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dotnet / perf-autofiling-issues

A landing place for auto-filed performance issues before they receive triage
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[Perf] Windows/x64: 12 Regressions on 10/7/2023 7:16:36 AM #22922

Open performanceautofiler[bot] opened 1 year ago

performanceautofiler[bot] commented 1 year ago

Run Information

Name Value
Architecture x64
OS Windows 10.0.19042
Queue OwlWindows
Baseline 39c3392887fcf6710e665011b5b96266edcaee33
Compare f21a2666c577306e437f80fe934d76cdb15072a5
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_Char

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
19.31 ns 21.15 ns 1.10 0.07 False
17.14 ns 18.37 ns 1.07 0.06 False

graph graph Test Report

Repro

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

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_Char*'
### Payloads [Baseline]() [Compare]() ### System.Tests.Perf_Char.Char_ToLower(c: 'İ', cultureName: en-US) #### ETL Files #### Histogram #### Description of detection logic ``` IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small. IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline. IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small. IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small. IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline. IsRegressionWindowed: Marked as regression because 21.153311882223388 > 20.15454720597008. IsChangePoint: Marked as a change because one of 6/9/2023 2:21:24 AM, 7/17/2023 6:26:12 PM, 7/31/2023 7:57:50 PM, 10/6/2023 9:14:38 AM, 10/9/2023 8:09:24 PM falls between 10/1/2023 6:53:23 AM and 10/9/2023 8:09:24 PM. IsRegressionStdDev: Marked as regression because -12.721559829195519 (T) = (0 -20.981030764491347) / Math.Sqrt((0.02594663055141394 / (29)) + (0.13841116861801164 / (7))) is less than -2.0322445093148245 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (7) - 2, .025) and -0.09549253294492609 = (19.1521440206349 - 20.981030764491347) / 19.1521440206349 is less than -0.05. IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small. IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so. ``` #### JIT Disasms ### System.Tests.Perf_Char.Char_ToLower(c: '你', cultureName: zh-Hans) #### ETL Files #### Histogram #### Description of detection logic ``` IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small. IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline. IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small. IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small. IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline. IsRegressionWindowed: Marked as regression because 18.37184464478919 > 17.971939271938144. IsChangePoint: Marked as a change because one of 6/20/2023 3:32:08 AM, 7/13/2023 3:06:28 AM, 8/29/2023 4:22:52 PM, 9/28/2023 2:34:07 PM, 10/6/2023 9:14:38 AM, 10/9/2023 8:09:24 PM falls between 10/1/2023 6:53:23 AM and 10/9/2023 8:09:24 PM. IsRegressionStdDev: Marked as regression because -181.62324248411696 (T) = (0 -18.383723757487058) / Math.Sqrt((0.001101597222796295 / (29)) + (7.042923745965966E-05 / (7))) is less than -2.0322445093148245 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (7) - 2, .025) and -0.07351594125366184 = (17.124779475578514 - 18.383723757487058) / 17.124779475578514 is less than -0.05. IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small. IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so. ``` #### JIT Disasms ### Docs [Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md) [Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

Run Information

Name Value
Architecture x64
OS Windows 10.0.19042
Queue OwlWindows
Baseline 39c3392887fcf6710e665011b5b96266edcaee33
Compare f21a2666c577306e437f80fe934d76cdb15072a5
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.MathBenchmarks.Double

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
27.49 μs 37.09 μs 1.35 0.02 False

graph Test Report

Repro

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

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.MathBenchmarks.Double*'
### Payloads [Baseline]() [Compare]() ### System.MathBenchmarks.Double.ExpM1 #### ETL Files #### Histogram #### Description of detection logic ``` IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small. IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline. IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small. IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small. IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline. IsRegressionWindowed: Marked as regression because 37.08641977163462 > 28.86590674428823. IsChangePoint: Marked as a change because one of 9/26/2023 11:02:05 PM, 9/28/2023 2:34:07 PM, 10/6/2023 9:14:38 AM, 10/9/2023 8:09:24 PM falls between 10/1/2023 6:53:23 AM and 10/9/2023 8:09:24 PM. IsRegressionStdDev: Marked as regression because -62.64111405330199 (T) = (0 -37042.09283835181) / Math.Sqrt((3136.8538978011625 / (29)) + (161602.6549263896 / (7))) is less than -2.0322445093148245 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (7) - 2, .025) and -0.34688416323056914 = (27502.062797668135 - 37042.09283835181) / 27502.062797668135 is less than -0.05. IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small. IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so. ``` #### JIT Disasms ### Docs [Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md) [Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

