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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] Linux/x64: 12 Regressions on 8/24/2023 4:35:49 AM #20984

Open performanceautofiler[bot] opened 1 year ago

performanceautofiler[bot] commented 1 year ago

Run Information

Name Value
Architecture x64
OS ubuntu 22.04
Queue TigerUbuntu
Baseline 3a9412266ac60dc5e6156909ab2ddb9e89eb0df8
Compare e3368e865281f97585316af5702e7bac5d4c1a3a
Diff Diff
Configs CompilationMode:wasm, RunKind:micro

Regressions in System.MathBenchmarks.Double

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
15.35 μs 17.75 μs 1.16 0.26 True
13.26 μs 17.67 μs 1.33 0.42 True

graph graph Test Report

Repro

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

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.MathBenchmarks.Double*'
### Payloads [Baseline]() [Compare]() ### System.MathBenchmarks.Double.Min #### 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 17.752266838304923 > 16.23572986871253. IsChangePoint: Marked as a change because one of 8/22/2023 10:44:27 PM, 8/28/2023 11:06:53 PM falls between 8/19/2023 11:06:43 PM and 8/28/2023 11:06:53 PM. IsRegressionStdDev: Marked as regression because -7.74578376307124 (T) = (0 -18088.883285741125) / Math.Sqrt((721645.6097374868 / (18)) + (605742.0909050371 / (13))) is less than -2.0452296421282288 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (18) + (13) - 2, .025) and -0.14426353790660912 = (15808.319225861305 - 18088.883285741125) / 15808.319225861305 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 as regression because Edge Detector said so. ``` #### JIT Disasms ### System.MathBenchmarks.Double.Max #### 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 17.670857623704244 > 13.924171425364733. IsChangePoint: Marked as a change because one of 8/22/2023 10:44:27 PM, 8/28/2023 11:06:53 PM falls between 8/19/2023 11:06:43 PM and 8/28/2023 11:06:53 PM. IsRegressionStdDev: Marked as regression because -15.51825271056227 (T) = (0 -18509.536430960456) / Math.Sqrt((246819.74508095603 / (18)) + (1146762.6316081905 / (13))) is less than -2.0452296421282288 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (18) + (13) - 2, .025) and -0.3654900719814088 = (13555.233253436985 - 18509.536430960456) / 13555.233253436985 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 as 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 ubuntu 22.04
Queue TigerUbuntu
Baseline 3a9412266ac60dc5e6156909ab2ddb9e89eb0df8
Compare e3368e865281f97585316af5702e7bac5d4c1a3a
Diff Diff
Configs CompilationMode:wasm, RunKind:micro

Regressions in LinqBenchmarks

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
4.48 secs 8.26 secs 1.84 0.47 True
3.49 secs 6.16 secs 1.76 0.33 False
6.60 secs 10.46 secs 1.59 0.26 True

graph graph graph Test Report

Repro

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

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'LinqBenchmarks*'
### Payloads [Baseline]() [Compare]() ### LinqBenchmarks.Where00ForX #### 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 8.263144733333332 > 4.769113840030002. IsChangePoint: Marked as a change because one of 8/22/2023 10:44:27 PM, 8/28/2023 11:06:53 PM falls between 8/19/2023 11:06:43 PM and 8/28/2023 11:06:53 PM. IsRegressionStdDev: Marked as regression because -8.787780284306354 (T) = (0 -8014514056.7260065) / Math.Sqrt((17290027606416580 / (18)) + (1.929176497832995E+18 / (13))) is less than -2.0452296421282288 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (18) + (13) - 2, .025) and -0.7353803019397884 = (4618304153.71632 - 8014514056.7260065) / 4618304153.71632 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 as regression because Edge Detector said so. ``` #### JIT Disasms ### LinqBenchmarks.Where01LinqQueryX #### 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 6.159060083 > 3.7284432098119233. IsChangePoint: Marked as a change because one of 8/22/2023 10:44:27 PM, 8/28/2023 11:06:53 PM falls between 8/19/2023 11:06:43 PM and 8/28/2023 11:06:53 PM. IsRegressionStdDev: Marked as regression because -7.682091599075508 (T) = (0 -5674637323.387602) / Math.Sqrt((5838618233476875 / (18)) + (9.842692282519113E+17 / (13))) is less than -2.0452296421282288 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (18) + (13) - 2, .025) and -0.5956531700582919 = (3556309998.857896 - 5674637323.387602) / 3556309998.857896 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 ### LinqBenchmarks.Order00LinqQueryX #### 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 10.459938533333334 > 7.108114905642692. IsChangePoint: Marked as a change because one of 8/24/2023 11:06:19 AM, 8/28/2023 11:06:53 PM falls between 8/19/2023 11:06:43 PM and 8/28/2023 11:06:53 PM. IsRegressionStdDev: Marked as regression because -7.080827354281535 (T) = (0 -9734617002.7338) / Math.Sqrt((21161382378658052 / (20)) + (1.9344916751407283E+18 / (11))) is less than -2.0452296421282288 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (20) + (11) - 2, .025) and -0.4408246856357463 = (6756281385.086431 - 9734617002.7338) / 6756281385.086431 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 as 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 ubuntu 22.04
Queue TigerUbuntu
Baseline 3a9412266ac60dc5e6156909ab2ddb9e89eb0df8
Compare e3368e865281f97585316af5702e7bac5d4c1a3a
Diff Diff
Configs CompilationMode:wasm, RunKind:micro

