[Perf] Linux/x64: 42 Improvements on 1/11/2023 8:19:46 AM

[performanceautofiler]

Run Information

Architecture	x64
OS	ubuntu 18.04
Baseline	71bb0d481086b8b8a89a99a17ec80a861f32dc5d
Compare	5385f045f9aee91c22922d21552c4317198710f1
Diff	Diff

Improvements in System.Numerics.Tests.Perf_VectorOf<Int32>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
DivideBenchmark - Duration of single invocation	26.28 ns	14.08 ns	0.54	0.07	False
DivisionOperatorBenchmark - Duration of single invocation	16.22 ns	14.04 ns	0.87	0.10	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Numerics.Tests.Perf_VectorOf<Int32>*'

Payloads

Baseline
Compare

Histogram

System.Numerics.Tests.Perf_VectorOf<Int32>.DivideBenchmark

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 14.079247741581415 < 15.690872131483493.
IsChangePoint: Marked as a change because one of 12/1/2022 8:17:56 AM, 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 7.268165698674812 (T) = (0 -14.57252238758615) / Math.Sqrt((3.2134236963539435 / (299)) + (5.095470706309408 / (27))) is greater than 1.9673127716992511 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (27) - 2, .975) and 0.18217455954592526 = (17.818622002630736 - 14.57252238758615) / 17.818622002630736 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Numerics.Tests.Perf_VectorOf&lt;Int32&gt;.DivisionOperatorBenchmark

```log

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 14.04375342940623 < 15.692813143439926.
IsChangePoint: Marked as a change because one of 12/1/2022 1:10:54 PM, 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 8.247946057151967 (T) = (0 -14.41700491876742) / Math.Sqrt((4.394261591948251 / (299)) + (4.610011788176779 / (27))) is greater than 1.9673127716992511 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (27) - 2, .975) and 0.19766344706313033 = (17.96877490623538 - 14.41700491876742) / 17.96877490623538 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

### Run Information

Architecture	x64
OS	ubuntu 18.04
Baseline	71bb0d481086b8b8a89a99a17ec80a861f32dc5d
Compare	5385f045f9aee91c22922d21552c4317198710f1
Diff	Diff

Improvements in System.Globalization.Tests.StringSearch

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
IsPrefix_FirstHalf - Duration of single invocation	182.58 ns	156.66 ns	0.86	0.00	False
IsPrefix_FirstHalf - Duration of single invocation	181.55 ns	156.57 ns	0.86	0.00	False
IsPrefix_FirstHalf - Duration of single invocation	182.14 ns	156.62 ns	0.86	0.00	False

Test Report

Repro

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

Histogram

System.Globalization.Tests.StringSearch.IsPrefix_FirstHalf(Options: (en-US, None, False))

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 156.65615165828865 < 172.68216279545794.
IsChangePoint: Marked as a change because one of 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 523.296405161365 (T) = (0 -156.6447204502548) / Math.Sqrt((0.0568845061788563 / (299)) + (0.05532558402024849 / (27))) is greater than 1.9673127716992511 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (27) - 2, .975) and 0.13650601781309987 = (181.40800478253897 - 156.6447204502548) / 181.40800478253897 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.IsPrefix_FirstHalf(Options: (, None, False))

