[core] Fix Windows-flaky unit tests (forward-port of #2358)

[VaguelySerious]

Summary

Forward-port of the unit-test fixes from #2358 (stable). Only the first commit applies — main already has equivalents of the other two (cache-pnpm: 'false' on the matrix jobs, and community worlds disabled via if: false).

Both tests dominate Unit Tests (windows-latest) flakes on main (each also failed on the #2355/#2356 PR runs and recent main pushes):

• does not ack while the step-dispatch send is still in flight: vi.waitFor used its default 1s timeout, but the awaited sentinel sits behind a full VM workflow replay — regularly slower than 1s on 2-vCPU Windows runners (expected [] to include 'queue_dispatch_start'). Raised to 15s.
• should repeatedly replay a recorded step branch without looking ahead through Date: 200 batched VM replays (~7 CPU-seconds) starve past the 60s default timeout when competing with parallel vitest workers. Explicit 180s timeout.

Deadline raises only — replay counts and assertions unchanged. The workflow.test.ts diff is mostly indentation from switching the test to the options signature. Both files pass fully locally (86/86).

On stable, #2358's first CI run had Unit Tests (windows-latest) green with these fixes.

🤖 Generated with Claude Code

[changeset-bot]

🦋 Changeset detected

Latest commit: bca08d5

The changes in this PR will be included in the next version bump.

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Project	Deployment	Actions	Updated (UTC)
example-nextjs-workflow-turbopack	Ready	Preview, Comment	Jun 11, 2026 12:16pm
example-nextjs-workflow-webpack	Ready	Preview, Comment	Jun 11, 2026 12:16pm
example-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-astro-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-express-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-fastify-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-hono-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-nitro-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-nuxt-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-sveltekit-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-tanstack-start-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-vite-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workflow-docs	Ready	Preview, Comment, Open in v0	Jun 11, 2026 12:16pm
workflow-swc-playground	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workflow-tarballs	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workflow-web	Ready	Preview, Comment	Jun 11, 2026 12:16pm

[github-actions]

🧪 E2E Test Results

✅ All tests passed

Summary

	Passed	Failed	Skipped	Total
✅ ▲ Vercel Production	1266	0	219	1485
✅ 💻 Local Development	1671	0	219	1890
✅ 📦 Local Production	1671	0	219	1890
✅ 🐘 Local Postgres	1671	0	219	1890
✅ 🪟 Windows	135	0	0	135
✅ 📋 Other	769	0	176	945
Total	7183	0	1052	8235

Details by Category

✅ ▲ Vercel Production

App	Passed	Failed	Skipped
✅ astro	109	0	26
✅ example	109	0	26
✅ express	109	0	26
✅ fastify	109	0	26
✅ hono	109	0	26
✅ nextjs-turbopack	133	0	2
✅ nextjs-webpack	133	0	2
✅ nitro	109	0	26
✅ nuxt	109	0	26
✅ sveltekit	128	0	7
✅ vite	109	0	26

✅ 💻 Local Development

App	Passed	Failed	Skipped
✅ astro-stable	110	0	25
✅ express-stable	110	0	25
✅ fastify-stable	110	0	25
✅ hono-stable	110	0	25
✅ nextjs-turbopack-canary	116	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	135	0	0
✅ nextjs-webpack-canary	116	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	135	0	0
✅ nitro-stable	110	0	25
✅ nuxt-stable	110	0	25
✅ sveltekit-stable	129	0	6
✅ vite-stable	110	0	25

✅ 📦 Local Production

App	Passed	Failed	Skipped
✅ astro-stable	110	0	25
✅ express-stable	110	0	25
✅ fastify-stable	110	0	25
✅ hono-stable	110	0	25
✅ nextjs-turbopack-canary	116	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	135	0	0
✅ nextjs-webpack-canary	116	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	135	0	0
✅ nitro-stable	110	0	25
✅ nuxt-stable	110	0	25
✅ sveltekit-stable	129	0	6
✅ vite-stable	110	0	25

✅ 🐘 Local Postgres

App	Passed	Failed	Skipped
✅ astro-stable	110	0	25
✅ express-stable	110	0	25
✅ fastify-stable	110	0	25
✅ hono-stable	110	0	25
✅ nextjs-turbopack-canary	116	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	135	0	0
✅ nextjs-webpack-canary	116	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	135	0	0
✅ nitro-stable	110	0	25
✅ nuxt-stable	110	0	25
✅ sveltekit-stable	129	0	6
✅ vite-stable	110	0	25

✅ 🪟 Windows

App	Passed	Failed	Skipped
✅ nextjs-turbopack	135	0	0

✅ 📋 Other

App	Passed	Failed	Skipped
✅ e2e-local-dev-nest-stable	110	0	25
✅ e2e-local-dev-tanstack-start-	110	0	25
✅ e2e-local-postgres-nest-stable	110	0	25
✅ e2e-local-postgres-tanstack-start-	110	0	25
✅ e2e-local-prod-nest-stable	110	0	25
✅ e2e-local-prod-tanstack-start-	110	0	25
✅ e2e-vercel-prod-tanstack-start	109	0	26

---

📋 View full workflow run

[github-actions]

📊 Benchmark Results

📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.

workflow with no steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	0.041s (-4.4%)	1.006s (~)	0.965s	10	1.00x
💻 Local	Express	0.042s (-2.5%)	1.007s (~)	0.965s	10	1.03x
🐘 Postgres	Express	0.063s (-5.1% 🟢)	1.014s (~)	0.951s	10	1.54x
💻 Local	Next.js (Turbopack)	0.063s (+14.9% 🔺)	1.007s (~)	0.943s	10	1.55x
🐘 Postgres	Next.js (Turbopack)	0.068s (-2.3%)	1.012s (~)	0.944s	10	1.67x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	0.318s (+21.5% 🔺)	2.140s (-12.1% 🟢)	1.823s	10	1.00x
▲ Vercel	Next.js (Turbopack)	0.326s (-1.0%)	2.119s (-9.5% 🟢)	1.792s	10	1.03x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 1 step

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	1.091s (~)	2.006s (~)	0.916s	10	1.00x
💻 Local	Express	1.094s (-0.7%)	2.007s (~)	0.913s	10	1.00x
🐘 Postgres	Express	1.107s (+1.4%)	2.010s (~)	0.903s	10	1.02x
💻 Local	Next.js (Turbopack)	1.131s (+2.0%)	2.006s (~)	0.876s	10	1.04x
🐘 Postgres	Next.js (Turbopack)	1.145s (~)	2.010s (~)	0.865s	10	1.05x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	1.734s (+10.7% 🔺)	3.486s (-1.2%)	1.752s	10	1.00x
▲ Vercel	Next.js (Turbopack)	1.745s (+4.8%)	3.321s (-18.6% 🟢)	1.576s	10	1.01x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 10 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	10.506s (~)	11.023s (~)	0.517s	3	1.00x
🐘 Postgres	Express	10.517s (-1.9%)	11.018s (-2.9%)	0.502s	3	1.00x
💻 Local	Express	10.564s (~)	11.024s (~)	0.460s	3	1.01x
💻 Local	Next.js (Turbopack)	10.754s (+1.4%)	11.022s (~)	0.268s	3	1.02x
🐘 Postgres	Next.js (Turbopack)	10.849s (~)	11.020s (~)	0.171s	3	1.03x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	13.458s (~)	14.617s (-9.2% 🟢)	1.160s	3	1.00x
▲ Vercel	Nitro	13.806s (+3.6%)	15.168s (-2.7%)	1.363s	2	1.03x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

workflow with 25 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	13.715s (-0.9%)	14.017s (-1.5%)	0.303s	5	1.00x
💻 Local	Nitro	13.741s (~)	14.028s (~)	0.287s	5	1.00x
💻 Local	Express	13.813s (-0.7%)	14.026s (-1.4%)	0.214s	5	1.01x
💻 Local	Next.js (Turbopack)	14.290s (+1.9%)	15.029s (+2.7%)	0.739s	4	1.04x
🐘 Postgres	Next.js (Turbopack)	14.431s (-1.1%)	15.021s (~)	0.590s	4	1.05x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	22.099s (-13.4% 🟢)	23.624s (-14.4% 🟢)	1.525s	3	1.00x
▲ Vercel	Next.js (Turbopack)	22.314s (-12.5% 🟢)	23.762s (-12.7% 🟢)	1.448s	3	1.01x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 50 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	12.452s (-1.2%)	13.025s (~)	0.573s	7	1.00x
💻 Local	Nitro	12.508s (+0.8%)	13.025s (~)	0.517s	7	1.00x
🐘 Postgres	Express	12.648s (-0.7%)	13.162s (-1.1%)	0.514s	7	1.02x
💻 Local	Next.js (Turbopack)	13.642s (+5.4% 🔺)	14.026s (+5.4% 🔺)	0.384s	7	1.10x
🐘 Postgres	Next.js (Turbopack)	14.121s (+2.6%)	14.595s (+4.1%)	0.474s	7	1.13x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	32.686s (+10.4% 🔺)	34.883s (+9.5% 🔺)	2.197s	3	1.00x
▲ Vercel	Nitro	32.710s (+12.6% 🔺)	35.283s (+12.4% 🔺)	2.573s	3	1.00x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

Promise.all with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.183s (-1.4%)	2.008s (-0.7%)	0.825s	15	1.00x
💻 Local	Nitro	1.189s (-2.0%)	2.006s (~)	0.818s	15	1.00x
💻 Local	Express	1.199s (-5.1% 🟢)	2.006s (~)	0.807s	15	1.01x
🐘 Postgres	Next.js (Turbopack)	1.268s (+1.4%)	2.007s (~)	0.739s	15	1.07x
💻 Local	Next.js (Turbopack)	1.327s (+8.5% 🔺)	2.006s (~)	0.679s	15	1.12x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.644s (-1.6%)	4.276s (+1.4%)	1.632s	8	1.00x
▲ Vercel	Nitro	2.755s (-0.6%)	4.215s (-2.9%)	1.460s	8	1.04x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

Promise.all with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.262s (-4.9%)	2.007s (~)	0.745s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.406s (~)	2.009s (~)	0.603s	15	1.11x
💻 Local	Express	1.705s (-9.4% 🟢)	2.006s (-9.7% 🟢)	0.302s	15	1.35x
💻 Local	Nitro	1.722s (+1.0%)	2.006s (-3.2%)	0.285s	15	1.36x
💻 Local	Next.js (Turbopack)	1.814s (+5.1% 🔺)	2.007s (~)	0.194s	15	1.44x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	3.941s (-4.0%)	5.515s (-10.2% 🟢)	1.574s	6	1.00x
▲ Vercel	Nitro	4.589s (+12.8% 🔺)	6.115s (-1.5%)	1.526s	5	1.16x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.409s (+1.1%)	2.008s (~)	0.600s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.814s (+3.1%)	2.511s (+9.4% 🔺)	0.697s	12	1.29x
💻 Local	Express	4.621s (-12.8% 🟢)	5.011s (-16.7% 🟢)	0.391s	6	3.28x
💻 Local	Nitro	4.792s (+1.6%)	5.344s (+6.7% 🔺)	0.553s	6	3.40x
💻 Local	Next.js (Turbopack)	5.441s (+23.8% 🔺)	6.015s (+20.0% 🔺)	0.573s	6	3.86x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.003s (-10.9% 🟢)	7.687s (-11.7% 🟢)	1.684s	5	1.00x
▲ Vercel	Next.js (Turbopack)	6.574s (+11.9% 🔺)	8.342s (+7.3% 🔺)	1.769s	4	1.09x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

Promise.race with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.199s (~)	2.009s (~)	0.810s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.236s (-2.4%)	2.008s (~)	0.773s	15	1.03x
💻 Local	Next.js (Turbopack)	1.372s (+5.1% 🔺)	2.006s (~)	0.634s	15	1.14x
💻 Local	Nitro	1.506s (-2.4%)	2.007s (~)	0.501s	15	1.26x
💻 Local	Express	1.532s (-7.5% 🟢)	2.006s (-3.3%)	0.474s	15	1.28x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.787s (-36.3% 🟢)	4.231s (-32.8% 🟢)	1.444s	8	1.00x
▲ Vercel	Nitro	3.087s (+15.5% 🔺)	4.692s (+8.3% 🔺)	1.606s	7	1.11x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

Promise.race with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.274s (+2.5%)	2.008s (~)	0.734s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.379s (-1.3%)	2.008s (~)	0.629s	15	1.08x
💻 Local	Nitro	1.998s (+13.7% 🔺)	2.393s (+15.5% 🔺)	0.395s	13	1.57x
💻 Local	Next.js (Turbopack)	2.020s (~)	2.735s (+9.1% 🔺)	0.715s	11	1.59x
💻 Local	Express	2.087s (-1.8%)	2.676s (+3.3%)	0.588s	12	1.64x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	3.582s (-12.5% 🟢)	5.073s (-15.5% 🟢)	1.491s	6	1.00x
▲ Vercel	Next.js (Turbopack)	5.023s (+11.1% 🔺)	6.737s (+9.2% 🔺)	1.714s	5	1.40x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

Promise.race with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.379s (-8.1% 🟢)	2.007s (-16.3% 🟢)	0.628s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.709s (+3.2%)	2.075s (~)	0.366s	15	1.24x
💻 Local	Nitro	5.100s (+7.5% 🔺)	5.513s (+3.2%)	0.413s	6	3.70x
💻 Local	Express	5.188s (-11.5% 🟢)	5.682s (-8.5% 🟢)	0.495s	6	3.76x
💻 Local	Next.js (Turbopack)	5.780s (+12.0% 🔺)	6.216s (+3.3%)	0.435s	5	4.19x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.705s (+15.7% 🔺)	7.433s (+10.3% 🔺)	1.728s	5	1.00x
▲ Vercel	Next.js (Turbopack)	5.992s (+3.5%)	8.177s (+7.9% 🔺)	2.186s	4	1.05x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.563s (-15.5% 🟢)	1.007s (-3.9%)	0.443s	60	1.00x
💻 Local	Express	0.584s (-10.9% 🟢)	1.005s (-3.3%)	0.420s	60	1.04x
💻 Local	Nitro	0.587s (-27.0% 🟢)	1.005s (-16.6% 🟢)	0.417s	60	1.04x
🐘 Postgres	Next.js (Turbopack)	0.814s (~)	1.007s (~)	0.193s	60	1.45x
💻 Local	Next.js (Turbopack)	0.848s (+21.8% 🔺)	1.004s (~)	0.157s	60	1.50x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.102s (-18.2% 🟢)	7.526s (-20.9% 🟢)	1.424s	8	1.00x
▲ Vercel	Next.js (Turbopack)	6.238s (+23.6% 🔺)	7.557s (+10.3% 🔺)	1.319s	8	1.02x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.314s (-14.5% 🟢)	2.008s (-6.7% 🟢)	0.693s	45	1.00x
💻 Local	Nitro	1.523s (+4.0%)	2.007s (~)	0.484s	45	1.16x
💻 Local	Express	1.544s (-3.0%)	2.006s (-1.1%)	0.463s	45	1.17x
🐘 Postgres	Next.js (Turbopack)	1.995s (+2.7%)	2.441s (+12.3% 🔺)	0.446s	37	1.52x
💻 Local	Next.js (Turbopack)	2.042s (+18.2% 🔺)	2.883s (+42.2% 🔺)	0.840s	32	1.55x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	14.400s (-2.5%)	16.028s (-5.3% 🟢)	1.628s	6	1.00x
▲ Vercel	Nitro	14.653s (+10.9% 🔺)	16.443s (+6.2% 🔺)	1.789s	6	1.02x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	2.649s (-9.0% 🟢)	3.086s (-12.8% 🟢)	0.437s	39	1.00x
💻 Local	Nitro	3.276s (+2.2%)	4.010s (~)	0.733s	30	1.24x
💻 Local	Express	3.338s (-2.4%)	4.043s (+0.8%)	0.705s	30	1.26x
🐘 Postgres	Next.js (Turbopack)	3.991s (+3.4%)	4.403s (+8.0% 🔺)	0.413s	28	1.51x
💻 Local	Next.js (Turbopack)	4.297s (+15.3% 🔺)	5.010s (+21.9% 🔺)	0.713s	24	1.62x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	29.987s (+0.7%)	32.403s (+1.3%)	2.416s	4	1.00x
▲ Vercel	Next.js (Turbopack)	31.663s (+17.3% 🔺)	33.691s (+15.1% 🔺)	2.028s	4	1.06x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.206s (-18.3% 🟢)	1.006s (~)	0.800s	60	1.00x
🐘 Postgres	Next.js (Turbopack)	0.276s (-2.2%)	1.006s (~)	0.731s	60	1.34x
💻 Local	Express	0.449s (-3.4%)	1.005s (~)	0.556s	60	2.18x
💻 Local	Nitro	0.462s (+8.9% 🔺)	1.005s (~)	0.543s	60	2.25x
💻 Local	Next.js (Turbopack)	0.560s (-8.4% 🟢)	1.005s (-3.2%)	0.445s	60	2.72x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.627s (+12.0% 🔺)	4.025s (-7.1% 🟢)	1.398s	16	1.00x
▲ Vercel	Next.js (Turbopack)	2.770s (+25.9% 🔺)	4.301s (+1.9%)	1.531s	14	1.05x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.342s (+0.8%)	1.007s (~)	0.665s	90	1.00x
🐘 Postgres	Next.js (Turbopack)	0.490s (+1.6%)	1.006s (~)	0.516s	90	1.43x
💻 Local	Nitro	2.161s (+4.7%)	2.687s (+1.9%)	0.525s	34	6.33x
💻 Local	Express	2.222s (+1.4%)	2.822s (~)	0.599s	32	6.50x
💻 Local	Next.js (Turbopack)	2.377s (-3.0%)	3.043s (-2.1%)	0.665s	30	6.96x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.355s (-87.8% 🟢)	6.982s (-84.8% 🟢)	1.628s	14	1.00x
▲ Vercel	Next.js (Turbopack)	7.232s (+15.3% 🔺)	8.603s (+1.2%)	1.371s	11	1.35x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.669s (+6.9% 🔺)	1.007s (-4.6%)	0.337s	120	1.00x
🐘 Postgres	Next.js (Turbopack)	1.009s (+3.0%)	1.814s (+12.8% 🔺)	0.805s	67	1.51x
💻 Local	Express	9.571s (-7.2% 🟢)	10.118s (-6.9% 🟢)	0.547s	12	14.30x
💻 Local	Nitro	9.653s (+10.8% 🔺)	10.194s (+9.2% 🔺)	0.542s	12	14.43x
💻 Local	Next.js (Turbopack)	10.148s (-1.6%)	10.777s (-4.6%)	0.629s	12	15.17x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	16.389s (-94.7% 🟢)	18.299s (-94.2% 🟢)	1.909s	7	1.00x
▲ Vercel	Next.js (Turbopack)	17.034s (-89.4% 🟢)	18.767s (-88.4% 🟢)	1.734s	7	1.04x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

Stream Benchmarks(includes TTFB metrics)

workflow with stream

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.161s (-2.7%)	1.997s (~)	0.001s (-96.8% 🟢)	2.011s (-1.6%)	0.849s	10	1.00x
💻 Local	Nitro	1.163s (+1.1%)	2.005s (~)	0.011s (+6.0% 🔺)	2.018s (~)	0.855s	10	1.00x
💻 Local	Express	1.169s (~)	2.004s (~)	0.010s (-21.9% 🟢)	2.017s (~)	0.848s	10	1.01x
💻 Local	Next.js (Turbopack)	1.201s (+2.8%)	2.003s (~)	0.012s (+15.8% 🔺)	2.019s (~)	0.818s	10	1.03x
🐘 Postgres	Next.js (Turbopack)	1.244s (+0.8%)	2.002s (~)	0.001s (-26.7% 🟢)	2.011s (~)	0.768s	10	1.07x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.212s (-1.4%)	2.920s (-17.8% 🟢)	1.194s (-90.4% 🟢)	4.591s (-72.2% 🟢)	2.379s	10	1.00x
▲ Vercel	Nitro	2.564s (+18.4% 🔺)	3.597s (+5.3% 🔺)	0.796s (+54.3% 🔺)	4.799s (+7.4% 🔺)	2.234s	10	1.16x
▲ Vercel	Express	⚠️missing	-	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

stream pipeline with 5 transform steps (1MB)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.573s (-9.5% 🟢)	2.003s (-6.5% 🟢)	0.005s (+69.7% 🔺)	2.027s (-6.2% 🟢)	0.455s	30	1.00x
💻 Local	Express	1.574s (-3.8%)	2.011s (~)	0.013s (+13.3% 🔺)	2.026s (~)	0.453s	30	1.00x
💻 Local	Nitro	1.577s (-9.5% 🟢)	2.010s (~)	0.014s (+53.7% 🔺)	2.026s (-7.8% 🟢)	0.449s	30	1.00x
💻 Local	Next.js (Turbopack)	1.724s (+5.1% 🔺)	2.010s (~)	0.011s (+5.9% 🔺)	2.024s (~)	0.300s	30	1.10x
🐘 Postgres	Next.js (Turbopack)	1.796s (+1.8%)	2.010s (~)	0.005s (+36.4% 🔺)	2.029s (~)	0.233s	30	1.14x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.038s (+5.1% 🔺)	7.079s (-6.8% 🟢)	0.254s (-24.8% 🟢)	7.873s (-7.2% 🟢)	1.834s	8	1.00x
▲ Vercel	Next.js (Turbopack)	6.125s (-3.9%)	7.322s (-7.7% 🟢)	0.178s (-50.8% 🟢)	7.911s (-10.8% 🟢)	1.786s	8	1.01x
▲ Vercel	Express	⚠️missing	-	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

10 parallel streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.708s (-27.6% 🟢)	1.048s (-26.6% 🟢)	0.000s (+22.8% 🔺)	1.061s (-26.7% 🟢)	0.354s	57	1.00x
🐘 Postgres	Next.js (Turbopack)	0.835s (~)	1.091s (+1.8%)	0.000s (+1.8%)	1.102s (+2.1%)	0.267s	55	1.18x
💻 Local	Express	1.388s (-6.4% 🟢)	2.014s (~)	0.000s (-46.7% 🟢)	2.016s (~)	0.628s	30	1.96x
💻 Local	Next.js (Turbopack)	1.456s (+0.6%)	2.013s (~)	0.001s (+100.0% 🔺)	2.016s (~)	0.560s	30	2.06x
💻 Local	Nitro	1.464s (+8.2% 🔺)	2.015s (~)	0.000s (-33.3% 🟢)	2.017s (~)	0.554s	30	2.07x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	3.260s (-9.5% 🟢)	4.513s (-11.0% 🟢)	0.000s (+Infinity% 🔺)	4.919s (-12.6% 🟢)	1.659s	13	1.00x
▲ Vercel	Next.js (Turbopack)	3.558s (+7.5% 🔺)	4.670s (-4.6%)	0.000s (+Infinity% 🔺)	5.106s (-6.5% 🟢)	1.548s	12	1.09x
▲ Vercel	Express	⚠️missing	-	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

fan-out fan-in 10 streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.415s (-12.4% 🟢)	2.139s (-5.1% 🟢)	0.000s (+Infinity% 🔺)	2.153s (-5.6% 🟢)	0.738s	28	1.00x
🐘 Postgres	Next.js (Turbopack)	1.816s (+5.1% 🔺)	2.349s (+3.9%)	0.000s (+Infinity% 🔺)	2.357s (+3.9%)	0.541s	26	1.28x
💻 Local	Next.js (Turbopack)	2.717s (-15.4% 🟢)	3.359s (-13.8% 🟢)	0.001s (+237.8% 🔺)	3.363s (-13.8% 🟢)	0.645s	18	1.92x
💻 Local	Express	3.096s (-7.1% 🟢)	3.903s (+1.7%)	0.001s (+33.3% 🔺)	3.905s (+1.6%)	0.809s	16	2.19x
💻 Local	Nitro	3.198s (+2.6%)	3.903s (~)	0.001s (+125.0% 🔺)	3.907s (~)	0.709s	16	2.26x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.089s (-27.7% 🟢)	6.217s (-27.5% 🟢)	0.000s (NaN%)	6.747s (-25.8% 🟢)	1.658s	9	1.00x
▲ Vercel	Next.js (Turbopack)	5.460s (+5.7% 🔺)	6.739s (+0.9%)	0.000s (-100.0% 🟢)	7.163s (-0.6%)	1.702s	9	1.07x
▲ Vercel	Express	⚠️missing	-	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World	🥇 Fastest Framework	Wins
💻 Local	Nitro	11/21
🐘 Postgres	Express	21/21
▲ Vercel	Nitro	14/21

Fastest World by Framework

Winner determined by most benchmark wins

Framework	🥇 Fastest World	Wins
Express	🐘 Postgres	18/21
Next.js (Turbopack)	🐘 Postgres	14/21
Nitro	💻 Local	21/21

Column Definitions

• Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
• TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
• Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
• Wall Time: Total testbench time (trigger workflow + poll for result)
• Overhead: Testbench overhead (Wall Time - Workflow Time)
• Samples: Number of benchmark iterations run
• vs Fastest: How much slower compared to the fastest configuration for this benchmark

Worlds:

• 💻 Local: In-memory filesystem world (local development)
• 🐘 Postgres: PostgreSQL database world (local development)
• ▲ Vercel: Vercel production/preview deployment
• 🌐 Turso: Community world (local development)
• 🌐 MongoDB: Community world (local development)
• 🌐 Redis: Community world (local development)
• 🌐 Jazz: Community world (local development)
• 🌐 Redis: Community world (local development)
• 🌐 Redis + BullMQ: Community world (local development)
• 🌐 Cloudflare: Community world (local development)
• 🌐 MySQL: Community world (local development)
• 🌐 Azure: Community world (local development)
• 🌐 NATS JetStream: Community world (local development)
• 🌐 Upstash: Community world (local development)

---

📋 View full workflow run

---

❌ Some benchmark jobs failed:

• Local: success
• Postgres: failure
• Vercel: failure

Check the workflow run for details.