Regressions in System.Text.Perf_Ascii

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
138.46 ns 152.45 ns 1.10 0.21 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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Perf_Ascii*'
### Payloads [Baseline]() [Compare]() ### System.Text.Perf_Ascii.Equals_Chars(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 152.45168907665177 > 144.2309143028074. IsChangePoint: Marked as a change because one of 8/22/2023 10:44:27 PM, 8/28/2023 11:06:53 PM falls between 8/19/2023 11:06:43 PM and 8/28/2023 11:06:53 PM. IsRegressionStdDev: Marked as regression because -3.9738150588996297 (T) = (0 -159.5105741581446) / Math.Sqrt((26.785203366755603 / (18)) + (431.72559377468536 / (13))) is less than -2.0452296421282288 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (18) + (13) - 2, .025) and -0.1719850807669472 = (136.10290504189769 - 159.5105741581446) / 136.10290504189769 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 ubuntu 22.04
Queue TigerUbuntu
Baseline 3a9412266ac60dc5e6156909ab2ddb9e89eb0df8
Compare e3368e865281f97585316af5702e7bac5d4c1a3a
Diff Diff
Configs CompilationMode:wasm, RunKind:micro

Regressions in System.Globalization.Tests.StringSearch

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
936.44 ns 1.04 μs 1.11 0.19 True
937.78 ns 1.05 μs 1.12 0.07 True
933.18 ns 1.24 μs 1.32 0.09 True

graph graph graph Test Report

Repro

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

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Globalization.Tests.StringSearch*'
### Payloads [Baseline]() [Compare]() ### System.Globalization.Tests.StringSearch.IsSuffix_SecondHalf(Options: (en-US, None, False)) #### 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 1.0440818460520402 > 983.555114472755. IsChangePoint: Marked as a change because one of 8/22/2023 10:44:27 PM, 8/28/2023 11:06:53 PM falls between 8/19/2023 11:06:43 PM and 8/28/2023 11:06:53 PM. IsRegressionStdDev: Marked as regression because -7.306000352040659 (T) = (0 -1079.670702257494) / Math.Sqrt((30.2310578820539 / (18)) + (5252.870599039821 / (13))) is less than -2.0452296421282288 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (18) + (13) - 2, .025) and -0.1578177939391912 = (932.5048448117032 - 1079.670702257494) / 932.5048448117032 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 as regression because Edge Detector said so. ``` #### JIT Disasms ### System.Globalization.Tests.StringSearch.IsSuffix_SecondHalf(Options: (en-US, IgnoreNonSpace, False)) #### 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 1.0527459257415543 > 987.9792331233042. IsChangePoint: Marked as a change because one of 8/22/2023 10:44:27 PM, 8/28/2023 11:06:53 PM falls between 8/19/2023 11:06:43 PM and 8/28/2023 11:06:53 PM. IsRegressionStdDev: Marked as regression because -6.9542967530422555 (T) = (0 -1078.8089587559066) / Math.Sqrt((13.404092700250066 / (18)) + (5197.49431980474 / (13))) is less than -2.0452296421282288 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (18) + (13) - 2, .025) and -0.14812456835130902 = (939.6271001369314 - 1078.8089587559066) / 939.6271001369314 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 as regression because Edge Detector said so. ``` #### JIT Disasms ### System.Globalization.Tests.StringSearch.IsSuffix_SecondHalf(Options: (, None, False)) #### 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 1.2353406221550938 > 979.0314396569. IsChangePoint: Marked as a change because one of 8/22/2023 10:44:27 PM, 8/28/2023 11:06:53 PM falls between 8/19/2023 11:06:43 PM and 8/28/2023 11:06:53 PM. IsRegressionStdDev: Marked as regression because -8.72309277790074 (T) = (0 -1060.0949475876644) / Math.Sqrt((15.678650332096913 / (18)) + (2793.942496559597 / (13))) is less than -2.0452296421282288 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (18) + (13) - 2, .025) and -0.13749631921298233 = (931.9546179464819 - 1060.0949475876644) / 931.9546179464819 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 as 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 ubuntu 22.04
Queue TigerUbuntu
Baseline 3a9412266ac60dc5e6156909ab2ddb9e89eb0df8
Compare e3368e865281f97585316af5702e7bac5d4c1a3a
Diff Diff
Configs CompilationMode:wasm, RunKind:micro

