[Perf > -20 %] [Mono] Multiple Benchmarks #43950

Closed
Closed
[Perf > -20 %] [Mono] Multiple Benchmarks#43950
Labels
area-Interop-monoruntime-monospecific to the Mono runtime
Milestone
6.0.0

Description

@naricc
naricc
opened on Oct 28, 2020

Multiple benchmarks are showing a significant regression (links to all issues below).

It seems like based on the dates, this is partially caused by #38225 and partially by dd23c81, roughly 50/50 each.

@BrzVlad@DrewScoggins

[Perf -25%] System.Collections.Concurrent.Count.Stack
DrewScoggins/performance-2#2906

[Perf -17%] System.Collections.CreateAddAndClear.ConcurrentQueue
DrewScoggins/performance-2#2905

[Perf -29%] System.Globalization.Tests.StringHash.GetHashCode
DrewScoggins/performance-2#2904

[Perf -26%] System.Threading.Tests.Perf_Timer.SynchronousContention
DrewScoggins/performance-2#2903

Perf -29%] System.Linq.Tests.Perf_Enumerable.Contains_ElementNotFound
DrewScoggins/performance-2#2902

[Perf -29%] System.Linq.Tests.Perf_Enumerable.Contains_ElementNotFound
DrewScoggins/performance-2#2902

[Perf -28%] System.Tests.Perf_Array (2)
DrewScoggins/performance-2#2900

[Perf -31%] BenchmarksGame.FannkuchRedux_9.RunBench
DrewScoggins/performance-2#2899

[Perf -26%] System.Collections.CreateAddAndClear.Span
DrewScoggins/performance-2#2898

[Perf -26%] System.Memory.ReadOnlySpan (2)
DrewScoggins/performance-2#2897

[Perf -24%] System.Collections.Concurrent.Count.Stack
DrewScoggins/performance-2#2896

[Perf -8%] System.MathBenchmarks.Double.CopySign
DrewScoggins/performance-2#2895

[Perf -10%] System.Reflection.Attributes.IsDefinedClassHit
DrewScoggins/performance-2#2894

[Perf -32%] System.Collections.ContainsFalse (3)
DrewScoggins/performance-2#2893

[Perf -9%] System.Text.Json.Tests.Perf_Booleans.WriteBool
DrewScoggins/performance-2#2892

[Perf -13%] System.Tests.Perf_Decimal (2)
DrewScoggins/performance-2#2891

[Perf -32%] System.Collections.ContainsTrue (5)
DrewScoggins/performance-2#2890

[Perf -8%] System.Buffers.Text.Tests.Utf8FormatterTests.FormatterUInt64 
DrewScoggins/performance-2#2889