Run Information

Name Value
Architecture x64
OS Windows 10.0.19042
Queue OwlWindows
Baseline 39c3392887fcf6710e665011b5b96266edcaee33
Compare f21a2666c577306e437f80fe934d76cdb15072a5
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Text.Perf_Ascii

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
9.09 ns 14.99 ns 1.65 0.07 False
13.64 ns 15.35 ns 1.13 0.05 False
8.60 ns 14.98 ns 1.74 0.08 False
9.43 ns 11.24 ns 1.19 0.04 False
13.36 ns 16.25 ns 1.22 0.05 False

graph graph graph graph graph Test Report

Repro

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

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Perf_Ascii*'
### Payloads [Baseline]() [Compare]() ### System.Text.Perf_Ascii.ToLowerInPlace_Bytes(Size: 128) #### ETL Files #### Histogram #### Description of detection logic ``` IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small. IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline. IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small. IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small. IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline. IsRegressionWindowed: Marked as regression because 14.987040752310824 > 9.566549585935247. IsChangePoint: Marked as a change because one of 7/1/2023 6:36:20 PM, 7/4/2023 5:42:46 PM, 7/28/2023 3:39:20 PM, 8/22/2023 10:44:27 PM, 10/6/2023 9:14:38 AM, 10/9/2023 8:09:24 PM falls between 10/1/2023 6:53:23 AM and 10/9/2023 8:09:24 PM. IsRegressionStdDev: Marked as regression because -669.7614017708258 (T) = (0 -14.986202696092958) / Math.Sqrt((0.002182197840037078 / (29)) + (1.089523427901822E-05 / (7))) is less than -2.0322445093148245 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (7) - 2, .025) and -0.6438494988446962 = (9.116529649840402 - 14.986202696092958) / 9.116529649840402 is less than -0.05. IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small. IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so. ``` #### JIT Disasms ### System.Text.Perf_Ascii.ToLower_Bytes(Size: 128) #### ETL Files #### Histogram #### Description of detection logic ``` IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small. IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline. IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small. IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small. IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline. IsRegressionWindowed: Marked as regression because 15.350005135037913 > 14.415616196572598. IsChangePoint: Marked as a change because one of 6/9/2023 2:21:24 AM, 7/14/2023 2:26:40 PM, 8/22/2023 10:44:27 PM, 10/6/2023 9:14:38 AM, 10/9/2023 8:09:24 PM falls between 10/1/2023 6:53:23 AM and 10/9/2023 8:09:24 PM. IsRegressionStdDev: Marked as regression because -65.18805784706619 (T) = (0 -15.310503573580961) / Math.Sqrt((0.0043549721178595385 / (29)) + (0.003232676329009558 / (7))) is less than -2.0322445093148245 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (7) - 2, .025) and -0.11772932778190615 = (13.69786333151346 - 15.310503573580961) / 13.69786333151346 is less than -0.05. IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small. IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so. ``` #### JIT Disasms ### System.Text.Perf_Ascii.ToUpperInPlace_Bytes(Size: 128) #### ETL Files #### Histogram #### Description of detection logic ``` IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small. IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline. IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small. IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small. IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline. IsRegressionWindowed: Marked as regression because 14.97911430587015 > 9.007023045711305. IsChangePoint: Marked as a change because one of 7/1/2023 6:36:20 PM, 7/4/2023 5:42:46 PM, 7/28/2023 3:39:20 PM, 8/22/2023 10:44:27 PM, 10/6/2023 9:14:38 AM, 10/9/2023 8:09:24 PM falls between 10/1/2023 6:53:23 AM and 10/9/2023 8:09:24 PM. IsRegressionStdDev: Marked as regression because -543.1913592752442 (T) = (0 -14.987706411924092) / Math.Sqrt((0.003839264053209433 / (29)) + (3.849670901715221E-05 / (7))) is less than -2.0322445093148245 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (7) - 2, .025) and -0.7408853180617837 = (8.60924396134874 - 14.987706411924092) / 8.60924396134874 is less than -0.05. IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small. IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so. ``` #### JIT Disasms ### System.Text.Perf_Ascii.EqualsIgnoreCase_DifferentCase_Bytes_Chars(Size: 6) #### ETL Files #### Histogram #### Description of detection logic ``` IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small. IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline. IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small. IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small. IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline. IsRegressionWindowed: Marked as regression because 11.23851891598143 > 9.887504554011567. IsChangePoint: Marked as a change because one of 6/22/2023 7:55:14 AM, 8/8/2023 9:37:01 AM, 8/27/2023 2:42:29 PM, 10/3/2023 2:46:17 PM, 10/9/2023 8:09:24 PM falls between 10/1/2023 6:53:23 AM and 10/9/2023 8:09:24 PM. IsRegressionStdDev: Marked as regression because -58.03604467329401 (T) = (0 -11.297769715021644) / Math.Sqrt((0.009795290556441637 / (18)) + (0.009319561389438527 / (18))) is less than -2.0322445093148245 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (18) + (18) - 2, .025) and -0.20105629134531577 = (9.406528067362183 - 11.297769715021644) / 9.406528067362183 is less than -0.05. IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small. IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so. ``` #### JIT Disasms ### System.Text.Perf_Ascii.ToUpper_Bytes(Size: 128) #### ETL Files #### Histogram #### Description of detection logic ``` IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small. IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline. IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small. IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small. IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline. IsRegressionWindowed: Marked as regression because 16.24871918508798 > 14.015246034317826. IsChangePoint: Marked as a change because one of 6/9/2023 2:21:24 AM, 7/14/2023 2:26:40 PM, 8/10/2023 8:47:51 AM, 8/22/2023 10:44:27 PM, 10/6/2023 9:14:38 AM, 10/9/2023 8:09:24 PM falls between 10/1/2023 6:53:23 AM and 10/9/2023 8:09:24 PM. IsRegressionStdDev: Marked as regression because -53.46378606727145 (T) = (0 -16.19241546065524) / Math.Sqrt((0.0014880938565676421 / (29)) + (0.0193114409346017 / (7))) is less than -2.0322445093148245 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (7) - 2, .025) and -0.21216278017233164 = (13.358284650806706 - 16.19241546065524) / 13.358284650806706 is less than -0.05. IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small. IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so. ``` #### JIT Disasms ### Docs [Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md) [Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