[github-actions]

No backport to stable for 884bd8d (AI decision).

This commit is explicitly a forward-port of #2358 (which already landed on stable) to main. Backporting would be redundant since stable already has these test timeout fixes.

To override, re-run the Backport to stable workflow manually via workflow_dispatch and paste this commit SHA into the ref input:

884bd8db76746ae0482ad5870837177bb21fd3f7

[VaguelySerious]

Summary

Forward-port of the unit-test fixes from #2358 (stable). Only the first commit applies — main already has equivalents of the other two (cache-pnpm: 'false' on the matrix jobs, and community worlds disabled via if: false).

Both tests dominate Unit Tests (windows-latest) flakes on main (each also failed on the #2355/#2356 PR runs and recent main pushes):

• does not ack while the step-dispatch send is still in flight: vi.waitFor used its default 1s timeout, but the awaited sentinel sits behind a full VM workflow replay — regularly slower than 1s on 2-vCPU Windows runners (expected [] to include 'queue_dispatch_start'). Raised to 15s.
• should repeatedly replay a recorded step branch without looking ahead through Date: 200 batched VM replays (~7 CPU-seconds) starve past the 60s default timeout when competing with parallel vitest workers. Explicit 180s timeout.

Deadline raises only — replay counts and assertions unchanged. The workflow.test.ts diff is mostly indentation from switching the test to the options signature. Both files pass fully locally (86/86).

On stable, #2358's first CI run had Unit Tests (windows-latest) green with these fixes.

🤖 Generated with Claude Code

[changeset-bot]

🦋 Changeset detected

Latest commit: bca08d5

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 0 packages

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
example-nextjs-workflow-turbopack	Ready	Preview, Comment	Jun 11, 2026 12:16pm
example-nextjs-workflow-webpack	Ready	Preview, Comment	Jun 11, 2026 12:16pm
example-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-astro-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-express-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-fastify-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-hono-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-nitro-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-nuxt-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-sveltekit-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-tanstack-start-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-vite-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workflow-docs	Ready	Preview, Comment, Open in v0	Jun 11, 2026 12:16pm
workflow-swc-playground	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workflow-tarballs	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workflow-web	Ready	Preview, Comment	Jun 11, 2026 12:16pm

[github-actions]

🧪 E2E Test Results

✅ All tests passed

Summary

	Passed	Failed	Skipped	Total
✅ ▲ Vercel Production	1266	0	219	1485
✅ 💻 Local Development	1671	0	219	1890
✅ 📦 Local Production	1671	0	219	1890
✅ 🐘 Local Postgres	1671	0	219	1890
✅ 🪟 Windows	135	0	0	135
✅ 📋 Other	769	0	176	945
Total	7183	0	1052	8235

Details by Category

✅ ▲ Vercel Production

App	Passed	Failed	Skipped
✅ astro	109	0	26
✅ example	109	0	26
✅ express	109	0	26
✅ fastify	109	0	26
✅ hono	109	0	26
✅ nextjs-turbopack	133	0	2
✅ nextjs-webpack	133	0	2
✅ nitro	109	0	26
✅ nuxt	109	0	26
✅ sveltekit	128	0	7
✅ vite	109	0	26

✅ 💻 Local Development

App	Passed	Failed	Skipped
✅ astro-stable	110	0	25
✅ express-stable	110	0	25
✅ fastify-stable	110	0	25
✅ hono-stable	110	0	25
✅ nextjs-turbopack-canary	116	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	135	0	0
✅ nextjs-webpack-canary	116	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	135	0	0
✅ nitro-stable	110	0	25
✅ nuxt-stable	110	0	25
✅ sveltekit-stable	129	0	6
✅ vite-stable	110	0	25

✅ 📦 Local Production

App	Passed	Failed	Skipped
✅ astro-stable	110	0	25
✅ express-stable	110	0	25
✅ fastify-stable	110	0	25
✅ hono-stable	110	0	25
✅ nextjs-turbopack-canary	116	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	135	0	0
✅ nextjs-webpack-canary	116	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	135	0	0
✅ nitro-stable	110	0	25
✅ nuxt-stable	110	0	25
✅ sveltekit-stable	129	0	6
✅ vite-stable	110	0	25

✅ 🐘 Local Postgres

App	Passed	Failed	Skipped
✅ astro-stable	110	0	25
✅ express-stable	110	0	25
✅ fastify-stable	110	0	25
✅ hono-stable	110	0	25
✅ nextjs-turbopack-canary	116	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	135	0	0
✅ nextjs-webpack-canary	116	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	135	0	0
✅ nitro-stable	110	0	25
✅ nuxt-stable	110	0	25
✅ sveltekit-stable	129	0	6
✅ vite-stable	110	0	25

✅ 🪟 Windows

App	Passed	Failed	Skipped
✅ nextjs-turbopack	135	0	0

✅ 📋 Other

App	Passed	Failed	Skipped
✅ e2e-local-dev-nest-stable	110	0	25
✅ e2e-local-dev-tanstack-start-	110	0	25
✅ e2e-local-postgres-nest-stable	110	0	25
✅ e2e-local-postgres-tanstack-start-	110	0	25
✅ e2e-local-prod-nest-stable	110	0	25
✅ e2e-local-prod-tanstack-start-	110	0	25
✅ e2e-vercel-prod-tanstack-start	109	0	26

---

📋 View full workflow run

[github-actions]

📊 Benchmark Results

📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.

workflow with no steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	0.041s (-4.4%)	1.006s (~)	0.965s	10	1.00x
💻 Local	Express	0.042s (-2.5%)	1.007s (~)	0.965s	10	1.03x
🐘 Postgres	Express	0.063s (-5.1% 🟢)	1.014s (~)	0.951s	10	1.54x
💻 Local	Next.js (Turbopack)	0.063s (+14.9% 🔺)	1.007s (~)	0.943s	10	1.55x
🐘 Postgres	Next.js (Turbopack)	0.068s (-2.3%)	1.012s (~)	0.944s	10	1.67x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	0.318s (+21.5% 🔺)	2.140s (-12.1% 🟢)	1.823s	10	1.00x
▲ Vercel	Next.js (Turbopack)	0.326s (-1.0%)	2.119s (-9.5% 🟢)	1.792s	10	1.03x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 1 step

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	1.091s (~)	2.006s (~)	0.916s	10	1.00x
💻 Local	Express	1.094s (-0.7%)	2.007s (~)	0.913s	10	1.00x
🐘 Postgres	Express	1.107s (+1.4%)	2.010s (~)	0.903s	10	1.02x
💻 Local	Next.js (Turbopack)	1.131s (+2.0%)	2.006s (~)	0.876s	10	1.04x
🐘 Postgres	Next.js (Turbopack)	1.145s (~)	2.010s (~)	0.865s	10	1.05x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	1.734s (+10.7% 🔺)	3.486s (-1.2%)	1.752s	10	1.00x
▲ Vercel	Next.js (Turbopack)	1.745s (+4.8%)	3.321s (-18.6% 🟢)	1.576s	10	1.01x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 10 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	10.506s (~)	11.023s (~)	0.517s	3	1.00x
🐘 Postgres	Express	10.517s (-1.9%)	11.018s (-2.9%)	0.502s	3	1.00x
💻 Local	Express	10.564s (~)	11.024s (~)	0.460s	3	1.01x
💻 Local	Next.js (Turbopack)	10.754s (+1.4%)	11.022s (~)	0.268s	3	1.02x
🐘 Postgres	Next.js (Turbopack)	10.849s (~)	11.020s (~)	0.171s	3	1.03x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	13.458s (~)	14.617s (-9.2% 🟢)	1.160s	3	1.00x
▲ Vercel	Nitro	13.806s (+3.6%)	15.168s (-2.7%)	1.363s	2	1.03x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

workflow with 25 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	13.715s (-0.9%)	14.017s (-1.5%)	0.303s	5	1.00x
💻 Local	Nitro	13.741s (~)	14.028s (~)	0.287s	5	1.00x
💻 Local	Express	13.813s (-0.7%)	14.026s (-1.4%)	0.214s	5	1.01x
💻 Local	Next.js (Turbopack)	14.290s (+1.9%)	15.029s (+2.7%)	0.739s	4	1.04x
🐘 Postgres	Next.js (Turbopack)	14.431s (-1.1%)	15.021s (~)	0.590s	4	1.05x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	22.099s (-13.4% 🟢)	23.624s (-14.4% 🟢)	1.525s	3	1.00x
▲ Vercel	Next.js (Turbopack)	22.314s (-12.5% 🟢)	23.762s (-12.7% 🟢)	1.448s	3	1.01x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 50 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	12.452s (-1.2%)	13.025s (~)	0.573s	7	1.00x
💻 Local	Nitro	12.508s (+0.8%)	13.025s (~)	0.517s	7	1.00x
🐘 Postgres	Express	12.648s (-0.7%)	13.162s (-1.1%)	0.514s	7	1.02x
💻 Local	Next.js (Turbopack)	13.642s (+5.4% 🔺)	14.026s (+5.4% 🔺)	0.384s	7	1.10x
🐘 Postgres	Next.js (Turbopack)	14.121s (+2.6%)	14.595s (+4.1%)	0.474s	7	1.13x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	32.686s (+10.4% 🔺)	34.883s (+9.5% 🔺)	2.197s	3	1.00x
▲ Vercel	Nitro	32.710s (+12.6% 🔺)	35.283s (+12.4% 🔺)	2.573s	3	1.00x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

Promise.all with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.183s (-1.4%)	2.008s (-0.7%)	0.825s	15	1.00x
💻 Local	Nitro	1.189s (-2.0%)	2.006s (~)	0.818s	15	1.00x
💻 Local	Express	1.199s (-5.1% 🟢)	2.006s (~)	0.807s	15	1.01x
🐘 Postgres	Next.js (Turbopack)	1.268s (+1.4%)	2.007s (~)	0.739s	15	1.07x
💻 Local	Next.js (Turbopack)	1.327s (+8.5% 🔺)	2.006s (~)	0.679s	15	1.12x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.644s (-1.6%)	4.276s (+1.4%)	1.632s	8	1.00x
▲ Vercel	Nitro	2.755s (-0.6%)	4.215s (-2.9%)	1.460s	8	1.04x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

Promise.all with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.262s (-4.9%)	2.007s (~)	0.745s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.406s (~)	2.009s (~)	0.603s	15	1.11x
💻 Local	Express	1.705s (-9.4% 🟢)	2.006s (-9.7% 🟢)	0.302s	15	1.35x
💻 Local	Nitro	1.722s (+1.0%)	2.006s (-3.2%)	0.285s	15	1.36x
💻 Local	Next.js (Turbopack)	1.814s (+5.1% 🔺)	2.007s (~)	0.194s	15	1.44x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	3.941s (-4.0%)	5.515s (-10.2% 🟢)	1.574s	6	1.00x
▲ Vercel	Nitro	4.589s (+12.8% 🔺)	6.115s (-1.5%)	1.526s	5	1.16x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.409s (+1.1%)	2.008s (~)	0.600s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.814s (+3.1%)	2.511s (+9.4% 🔺)	0.697s	12	1.29x
💻 Local	Express	4.621s (-12.8% 🟢)	5.011s (-16.7% 🟢)	0.391s	6	3.28x
💻 Local	Nitro	4.792s (+1.6%)	5.344s (+6.7% 🔺)	0.553s	6	3.40x
💻 Local	Next.js (Turbopack)	5.441s (+23.8% 🔺)	6.015s (+20.0% 🔺)	0.573s	6	3.86x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.003s (-10.9% 🟢)	7.687s (-11.7% 🟢)	1.684s	5	1.00x
▲ Vercel	Next.js (Turbopack)	6.574s (+11.9% 🔺)	8.342s (+7.3% 🔺)	1.769s	4	1.09x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

Promise.race with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.199s (~)	2.009s (~)	0.810s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.236s (-2.4%)	2.008s (~)	0.773s	15	1.03x
💻 Local	Next.js (Turbopack)	1.372s (+5.1% 🔺)	2.006s (~)	0.634s	15	1.14x
💻 Local	Nitro	1.506s (-2.4%)	2.007s (~)	0.501s	15	1.26x
💻 Local	Express	1.532s (-7.5% 🟢)	2.006s (-3.3%)	0.474s	15	1.28x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.787s (-36.3% 🟢)	4.231s (-32.8% 🟢)	1.444s	8	1.00x
▲ Vercel	Nitro	3.087s (+15.5% 🔺)	4.692s (+8.3% 🔺)	1.606s	7	1.11x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

Promise.race with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.274s (+2.5%)	2.008s (~)	0.734s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.379s (-1.3%)	2.008s (~)	0.629s	15	1.08x
💻 Local	Nitro	1.998s (+13.7% 🔺)	2.393s (+15.5% 🔺)	0.395s	13	1.57x
💻 Local	Next.js (Turbopack)	2.020s (~)	2.735s (+9.1% 🔺)	0.715s	11	1.59x
💻 Local	Express	2.087s (-1.8%)	2.676s (+3.3%)	0.588s	12	1.64x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	3.582s (-12.5% 🟢)	5.073s (-15.5% 🟢)	1.491s	6	1.00x
▲ Vercel	Next.js (Turbopack)	5.023s (+11.1% 🔺)	6.737s (+9.2% 🔺)	1.714s	5	1.40x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

Promise.race with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.379s (-8.1% 🟢)	2.007s (-16.3% 🟢)	0.628s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.709s (+3.2%)	2.075s (~)	0.366s	15	1.24x
💻 Local	Nitro	5.100s (+7.5% 🔺)	5.513s (+3.2%)	0.413s	6	3.70x
💻 Local	Express	5.188s (-11.5% 🟢)	5.682s (-8.5% 🟢)	0.495s	6	3.76x
💻 Local	Next.js (Turbopack)	5.780s (+12.0% 🔺)	6.216s (+3.3%)	0.435s	5	4.19x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.705s (+15.7% 🔺)	7.433s (+10.3% 🔺)	1.728s	5	1.00x
▲ Vercel	Next.js (Turbopack)	5.992s (+3.5%)	8.177s (+7.9% 🔺)	2.186s	4	1.05x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.563s (-15.5% 🟢)	1.007s (-3.9%)	0.443s	60	1.00x
💻 Local	Express	0.584s (-10.9% 🟢)	1.005s (-3.3%)	0.420s	60	1.04x
💻 Local	Nitro	0.587s (-27.0% 🟢)	1.005s (-16.6% 🟢)	0.417s	60	1.04x
🐘 Postgres	Next.js (Turbopack)	0.814s (~)	1.007s (~)	0.193s	60	1.45x
💻 Local	Next.js (Turbopack)	0.848s (+21.8% 🔺)	1.004s (~)	0.157s	60	1.50x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.102s (-18.2% 🟢)	7.526s (-20.9% 🟢)	1.424s	8	1.00x
▲ Vercel	Next.js (Turbopack)	6.238s (+23.6% 🔺)	7.557s (+10.3% 🔺)	1.319s	8	1.02x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.314s (-14.5% 🟢)	2.008s (-6.7% 🟢)	0.693s	45	1.00x
💻 Local	Nitro	1.523s (+4.0%)	2.007s (~)	0.484s	45	1.16x
💻 Local	Express	1.544s (-3.0%)	2.006s (-1.1%)	0.463s	45	1.17x
🐘 Postgres	Next.js (Turbopack)	1.995s (+2.7%)	2.441s (+12.3% 🔺)	0.446s	37	1.52x
💻 Local	Next.js (Turbopack)	2.042s (+18.2% 🔺)	2.883s (+42.2% 🔺)	0.840s	32	1.55x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	14.400s (-2.5%)	16.028s (-5.3% 🟢)	1.628s	6	1.00x
▲ Vercel	Nitro	14.653s (+10.9% 🔺)	16.443s (+6.2% 🔺)	1.789s	6	1.02x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	2.649s (-9.0% 🟢)	3.086s (-12.8% 🟢)	0.437s	39	1.00x
💻 Local	Nitro	3.276s (+2.2%)	4.010s (~)	0.733s	30	1.24x
💻 Local	Express	3.338s (-2.4%)	4.043s (+0.8%)	0.705s	30	1.26x
🐘 Postgres	Next.js (Turbopack)	3.991s (+3.4%)	4.403s (+8.0% 🔺)	0.413s	28	1.51x
💻 Local	Next.js (Turbopack)	4.297s (+15.3% 🔺)	5.010s (+21.9% 🔺)	0.713s	24	1.62x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	29.987s (+0.7%)	32.403s (+1.3%)	2.416s	4	1.00x
▲ Vercel	Next.js (Turbopack)	31.663s (+17.3% 🔺)	33.691s (+15.1% 🔺)	2.028s	4	1.06x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.206s (-18.3% 🟢)	1.006s (~)	0.800s	60	1.00x
🐘 Postgres	Next.js (Turbopack)	0.276s (-2.2%)	1.006s (~)	0.731s	60	1.34x
💻 Local	Express	0.449s (-3.4%)	1.005s (~)	0.556s	60	2.18x
💻 Local	Nitro	0.462s (+8.9% 🔺)	1.005s (~)	0.543s	60	2.25x
💻 Local	Next.js (Turbopack)	0.560s (-8.4% 🟢)	1.005s (-3.2%)	0.445s	60	2.72x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.627s (+12.0% 🔺)	4.025s (-7.1% 🟢)	1.398s	16	1.00x
▲ Vercel	Next.js (Turbopack)	2.770s (+25.9% 🔺)	4.301s (+1.9%)	1.531s	14	1.05x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.342s (+0.8%)	1.007s (~)	0.665s	90	1.00x
🐘 Postgres	Next.js (Turbopack)	0.490s (+1.6%)	1.006s (~)	0.516s	90	1.43x
💻 Local	Nitro	2.161s (+4.7%)	2.687s (+1.9%)	0.525s	34	6.33x
💻 Local	Express	2.222s (+1.4%)	2.822s (~)	0.599s	32	6.50x
💻 Local	Next.js (Turbopack)	2.377s (-3.0%)	3.043s (-2.1%)	0.665s	30	6.96x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.355s (-87.8% 🟢)	6.982s (-84.8% 🟢)	1.628s	14	1.00x
▲ Vercel	Next.js (Turbopack)	7.232s (+15.3% 🔺)	8.603s (+1.2%)	1.371s	11	1.35x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.669s (+6.9% 🔺)	1.007s (-4.6%)	0.337s	120	1.00x
🐘 Postgres	Next.js (Turbopack)	1.009s (+3.0%)	1.814s (+12.8% 🔺)	0.805s	67	1.51x
💻 Local	Express	9.571s (-7.2% 🟢)	10.118s (-6.9% 🟢)	0.547s	12	14.30x
💻 Local	Nitro	9.653s (+10.8% 🔺)	10.194s (+9.2% 🔺)	0.542s	12	14.43x
💻 Local	Next.js (Turbopack)	10.148s (-1.6%)	10.777s (-4.6%)	0.629s	12	15.17x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	16.389s (-94.7% 🟢)	18.299s (-94.2% 🟢)	1.909s	7	1.00x
▲ Vercel	Next.js (Turbopack)	17.034s (-89.4% 🟢)	18.767s (-88.4% 🟢)	1.734s	7	1.04x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