```log

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 156.56564393247865 < 172.53243101694258.
IsChangePoint: Marked as a change because one of 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 701.8023954882603 (T) = (0 -156.608017356354) / Math.Sqrt((0.03648856544870295 / (299)) + (0.03035841651326636 / (27))) is greater than 1.9673127716992511 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (27) - 2, .975) and 0.13659853398855412 = (181.38493333792636 - 156.608017356354) / 181.38493333792636 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.IsPrefix_FirstHalf(Options: (en-US, IgnoreNonSpace, False))

```log

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 156.62026422310404 < 172.4766087498163.
IsChangePoint: Marked as a change because one of 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 585.9224882561207 (T) = (0 -156.67838114423287) / Math.Sqrt((0.05501791174174816 / (299)) + (0.043097442761697705 / (27))) is greater than 1.9673127716992511 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (27) - 2, .975) and 0.13628198233429314 = (181.39992212698476 - 156.67838114423287) / 181.39992212698476 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

Run Information

Architecture	x64
OS	ubuntu 18.04
Baseline	71bb0d481086b8b8a89a99a17ec80a861f32dc5d
Compare	5385f045f9aee91c22922d21552c4317198710f1
Diff	Diff

Improvements in PerfLabTests.GetMember

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
GetMethod3 - Duration of single invocation	196.10 μs	168.29 μs	0.86	0.11	False
GetMethod5 - Duration of single invocation	327.91 μs	283.90 μs	0.87	0.06	False
GetMethod15 - Duration of single invocation	1.01 ms	852.23 μs	0.84	0.08	False
GetMethod2 - Duration of single invocation	131.72 μs	112.06 μs	0.85	0.12	False
GetMethod12 - Duration of single invocation	792.58 μs	714.22 μs	0.90	0.09	False
GetMethod10 - Duration of single invocation	670.09 μs	564.52 μs	0.84	0.12	False
GetField - Duration of single invocation	36.62 μs	32.59 μs	0.89	0.21	False
GetMethod20 - Duration of single invocation	1.34 ms	1.14 ms	0.85	0.10	False
GetMethod4 - Duration of single invocation	269.20 μs	226.05 μs	0.84	0.09	False
GetMethod1 - Duration of single invocation	65.48 μs	55.75 μs	0.85	0.24	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'PerfLabTests.GetMember*'

Payloads

Baseline
Compare

Histogram

PerfLabTests.GetMember.GetMethod3

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 168.293898754529 < 186.2980804716991.
IsChangePoint: Marked as a change because one of 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 26.085658657460026 (T) = (0 -173633.80250955911) / Math.Sqrt((17620418.200615227 / (299)) + (26287988.11505673 / (27))) is greater than 1.9673127716992511 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (27) - 2, .975) and 0.13244148205179818 = (200140.73854085084 - 173633.80250955911) / 200140.73854085084 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### PerfLabTests.GetMember.GetMethod5

```log

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 283.9046101934524 < 316.1027222098215.
IsChangePoint: Marked as a change because one of 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 39.330706585988445 (T) = (0 -287446.24627466634) / Math.Sqrt((19834551.0170928 / (299)) + (35411302.896444544 / (27))) is greater than 1.9673127716992511 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (27) - 2, .975) and 0.138385778700344 = (333613.6279657541 - 287446.24627466634) / 333613.6279657541 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### PerfLabTests.GetMember.GetMethod15

```log

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 852.2301832264959 < 949.061611390904.
IsChangePoint: Marked as a change because one of 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 34.735962786631895 (T) = (0 -863461.9829353065) / Math.Sqrt((456581601.9849591 / (299)) + (394503291.2020023 / (27))) is greater than 1.9673127716992511 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (27) - 2, .975) and 0.1391248390772022 = (1003004.874725083 - 863461.9829353065) / 1003004.874725083 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### PerfLabTests.GetMember.GetMethod2

```log

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 112.0593858877184 < 125.03906003432623.
IsChangePoint: Marked as a change because one of 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 25.587591418754737 (T) = (0 -115139.86744704431) / Math.Sqrt((8653241.678607965 / (299)) + (12739136.433926718 / (27))) is greater than 1.9673127716992511 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (27) - 2, .975) and 0.1358900638628669 = (133246.78103084763 - 115139.86744704431) / 133246.78103084763 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### PerfLabTests.GetMember.GetMethod12

```log

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 714.2214692725752 < 760.4039378533654.
IsChangePoint: Marked as a change because one of 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 31.339120869030822 (T) = (0 -693165.7028529083) / Math.Sqrt((199821450.23200053 / (299)) + (311713072.5317457 / (27))) is greater than 1.9673127716992511 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (27) - 2, .975) and 0.1364442807881573 = (802687.8722840868 - 693165.7028529083) / 802687.8722840868 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### PerfLabTests.GetMember.GetMethod10

```log

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 564.5222294642858 < 627.1083685028187.
IsChangePoint: Marked as a change because one of 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 34.57278362812976 (T) = (0 -574188.9340147264) / Math.Sqrt((143384770.184701 / (299)) + (185053432.59993914 / (27))) is greater than 1.9673127716992511 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (27) - 2, .975) and 0.1401947289797769 = (667812.7633870032 - 574188.9340147264) / 667812.7633870032 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### PerfLabTests.GetMember.GetField

```log

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 32.58684607337914 < 33.641075322122546.
IsChangePoint: Marked as a change because one of 1/13/2023 4:18:46 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 47.84761772603205 (T) = (0 -32658.16993103324) / Math.Sqrt((1347577.570335686 / (299)) + (20096.964760417995 / (22))) is greater than 1.9674283869023508 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (22) - 2, .975) and 0.09736405281401252 = (36180.887801828314 - 32658.16993103324) / 36180.887801828314 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### PerfLabTests.GetMember.GetMethod20

