[Perf] Linux/arm64: 5 Regressions in System.Buffers.Tests.SearchValuesCharTests on 7/22/2024 3:17:40 PM #105488

Closed
#105562
Closed
[Perf] Linux/arm64: 5 Regressions in System.Buffers.Tests.SearchValuesCharTests on 7/22/2024 3:17:40 PM#105488
#105562
Labels
arch-arm64area-System.Buffersneeds-area-labelAn area label is needed to ensure this gets routed to the appropriate area ownersos-linuxLinux OS (any supported distro)runtime-coreclrspecific to the CoreCLR runtime

Description

@performanceautofiler
performanceautofiler
bot
opened on Jul 25, 2024

Run Information

NameValue
Architecturearm64
OSubuntu 22.04
QueueAmpereUbuntu
Baselined285c824a7b240a50c20bf61e0602f3239d76b8c
Compare47da68b95373df56f8edade7f7736217581c9a3e
DiffDiff
ConfigsCompilationMode:tiered, RunKind:micro

Regressions in System.Buffers.Tests.SearchValuesCharTests

BenchmarkBaselineTestTest/BaseTest QualityEdge DetectorBaseline IRCompare IRIR Ratio
29.16 ns38.86 ns1.330.07True
29.16 ns41.01 ns1.410.08True
27.56 ns38.73 ns1.410.06False
30.17 ns37.19 ns1.230.06False
29.36 ns42.90 ns1.460.01True

graph
graph
graph
graph
graph
Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Buffers.Tests.SearchValuesCharTests*'
Details

System.Buffers.Tests.SearchValuesCharTests.LastIndexOfAnyExcept(Values: "abcdefABCDEF0123456789Ü")

ETL Files

Histogram

JIT Disasms

System.Buffers.Tests.SearchValuesCharTests.IndexOfAny(Values: "abcdefABCDEF0123456789Ü")

ETL Files

Histogram

JIT Disasms

System.Buffers.Tests.SearchValuesCharTests.LastIndexOfAny(Values: "abcdefABCDEF0123456789Ü")

ETL Files

Histogram

JIT Disasms

System.Buffers.Tests.SearchValuesCharTests.ContainsAny(Values: "abcdefABCDEF0123456789Ü")

ETL Files

Histogram

JIT Disasms

System.Buffers.Tests.SearchValuesCharTests.IndexOfAnyExcept(Values: "abcdefABCDEF0123456789Ü")

ETL Files

Histogram

JIT Disasms

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

Metadata

Metadata

Assignees

No one assigned

    Labels

    arch-arm64area-System.Buffersneeds-area-labelAn area label is needed to ensure this gets routed to the appropriate area ownersos-linuxLinux OS (any supported distro)runtime-coreclrspecific to the CoreCLR runtime

    Type

    No type

    Projects

    No projects

      Milestone

      No milestone

      Relationships

      None yet

      Development

      No branches or pull requests

      Issue actions

      , 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
       blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