Stream Benchmarks(includes TTFB metrics)

workflow with stream

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.161s (-2.7%)	1.997s (~)	0.001s (-96.8% 🟢)	2.011s (-1.6%)	0.849s	10	1.00x
💻 Local	Nitro	1.163s (+1.1%)	2.005s (~)	0.011s (+6.0% 🔺)	2.018s (~)	0.855s	10	1.00x
💻 Local	Express	1.169s (~)	2.004s (~)	0.010s (-21.9% 🟢)	2.017s (~)	0.848s	10	1.01x
💻 Local	Next.js (Turbopack)	1.201s (+2.8%)	2.003s (~)	0.012s (+15.8% 🔺)	2.019s (~)	0.818s	10	1.03x
🐘 Postgres	Next.js (Turbopack)	1.244s (+0.8%)	2.002s (~)	0.001s (-26.7% 🟢)	2.011s (~)	0.768s	10	1.07x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.212s (-1.4%)	2.920s (-17.8% 🟢)	1.194s (-90.4% 🟢)	4.591s (-72.2% 🟢)	2.379s	10	1.00x
▲ Vercel	Nitro	2.564s (+18.4% 🔺)	3.597s (+5.3% 🔺)	0.796s (+54.3% 🔺)	4.799s (+7.4% 🔺)	2.234s	10	1.16x
▲ Vercel	Express	⚠️missing	-	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

stream pipeline with 5 transform steps (1MB)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.573s (-9.5% 🟢)	2.003s (-6.5% 🟢)	0.005s (+69.7% 🔺)	2.027s (-6.2% 🟢)	0.455s	30	1.00x
💻 Local	Express	1.574s (-3.8%)	2.011s (~)	0.013s (+13.3% 🔺)	2.026s (~)	0.453s	30	1.00x
💻 Local	Nitro	1.577s (-9.5% 🟢)	2.010s (~)	0.014s (+53.7% 🔺)	2.026s (-7.8% 🟢)	0.449s	30	1.00x
💻 Local	Next.js (Turbopack)	1.724s (+5.1% 🔺)	2.010s (~)	0.011s (+5.9% 🔺)	2.024s (~)	0.300s	30	1.10x
🐘 Postgres	Next.js (Turbopack)	1.796s (+1.8%)	2.010s (~)	0.005s (+36.4% 🔺)	2.029s (~)	0.233s	30	1.14x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.038s (+5.1% 🔺)	7.079s (-6.8% 🟢)	0.254s (-24.8% 🟢)	7.873s (-7.2% 🟢)	1.834s	8	1.00x
▲ Vercel	Next.js (Turbopack)	6.125s (-3.9%)	7.322s (-7.7% 🟢)	0.178s (-50.8% 🟢)	7.911s (-10.8% 🟢)	1.786s	8	1.01x
▲ Vercel	Express	⚠️missing	-	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

10 parallel streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.708s (-27.6% 🟢)	1.048s (-26.6% 🟢)	0.000s (+22.8% 🔺)	1.061s (-26.7% 🟢)	0.354s	57	1.00x
🐘 Postgres	Next.js (Turbopack)	0.835s (~)	1.091s (+1.8%)	0.000s (+1.8%)	1.102s (+2.1%)	0.267s	55	1.18x
💻 Local	Express	1.388s (-6.4% 🟢)	2.014s (~)	0.000s (-46.7% 🟢)	2.016s (~)	0.628s	30	1.96x
💻 Local	Next.js (Turbopack)	1.456s (+0.6%)	2.013s (~)	0.001s (+100.0% 🔺)	2.016s (~)	0.560s	30	2.06x
💻 Local	Nitro	1.464s (+8.2% 🔺)	2.015s (~)	0.000s (-33.3% 🟢)	2.017s (~)	0.554s	30	2.07x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	3.260s (-9.5% 🟢)	4.513s (-11.0% 🟢)	0.000s (+Infinity% 🔺)	4.919s (-12.6% 🟢)	1.659s	13	1.00x
▲ Vercel	Next.js (Turbopack)	3.558s (+7.5% 🔺)	4.670s (-4.6%)	0.000s (+Infinity% 🔺)	5.106s (-6.5% 🟢)	1.548s	12	1.09x
▲ Vercel	Express	⚠️missing	-	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

fan-out fan-in 10 streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.415s (-12.4% 🟢)	2.139s (-5.1% 🟢)	0.000s (+Infinity% 🔺)	2.153s (-5.6% 🟢)	0.738s	28	1.00x
🐘 Postgres	Next.js (Turbopack)	1.816s (+5.1% 🔺)	2.349s (+3.9%)	0.000s (+Infinity% 🔺)	2.357s (+3.9%)	0.541s	26	1.28x
💻 Local	Next.js (Turbopack)	2.717s (-15.4% 🟢)	3.359s (-13.8% 🟢)	0.001s (+237.8% 🔺)	3.363s (-13.8% 🟢)	0.645s	18	1.92x
💻 Local	Express	3.096s (-7.1% 🟢)	3.903s (+1.7%)	0.001s (+33.3% 🔺)	3.905s (+1.6%)	0.809s	16	2.19x
💻 Local	Nitro	3.198s (+2.6%)	3.903s (~)	0.001s (+125.0% 🔺)	3.907s (~)	0.709s	16	2.26x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.089s (-27.7% 🟢)	6.217s (-27.5% 🟢)	0.000s (NaN%)	6.747s (-25.8% 🟢)	1.658s	9	1.00x
▲ Vercel	Next.js (Turbopack)	5.460s (+5.7% 🔺)	6.739s (+0.9%)	0.000s (-100.0% 🟢)	7.163s (-0.6%)	1.702s	9	1.07x
▲ Vercel	Express	⚠️missing	-	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World	🥇 Fastest Framework	Wins
💻 Local	Nitro	11/21
🐘 Postgres	Express	21/21
▲ Vercel	Nitro	14/21

Fastest World by Framework

Winner determined by most benchmark wins

Framework	🥇 Fastest World	Wins
Express	🐘 Postgres	18/21
Next.js (Turbopack)	🐘 Postgres	14/21
Nitro	💻 Local	21/21

Column Definitions

• Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
• TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
• Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
• Wall Time: Total testbench time (trigger workflow + poll for result)
• Overhead: Testbench overhead (Wall Time - Workflow Time)
• Samples: Number of benchmark iterations run
• vs Fastest: How much slower compared to the fastest configuration for this benchmark

Worlds:

• 💻 Local: In-memory filesystem world (local development)
• 🐘 Postgres: PostgreSQL database world (local development)
• ▲ Vercel: Vercel production/preview deployment
• 🌐 Turso: Community world (local development)
• 🌐 MongoDB: Community world (local development)
• 🌐 Redis: Community world (local development)
• 🌐 Jazz: Community world (local development)
• 🌐 Redis: Community world (local development)
• 🌐 Redis + BullMQ: Community world (local development)
• 🌐 Cloudflare: Community world (local development)
• 🌐 MySQL: Community world (local development)
• 🌐 Azure: Community world (local development)
• 🌐 NATS JetStream: Community world (local development)
• 🌐 Upstash: Community world (local development)

---

📋 View full workflow run

---

❌ Some benchmark jobs failed:

• Local: success
• Postgres: failure
• Vercel: failure

Check the workflow run for details.

[github-actions]

No backport to stable for 884bd8d (AI decision).

This commit is explicitly a forward-port of #2358 (which already landed on stable) to main. Backporting would be redundant since stable already has these test timeout fixes.

To override, re-run the Backport to stable workflow manually via workflow_dispatch and paste this commit SHA into the ref input:

884bd8db76746ae0482ad5870837177bb21fd3f7

[VaguelySerious]

Summary

Forward-port of the unit-test fixes from #2358 (stable). Only the first commit applies — main already has equivalents of the other two (cache-pnpm: 'false' on the matrix jobs, and community worlds disabled via if: false).

Both tests dominate Unit Tests (windows-latest) flakes on main (each also failed on the #2355/#2356 PR runs and recent main pushes):

• does not ack while the step-dispatch send is still in flight: vi.waitFor used its default 1s timeout, but the awaited sentinel sits behind a full VM workflow replay — regularly slower than 1s on 2-vCPU Windows runners (expected [] to include 'queue_dispatch_start'). Raised to 15s.
• should repeatedly replay a recorded step branch without looking ahead through Date: 200 batched VM replays (~7 CPU-seconds) starve past the 60s default timeout when competing with parallel vitest workers. Explicit 180s timeout.

Deadline raises only — replay counts and assertions unchanged. The workflow.test.ts diff is mostly indentation from switching the test to the options signature. Both files pass fully locally (86/86).

On stable, #2358's first CI run had Unit Tests (windows-latest) green with these fixes.

🤖 Generated with Claude Code

[changeset-bot]

🦋 Changeset detected

Latest commit: bca08d5

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 0 packages

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
example-nextjs-workflow-turbopack	Ready	Preview, Comment	Jun 11, 2026 12:16pm
example-nextjs-workflow-webpack	Ready	Preview, Comment	Jun 11, 2026 12:16pm
example-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-astro-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-express-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-fastify-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-hono-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-nitro-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-nuxt-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-sveltekit-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-tanstack-start-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-vite-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workflow-docs	Ready	Preview, Comment, Open in v0	Jun 11, 2026 12:16pm
workflow-swc-playground	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workflow-tarballs	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workflow-web	Ready	Preview, Comment	Jun 11, 2026 12:16pm

[github-actions]

🧪 E2E Test Results

✅ All tests passed

Summary

	Passed	Failed	Skipped	Total
✅ ▲ Vercel Production	1266	0	219	1485
✅ 💻 Local Development	1671	0	219	1890
✅ 📦 Local Production	1671	0	219	1890
✅ 🐘 Local Postgres	1671	0	219	1890
✅ 🪟 Windows	135	0	0	135
✅ 📋 Other	769	0	176	945
Total	7183	0	1052	8235

Details by Category

✅ ▲ Vercel Production

App	Passed	Failed	Skipped
✅ astro	109	0	26
✅ example	109	0	26
✅ express	109	0	26
✅ fastify	109	0	26
✅ hono	109	0	26
✅ nextjs-turbopack	133	0	2
✅ nextjs-webpack	133	0	2
✅ nitro	109	0	26
✅ nuxt	109	0	26
✅ sveltekit	128	0	7
✅ vite	109	0	26

✅ 💻 Local Development

App	Passed	Failed	Skipped
✅ astro-stable	110	0	25
✅ express-stable	110	0	25
✅ fastify-stable	110	0	25
✅ hono-stable	110	0	25
✅ nextjs-turbopack-canary	116	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	135	0	0
✅ nextjs-webpack-canary	116	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	135	0	0
✅ nitro-stable	110	0	25
✅ nuxt-stable	110	0	25
✅ sveltekit-stable	129	0	6
✅ vite-stable	110	0	25

✅ 📦 Local Production

App	Passed	Failed	Skipped
✅ astro-stable	110	0	25
✅ express-stable	110	0	25
✅ fastify-stable	110	0	25
✅ hono-stable	110	0	25
✅ nextjs-turbopack-canary	116	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	135	0	0
✅ nextjs-webpack-canary	116	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	135	0	0
✅ nitro-stable	110	0	25
✅ nuxt-stable	110	0	25
✅ sveltekit-stable	129	0	6
✅ vite-stable	110	0	25

✅ 🐘 Local Postgres

App	Passed	Failed	Skipped
✅ astro-stable	110	0	25
✅ express-stable	110	0	25
✅ fastify-stable	110	0	25
✅ hono-stable	110	0	25
✅ nextjs-turbopack-canary	116	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	135	0	0
✅ nextjs-webpack-canary	116	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	135	0	0
✅ nitro-stable	110	0	25
✅ nuxt-stable	110	0	25
✅ sveltekit-stable	129	0	6
✅ vite-stable	110	0	25

✅ 🪟 Windows

App	Passed	Failed	Skipped
✅ nextjs-turbopack	135	0	0

✅ 📋 Other

App	Passed	Failed	Skipped
✅ e2e-local-dev-nest-stable	110	0	25
✅ e2e-local-dev-tanstack-start-	110	0	25
✅ e2e-local-postgres-nest-stable	110	0	25
✅ e2e-local-postgres-tanstack-start-	110	0	25
✅ e2e-local-prod-nest-stable	110	0	25
✅ e2e-local-prod-tanstack-start-	110	0	25
✅ e2e-vercel-prod-tanstack-start	109	0	26

---

📋 View full workflow run

[github-actions]

📊 Benchmark Results

📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.

workflow with no steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	0.041s (-4.4%)	1.006s (~)	0.965s	10	1.00x
💻 Local	Express	0.042s (-2.5%)	1.007s (~)	0.965s	10	1.03x
🐘 Postgres	Express	0.063s (-5.1% 🟢)	1.014s (~)	0.951s	10	1.54x
💻 Local	Next.js (Turbopack)	0.063s (+14.9% 🔺)	1.007s (~)	0.943s	10	1.55x
🐘 Postgres	Next.js (Turbopack)	0.068s (-2.3%)	1.012s (~)	0.944s	10	1.67x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	0.318s (+21.5% 🔺)	2.140s (-12.1% 🟢)	1.823s	10	1.00x
▲ Vercel	Next.js (Turbopack)	0.326s (-1.0%)	2.119s (-9.5% 🟢)	1.792s	10	1.03x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 1 step

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	1.091s (~)	2.006s (~)	0.916s	10	1.00x
💻 Local	Express	1.094s (-0.7%)	2.007s (~)	0.913s	10	1.00x
🐘 Postgres	Express	1.107s (+1.4%)	2.010s (~)	0.903s	10	1.02x
💻 Local	Next.js (Turbopack)	1.131s (+2.0%)	2.006s (~)	0.876s	10	1.04x
🐘 Postgres	Next.js (Turbopack)	1.145s (~)	2.010s (~)	0.865s	10	1.05x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	1.734s (+10.7% 🔺)	3.486s (-1.2%)	1.752s	10	1.00x
▲ Vercel	Next.js (Turbopack)	1.745s (+4.8%)	3.321s (-18.6% 🟢)	1.576s	10	1.01x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 10 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	10.506s (~)	11.023s (~)	0.517s	3	1.00x
🐘 Postgres	Express	10.517s (-1.9%)	11.018s (-2.9%)	0.502s	3	1.00x
💻 Local	Express	10.564s (~)	11.024s (~)	0.460s	3	1.01x
💻 Local	Next.js (Turbopack)	10.754s (+1.4%)	11.022s (~)	0.268s	3	1.02x
🐘 Postgres	Next.js (Turbopack)	10.849s (~)	11.020s (~)	0.171s	3	1.03x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	13.458s (~)	14.617s (-9.2% 🟢)	1.160s	3	1.00x
▲ Vercel	Nitro	13.806s (+3.6%)	15.168s (-2.7%)	1.363s	2	1.03x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

workflow with 25 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	13.715s (-0.9%)	14.017s (-1.5%)	0.303s	5	1.00x
💻 Local	Nitro	13.741s (~)	14.028s (~)	0.287s	5	1.00x
💻 Local	Express	13.813s (-0.7%)	14.026s (-1.4%)	0.214s	5	1.01x
💻 Local	Next.js (Turbopack)	14.290s (+1.9%)	15.029s (+2.7%)	0.739s	4	1.04x
🐘 Postgres	Next.js (Turbopack)	14.431s (-1.1%)	15.021s (~)	0.590s	4	1.05x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	22.099s (-13.4% 🟢)	23.624s (-14.4% 🟢)	1.525s	3	1.00x
▲ Vercel	Next.js (Turbopack)	22.314s (-12.5% 🟢)	23.762s (-12.7% 🟢)	1.448s	3	1.01x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 50 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	12.452s (-1.2%)	13.025s (~)	0.573s	7	1.00x
💻 Local	Nitro	12.508s (+0.8%)	13.025s (~)	0.517s	7	1.00x
🐘 Postgres	Express	12.648s (-0.7%)	13.162s (-1.1%)	0.514s	7	1.02x
💻 Local	Next.js (Turbopack)	13.642s (+5.4% 🔺)	14.026s (+5.4% 🔺)	0.384s	7	1.10x
🐘 Postgres	Next.js (Turbopack)	14.121s (+2.6%)	14.595s (+4.1%)	0.474s	7	1.13x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	32.686s (+10.4% 🔺)	34.883s (+9.5% 🔺)	2.197s	3	1.00x
▲ Vercel	Nitro	32.710s (+12.6% 🔺)	35.283s (+12.4% 🔺)	2.573s	3	1.00x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

Promise.all with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.183s (-1.4%)	2.008s (-0.7%)	0.825s	15	1.00x
💻 Local	Nitro	1.189s (-2.0%)	2.006s (~)	0.818s	15	1.00x
💻 Local	Express	1.199s (-5.1% 🟢)	2.006s (~)	0.807s	15	1.01x
🐘 Postgres	Next.js (Turbopack)	1.268s (+1.4%)	2.007s (~)	0.739s	15	1.07x
💻 Local	Next.js (Turbopack)	1.327s (+8.5% 🔺)	2.006s (~)	0.679s	15	1.12x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.644s (-1.6%)	4.276s (+1.4%)	1.632s	8	1.00x
▲ Vercel	Nitro	2.755s (-0.6%)	4.215s (-2.9%)	1.460s	8	1.04x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

Promise.all with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.262s (-4.9%)	2.007s (~)	0.745s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.406s (~)	2.009s (~)	0.603s	15	1.11x
💻 Local	Express	1.705s (-9.4% 🟢)	2.006s (-9.7% 🟢)	0.302s	15	1.35x
💻 Local	Nitro	1.722s (+1.0%)	2.006s (-3.2%)	0.285s	15	1.36x
💻 Local	Next.js (Turbopack)	1.814s (+5.1% 🔺)	2.007s (~)	0.194s	15	1.44x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	3.941s (-4.0%)	5.515s (-10.2% 🟢)	1.574s	6	1.00x
▲ Vercel	Nitro	4.589s (+12.8% 🔺)	6.115s (-1.5%)	1.526s	5	1.16x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.409s (+1.1%)	2.008s (~)	0.600s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.814s (+3.1%)	2.511s (+9.4% 🔺)	0.697s	12	1.29x
💻 Local	Express	4.621s (-12.8% 🟢)	5.011s (-16.7% 🟢)	0.391s	6	3.28x
💻 Local	Nitro	4.792s (+1.6%)	5.344s (+6.7% 🔺)	0.553s	6	3.40x
💻 Local	Next.js (Turbopack)	5.441s (+23.8% 🔺)	6.015s (+20.0% 🔺)	0.573s	6	3.86x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.003s (-10.9% 🟢)	7.687s (-11.7% 🟢)	1.684s	5	1.00x
▲ Vercel	Next.js (Turbopack)	6.574s (+11.9% 🔺)	8.342s (+7.3% 🔺)	1.769s	4	1.09x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

Promise.race with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.199s (~)	2.009s (~)	0.810s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.236s (-2.4%)	2.008s (~)	0.773s	15	1.03x
💻 Local	Next.js (Turbopack)	1.372s (+5.1% 🔺)	2.006s (~)	0.634s	15	1.14x
💻 Local	Nitro	1.506s (-2.4%)	2.007s (~)	0.501s	15	1.26x
💻 Local	Express	1.532s (-7.5% 🟢)	2.006s (-3.3%)	0.474s	15	1.28x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.787s (-36.3% 🟢)	4.231s (-32.8% 🟢)	1.444s	8	1.00x
▲ Vercel	Nitro	3.087s (+15.5% 🔺)	4.692s (+8.3% 🔺)	1.606s	7	1.11x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

Promise.race with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.274s (+2.5%)	2.008s (~)	0.734s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.379s (-1.3%)	2.008s (~)	0.629s	15	1.08x
💻 Local	Nitro	1.998s (+13.7% 🔺)	2.393s (+15.5% 🔺)	0.395s	13	1.57x
💻 Local	Next.js (Turbopack)	2.020s (~)	2.735s (+9.1% 🔺)	0.715s	11	1.59x
💻 Local	Express	2.087s (-1.8%)	2.676s (+3.3%)	0.588s	12	1.64x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	3.582s (-12.5% 🟢)	5.073s (-15.5% 🟢)	1.491s	6	1.00x
▲ Vercel	Next.js (Turbopack)	5.023s (+11.1% 🔺)	6.737s (+9.2% 🔺)	1.714s	5	1.40x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

Promise.race with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.379s (-8.1% 🟢)	2.007s (-16.3% 🟢)	0.628s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.709s (+3.2%)	2.075s (~)	0.366s	15	1.24x
💻 Local	Nitro	5.100s (+7.5% 🔺)	5.513s (+3.2%)	0.413s	6	3.70x
💻 Local	Express	5.188s (-11.5% 🟢)	5.682s (-8.5% 🟢)	0.495s	6	3.76x
💻 Local	Next.js (Turbopack)	5.780s (+12.0% 🔺)	6.216s (+3.3%)	0.435s	5	4.19x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.705s (+15.7% 🔺)	7.433s (+10.3% 🔺)	1.728s	5	1.00x
▲ Vercel	Next.js (Turbopack)	5.992s (+3.5%)	8.177s (+7.9% 🔺)	2.186s	4	1.05x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.563s (-15.5% 🟢)	1.007s (-3.9%)	0.443s	60	1.00x
💻 Local	Express	0.584s (-10.9% 🟢)	1.005s (-3.3%)	0.420s	60	1.04x
💻 Local	Nitro	0.587s (-27.0% 🟢)	1.005s (-16.6% 🟢)	0.417s	60	1.04x
🐘 Postgres	Next.js (Turbopack)	0.814s (~)	1.007s (~)	0.193s	60	1.45x
💻 Local	Next.js (Turbopack)	0.848s (+21.8% 🔺)	1.004s (~)	0.157s	60	1.50x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.102s (-18.2% 🟢)	7.526s (-20.9% 🟢)	1.424s	8	1.00x
▲ Vercel	Next.js (Turbopack)	6.238s (+23.6% 🔺)	7.557s (+10.3% 🔺)	1.319s	8	1.02x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.314s (-14.5% 🟢)	2.008s (-6.7% 🟢)	0.693s	45	1.00x
💻 Local	Nitro	1.523s (+4.0%)	2.007s (~)	0.484s	45	1.16x
💻 Local	Express	1.544s (-3.0%)	2.006s (-1.1%)	0.463s	45	1.17x
🐘 Postgres	Next.js (Turbopack)	1.995s (+2.7%)	2.441s (+12.3% 🔺)	0.446s	37	1.52x
💻 Local	Next.js (Turbopack)	2.042s (+18.2% 🔺)	2.883s (+42.2% 🔺)	0.840s	32	1.55x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	14.400s (-2.5%)	16.028s (-5.3% 🟢)	1.628s	6	1.00x
▲ Vercel	Nitro	14.653s (+10.9% 🔺)	16.443s (+6.2% 🔺)	1.789s	6	1.02x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	2.649s (-9.0% 🟢)	3.086s (-12.8% 🟢)	0.437s	39	1.00x
💻 Local	Nitro	3.276s (+2.2%)	4.010s (~)	0.733s	30	1.24x
💻 Local	Express	3.338s (-2.4%)	4.043s (+0.8%)	0.705s	30	1.26x
🐘 Postgres	Next.js (Turbopack)	3.991s (+3.4%)	4.403s (+8.0% 🔺)	0.413s	28	1.51x
💻 Local	Next.js (Turbopack)	4.297s (+15.3% 🔺)	5.010s (+21.9% 🔺)	0.713s	24	1.62x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	29.987s (+0.7%)	32.403s (+1.3%)	2.416s	4	1.00x
▲ Vercel	Next.js (Turbopack)	31.663s (+17.3% 🔺)	33.691s (+15.1% 🔺)	2.028s	4	1.06x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.206s (-18.3% 🟢)	1.006s (~)	0.800s	60	1.00x
🐘 Postgres	Next.js (Turbopack)	0.276s (-2.2%)	1.006s (~)	0.731s	60	1.34x
💻 Local	Express	0.449s (-3.4%)	1.005s (~)	0.556s	60	2.18x
💻 Local	Nitro	0.462s (+8.9% 🔺)	1.005s (~)	0.543s	60	2.25x
💻 Local	Next.js (Turbopack)	0.560s (-8.4% 🟢)	1.005s (-3.2%)	0.445s	60	2.72x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.627s (+12.0% 🔺)	4.025s (-7.1% 🟢)	1.398s	16	1.00x
▲ Vercel	Next.js (Turbopack)	2.770s (+25.9% 🔺)	4.301s (+1.9%)	1.531s	14	1.05x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.342s (+0.8%)	1.007s (~)	0.665s	90	1.00x
🐘 Postgres	Next.js (Turbopack)	0.490s (+1.6%)	1.006s (~)	0.516s	90	1.43x
💻 Local	Nitro	2.161s (+4.7%)	2.687s (+1.9%)	0.525s	34	6.33x
💻 Local	Express	2.222s (+1.4%)	2.822s (~)	0.599s	32	6.50x
💻 Local	Next.js (Turbopack)	2.377s (-3.0%)	3.043s (-2.1%)	0.665s	30	6.96x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.355s (-87.8% 🟢)	6.982s (-84.8% 🟢)	1.628s	14	1.00x
▲ Vercel	Next.js (Turbopack)	7.232s (+15.3% 🔺)	8.603s (+1.2%)	1.371s	11	1.35x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.669s (+6.9% 🔺)	1.007s (-4.6%)	0.337s	120	1.00x
🐘 Postgres	Next.js (Turbopack)	1.009s (+3.0%)	1.814s (+12.8% 🔺)	0.805s	67	1.51x
💻 Local	Express	9.571s (-7.2% 🟢)	10.118s (-6.9% 🟢)	0.547s	12	14.30x
💻 Local	Nitro	9.653s (+10.8% 🔺)	10.194s (+9.2% 🔺)	0.542s	12	14.43x
💻 Local	Next.js (Turbopack)	10.148s (-1.6%)	10.777s (-4.6%)	0.629s	12	15.17x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	16.389s (-94.7% 🟢)	18.299s (-94.2% 🟢)	1.909s	7	1.00x
▲ Vercel	Next.js (Turbopack)	17.034s (-89.4% 🟢)	18.767s (-88.4% 🟢)	1.734s	7	1.04x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