[Perf -27%] Layout.SearchLoops.LoopReturn
DrewScoggins/performance-2#2886

Related issue in CoreCLR for the thread pool change: #43905

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      , '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 > -20 %] [Mono] Multiple Benchmarks #43950
      Closed
      Closed
      [Perf > -20 %] [Mono] Multiple Benchmarks#43950
      Labels
      area-Interop-monoruntime-monospecific to the Mono runtime
      Milestone
      6.0.0
      Description
      @naricc
      naricc
      opened on Oct 28, 2020
      Multiple benchmarks are showing a significant regression (links to all issues below).
      It seems like based on the dates, this is partially caused by #38225 and partially by dd23c81, roughly 50/50 each.
      @BrzVlad@DrewScoggins
      [Perf -25%] System.Collections.Concurrent.Count.Stack
      DrewScoggins/performance-2#2906
      [Perf -17%] System.Collections.CreateAddAndClear.ConcurrentQueue
      DrewScoggins/performance-2#2905
      [Perf -29%] System.Globalization.Tests.StringHash.GetHashCode
      DrewScoggins/performance-2#2904
      [Perf -26%] System.Threading.Tests.Perf_Timer.SynchronousContention
      DrewScoggins/performance-2#2903
      Perf -29%] System.Linq.Tests.Perf_Enumerable.Contains_ElementNotFound
      DrewScoggins/performance-2#2902
      [Perf -29%] System.Linq.Tests.Perf_Enumerable.Contains_ElementNotFound
      DrewScoggins/performance-2#2902
      [Perf -28%] System.Tests.Perf_Array (2)
      DrewScoggins/performance-2#2900
      [Perf -31%] BenchmarksGame.FannkuchRedux_9.RunBench
      DrewScoggins/performance-2#2899
      [Perf -26%] System.Collections.CreateAddAndClear.Span
      DrewScoggins/performance-2#2898
      [Perf -26%] System.Memory.ReadOnlySpan (2)
      DrewScoggins/performance-2#2897
      [Perf -24%] System.Collections.Concurrent.Count.Stack
      DrewScoggins/performance-2#2896
      [Perf -8%] System.MathBenchmarks.Double.CopySign
      DrewScoggins/performance-2#2895
      [Perf -10%] System.Reflection.Attributes.IsDefinedClassHit
      DrewScoggins/performance-2#2894
      [Perf -32%] System.Collections.ContainsFalse (3)
      DrewScoggins/performance-2#2893
      [Perf -9%] System.Text.Json.Tests.Perf_Booleans.WriteBool
      DrewScoggins/performance-2#2892
      [Perf -13%] System.Tests.Perf_Decimal (2)
      DrewScoggins/performance-2#2891
      [Perf -32%] System.Collections.ContainsTrue (5)
      DrewScoggins/performance-2#2890
      [Perf -8%] System.Buffers.Text.Tests.Utf8FormatterTests.FormatterUInt64 
      DrewScoggins/performance-2#2889
      [Perf -27%] Layout.SearchLoops.LoopReturn
      DrewScoggins/performance-2#2886
      Related issue in CoreCLR for the thread pool change: #43905
      Metadata
      Metadata
      Assignees
      No one assigned
        Labels
        area-Interop-monoruntime-monospecific to the Mono runtime
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          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 > -20 %] [Mono] Multiple Benchmarks #43950
          Closed
          Closed
          [Perf > -20 %] [Mono] Multiple Benchmarks#43950
          Labels
          area-Interop-monoruntime-monospecific to the Mono runtime
          Milestone
          6.0.0
          Description
          @naricc
          naricc
          opened on Oct 28, 2020
          Multiple benchmarks are showing a significant regression (links to all issues below).
          It seems like based on the dates, this is partially caused by #38225 and partially by dd23c81, roughly 50/50 each.
          @BrzVlad@DrewScoggins
          [Perf -25%] System.Collections.Concurrent.Count.Stack
          DrewScoggins/performance-2#2906
          [Perf -17%] System.Collections.CreateAddAndClear.ConcurrentQueue
          DrewScoggins/performance-2#2905
          [Perf -29%] System.Globalization.Tests.StringHash.GetHashCode
          DrewScoggins/performance-2#2904
          [Perf -26%] System.Threading.Tests.Perf_Timer.SynchronousContention
          DrewScoggins/performance-2#2903
          Perf -29%] System.Linq.Tests.Perf_Enumerable.Contains_ElementNotFound
          DrewScoggins/performance-2#2902
          [Perf -29%] System.Linq.Tests.Perf_Enumerable.Contains_ElementNotFound
          DrewScoggins/performance-2#2902
          [Perf -28%] System.Tests.Perf_Array (2)
          DrewScoggins/performance-2#2900
          [Perf -31%] BenchmarksGame.FannkuchRedux_9.RunBench
          DrewScoggins/performance-2#2899
          [Perf -26%] System.Collections.CreateAddAndClear.Span
          DrewScoggins/performance-2#2898
          [Perf -26%] System.Memory.ReadOnlySpan (2)
          DrewScoggins/performance-2#2897
          [Perf -24%] System.Collections.Concurrent.Count.Stack
          DrewScoggins/performance-2#2896
          [Perf -8%] System.MathBenchmarks.Double.CopySign
          DrewScoggins/performance-2#2895
          [Perf -10%] System.Reflection.Attributes.IsDefinedClassHit
