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System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany has regressed on 64 bit Windows #67972

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Closed
System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany has regressed on 64 bit Windows#67972
Assignees
PeterSolMS
Labels
arch-arm64arch-x64area-GC-coreclros-windowstenet-performancePerformance related issue
Milestone
7.0.0

Description

@adamsitnik
adamsitnik
opened on Apr 13, 2022

System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany has regressed on 64 bit Windows (both x64 and arm64).

Reporting System

image

Looking at the diff which contains only 2 commits I am guessing that it was caused by #60248 (cc @PeterSolMS) but I am not sure.

Repro:

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_monthly.py net7.0-preview2 net7.0-preview3 --filter System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany
Details

System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany

ResultRatioOperating SystemBitProcessor NameModality
Same1.06alpine 3.12Arm64Unknown processor
Same1.05ubuntu 18.04Arm64Unknown processor
Slower0.86Windows 10Arm64Microsoft SQ1 3.0 GHzbimodal
Slower0.87Windows 11Arm64Microsoft SQ1 3.0 GHzseveral?
Slower0.76macOS Monterey 12.3Arm64Apple M1 Max
Slower0.81Windows 11X64AMD Ryzen Threadripper PRO 3945WX 12-Cores
Slower0.80Windows 11X64Intel Core i7-8700 CPU 3.20GHz (Coffee Lake)
Slower0.82Windows 11X64Intel Core i9-9900T CPU 2.10GHz
Same0.97alpine 3.13X64Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)
Same1.09centos 7X64Intel Xeon CPU E5530 2.40GHz
Same0.97debian 11X64Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)bimodal
Same0.99opensuse-leap 15.3X64Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)
Same1.10ubuntu 18.04X64Intel Xeon CPU E5-1650 v4 3.60GHzbimodal
Faster1.21ubuntu 18.04X64Intel Core i7-2720QM CPU 2.20GHz (Sandy Bridge)
Same1.08Windows 10ArmMicrosoft SQ1 3.0 GHz
Same1.02ubuntu 18.04ArmARMv7 Processor rev 3 (v7l)several?
Same0.92Windows 10X86Intel Xeon CPU E5-1650 v4 3.60GHzseveral?
Same0.95Windows 11X86AMD Ryzen Threadripper PRO 3945WX 12-Coresbimodal
Faster1.70Windows 11X86Intel Core i7-10510U CPU 1.80GHz
Same1.03Windows 7 SP1X86Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)bimodal
Slower0.88macOS Monterey 12.2.1X64Intel Core i7-5557U CPU 3.10GHz (Broadwell)
Slower0.88macOS Monterey 12.3.1X64Intel Core i7-4870HQ CPU 2.50GHz (Haswell)bimodal

Metadata

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arch-arm64arch-x64area-GC-coreclros-windowstenet-performancePerformance related issue