```log

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 1.135422182440476 < 1.2709009588014637.
IsChangePoint: Marked as a change because one of 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 34.08205670004014 (T) = (0 -1154824.4229595356) / Math.Sqrt((579387731.9970685 / (299)) + (784923742.2215774 / (27))) is greater than 1.9673127716992511 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (27) - 2, .975) and 0.1411472538585562 = (1344612.8316498955 - 1154824.4229595356) / 1344612.8316498955 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### PerfLabTests.GetMember.GetMethod4

```log

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 226.0455370710784 < 254.97632559746168.
IsChangePoint: Marked as a change because one of 1/11/2023 8:19:46 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 34.96805264127789 (T) = (0 -229422.8132181878) / Math.Sqrt((29068588.188159544 / (299)) + (27499893.88990161 / (26))) is greater than 1.967335607330539 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (26) - 2, .975) and 0.14074431938933055 = (267001.7998078732 - 229422.8132181878) / 267001.7998078732 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### PerfLabTests.GetMember.GetMethod1

```log

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 55.74837267314536 < 62.23383211718144.
IsChangePoint: Marked as a change because one of 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 18.972122603022623 (T) = (0 -56808.50350368158) / Math.Sqrt((3678499.9754763856 / (299)) + (6885013.154299531 / (27))) is greater than 1.9673127716992511 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (27) - 2, .975) and 0.14724162899746263 = (66617.35074719372 - 56808.50350368158) / 66617.35074719372 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

Run Information

Architecture	x64
OS	ubuntu 18.04
Baseline	71bb0d481086b8b8a89a99a17ec80a861f32dc5d
Compare	5385f045f9aee91c22922d21552c4317198710f1
Diff	Diff

Improvements in System.Numerics.Tests.Perf_VectorOf<Int16>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
DivideBenchmark - Duration of single invocation	38.44 ns	27.66 ns	0.72	0.05	False
DivisionOperatorBenchmark - Duration of single invocation	38.31 ns	27.99 ns	0.73	0.06	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Numerics.Tests.Perf_VectorOf<Int16>*'

Payloads

Baseline
Compare

Histogram

System.Numerics.Tests.Perf_VectorOf<Int16>.DivideBenchmark

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 27.657101352321924 < 36.52354260156496.
IsChangePoint: Marked as a change because one of 11/2/2022 4:25:40 PM, 12/14/2022 5:20:21 PM, 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 40.711202788627936 (T) = (0 -27.715245604505387) / Math.Sqrt((10.526782676072207 / (215)) + (0.005099819870262427 / (27))) is greater than 1.9698976350765727 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (215) + (27) - 2, .975) and 0.24565683317759013 = (36.74089833842189 - 27.715245604505387) / 36.74089833842189 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Numerics.Tests.Perf_VectorOf&lt;Int16&gt;.DivisionOperatorBenchmark

```log

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 27.9864767971997 < 36.36905982762844.
IsChangePoint: Marked as a change because one of 12/1/2022 8:17:56 AM, 12/14/2022 5:20:21 PM, 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 45.273013241325664 (T) = (0 -27.85675200110198) / Math.Sqrt((12.261213250013755 / (299)) + (0.025790217657861193 / (27))) is greater than 1.9673127716992511 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (27) - 2, .975) and 0.2497675176295404 = (37.1308263181099 - 27.85675200110198) / 37.1308263181099 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

Run Information

Architecture	x64
OS	ubuntu 18.04
Baseline	71bb0d481086b8b8a89a99a17ec80a861f32dc5d
Compare	5385f045f9aee91c22922d21552c4317198710f1
Diff	Diff

Improvements in LinqBenchmarks

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Count00ForX - Duration of single invocation	101.95 ms	90.17 ms	0.88	0.46	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'LinqBenchmarks*'

Payloads

Baseline
Compare

Histogram

LinqBenchmarks.Count00ForX

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 90.17260977500001 < 97.84106525.
IsChangePoint: Marked as a change because one of 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 54.474374341288474 (T) = (0 -90417877.39351852) / Math.Sqrt((20749970817787.105 / (299)) + (334032201541.02997 / (27))) is greater than 1.9673127716992511 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (27) - 2, .975) and 0.1469610847150882 = (105995020.59448166 - 90417877.39351852) / 105995020.59448166 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

Run Information

Architecture	x64
OS	ubuntu 18.04
Baseline	71bb0d481086b8b8a89a99a17ec80a861f32dc5d
Compare	5385f045f9aee91c22922d21552c4317198710f1
Diff	Diff

Improvements in System.Numerics.Tests.Perf_VectorOf<SByte>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
DivideBenchmark - Duration of single invocation	69.61 ns	55.27 ns	0.79	0.05	False
DivisionOperatorBenchmark - Duration of single invocation	69.94 ns	55.24 ns	0.79	0.06	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Numerics.Tests.Perf_VectorOf<SByte>*'

Payloads

Baseline
Compare

Histogram

System.Numerics.Tests.Perf_VectorOf<SByte>.DivideBenchmark

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 55.273204011181186 < 66.08339175431158.
IsChangePoint: Marked as a change because one of 12/1/2022 8:17:56 AM, 12/14/2022 5:20:21 PM, 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 36.239082024787 (T) = (0 -55.75544112213575) / Math.Sqrt((30.259522194546186 / (299)) + (1.9420786209084173 / (27))) is greater than 1.9673127716992511 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (27) - 2, .975) and 0.21287373198650075 = (70.83417665992509 - 55.75544112213575) / 70.83417665992509 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Numerics.Tests.Perf_VectorOf&lt;SByte&gt;.DivisionOperatorBenchmark