      Skip to content
      [Perf] Linux/arm64: 5 Regressions in System.Buffers.Tests.SearchValuesCharTests on 7/22/2024 3:17:40 PM #105488
      Closed
      #105562
      Closed
      [Perf] Linux/arm64: 5 Regressions in System.Buffers.Tests.SearchValuesCharTests on 7/22/2024 3:17:40 PM#105488
      #105562
      Labels
      arch-arm64area-System.Buffersneeds-area-labelAn area label is needed to ensure this gets routed to the appropriate area ownersos-linuxLinux OS (any supported distro)runtime-coreclrspecific to the CoreCLR runtime
      Description
      @performanceautofiler
      performanceautofiler
      bot
      opened on Jul 25, 2024
      Run Information
      NameValue
      Architecturearm64
      OSubuntu 22.04
      QueueAmpereUbuntu
      Baselined285c824a7b240a50c20bf61e0602f3239d76b8c
      Compare47da68b95373df56f8edade7f7736217581c9a3e
      DiffDiff
      ConfigsCompilationMode:tiered, RunKind:micro
      Regressions in System.Buffers.Tests.SearchValuesCharTests
      BenchmarkBaselineTestTest/BaseTest QualityEdge DetectorBaseline IRCompare IRIR Ratio
      29.16 ns38.86 ns1.330.07True
      29.16 ns41.01 ns1.410.08True
      27.56 ns38.73 ns1.410.06False
      30.17 ns37.19 ns1.230.06False
      29.36 ns42.90 ns1.460.01True
      graph
      graph
      graph
      graph
      graph
      Test Report
      Repro
      General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md
      git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Buffers.Tests.SearchValuesCharTests*'
      Details
      System.Buffers.Tests.SearchValuesCharTests.LastIndexOfAnyExcept(Values: "abcdefABCDEF0123456789Ü")
      ETL Files
      Histogram
      JIT Disasms
      System.Buffers.Tests.SearchValuesCharTests.IndexOfAny(Values: "abcdefABCDEF0123456789Ü")
      ETL Files
      Histogram
      JIT Disasms
      System.Buffers.Tests.SearchValuesCharTests.LastIndexOfAny(Values: "abcdefABCDEF0123456789Ü")
      ETL Files
      Histogram
      JIT Disasms
      System.Buffers.Tests.SearchValuesCharTests.ContainsAny(Values: "abcdefABCDEF0123456789Ü")
      ETL Files
      Histogram
      JIT Disasms
      System.Buffers.Tests.SearchValuesCharTests.IndexOfAnyExcept(Values: "abcdefABCDEF0123456789Ü")
      ETL Files
      Histogram
      JIT Disasms
      Docs
      Profiling workflow for dotnet/runtime repository
      Benchmarking workflow for dotnet/runtime repository
      Metadata
      Metadata
      Assignees
      No one assigned
        Labels
        arch-arm64area-System.Buffersneeds-area-labelAn area label is needed to ensure this gets routed to the appropriate area ownersos-linuxLinux OS (any supported distro)runtime-coreclrspecific to the CoreCLR runtime
        Type
        No type
        Projects
        No projects
          Milestone
          No milestone
          Relationships
          None yet
          Development
          No branches or pull requests
          Issue actions
          
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

          Skip to content
          [Perf] Linux/arm64: 5 Regressions in System.Buffers.Tests.SearchValuesCharTests on 7/22/2024 3:17:40 PM #105488
          Closed
          #105562
          Closed
          [Perf] Linux/arm64: 5 Regressions in System.Buffers.Tests.SearchValuesCharTests on 7/22/2024 3:17:40 PM#105488
          #105562
          Labels
          arch-arm64area-System.Buffersneeds-area-labelAn area label is needed to ensure this gets routed to the appropriate area ownersos-linuxLinux OS (any supported distro)runtime-coreclrspecific to the CoreCLR runtime
          Description
          @performanceautofiler
          performanceautofiler
          bot
          opened on Jul 25, 2024
          Run Information
          NameValue
          Architecturearm64
          OSubuntu 22.04
          QueueAmpereUbuntu
          Baselined285c824a7b240a50c20bf61e0602f3239d76b8c
          Compare47da68b95373df56f8edade7f7736217581c9a3e
          DiffDiff
          ConfigsCompilationMode:tiered, RunKind:micro
          Regressions in System.Buffers.Tests.SearchValuesCharTests
          BenchmarkBaselineTestTest/BaseTest QualityEdge DetectorBaseline IRCompare IRIR Ratio
          29.16 ns38.86 ns1.330.07True
          29.16 ns41.01 ns1.410.08True
          27.56 ns38.73 ns1.410.06False
          30.17 ns37.19 ns1.230.06False
          29.36 ns42.90 ns1.460.01True
          graph
          graph
          graph
          graph
          graph
          Test Report
          Repro
          General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md
          git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Buffers.Tests.SearchValuesCharTests*'
          Details
          System.Buffers.Tests.SearchValuesCharTests.LastIndexOfAnyExcept(Values: "abcdefABCDEF0123456789Ü")
          ETL Files
          Histogram
          JIT Disasms
          System.Buffers.Tests.SearchValuesCharTests.IndexOfAny(Values: "abcdefABCDEF0123456789Ü")
          ETL Files
          Histogram
          JIT Disasms
          System.Buffers.Tests.SearchValuesCharTests.LastIndexOfAny(Values: "abcdefABCDEF0123456789Ü")
          ETL Files
          Histogram
          JIT Disasms
          System.Buffers.Tests.SearchValuesCharTests.ContainsAny(Values: "abcdefABCDEF0123456789Ü")
          ETL Files
          Histogram
          JIT Disasms
          System.Buffers.Tests.SearchValuesCharTests.IndexOfAnyExcept(Values: "abcdefABCDEF0123456789Ü")
          ETL Files
          Histogram
          JIT Disasms
          Docs
          Profiling workflow for dotnet/runtime repository
          Benchmarking workflow for dotnet/runtime repository
          Metadata
          Metadata
          Assignees
          No one assigned
            Labels
            arch-arm64area-System.Buffersneeds-area-labelAn area label is needed to ensure this gets routed to the appropriate area ownersos-linuxLinux OS (any supported distro)runtime-coreclrspecific to the CoreCLR runtime
            Type
            No type
            Projects
            No projects
              Milestone
              No milestone
              Relationships
              None yet
              Development
              No branches or pull requests
              Issue actions
              
