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Test perf regression for 154344 - #154484

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Test perf regression for 154344#154484
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dianqk:test-perf-regression

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@rustbotrustbot added A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Mar 27, 2026
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@bors try @rust-timer queue

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rust-borsBot pushed a commit that referenced this pull request Mar 27, 2026
@rustbotrustbot added the S-waiting-on-perf Status: Waiting on a perf run to be completed. label Mar 27, 2026
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rust-borsBot commented Mar 28, 2026

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☀️ Try build successful (CI)
Build commit: 5b2d134 (5b2d134bea9724f0ccb1640b0e5e08acbd46de57, parent: fda6d37bb88ee12fd50fa54d15859f1f91b74f55)

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Finished benchmarking commit (5b2d134): comparison URL.

Overall result: ✅ improvements - no action needed

Benchmarking this pull request means it may be perf-sensitive – we'll automatically label it not fit for rolling up. You can override this, but we strongly advise not to, due to possible changes in compiler perf.

@bors rollup=never
@rustbot label: -S-waiting-on-perf -perf-regression

Instruction count

Our most reliable metric. Used to determine the overall result above. However, even this metric can be noisy.

meanrangecount
Regressions ❌
(primary)
--0
Regressions ❌
(secondary)
--0
Improvements ✅
(primary)
-0.7%[-1.3%, -0.2%]22
Improvements ✅
(secondary)
-0.5%[-1.0%, -0.2%]7
All ❌✅ (primary)-0.7%[-1.3%, -0.2%]22

Max RSS (memory usage)

Results (primary -2.2%, secondary 2.1%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

meanrangecount
Regressions ❌
(primary)
--0
Regressions ❌
(secondary)
7.1%[7.1%, 7.1%]1
Improvements ✅
(primary)
-2.2%[-2.2%, -2.2%]1
Improvements ✅
(secondary)
-2.9%[-2.9%, -2.9%]1
All ❌✅ (primary)-2.2%[-2.2%, -2.2%]1

Cycles

Results (secondary -3.3%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

meanrangecount
Regressions ❌
(primary)
--0
Regressions ❌
(secondary)
--0
Improvements ✅
(primary)
--0
Improvements ✅
(secondary)
-3.3%[-3.3%, -3.3%]1
All ❌✅ (primary)--0

Binary size

This benchmark run did not return any relevant results for this metric.

Bootstrap: 485.109s -> 484.425s (-0.14%)
Artifact size: 395.05 MiB -> 397.06 MiB (0.51%)

@rustbotrustbot removed the S-waiting-on-perf Status: Waiting on a perf run to be completed. label Mar 28, 2026
@dianqkdianqk closed this Mar 28, 2026
@rustbotrustbot removed the S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. label Mar 28, 2026
@dianqk
dianqk deleted the test-perf-regression branch March 28, 2026 02:17
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A-LLVMArea: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.

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@dianqk@rust-timer@rustbot