```log

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 55.244898701987985 < 66.30199093389471.
IsChangePoint: Marked as a change because one of 12/1/2022 8:17:56 AM, 12/14/2022 5:20:21 PM, 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 31.791015498379597 (T) = (0 -56.03683892958797) / Math.Sqrt((28.01456309471338 / (299)) + (5.333319767957 / (27))) is greater than 1.9673127716992511 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (27) - 2, .975) and 0.23439548903917673 = (73.1929320260437 - 56.03683892958797) / 73.1929320260437 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

Run Information

Architecture	x64
OS	ubuntu 18.04
Baseline	71bb0d481086b8b8a89a99a17ec80a861f32dc5d
Compare	5385f045f9aee91c22922d21552c4317198710f1
Diff	Diff

Improvements in System.Buffers.Text.Tests.Base64EncodeDecodeInPlaceTests

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Base64DecodeInPlace - Duration of single invocation	147.78 ms	128.19 ms	0.87	0.37	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Buffers.Text.Tests.Base64EncodeDecodeInPlaceTests*'

Payloads

Baseline
Compare

Histogram

System.Buffers.Text.Tests.Base64EncodeDecodeInPlaceTests.Base64DecodeInPlace(NumberOfBytes: 200000000)

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 128.19097976923078 < 140.45979924836598.
IsChangePoint: Marked as a change because one of 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 35.2963159078725 (T) = (0 -128134705.84564508) / Math.Sqrt((42740187188323.59 / (299)) + (11250090984.810453 / (27))) is greater than 1.9673127716992511 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (27) - 2, .975) and 0.09444758490838331 = (141498938.89099884 - 128134705.84564508) / 141498938.89099884 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

Run Information

Architecture	x64
OS	ubuntu 18.04
Baseline	71bb0d481086b8b8a89a99a17ec80a861f32dc5d
Compare	5385f045f9aee91c22922d21552c4317198710f1
Diff	Diff

Improvements in Microsoft.Extensions.Primitives.Performance.StringValuesBenchmark

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
ForEach_Array - Duration of single invocation	6.04 ns	4.76 ns	0.79	0.06	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'Microsoft.Extensions.Primitives.Performance.StringValuesBenchmark*'

Payloads

Baseline
Compare

Histogram

Microsoft.Extensions.Primitives.Performance.StringValuesBenchmark.ForEach_Array

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 4.76103949948052 < 5.7393568109296975.
IsChangePoint: Marked as a change because one of 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 103.061222218321 (T) = (0 -4.758857156379724) / Math.Sqrt((0.06363210747877772 / (299)) + (7.6478039572481E-05 / (27))) is greater than 1.9673127716992511 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (27) - 2, .975) and 0.24129116387407973 = (6.272310179856549 - 4.758857156379724) / 6.272310179856549 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

[performanceautofiler]

Run Information

Architecture	x64
OS	ubuntu 18.04
Baseline	71bb0d481086b8b8a89a99a17ec80a861f32dc5d
Compare	5385f045f9aee91c22922d21552c4317198710f1
Diff	Diff