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System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany has regressed on 64 bit Windows · Issue #67972 · dotnet/runtime · GitHub
    Skip to content
    System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany has regressed on 64 bit Windows #67972
    Closed
    Closed
    System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany has regressed on 64 bit Windows#67972
    Assignees
    PeterSolMS
    Labels
    arch-arm64arch-x64area-GC-coreclros-windowstenet-performancePerformance related issue
    Milestone
    7.0.0
    Description
    @adamsitnik
    adamsitnik
    opened on Apr 13, 2022
    System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany has regressed on 64 bit Windows (both x64 and arm64).
    Reporting System
    image
    Looking at the diff which contains only 2 commits I am guessing that it was caused by #60248 (cc @PeterSolMS) but I am not sure.
    Repro:
    git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_monthly.py net7.0-preview2 net7.0-preview3 --filter System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany
    Details
    System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany
    ResultRatioOperating SystemBitProcessor NameModality
    Same1.06alpine 3.12Arm64Unknown processor
    Same1.05ubuntu 18.04Arm64Unknown processor
    Slower0.86Windows 10Arm64Microsoft SQ1 3.0 GHzbimodal
    Slower0.87Windows 11Arm64Microsoft SQ1 3.0 GHzseveral?
    Slower0.76macOS Monterey 12.3Arm64Apple M1 Max
    Slower0.81Windows 11X64AMD Ryzen Threadripper PRO 3945WX 12-Cores
    Slower0.80Windows 11X64Intel Core i7-8700 CPU 3.20GHz (Coffee Lake)
    Slower0.82Windows 11X64Intel Core i9-9900T CPU 2.10GHz
    Same0.97alpine 3.13X64Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)
    Same1.09centos 7X64Intel Xeon CPU E5530 2.40GHz
    Same0.97debian 11X64Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)bimodal
    Same0.99opensuse-leap 15.3X64Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)
    Same1.10ubuntu 18.04X64Intel Xeon CPU E5-1650 v4 3.60GHzbimodal
    Faster1.21ubuntu 18.04X64Intel Core i7-2720QM CPU 2.20GHz (Sandy Bridge)
    Same1.08Windows 10ArmMicrosoft SQ1 3.0 GHz
    Same1.02ubuntu 18.04ArmARMv7 Processor rev 3 (v7l)several?
    Same0.92Windows 10X86Intel Xeon CPU E5-1650 v4 3.60GHzseveral?
    Same0.95Windows 11X86AMD Ryzen Threadripper PRO 3945WX 12-Coresbimodal
    Faster1.70Windows 11X86Intel Core i7-10510U CPU 1.80GHz
    Same1.03Windows 7 SP1X86Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)bimodal
    Slower0.88macOS Monterey 12.2.1X64Intel Core i7-5557U CPU 3.10GHz (Broadwell)
    Slower0.88macOS Monterey 12.3.1X64Intel Core i7-4870HQ CPU 2.50GHz (Haswell)bimodal
    Metadata
    Metadata
    Assignees
    Labels
    arch-arm64arch-x64area-GC-coreclros-windowstenet-performancePerformance related issue
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    No projects
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      None yet
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      No branches or pull requests
      Issue actions
      
