System.Collections.Sort<BigStruct>.LinqQuery has regressed on all configs except Windows 64 bit #66776

Closed
Closed
System.Collections.Sort<BigStruct>.LinqQuery has regressed on all configs except Windows 64 bit#66776
Assignees
AndyAyersMS
Labels
area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMItenet-performancePerformance related issue
Milestone
8.0.0

Description

@adamsitnik
adamsitnik
opened on Mar 17, 2022

This regression seems to be specific to all configs except of Windows 64 bit.

Repro:

git clone https://github.com/dotnet/performance.git
python3 ./performance/scripts/benchmarks_ci.py -f net6.0 net7.0 --filter 'System.Collections.Sort<BigStruct>.LinqQuery'

Ubuntu Historical results

image

The diff points to #55604 (cc @alexcovington) and #59287 (cc @AndyAyersMS)

Windows Historical results

image

Details
ResultBaseDiffRatioOperating SystemBit
Same47068.4046996.121.00Windows 11X64
Same25061.0025213.920.99Windows 11X64
Same81332.0782470.680.99Windows 11X64
Same48471.0249394.980.98Windows 10X64
Same61753.9765909.260.94Windows 11X64
Same79322.9478292.411.01Windows 11X64
Slower33152.4148551.850.68ubuntu 18.04X64
Slower33670.3549233.180.68ubuntu 20.04X64
Slower65475.0884542.750.77ubuntu 18.04X64
Same102906.7195691.631.08ubuntu 18.04X64
Slower78941.9999516.660.79pop 20.04X64
Slower58025.1476420.120.76alpine 3.13X64
Slower58358.3887952.920.66debian 11X64
Same39738.0038447.431.03macOS Monterey 12.2.1Arm64
Same81077.1283539.940.97Windows 10Arm64
Same84261.4585918.340.98Windows 11Arm64
Slower51385.7675022.360.68Windows 11X86
Slower68915.3291940.600.75Windows 10X86
Slower61701.1179972.870.77Windows 10X86
Slower57559.0870356.860.82Windows 10X86
Same151162.22145951.591.04Windows 10Arm
Slower90819.89108997.550.83macOS Big Sur 11.6.3X64
Slower73211.0698121.940.75macOS Monterey 12.2.1X64
Slower79186.88106613.190.74macOS Monterey 12.2.1X64

Metadata

Metadata

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area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMItenet-performancePerformance related issue

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    , 'i'); if (__m === '*' || __re.test(location.href)) { // Add copy buttons to all 
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(function() {
function addCopyButtons() {
document.querySelectorAll('pre code').forEach(function(codeBlock) {
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btn.onmouseover = function() { this.style.opacity = '1'; };
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navigator.clipboard.writeText(codeBlock.textContent).then(function() {
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} 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
    System.Collections.Sort<BigStruct>.LinqQuery has regressed on all configs except Windows 64 bit #66776
    Closed
    Closed
    System.Collections.Sort<BigStruct>.LinqQuery has regressed on all configs except Windows 64 bit#66776
    Assignees
    AndyAyersMS
    Labels
    area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMItenet-performancePerformance related issue
    Milestone
    8.0.0
    Description
    @adamsitnik
    adamsitnik
    opened on Mar 17, 2022
    This regression seems to be specific to all configs except of Windows 64 bit.
    Repro:
    git clone https://github.com/dotnet/performance.git
python3 ./performance/scripts/benchmarks_ci.py -f net6.0 net7.0 --filter 'System.Collections.Sort<BigStruct>.LinqQuery'
    Ubuntu Historical results
    image
    The diff points to #55604 (cc @alexcovington) and #59287 (cc @AndyAyersMS)
    Windows Historical results
    image
    Details
    ResultBaseDiffRatioOperating SystemBit
    Same47068.4046996.121.00Windows 11X64
    Same25061.0025213.920.99Windows 11X64
    Same81332.0782470.680.99Windows 11X64
    Same48471.0249394.980.98Windows 10X64
    Same61753.9765909.260.94Windows 11X64
    Same79322.9478292.411.01Windows 11X64
    Slower33152.4148551.850.68ubuntu 18.04X64
    Slower33670.3549233.180.68ubuntu 20.04X64
    Slower65475.0884542.750.77ubuntu 18.04X64
    Same102906.7195691.631.08ubuntu 18.04X64
    Slower78941.9999516.660.79pop 20.04X64
    Slower58025.1476420.120.76alpine 3.13X64
    Slower58358.3887952.920.66debian 11X64
    Same39738.0038447.431.03macOS Monterey 12.2.1Arm64
    Same81077.1283539.940.97Windows 10Arm64
    Same84261.4585918.340.98Windows 11Arm64
    Slower51385.7675022.360.68Windows 11X86
    Slower68915.3291940.600.75Windows 10X86
    Slower61701.1179972.870.77Windows 10X86
    Slower57559.0870356.860.82Windows 10X86
    Same151162.22145951.591.04Windows 10Arm
    Slower90819.89108997.550.83macOS Big Sur 11.6.3X64
    Slower73211.0698121.940.75macOS Monterey 12.2.1X64
    Slower79186.88106613.190.74macOS Monterey 12.2.1X64
    Metadata
    Metadata
    Assignees
    Labels
    area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMItenet-performancePerformance related issue
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      None yet
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Force GitHub README to respect dark mode
(function() {
var style = document.createElement('style');
style.textContent = '
.markdown-body {
color-scheme: dark light;
}
.markdown-body pre { background: #161b22 !important; }
.markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }
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.markdown-body img { background: #0d1117; }
.markdown-body blockquote { border-left-color: #8b949e; }
.markdown-body hr { border-color: #30363d; }
';
document.head.appendChild(style);
})();
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