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

              Skip to content
              [Perf] Linux/arm64: 5 Regressions in System.Buffers.Tests.SearchValuesCharTests on 7/22/2024 3:17:40 PM #105488
              Closed
              #105562
              Closed
              [Perf] Linux/arm64: 5 Regressions in System.Buffers.Tests.SearchValuesCharTests on 7/22/2024 3:17:40 PM#105488
              #105562
              Labels
              arch-arm64area-System.Buffersneeds-area-labelAn area label is needed to ensure this gets routed to the appropriate area ownersos-linuxLinux OS (any supported distro)runtime-coreclrspecific to the CoreCLR runtime
              Description
              @performanceautofiler
              performanceautofiler
              bot
              opened on Jul 25, 2024
              Run Information
              NameValue
              Architecturearm64
              OSubuntu 22.04
              QueueAmpereUbuntu
              Baselined285c824a7b240a50c20bf61e0602f3239d76b8c
              Compare47da68b95373df56f8edade7f7736217581c9a3e
              DiffDiff
              ConfigsCompilationMode:tiered, RunKind:micro
              Regressions in System.Buffers.Tests.SearchValuesCharTests
              BenchmarkBaselineTestTest/BaseTest QualityEdge DetectorBaseline IRCompare IRIR Ratio
              29.16 ns38.86 ns1.330.07True
              29.16 ns41.01 ns1.410.08True
              27.56 ns38.73 ns1.410.06False
              30.17 ns37.19 ns1.230.06False
              29.36 ns42.90 ns1.460.01True
              graph
              graph
              graph
              graph
              graph
              Test Report
              Repro
              General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md
              git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Buffers.Tests.SearchValuesCharTests*'
              Details
              System.Buffers.Tests.SearchValuesCharTests.LastIndexOfAnyExcept(Values: "abcdefABCDEF0123456789Ü")
              ETL Files
              Histogram
              JIT Disasms
              System.Buffers.Tests.SearchValuesCharTests.IndexOfAny(Values: "abcdefABCDEF0123456789Ü")
              ETL Files
              Histogram
              JIT Disasms
              System.Buffers.Tests.SearchValuesCharTests.LastIndexOfAny(Values: "abcdefABCDEF0123456789Ü")
              ETL Files
              Histogram
              JIT Disasms
              System.Buffers.Tests.SearchValuesCharTests.ContainsAny(Values: "abcdefABCDEF0123456789Ü")
              ETL Files
              Histogram
              JIT Disasms
              System.Buffers.Tests.SearchValuesCharTests.IndexOfAnyExcept(Values: "abcdefABCDEF0123456789Ü")
              ETL Files
              Histogram
              JIT Disasms
              Docs
              Profiling workflow for dotnet/runtime repository
              Benchmarking workflow for dotnet/runtime repository
              Metadata
              Metadata
              Assignees
              No one assigned
                Labels
                arch-arm64area-System.Buffersneeds-area-labelAn area label is needed to ensure this gets routed to the appropriate area ownersos-linuxLinux OS (any supported distro)runtime-coreclrspecific to the CoreCLR runtime
                Type
                No type
                Projects
                No projects
                  Milestone
                  No milestone
                  Relationships
                  None yet
                  Development
                  No branches or pull requests
                  Issue actions
                  