          DrewScoggins/performance-2#2894
          [Perf -32%] System.Collections.ContainsFalse (3)
          DrewScoggins/performance-2#2893
          [Perf -9%] System.Text.Json.Tests.Perf_Booleans.WriteBool
          DrewScoggins/performance-2#2892
          [Perf -13%] System.Tests.Perf_Decimal (2)
          DrewScoggins/performance-2#2891
          [Perf -32%] System.Collections.ContainsTrue (5)
          DrewScoggins/performance-2#2890
          [Perf -8%] System.Buffers.Text.Tests.Utf8FormatterTests.FormatterUInt64 
          DrewScoggins/performance-2#2889
          [Perf -27%] Layout.SearchLoops.LoopReturn
          DrewScoggins/performance-2#2886
          Related issue in CoreCLR for the thread pool change: #43905
          Metadata
          Metadata
          Assignees
          No one assigned
            Labels
            area-Interop-monoruntime-monospecific to the Mono runtime
            Type
            No type
            Projects
            No projects
              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 > -20 %] [Mono] Multiple Benchmarks #43950
              Closed
              Closed
              [Perf > -20 %] [Mono] Multiple Benchmarks#43950
              Labels
              area-Interop-monoruntime-monospecific to the Mono runtime
              Milestone
              6.0.0
              Description
              @naricc
              naricc
              opened on Oct 28, 2020
              Multiple benchmarks are showing a significant regression (links to all issues below).
              It seems like based on the dates, this is partially caused by #38225 and partially by dd23c81, roughly 50/50 each.
              @BrzVlad@DrewScoggins
              [Perf -25%] System.Collections.Concurrent.Count.Stack
              DrewScoggins/performance-2#2906
              [Perf -17%] System.Collections.CreateAddAndClear.ConcurrentQueue
              DrewScoggins/performance-2#2905
              [Perf -29%] System.Globalization.Tests.StringHash.GetHashCode
              DrewScoggins/performance-2#2904
              [Perf -26%] System.Threading.Tests.Perf_Timer.SynchronousContention
              DrewScoggins/performance-2#2903
              Perf -29%] System.Linq.Tests.Perf_Enumerable.Contains_ElementNotFound
              DrewScoggins/performance-2#2902
              [Perf -29%] System.Linq.Tests.Perf_Enumerable.Contains_ElementNotFound
              DrewScoggins/performance-2#2902
              [Perf -28%] System.Tests.Perf_Array (2)
              DrewScoggins/performance-2#2900
              [Perf -31%] BenchmarksGame.FannkuchRedux_9.RunBench
              DrewScoggins/performance-2#2899
              [Perf -26%] System.Collections.CreateAddAndClear.Span
              DrewScoggins/performance-2#2898
              [Perf -26%] System.Memory.ReadOnlySpan (2)
              DrewScoggins/performance-2#2897
              [Perf -24%] System.Collections.Concurrent.Count.Stack
              DrewScoggins/performance-2#2896
              [Perf -8%] System.MathBenchmarks.Double.CopySign
              DrewScoggins/performance-2#2895
              [Perf -10%] System.Reflection.Attributes.IsDefinedClassHit
              DrewScoggins/performance-2#2894
              [Perf -32%] System.Collections.ContainsFalse (3)
              DrewScoggins/performance-2#2893
              [Perf -9%] System.Text.Json.Tests.Perf_Booleans.WriteBool
              DrewScoggins/performance-2#2892
              [Perf -13%] System.Tests.Perf_Decimal (2)
              DrewScoggins/performance-2#2891
              [Perf -32%] System.Collections.ContainsTrue (5)
              DrewScoggins/performance-2#2890
              [Perf -8%] System.Buffers.Text.Tests.Utf8FormatterTests.FormatterUInt64 
              DrewScoggins/performance-2#2889
              [Perf -27%] Layout.SearchLoops.LoopReturn
              DrewScoggins/performance-2#2886
              Related issue in CoreCLR for the thread pool change: #43905
              Metadata
              Metadata
              Assignees
              No one assigned
                Labels
                area-Interop-monoruntime-monospecific to the Mono runtime
                Type
                No type
                Projects
                No projects
                  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 > -20 %] [Mono] Multiple Benchmarks #43950
                  Closed
                  Closed
                  [Perf > -20 %] [Mono] Multiple Benchmarks#43950
                  Labels
                  area-Interop-monoruntime-monospecific to the Mono runtime
                  Milestone
                  6.0.0
                  Description
                  @naricc
                  naricc
                  opened on Oct 28, 2020
                  Multiple benchmarks are showing a significant regression (links to all issues below).
                  It seems like based on the dates, this is partially caused by #38225 and partially by dd23c81, roughly 50/50 each.