Stream Benchmarks(includes TTFB metrics)

workflow with stream

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.161s (-2.7%)	1.997s (~)	0.001s (-96.8% 🟢)	2.011s (-1.6%)	0.849s	10	1.00x
💻 Local	Nitro	1.163s (+1.1%)	2.005s (~)	0.011s (+6.0% 🔺)	2.018s (~)	0.855s	10	1.00x
💻 Local	Express	1.169s (~)	2.004s (~)	0.010s (-21.9% 🟢)	2.017s (~)	0.848s	10	1.01x
💻 Local	Next.js (Turbopack)	1.201s (+2.8%)	2.003s (~)	0.012s (+15.8% 🔺)	2.019s (~)	0.818s	10	1.03x
🐘 Postgres	Next.js (Turbopack)	1.244s (+0.8%)	2.002s (~)	0.001s (-26.7% 🟢)	2.011s (~)	0.768s	10	1.07x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.212s (-1.4%)	2.920s (-17.8% 🟢)	1.194s (-90.4% 🟢)	4.591s (-72.2% 🟢)	2.379s	10	1.00x
▲ Vercel	Nitro	2.564s (+18.4% 🔺)	3.597s (+5.3% 🔺)	0.796s (+54.3% 🔺)	4.799s (+7.4% 🔺)	2.234s	10	1.16x
▲ Vercel	Express	⚠️missing	-	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

stream pipeline with 5 transform steps (1MB)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.573s (-9.5% 🟢)	2.003s (-6.5% 🟢)	0.005s (+69.7% 🔺)	2.027s (-6.2% 🟢)	0.455s	30	1.00x
💻 Local	Express	1.574s (-3.8%)	2.011s (~)	0.013s (+13.3% 🔺)	2.026s (~)	0.453s	30	1.00x
💻 Local	Nitro	1.577s (-9.5% 🟢)	2.010s (~)	0.014s (+53.7% 🔺)	2.026s (-7.8% 🟢)	0.449s	30	1.00x
💻 Local	Next.js (Turbopack)	1.724s (+5.1% 🔺)	2.010s (~)	0.011s (+5.9% 🔺)	2.024s (~)	0.300s	30	1.10x
🐘 Postgres	Next.js (Turbopack)	1.796s (+1.8%)	2.010s (~)	0.005s (+36.4% 🔺)	2.029s (~)	0.233s	30	1.14x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.038s (+5.1% 🔺)	7.079s (-6.8% 🟢)	0.254s (-24.8% 🟢)	7.873s (-7.2% 🟢)	1.834s	8	1.00x
▲ Vercel	Next.js (Turbopack)	6.125s (-3.9%)	7.322s (-7.7% 🟢)	0.178s (-50.8% 🟢)	7.911s (-10.8% 🟢)	1.786s	8	1.01x
▲ Vercel	Express	⚠️missing	-	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

10 parallel streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.708s (-27.6% 🟢)	1.048s (-26.6% 🟢)	0.000s (+22.8% 🔺)	1.061s (-26.7% 🟢)	0.354s	57	1.00x
🐘 Postgres	Next.js (Turbopack)	0.835s (~)	1.091s (+1.8%)	0.000s (+1.8%)	1.102s (+2.1%)	0.267s	55	1.18x
💻 Local	Express	1.388s (-6.4% 🟢)	2.014s (~)	0.000s (-46.7% 🟢)	2.016s (~)	0.628s	30	1.96x
💻 Local	Next.js (Turbopack)	1.456s (+0.6%)	2.013s (~)	0.001s (+100.0% 🔺)	2.016s (~)	0.560s	30	2.06x
💻 Local	Nitro	1.464s (+8.2% 🔺)	2.015s (~)	0.000s (-33.3% 🟢)	2.017s (~)	0.554s	30	2.07x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	3.260s (-9.5% 🟢)	4.513s (-11.0% 🟢)	0.000s (+Infinity% 🔺)	4.919s (-12.6% 🟢)	1.659s	13	1.00x
▲ Vercel	Next.js (Turbopack)	3.558s (+7.5% 🔺)	4.670s (-4.6%)	0.000s (+Infinity% 🔺)	5.106s (-6.5% 🟢)	1.548s	12	1.09x
▲ Vercel	Express	⚠️missing	-	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

fan-out fan-in 10 streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.415s (-12.4% 🟢)	2.139s (-5.1% 🟢)	0.000s (+Infinity% 🔺)	2.153s (-5.6% 🟢)	0.738s	28	1.00x
🐘 Postgres	Next.js (Turbopack)	1.816s (+5.1% 🔺)	2.349s (+3.9%)	0.000s (+Infinity% 🔺)	2.357s (+3.9%)	0.541s	26	1.28x
💻 Local	Next.js (Turbopack)	2.717s (-15.4% 🟢)	3.359s (-13.8% 🟢)	0.001s (+237.8% 🔺)	3.363s (-13.8% 🟢)	0.645s	18	1.92x
💻 Local	Express	3.096s (-7.1% 🟢)	3.903s (+1.7%)	0.001s (+33.3% 🔺)	3.905s (+1.6%)	0.809s	16	2.19x
💻 Local	Nitro	3.198s (+2.6%)	3.903s (~)	0.001s (+125.0% 🔺)	3.907s (~)	0.709s	16	2.26x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.089s (-27.7% 🟢)	6.217s (-27.5% 🟢)	0.000s (NaN%)	6.747s (-25.8% 🟢)	1.658s	9	1.00x
▲ Vercel	Next.js (Turbopack)	5.460s (+5.7% 🔺)	6.739s (+0.9%)	0.000s (-100.0% 🟢)	7.163s (-0.6%)	1.702s	9	1.07x
▲ Vercel	Express	⚠️missing	-	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World	🥇 Fastest Framework	Wins
💻 Local	Nitro	11/21
🐘 Postgres	Express	21/21
▲ Vercel	Nitro	14/21

Fastest World by Framework

Winner determined by most benchmark wins

Framework	🥇 Fastest World	Wins
Express	🐘 Postgres	18/21
Next.js (Turbopack)	🐘 Postgres	14/21
Nitro	💻 Local	21/21

Column Definitions

• Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
• TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
• Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
• Wall Time: Total testbench time (trigger workflow + poll for result)
• Overhead: Testbench overhead (Wall Time - Workflow Time)
• Samples: Number of benchmark iterations run
• vs Fastest: How much slower compared to the fastest configuration for this benchmark

Worlds:

• 💻 Local: In-memory filesystem world (local development)
• 🐘 Postgres: PostgreSQL database world (local development)
• ▲ Vercel: Vercel production/preview deployment
• 🌐 Turso: Community world (local development)
• 🌐 MongoDB: Community world (local development)
• 🌐 Redis: Community world (local development)
• 🌐 Jazz: Community world (local development)
• 🌐 Redis: Community world (local development)
• 🌐 Redis + BullMQ: Community world (local development)
• 🌐 Cloudflare: Community world (local development)
• 🌐 MySQL: Community world (local development)
• 🌐 Azure: Community world (local development)
• 🌐 NATS JetStream: Community world (local development)
• 🌐 Upstash: Community world (local development)

---

📋 View full workflow run

---

❌ Some benchmark jobs failed:

• Local: success
• Postgres: failure
• Vercel: failure

Check the workflow run for details.

[github-actions]

No backport to stable for 884bd8d (AI decision).

This commit is explicitly a forward-port of #2358 (which already landed on stable) to main. Backporting would be redundant since stable already has these test timeout fixes.

To override, re-run the Backport to stable workflow manually via workflow_dispatch and paste this commit SHA into the ref input:

884bd8db76746ae0482ad5870837177bb21fd3f7

[VaguelySerious]

Summary

Forward-port of the unit-test fixes from #2358 (stable). Only the first commit applies — main already has equivalents of the other two (cache-pnpm: 'false' on the matrix jobs, and community worlds disabled via if: false).

Both tests dominate Unit Tests (windows-latest) flakes on main (each also failed on the #2355/#2356 PR runs and recent main pushes):

• does not ack while the step-dispatch send is still in flight: vi.waitFor used its default 1s timeout, but the awaited sentinel sits behind a full VM workflow replay — regularly slower than 1s on 2-vCPU Windows runners (expected [] to include 'queue_dispatch_start'). Raised to 15s.
• should repeatedly replay a recorded step branch without looking ahead through Date: 200 batched VM replays (~7 CPU-seconds) starve past the 60s default timeout when competing with parallel vitest workers. Explicit 180s timeout.

Deadline raises only — replay counts and assertions unchanged. The workflow.test.ts diff is mostly indentation from switching the test to the options signature. Both files pass fully locally (86/86).

On stable, #2358's first CI run had Unit Tests (windows-latest) green with these fixes.

🤖 Generated with Claude Code

[changeset-bot]

🦋 Changeset detected

Latest commit: bca08d5

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 0 packages

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
example-nextjs-workflow-turbopack	Ready	Preview, Comment	Jun 11, 2026 12:16pm
example-nextjs-workflow-webpack	Ready	Preview, Comment	Jun 11, 2026 12:16pm
example-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-astro-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-express-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-fastify-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-hono-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-nitro-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-nuxt-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-sveltekit-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-tanstack-start-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-vite-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workflow-docs	Ready	Preview, Comment, Open in v0	Jun 11, 2026 12:16pm
workflow-swc-playground	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workflow-tarballs	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workflow-web	Ready	Preview, Comment	Jun 11, 2026 12:16pm

[github-actions]

🧪 E2E Test Results

✅ All tests passed

Summary

	Passed	Failed	Skipped	Total
✅ ▲ Vercel Production	1266	0	219	1485
✅ 💻 Local Development	1671	0	219	1890
✅ 📦 Local Production	1671	0	219	1890
✅ 🐘 Local Postgres	1671	0	219	1890
✅ 🪟 Windows	135	0	0	135
✅ 📋 Other	769	0	176	945
Total	7183	0	1052	8235

Details by Category

✅ ▲ Vercel Production

App	Passed	Failed	Skipped
✅ astro	109	0	26
✅ example	109	0	26
✅ express	109	0	26
✅ fastify	109	0	26
✅ hono	109	0	26
✅ nextjs-turbopack	133	0	2
✅ nextjs-webpack	133	0	2
✅ nitro	109	0	26
✅ nuxt	109	0	26
✅ sveltekit	128	0	7
✅ vite	109	0	26

✅ 💻 Local Development

App	Passed	Failed	Skipped
✅ astro-stable	110	0	25
✅ express-stable	110	0	25
✅ fastify-stable	110	0	25
✅ hono-stable	110	0	25
✅ nextjs-turbopack-canary	116	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	135	0	0
✅ nextjs-webpack-canary	116	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	135	0	0
✅ nitro-stable	110	0	25
✅ nuxt-stable	110	0	25
✅ sveltekit-stable	129	0	6
✅ vite-stable	110	0	25

✅ 📦 Local Production

App	Passed	Failed	Skipped
✅ astro-stable	110	0	25
✅ express-stable	110	0	25
✅ fastify-stable	110	0	25
✅ hono-stable	110	0	25
✅ nextjs-turbopack-canary	116	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	135	0	0
✅ nextjs-webpack-canary	116	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	135	0	0
✅ nitro-stable	110	0	25
✅ nuxt-stable	110	0	25
✅ sveltekit-stable	129	0	6
✅ vite-stable	110	0	25

✅ 🐘 Local Postgres

App	Passed	Failed	Skipped
✅ astro-stable	110	0	25
✅ express-stable	110	0	25
✅ fastify-stable	110	0	25
✅ hono-stable	110	0	25
✅ nextjs-turbopack-canary	116	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	135	0	0
✅ nextjs-webpack-canary	116	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	135	0	0
✅ nitro-stable	110	0	25
✅ nuxt-stable	110	0	25
✅ sveltekit-stable	129	0	6
✅ vite-stable	110	0	25

✅ 🪟 Windows

App	Passed	Failed	Skipped
✅ nextjs-turbopack	135	0	0

✅ 📋 Other

App	Passed	Failed	Skipped
✅ e2e-local-dev-nest-stable	110	0	25
✅ e2e-local-dev-tanstack-start-	110	0	25
✅ e2e-local-postgres-nest-stable	110	0	25
✅ e2e-local-postgres-tanstack-start-	110	0	25
✅ e2e-local-prod-nest-stable	110	0	25
✅ e2e-local-prod-tanstack-start-	110	0	25
✅ e2e-vercel-prod-tanstack-start	109	0	26

---

📋 View full workflow run

[github-actions]

📊 Benchmark Results

📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.

workflow with no steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	0.041s (-4.4%)	1.006s (~)	0.965s	10	1.00x
💻 Local	Express	0.042s (-2.5%)	1.007s (~)	0.965s	10	1.03x
🐘 Postgres	Express	0.063s (-5.1% 🟢)	1.014s (~)	0.951s	10	1.54x
💻 Local	Next.js (Turbopack)	0.063s (+14.9% 🔺)	1.007s (~)	0.943s	10	1.55x
🐘 Postgres	Next.js (Turbopack)	0.068s (-2.3%)	1.012s (~)	0.944s	10	1.67x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	0.318s (+21.5% 🔺)	2.140s (-12.1% 🟢)	1.823s	10	1.00x
▲ Vercel	Next.js (Turbopack)	0.326s (-1.0%)	2.119s (-9.5% 🟢)	1.792s	10	1.03x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 1 step

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	1.091s (~)	2.006s (~)	0.916s	10	1.00x
💻 Local	Express	1.094s (-0.7%)	2.007s (~)	0.913s	10	1.00x
🐘 Postgres	Express	1.107s (+1.4%)	2.010s (~)	0.903s	10	1.02x
💻 Local	Next.js (Turbopack)	1.131s (+2.0%)	2.006s (~)	0.876s	10	1.04x
🐘 Postgres	Next.js (Turbopack)	1.145s (~)	2.010s (~)	0.865s	10	1.05x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	1.734s (+10.7% 🔺)	3.486s (-1.2%)	1.752s	10	1.00x
▲ Vercel	Next.js (Turbopack)	1.745s (+4.8%)	3.321s (-18.6% 🟢)	1.576s	10	1.01x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 10 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	10.506s (~)	11.023s (~)	0.517s	3	1.00x
🐘 Postgres	Express	10.517s (-1.9%)	11.018s (-2.9%)	0.502s	3	1.00x
💻 Local	Express	10.564s (~)	11.024s (~)	0.460s	3	1.01x
💻 Local	Next.js (Turbopack)	10.754s (+1.4%)	11.022s (~)	0.268s	3	1.02x
🐘 Postgres	Next.js (Turbopack)	10.849s (~)	11.020s (~)	0.171s	3	1.03x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	13.458s (~)	14.617s (-9.2% 🟢)	1.160s	3	1.00x
▲ Vercel	Nitro	13.806s (+3.6%)	15.168s (-2.7%)	1.363s	2	1.03x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

workflow with 25 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	13.715s (-0.9%)	14.017s (-1.5%)	0.303s	5	1.00x
💻 Local	Nitro	13.741s (~)	14.028s (~)	0.287s	5	1.00x
💻 Local	Express	13.813s (-0.7%)	14.026s (-1.4%)	0.214s	5	1.01x
💻 Local	Next.js (Turbopack)	14.290s (+1.9%)	15.029s (+2.7%)	0.739s	4	1.04x
🐘 Postgres	Next.js (Turbopack)	14.431s (-1.1%)	15.021s (~)	0.590s	4	1.05x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	22.099s (-13.4% 🟢)	23.624s (-14.4% 🟢)	1.525s	3	1.00x
▲ Vercel	Next.js (Turbopack)	22.314s (-12.5% 🟢)	23.762s (-12.7% 🟢)	1.448s	3	1.01x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 50 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	12.452s (-1.2%)	13.025s (~)	0.573s	7	1.00x
💻 Local	Nitro	12.508s (+0.8%)	13.025s (~)	0.517s	7	1.00x
🐘 Postgres	Express	12.648s (-0.7%)	13.162s (-1.1%)	0.514s	7	1.02x
💻 Local	Next.js (Turbopack)	13.642s (+5.4% 🔺)	14.026s (+5.4% 🔺)	0.384s	7	1.10x
🐘 Postgres	Next.js (Turbopack)	14.121s (+2.6%)	14.595s (+4.1%)	0.474s	7	1.13x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	32.686s (+10.4% 🔺)	34.883s (+9.5% 🔺)	2.197s	3	1.00x
▲ Vercel	Nitro	32.710s (+12.6% 🔺)	35.283s (+12.4% 🔺)	2.573s	3	1.00x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

Promise.all with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.183s (-1.4%)	2.008s (-0.7%)	0.825s	15	1.00x
💻 Local	Nitro	1.189s (-2.0%)	2.006s (~)	0.818s	15	1.00x
💻 Local	Express	1.199s (-5.1% 🟢)	2.006s (~)	0.807s	15	1.01x
🐘 Postgres	Next.js (Turbopack)	1.268s (+1.4%)	2.007s (~)	0.739s	15	1.07x
💻 Local	Next.js (Turbopack)	1.327s (+8.5% 🔺)	2.006s (~)	0.679s	15	1.12x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.644s (-1.6%)	4.276s (+1.4%)	1.632s	8	1.00x
▲ Vercel	Nitro	2.755s (-0.6%)	4.215s (-2.9%)	1.460s	8	1.04x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

Promise.all with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.262s (-4.9%)	2.007s (~)	0.745s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.406s (~)	2.009s (~)	0.603s	15	1.11x
💻 Local	Express	1.705s (-9.4% 🟢)	2.006s (-9.7% 🟢)	0.302s	15	1.35x
💻 Local	Nitro	1.722s (+1.0%)	2.006s (-3.2%)	0.285s	15	1.36x
💻 Local	Next.js (Turbopack)	1.814s (+5.1% 🔺)	2.007s (~)	0.194s	15	1.44x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	3.941s (-4.0%)	5.515s (-10.2% 🟢)	1.574s	6	1.00x
▲ Vercel	Nitro	4.589s (+12.8% 🔺)	6.115s (-1.5%)	1.526s	5	1.16x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.409s (+1.1%)	2.008s (~)	0.600s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.814s (+3.1%)	2.511s (+9.4% 🔺)	0.697s	12	1.29x
💻 Local	Express	4.621s (-12.8% 🟢)	5.011s (-16.7% 🟢)	0.391s	6	3.28x
💻 Local	Nitro	4.792s (+1.6%)	5.344s (+6.7% 🔺)	0.553s	6	3.40x
💻 Local	Next.js (Turbopack)	5.441s (+23.8% 🔺)	6.015s (+20.0% 🔺)	0.573s	6	3.86x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.003s (-10.9% 🟢)	7.687s (-11.7% 🟢)	1.684s	5	1.00x
▲ Vercel	Next.js (Turbopack)	6.574s (+11.9% 🔺)	8.342s (+7.3% 🔺)	1.769s	4	1.09x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

Promise.race with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.199s (~)	2.009s (~)	0.810s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.236s (-2.4%)	2.008s (~)	0.773s	15	1.03x
💻 Local	Next.js (Turbopack)	1.372s (+5.1% 🔺)	2.006s (~)	0.634s	15	1.14x
💻 Local	Nitro	1.506s (-2.4%)	2.007s (~)	0.501s	15	1.26x
💻 Local	Express	1.532s (-7.5% 🟢)	2.006s (-3.3%)	0.474s	15	1.28x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.787s (-36.3% 🟢)	4.231s (-32.8% 🟢)	1.444s	8	1.00x
▲ Vercel	Nitro	3.087s (+15.5% 🔺)	4.692s (+8.3% 🔺)	1.606s	7	1.11x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

Promise.race with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.274s (+2.5%)	2.008s (~)	0.734s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.379s (-1.3%)	2.008s (~)	0.629s	15	1.08x
💻 Local	Nitro	1.998s (+13.7% 🔺)	2.393s (+15.5% 🔺)	0.395s	13	1.57x
💻 Local	Next.js (Turbopack)	2.020s (~)	2.735s (+9.1% 🔺)	0.715s	11	1.59x
💻 Local	Express	2.087s (-1.8%)	2.676s (+3.3%)	0.588s	12	1.64x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	3.582s (-12.5% 🟢)	5.073s (-15.5% 🟢)	1.491s	6	1.00x
▲ Vercel	Next.js (Turbopack)	5.023s (+11.1% 🔺)	6.737s (+9.2% 🔺)	1.714s	5	1.40x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