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

                  Skip to content
                  [Perf] Linux/arm64: 5 Regressions in System.Buffers.Tests.SearchValuesCharTests on 7/22/2024 3:17:40 PM #105488
                  Closed
                  #105562
                  Closed
                  [Perf] Linux/arm64: 5 Regressions in System.Buffers.Tests.SearchValuesCharTests on 7/22/2024 3:17:40 PM#105488
                  #105562
                  Labels
                  arch-arm64area-System.Buffersneeds-area-labelAn area label is needed to ensure this gets routed to the appropriate area ownersos-linuxLinux OS (any supported distro)runtime-coreclrspecific to the CoreCLR runtime
                  Description
                  @performanceautofiler
                  performanceautofiler
                  bot
                  opened on Jul 25, 2024
                  Run Information
                  NameValue
                  Architecturearm64
                  OSubuntu 22.04
                  QueueAmpereUbuntu
                  Baselined285c824a7b240a50c20bf61e0602f3239d76b8c
                  Compare47da68b95373df56f8edade7f7736217581c9a3e
                  DiffDiff
                  ConfigsCompilationMode:tiered, RunKind:micro
                  Regressions in System.Buffers.Tests.SearchValuesCharTests
                  BenchmarkBaselineTestTest/BaseTest QualityEdge DetectorBaseline IRCompare IRIR Ratio
                  29.16 ns38.86 ns1.330.07True
                  29.16 ns41.01 ns1.410.08True
                  27.56 ns38.73 ns1.410.06False
                  30.17 ns37.19 ns1.230.06False
                  29.36 ns42.90 ns1.460.01True
                  graph
                  graph
                  graph
                  graph
                  graph
                  Test Report
                  Repro
                  General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md
                  git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Buffers.Tests.SearchValuesCharTests*'
                  Details
                  System.Buffers.Tests.SearchValuesCharTests.LastIndexOfAnyExcept(Values: "abcdefABCDEF0123456789Ü")
                  ETL Files
                  Histogram
                  JIT Disasms
                  System.Buffers.Tests.SearchValuesCharTests.IndexOfAny(Values: "abcdefABCDEF0123456789Ü")
                  ETL Files
                  Histogram
                  JIT Disasms
                  System.Buffers.Tests.SearchValuesCharTests.LastIndexOfAny(Values: "abcdefABCDEF0123456789Ü")
                  ETL Files
                  Histogram
                  JIT Disasms
                  System.Buffers.Tests.SearchValuesCharTests.ContainsAny(Values: "abcdefABCDEF0123456789Ü")
                  ETL Files
                  Histogram
                  JIT Disasms
                  System.Buffers.Tests.SearchValuesCharTests.IndexOfAnyExcept(Values: "abcdefABCDEF0123456789Ü")
                  ETL Files
                  Histogram
                  JIT Disasms
                  Docs
                  Profiling workflow for dotnet/runtime repository
                  Benchmarking workflow for dotnet/runtime repository
                  Metadata
                  Metadata
                  Assignees
                  No one assigned
                    Labels
                    arch-arm64area-System.Buffersneeds-area-labelAn area label is needed to ensure this gets routed to the appropriate area ownersos-linuxLinux OS (any supported distro)runtime-coreclrspecific to the CoreCLR runtime
                    Type
                    No type
                    Projects
                    No projects
                      Milestone
                      No milestone
                      Relationships
                      None yet
                      Development
                      No branches or pull requests
                      Issue actions
                      