                  @BrzVlad@DrewScoggins
                  [Perf -25%] System.Collections.Concurrent.Count.Stack
                  DrewScoggins/performance-2#2906
                  [Perf -17%] System.Collections.CreateAddAndClear.ConcurrentQueue
                  DrewScoggins/performance-2#2905
                  [Perf -29%] System.Globalization.Tests.StringHash.GetHashCode
                  DrewScoggins/performance-2#2904
                  [Perf -26%] System.Threading.Tests.Perf_Timer.SynchronousContention
                  DrewScoggins/performance-2#2903
                  Perf -29%] System.Linq.Tests.Perf_Enumerable.Contains_ElementNotFound
                  DrewScoggins/performance-2#2902
                  [Perf -29%] System.Linq.Tests.Perf_Enumerable.Contains_ElementNotFound
                  DrewScoggins/performance-2#2902
                  [Perf -28%] System.Tests.Perf_Array (2)
                  DrewScoggins/performance-2#2900
                  [Perf -31%] BenchmarksGame.FannkuchRedux_9.RunBench
                  DrewScoggins/performance-2#2899
                  [Perf -26%] System.Collections.CreateAddAndClear.Span
                  DrewScoggins/performance-2#2898
                  [Perf -26%] System.Memory.ReadOnlySpan (2)
                  DrewScoggins/performance-2#2897
                  [Perf -24%] System.Collections.Concurrent.Count.Stack
                  DrewScoggins/performance-2#2896
                  [Perf -8%] System.MathBenchmarks.Double.CopySign
                  DrewScoggins/performance-2#2895
                  [Perf -10%] System.Reflection.Attributes.IsDefinedClassHit
                  DrewScoggins/performance-2#2894
                  [Perf -32%] System.Collections.ContainsFalse (3)
                  DrewScoggins/performance-2#2893
                  [Perf -9%] System.Text.Json.Tests.Perf_Booleans.WriteBool
                  DrewScoggins/performance-2#2892
                  [Perf -13%] System.Tests.Perf_Decimal (2)
                  DrewScoggins/performance-2#2891
                  [Perf -32%] System.Collections.ContainsTrue (5)
                  DrewScoggins/performance-2#2890
                  [Perf -8%] System.Buffers.Text.Tests.Utf8FormatterTests.FormatterUInt64 
                  DrewScoggins/performance-2#2889
                  [Perf -27%] Layout.SearchLoops.LoopReturn
                  DrewScoggins/performance-2#2886
                  Related issue in CoreCLR for the thread pool change: #43905
                  Metadata
                  Metadata
                  Assignees
                  No one assigned
                    Labels
                    area-Interop-monoruntime-monospecific to the Mono runtime
                    Type
                    No type
                    Projects
                    No projects
                      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 > -20 %] [Mono] Multiple Benchmarks #43950
                      Closed
                      Closed
                      [Perf > -20 %] [Mono] Multiple Benchmarks#43950
                      Labels
                      area-Interop-monoruntime-monospecific to the Mono runtime
                      Milestone
                      6.0.0
                      Description
                      @naricc
                      naricc
                      opened on Oct 28, 2020
                      Multiple benchmarks are showing a significant regression (links to all issues below).
                      It seems like based on the dates, this is partially caused by #38225 and partially by dd23c81, roughly 50/50 each.
                      @BrzVlad@DrewScoggins
                      [Perf -25%] System.Collections.Concurrent.Count.Stack
                      DrewScoggins/performance-2#2906
                      [Perf -17%] System.Collections.CreateAddAndClear.ConcurrentQueue
                      DrewScoggins/performance-2#2905
                      [Perf -29%] System.Globalization.Tests.StringHash.GetHashCode
                      DrewScoggins/performance-2#2904
                      [Perf -26%] System.Threading.Tests.Perf_Timer.SynchronousContention
                      DrewScoggins/performance-2#2903
                      Perf -29%] System.Linq.Tests.Perf_Enumerable.Contains_ElementNotFound
                      DrewScoggins/performance-2#2902
                      [Perf -29%] System.Linq.Tests.Perf_Enumerable.Contains_ElementNotFound
                      DrewScoggins/performance-2#2902
                      [Perf -28%] System.Tests.Perf_Array (2)
                      DrewScoggins/performance-2#2900
                      [Perf -31%] BenchmarksGame.FannkuchRedux_9.RunBench
                      DrewScoggins/performance-2#2899
                      [Perf -26%] System.Collections.CreateAddAndClear.Span
                      DrewScoggins/performance-2#2898
                      [Perf -26%] System.Memory.ReadOnlySpan (2)
                      DrewScoggins/performance-2#2897
                      [Perf -24%] System.Collections.Concurrent.Count.Stack
