[Perf] Linux/x64: 2 Improvements on 7/26/2023 12:02:55 AM

[performanceautofiler]

Run Information

Name	Value
Architecture	x64
OS	ubuntu 18.04
Queue	TigerUbuntu
Baseline	8f5364695b107f37af899aba3ad1b9f98d577c33
Compare	7ebf9676b4e37c183072f97efaa21e6b4a7d33f3
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Improvements in System.Collections.CtorFromCollectionNonGeneric<String>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Hashtable - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	23.53 μs	22.14 μs	0.94	0.16	False

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.CtorFromCollectionNonGeneric<String>*'

Payloads

Baseline
Compare

System.Collections.CtorFromCollectionNonGeneric<String>.Hashtable(Size: 512)

ETL Files

Histogram

Description of detection logic

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.
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 22.142671465292132 < 22.547554990887612.
IsChangePoint: Marked as a change because one of 5/19/2023 10:30:38 AM, 7/25/2023 7:04:35 PM, 8/3/2023 7:53:20 AM falls between 7/25/2023 7:04:35 PM and 8/3/2023 7:53:20 AM.
IsImprovementStdDev: Marked as improvement because 27.6907164603581 (T) = (0 -21949.424175385026) / Math.Sqrt((2232633.240195977 / (299)) + (141932.0691242741 / (25))) is greater than 1.9673585853226652 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (25) - 2, .975) and 0.12636061365200563 = (25124.123887246507 - 21949.424175385026) / 25124.123887246507 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

JIT Disasms

Docs

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

---

Run Information

Name	Value
Architecture	x64
OS	ubuntu 18.04
Queue	TigerUbuntu
Baseline	8f5364695b107f37af899aba3ad1b9f98d577c33
Compare	7ebf9676b4e37c183072f97efaa21e6b4a7d33f3
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Improvements in System.Globalization.Tests.StringSearch

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
IsSuffix_DifferentLastChar - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	58.06 ns	42.44 ns	0.73	0.26	False

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_DifferentLastChar(Options: (en-US, OrdinalIgnoreCase, False))

ETL Files

Histogram

Description of detection logic

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.
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 42.43837255291607 < 55.15568926736245.
IsChangePoint: Marked as a change because one of 5/19/2023 10:30:38 AM, 7/25/2023 7:04:35 PM, 8/3/2023 7:53:20 AM falls between 7/25/2023 7:04:35 PM and 8/3/2023 7:53:20 AM.
IsImprovementStdDev: Marked as improvement because 52.03883541418968 (T) = (0 -42.55008561178268) / Math.Sqrt((14.719911204864708 / (299)) + (0.07971419834186004 / (25))) is greater than 1.9673585853226652 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (25) - 2, .975) and 0.21875536418645575 = (54.46448354486736 - 42.55008561178268) / 54.46448354486736 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

JIT Disasms

Docs

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