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(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany has regressed on 64 bit Windows · Issue #67972 · dotnet/runtime · GitHub
      Skip to content
      System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany has regressed on 64 bit Windows #67972
      Closed
      Closed
      System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany has regressed on 64 bit Windows#67972
      Assignees
      PeterSolMS
      Labels
      arch-arm64arch-x64area-GC-coreclros-windowstenet-performancePerformance related issue
      Milestone
      7.0.0
      Description
      @adamsitnik
      adamsitnik
      opened on Apr 13, 2022
      System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany has regressed on 64 bit Windows (both x64 and arm64).
      Reporting System
      image
      Looking at the diff which contains only 2 commits I am guessing that it was caused by #60248 (cc @PeterSolMS) but I am not sure.
      Repro:
      git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_monthly.py net7.0-preview2 net7.0-preview3 --filter System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany
      Details
      System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany
      ResultRatioOperating SystemBitProcessor NameModality
      Same1.06alpine 3.12Arm64Unknown processor
      Same1.05ubuntu 18.04Arm64Unknown processor
      Slower0.86Windows 10Arm64Microsoft SQ1 3.0 GHzbimodal
      Slower0.87Windows 11Arm64Microsoft SQ1 3.0 GHzseveral?
      Slower0.76macOS Monterey 12.3Arm64Apple M1 Max
      Slower0.81Windows 11X64AMD Ryzen Threadripper PRO 3945WX 12-Cores
      Slower0.80Windows 11X64Intel Core i7-8700 CPU 3.20GHz (Coffee Lake)
      Slower0.82Windows 11X64Intel Core i9-9900T CPU 2.10GHz
      Same0.97alpine 3.13X64Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)
      Same1.09centos 7X64Intel Xeon CPU E5530 2.40GHz
      Same0.97debian 11X64Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)bimodal
      Same0.99opensuse-leap 15.3X64Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)
      Same1.10ubuntu 18.04X64Intel Xeon CPU E5-1650 v4 3.60GHzbimodal
      Faster1.21ubuntu 18.04X64Intel Core i7-2720QM CPU 2.20GHz (Sandy Bridge)
      Same1.08Windows 10ArmMicrosoft SQ1 3.0 GHz
      Same1.02ubuntu 18.04ArmARMv7 Processor rev 3 (v7l)several?
      Same0.92Windows 10X86Intel Xeon CPU E5-1650 v4 3.60GHzseveral?
      Same0.95Windows 11X86AMD Ryzen Threadripper PRO 3945WX 12-Coresbimodal
      Faster1.70Windows 11X86Intel Core i7-10510U CPU 1.80GHz
      Same1.03Windows 7 SP1X86Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)bimodal
      Slower0.88macOS Monterey 12.2.1X64Intel Core i7-5557U CPU 3.10GHz (Broadwell)
      Slower0.88macOS Monterey 12.3.1X64Intel Core i7-4870HQ CPU 2.50GHz (Haswell)bimodal
      Metadata
      Metadata
      Assignees
      Labels
      arch-arm64arch-x64area-GC-coreclros-windowstenet-performancePerformance related issue
      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)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
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var ref = document.referrer;
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Array.from(node.childNodes).forEach(highlight);
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observer.observe(document.body, { childList: true, subtree: true });
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} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany has regressed on 64 bit Windows · Issue #67972 · dotnet/runtime · GitHub
        Skip to content
        System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany has regressed on 64 bit Windows #67972
        Closed
        Closed
        System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany has regressed on 64 bit Windows#67972
        Assignees
        PeterSolMS
        Labels
        arch-arm64arch-x64area-GC-coreclros-windowstenet-performancePerformance related issue
        Milestone
        7.0.0
        Description
        @adamsitnik
        adamsitnik
        opened on Apr 13, 2022
        System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany has regressed on 64 bit Windows (both x64 and arm64).
        Reporting System
        image
        Looking at the diff which contains only 2 commits I am guessing that it was caused by #60248 (cc @PeterSolMS) but I am not sure.
        Repro:
        git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_monthly.py net7.0-preview2 net7.0-preview3 --filter System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany
        Details
        System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany
        ResultRatioOperating SystemBitProcessor NameModality
        Same1.06alpine 3.12Arm64Unknown processor
        Same1.05ubuntu 18.04Arm64Unknown processor
        Slower0.86Windows 10Arm64Microsoft SQ1 3.0 GHzbimodal
        Slower0.87Windows 11Arm64Microsoft SQ1 3.0 GHzseveral?
        Slower0.76macOS Monterey 12.3Arm64Apple M1 Max
        Slower0.81Windows 11X64AMD Ryzen Threadripper PRO 3945WX 12-Cores
        Slower0.80Windows 11X64Intel Core i7-8700 CPU 3.20GHz (Coffee Lake)
        Slower0.82Windows 11X64Intel Core i9-9900T CPU 2.10GHz