      Skip to content
      System.Collections.Sort<BigStruct>.LinqQuery has regressed on all configs except Windows 64 bit #66776
      Closed
      Closed
      System.Collections.Sort<BigStruct>.LinqQuery has regressed on all configs except Windows 64 bit#66776
      Assignees
      AndyAyersMS
      Labels
      area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMItenet-performancePerformance related issue
      Milestone
      8.0.0
      Description
      @adamsitnik
      adamsitnik
      opened on Mar 17, 2022
      This regression seems to be specific to all configs except of Windows 64 bit.
      Repro:
      git clone https://github.com/dotnet/performance.git
python3 ./performance/scripts/benchmarks_ci.py -f net6.0 net7.0 --filter 'System.Collections.Sort<BigStruct>.LinqQuery'
      Ubuntu Historical results
      image
      The diff points to #55604 (cc @alexcovington) and #59287 (cc @AndyAyersMS)
      Windows Historical results
      image
      Details
      ResultBaseDiffRatioOperating SystemBit
      Same47068.4046996.121.00Windows 11X64
      Same25061.0025213.920.99Windows 11X64
      Same81332.0782470.680.99Windows 11X64
      Same48471.0249394.980.98Windows 10X64
      Same61753.9765909.260.94Windows 11X64
      Same79322.9478292.411.01Windows 11X64
      Slower33152.4148551.850.68ubuntu 18.04X64
      Slower33670.3549233.180.68ubuntu 20.04X64
      Slower65475.0884542.750.77ubuntu 18.04X64
      Same102906.7195691.631.08ubuntu 18.04X64
      Slower78941.9999516.660.79pop 20.04X64
      Slower58025.1476420.120.76alpine 3.13X64
      Slower58358.3887952.920.66debian 11X64
      Same39738.0038447.431.03macOS Monterey 12.2.1Arm64
      Same81077.1283539.940.97Windows 10Arm64
      Same84261.4585918.340.98Windows 11Arm64
      Slower51385.7675022.360.68Windows 11X86
      Slower68915.3291940.600.75Windows 10X86
      Slower61701.1179972.870.77Windows 10X86
      Slower57559.0870356.860.82Windows 10X86
      Same151162.22145951.591.04Windows 10Arm
      Slower90819.89108997.550.83macOS Big Sur 11.6.3X64
      Slower73211.0698121.940.75macOS Monterey 12.2.1X64
      Slower79186.88106613.190.74macOS Monterey 12.2.1X64
      Metadata
      Metadata
      Assignees
      Labels
      area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMItenet-performancePerformance related issue
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        None yet
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
var terms = [];
if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {
var url = new URL(ref);
var q = url.searchParams.get('q') || url.searchParams.get('p');
if (q) {
terms = q.split(/\s+/).filter(function(t) { return t.length > 2; });
}
}
if (terms.length === 0) return;
var style = document.createElement('style');
style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';
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var text = node.textContent;
var found = false;
terms.forEach(function(term) {
var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi');
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found = true;
var frag = document.createDocumentFragment();
var parts = text.split(regex);
parts.forEach(function(part, i) {
if (i % 2 === 0) {
frag.appendChild(document.createTextNode(part));
} else {
var span = document.createElement('span');
span.className = 'userscript-highlight';
span.textContent = part;
frag.appendChild(span);
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node.parentNode.replaceChild(frag, node);
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var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];
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observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