Promise.race with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.379s (-8.1% 🟢)	2.007s (-16.3% 🟢)	0.628s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.709s (+3.2%)	2.075s (~)	0.366s	15	1.24x
💻 Local	Nitro	5.100s (+7.5% 🔺)	5.513s (+3.2%)	0.413s	6	3.70x
💻 Local	Express	5.188s (-11.5% 🟢)	5.682s (-8.5% 🟢)	0.495s	6	3.76x
💻 Local	Next.js (Turbopack)	5.780s (+12.0% 🔺)	6.216s (+3.3%)	0.435s	5	4.19x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.705s (+15.7% 🔺)	7.433s (+10.3% 🔺)	1.728s	5	1.00x
▲ Vercel	Next.js (Turbopack)	5.992s (+3.5%)	8.177s (+7.9% 🔺)	2.186s	4	1.05x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.563s (-15.5% 🟢)	1.007s (-3.9%)	0.443s	60	1.00x
💻 Local	Express	0.584s (-10.9% 🟢)	1.005s (-3.3%)	0.420s	60	1.04x
💻 Local	Nitro	0.587s (-27.0% 🟢)	1.005s (-16.6% 🟢)	0.417s	60	1.04x
🐘 Postgres	Next.js (Turbopack)	0.814s (~)	1.007s (~)	0.193s	60	1.45x
💻 Local	Next.js (Turbopack)	0.848s (+21.8% 🔺)	1.004s (~)	0.157s	60	1.50x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.102s (-18.2% 🟢)	7.526s (-20.9% 🟢)	1.424s	8	1.00x
▲ Vercel	Next.js (Turbopack)	6.238s (+23.6% 🔺)	7.557s (+10.3% 🔺)	1.319s	8	1.02x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.314s (-14.5% 🟢)	2.008s (-6.7% 🟢)	0.693s	45	1.00x
💻 Local	Nitro	1.523s (+4.0%)	2.007s (~)	0.484s	45	1.16x
💻 Local	Express	1.544s (-3.0%)	2.006s (-1.1%)	0.463s	45	1.17x
🐘 Postgres	Next.js (Turbopack)	1.995s (+2.7%)	2.441s (+12.3% 🔺)	0.446s	37	1.52x
💻 Local	Next.js (Turbopack)	2.042s (+18.2% 🔺)	2.883s (+42.2% 🔺)	0.840s	32	1.55x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	14.400s (-2.5%)	16.028s (-5.3% 🟢)	1.628s	6	1.00x
▲ Vercel	Nitro	14.653s (+10.9% 🔺)	16.443s (+6.2% 🔺)	1.789s	6	1.02x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	2.649s (-9.0% 🟢)	3.086s (-12.8% 🟢)	0.437s	39	1.00x
💻 Local	Nitro	3.276s (+2.2%)	4.010s (~)	0.733s	30	1.24x
💻 Local	Express	3.338s (-2.4%)	4.043s (+0.8%)	0.705s	30	1.26x
🐘 Postgres	Next.js (Turbopack)	3.991s (+3.4%)	4.403s (+8.0% 🔺)	0.413s	28	1.51x
💻 Local	Next.js (Turbopack)	4.297s (+15.3% 🔺)	5.010s (+21.9% 🔺)	0.713s	24	1.62x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	29.987s (+0.7%)	32.403s (+1.3%)	2.416s	4	1.00x
▲ Vercel	Next.js (Turbopack)	31.663s (+17.3% 🔺)	33.691s (+15.1% 🔺)	2.028s	4	1.06x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.206s (-18.3% 🟢)	1.006s (~)	0.800s	60	1.00x
🐘 Postgres	Next.js (Turbopack)	0.276s (-2.2%)	1.006s (~)	0.731s	60	1.34x
💻 Local	Express	0.449s (-3.4%)	1.005s (~)	0.556s	60	2.18x
💻 Local	Nitro	0.462s (+8.9% 🔺)	1.005s (~)	0.543s	60	2.25x
💻 Local	Next.js (Turbopack)	0.560s (-8.4% 🟢)	1.005s (-3.2%)	0.445s	60	2.72x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.627s (+12.0% 🔺)	4.025s (-7.1% 🟢)	1.398s	16	1.00x
▲ Vercel	Next.js (Turbopack)	2.770s (+25.9% 🔺)	4.301s (+1.9%)	1.531s	14	1.05x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.342s (+0.8%)	1.007s (~)	0.665s	90	1.00x
🐘 Postgres	Next.js (Turbopack)	0.490s (+1.6%)	1.006s (~)	0.516s	90	1.43x
💻 Local	Nitro	2.161s (+4.7%)	2.687s (+1.9%)	0.525s	34	6.33x
💻 Local	Express	2.222s (+1.4%)	2.822s (~)	0.599s	32	6.50x
💻 Local	Next.js (Turbopack)	2.377s (-3.0%)	3.043s (-2.1%)	0.665s	30	6.96x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.355s (-87.8% 🟢)	6.982s (-84.8% 🟢)	1.628s	14	1.00x
▲ Vercel	Next.js (Turbopack)	7.232s (+15.3% 🔺)	8.603s (+1.2%)	1.371s	11	1.35x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.669s (+6.9% 🔺)	1.007s (-4.6%)	0.337s	120	1.00x
🐘 Postgres	Next.js (Turbopack)	1.009s (+3.0%)	1.814s (+12.8% 🔺)	0.805s	67	1.51x
💻 Local	Express	9.571s (-7.2% 🟢)	10.118s (-6.9% 🟢)	0.547s	12	14.30x
💻 Local	Nitro	9.653s (+10.8% 🔺)	10.194s (+9.2% 🔺)	0.542s	12	14.43x
💻 Local	Next.js (Turbopack)	10.148s (-1.6%)	10.777s (-4.6%)	0.629s	12	15.17x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	16.389s (-94.7% 🟢)	18.299s (-94.2% 🟢)	1.909s	7	1.00x
▲ Vercel	Next.js (Turbopack)	17.034s (-89.4% 🟢)	18.767s (-88.4% 🟢)	1.734s	7	1.04x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

Stream Benchmarks(includes TTFB metrics)

workflow with stream

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.161s (-2.7%)	1.997s (~)	0.001s (-96.8% 🟢)	2.011s (-1.6%)	0.849s	10	1.00x
💻 Local	Nitro	1.163s (+1.1%)	2.005s (~)	0.011s (+6.0% 🔺)	2.018s (~)	0.855s	10	1.00x
💻 Local	Express	1.169s (~)	2.004s (~)	0.010s (-21.9% 🟢)	2.017s (~)	0.848s	10	1.01x
💻 Local	Next.js (Turbopack)	1.201s (+2.8%)	2.003s (~)	0.012s (+15.8% 🔺)	2.019s (~)	0.818s	10	1.03x
🐘 Postgres	Next.js (Turbopack)	1.244s (+0.8%)	2.002s (~)	0.001s (-26.7% 🟢)	2.011s (~)	0.768s	10	1.07x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.212s (-1.4%)	2.920s (-17.8% 🟢)	1.194s (-90.4% 🟢)	4.591s (-72.2% 🟢)	2.379s	10	1.00x
▲ Vercel	Nitro	2.564s (+18.4% 🔺)	3.597s (+5.3% 🔺)	0.796s (+54.3% 🔺)	4.799s (+7.4% 🔺)	2.234s	10	1.16x
▲ Vercel	Express	⚠️missing	-	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

stream pipeline with 5 transform steps (1MB)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.573s (-9.5% 🟢)	2.003s (-6.5% 🟢)	0.005s (+69.7% 🔺)	2.027s (-6.2% 🟢)	0.455s	30	1.00x
💻 Local	Express	1.574s (-3.8%)	2.011s (~)	0.013s (+13.3% 🔺)	2.026s (~)	0.453s	30	1.00x
💻 Local	Nitro	1.577s (-9.5% 🟢)	2.010s (~)	0.014s (+53.7% 🔺)	2.026s (-7.8% 🟢)	0.449s	30	1.00x
💻 Local	Next.js (Turbopack)	1.724s (+5.1% 🔺)	2.010s (~)	0.011s (+5.9% 🔺)	2.024s (~)	0.300s	30	1.10x
🐘 Postgres	Next.js (Turbopack)	1.796s (+1.8%)	2.010s (~)	0.005s (+36.4% 🔺)	2.029s (~)	0.233s	30	1.14x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.038s (+5.1% 🔺)	7.079s (-6.8% 🟢)	0.254s (-24.8% 🟢)	7.873s (-7.2% 🟢)	1.834s	8	1.00x
▲ Vercel	Next.js (Turbopack)	6.125s (-3.9%)	7.322s (-7.7% 🟢)	0.178s (-50.8% 🟢)	7.911s (-10.8% 🟢)	1.786s	8	1.01x
▲ Vercel	Express	⚠️missing	-	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

10 parallel streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.708s (-27.6% 🟢)	1.048s (-26.6% 🟢)	0.000s (+22.8% 🔺)	1.061s (-26.7% 🟢)	0.354s	57	1.00x
🐘 Postgres	Next.js (Turbopack)	0.835s (~)	1.091s (+1.8%)	0.000s (+1.8%)	1.102s (+2.1%)	0.267s	55	1.18x
💻 Local	Express	1.388s (-6.4% 🟢)	2.014s (~)	0.000s (-46.7% 🟢)	2.016s (~)	0.628s	30	1.96x
💻 Local	Next.js (Turbopack)	1.456s (+0.6%)	2.013s (~)	0.001s (+100.0% 🔺)	2.016s (~)	0.560s	30	2.06x
💻 Local	Nitro	1.464s (+8.2% 🔺)	2.015s (~)	0.000s (-33.3% 🟢)	2.017s (~)	0.554s	30	2.07x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	3.260s (-9.5% 🟢)	4.513s (-11.0% 🟢)	0.000s (+Infinity% 🔺)	4.919s (-12.6% 🟢)	1.659s	13	1.00x
▲ Vercel	Next.js (Turbopack)	3.558s (+7.5% 🔺)	4.670s (-4.6%)	0.000s (+Infinity% 🔺)	5.106s (-6.5% 🟢)	1.548s	12	1.09x
▲ Vercel	Express	⚠️missing	-	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

fan-out fan-in 10 streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.415s (-12.4% 🟢)	2.139s (-5.1% 🟢)	0.000s (+Infinity% 🔺)	2.153s (-5.6% 🟢)	0.738s	28	1.00x
🐘 Postgres	Next.js (Turbopack)	1.816s (+5.1% 🔺)	2.349s (+3.9%)	0.000s (+Infinity% 🔺)	2.357s (+3.9%)	0.541s	26	1.28x
💻 Local	Next.js (Turbopack)	2.717s (-15.4% 🟢)	3.359s (-13.8% 🟢)	0.001s (+237.8% 🔺)	3.363s (-13.8% 🟢)	0.645s	18	1.92x
💻 Local	Express	3.096s (-7.1% 🟢)	3.903s (+1.7%)	0.001s (+33.3% 🔺)	3.905s (+1.6%)	0.809s	16	2.19x
💻 Local	Nitro	3.198s (+2.6%)	3.903s (~)	0.001s (+125.0% 🔺)	3.907s (~)	0.709s	16	2.26x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.089s (-27.7% 🟢)	6.217s (-27.5% 🟢)	0.000s (NaN%)	6.747s (-25.8% 🟢)	1.658s	9	1.00x
▲ Vercel	Next.js (Turbopack)	5.460s (+5.7% 🔺)	6.739s (+0.9%)	0.000s (-100.0% 🟢)	7.163s (-0.6%)	1.702s	9	1.07x
▲ Vercel	Express	⚠️missing	-	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World	🥇 Fastest Framework	Wins
💻 Local	Nitro	11/21
🐘 Postgres	Express	21/21
▲ Vercel	Nitro	14/21

Fastest World by Framework

Winner determined by most benchmark wins

Framework	🥇 Fastest World	Wins
Express	🐘 Postgres	18/21
Next.js (Turbopack)	🐘 Postgres	14/21
Nitro	💻 Local	21/21

Column Definitions

• Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
• TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
• Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
• Wall Time: Total testbench time (trigger workflow + poll for result)
• Overhead: Testbench overhead (Wall Time - Workflow Time)
• Samples: Number of benchmark iterations run
• vs Fastest: How much slower compared to the fastest configuration for this benchmark

Worlds:

• 💻 Local: In-memory filesystem world (local development)
• 🐘 Postgres: PostgreSQL database world (local development)
• ▲ Vercel: Vercel production/preview deployment
• 🌐 Turso: Community world (local development)
• 🌐 MongoDB: Community world (local development)
• 🌐 Redis: Community world (local development)
• 🌐 Jazz: Community world (local development)
• 🌐 Redis: Community world (local development)
• 🌐 Redis + BullMQ: Community world (local development)
• 🌐 Cloudflare: Community world (local development)
• 🌐 MySQL: Community world (local development)
• 🌐 Azure: Community world (local development)
• 🌐 NATS JetStream: Community world (local development)
• 🌐 Upstash: Community world (local development)

---

📋 View full workflow run

---

❌ Some benchmark jobs failed:

• Local: success
• Postgres: failure
• Vercel: failure

Check the workflow run for details.

[github-actions]

No backport to stable for 884bd8d (AI decision).

This commit is explicitly a forward-port of #2358 (which already landed on stable) to main. Backporting would be redundant since stable already has these test timeout fixes.

To override, re-run the Backport to stable workflow manually via workflow_dispatch and paste this commit SHA into the ref input:

884bd8db76746ae0482ad5870837177bb21fd3f7

[VaguelySerious]

Summary

Forward-port of the unit-test fixes from #2358 (stable). Only the first commit applies — main already has equivalents of the other two (cache-pnpm: 'false' on the matrix jobs, and community worlds disabled via if: false).

Both tests dominate Unit Tests (windows-latest) flakes on main (each also failed on the #2355/#2356 PR runs and recent main pushes):

• does not ack while the step-dispatch send is still in flight: vi.waitFor used its default 1s timeout, but the awaited sentinel sits behind a full VM workflow replay — regularly slower than 1s on 2-vCPU Windows runners (expected [] to include 'queue_dispatch_start'). Raised to 15s.
• should repeatedly replay a recorded step branch without looking ahead through Date: 200 batched VM replays (~7 CPU-seconds) starve past the 60s default timeout when competing with parallel vitest workers. Explicit 180s timeout.

Deadline raises only — replay counts and assertions unchanged. The workflow.test.ts diff is mostly indentation from switching the test to the options signature. Both files pass fully locally (86/86).

On stable, #2358's first CI run had Unit Tests (windows-latest) green with these fixes.

🤖 Generated with Claude Code

[changeset-bot]

🦋 Changeset detected

Latest commit: bca08d5

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 0 packages

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Not sure what this means? Click here to learn what changesets are.

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[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
example-nextjs-workflow-turbopack	Ready	Preview, Comment	Jun 11, 2026 12:16pm
example-nextjs-workflow-webpack	Ready	Preview, Comment	Jun 11, 2026 12:16pm
example-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-astro-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-express-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-fastify-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-hono-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-nitro-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-nuxt-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-sveltekit-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-tanstack-start-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-vite-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workflow-docs	Ready	Preview, Comment, Open in v0	Jun 11, 2026 12:16pm
workflow-swc-playground	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workflow-tarballs	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workflow-web	Ready	Preview, Comment	Jun 11, 2026 12:16pm

[github-actions]

🧪 E2E Test Results

✅ All tests passed

Summary

	Passed	Failed	Skipped	Total
✅ ▲ Vercel Production	1266	0	219	1485
✅ 💻 Local Development	1671	0	219	1890
✅ 📦 Local Production	1671	0	219	1890
✅ 🐘 Local Postgres	1671	0	219	1890
✅ 🪟 Windows	135	0	0	135
✅ 📋 Other	769	0	176	945
Total	7183	0	1052	8235

Details by Category

✅ ▲ Vercel Production

App	Passed	Failed	Skipped
✅ astro	109	0	26
✅ example	109	0	26
✅ express	109	0	26
✅ fastify	109	0	26
✅ hono	109	0	26
✅ nextjs-turbopack	133	0	2
✅ nextjs-webpack	133	0	2
✅ nitro	109	0	26
✅ nuxt	109	0	26
✅ sveltekit	128	0	7
✅ vite	109	0	26

✅ 💻 Local Development

App	Passed	Failed	Skipped
✅ astro-stable	110	0	25
✅ express-stable	110	0	25
✅ fastify-stable	110	0	25
✅ hono-stable	110	0	25
✅ nextjs-turbopack-canary	116	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	135	0	0
✅ nextjs-webpack-canary	116	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	135	0	0
✅ nitro-stable	110	0	25
✅ nuxt-stable	110	0	25
✅ sveltekit-stable	129	0	6
✅ vite-stable	110	0	25

✅ 📦 Local Production

App	Passed	Failed	Skipped
✅ astro-stable	110	0	25
✅ express-stable	110	0	25
✅ fastify-stable	110	0	25
✅ hono-stable	110	0	25
✅ nextjs-turbopack-canary	116	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	135	0	0
✅ nextjs-webpack-canary	116	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	135	0	0
✅ nitro-stable	110	0	25
✅ nuxt-stable	110	0	25
✅ sveltekit-stable	129	0	6
✅ vite-stable	110	0	25

✅ 🐘 Local Postgres

App	Passed	Failed	Skipped
✅ astro-stable	110	0	25
✅ express-stable	110	0	25
✅ fastify-stable	110	0	25
✅ hono-stable	110	0	25
✅ nextjs-turbopack-canary	116	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	135	0	0
✅ nextjs-webpack-canary	116	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	135	0	0
✅ nitro-stable	110	0	25
✅ nuxt-stable	110	0	25
✅ sveltekit-stable	129	0	6
✅ vite-stable	110	0	25

✅ 🪟 Windows

App	Passed	Failed	Skipped
✅ nextjs-turbopack	135	0	0

✅ 📋 Other

App	Passed	Failed	Skipped
✅ e2e-local-dev-nest-stable	110	0	25
✅ e2e-local-dev-tanstack-start-	110	0	25
✅ e2e-local-postgres-nest-stable	110	0	25
✅ e2e-local-postgres-tanstack-start-	110	0	25
✅ e2e-local-prod-nest-stable	110	0	25
✅ e2e-local-prod-tanstack-start-	110	0	25
✅ e2e-vercel-prod-tanstack-start	109	0	26

---

📋 View full workflow run

[github-actions]

📊 Benchmark Results

📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.

workflow with no steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	0.041s (-4.4%)	1.006s (~)	0.965s	10	1.00x
💻 Local	Express	0.042s (-2.5%)	1.007s (~)	0.965s	10	1.03x
🐘 Postgres	Express	0.063s (-5.1% 🟢)	1.014s (~)	0.951s	10	1.54x
💻 Local	Next.js (Turbopack)	0.063s (+14.9% 🔺)	1.007s (~)	0.943s	10	1.55x
🐘 Postgres	Next.js (Turbopack)	0.068s (-2.3%)	1.012s (~)	0.944s	10	1.67x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	0.318s (+21.5% 🔺)	2.140s (-12.1% 🟢)	1.823s	10	1.00x
▲ Vercel	Next.js (Turbopack)	0.326s (-1.0%)	2.119s (-9.5% 🟢)	1.792s	10	1.03x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 1 step

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	1.091s (~)	2.006s (~)	0.916s	10	1.00x
💻 Local	Express	1.094s (-0.7%)	2.007s (~)	0.913s	10	1.00x
🐘 Postgres	Express	1.107s (+1.4%)	2.010s (~)	0.903s	10	1.02x
💻 Local	Next.js (Turbopack)	1.131s (+2.0%)	2.006s (~)	0.876s	10	1.04x
🐘 Postgres	Next.js (Turbopack)	1.145s (~)	2.010s (~)	0.865s	10	1.05x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	1.734s (+10.7% 🔺)	3.486s (-1.2%)	1.752s	10	1.00x
▲ Vercel	Next.js (Turbopack)	1.745s (+4.8%)	3.321s (-18.6% 🟢)	1.576s	10	1.01x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 10 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	10.506s (~)	11.023s (~)	0.517s	3	1.00x
🐘 Postgres	Express	10.517s (-1.9%)	11.018s (-2.9%)	0.502s	3	1.00x
💻 Local	Express	10.564s (~)	11.024s (~)	0.460s	3	1.01x
💻 Local	Next.js (Turbopack)	10.754s (+1.4%)	11.022s (~)	0.268s	3	1.02x
🐘 Postgres	Next.js (Turbopack)	10.849s (~)	11.020s (~)	0.171s	3	1.03x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	13.458s (~)	14.617s (-9.2% 🟢)	1.160s	3	1.00x
▲ Vercel	Nitro	13.806s (+3.6%)	15.168s (-2.7%)	1.363s	2	1.03x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

workflow with 25 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	13.715s (-0.9%)	14.017s (-1.5%)	0.303s	5	1.00x
💻 Local	Nitro	13.741s (~)	14.028s (~)	0.287s	5	1.00x
💻 Local	Express	13.813s (-0.7%)	14.026s (-1.4%)	0.214s	5	1.01x
💻 Local	Next.js (Turbopack)	14.290s (+1.9%)	15.029s (+2.7%)	0.739s	4	1.04x
🐘 Postgres	Next.js (Turbopack)	14.431s (-1.1%)	15.021s (~)	0.590s	4	1.05x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	22.099s (-13.4% 🟢)	23.624s (-14.4% 🟢)	1.525s	3	1.00x
▲ Vercel	Next.js (Turbopack)	22.314s (-12.5% 🟢)	23.762s (-12.7% 🟢)	1.448s	3	1.01x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 50 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	12.452s (-1.2%)	13.025s (~)	0.573s	7	1.00x
💻 Local	Nitro	12.508s (+0.8%)	13.025s (~)	0.517s	7	1.00x
🐘 Postgres	Express	12.648s (-0.7%)	13.162s (-1.1%)	0.514s	7	1.02x
💻 Local	Next.js (Turbopack)	13.642s (+5.4% 🔺)	14.026s (+5.4% 🔺)	0.384s	7	1.10x
🐘 Postgres	Next.js (Turbopack)	14.121s (+2.6%)	14.595s (+4.1%)	0.474s	7	1.13x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	32.686s (+10.4% 🔺)	34.883s (+9.5% 🔺)	2.197s	3	1.00x
▲ Vercel	Nitro	32.710s (+12.6% 🔺)	35.283s (+12.4% 🔺)	2.573s	3	1.00x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

Promise.all with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.183s (-1.4%)	2.008s (-0.7%)	0.825s	15	1.00x
💻 Local	Nitro	1.189s (-2.0%)	2.006s (~)	0.818s	15	1.00x
💻 Local	Express	1.199s (-5.1% 🟢)	2.006s (~)	0.807s	15	1.01x
🐘 Postgres	Next.js (Turbopack)	1.268s (+1.4%)	2.007s (~)	0.739s	15	1.07x
💻 Local	Next.js (Turbopack)	1.327s (+8.5% 🔺)	2.006s (~)	0.679s	15	1.12x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.644s (-1.6%)	4.276s (+1.4%)	1.632s	8	1.00x
▲ Vercel	Nitro	2.755s (-0.6%)	4.215s (-2.9%)	1.460s	8	1.04x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