        Same0.97alpine 3.13X64Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)
        Same1.09centos 7X64Intel Xeon CPU E5530 2.40GHz
        Same0.97debian 11X64Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)bimodal
        Same0.99opensuse-leap 15.3X64Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)
        Same1.10ubuntu 18.04X64Intel Xeon CPU E5-1650 v4 3.60GHzbimodal
        Faster1.21ubuntu 18.04X64Intel Core i7-2720QM CPU 2.20GHz (Sandy Bridge)
        Same1.08Windows 10ArmMicrosoft SQ1 3.0 GHz
        Same1.02ubuntu 18.04ArmARMv7 Processor rev 3 (v7l)several?
        Same0.92Windows 10X86Intel Xeon CPU E5-1650 v4 3.60GHzseveral?
        Same0.95Windows 11X86AMD Ryzen Threadripper PRO 3945WX 12-Coresbimodal
        Faster1.70Windows 11X86Intel Core i7-10510U CPU 1.80GHz
        Same1.03Windows 7 SP1X86Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)bimodal
        Slower0.88macOS Monterey 12.2.1X64Intel Core i7-5557U CPU 3.10GHz (Broadwell)
        Slower0.88macOS Monterey 12.3.1X64Intel Core i7-4870HQ CPU 2.50GHz (Haswell)bimodal
        Metadata
        Metadata
        Assignees
        Labels
        arch-arm64arch-x64area-GC-coreclros-windowstenet-performancePerformance related issue
        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)) {
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(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;
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});
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return url;
}
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document.querySelectorAll('a[href]').forEach(function(a) {
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})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '
System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany has regressed on 64 bit Windows · Issue #67972 · dotnet/runtime · GitHub
          Skip to content
          System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany has regressed on 64 bit Windows #67972
          Closed
          Closed
          System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany has regressed on 64 bit Windows#67972
          Assignees
          PeterSolMS
          Labels
          arch-arm64arch-x64area-GC-coreclros-windowstenet-performancePerformance related issue
          Milestone
          7.0.0
          Description
          @adamsitnik
          adamsitnik
          opened on Apr 13, 2022
          System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany has regressed on 64 bit Windows (both x64 and arm64).
          Reporting System
          image
          Looking at the diff which contains only 2 commits I am guessing that it was caused by #60248 (cc @PeterSolMS) but I am not sure.
          Repro:
          git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_monthly.py net7.0-preview2 net7.0-preview3 --filter System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany
          Details
          System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany
          ResultRatioOperating SystemBitProcessor NameModality
          Same1.06alpine 3.12Arm64Unknown processor
          Same1.05ubuntu 18.04Arm64Unknown processor
          Slower0.86Windows 10Arm64Microsoft SQ1 3.0 GHzbimodal
          Slower0.87Windows 11Arm64Microsoft SQ1 3.0 GHzseveral?
          Slower0.76macOS Monterey 12.3Arm64Apple M1 Max
          Slower0.81Windows 11X64AMD Ryzen Threadripper PRO 3945WX 12-Cores
          Slower0.80Windows 11X64Intel Core i7-8700 CPU 3.20GHz (Coffee Lake)
          Slower0.82Windows 11X64Intel Core i9-9900T CPU 2.10GHz
          Same0.97alpine 3.13X64Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)
          Same1.09centos 7X64Intel Xeon CPU E5530 2.40GHz
          Same0.97debian 11X64Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)bimodal
          Same0.99opensuse-leap 15.3X64Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)
          Same1.10ubuntu 18.04X64Intel Xeon CPU E5-1650 v4 3.60GHzbimodal
          Faster1.21ubuntu 18.04X64Intel Core i7-2720QM CPU 2.20GHz (Sandy Bridge)
          Same1.08Windows 10ArmMicrosoft SQ1 3.0 GHz
          Same1.02ubuntu 18.04ArmARMv7 Processor rev 3 (v7l)several?
          Same0.92Windows 10X86Intel Xeon CPU E5-1650 v4 3.60GHzseveral?
          Same0.95Windows 11X86AMD Ryzen Threadripper PRO 3945WX 12-Coresbimodal
          Faster1.70Windows 11X86Intel Core i7-10510U CPU 1.80GHz
          Same1.03Windows 7 SP1X86Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)bimodal
          Slower0.88macOS Monterey 12.2.1X64Intel Core i7-5557U CPU 3.10GHz (Broadwell)
          Slower0.88macOS Monterey 12.3.1X64Intel Core i7-4870HQ CPU 2.50GHz (Haswell)bimodal
          Metadata
          Metadata
          Assignees
          Labels
          arch-arm64arch-x64area-GC-coreclros-windowstenet-performancePerformance related issue
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          No projects
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            Relationships
            None yet
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            No branches or pull requests
            Issue actions
            