        Skip to content
        System.Collections.Sort<BigStruct>.LinqQuery has regressed on all configs except Windows 64 bit #66776
        Closed
        Closed
        System.Collections.Sort<BigStruct>.LinqQuery has regressed on all configs except Windows 64 bit#66776
        Assignees
        AndyAyersMS
        Labels
        area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMItenet-performancePerformance related issue
        Milestone
        8.0.0
        Description
        @adamsitnik
        adamsitnik
        opened on Mar 17, 2022
        This regression seems to be specific to all configs except of Windows 64 bit.
        Repro:
        git clone https://github.com/dotnet/performance.git
python3 ./performance/scripts/benchmarks_ci.py -f net6.0 net7.0 --filter 'System.Collections.Sort<BigStruct>.LinqQuery'
        Ubuntu Historical results
        image
        The diff points to #55604 (cc @alexcovington) and #59287 (cc @AndyAyersMS)
        Windows Historical results
        image
        Details
        ResultBaseDiffRatioOperating SystemBit
        Same47068.4046996.121.00Windows 11X64
        Same25061.0025213.920.99Windows 11X64
        Same81332.0782470.680.99Windows 11X64
        Same48471.0249394.980.98Windows 10X64
        Same61753.9765909.260.94Windows 11X64
        Same79322.9478292.411.01Windows 11X64
        Slower33152.4148551.850.68ubuntu 18.04X64
        Slower33670.3549233.180.68ubuntu 20.04X64
        Slower65475.0884542.750.77ubuntu 18.04X64
        Same102906.7195691.631.08ubuntu 18.04X64
        Slower78941.9999516.660.79pop 20.04X64
        Slower58025.1476420.120.76alpine 3.13X64
        Slower58358.3887952.920.66debian 11X64
        Same39738.0038447.431.03macOS Monterey 12.2.1Arm64
        Same81077.1283539.940.97Windows 10Arm64
        Same84261.4585918.340.98Windows 11Arm64
        Slower51385.7675022.360.68Windows 11X86
        Slower68915.3291940.600.75Windows 10X86
        Slower61701.1179972.870.77Windows 10X86
        Slower57559.0870356.860.82Windows 10X86
        Same151162.22145951.591.04Windows 10Arm
        Slower90819.89108997.550.83macOS Big Sur 11.6.3X64
        Slower73211.0698121.940.75macOS Monterey 12.2.1X64
        Slower79186.88106613.190.74macOS Monterey 12.2.1X64
        Metadata
        Metadata
        Assignees
        Labels
        area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMItenet-performancePerformance related issue
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1) {
if (node.tagName === 'A') cleanLinks();
node.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} 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
          System.Collections.Sort<BigStruct>.LinqQuery has regressed on all configs except Windows 64 bit #66776
          Closed
          Closed
          System.Collections.Sort<BigStruct>.LinqQuery has regressed on all configs except Windows 64 bit#66776
          Assignees
          AndyAyersMS
          Labels
          area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMItenet-performancePerformance related issue
          Milestone
          8.0.0
          Description
          @adamsitnik
          adamsitnik
          opened on Mar 17, 2022
          This regression seems to be specific to all configs except of Windows 64 bit.
          Repro:
          git clone https://github.com/dotnet/performance.git
python3 ./performance/scripts/benchmarks_ci.py -f net6.0 net7.0 --filter 'System.Collections.Sort<BigStruct>.LinqQuery'
          Ubuntu Historical results
          image
          The diff points to #55604 (cc @alexcovington) and #59287 (cc @AndyAyersMS)
          Windows Historical results
          image
          Details
          ResultBaseDiffRatioOperating SystemBit
          Same47068.4046996.121.00Windows 11X64
          Same25061.0025213.920.99Windows 11X64
          Same81332.0782470.680.99Windows 11X64
          Same48471.0249394.980.98Windows 10X64
          Same61753.9765909.260.94Windows 11X64
          Same79322.9478292.411.01Windows 11X64
          Slower33152.4148551.850.68ubuntu 18.04X64
          Slower33670.3549233.180.68ubuntu 20.04X64
          Slower65475.0884542.750.77ubuntu 18.04X64
          Same102906.7195691.631.08ubuntu 18.04X64
          Slower78941.9999516.660.79pop 20.04X64
          Slower58025.1476420.120.76alpine 3.13X64
          Slower58358.3887952.920.66debian 11X64
          Same39738.0038447.431.03macOS Monterey 12.2.1Arm64
          Same81077.1283539.940.97Windows 10Arm64
          Same84261.4585918.340.98Windows 11Arm64
          Slower51385.7675022.360.68Windows 11X86
          Slower68915.3291940.600.75Windows 10X86
          Slower61701.1179972.870.77Windows 10X86
          Slower57559.0870356.860.82Windows 10X86
          Same151162.22145951.591.04Windows 10Arm
          Slower90819.89108997.550.83macOS Big Sur 11.6.3X64
          Slower73211.0698121.940.75macOS Monterey 12.2.1X64
          Slower79186.88106613.190.74macOS Monterey 12.2.1X64
          Metadata
          Metadata
          Assignees
          Labels
          area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMItenet-performancePerformance related issue
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            No branches or pull requests
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
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}
// Try immediately
tryTheater();
// Try after navigation (SPA)
var lastUrl = location.href;
setInterval(function() {
if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
}
}, 1000);
// Also try on player load
var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