                      DrewScoggins/performance-2#2896
                      [Perf -8%] System.MathBenchmarks.Double.CopySign
                      DrewScoggins/performance-2#2895
                      [Perf -10%] System.Reflection.Attributes.IsDefinedClassHit
                      DrewScoggins/performance-2#2894
                      [Perf -32%] System.Collections.ContainsFalse (3)
                      DrewScoggins/performance-2#2893
                      [Perf -9%] System.Text.Json.Tests.Perf_Booleans.WriteBool
                      DrewScoggins/performance-2#2892
                      [Perf -13%] System.Tests.Perf_Decimal (2)
                      DrewScoggins/performance-2#2891
                      [Perf -32%] System.Collections.ContainsTrue (5)
                      DrewScoggins/performance-2#2890
                      [Perf -8%] System.Buffers.Text.Tests.Utf8FormatterTests.FormatterUInt64 
                      DrewScoggins/performance-2#2889
                      [Perf -27%] Layout.SearchLoops.LoopReturn
                      DrewScoggins/performance-2#2886
                      Related issue in CoreCLR for the thread pool change: #43905
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                        area-Interop-monoruntime-monospecific to the Mono runtime
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, '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 > -20 %] [Mono] Multiple Benchmarks #43950
                          Closed
                          Closed
                          [Perf > -20 %] [Mono] Multiple Benchmarks#43950
                          Labels
                          area-Interop-monoruntime-monospecific to the Mono runtime
                          Milestone
                          6.0.0
                          Description
                          @naricc
                          naricc
                          opened on Oct 28, 2020
                          Multiple benchmarks are showing a significant regression (links to all issues below).
                          It seems like based on the dates, this is partially caused by #38225 and partially by dd23c81, roughly 50/50 each.
                          @BrzVlad@DrewScoggins
                          [Perf -25%] System.Collections.Concurrent.Count.Stack
                          DrewScoggins/performance-2#2906
                          [Perf -17%] System.Collections.CreateAddAndClear.ConcurrentQueue
                          DrewScoggins/performance-2#2905
                          [Perf -29%] System.Globalization.Tests.StringHash.GetHashCode
                          DrewScoggins/performance-2#2904
                          [Perf -26%] System.Threading.Tests.Perf_Timer.SynchronousContention
                          DrewScoggins/performance-2#2903
                          Perf -29%] System.Linq.Tests.Perf_Enumerable.Contains_ElementNotFound
                          DrewScoggins/performance-2#2902
                          [Perf -29%] System.Linq.Tests.Perf_Enumerable.Contains_ElementNotFound
                          DrewScoggins/performance-2#2902
                          [Perf -28%] System.Tests.Perf_Array (2)
                          DrewScoggins/performance-2#2900
                          [Perf -31%] BenchmarksGame.FannkuchRedux_9.RunBench
                          DrewScoggins/performance-2#2899
                          [Perf -26%] System.Collections.CreateAddAndClear.Span
                          DrewScoggins/performance-2#2898
                          [Perf -26%] System.Memory.ReadOnlySpan (2)
                          DrewScoggins/performance-2#2897
                          [Perf -24%] System.Collections.Concurrent.Count.Stack
                          DrewScoggins/performance-2#2896
                          [Perf -8%] System.MathBenchmarks.Double.CopySign
                          DrewScoggins/performance-2#2895
                          [Perf -10%] System.Reflection.Attributes.IsDefinedClassHit
                          DrewScoggins/performance-2#2894
                          [Perf -32%] System.Collections.ContainsFalse (3)
                          DrewScoggins/performance-2#2893
                          [Perf -9%] System.Text.Json.Tests.Perf_Booleans.WriteBool
                          DrewScoggins/performance-2#2892
                          [Perf -13%] System.Tests.Perf_Decimal (2)
                          DrewScoggins/performance-2#2891
                          [Perf -32%] System.Collections.ContainsTrue (5)
                          DrewScoggins/performance-2#2890
                          [Perf -8%] System.Buffers.Text.Tests.Utf8FormatterTests.FormatterUInt64 
                          DrewScoggins/performance-2#2889
                          [Perf -27%] Layout.SearchLoops.LoopReturn
                          DrewScoggins/performance-2#2886
                          Related issue in CoreCLR for the thread pool change: #43905