Promise.all with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.262s (-4.9%)	2.007s (~)	0.745s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.406s (~)	2.009s (~)	0.603s	15	1.11x
💻 Local	Express	1.705s (-9.4% 🟢)	2.006s (-9.7% 🟢)	0.302s	15	1.35x
💻 Local	Nitro	1.722s (+1.0%)	2.006s (-3.2%)	0.285s	15	1.36x
💻 Local	Next.js (Turbopack)	1.814s (+5.1% 🔺)	2.007s (~)	0.194s	15	1.44x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	3.941s (-4.0%)	5.515s (-10.2% 🟢)	1.574s	6	1.00x
▲ Vercel	Nitro	4.589s (+12.8% 🔺)	6.115s (-1.5%)	1.526s	5	1.16x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.409s (+1.1%)	2.008s (~)	0.600s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.814s (+3.1%)	2.511s (+9.4% 🔺)	0.697s	12	1.29x
💻 Local	Express	4.621s (-12.8% 🟢)	5.011s (-16.7% 🟢)	0.391s	6	3.28x
💻 Local	Nitro	4.792s (+1.6%)	5.344s (+6.7% 🔺)	0.553s	6	3.40x
💻 Local	Next.js (Turbopack)	5.441s (+23.8% 🔺)	6.015s (+20.0% 🔺)	0.573s	6	3.86x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.003s (-10.9% 🟢)	7.687s (-11.7% 🟢)	1.684s	5	1.00x
▲ Vercel	Next.js (Turbopack)	6.574s (+11.9% 🔺)	8.342s (+7.3% 🔺)	1.769s	4	1.09x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

Promise.race with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.199s (~)	2.009s (~)	0.810s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.236s (-2.4%)	2.008s (~)	0.773s	15	1.03x
💻 Local	Next.js (Turbopack)	1.372s (+5.1% 🔺)	2.006s (~)	0.634s	15	1.14x
💻 Local	Nitro	1.506s (-2.4%)	2.007s (~)	0.501s	15	1.26x
💻 Local	Express	1.532s (-7.5% 🟢)	2.006s (-3.3%)	0.474s	15	1.28x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.787s (-36.3% 🟢)	4.231s (-32.8% 🟢)	1.444s	8	1.00x
▲ Vercel	Nitro	3.087s (+15.5% 🔺)	4.692s (+8.3% 🔺)	1.606s	7	1.11x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

Promise.race with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.274s (+2.5%)	2.008s (~)	0.734s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.379s (-1.3%)	2.008s (~)	0.629s	15	1.08x
💻 Local	Nitro	1.998s (+13.7% 🔺)	2.393s (+15.5% 🔺)	0.395s	13	1.57x
💻 Local	Next.js (Turbopack)	2.020s (~)	2.735s (+9.1% 🔺)	0.715s	11	1.59x
💻 Local	Express	2.087s (-1.8%)	2.676s (+3.3%)	0.588s	12	1.64x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	3.582s (-12.5% 🟢)	5.073s (-15.5% 🟢)	1.491s	6	1.00x
▲ Vercel	Next.js (Turbopack)	5.023s (+11.1% 🔺)	6.737s (+9.2% 🔺)	1.714s	5	1.40x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

Promise.race with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.379s (-8.1% 🟢)	2.007s (-16.3% 🟢)	0.628s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.709s (+3.2%)	2.075s (~)	0.366s	15	1.24x
💻 Local	Nitro	5.100s (+7.5% 🔺)	5.513s (+3.2%)	0.413s	6	3.70x
💻 Local	Express	5.188s (-11.5% 🟢)	5.682s (-8.5% 🟢)	0.495s	6	3.76x
💻 Local	Next.js (Turbopack)	5.780s (+12.0% 🔺)	6.216s (+3.3%)	0.435s	5	4.19x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.705s (+15.7% 🔺)	7.433s (+10.3% 🔺)	1.728s	5	1.00x
▲ Vercel	Next.js (Turbopack)	5.992s (+3.5%)	8.177s (+7.9% 🔺)	2.186s	4	1.05x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.563s (-15.5% 🟢)	1.007s (-3.9%)	0.443s	60	1.00x
💻 Local	Express	0.584s (-10.9% 🟢)	1.005s (-3.3%)	0.420s	60	1.04x
💻 Local	Nitro	0.587s (-27.0% 🟢)	1.005s (-16.6% 🟢)	0.417s	60	1.04x
🐘 Postgres	Next.js (Turbopack)	0.814s (~)	1.007s (~)	0.193s	60	1.45x
💻 Local	Next.js (Turbopack)	0.848s (+21.8% 🔺)	1.004s (~)	0.157s	60	1.50x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.102s (-18.2% 🟢)	7.526s (-20.9% 🟢)	1.424s	8	1.00x
▲ Vercel	Next.js (Turbopack)	6.238s (+23.6% 🔺)	7.557s (+10.3% 🔺)	1.319s	8	1.02x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.314s (-14.5% 🟢)	2.008s (-6.7% 🟢)	0.693s	45	1.00x
💻 Local	Nitro	1.523s (+4.0%)	2.007s (~)	0.484s	45	1.16x
💻 Local	Express	1.544s (-3.0%)	2.006s (-1.1%)	0.463s	45	1.17x
🐘 Postgres	Next.js (Turbopack)	1.995s (+2.7%)	2.441s (+12.3% 🔺)	0.446s	37	1.52x
💻 Local	Next.js (Turbopack)	2.042s (+18.2% 🔺)	2.883s (+42.2% 🔺)	0.840s	32	1.55x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	14.400s (-2.5%)	16.028s (-5.3% 🟢)	1.628s	6	1.00x
▲ Vercel	Nitro	14.653s (+10.9% 🔺)	16.443s (+6.2% 🔺)	1.789s	6	1.02x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	2.649s (-9.0% 🟢)	3.086s (-12.8% 🟢)	0.437s	39	1.00x
💻 Local	Nitro	3.276s (+2.2%)	4.010s (~)	0.733s	30	1.24x
💻 Local	Express	3.338s (-2.4%)	4.043s (+0.8%)	0.705s	30	1.26x
🐘 Postgres	Next.js (Turbopack)	3.991s (+3.4%)	4.403s (+8.0% 🔺)	0.413s	28	1.51x
💻 Local	Next.js (Turbopack)	4.297s (+15.3% 🔺)	5.010s (+21.9% 🔺)	0.713s	24	1.62x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	29.987s (+0.7%)	32.403s (+1.3%)	2.416s	4	1.00x
▲ Vercel	Next.js (Turbopack)	31.663s (+17.3% 🔺)	33.691s (+15.1% 🔺)	2.028s	4	1.06x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.206s (-18.3% 🟢)	1.006s (~)	0.800s	60	1.00x
🐘 Postgres	Next.js (Turbopack)	0.276s (-2.2%)	1.006s (~)	0.731s	60	1.34x
💻 Local	Express	0.449s (-3.4%)	1.005s (~)	0.556s	60	2.18x
💻 Local	Nitro	0.462s (+8.9% 🔺)	1.005s (~)	0.543s	60	2.25x
💻 Local	Next.js (Turbopack)	0.560s (-8.4% 🟢)	1.005s (-3.2%)	0.445s	60	2.72x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.627s (+12.0% 🔺)	4.025s (-7.1% 🟢)	1.398s	16	1.00x
▲ Vercel	Next.js (Turbopack)	2.770s (+25.9% 🔺)	4.301s (+1.9%)	1.531s	14	1.05x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.342s (+0.8%)	1.007s (~)	0.665s	90	1.00x
🐘 Postgres	Next.js (Turbopack)	0.490s (+1.6%)	1.006s (~)	0.516s	90	1.43x
💻 Local	Nitro	2.161s (+4.7%)	2.687s (+1.9%)	0.525s	34	6.33x
💻 Local	Express	2.222s (+1.4%)	2.822s (~)	0.599s	32	6.50x
💻 Local	Next.js (Turbopack)	2.377s (-3.0%)	3.043s (-2.1%)	0.665s	30	6.96x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.355s (-87.8% 🟢)	6.982s (-84.8% 🟢)	1.628s	14	1.00x
▲ Vercel	Next.js (Turbopack)	7.232s (+15.3% 🔺)	8.603s (+1.2%)	1.371s	11	1.35x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.669s (+6.9% 🔺)	1.007s (-4.6%)	0.337s	120	1.00x
🐘 Postgres	Next.js (Turbopack)	1.009s (+3.0%)	1.814s (+12.8% 🔺)	0.805s	67	1.51x
💻 Local	Express	9.571s (-7.2% 🟢)	10.118s (-6.9% 🟢)	0.547s	12	14.30x
💻 Local	Nitro	9.653s (+10.8% 🔺)	10.194s (+9.2% 🔺)	0.542s	12	14.43x
💻 Local	Next.js (Turbopack)	10.148s (-1.6%)	10.777s (-4.6%)	0.629s	12	15.17x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	16.389s (-94.7% 🟢)	18.299s (-94.2% 🟢)	1.909s	7	1.00x
▲ Vercel	Next.js (Turbopack)	17.034s (-89.4% 🟢)	18.767s (-88.4% 🟢)	1.734s	7	1.04x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

Stream Benchmarks(includes TTFB metrics)

workflow with stream

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.161s (-2.7%)	1.997s (~)	0.001s (-96.8% 🟢)	2.011s (-1.6%)	0.849s	10	1.00x
💻 Local	Nitro	1.163s (+1.1%)	2.005s (~)	0.011s (+6.0% 🔺)	2.018s (~)	0.855s	10	1.00x
💻 Local	Express	1.169s (~)	2.004s (~)	0.010s (-21.9% 🟢)	2.017s (~)	0.848s	10	1.01x
💻 Local	Next.js (Turbopack)	1.201s (+2.8%)	2.003s (~)	0.012s (+15.8% 🔺)	2.019s (~)	0.818s	10	1.03x
🐘 Postgres	Next.js (Turbopack)	1.244s (+0.8%)	2.002s (~)	0.001s (-26.7% 🟢)	2.011s (~)	0.768s	10	1.07x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.212s (-1.4%)	2.920s (-17.8% 🟢)	1.194s (-90.4% 🟢)	4.591s (-72.2% 🟢)	2.379s	10	1.00x
▲ Vercel	Nitro	2.564s (+18.4% 🔺)	3.597s (+5.3% 🔺)	0.796s (+54.3% 🔺)	4.799s (+7.4% 🔺)	2.234s	10	1.16x
▲ Vercel	Express	⚠️missing	-	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

stream pipeline with 5 transform steps (1MB)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.573s (-9.5% 🟢)	2.003s (-6.5% 🟢)	0.005s (+69.7% 🔺)	2.027s (-6.2% 🟢)	0.455s	30	1.00x
💻 Local	Express	1.574s (-3.8%)	2.011s (~)	0.013s (+13.3% 🔺)	2.026s (~)	0.453s	30	1.00x
💻 Local	Nitro	1.577s (-9.5% 🟢)	2.010s (~)	0.014s (+53.7% 🔺)	2.026s (-7.8% 🟢)	0.449s	30	1.00x
💻 Local	Next.js (Turbopack)	1.724s (+5.1% 🔺)	2.010s (~)	0.011s (+5.9% 🔺)	2.024s (~)	0.300s	30	1.10x
🐘 Postgres	Next.js (Turbopack)	1.796s (+1.8%)	2.010s (~)	0.005s (+36.4% 🔺)	2.029s (~)	0.233s	30	1.14x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.038s (+5.1% 🔺)	7.079s (-6.8% 🟢)	0.254s (-24.8% 🟢)	7.873s (-7.2% 🟢)	1.834s	8	1.00x
▲ Vercel	Next.js (Turbopack)	6.125s (-3.9%)	7.322s (-7.7% 🟢)	0.178s (-50.8% 🟢)	7.911s (-10.8% 🟢)	1.786s	8	1.01x
▲ Vercel	Express	⚠️missing	-	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

10 parallel streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.708s (-27.6% 🟢)	1.048s (-26.6% 🟢)	0.000s (+22.8% 🔺)	1.061s (-26.7% 🟢)	0.354s	57	1.00x
🐘 Postgres	Next.js (Turbopack)	0.835s (~)	1.091s (+1.8%)	0.000s (+1.8%)	1.102s (+2.1%)	0.267s	55	1.18x
💻 Local	Express	1.388s (-6.4% 🟢)	2.014s (~)	0.000s (-46.7% 🟢)	2.016s (~)	0.628s	30	1.96x
💻 Local	Next.js (Turbopack)	1.456s (+0.6%)	2.013s (~)	0.001s (+100.0% 🔺)	2.016s (~)	0.560s	30	2.06x
💻 Local	Nitro	1.464s (+8.2% 🔺)	2.015s (~)	0.000s (-33.3% 🟢)	2.017s (~)	0.554s	30	2.07x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	3.260s (-9.5% 🟢)	4.513s (-11.0% 🟢)	0.000s (+Infinity% 🔺)	4.919s (-12.6% 🟢)	1.659s	13	1.00x
▲ Vercel	Next.js (Turbopack)	3.558s (+7.5% 🔺)	4.670s (-4.6%)	0.000s (+Infinity% 🔺)	5.106s (-6.5% 🟢)	1.548s	12	1.09x
▲ Vercel	Express	⚠️missing	-	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

fan-out fan-in 10 streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.415s (-12.4% 🟢)	2.139s (-5.1% 🟢)	0.000s (+Infinity% 🔺)	2.153s (-5.6% 🟢)	0.738s	28	1.00x
🐘 Postgres	Next.js (Turbopack)	1.816s (+5.1% 🔺)	2.349s (+3.9%)	0.000s (+Infinity% 🔺)	2.357s (+3.9%)	0.541s	26	1.28x
💻 Local	Next.js (Turbopack)	2.717s (-15.4% 🟢)	3.359s (-13.8% 🟢)	0.001s (+237.8% 🔺)	3.363s (-13.8% 🟢)	0.645s	18	1.92x
💻 Local	Express	3.096s (-7.1% 🟢)	3.903s (+1.7%)	0.001s (+33.3% 🔺)	3.905s (+1.6%)	0.809s	16	2.19x
💻 Local	Nitro	3.198s (+2.6%)	3.903s (~)	0.001s (+125.0% 🔺)	3.907s (~)	0.709s	16	2.26x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.089s (-27.7% 🟢)	6.217s (-27.5% 🟢)	0.000s (NaN%)	6.747s (-25.8% 🟢)	1.658s	9	1.00x
▲ Vercel	Next.js (Turbopack)	5.460s (+5.7% 🔺)	6.739s (+0.9%)	0.000s (-100.0% 🟢)	7.163s (-0.6%)	1.702s	9	1.07x
▲ Vercel	Express	⚠️missing	-	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World	🥇 Fastest Framework	Wins
💻 Local	Nitro	11/21
🐘 Postgres	Express	21/21
▲ Vercel	Nitro	14/21

Fastest World by Framework

Winner determined by most benchmark wins

Framework	🥇 Fastest World	Wins
Express	🐘 Postgres	18/21
Next.js (Turbopack)	🐘 Postgres	14/21
Nitro	💻 Local	21/21

Column Definitions

• Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
• TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
• Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
• Wall Time: Total testbench time (trigger workflow + poll for result)
• Overhead: Testbench overhead (Wall Time - Workflow Time)
• Samples: Number of benchmark iterations run
• vs Fastest: How much slower compared to the fastest configuration for this benchmark

Worlds:

• 💻 Local: In-memory filesystem world (local development)
• 🐘 Postgres: PostgreSQL database world (local development)
• ▲ Vercel: Vercel production/preview deployment
• 🌐 Turso: Community world (local development)
• 🌐 MongoDB: Community world (local development)
• 🌐 Redis: Community world (local development)
• 🌐 Jazz: Community world (local development)
• 🌐 Redis: Community world (local development)
• 🌐 Redis + BullMQ: Community world (local development)
• 🌐 Cloudflare: Community world (local development)
• 🌐 MySQL: Community world (local development)
• 🌐 Azure: Community world (local development)
• 🌐 NATS JetStream: Community world (local development)
• 🌐 Upstash: Community world (local development)

---

📋 View full workflow run

---

❌ Some benchmark jobs failed:

• Local: success
• Postgres: failure
• Vercel: failure

Check the workflow run for details.

[github-actions]

No backport to stable for 884bd8d (AI decision).

This commit is explicitly a forward-port of #2358 (which already landed on stable) to main. Backporting would be redundant since stable already has these test timeout fixes.

To override, re-run the Backport to stable workflow manually via workflow_dispatch and paste this commit SHA into the ref input:

884bd8db76746ae0482ad5870837177bb21fd3f7

[VaguelySerious]

Summary

Forward-port of the unit-test fixes from #2358 (stable). Only the first commit applies — main already has equivalents of the other two (cache-pnpm: 'false' on the matrix jobs, and community worlds disabled via if: false).

Both tests dominate Unit Tests (windows-latest) flakes on main (each also failed on the #2355/#2356 PR runs and recent main pushes):

• does not ack while the step-dispatch send is still in flight: vi.waitFor used its default 1s timeout, but the awaited sentinel sits behind a full VM workflow replay — regularly slower than 1s on 2-vCPU Windows runners (expected [] to include 'queue_dispatch_start'). Raised to 15s.
• should repeatedly replay a recorded step branch without looking ahead through Date: 200 batched VM replays (~7 CPU-seconds) starve past the 60s default timeout when competing with parallel vitest workers. Explicit 180s timeout.

Deadline raises only — replay counts and assertions unchanged. The workflow.test.ts diff is mostly indentation from switching the test to the options signature. Both files pass fully locally (86/86).

On stable, #2358's first CI run had Unit Tests (windows-latest) green with these fixes.

🤖 Generated with Claude Code

[changeset-bot]

🦋 Changeset detected

Latest commit: bca08d5

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 0 packages

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
example-nextjs-workflow-turbopack	Ready	Preview, Comment	Jun 11, 2026 12:16pm
example-nextjs-workflow-webpack	Ready	Preview, Comment	Jun 11, 2026 12:16pm
example-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-astro-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-express-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-fastify-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-hono-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-nitro-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-nuxt-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-sveltekit-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-tanstack-start-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-vite-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workflow-docs	Ready	Preview, Comment, Open in v0	Jun 11, 2026 12:16pm
workflow-swc-playground	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workflow-tarballs	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workflow-web	Ready	Preview, Comment	Jun 11, 2026 12:16pm

[github-actions]

🧪 E2E Test Results

✅ All tests passed

Summary

	Passed	Failed	Skipped	Total
✅ ▲ Vercel Production	1266	0	219	1485
✅ 💻 Local Development	1671	0	219	1890
✅ 📦 Local Production	1671	0	219	1890
✅ 🐘 Local Postgres	1671	0	219	1890
✅ 🪟 Windows	135	0	0	135
✅ 📋 Other	769	0	176	945
Total	7183	0	1052	8235

Details by Category

✅ ▲ Vercel Production

App	Passed	Failed	Skipped
✅ astro	109	0	26
✅ example	109	0	26
✅ express	109	0	26
✅ fastify	109	0	26
✅ hono	109	0	26
✅ nextjs-turbopack	133	0	2
✅ nextjs-webpack	133	0	2
✅ nitro	109	0	26
✅ nuxt	109	0	26
✅ sveltekit	128	0	7
✅ vite	109	0	26

✅ 💻 Local Development

App	Passed	Failed	Skipped
✅ astro-stable	110	0	25
✅ express-stable	110	0	25
✅ fastify-stable	110	0	25
✅ hono-stable	110	0	25
✅ nextjs-turbopack-canary	116	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	135	0	0
✅ nextjs-webpack-canary	116	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	135	0	0
✅ nitro-stable	110	0	25
✅ nuxt-stable	110	0	25
✅ sveltekit-stable	129	0	6
✅ vite-stable	110	0	25

✅ 📦 Local Production

App	Passed	Failed	Skipped
✅ astro-stable	110	0	25
✅ express-stable	110	0	25
✅ fastify-stable	110	0	25
✅ hono-stable	110	0	25
✅ nextjs-turbopack-canary	116	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	135	0	0
✅ nextjs-webpack-canary	116	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	135	0	0
✅ nitro-stable	110	0	25
✅ nuxt-stable	110	0	25
✅ sveltekit-stable	129	0	6
✅ vite-stable	110	0	25

✅ 🐘 Local Postgres

App	Passed	Failed	Skipped
✅ astro-stable	110	0	25
✅ express-stable	110	0	25
✅ fastify-stable	110	0	25
✅ hono-stable	110	0	25
✅ nextjs-turbopack-canary	116	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	135	0	0
✅ nextjs-webpack-canary	116	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	135	0	0
✅ nitro-stable	110	0	25
✅ nuxt-stable	110	0	25
✅ sveltekit-stable	129	0	6
✅ vite-stable	110	0	25

✅ 🪟 Windows

App	Passed	Failed	Skipped
✅ nextjs-turbopack	135	0	0

✅ 📋 Other

App	Passed	Failed	Skipped
✅ e2e-local-dev-nest-stable	110	0	25
✅ e2e-local-dev-tanstack-start-	110	0	25
✅ e2e-local-postgres-nest-stable	110	0	25
✅ e2e-local-postgres-tanstack-start-	110	0	25
✅ e2e-local-prod-nest-stable	110	0	25
✅ e2e-local-prod-tanstack-start-	110	0	25
✅ e2e-vercel-prod-tanstack-start	109	0	26

---

📋 View full workflow run

[github-actions]

📊 Benchmark Results

📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.

workflow with no steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	0.041s (-4.4%)	1.006s (~)	0.965s	10	1.00x
💻 Local	Express	0.042s (-2.5%)	1.007s (~)	0.965s	10	1.03x
🐘 Postgres	Express	0.063s (-5.1% 🟢)	1.014s (~)	0.951s	10	1.54x
💻 Local	Next.js (Turbopack)	0.063s (+14.9% 🔺)	1.007s (~)	0.943s	10	1.55x
🐘 Postgres	Next.js (Turbopack)	0.068s (-2.3%)	1.012s (~)	0.944s	10	1.67x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	0.318s (+21.5% 🔺)	2.140s (-12.1% 🟢)	1.823s	10	1.00x
▲ Vercel	Next.js (Turbopack)	0.326s (-1.0%)	2.119s (-9.5% 🟢)	1.792s	10	1.03x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 1 step

