[Perf] Linux/arm64: 1 Improvement on 7/20/2023 8:15:02 AM

[performanceautofiler]

Run Information

Name	Value
Architecture	arm64
OS	ubuntu 20.04
Queue	AmpereUbuntu
Baseline	16dc5330051a97aec4ba89d21263cdccc7b7552c
Compare	3a077f52c120a41259d12819b79b8a8ae994c22d
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Improvements in System.Tests.Perf_Enum

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
GetValuesAsUnderlyingType_NonGeneric - Duration of single invocation ADX - Test Multi Config Graph	22.49 ns	20.12 ns	0.89	0.37	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.Tests.Perf_Enum*'

Payloads

Baseline
Compare

System.Tests.Perf_Enum.GetValuesAsUnderlyingType_NonGeneric

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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 4/25/2023 6:46:56 PM, 5/19/2023 4:22:12 AM, 7/18/2023 4:12:30 PM, 7/26/2023 10:32:59 PM falls between 7/18/2023 9:59:03 AM and 7/26/2023 10:32:59 PM.
IsImprovementStdDev: Marked as improvement because 17.039470146918383 (T) = (0 -20.799279896960634) / Math.Sqrt((2.7852242486078187 / (299)) + (1.0096457959156908 / (13))) is greater than 1.9676459287777595 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (13) - 2, .975) and 0.19459522128411316 = (25.82462936229703 - 20.799279896960634) / 25.82462936229703 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

[EgorBo]

Could be dotnet/runtime#88163