            Skip to content
            System.Collections.Sort<BigStruct>.LinqQuery has regressed on all configs except Windows 64 bit #66776
            Closed
            Closed
            System.Collections.Sort<BigStruct>.LinqQuery has regressed on all configs except Windows 64 bit#66776
            Assignees
            AndyAyersMS
            Labels
            area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMItenet-performancePerformance related issue
            Milestone
            8.0.0
            Description
            @adamsitnik
            adamsitnik
            opened on Mar 17, 2022
            This regression seems to be specific to all configs except of Windows 64 bit.
            Repro:
            git clone https://github.com/dotnet/performance.git
python3 ./performance/scripts/benchmarks_ci.py -f net6.0 net7.0 --filter 'System.Collections.Sort<BigStruct>.LinqQuery'
            Ubuntu Historical results
            image
            The diff points to #55604 (cc @alexcovington) and #59287 (cc @AndyAyersMS)
            Windows Historical results
            image
            Details
            ResultBaseDiffRatioOperating SystemBit
            Same47068.4046996.121.00Windows 11X64
            Same25061.0025213.920.99Windows 11X64
            Same81332.0782470.680.99Windows 11X64
            Same48471.0249394.980.98Windows 10X64
            Same61753.9765909.260.94Windows 11X64
            Same79322.9478292.411.01Windows 11X64
            Slower33152.4148551.850.68ubuntu 18.04X64
            Slower33670.3549233.180.68ubuntu 20.04X64
            Slower65475.0884542.750.77ubuntu 18.04X64
            Same102906.7195691.631.08ubuntu 18.04X64
            Slower78941.9999516.660.79pop 20.04X64
            Slower58025.1476420.120.76alpine 3.13X64
            Slower58358.3887952.920.66debian 11X64
            Same39738.0038447.431.03macOS Monterey 12.2.1Arm64
            Same81077.1283539.940.97Windows 10Arm64
            Same84261.4585918.340.98Windows 11Arm64
            Slower51385.7675022.360.68Windows 11X86
            Slower68915.3291940.600.75Windows 10X86
            Slower61701.1179972.870.77Windows 10X86
            Slower57559.0870356.860.82Windows 10X86
            Same151162.22145951.591.04Windows 10Arm
            Slower90819.89108997.550.83macOS Big Sur 11.6.3X64
            Slower73211.0698121.940.75macOS Monterey 12.2.1X64
            Slower79186.88106613.190.74macOS Monterey 12.2.1X64
            Metadata
            Metadata
            Assignees
            Labels
            area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMItenet-performancePerformance related issue
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              None yet
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              No branches or pull requests
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
}
});
}
unstick();
var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