Run Information

Name Value
Architecture x64
OS Windows 10.0.19042
Queue OwlWindows
Baseline 39c3392887fcf6710e665011b5b96266edcaee33
Compare f21a2666c577306e437f80fe934d76cdb15072a5
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in StoreBlock.AnyLocation

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
1.04 ns 2.32 ns 2.23 0.03 False
1.04 ns 2.32 ns 2.23 0.03 False

graph graph Test Report

Repro

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

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'StoreBlock.AnyLocation*'
### Payloads [Baseline]() [Compare]() ### StoreBlock.AnyLocation.InitBlockAllZeros128 #### ETL Files #### Histogram #### Description of detection logic ``` IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small. IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline. IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small. IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small. IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline. IsRegressionWindowed: Marked as regression because 2.321312531291722 > 1.0941908231512274. IsChangePoint: Marked as a change because one of 6/16/2023 8:27:26 PM, 7/1/2023 6:36:20 PM, 7/5/2023 7:07:19 PM, 7/14/2023 2:26:40 PM, 8/23/2023 12:15:00 AM, 10/6/2023 9:14:38 AM, 10/9/2023 8:09:24 PM falls between 10/1/2023 6:53:23 AM and 10/9/2023 8:09:24 PM. IsRegressionStdDev: Marked as regression because -1843.034123814793 (T) = (0 -2.3214890027868704) / Math.Sqrt((1.2757551454786855E-05 / (29)) + (2.8657282182334823E-07 / (7))) is less than -2.0322445093148245 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (7) - 2, .025) and -1.2247962668691417 = (1.0434613889629545 - 2.3214890027868704) / 1.0434613889629545 is less than -0.05. IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small. IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so. ``` #### JIT Disasms ### StoreBlock.AnyLocation.InitBlockAllOnes128 #### ETL Files #### Histogram #### Description of detection logic ``` IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small. IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline. IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small. IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small. IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline. IsRegressionWindowed: Marked as regression because 2.3208673112640064 > 1.0943573754271363. IsChangePoint: Marked as a change because one of 6/16/2023 8:27:26 PM, 7/1/2023 6:36:20 PM, 7/5/2023 7:07:19 PM, 7/14/2023 2:26:40 PM, 8/22/2023 10:44:27 PM, 10/6/2023 9:14:38 AM, 10/9/2023 8:09:24 PM falls between 10/1/2023 6:53:23 AM and 10/9/2023 8:09:24 PM. IsRegressionStdDev: Marked as regression because -1449.8616898864193 (T) = (0 -2.3213391860838315) / Math.Sqrt((2.1862684045684213E-05 / (29)) + (1.512503824646805E-07 / (7))) is less than -2.0322445093148245 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (7) - 2, .025) and -1.2223109236949918 = (1.0445609393955493 - 2.3213391860838315) / 1.0445609393955493 is less than -0.05. IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small. IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so. ``` #### JIT Disasms ### Docs [Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md) [Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