Improvements in System.Collections.Tests.Perf_PriorityQueue<Guid, Guid>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Enumerate - Duration of single invocation	183.74 ns	145.17 ns	0.79	0.06	False
Enumerate - Duration of single invocation	1.76 μs	1.34 μs	0.76	0.04	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.Tests.Perf_PriorityQueue<Guid, Guid>*'

Payloads

Baseline
Compare

Histogram

System.Collections.Tests.Perf_PriorityQueue<Guid, Guid>.Enumerate(Size: 100)

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 145.1672607978688 < 174.8154524470551.
IsChangePoint: Marked as a change because one of 11/14/2022 1:59:26 PM, 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 11.130154385995935 (T) = (0 -148.62536593965) / Math.Sqrt((1485.58843804167 / (299)) + (141.84811289022466 / (27))) is greater than 1.9673127716992511 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (27) - 2, .975) and 0.1931778534604869 = (184.21081594885456 - 148.62536593965) / 184.21081594885456 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.Tests.Perf_PriorityQueue&lt;Guid, Guid&gt;.Enumerate(Size: 1000)

```log

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 1.3394653438643118 < 1.6668012414548699.
IsChangePoint: Marked as a change because one of 11/14/2022 1:59:26 PM, 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 14.424689460193662 (T) = (0 -1353.9363443835668) / Math.Sqrt((101096.33255119748 / (299)) + (10702.519742142089 / (27))) is greater than 1.9673127716992511 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (27) - 2, .975) and 0.22404768991014573 = (1744.8705632782803 - 1353.9363443835668) / 1744.8705632782803 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

[performanceautofiler]

Run Information

Architecture	x64
OS	ubuntu 18.04
Baseline	71bb0d481086b8b8a89a99a17ec80a861f32dc5d
Compare	5385f045f9aee91c22922d21552c4317198710f1
Diff	Diff

Improvements in System.Numerics.Tests.Perf_VectorOf<UInt16>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
DivideBenchmark - Duration of single invocation	31.14 ns	27.57 ns	0.89	0.06	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Numerics.Tests.Perf_VectorOf<UInt16>*'

Payloads

Baseline
Compare

Histogram

System.Numerics.Tests.Perf_VectorOf<UInt16>.DivideBenchmark

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 27.571547264144154 < 29.566334856364666.
IsChangePoint: Marked as a change because one of 11/2/2022 4:25:40 PM, 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 23.152582546828363 (T) = (0 -27.68049615355484) / Math.Sqrt((10.389895922478821 / (215)) + (0.15025241472889245 / (27))) is greater than 1.9698976350765727 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (215) + (27) - 2, .975) and 0.16259751829319455 = (33.05518762869686 - 27.68049615355484) / 33.05518762869686 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

### Run Information

Architecture	x64
OS	ubuntu 18.04
Baseline	71bb0d481086b8b8a89a99a17ec80a861f32dc5d
Compare	5385f045f9aee91c22922d21552c4317198710f1
Diff	Diff

Improvements in System.Numerics.Tests.Perf_VectorConvert

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Convert_float_uint - Duration of single invocation	8.66 μs	5.67 μs	0.66	0.04	False
Convert_double_ulong - Duration of single invocation	7.40 μs	6.20 μs	0.84	0.10	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Numerics.Tests.Perf_VectorConvert*'

Payloads

Baseline
Compare

Histogram

System.Numerics.Tests.Perf_VectorConvert.Convert_float_uint

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 5.673995873513733 < 8.228657139952638.
IsChangePoint: Marked as a change because one of 11/2/2022 9:35:40 AM, 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 49.29148270232447 (T) = (0 -5830.707617338197) / Math.Sqrt((740104.1877409436 / (299)) + (16797.941212077767 / (27))) is greater than 1.9673127716992511 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (27) - 2, .975) and 0.31995438548712973 = (8573.994880497605 - 5830.707617338197) / 8573.994880497605 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Numerics.Tests.Perf_VectorConvert.Convert_double_ulong

```log

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 6.199509765952982 < 7.0248782431465.
IsChangePoint: Marked as a change because one of 11/2/2022 9:35:40 AM, 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 5.895897625092822 (T) = (0 -6264.534033244317) / Math.Sqrt((601071.4050208777 / (299)) + (682438.4340236069 / (27))) is greater than 1.9673127716992511 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (27) - 2, .975) and 0.13454666095125598 = (7238.442271341778 - 6264.534033244317) / 7238.442271341778 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

