[Perf] Windows/arm64: 3 Improvements on 11/11/2022 1:18:55 PM

[performanceautofiler]

Run Information

Architecture	arm64
OS	Windows 10.0.19041
Baseline	4820105ba85531da5b388e7b2e98fdcdae9ced07
Compare	2b1f57e08b26879e4fa99670df078b77c848d9e0
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
IsSuffix_DifferentLastChar - Duration of single invocation	169.43 ns	91.25 ns	0.54	0.00	False
IsPrefix_FirstHalf - Duration of single invocation	87.18 ns	47.81 ns	0.55	0.00	False
IsSuffix_SecondHalf - Duration of single invocation	87.47 ns	49.01 ns	0.56	0.00	False

Test Report

Repro

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

Related Issues

Regressions

• [Perf] Windows/arm64: 1 Regression on 11/11/2022 1:18:55 PM
• [Perf] Linux/arm64: 1 Regression on 11/11/2022 1:18:55 PM

Improvements

• [Perf] Linux/arm64: 3 Improvements on 11/11/2022 1:18:55 PM

Payloads

Baseline
Compare

Histogram

Edge Detector Info

Collection Data

System.Globalization.Tests.StringSearch.IsSuffix_DifferentLastChar(Options: (en-US, OrdinalIgnoreCase, 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 91.25357858461551 < 160.9544786944463.
IsChangePoint: Marked as a change because one of 11/11/2022 8:39:50 AM, 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 772.9837540229006 (T) = (0 -91.43542469687702) / Math.Sqrt((0.13374970529663008 / (299)) + (0.16651517526144569 / (17))) is greater than 1.9675476980854363 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (17) - 2, .975) and 0.4610819212965676 = (169.66479379734096 - 91.43542469687702) / 169.66479379734096 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.Globalization.Tests.StringSearch.IsPrefix_FirstHalf(Options: (en-US, OrdinalIgnoreCase, 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 47.81176341870209 < 82.83185792081855.
IsChangePoint: Marked as a change because one of 11/11/2022 8:39:50 AM, 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 242.5332879384914 (T) = (0 -47.886911775639405) / Math.Sqrt((0.11467377861304474 / (299)) + (0.4366553473386082 / (17))) is greater than 1.9675476980854363 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (17) - 2, .975) and 0.44986778553810414 = (87.04618729241173 - 47.886911775639405) / 87.04618729241173 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.Globalization.Tests.StringSearch.IsSuffix_SecondHalf(Options: (en-US, OrdinalIgnoreCase, 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 49.00603813732964 < 83.0157699066918.
IsChangePoint: Marked as a change because one of 11/11/2022 8:39:50 AM, 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 364.1919436818227 (T) = (0 -48.97654785873152) / Math.Sqrt((0.0691667489463562 / (299)) + (0.18753934000518016 / (17))) is greater than 1.9675476980854363 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (17) - 2, .975) and 0.44108142406336937 = (87.62733959353037 - 48.97654785873152) / 87.62733959353037 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