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	1.091s (~)	2.006s (~)	0.916s	10	1.00x
💻 Local	Express	1.094s (-0.7%)	2.007s (~)	0.913s	10	1.00x
🐘 Postgres	Express	1.107s (+1.4%)	2.010s (~)	0.903s	10	1.02x
💻 Local	Next.js (Turbopack)	1.131s (+2.0%)	2.006s (~)	0.876s	10	1.04x
🐘 Postgres	Next.js (Turbopack)	1.145s (~)	2.010s (~)	0.865s	10	1.05x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	1.734s (+10.7% 🔺)	3.486s (-1.2%)	1.752s	10	1.00x
▲ Vercel	Next.js (Turbopack)	1.745s (+4.8%)	3.321s (-18.6% 🟢)	1.576s	10	1.01x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 10 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	10.506s (~)	11.023s (~)	0.517s	3	1.00x
🐘 Postgres	Express	10.517s (-1.9%)	11.018s (-2.9%)	0.502s	3	1.00x
💻 Local	Express	10.564s (~)	11.024s (~)	0.460s	3	1.01x
💻 Local	Next.js (Turbopack)	10.754s (+1.4%)	11.022s (~)	0.268s	3	1.02x
🐘 Postgres	Next.js (Turbopack)	10.849s (~)	11.020s (~)	0.171s	3	1.03x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	13.458s (~)	14.617s (-9.2% 🟢)	1.160s	3	1.00x
▲ Vercel	Nitro	13.806s (+3.6%)	15.168s (-2.7%)	1.363s	2	1.03x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

workflow with 25 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	13.715s (-0.9%)	14.017s (-1.5%)	0.303s	5	1.00x
💻 Local	Nitro	13.741s (~)	14.028s (~)	0.287s	5	1.00x
💻 Local	Express	13.813s (-0.7%)	14.026s (-1.4%)	0.214s	5	1.01x
💻 Local	Next.js (Turbopack)	14.290s (+1.9%)	15.029s (+2.7%)	0.739s	4	1.04x
🐘 Postgres	Next.js (Turbopack)	14.431s (-1.1%)	15.021s (~)	0.590s	4	1.05x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	22.099s (-13.4% 🟢)	23.624s (-14.4% 🟢)	1.525s	3	1.00x
▲ Vercel	Next.js (Turbopack)	22.314s (-12.5% 🟢)	23.762s (-12.7% 🟢)	1.448s	3	1.01x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 50 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	12.452s (-1.2%)	13.025s (~)	0.573s	7	1.00x
💻 Local	Nitro	12.508s (+0.8%)	13.025s (~)	0.517s	7	1.00x
🐘 Postgres	Express	12.648s (-0.7%)	13.162s (-1.1%)	0.514s	7	1.02x
💻 Local	Next.js (Turbopack)	13.642s (+5.4% 🔺)	14.026s (+5.4% 🔺)	0.384s	7	1.10x
🐘 Postgres	Next.js (Turbopack)	14.121s (+2.6%)	14.595s (+4.1%)	0.474s	7	1.13x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	32.686s (+10.4% 🔺)	34.883s (+9.5% 🔺)	2.197s	3	1.00x
▲ Vercel	Nitro	32.710s (+12.6% 🔺)	35.283s (+12.4% 🔺)	2.573s	3	1.00x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

Promise.all with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.183s (-1.4%)	2.008s (-0.7%)	0.825s	15	1.00x
💻 Local	Nitro	1.189s (-2.0%)	2.006s (~)	0.818s	15	1.00x
💻 Local	Express	1.199s (-5.1% 🟢)	2.006s (~)	0.807s	15	1.01x
🐘 Postgres	Next.js (Turbopack)	1.268s (+1.4%)	2.007s (~)	0.739s	15	1.07x
💻 Local	Next.js (Turbopack)	1.327s (+8.5% 🔺)	2.006s (~)	0.679s	15	1.12x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.644s (-1.6%)	4.276s (+1.4%)	1.632s	8	1.00x
▲ Vercel	Nitro	2.755s (-0.6%)	4.215s (-2.9%)	1.460s	8	1.04x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

Promise.all with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.262s (-4.9%)	2.007s (~)	0.745s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.406s (~)	2.009s (~)	0.603s	15	1.11x
💻 Local	Express	1.705s (-9.4% 🟢)	2.006s (-9.7% 🟢)	0.302s	15	1.35x
💻 Local	Nitro	1.722s (+1.0%)	2.006s (-3.2%)	0.285s	15	1.36x
💻 Local	Next.js (Turbopack)	1.814s (+5.1% 🔺)	2.007s (~)	0.194s	15	1.44x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	3.941s (-4.0%)	5.515s (-10.2% 🟢)	1.574s	6	1.00x
▲ Vercel	Nitro	4.589s (+12.8% 🔺)	6.115s (-1.5%)	1.526s	5	1.16x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.409s (+1.1%)	2.008s (~)	0.600s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.814s (+3.1%)	2.511s (+9.4% 🔺)	0.697s	12	1.29x
💻 Local	Express	4.621s (-12.8% 🟢)	5.011s (-16.7% 🟢)	0.391s	6	3.28x
💻 Local	Nitro	4.792s (+1.6%)	5.344s (+6.7% 🔺)	0.553s	6	3.40x
💻 Local	Next.js (Turbopack)	5.441s (+23.8% 🔺)	6.015s (+20.0% 🔺)	0.573s	6	3.86x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.003s (-10.9% 🟢)	7.687s (-11.7% 🟢)	1.684s	5	1.00x
▲ Vercel	Next.js (Turbopack)	6.574s (+11.9% 🔺)	8.342s (+7.3% 🔺)	1.769s	4	1.09x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

Promise.race with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.199s (~)	2.009s (~)	0.810s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.236s (-2.4%)	2.008s (~)	0.773s	15	1.03x
💻 Local	Next.js (Turbopack)	1.372s (+5.1% 🔺)	2.006s (~)	0.634s	15	1.14x
💻 Local	Nitro	1.506s (-2.4%)	2.007s (~)	0.501s	15	1.26x
💻 Local	Express	1.532s (-7.5% 🟢)	2.006s (-3.3%)	0.474s	15	1.28x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.787s (-36.3% 🟢)	4.231s (-32.8% 🟢)	1.444s	8	1.00x
▲ Vercel	Nitro	3.087s (+15.5% 🔺)	4.692s (+8.3% 🔺)	1.606s	7	1.11x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

Promise.race with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.274s (+2.5%)	2.008s (~)	0.734s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.379s (-1.3%)	2.008s (~)	0.629s	15	1.08x
💻 Local	Nitro	1.998s (+13.7% 🔺)	2.393s (+15.5% 🔺)	0.395s	13	1.57x
💻 Local	Next.js (Turbopack)	2.020s (~)	2.735s (+9.1% 🔺)	0.715s	11	1.59x
💻 Local	Express	2.087s (-1.8%)	2.676s (+3.3%)	0.588s	12	1.64x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	3.582s (-12.5% 🟢)	5.073s (-15.5% 🟢)	1.491s	6	1.00x
▲ Vercel	Next.js (Turbopack)	5.023s (+11.1% 🔺)	6.737s (+9.2% 🔺)	1.714s	5	1.40x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

Promise.race with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.379s (-8.1% 🟢)	2.007s (-16.3% 🟢)	0.628s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.709s (+3.2%)	2.075s (~)	0.366s	15	1.24x
💻 Local	Nitro	5.100s (+7.5% 🔺)	5.513s (+3.2%)	0.413s	6	3.70x
💻 Local	Express	5.188s (-11.5% 🟢)	5.682s (-8.5% 🟢)	0.495s	6	3.76x
💻 Local	Next.js (Turbopack)	5.780s (+12.0% 🔺)	6.216s (+3.3%)	0.435s	5	4.19x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.705s (+15.7% 🔺)	7.433s (+10.3% 🔺)	1.728s	5	1.00x
▲ Vercel	Next.js (Turbopack)	5.992s (+3.5%)	8.177s (+7.9% 🔺)	2.186s	4	1.05x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.563s (-15.5% 🟢)	1.007s (-3.9%)	0.443s	60	1.00x
💻 Local	Express	0.584s (-10.9% 🟢)	1.005s (-3.3%)	0.420s	60	1.04x
💻 Local	Nitro	0.587s (-27.0% 🟢)	1.005s (-16.6% 🟢)	0.417s	60	1.04x
🐘 Postgres	Next.js (Turbopack)	0.814s (~)	1.007s (~)	0.193s	60	1.45x
💻 Local	Next.js (Turbopack)	0.848s (+21.8% 🔺)	1.004s (~)	0.157s	60	1.50x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.102s (-18.2% 🟢)	7.526s (-20.9% 🟢)	1.424s	8	1.00x
▲ Vercel	Next.js (Turbopack)	6.238s (+23.6% 🔺)	7.557s (+10.3% 🔺)	1.319s	8	1.02x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.314s (-14.5% 🟢)	2.008s (-6.7% 🟢)	0.693s	45	1.00x
💻 Local	Nitro	1.523s (+4.0%)	2.007s (~)	0.484s	45	1.16x
💻 Local	Express	1.544s (-3.0%)	2.006s (-1.1%)	0.463s	45	1.17x
🐘 Postgres	Next.js (Turbopack)	1.995s (+2.7%)	2.441s (+12.3% 🔺)	0.446s	37	1.52x
💻 Local	Next.js (Turbopack)	2.042s (+18.2% 🔺)	2.883s (+42.2% 🔺)	0.840s	32	1.55x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	14.400s (-2.5%)	16.028s (-5.3% 🟢)	1.628s	6	1.00x
▲ Vercel	Nitro	14.653s (+10.9% 🔺)	16.443s (+6.2% 🔺)	1.789s	6	1.02x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	2.649s (-9.0% 🟢)	3.086s (-12.8% 🟢)	0.437s	39	1.00x
💻 Local	Nitro	3.276s (+2.2%)	4.010s (~)	0.733s	30	1.24x
💻 Local	Express	3.338s (-2.4%)	4.043s (+0.8%)	0.705s	30	1.26x
🐘 Postgres	Next.js (Turbopack)	3.991s (+3.4%)	4.403s (+8.0% 🔺)	0.413s	28	1.51x
💻 Local	Next.js (Turbopack)	4.297s (+15.3% 🔺)	5.010s (+21.9% 🔺)	0.713s	24	1.62x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	29.987s (+0.7%)	32.403s (+1.3%)	2.416s	4	1.00x
▲ Vercel	Next.js (Turbopack)	31.663s (+17.3% 🔺)	33.691s (+15.1% 🔺)	2.028s	4	1.06x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.206s (-18.3% 🟢)	1.006s (~)	0.800s	60	1.00x
🐘 Postgres	Next.js (Turbopack)	0.276s (-2.2%)	1.006s (~)	0.731s	60	1.34x
💻 Local	Express	0.449s (-3.4%)	1.005s (~)	0.556s	60	2.18x
💻 Local	Nitro	0.462s (+8.9% 🔺)	1.005s (~)	0.543s	60	2.25x
💻 Local	Next.js (Turbopack)	0.560s (-8.4% 🟢)	1.005s (-3.2%)	0.445s	60	2.72x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.627s (+12.0% 🔺)	4.025s (-7.1% 🟢)	1.398s	16	1.00x
▲ Vercel	Next.js (Turbopack)	2.770s (+25.9% 🔺)	4.301s (+1.9%)	1.531s	14	1.05x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.342s (+0.8%)	1.007s (~)	0.665s	90	1.00x
🐘 Postgres	Next.js (Turbopack)	0.490s (+1.6%)	1.006s (~)	0.516s	90	1.43x
💻 Local	Nitro	2.161s (+4.7%)	2.687s (+1.9%)	0.525s	34	6.33x
💻 Local	Express	2.222s (+1.4%)	2.822s (~)	0.599s	32	6.50x
💻 Local	Next.js (Turbopack)	2.377s (-3.0%)	3.043s (-2.1%)	0.665s	30	6.96x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.355s (-87.8% 🟢)	6.982s (-84.8% 🟢)	1.628s	14	1.00x
▲ Vercel	Next.js (Turbopack)	7.232s (+15.3% 🔺)	8.603s (+1.2%)	1.371s	11	1.35x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.669s (+6.9% 🔺)	1.007s (-4.6%)	0.337s	120	1.00x
🐘 Postgres	Next.js (Turbopack)	1.009s (+3.0%)	1.814s (+12.8% 🔺)	0.805s	67	1.51x
💻 Local	Express	9.571s (-7.2% 🟢)	10.118s (-6.9% 🟢)	0.547s	12	14.30x
💻 Local	Nitro	9.653s (+10.8% 🔺)	10.194s (+9.2% 🔺)	0.542s	12	14.43x
💻 Local	Next.js (Turbopack)	10.148s (-1.6%)	10.777s (-4.6%)	0.629s	12	15.17x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	16.389s (-94.7% 🟢)	18.299s (-94.2% 🟢)	1.909s	7	1.00x
▲ Vercel	Next.js (Turbopack)	17.034s (-89.4% 🟢)	18.767s (-88.4% 🟢)	1.734s	7	1.04x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

Stream Benchmarks(includes TTFB metrics)

workflow with stream

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.161s (-2.7%)	1.997s (~)	0.001s (-96.8% 🟢)	2.011s (-1.6%)	0.849s	10	1.00x
💻 Local	Nitro	1.163s (+1.1%)	2.005s (~)	0.011s (+6.0% 🔺)	2.018s (~)	0.855s	10	1.00x
💻 Local	Express	1.169s (~)	2.004s (~)	0.010s (-21.9% 🟢)	2.017s (~)	0.848s	10	1.01x
💻 Local	Next.js (Turbopack)	1.201s (+2.8%)	2.003s (~)	0.012s (+15.8% 🔺)	2.019s (~)	0.818s	10	1.03x
🐘 Postgres	Next.js (Turbopack)	1.244s (+0.8%)	2.002s (~)	0.001s (-26.7% 🟢)	2.011s (~)	0.768s	10	1.07x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.212s (-1.4%)	2.920s (-17.8% 🟢)	1.194s (-90.4% 🟢)	4.591s (-72.2% 🟢)	2.379s	10	1.00x
▲ Vercel	Nitro	2.564s (+18.4% 🔺)	3.597s (+5.3% 🔺)	0.796s (+54.3% 🔺)	4.799s (+7.4% 🔺)	2.234s	10	1.16x
▲ Vercel	Express	⚠️missing	-	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

stream pipeline with 5 transform steps (1MB)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.573s (-9.5% 🟢)	2.003s (-6.5% 🟢)	0.005s (+69.7% 🔺)	2.027s (-6.2% 🟢)	0.455s	30	1.00x
💻 Local	Express	1.574s (-3.8%)	2.011s (~)	0.013s (+13.3% 🔺)	2.026s (~)	0.453s	30	1.00x
💻 Local	Nitro	1.577s (-9.5% 🟢)	2.010s (~)	0.014s (+53.7% 🔺)	2.026s (-7.8% 🟢)	0.449s	30	1.00x
💻 Local	Next.js (Turbopack)	1.724s (+5.1% 🔺)	2.010s (~)	0.011s (+5.9% 🔺)	2.024s (~)	0.300s	30	1.10x
🐘 Postgres	Next.js (Turbopack)	1.796s (+1.8%)	2.010s (~)	0.005s (+36.4% 🔺)	2.029s (~)	0.233s	30	1.14x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.038s (+5.1% 🔺)	7.079s (-6.8% 🟢)	0.254s (-24.8% 🟢)	7.873s (-7.2% 🟢)	1.834s	8	1.00x
▲ Vercel	Next.js (Turbopack)	6.125s (-3.9%)	7.322s (-7.7% 🟢)	0.178s (-50.8% 🟢)	7.911s (-10.8% 🟢)	1.786s	8	1.01x
▲ Vercel	Express	⚠️missing	-	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

10 parallel streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.708s (-27.6% 🟢)	1.048s (-26.6% 🟢)	0.000s (+22.8% 🔺)	1.061s (-26.7% 🟢)	0.354s	57	1.00x
🐘 Postgres	Next.js (Turbopack)	0.835s (~)	1.091s (+1.8%)	0.000s (+1.8%)	1.102s (+2.1%)	0.267s	55	1.18x
💻 Local	Express	1.388s (-6.4% 🟢)	2.014s (~)	0.000s (-46.7% 🟢)	2.016s (~)	0.628s	30	1.96x
💻 Local	Next.js (Turbopack)	1.456s (+0.6%)	2.013s (~)	0.001s (+100.0% 🔺)	2.016s (~)	0.560s	30	2.06x
💻 Local	Nitro	1.464s (+8.2% 🔺)	2.015s (~)	0.000s (-33.3% 🟢)	2.017s (~)	0.554s	30	2.07x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	3.260s (-9.5% 🟢)	4.513s (-11.0% 🟢)	0.000s (+Infinity% 🔺)	4.919s (-12.6% 🟢)	1.659s	13	1.00x
▲ Vercel	Next.js (Turbopack)	3.558s (+7.5% 🔺)	4.670s (-4.6%)	0.000s (+Infinity% 🔺)	5.106s (-6.5% 🟢)	1.548s	12	1.09x
▲ Vercel	Express	⚠️missing	-	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

fan-out fan-in 10 streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.415s (-12.4% 🟢)	2.139s (-5.1% 🟢)	0.000s (+Infinity% 🔺)	2.153s (-5.6% 🟢)	0.738s	28	1.00x
🐘 Postgres	Next.js (Turbopack)	1.816s (+5.1% 🔺)	2.349s (+3.9%)	0.000s (+Infinity% 🔺)	2.357s (+3.9%)	0.541s	26	1.28x
💻 Local	Next.js (Turbopack)	2.717s (-15.4% 🟢)	3.359s (-13.8% 🟢)	0.001s (+237.8% 🔺)	3.363s (-13.8% 🟢)	0.645s	18	1.92x
💻 Local	Express	3.096s (-7.1% 🟢)	3.903s (+1.7%)	0.001s (+33.3% 🔺)	3.905s (+1.6%)	0.809s	16	2.19x
💻 Local	Nitro	3.198s (+2.6%)	3.903s (~)	0.001s (+125.0% 🔺)	3.907s (~)	0.709s	16	2.26x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.089s (-27.7% 🟢)	6.217s (-27.5% 🟢)	0.000s (NaN%)	6.747s (-25.8% 🟢)	1.658s	9	1.00x
▲ Vercel	Next.js (Turbopack)	5.460s (+5.7% 🔺)	6.739s (+0.9%)	0.000s (-100.0% 🟢)	7.163s (-0.6%)	1.702s	9	1.07x
▲ Vercel	Express	⚠️missing	-	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World	🥇 Fastest Framework	Wins
💻 Local	Nitro	11/21
🐘 Postgres	Express	21/21
▲ Vercel	Nitro	14/21

Fastest World by Framework

Winner determined by most benchmark wins

Framework	🥇 Fastest World	Wins
Express	🐘 Postgres	18/21
Next.js (Turbopack)	🐘 Postgres	14/21
Nitro	💻 Local	21/21

Column Definitions

• Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
• TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
• Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
• Wall Time: Total testbench time (trigger workflow + poll for result)
• Overhead: Testbench overhead (Wall Time - Workflow Time)
• Samples: Number of benchmark iterations run
• vs Fastest: How much slower compared to the fastest configuration for this benchmark

Worlds:

• 💻 Local: In-memory filesystem world (local development)
• 🐘 Postgres: PostgreSQL database world (local development)
• ▲ Vercel: Vercel production/preview deployment
• 🌐 Turso: Community world (local development)
• 🌐 MongoDB: Community world (local development)
• 🌐 Redis: Community world (local development)
• 🌐 Jazz: Community world (local development)
• 🌐 Redis: Community world (local development)
• 🌐 Redis + BullMQ: Community world (local development)
• 🌐 Cloudflare: Community world (local development)
• 🌐 MySQL: Community world (local development)
• 🌐 Azure: Community world (local development)
• 🌐 NATS JetStream: Community world (local development)
• 🌐 Upstash: Community world (local development)

---

📋 View full workflow run

---

❌ Some benchmark jobs failed:

• Local: success
• Postgres: failure
• Vercel: failure

Check the workflow run for details.

[github-actions]

No backport to stable for 884bd8d (AI decision).

This commit is explicitly a forward-port of #2358 (which already landed on stable) to main. Backporting would be redundant since stable already has these test timeout fixes.

To override, re-run the Backport to stable workflow manually via workflow_dispatch and paste this commit SHA into the ref input:

884bd8db76746ae0482ad5870837177bb21fd3f7

[VaguelySerious]

Summary

Forward-port of the unit-test fixes from #2358 (stable). Only the first commit applies — main already has equivalents of the other two (cache-pnpm: 'false' on the matrix jobs, and community worlds disabled via if: false).

Both tests dominate Unit Tests (windows-latest) flakes on main (each also failed on the #2355/#2356 PR runs and recent main pushes):

• does not ack while the step-dispatch send is still in flight: vi.waitFor used its default 1s timeout, but the awaited sentinel sits behind a full VM workflow replay — regularly slower than 1s on 2-vCPU Windows runners (expected [] to include 'queue_dispatch_start'). Raised to 15s.
• should repeatedly replay a recorded step branch without looking ahead through Date: 200 batched VM replays (~7 CPU-seconds) starve past the 60s default timeout when competing with parallel vitest workers. Explicit 180s timeout.

Deadline raises only — replay counts and assertions unchanged. The workflow.test.ts diff is mostly indentation from switching the test to the options signature. Both files pass fully locally (86/86).

On stable, #2358's first CI run had Unit Tests (windows-latest) green with these fixes.