Run Information

Architecture	x64
OS	ubuntu 18.04
Baseline	71bb0d481086b8b8a89a99a17ec80a861f32dc5d
Compare	5385f045f9aee91c22922d21552c4317198710f1
Diff	Diff

Improvements in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Count - Duration of single invocation	35.31 ms	28.38 ms	0.80	0.15	False
Count - Duration of single invocation	2.36 ms	2.06 ms	0.88	0.49	False
Count - Duration of single invocation	35.31 ms	28.38 ms	0.80	0.17	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig*'

Payloads

Baseline
Compare

Histogram

System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.Count(Pattern: "\p{Sm}", Options: None)

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 28.37511598076923 < 33.54470323343538.
IsChangePoint: Marked as a change because one of 10/27/2022 12:34:03 AM, 1/3/2023 6:29:42 AM, 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 5.220040368253633 (T) = (0 -29267619.317949574) / Math.Sqrt((5225395739159.354 / (299)) + (2326339197660.544 / (27))) is greater than 1.9673127716992511 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (27) - 2, .975) and 0.054299685139457425 = (30948090.910031594 - 29267619.317949574) / 30948090.910031594 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.Count(Pattern: "[a-z]shing", Options: None)

```log

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 2.062512277083333 < 2.4423457786989795.
IsChangePoint: Marked as a change because one of 1/13/2023 4:18:46 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 12.120665610913479 (T) = (0 -2037643.3293020858) / Math.Sqrt((448241302687.1628 / (299)) + (2591101716.2926445 / (22))) is greater than 1.9674283869023508 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (22) - 2, .975) and 0.19302070805877408 = (2525025.5485496297 - 2037643.3293020858) / 2525025.5485496297 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.Count(Pattern: "\\p{Sm}", Options: NonBacktracking)

```log

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 28.381682416666667 < 33.56552336428572.
IsChangePoint: Marked as a change because one of 10/27/2022 12:34:03 AM, 12/12/2022 1:34:22 PM, 1/3/2023 6:29:42 AM, 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 7.447477138015227 (T) = (0 -28886799.814253494) / Math.Sqrt((5390645001297.082 / (299)) + (1538110382941.7593 / (27))) is greater than 1.9673127716992511 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (27) - 2, .975) and 0.06594773322050866 = (30926320.55147404 - 28886799.814253494) / 30926320.55147404 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

Run Information

Architecture	x64
OS	ubuntu 18.04
Baseline	71bb0d481086b8b8a89a99a17ec80a861f32dc5d
Compare	5385f045f9aee91c22922d21552c4317198710f1
Diff	Diff

Improvements in System.Runtime.Intrinsics.Tests.Perf_Vector128Of<SByte>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
DotBenchmark - Duration of single invocation	15.46 ns	12.29 ns	0.80	0.01	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Runtime.Intrinsics.Tests.Perf_Vector128Of<SByte>*'

Payloads

Baseline
Compare

Histogram

System.Runtime.Intrinsics.Tests.Perf_Vector128Of<SByte>.DotBenchmark

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 12.294789436179121 < 14.766189033465695.
IsChangePoint: Marked as a change because one of 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 157.73684557640865 (T) = (0 -12.333363305198933) / Math.Sqrt((0.02021452809105174 / (167)) + (0.007881479875333549 / (27))) is greater than 1.972396491315351 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (167) + (27) - 2, .975) and 0.20628432730282376 = (15.538767507624158 - 12.333363305198933) / 15.538767507624158 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

Run Information

Architecture	x64
OS	ubuntu 18.04
Baseline	71bb0d481086b8b8a89a99a17ec80a861f32dc5d
Compare	5385f045f9aee91c22922d21552c4317198710f1
Diff	Diff

Improvements in System.Numerics.Tests.Perf_VectorOf<Byte>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
DivideBenchmark - Duration of single invocation	63.04 ns	55.41 ns	0.88	0.02	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Numerics.Tests.Perf_VectorOf<Byte>*'

Payloads

Baseline
Compare

Histogram

System.Numerics.Tests.Perf_VectorOf<Byte>.DivideBenchmark

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 55.41206114527553 < 59.737491174759704.
IsChangePoint: Marked as a change because one of 11/2/2022 4:25:40 PM, 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 25.145754769093614 (T) = (0 -55.61239894042533) / Math.Sqrt((35.94437099164871 / (215)) + (0.023677730402903788 / (27))) is greater than 1.9698976350765727 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (215) + (27) - 2, .975) and 0.1563772599304852 = (65.92093396610296 - 55.61239894042533) / 65.92093396610296 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