, '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();
}
}
// 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('^' + ".*" + '
System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany has regressed on 64 bit Windows · Issue #67972 · dotnet/runtime · GitHub
            Skip to content
            System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany has regressed on 64 bit Windows #67972
            Closed
            Closed
            System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany has regressed on 64 bit Windows#67972
            Assignees
            PeterSolMS
            Labels
            arch-arm64arch-x64area-GC-coreclros-windowstenet-performancePerformance related issue
            Milestone
            7.0.0
            Description
            @adamsitnik
            adamsitnik
            opened on Apr 13, 2022
            System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany has regressed on 64 bit Windows (both x64 and arm64).
            Reporting System
            image
            Looking at the diff which contains only 2 commits I am guessing that it was caused by #60248 (cc @PeterSolMS) but I am not sure.
            Repro:
            git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_monthly.py net7.0-preview2 net7.0-preview3 --filter System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany
            Details
            System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany
            ResultRatioOperating SystemBitProcessor NameModality
            Same1.06alpine 3.12Arm64Unknown processor
            Same1.05ubuntu 18.04Arm64Unknown processor
            Slower0.86Windows 10Arm64Microsoft SQ1 3.0 GHzbimodal
            Slower0.87Windows 11Arm64Microsoft SQ1 3.0 GHzseveral?
            Slower0.76macOS Monterey 12.3Arm64Apple M1 Max
            Slower0.81Windows 11X64AMD Ryzen Threadripper PRO 3945WX 12-Cores
            Slower0.80Windows 11X64Intel Core i7-8700 CPU 3.20GHz (Coffee Lake)
            Slower0.82Windows 11X64Intel Core i9-9900T CPU 2.10GHz
            Same0.97alpine 3.13X64Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)
            Same1.09centos 7X64Intel Xeon CPU E5530 2.40GHz
            Same0.97debian 11X64Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)bimodal
            Same0.99opensuse-leap 15.3X64Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)
            Same1.10ubuntu 18.04X64Intel Xeon CPU E5-1650 v4 3.60GHzbimodal
            Faster1.21ubuntu 18.04X64Intel Core i7-2720QM CPU 2.20GHz (Sandy Bridge)
            Same1.08Windows 10ArmMicrosoft SQ1 3.0 GHz
            Same1.02ubuntu 18.04ArmARMv7 Processor rev 3 (v7l)several?
            Same0.92Windows 10X86Intel Xeon CPU E5-1650 v4 3.60GHzseveral?
            Same0.95Windows 11X86AMD Ryzen Threadripper PRO 3945WX 12-Coresbimodal
            Faster1.70Windows 11X86Intel Core i7-10510U CPU 1.80GHz
            Same1.03Windows 7 SP1X86Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)bimodal
            Slower0.88macOS Monterey 12.2.1X64Intel Core i7-5557U CPU 3.10GHz (Broadwell)
            Slower0.88macOS Monterey 12.3.1X64Intel Core i7-4870HQ CPU 2.50GHz (Haswell)bimodal
            Metadata
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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('^' + ".*" + '
System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany has regressed on 64 bit Windows · Issue #67972 · dotnet/runtime · GitHub
              Skip to content
              System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany has regressed on 64 bit Windows #67972
              Closed
              Closed
              System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany has regressed on 64 bit Windows#67972
              Assignees
              PeterSolMS
              Labels
              arch-arm64arch-x64area-GC-coreclros-windowstenet-performancePerformance related issue
              Milestone
              7.0.0
              Description
              @adamsitnik
              adamsitnik
              opened on Apr 13, 2022
              System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany has regressed on 64 bit Windows (both x64 and arm64).
              Reporting System
              image
              Looking at the diff which contains only 2 commits I am guessing that it was caused by #60248 (cc @PeterSolMS) but I am not sure.
              Repro:
              git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_monthly.py net7.0-preview2 net7.0-preview3 --filter System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany
              Details
              System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany
              ResultRatioOperating SystemBitProcessor NameModality
              Same1.06alpine 3.12Arm64Unknown processor
              Same1.05ubuntu 18.04Arm64Unknown processor
              Slower0.86Windows 10Arm64Microsoft SQ1 3.0 GHzbimodal
              Slower0.87Windows 11Arm64Microsoft SQ1 3.0 GHzseveral?
              Slower0.76macOS Monterey 12.3Arm64Apple M1 Max
              Slower0.81Windows 11X64AMD Ryzen Threadripper PRO 3945WX 12-Cores
              Slower0.80Windows 11X64Intel Core i7-8700 CPU 3.20GHz (Coffee Lake)
              Slower0.82Windows 11X64Intel Core i9-9900T CPU 2.10GHz
              Same0.97alpine 3.13X64Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)
              Same1.09centos 7X64Intel Xeon CPU E5530 2.40GHz
              Same0.97debian 11X64Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)bimodal
              Same0.99opensuse-leap 15.3X64Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)
              Same1.10ubuntu 18.04X64Intel Xeon CPU E5-1650 v4 3.60GHzbimodal
              Faster1.21ubuntu 18.04X64Intel Core i7-2720QM CPU 2.20GHz (Sandy Bridge)
              Same1.08Windows 10ArmMicrosoft SQ1 3.0 GHz
              Same1.02ubuntu 18.04ArmARMv7 Processor rev 3 (v7l)several?
              Same0.92Windows 10X86Intel Xeon CPU E5-1650 v4 3.60GHzseveral?
              Same0.95Windows 11X86AMD Ryzen Threadripper PRO 3945WX 12-Coresbimodal
              Faster1.70Windows 11X86Intel Core i7-10510U CPU 1.80GHz
              Same1.03Windows 7 SP1X86Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)bimodal
              Slower0.88macOS Monterey 12.2.1X64Intel Core i7-5557U CPU 3.10GHz (Broadwell)
              Slower0.88macOS Monterey 12.3.1X64Intel Core i7-4870HQ CPU 2.50GHz (Haswell)bimodal
              Metadata
              Metadata
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              Labels
              arch-arm64arch-x64area-GC-coreclros-windowstenet-performancePerformance related issue
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              No type
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              No projects
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                Relationships
                None yet
                Development
                No branches or pull requests
                Issue actions
                