              Skip to content
              System.Collections.Sort<BigStruct>.LinqQuery has regressed on all configs except Windows 64 bit #66776
              Closed
              Closed
              System.Collections.Sort<BigStruct>.LinqQuery has regressed on all configs except Windows 64 bit#66776
              Assignees
              AndyAyersMS
              Labels
              area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMItenet-performancePerformance related issue
              Milestone
              8.0.0
              Description
              @adamsitnik
              adamsitnik
              opened on Mar 17, 2022
              This regression seems to be specific to all configs except of Windows 64 bit.
              Repro:
              git clone https://github.com/dotnet/performance.git
python3 ./performance/scripts/benchmarks_ci.py -f net6.0 net7.0 --filter 'System.Collections.Sort<BigStruct>.LinqQuery'
              Ubuntu Historical results
              image
              The diff points to #55604 (cc @alexcovington) and #59287 (cc @AndyAyersMS)
              Windows Historical results
              image
              Details
              ResultBaseDiffRatioOperating SystemBit
              Same47068.4046996.121.00Windows 11X64
              Same25061.0025213.920.99Windows 11X64
              Same81332.0782470.680.99Windows 11X64
              Same48471.0249394.980.98Windows 10X64
              Same61753.9765909.260.94Windows 11X64
              Same79322.9478292.411.01Windows 11X64
              Slower33152.4148551.850.68ubuntu 18.04X64
              Slower33670.3549233.180.68ubuntu 20.04X64
              Slower65475.0884542.750.77ubuntu 18.04X64
              Same102906.7195691.631.08ubuntu 18.04X64
              Slower78941.9999516.660.79pop 20.04X64
              Slower58025.1476420.120.76alpine 3.13X64
              Slower58358.3887952.920.66debian 11X64
              Same39738.0038447.431.03macOS Monterey 12.2.1Arm64
              Same81077.1283539.940.97Windows 10Arm64
              Same84261.4585918.340.98Windows 11Arm64
              Slower51385.7675022.360.68Windows 11X86
              Slower68915.3291940.600.75Windows 10X86
              Slower61701.1179972.870.77Windows 10X86
              Slower57559.0870356.860.82Windows 10X86
              Same151162.22145951.591.04Windows 10Arm
              Slower90819.89108997.550.83macOS Big Sur 11.6.3X64
              Slower73211.0698121.940.75macOS Monterey 12.2.1X64
              Slower79186.88106613.190.74macOS Monterey 12.2.1X64
              Metadata
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Universal Dark Mode - works on any site
(function() {
var enabled = true;
function applyDarkMode() {
if (!enabled) return;
// Create style element if it doesn't exist
var style = document.getElementById('universal-dark-mode-style');
if (!style) {
style = document.createElement('style');
style.id = 'universal-dark-mode-style';
document.head.appendChild(style);
}
// Dark mode CSS - inverts colors but preserves images/video
style.textContent = '
/* Invert everything except media */
html {
filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
}
/* Restore images, videos, iframes, canvas */
img, video, iframe, canvas, svg, picture, [style*="background-image"] {
filter: invert(1) hue-rotate(180deg) !important;
}
/* Preserve specific elements that should not be inverted */
.no-dark-mode, .no-dark-mode *,
[data-theme="light"], [data-theme="light"],
.ace_editor, .ace_editor *,
.CodeMirror, .CodeMirror *,
.monaco-editor, .monaco-editor *,
.markdown-body pre, .markdown-body pre *,
.highlight, .highlight *,
pre code, pre code * {
filter: none !important;
}
/* Fix common UI elements */
.modal, .popup, .dropdown-menu, .tooltip, .popover {
filter: invert(1) hue-rotate(180deg) !important;
background: #2d2d44 !important;
border-color: #444 !important;
}
/* Scrollbars */
::-webkit-scrollbar { background: #1a1a2e !important; }
::-webkit-scrollbar-thumb { background: #444 !important; }
::-webkit-scrollbar-thumb:hover { background: #555 !important; }
/* Selection */
::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
';
}
function removeDarkMode() {
var style = document.getElementById('universal-dark-mode-style');
if (style) style.remove();
}
// Toggle with Alt+Shift+D
document.addEventListener('keydown', function(e) {
if (e.altKey && e.shiftKey && e.key === 'D') {
e.preventDefault();
enabled = !enabled;
if (enabled) {
applyDarkMode();
console.log('[Universal Dark Mode] Enabled');
} else {
removeDarkMode();
console.log('[Universal Dark Mode] Disabled');
}
}
});
// Apply on load
applyDarkMode();
// Re-apply on dynamic content
var observer = new MutationObserver(function(mutations) {
if (enabled && !document.getElementById('universal-dark-mode-style')) {
applyDarkMode();
}
});
observer.observe(document.head, { childList: true });
console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');
})();
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