Run Information

Name Value
Architecture x64
OS Windows 10.0.19042
Queue OwlWindows
Baseline 39c3392887fcf6710e665011b5b96266edcaee33
Compare f21a2666c577306e437f80fe934d76cdb15072a5
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Text.Tests.Perf_Encoding

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
13.19 ns 15.03 ns 1.14 0.09 False

graph Test Report

Repro

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

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Tests.Perf_Encoding*'
### Payloads [Baseline]() [Compare]() ### System.Text.Tests.Perf_Encoding.GetString(size: 16, encName: "ascii") #### ETL Files #### Histogram #### Description of detection logic ``` IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small. IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline. IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small. IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small. IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline. IsRegressionWindowed: Marked as regression because 15.028224813322858 > 14.001358338023287. IsChangePoint: Marked as a change because one of 7/3/2023 3:46:39 PM, 7/5/2023 3:16:33 PM, 7/17/2023 6:26:12 PM, 9/19/2023 8:08:41 AM, 10/6/2023 9:14:38 AM, 10/9/2023 8:09:24 PM falls between 10/1/2023 6:53:23 AM and 10/9/2023 8:09:24 PM. IsRegressionStdDev: Marked as regression because -50.70030162028164 (T) = (0 -15.031698562192714) / Math.Sqrt((0.029453039729730558 / (29)) + (0.0013251148810736202 / (7))) is less than -2.0322445093148245 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (7) - 2, .025) and -0.13260531831393488 = (13.271788785673207 - 15.031698562192714) / 13.271788785673207 is less than -0.05. IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small. IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so. ``` #### JIT Disasms ### Docs [Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md) [Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

Run Information

Name Value
Architecture x64
OS Windows 10.0.19042
Queue OwlWindows
Baseline 39c3392887fcf6710e665011b5b96266edcaee33
Compare f21a2666c577306e437f80fe934d76cdb15072a5
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.Tests.Perf_PriorityQueue<String, String>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
2.00 ms 2.21 ms 1.11 0.16 False

graph Test Report

Repro

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

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.Tests.Perf_PriorityQueue&lt;String, String&gt;*'
### Payloads [Baseline]() [Compare]() ### System.Collections.Tests.Perf_PriorityQueue<String, String>.Dequeue_And_Enqueue(Size: 1000) #### ETL Files #### Histogram #### Description of detection logic ``` IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small. IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline. IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small. IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small. IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline. IsRegressionWindowed: Marked as regression because 2.2140201388888894 > 2.12638848046875. IsChangePoint: Marked as a change because one of 6/9/2023 2:21:24 AM, 9/19/2023 12:42:36 AM, 9/26/2023 3:02:05 PM, 10/6/2023 9:14:38 AM, 10/9/2023 8:09:24 PM falls between 10/1/2023 6:53:23 AM and 10/9/2023 8:09:24 PM. IsRegressionStdDev: Marked as regression because -5.678489107581364 (T) = (0 -2201043.8850168046) / Math.Sqrt((748365286.3259184 / (29)) + (5778139345.424054 / (7))) is less than -2.0322445093148245 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (7) - 2, .025) and -0.08139912516260783 = (2035366.807501197 - 2201043.8850168046) / 2035366.807501197 is less than -0.05. IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small. IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so. ``` #### JIT Disasms ### Docs [Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md) [Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)
cincuranet commented 1 year ago

Very likely noise. But adding look again to confirm later.