🤖 Generated with Claude Code

[changeset-bot]

🦋 Changeset detected

Latest commit: bca08d5

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 0 packages

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
example-nextjs-workflow-turbopack	Ready	Preview, Comment	Jun 11, 2026 12:16pm
example-nextjs-workflow-webpack	Ready	Preview, Comment	Jun 11, 2026 12:16pm
example-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-astro-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-express-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-fastify-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-hono-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-nitro-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-nuxt-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-sveltekit-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-tanstack-start-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workbench-vite-workflow	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workflow-docs	Ready	Preview, Comment, Open in v0	Jun 11, 2026 12:16pm
workflow-swc-playground	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workflow-tarballs	Ready	Preview, Comment	Jun 11, 2026 12:16pm
workflow-web	Ready	Preview, Comment	Jun 11, 2026 12:16pm

[github-actions]

🧪 E2E Test Results

✅ All tests passed

Summary

	Passed	Failed	Skipped	Total
✅ ▲ Vercel Production	1266	0	219	1485
✅ 💻 Local Development	1671	0	219	1890
✅ 📦 Local Production	1671	0	219	1890
✅ 🐘 Local Postgres	1671	0	219	1890
✅ 🪟 Windows	135	0	0	135
✅ 📋 Other	769	0	176	945
Total	7183	0	1052	8235

Details by Category

✅ ▲ Vercel Production

App	Passed	Failed	Skipped
✅ astro	109	0	26
✅ example	109	0	26
✅ express	109	0	26
✅ fastify	109	0	26
✅ hono	109	0	26
✅ nextjs-turbopack	133	0	2
✅ nextjs-webpack	133	0	2
✅ nitro	109	0	26
✅ nuxt	109	0	26
✅ sveltekit	128	0	7
✅ vite	109	0	26

✅ 💻 Local Development

App	Passed	Failed	Skipped
✅ astro-stable	110	0	25
✅ express-stable	110	0	25
✅ fastify-stable	110	0	25
✅ hono-stable	110	0	25
✅ nextjs-turbopack-canary	116	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	135	0	0
✅ nextjs-webpack-canary	116	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	135	0	0
✅ nitro-stable	110	0	25
✅ nuxt-stable	110	0	25
✅ sveltekit-stable	129	0	6
✅ vite-stable	110	0	25

✅ 📦 Local Production

App	Passed	Failed	Skipped
✅ astro-stable	110	0	25
✅ express-stable	110	0	25
✅ fastify-stable	110	0	25
✅ hono-stable	110	0	25
✅ nextjs-turbopack-canary	116	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	135	0	0
✅ nextjs-webpack-canary	116	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	135	0	0
✅ nitro-stable	110	0	25
✅ nuxt-stable	110	0	25
✅ sveltekit-stable	129	0	6
✅ vite-stable	110	0	25

✅ 🐘 Local Postgres

App	Passed	Failed	Skipped
✅ astro-stable	110	0	25
✅ express-stable	110	0	25
✅ fastify-stable	110	0	25
✅ hono-stable	110	0	25
✅ nextjs-turbopack-canary	116	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	135	0	0
✅ nextjs-webpack-canary	116	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	135	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	135	0	0
✅ nitro-stable	110	0	25
✅ nuxt-stable	110	0	25
✅ sveltekit-stable	129	0	6
✅ vite-stable	110	0	25

✅ 🪟 Windows

App	Passed	Failed	Skipped
✅ nextjs-turbopack	135	0	0

✅ 📋 Other

App	Passed	Failed	Skipped
✅ e2e-local-dev-nest-stable	110	0	25
✅ e2e-local-dev-tanstack-start-	110	0	25
✅ e2e-local-postgres-nest-stable	110	0	25
✅ e2e-local-postgres-tanstack-start-	110	0	25
✅ e2e-local-prod-nest-stable	110	0	25
✅ e2e-local-prod-tanstack-start-	110	0	25
✅ e2e-vercel-prod-tanstack-start	109	0	26

---

📋 View full workflow run

[github-actions]

📊 Benchmark Results

📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.

workflow with no steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	0.041s (-4.4%)	1.006s (~)	0.965s	10	1.00x
💻 Local	Express	0.042s (-2.5%)	1.007s (~)	0.965s	10	1.03x
🐘 Postgres	Express	0.063s (-5.1% 🟢)	1.014s (~)	0.951s	10	1.54x
💻 Local	Next.js (Turbopack)	0.063s (+14.9% 🔺)	1.007s (~)	0.943s	10	1.55x
🐘 Postgres	Next.js (Turbopack)	0.068s (-2.3%)	1.012s (~)	0.944s	10	1.67x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	0.318s (+21.5% 🔺)	2.140s (-12.1% 🟢)	1.823s	10	1.00x
▲ Vercel	Next.js (Turbopack)	0.326s (-1.0%)	2.119s (-9.5% 🟢)	1.792s	10	1.03x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 1 step

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	1.091s (~)	2.006s (~)	0.916s	10	1.00x
💻 Local	Express	1.094s (-0.7%)	2.007s (~)	0.913s	10	1.00x
🐘 Postgres	Express	1.107s (+1.4%)	2.010s (~)	0.903s	10	1.02x
💻 Local	Next.js (Turbopack)	1.131s (+2.0%)	2.006s (~)	0.876s	10	1.04x
🐘 Postgres	Next.js (Turbopack)	1.145s (~)	2.010s (~)	0.865s	10	1.05x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	1.734s (+10.7% 🔺)	3.486s (-1.2%)	1.752s	10	1.00x
▲ Vercel	Next.js (Turbopack)	1.745s (+4.8%)	3.321s (-18.6% 🟢)	1.576s	10	1.01x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 10 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	10.506s (~)	11.023s (~)	0.517s	3	1.00x
🐘 Postgres	Express	10.517s (-1.9%)	11.018s (-2.9%)	0.502s	3	1.00x
💻 Local	Express	10.564s (~)	11.024s (~)	0.460s	3	1.01x
💻 Local	Next.js (Turbopack)	10.754s (+1.4%)	11.022s (~)	0.268s	3	1.02x
🐘 Postgres	Next.js (Turbopack)	10.849s (~)	11.020s (~)	0.171s	3	1.03x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	13.458s (~)	14.617s (-9.2% 🟢)	1.160s	3	1.00x
▲ Vercel	Nitro	13.806s (+3.6%)	15.168s (-2.7%)	1.363s	2	1.03x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

workflow with 25 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	13.715s (-0.9%)	14.017s (-1.5%)	0.303s	5	1.00x
💻 Local	Nitro	13.741s (~)	14.028s (~)	0.287s	5	1.00x
💻 Local	Express	13.813s (-0.7%)	14.026s (-1.4%)	0.214s	5	1.01x
💻 Local	Next.js (Turbopack)	14.290s (+1.9%)	15.029s (+2.7%)	0.739s	4	1.04x
🐘 Postgres	Next.js (Turbopack)	14.431s (-1.1%)	15.021s (~)	0.590s	4	1.05x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	22.099s (-13.4% 🟢)	23.624s (-14.4% 🟢)	1.525s	3	1.00x
▲ Vercel	Next.js (Turbopack)	22.314s (-12.5% 🟢)	23.762s (-12.7% 🟢)	1.448s	3	1.01x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 50 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	12.452s (-1.2%)	13.025s (~)	0.573s	7	1.00x
💻 Local	Nitro	12.508s (+0.8%)	13.025s (~)	0.517s	7	1.00x
🐘 Postgres	Express	12.648s (-0.7%)	13.162s (-1.1%)	0.514s	7	1.02x
💻 Local	Next.js (Turbopack)	13.642s (+5.4% 🔺)	14.026s (+5.4% 🔺)	0.384s	7	1.10x
🐘 Postgres	Next.js (Turbopack)	14.121s (+2.6%)	14.595s (+4.1%)	0.474s	7	1.13x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	32.686s (+10.4% 🔺)	34.883s (+9.5% 🔺)	2.197s	3	1.00x
▲ Vercel	Nitro	32.710s (+12.6% 🔺)	35.283s (+12.4% 🔺)	2.573s	3	1.00x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

Promise.all with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.183s (-1.4%)	2.008s (-0.7%)	0.825s	15	1.00x
💻 Local	Nitro	1.189s (-2.0%)	2.006s (~)	0.818s	15	1.00x
💻 Local	Express	1.199s (-5.1% 🟢)	2.006s (~)	0.807s	15	1.01x
🐘 Postgres	Next.js (Turbopack)	1.268s (+1.4%)	2.007s (~)	0.739s	15	1.07x
💻 Local	Next.js (Turbopack)	1.327s (+8.5% 🔺)	2.006s (~)	0.679s	15	1.12x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.644s (-1.6%)	4.276s (+1.4%)	1.632s	8	1.00x
▲ Vercel	Nitro	2.755s (-0.6%)	4.215s (-2.9%)	1.460s	8	1.04x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

Promise.all with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.262s (-4.9%)	2.007s (~)	0.745s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.406s (~)	2.009s (~)	0.603s	15	1.11x
💻 Local	Express	1.705s (-9.4% 🟢)	2.006s (-9.7% 🟢)	0.302s	15	1.35x
💻 Local	Nitro	1.722s (+1.0%)	2.006s (-3.2%)	0.285s	15	1.36x
💻 Local	Next.js (Turbopack)	1.814s (+5.1% 🔺)	2.007s (~)	0.194s	15	1.44x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	3.941s (-4.0%)	5.515s (-10.2% 🟢)	1.574s	6	1.00x
▲ Vercel	Nitro	4.589s (+12.8% 🔺)	6.115s (-1.5%)	1.526s	5	1.16x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.409s (+1.1%)	2.008s (~)	0.600s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.814s (+3.1%)	2.511s (+9.4% 🔺)	0.697s	12	1.29x
💻 Local	Express	4.621s (-12.8% 🟢)	5.011s (-16.7% 🟢)	0.391s	6	3.28x
💻 Local	Nitro	4.792s (+1.6%)	5.344s (+6.7% 🔺)	0.553s	6	3.40x
💻 Local	Next.js (Turbopack)	5.441s (+23.8% 🔺)	6.015s (+20.0% 🔺)	0.573s	6	3.86x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.003s (-10.9% 🟢)	7.687s (-11.7% 🟢)	1.684s	5	1.00x
▲ Vercel	Next.js (Turbopack)	6.574s (+11.9% 🔺)	8.342s (+7.3% 🔺)	1.769s	4	1.09x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

Promise.race with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.199s (~)	2.009s (~)	0.810s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.236s (-2.4%)	2.008s (~)	0.773s	15	1.03x
💻 Local	Next.js (Turbopack)	1.372s (+5.1% 🔺)	2.006s (~)	0.634s	15	1.14x
💻 Local	Nitro	1.506s (-2.4%)	2.007s (~)	0.501s	15	1.26x
💻 Local	Express	1.532s (-7.5% 🟢)	2.006s (-3.3%)	0.474s	15	1.28x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.787s (-36.3% 🟢)	4.231s (-32.8% 🟢)	1.444s	8	1.00x
▲ Vercel	Nitro	3.087s (+15.5% 🔺)	4.692s (+8.3% 🔺)	1.606s	7	1.11x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

Promise.race with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.274s (+2.5%)	2.008s (~)	0.734s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.379s (-1.3%)	2.008s (~)	0.629s	15	1.08x
💻 Local	Nitro	1.998s (+13.7% 🔺)	2.393s (+15.5% 🔺)	0.395s	13	1.57x
💻 Local	Next.js (Turbopack)	2.020s (~)	2.735s (+9.1% 🔺)	0.715s	11	1.59x
💻 Local	Express	2.087s (-1.8%)	2.676s (+3.3%)	0.588s	12	1.64x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	3.582s (-12.5% 🟢)	5.073s (-15.5% 🟢)	1.491s	6	1.00x
▲ Vercel	Next.js (Turbopack)	5.023s (+11.1% 🔺)	6.737s (+9.2% 🔺)	1.714s	5	1.40x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

Promise.race with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.379s (-8.1% 🟢)	2.007s (-16.3% 🟢)	0.628s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.709s (+3.2%)	2.075s (~)	0.366s	15	1.24x
💻 Local	Nitro	5.100s (+7.5% 🔺)	5.513s (+3.2%)	0.413s	6	3.70x
💻 Local	Express	5.188s (-11.5% 🟢)	5.682s (-8.5% 🟢)	0.495s	6	3.76x
💻 Local	Next.js (Turbopack)	5.780s (+12.0% 🔺)	6.216s (+3.3%)	0.435s	5	4.19x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.705s (+15.7% 🔺)	7.433s (+10.3% 🔺)	1.728s	5	1.00x
▲ Vercel	Next.js (Turbopack)	5.992s (+3.5%)	8.177s (+7.9% 🔺)	2.186s	4	1.05x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.563s (-15.5% 🟢)	1.007s (-3.9%)	0.443s	60	1.00x
💻 Local	Express	0.584s (-10.9% 🟢)	1.005s (-3.3%)	0.420s	60	1.04x
💻 Local	Nitro	0.587s (-27.0% 🟢)	1.005s (-16.6% 🟢)	0.417s	60	1.04x
🐘 Postgres	Next.js (Turbopack)	0.814s (~)	1.007s (~)	0.193s	60	1.45x
💻 Local	Next.js (Turbopack)	0.848s (+21.8% 🔺)	1.004s (~)	0.157s	60	1.50x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.102s (-18.2% 🟢)	7.526s (-20.9% 🟢)	1.424s	8	1.00x
▲ Vercel	Next.js (Turbopack)	6.238s (+23.6% 🔺)	7.557s (+10.3% 🔺)	1.319s	8	1.02x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.314s (-14.5% 🟢)	2.008s (-6.7% 🟢)	0.693s	45	1.00x
💻 Local	Nitro	1.523s (+4.0%)	2.007s (~)	0.484s	45	1.16x
💻 Local	Express	1.544s (-3.0%)	2.006s (-1.1%)	0.463s	45	1.17x
🐘 Postgres	Next.js (Turbopack)	1.995s (+2.7%)	2.441s (+12.3% 🔺)	0.446s	37	1.52x
💻 Local	Next.js (Turbopack)	2.042s (+18.2% 🔺)	2.883s (+42.2% 🔺)	0.840s	32	1.55x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	14.400s (-2.5%)	16.028s (-5.3% 🟢)	1.628s	6	1.00x
▲ Vercel	Nitro	14.653s (+10.9% 🔺)	16.443s (+6.2% 🔺)	1.789s	6	1.02x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	2.649s (-9.0% 🟢)	3.086s (-12.8% 🟢)	0.437s	39	1.00x
💻 Local	Nitro	3.276s (+2.2%)	4.010s (~)	0.733s	30	1.24x
💻 Local	Express	3.338s (-2.4%)	4.043s (+0.8%)	0.705s	30	1.26x
🐘 Postgres	Next.js (Turbopack)	3.991s (+3.4%)	4.403s (+8.0% 🔺)	0.413s	28	1.51x
💻 Local	Next.js (Turbopack)	4.297s (+15.3% 🔺)	5.010s (+21.9% 🔺)	0.713s	24	1.62x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	29.987s (+0.7%)	32.403s (+1.3%)	2.416s	4	1.00x
▲ Vercel	Next.js (Turbopack)	31.663s (+17.3% 🔺)	33.691s (+15.1% 🔺)	2.028s	4	1.06x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.206s (-18.3% 🟢)	1.006s (~)	0.800s	60	1.00x
🐘 Postgres	Next.js (Turbopack)	0.276s (-2.2%)	1.006s (~)	0.731s	60	1.34x
💻 Local	Express	0.449s (-3.4%)	1.005s (~)	0.556s	60	2.18x
💻 Local	Nitro	0.462s (+8.9% 🔺)	1.005s (~)	0.543s	60	2.25x
💻 Local	Next.js (Turbopack)	0.560s (-8.4% 🟢)	1.005s (-3.2%)	0.445s	60	2.72x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.627s (+12.0% 🔺)	4.025s (-7.1% 🟢)	1.398s	16	1.00x
▲ Vercel	Next.js (Turbopack)	2.770s (+25.9% 🔺)	4.301s (+1.9%)	1.531s	14	1.05x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.342s (+0.8%)	1.007s (~)	0.665s	90	1.00x
🐘 Postgres	Next.js (Turbopack)	0.490s (+1.6%)	1.006s (~)	0.516s	90	1.43x
💻 Local	Nitro	2.161s (+4.7%)	2.687s (+1.9%)	0.525s	34	6.33x
💻 Local	Express	2.222s (+1.4%)	2.822s (~)	0.599s	32	6.50x
💻 Local	Next.js (Turbopack)	2.377s (-3.0%)	3.043s (-2.1%)	0.665s	30	6.96x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.355s (-87.8% 🟢)	6.982s (-84.8% 🟢)	1.628s	14	1.00x
▲ Vercel	Next.js (Turbopack)	7.232s (+15.3% 🔺)	8.603s (+1.2%)	1.371s	11	1.35x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.669s (+6.9% 🔺)	1.007s (-4.6%)	0.337s	120	1.00x
🐘 Postgres	Next.js (Turbopack)	1.009s (+3.0%)	1.814s (+12.8% 🔺)	0.805s	67	1.51x
💻 Local	Express	9.571s (-7.2% 🟢)	10.118s (-6.9% 🟢)	0.547s	12	14.30x
💻 Local	Nitro	9.653s (+10.8% 🔺)	10.194s (+9.2% 🔺)	0.542s	12	14.43x
💻 Local	Next.js (Turbopack)	10.148s (-1.6%)	10.777s (-4.6%)	0.629s	12	15.17x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	16.389s (-94.7% 🟢)	18.299s (-94.2% 🟢)	1.909s	7	1.00x
▲ Vercel	Next.js (Turbopack)	17.034s (-89.4% 🟢)	18.767s (-88.4% 🟢)	1.734s	7	1.04x
▲ Vercel	Express	⚠️missing	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

Stream Benchmarks(includes TTFB metrics)

workflow with stream

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.161s (-2.7%)	1.997s (~)	0.001s (-96.8% 🟢)	2.011s (-1.6%)	0.849s	10	1.00x
💻 Local	Nitro	1.163s (+1.1%)	2.005s (~)	0.011s (+6.0% 🔺)	2.018s (~)	0.855s	10	1.00x
💻 Local	Express	1.169s (~)	2.004s (~)	0.010s (-21.9% 🟢)	2.017s (~)	0.848s	10	1.01x
💻 Local	Next.js (Turbopack)	1.201s (+2.8%)	2.003s (~)	0.012s (+15.8% 🔺)	2.019s (~)	0.818s	10	1.03x
🐘 Postgres	Next.js (Turbopack)	1.244s (+0.8%)	2.002s (~)	0.001s (-26.7% 🟢)	2.011s (~)	0.768s	10	1.07x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.212s (-1.4%)	2.920s (-17.8% 🟢)	1.194s (-90.4% 🟢)	4.591s (-72.2% 🟢)	2.379s	10	1.00x
▲ Vercel	Nitro	2.564s (+18.4% 🔺)	3.597s (+5.3% 🔺)	0.796s (+54.3% 🔺)	4.799s (+7.4% 🔺)	2.234s	10	1.16x
▲ Vercel	Express	⚠️missing	-	-	-	-	-

🔍 Observability: Next.js (Turbopack) | Nitro

stream pipeline with 5 transform steps (1MB)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.573s (-9.5% 🟢)	2.003s (-6.5% 🟢)	0.005s (+69.7% 🔺)	2.027s (-6.2% 🟢)	0.455s	30	1.00x
💻 Local	Express	1.574s (-3.8%)	2.011s (~)	0.013s (+13.3% 🔺)	2.026s (~)	0.453s	30	1.00x
💻 Local	Nitro	1.577s (-9.5% 🟢)	2.010s (~)	0.014s (+53.7% 🔺)	2.026s (-7.8% 🟢)	0.449s	30	1.00x
💻 Local	Next.js (Turbopack)	1.724s (+5.1% 🔺)	2.010s (~)	0.011s (+5.9% 🔺)	2.024s (~)	0.300s	30	1.10x
🐘 Postgres	Next.js (Turbopack)	1.796s (+1.8%)	2.010s (~)	0.005s (+36.4% 🔺)	2.029s (~)	0.233s	30	1.14x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.038s (+5.1% 🔺)	7.079s (-6.8% 🟢)	0.254s (-24.8% 🟢)	7.873s (-7.2% 🟢)	1.834s	8	1.00x
▲ Vercel	Next.js (Turbopack)	6.125s (-3.9%)	7.322s (-7.7% 🟢)	0.178s (-50.8% 🟢)	7.911s (-10.8% 🟢)	1.786s	8	1.01x
▲ Vercel	Express	⚠️missing	-	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

10 parallel streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.708s (-27.6% 🟢)	1.048s (-26.6% 🟢)	0.000s (+22.8% 🔺)	1.061s (-26.7% 🟢)	0.354s	57	1.00x
🐘 Postgres	Next.js (Turbopack)	0.835s (~)	1.091s (+1.8%)	0.000s (+1.8%)	1.102s (+2.1%)	0.267s	55	1.18x
💻 Local	Express	1.388s (-6.4% 🟢)	2.014s (~)	0.000s (-46.7% 🟢)	2.016s (~)	0.628s	30	1.96x
💻 Local	Next.js (Turbopack)	1.456s (+0.6%)	2.013s (~)	0.001s (+100.0% 🔺)	2.016s (~)	0.560s	30	2.06x
💻 Local	Nitro	1.464s (+8.2% 🔺)	2.015s (~)	0.000s (-33.3% 🟢)	2.017s (~)	0.554s	30	2.07x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	3.260s (-9.5% 🟢)	4.513s (-11.0% 🟢)	0.000s (+Infinity% 🔺)	4.919s (-12.6% 🟢)	1.659s	13	1.00x
▲ Vercel	Next.js (Turbopack)	3.558s (+7.5% 🔺)	4.670s (-4.6%)	0.000s (+Infinity% 🔺)	5.106s (-6.5% 🟢)	1.548s	12	1.09x
▲ Vercel	Express	⚠️missing	-	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

fan-out fan-in 10 streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.415s (-12.4% 🟢)	2.139s (-5.1% 🟢)	0.000s (+Infinity% 🔺)	2.153s (-5.6% 🟢)	0.738s	28	1.00x
🐘 Postgres	Next.js (Turbopack)	1.816s (+5.1% 🔺)	2.349s (+3.9%)	0.000s (+Infinity% 🔺)	2.357s (+3.9%)	0.541s	26	1.28x
💻 Local	Next.js (Turbopack)	2.717s (-15.4% 🟢)	3.359s (-13.8% 🟢)	0.001s (+237.8% 🔺)	3.363s (-13.8% 🟢)	0.645s	18	1.92x
💻 Local	Express	3.096s (-7.1% 🟢)	3.903s (+1.7%)	0.001s (+33.3% 🔺)	3.905s (+1.6%)	0.809s	16	2.19x
💻 Local	Nitro	3.198s (+2.6%)	3.903s (~)	0.001s (+125.0% 🔺)	3.907s (~)	0.709s	16	2.26x
🐘 Postgres	Nitro	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.089s (-27.7% 🟢)	6.217s (-27.5% 🟢)	0.000s (NaN%)	6.747s (-25.8% 🟢)	1.658s	9	1.00x
▲ Vercel	Next.js (Turbopack)	5.460s (+5.7% 🔺)	6.739s (+0.9%)	0.000s (-100.0% 🟢)	7.163s (-0.6%)	1.702s	9	1.07x
▲ Vercel	Express	⚠️missing	-	-	-	-	-

🔍 Observability: Nitro | Next.js (Turbopack)

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World	🥇 Fastest Framework	Wins
💻 Local	Nitro	11/21
🐘 Postgres	Express	21/21
▲ Vercel	Nitro	14/21

Fastest World by Framework

Winner determined by most benchmark wins

Framework	🥇 Fastest World	Wins
Express	🐘 Postgres	18/21
Next.js (Turbopack)	🐘 Postgres	14/21
Nitro	💻 Local	21/21

Column Definitions

• Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
• TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
• Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
• Wall Time: Total testbench time (trigger workflow + poll for result)
• Overhead: Testbench overhead (Wall Time - Workflow Time)
• Samples: Number of benchmark iterations run
• vs Fastest: How much slower compared to the fastest configuration for this benchmark

Worlds:

• 💻 Local: In-memory filesystem world (local development)
• 🐘 Postgres: PostgreSQL database world (local development)
• ▲ Vercel: Vercel production/preview deployment
• 🌐 Turso: Community world (local development)
• 🌐 MongoDB: Community world (local development)
• 🌐 Redis: Community world (local development)
• 🌐 Jazz: Community world (local development)
• 🌐 Redis: Community world (local development)
• 🌐 Redis + BullMQ: Community world (local development)
• 🌐 Cloudflare: Community world (local development)
• 🌐 MySQL: Community world (local development)
• 🌐 Azure: Community world (local development)
• 🌐 NATS JetStream: Community world (local development)
• 🌐 Upstash: Community world (local development)

---

📋 View full workflow run

---

❌ Some benchmark jobs failed:

• Local: success
• Postgres: failure
• Vercel: failure

Check the workflow run for details.

[github-actions]

No backport to stable for 884bd8d (AI decision).

This commit is explicitly a forward-port of #2358 (which already landed on stable) to main. Backporting would be redundant since stable already has these test timeout fixes.

To override, re-run the Backport to stable workflow manually via workflow_dispatch and paste this commit SHA into the ref input:

884bd8db76746ae0482ad5870837177bb21fd3f7