Run Information

Architecture	x64
OS	ubuntu 18.04
Baseline	71bb0d481086b8b8a89a99a17ec80a861f32dc5d
Compare	5385f045f9aee91c22922d21552c4317198710f1
Diff	Diff

Improvements in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
IsMatch - Duration of single invocation	98.25 ns	92.18 ns	0.94	0.00	False
IsMatch - Duration of single invocation	110.13 ns	91.95 ns	0.83	0.04	False
IsMatch - Duration of single invocation	215.07 ns	197.90 ns	0.92	0.05	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple*'

Payloads

Baseline
Compare

Histogram

System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple.IsMatch(Id: 10, Options: None)

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 92.18073944591256 < 93.66135345510556.
IsChangePoint: Marked as a change because one of 12/14/2022 12:26:48 AM, 1/3/2023 6:29:42 AM, 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 25.121770733206965 (T) = (0 -92.39153081583383) / Math.Sqrt((2.896117360054058 / (282)) + (1.0074516891598635 / (27))) is greater than 1.9677212881555053 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (282) + (27) - 2, .975) and 0.055991201505428634 = (97.87147213370505 - 92.39153081583383) / 97.87147213370505 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple.IsMatch(Id: 8, Options: None)

```log

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 91.95236140397911 < 98.80874927080134.
IsChangePoint: Marked as a change because one of 11/7/2022 4:10:19 PM, 12/5/2022 3:14:07 PM, 1/3/2023 6:29:42 AM, 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 29.488423405616487 (T) = (0 -91.86379495906512) / Math.Sqrt((9.151369966733744 / (299)) + (0.2930160666458591 / (27))) is greater than 1.9673127716992511 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (27) - 2, .975) and 0.06135078040613056 = (97.86807791606361 - 91.86379495906512) / 97.86807791606361 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple.IsMatch(Id: 2, Options: None)

```log

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 197.89724314067018 < 206.11341136702984.
IsChangePoint: Marked as a change because one of 11/10/2022 9:13:35 AM, 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 46.452114083290304 (T) = (0 -197.55874977841935) / Math.Sqrt((22.005302682852285 / (257)) + (1.182637046593806 / (27))) is greater than 1.968411900500806 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (257) + (27) - 2, .975) and 0.07799251850393472 = (214.2702242045337 - 197.55874977841935) / 214.2702242045337 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

Run Information

Architecture	x64
OS	ubuntu 18.04
Baseline	71bb0d481086b8b8a89a99a17ec80a861f32dc5d
Compare	5385f045f9aee91c22922d21552c4317198710f1
Diff	Diff

Improvements in System.IO.Tests.Perf_StreamWriter

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
WriteString - Duration of single invocation	355.08 ms	325.84 ms	0.92	0.03	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.IO.Tests.Perf_StreamWriter*'

Payloads

Baseline
Compare

Histogram

System.IO.Tests.Perf_StreamWriter.WriteString(writeLength: 100)

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 325.84479271428575 < 337.02587397785715.
IsChangePoint: Marked as a change because one of 12/21/2022 9:23:17 AM, 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 9.074721281097332 (T) = (0 -325560217.45490444) / Math.Sqrt((955928813043082.1 / (175)) + (14671722686319.293 / (27))) is greater than 1.9718962236336928 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (175) + (27) - 2, .975) and 0.0639427798387792 = (347799483.2397446 - 325560217.45490444) / 347799483.2397446 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

Run Information

Architecture	x64
OS	ubuntu 18.04
Baseline	71bb0d481086b8b8a89a99a17ec80a861f32dc5d
Compare	5385f045f9aee91c22922d21552c4317198710f1
Diff	Diff

Improvements in System.Threading.Tasks.ValueTaskPerfTest

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Copy_PassAsArgumentAndReturn_FromResult - Duration of single invocation	5.77 ns	1.53 ns	0.27	0.03	False
Copy_PassAsArgumentAndReturn_FromValueTaskSource - Duration of single invocation	10.92 ns	6.16 ns	0.56	0.04	False
Copy_PassAsArgumentAndReturn_FromTask - Duration of single invocation	7.10 ns	3.03 ns	0.43	0.06	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Threading.Tasks.ValueTaskPerfTest*'