Regressions in System.Collections.Sort<Int32>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
20.09 μs 25.96 μs 1.29 0.34 True
19.81 μs 27.07 μs 1.37 0.31 True

graph graph Test Report

Repro

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

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.Sort&lt;Int32&gt;*'
### Payloads [Baseline]() [Compare]() ### System.Collections.Sort<Int32>.Array(Size: 512) #### 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 25.960400014285714 > 21.039727007. IsChangePoint: Marked as a change because one of 8/22/2023 10:44:27 PM, 8/28/2023 11:06:53 PM falls between 8/19/2023 11:06:43 PM and 8/28/2023 11:06:53 PM. IsRegressionStdDev: Marked as regression because -11.744680038903914 (T) = (0 -27185.880831224487) / Math.Sqrt((455532.9100807677 / (18)) + (4348426.047336644 / (14))) is less than -2.0422724562973107 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (18) + (14) - 2, .025) and -0.3340185922597518 = (20378.93698705739 - 27185.880831224487) / 20378.93698705739 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 as regression because Edge Detector said so. ``` #### JIT Disasms ### System.Collections.Sort<Int32>.List(Size: 512) #### 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 27.07017132857144 > 21.043462979. IsChangePoint: Marked as a change because one of 8/22/2023 10:44:27 PM, 8/28/2023 11:06:53 PM falls between 8/19/2023 11:06:43 PM and 8/28/2023 11:06:53 PM. IsRegressionStdDev: Marked as regression because -10.329730410866986 (T) = (0 -27240.49086951771) / Math.Sqrt((444139.0138014009 / (18)) + (5249911.321457312 / (12))) is less than -2.048407141790485 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (18) + (12) - 2, .025) and -0.34733561169240634 = (20218.04414068783 - 27240.49086951771) / 20218.04414068783 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 as 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 ubuntu 22.04
Queue TigerUbuntu
Baseline 3a9412266ac60dc5e6156909ab2ddb9e89eb0df8
Compare e3368e865281f97585316af5702e7bac5d4c1a3a
Diff Diff
Configs CompilationMode:wasm, RunKind:micro

Regressions in System.Collections.Tests.Perf_BitArray

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
718.75 ns 826.15 ns 1.15 0.16 True

graph Test Report

Repro

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

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.Tests.Perf_BitArray*'
### Payloads [Baseline]() [Compare]() ### System.Collections.Tests.Perf_BitArray.BitArrayRightShift(Size: 512) #### 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 826.1514301218788 > 752.7333988493026. IsChangePoint: Marked as a change because one of 8/22/2023 10:44:27 PM, 8/28/2023 11:06:53 PM falls between 8/19/2023 11:06:43 PM and 8/28/2023 11:06:53 PM. IsRegressionStdDev: Marked as regression because -23.214258532065728 (T) = (0 -837.0921357085614) / Math.Sqrt((8.216618218944223 / (18)) + (367.5183823087724 / (14))) is less than -2.0422724562973107 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (18) + (14) - 2, .025) and -0.16729419514407412 = (717.1218182964087 - 837.0921357085614) / 717.1218182964087 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 as 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)
radekdoulik commented 1 year ago

looks like v8 change https://github.com/dotnet/runtime/pull/90961

some are also alternating results