[Perf] Linux/x64: 3 Improvements on 4/2/2023 3:55:31 PM

[performanceautofiler]

Run Information

Name	Value
Architecture	x64
OS	ubuntu 18.04
Queue	TigerUbuntu
Baseline	e65ebc920e766c1644e621875c20e4b1c6875a83
Compare	8ffad5201e02ec8657065aabc543135903767535
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Improvements in System.Memory.ReadOnlySpan

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Trim - Duration of single invocation	2.02 ns	0.22 ns	0.11	0.29	False

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

Payloads

Baseline
Compare

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Memory.ReadOnlySpan*'

Payloads

Baseline
Compare

Histogram

System.Memory.ReadOnlySpan.Trim(input: "")

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 0.21889382759477102 < 1.915965804550054.
IsChangePoint: Marked as a change because one of 2/12/2023 9:12:37 PM, 4/1/2023 8:54:51 PM, 4/3/2023 9:14:01 PM falls between 3/26/2023 7:47:31 AM and 4/3/2023 9:14:01 PM.
IsImprovementStdDev: Marked as improvement because 33.03543702607631 (T) = (0 -0.3272229392018306) / Math.Sqrt((0.022012776221316345 / (299)) + (0.014128369336709953 / (6))) is greater than 1.967824097752068 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (6) - 2, .975) and 0.8326356080836423 = (1.9551526788647144 - 0.3272229392018306) / 1.9551526788647144 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

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	e65ebc920e766c1644e621875c20e4b1c6875a83
Compare	8ffad5201e02ec8657065aabc543135903767535
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Improvements in Span.Sorting

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
QuickSortSpan - Duration of single invocation	14.35 μs	6.89 μs	0.48	0.08	False

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

Payloads

Baseline
Compare

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'Span.Sorting*'

Payloads

Baseline
Compare

Histogram

Span.Sorting.QuickSortSpan(Size: 512)

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 6.887230230769232 < 8.118022174999998.
IsChangePoint: Marked as a change because one of 3/26/2023 1:36:36 AM, 3/26/2023 1:21:26 PM, 4/1/2023 8:54:51 PM, 4/3/2023 9:14:01 PM falls between 3/26/2023 7:47:31 AM and 4/3/2023 9:14:01 PM.
IsImprovementStdDev: Marked as improvement because 23.750122536207474 (T) = (0 -6797.771469413919) / Math.Sqrt((1877108.5147766438 / (299)) + (5035.189765803045 / (6))) is greater than 1.967824097752068 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (6) - 2, .975) and 0.22764957396125912 = (8801.408324817761 - 6797.771469413919) / 8801.408324817761 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

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	e65ebc920e766c1644e621875c20e4b1c6875a83
Compare	8ffad5201e02ec8657065aabc543135903767535
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	Baseline ETL	Compare ETL
TryParseGeneric_Flags - Duration of single invocation	17.01 ns	15.03 ns	0.88	0.04	False

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

Payloads

Baseline
Compare

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

Histogram

System.Tests.Perf_Enum.TryParseGeneric_Flags(text: "Red")

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 15.03159174666364 < 16.12737638232728.
IsChangePoint: Marked as a change because one of 2/20/2023 10:31:48 AM, 3/3/2023 4:59:02 PM, 4/1/2023 8:54:51 PM, 4/3/2023 9:14:01 PM falls between 3/26/2023 7:47:31 AM and 4/3/2023 9:14:01 PM.
IsImprovementStdDev: Marked as improvement because 40.46726430806597 (T) = (0 -15.156870441536377) / Math.Sqrt((0.1843529872799292 / (299)) + (0.005380837024250067 / (6))) is greater than 1.967824097752068 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (6) - 2, .975) and 0.09409169694939579 = (16.73113094393364 - 15.156870441536377) / 16.73113094393364 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

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

[kunalspathak]

dotnet/runtime#84210