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

                      Skip to content
                      [Perf] Linux/arm64: 5 Regressions in System.Buffers.Tests.SearchValuesCharTests on 7/22/2024 3:17:40 PM #105488
                      Closed
                      #105562
                      Closed
                      [Perf] Linux/arm64: 5 Regressions in System.Buffers.Tests.SearchValuesCharTests on 7/22/2024 3:17:40 PM#105488
                      #105562
                      Labels
                      arch-arm64area-System.Buffersneeds-area-labelAn area label is needed to ensure this gets routed to the appropriate area ownersos-linuxLinux OS (any supported distro)runtime-coreclrspecific to the CoreCLR runtime
                      Description
                      @performanceautofiler
                      performanceautofiler
                      bot
                      opened on Jul 25, 2024
                      Run Information
                      NameValue
                      Architecturearm64
                      OSubuntu 22.04
                      QueueAmpereUbuntu
                      Baselined285c824a7b240a50c20bf61e0602f3239d76b8c
                      Compare47da68b95373df56f8edade7f7736217581c9a3e
                      DiffDiff
                      ConfigsCompilationMode:tiered, RunKind:micro
                      Regressions in System.Buffers.Tests.SearchValuesCharTests
                      BenchmarkBaselineTestTest/BaseTest QualityEdge DetectorBaseline IRCompare IRIR Ratio
                      29.16 ns38.86 ns1.330.07True
                      29.16 ns41.01 ns1.410.08True
                      27.56 ns38.73 ns1.410.06False
                      30.17 ns37.19 ns1.230.06False
                      29.36 ns42.90 ns1.460.01True
                      graph
                      graph
                      graph
                      graph
                      graph
                      Test Report
                      Repro
                      General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md
                      git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Buffers.Tests.SearchValuesCharTests*'
                      Details
                      System.Buffers.Tests.SearchValuesCharTests.LastIndexOfAnyExcept(Values: "abcdefABCDEF0123456789Ü")
                      ETL Files
                      Histogram
                      JIT Disasms
                      System.Buffers.Tests.SearchValuesCharTests.IndexOfAny(Values: "abcdefABCDEF0123456789Ü")
                      ETL Files
                      Histogram
                      JIT Disasms
                      System.Buffers.Tests.SearchValuesCharTests.LastIndexOfAny(Values: "abcdefABCDEF0123456789Ü")
                      ETL Files
                      Histogram
                      JIT Disasms
                      System.Buffers.Tests.SearchValuesCharTests.ContainsAny(Values: "abcdefABCDEF0123456789Ü")
                      ETL Files
                      Histogram
                      JIT Disasms
                      System.Buffers.Tests.SearchValuesCharTests.IndexOfAnyExcept(Values: "abcdefABCDEF0123456789Ü")
                      ETL Files
                      Histogram
                      JIT Disasms
                      Docs
                      Profiling workflow for dotnet/runtime repository
                      Benchmarking workflow for dotnet/runtime repository
                      Metadata
                      Metadata
                      Assignees
                      No one assigned
                        Labels
                        arch-arm64area-System.Buffersneeds-area-labelAn area label is needed to ensure this gets routed to the appropriate area ownersos-linuxLinux OS (any supported distro)runtime-coreclrspecific to the CoreCLR runtime
                        Type
                        No type
                        Projects
                        No projects
                          Milestone
                          No milestone
                          Relationships
                          None yet
                          Development
                          No branches or pull requests
                          Issue actions
                          
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

                          Skip to content
                          [Perf] Linux/arm64: 5 Regressions in System.Buffers.Tests.SearchValuesCharTests on 7/22/2024 3:17:40 PM #105488
                          Closed
                          #105562
                          Closed
                          [Perf] Linux/arm64: 5 Regressions in System.Buffers.Tests.SearchValuesCharTests on 7/22/2024 3:17:40 PM#105488
                          #105562
                          Labels
                          arch-arm64area-System.Buffersneeds-area-labelAn area label is needed to ensure this gets routed to the appropriate area ownersos-linuxLinux OS (any supported distro)runtime-coreclrspecific to the CoreCLR runtime
                          Description
                          @performanceautofiler
                          performanceautofiler
                          bot
                          opened on Jul 25, 2024
                          Run Information
                          NameValue
                          Architecturearm64
                          OSubuntu 22.04
                          QueueAmpereUbuntu
                          Baselined285c824a7b240a50c20bf61e0602f3239d76b8c
                          Compare47da68b95373df56f8edade7f7736217581c9a3e
                          DiffDiff
                          ConfigsCompilationMode:tiered, RunKind:micro
                          Regressions in System.Buffers.Tests.SearchValuesCharTests
                          BenchmarkBaselineTestTest/BaseTest QualityEdge DetectorBaseline IRCompare IRIR Ratio
                          29.16 ns38.86 ns1.330.07True
                          29.16 ns41.01 ns1.410.08True
                          27.56 ns38.73 ns1.410.06False
                          30.17 ns37.19 ns1.230.06False
                          29.36 ns42.90 ns1.460.01True
                          graph
                          graph
                          graph
                          graph
                          graph
                          Test Report
                          Repro
                          General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md
                          git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Buffers.Tests.SearchValuesCharTests*'
                          Details
                          System.Buffers.Tests.SearchValuesCharTests.LastIndexOfAnyExcept(Values: "abcdefABCDEF0123456789Ü")
                          ETL Files
                          Histogram
                          JIT Disasms
                          System.Buffers.Tests.SearchValuesCharTests.IndexOfAny(Values: "abcdefABCDEF0123456789Ü")
                          ETL Files
                          Histogram
                          JIT Disasms
                          System.Buffers.Tests.SearchValuesCharTests.LastIndexOfAny(Values: "abcdefABCDEF0123456789Ü")
                          ETL Files
                          Histogram
                          JIT Disasms
                          System.Buffers.Tests.SearchValuesCharTests.ContainsAny(Values: "abcdefABCDEF0123456789Ü")
                          ETL Files
                          Histogram
                          JIT Disasms
                          System.Buffers.Tests.SearchValuesCharTests.IndexOfAnyExcept(Values: "abcdefABCDEF0123456789Ü")
                          ETL Files
                          Histogram
                          JIT Disasms
                          Docs
                          Profiling workflow for dotnet/runtime repository
                          Benchmarking workflow for dotnet/runtime repository
                          Metadata
                          Metadata
                          Assignees
                          No one assigned
                            Labels
                            arch-arm64area-System.Buffersneeds-area-labelAn area label is needed to ensure this gets routed to the appropriate area ownersos-linuxLinux OS (any supported distro)runtime-coreclrspecific to the CoreCLR runtime
                            Type
                            No type
                            Projects
                            No projects
                              Milestone
                              No milestone
                              Relationships
                              None yet
                              Development
                              No branches or pull requests
                              Issue actions
                              