                Skip to content
                System.Collections.Sort<BigStruct>.LinqQuery has regressed on all configs except Windows 64 bit #66776
                Closed
                Closed
                System.Collections.Sort<BigStruct>.LinqQuery has regressed on all configs except Windows 64 bit#66776
                Assignees
                AndyAyersMS
                Labels
                area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMItenet-performancePerformance related issue
                Milestone
                8.0.0
                Description
                @adamsitnik
                adamsitnik
                opened on Mar 17, 2022
                This regression seems to be specific to all configs except of Windows 64 bit.
                Repro:
                git clone https://github.com/dotnet/performance.git
python3 ./performance/scripts/benchmarks_ci.py -f net6.0 net7.0 --filter 'System.Collections.Sort<BigStruct>.LinqQuery'
                Ubuntu Historical results
                image
                The diff points to #55604 (cc @alexcovington) and #59287 (cc @AndyAyersMS)
                Windows Historical results
                image
                Details
                ResultBaseDiffRatioOperating SystemBit
                Same47068.4046996.121.00Windows 11X64
                Same25061.0025213.920.99Windows 11X64
                Same81332.0782470.680.99Windows 11X64
                Same48471.0249394.980.98Windows 10X64
                Same61753.9765909.260.94Windows 11X64
                Same79322.9478292.411.01Windows 11X64
                Slower33152.4148551.850.68ubuntu 18.04X64
                Slower33670.3549233.180.68ubuntu 20.04X64
                Slower65475.0884542.750.77ubuntu 18.04X64
                Same102906.7195691.631.08ubuntu 18.04X64
                Slower78941.9999516.660.79pop 20.04X64
                Slower58025.1476420.120.76alpine 3.13X64
                Slower58358.3887952.920.66debian 11X64
                Same39738.0038447.431.03macOS Monterey 12.2.1Arm64
                Same81077.1283539.940.97Windows 10Arm64
                Same84261.4585918.340.98Windows 11Arm64
                Slower51385.7675022.360.68Windows 11X86
                Slower68915.3291940.600.75Windows 10X86
                Slower61701.1179972.870.77Windows 10X86
                Slower57559.0870356.860.82Windows 10X86
                Same151162.22145951.591.04Windows 10Arm
                Slower90819.89108997.550.83macOS Big Sur 11.6.3X64
                Slower73211.0698121.940.75macOS Monterey 12.2.1X64
                Slower79186.88106613.190.74macOS Monterey 12.2.1X64
                Metadata
                Metadata
                Assignees
                Labels
                area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMItenet-performancePerformance related issue
                Type
                No type
                Projects
                No projects
                  Milestone
                  Relationships
                  None yet
                  Development
                  No branches or pull requests
                  Issue actions