                          Metadata
                          Metadata
                          Assignees
                          No one assigned
                            Labels
                            area-Interop-monoruntime-monospecific to the Mono runtime
                            Type
                            No type
                            Projects
                            No projects
                              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 > -20 %] [Mono] Multiple Benchmarks #43950
                              Closed
                              Closed
                              [Perf > -20 %] [Mono] Multiple Benchmarks#43950
                              Labels
                              area-Interop-monoruntime-monospecific to the Mono runtime
                              Milestone
                              6.0.0
                              Description
                              @naricc
                              naricc
                              opened on Oct 28, 2020
                              Multiple benchmarks are showing a significant regression (links to all issues below).
                              It seems like based on the dates, this is partially caused by #38225 and partially by dd23c81, roughly 50/50 each.
                              @BrzVlad@DrewScoggins
                              [Perf -25%] System.Collections.Concurrent.Count.Stack
                              DrewScoggins/performance-2#2906
                              [Perf -17%] System.Collections.CreateAddAndClear.ConcurrentQueue
                              DrewScoggins/performance-2#2905
                              [Perf -29%] System.Globalization.Tests.StringHash.GetHashCode
                              DrewScoggins/performance-2#2904
                              [Perf -26%] System.Threading.Tests.Perf_Timer.SynchronousContention
                              DrewScoggins/performance-2#2903
                              Perf -29%] System.Linq.Tests.Perf_Enumerable.Contains_ElementNotFound
                              DrewScoggins/performance-2#2902
                              [Perf -29%] System.Linq.Tests.Perf_Enumerable.Contains_ElementNotFound
                              DrewScoggins/performance-2#2902
                              [Perf -28%] System.Tests.Perf_Array (2)
                              DrewScoggins/performance-2#2900
                              [Perf -31%] BenchmarksGame.FannkuchRedux_9.RunBench
                              DrewScoggins/performance-2#2899
                              [Perf -26%] System.Collections.CreateAddAndClear.Span
                              DrewScoggins/performance-2#2898
                              [Perf -26%] System.Memory.ReadOnlySpan (2)
                              DrewScoggins/performance-2#2897
                              [Perf -24%] System.Collections.Concurrent.Count.Stack
                              DrewScoggins/performance-2#2896
                              [Perf -8%] System.MathBenchmarks.Double.CopySign
                              DrewScoggins/performance-2#2895
                              [Perf -10%] System.Reflection.Attributes.IsDefinedClassHit
                              DrewScoggins/performance-2#2894
                              [Perf -32%] System.Collections.ContainsFalse (3)
                              DrewScoggins/performance-2#2893
                              [Perf -9%] System.Text.Json.Tests.Perf_Booleans.WriteBool
                              DrewScoggins/performance-2#2892
                              [Perf -13%] System.Tests.Perf_Decimal (2)
                              DrewScoggins/performance-2#2891
                              [Perf -32%] System.Collections.ContainsTrue (5)
                              DrewScoggins/performance-2#2890
                              [Perf -8%] System.Buffers.Text.Tests.Utf8FormatterTests.FormatterUInt64 
                              DrewScoggins/performance-2#2889
                              [Perf -27%] Layout.SearchLoops.LoopReturn
                              DrewScoggins/performance-2#2886
                              Related issue in CoreCLR for the thread pool change: #43905
                              Metadata
                              Metadata
                              Assignees
                              No one assigned
                                Labels
                                area-Interop-monoruntime-monospecific to the Mono runtime
                                Type
                                No type
                                Projects
                                No projects
                                  Milestone
                                  Relationships
                                  None yet
                                  Development
                                  No branches or pull requests
                                  Issue actions