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

                              Skip to content
                              [Perf] Linux/arm64: 5 Regressions in System.Buffers.Tests.SearchValuesCharTests on 7/22/2024 3:17:40 PM #105488
                              Closed
                              #105562
                              Closed
                              [Perf] Linux/arm64: 5 Regressions in System.Buffers.Tests.SearchValuesCharTests on 7/22/2024 3:17:40 PM#105488
                              #105562
                              Labels
                              arch-arm64area-System.Buffersneeds-area-labelAn area label is needed to ensure this gets routed to the appropriate area ownersos-linuxLinux OS (any supported distro)runtime-coreclrspecific to the CoreCLR runtime
                              Description
                              @performanceautofiler
                              performanceautofiler
                              bot
                              opened on Jul 25, 2024
                              Run Information
                              NameValue
                              Architecturearm64
                              OSubuntu 22.04
                              QueueAmpereUbuntu
                              Baselined285c824a7b240a50c20bf61e0602f3239d76b8c
                              Compare47da68b95373df56f8edade7f7736217581c9a3e
                              DiffDiff
                              ConfigsCompilationMode:tiered, RunKind:micro
                              Regressions in System.Buffers.Tests.SearchValuesCharTests
                              BenchmarkBaselineTestTest/BaseTest QualityEdge DetectorBaseline IRCompare IRIR Ratio
                              29.16 ns38.86 ns1.330.07True
                              29.16 ns41.01 ns1.410.08True
                              27.56 ns38.73 ns1.410.06False
                              30.17 ns37.19 ns1.230.06False
                              29.36 ns42.90 ns1.460.01True
                              graph
                              graph
                              graph
                              graph
                              graph
                              Test Report
                              Repro
                              General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md
                              git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Buffers.Tests.SearchValuesCharTests*'
                              Details
                              System.Buffers.Tests.SearchValuesCharTests.LastIndexOfAnyExcept(Values: "abcdefABCDEF0123456789Ü")
                              ETL Files
                              Histogram
                              JIT Disasms
                              System.Buffers.Tests.SearchValuesCharTests.IndexOfAny(Values: "abcdefABCDEF0123456789Ü")
                              ETL Files
                              Histogram
                              JIT Disasms
                              System.Buffers.Tests.SearchValuesCharTests.LastIndexOfAny(Values: "abcdefABCDEF0123456789Ü")
                              ETL Files
                              Histogram
                              JIT Disasms
                              System.Buffers.Tests.SearchValuesCharTests.ContainsAny(Values: "abcdefABCDEF0123456789Ü")
                              ETL Files
                              Histogram
                              JIT Disasms
                              System.Buffers.Tests.SearchValuesCharTests.IndexOfAnyExcept(Values: "abcdefABCDEF0123456789Ü")
                              ETL Files
                              Histogram
                              JIT Disasms
                              Docs
                              Profiling workflow for dotnet/runtime repository
                              Benchmarking workflow for dotnet/runtime repository
                              Metadata
                              Metadata
                              Assignees
                              No one assigned
                                Labels
                                arch-arm64area-System.Buffersneeds-area-labelAn area label is needed to ensure this gets routed to the appropriate area ownersos-linuxLinux OS (any supported distro)runtime-coreclrspecific to the CoreCLR runtime
                                Type
                                No type
                                Projects
                                No projects
                                  Milestone
                                  No milestone
                                  Relationships
                                  None yet
                                  Development
                                  No branches or pull requests
                                  Issue actions