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[Perf] Windows/arm64: 2 Improvements on 10/26/2022 10:56:11 AM #9267

@performanceautofiler

Description

@performanceautofiler

Run Information

Architecture arm64
OS Windows 10.0.19041
Baseline a8ea8e67dc20689aa2e4c738a2f84ea3483ec872
Compare e6bac1e15f3ea795c84cbd009eb8b77da460c9e1
Diff Diff

Improvements in System.Memory.Span<Byte>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
IndexOfAnyFourValues - Duration of single invocation 823.82 ns 30.57 ns 0.04 0.00 False
IndexOfAnyFiveValues - Duration of single invocation 986.83 ns 36.77 ns 0.04 0.00 False

graph
graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Memory.Span&lt;Byte&gt;*'

Related Issues

Regressions

Improvements

Details

Payloads

Baseline
Compare

Histogram

Edge Detector Info

Collection Data

System.Memory.Span<Byte>.IndexOfAnyFourValues(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 30.573812325268005 < 782.6587791878889.
IsChangePoint: Marked as a change because one of 10/26/2022 7:25:48 AM, 10/27/2022 12:34:03 AM falls between 10/18/2022 9:26:37 AM and 10/27/2022 12:34:03 AM.
IsImprovementStdDev: Marked as improvement because 12047.127403769071 (T) = (0 -30.633591488330705) / Math.Sqrt((0.22812800814310946 / (299)) + (0.007147096672953761 / (2))) is greater than 1.9679296690655894 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (2) - 2, .975) and 0.9628216863388076 = (823.9639852279475 - 30.633591488330705) / 823.9639852279475 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.Memory.Span&lt;Byte&gt;.IndexOfAnyFiveValues(Size: 512)

```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 36.7665240444618 < 937.5309066156065.
IsChangePoint: Marked as a change because one of 10/26/2022 7:25:48 AM, 10/27/2022 12:34:03 AM falls between 10/18/2022 9:26:37 AM and 10/27/2022 12:34:03 AM.
IsImprovementStdDev: Marked as improvement because 2901.5641547650916 (T) = (0 -36.4405854983676) / Math.Sqrt((0.3152110441678803 / (299)) + (0.21247187166000178 / (2))) is greater than 1.9679296690655894 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (2) - 2, .975) and 0.9630739485076023 = (986.8530217987128 - 36.4405854983676) / 986.8530217987128 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

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