Payloads

Baseline
Compare

Histogram

System.Threading.Tasks.ValueTaskPerfTest.Copy_PassAsArgumentAndReturn_FromResult

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 1.5313700177454466 < 5.487209300281522.
IsChangePoint: Marked as a change because one of 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 153.84848977385604 (T) = (0 -1.571540526745648) / Math.Sqrt((0.0019039596160531553 / (251)) + (0.019834658225436015 / (27))) is greater than 1.968596344330496 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (251) + (27) - 2, .975) and 0.7273001825671433 = (5.762895412031538 - 1.571540526745648) / 5.762895412031538 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Threading.Tasks.ValueTaskPerfTest.Copy_PassAsArgumentAndReturn_FromValueTaskSource

```log

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 6.162047886128789 < 10.361267565215359.
IsChangePoint: Marked as a change because one of 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 169.1965009810183 (T) = (0 -6.157317990718177) / Math.Sqrt((0.044881638974710425 / (258)) + (0.017652651845827226 / (27))) is greater than 1.9683819234322317 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (258) + (27) - 2, .975) and 0.4415255178758178 = (11.025244998300634 - 6.157317990718177) / 11.025244998300634 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Threading.Tasks.ValueTaskPerfTest.Copy_PassAsArgumentAndReturn_FromTask

```log

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 3.033305457787776 < 6.745316653716693.
IsChangePoint: Marked as a change because one of 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 150.1741146245378 (T) = (0 -3.0706880176883002) / Math.Sqrt((0.08633745779743172 / (257)) + (0.010827699335527392 / (27))) is greater than 1.968411900500806 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (257) + (27) - 2, .975) and 0.5703824212372169 = (7.1474915587283405 - 3.0706880176883002) / 7.1474915587283405 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

Run Information

Architecture	x64
OS	ubuntu 18.04
Baseline	71bb0d481086b8b8a89a99a17ec80a861f32dc5d
Compare	5385f045f9aee91c22922d21552c4317198710f1
Diff	Diff

Improvements in System.Buffers.Tests.ReadOnlySequenceTests<Char>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
IterateTryGetTenSegments - Duration of single invocation	46.95 ns	41.64 ns	0.89	0.02	False
IterateGetPositionMemory - Duration of single invocation	33.15 ns	31.15 ns	0.94	0.00	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Buffers.Tests.ReadOnlySequenceTests<Char>*'

Payloads

Baseline
Compare

Histogram

System.Buffers.Tests.ReadOnlySequenceTests<Char>.IterateTryGetTenSegments

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 41.642013036997604 < 44.5737792030312.
IsChangePoint: Marked as a change because one of 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 16.176345636813192 (T) = (0 -41.70759847836316) / Math.Sqrt((0.7544508952529138 / (299)) + (2.198391197082435 / (27))) is greater than 1.9673127716992511 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (27) - 2, .975) and 0.10102118923771539 = (46.394417731600825 - 41.70759847836316) / 46.394417731600825 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;.IterateGetPositionMemory

```log

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 31.149905547648476 < 31.455060726759413.
IsChangePoint: Marked as a change because one of 12/23/2022 9:40:21 PM, 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 48.24881691447153 (T) = (0 -30.92869322821185) / Math.Sqrt((0.12167912331226112 / (299)) + (0.02380213316191685 / (27))) is greater than 1.9673127716992511 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (27) - 2, .975) and 0.05302818175761357 = (32.66062688709851 - 30.92869322821185) / 32.66062688709851 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

Run Information

Architecture	x64
OS	ubuntu 18.04
Baseline	71bb0d481086b8b8a89a99a17ec80a861f32dc5d
Compare	5385f045f9aee91c22922d21552c4317198710f1
Diff	Diff

Improvements in System.Collections.CtorFromCollection<String>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
ImmutableList - Duration of single invocation	11.03 μs	10.10 μs	0.92	0.00	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.CtorFromCollection<String>*'

Payloads

Baseline
Compare

Histogram

System.Collections.CtorFromCollection<String>.ImmutableList(Size: 512)

Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 10.096194674850695 < 10.475948883297276.
IsChangePoint: Marked as a change because one of 1/11/2023 2:37:52 AM, 1/17/2023 6:49:05 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 6:49:05 AM.
IsImprovementStdDev: Marked as improvement because 34.28255453744414 (T) = (0 -10100.559488119588) / Math.Sqrt((11581.03769546872 / (299)) + (16683.029557047426 / (27))) is greater than 1.9673127716992511 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (27) - 2, .975) and 0.0800141488893999 = (10979.03785794778 - 10100.559488119588) / 10979.03785794778 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository