[Perf] Windows/arm64: 2 Improvements on 11/10/2022 12:18:51 PM

[performanceautofiler]

Run Information

Architecture	arm64
OS	Windows 10.0.25094
Baseline	feb9968ad754c7116178fdc3216dc12977bebbf0
Compare	72ad6649b505a98cae5ff296818df2d7a5da4807
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	981.64 ms	864.16 ms	0.88	0.52	False
Count - Duration of single invocation	950.35 ms	743.44 ms	0.78	0.55	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig*'

Related Issues

Regressions

• [Perf] Windows/arm64: 1 Regression on 11/10/2022 12:18:51 PM
• [Perf] Windows/arm64: 5 Regressions on 11/10/2022 12:18:51 PM
• [Perf] Linux/arm64: 1 Regression on 11/10/2022 12:18:51 PM

Improvements

• [Perf] Windows/arm64: 2 Improvements on 11/10/2022 12:18:51 PM
• [Perf] Windows/x64: 2 Improvements on 11/10/2022 12:18:51 PM
• [Perf] Linux/x64: 3 Improvements on 11/10/2022 12:18:51 PM

Payloads

Baseline
Compare

Histogram

Edge Detector Info

Collection Data

System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.Count(Pattern: ".{2,4}(Tom|Sawyer|Huckleberry|Finn)", Options: Compiled)

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 864.155082 < 945.22599255.
IsChangePoint: Marked as a change because one of 10/27/2022 5:53:52 AM, 11/9/2022 4:06:23 PM, 11/17/2022 1:45:21 AM falls between 11/8/2022 10:18:07 AM and 11/17/2022 1:45:21 AM.
IsImprovementStdDev: Marked as improvement because 3.0082288319785686 (T) = (0 -814099752.4711779) / Math.Sqrt((6550994085853181 / (299)) + (3847478111925102.5 / (21))) is greater than 1.967451947860886 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (21) - 2, .975) and 0.0502624829375045 = (857183945.9276702 - 814099752.4711779) / 857183945.9276702 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.Count(Pattern: ".{0,2}(Tom|Sawyer|Huckleberry|Finn)", Options: Compiled)

```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 743.435262 < 897.5155761.
IsChangePoint: Marked as a change because one of 10/27/2022 12:34:03 AM, 11/9/2022 4:06:23 PM, 11/17/2022 1:45:21 AM falls between 11/8/2022 10:18:07 AM and 11/17/2022 1:45:21 AM.
IsImprovementStdDev: Marked as improvement because 3.044238487849621 (T) = (0 -795810288.2539682) / Math.Sqrt((6274249756550271 / (299)) + (4144347880072520 / (21))) is greater than 1.967451947860886 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (21) - 2, .975) and 0.05349961019214834 = (840792351.3011179 - 795810288.2539682) / 840792351.3011179 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

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