, '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); }
})();
})();
System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany has regressed on 64 bit Windows · Issue #67972 · dotnet/runtime · GitHub
                Skip to content
                System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany has regressed on 64 bit Windows #67972
                Closed
                Closed
                System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany has regressed on 64 bit Windows#67972
                Assignees
                PeterSolMS
                Labels
                arch-arm64arch-x64area-GC-coreclros-windowstenet-performancePerformance related issue
                Milestone
                7.0.0
                Description
                @adamsitnik
                adamsitnik
                opened on Apr 13, 2022
                System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany has regressed on 64 bit Windows (both x64 and arm64).
                Reporting System
                image
                Looking at the diff which contains only 2 commits I am guessing that it was caused by #60248 (cc @PeterSolMS) but I am not sure.
                Repro:
                git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_monthly.py net7.0-preview2 net7.0-preview3 --filter System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany
                Details
                System.Threading.Tests.Perf_Timer.ScheduleManyThenDisposeMany
                ResultRatioOperating SystemBitProcessor NameModality
                Same1.06alpine 3.12Arm64Unknown processor
                Same1.05ubuntu 18.04Arm64Unknown processor
                Slower0.86Windows 10Arm64Microsoft SQ1 3.0 GHzbimodal
                Slower0.87Windows 11Arm64Microsoft SQ1 3.0 GHzseveral?
                Slower0.76macOS Monterey 12.3Arm64Apple M1 Max
                Slower0.81Windows 11X64AMD Ryzen Threadripper PRO 3945WX 12-Cores
                Slower0.80Windows 11X64Intel Core i7-8700 CPU 3.20GHz (Coffee Lake)
                Slower0.82Windows 11X64Intel Core i9-9900T CPU 2.10GHz
                Same0.97alpine 3.13X64Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)
                Same1.09centos 7X64Intel Xeon CPU E5530 2.40GHz
                Same0.97debian 11X64Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)bimodal
                Same0.99opensuse-leap 15.3X64Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)
                Same1.10ubuntu 18.04X64Intel Xeon CPU E5-1650 v4 3.60GHzbimodal
                Faster1.21ubuntu 18.04X64Intel Core i7-2720QM CPU 2.20GHz (Sandy Bridge)
                Same1.08Windows 10ArmMicrosoft SQ1 3.0 GHz
                Same1.02ubuntu 18.04ArmARMv7 Processor rev 3 (v7l)several?
                Same0.92Windows 10X86Intel Xeon CPU E5-1650 v4 3.60GHzseveral?
                Same0.95Windows 11X86AMD Ryzen Threadripper PRO 3945WX 12-Coresbimodal
                Faster1.70Windows 11X86Intel Core i7-10510U CPU 1.80GHz
                Same1.03Windows 7 SP1X86Intel Core i7-7700 CPU 3.60GHz (Kaby Lake)bimodal
                Slower0.88macOS Monterey 12.2.1X64Intel Core i7-5557U CPU 3.10GHz (Broadwell)
                Slower0.88macOS Monterey 12.3.1X64Intel Core i7-4870HQ CPU 2.50GHz (Haswell)bimodal
                Metadata
                Metadata
                Assignees
                Labels
                arch-arm64arch-x64area-GC-coreclros-windowstenet-performancePerformance related issue
                Type
                No type
                Projects
                No projects
                  Milestone
                  Relationships
                  None yet
                  Development
                  No branches or pull requests
                  Issue actions