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[Perf] Linux/arm64: 5 Improvements on 10/4/2023 1:30:06 AM #23002

Closed
@performanceautofiler

Description

@performanceautofiler

Run Information

NameValue
Architecturearm64
OSubuntu 20.04
QueueAmpereUbuntu
Baseline1780220c9b2963e127599accc618208975c4711f
Compareaa2d13ab1789892c9fe7c2dbcd57fea035b1c0e0
DiffDiff
ConfigsCompilationMode:tiered, RunKind:micro

Improvements in System.IO.Tests.Perf_FileStream

BenchmarkBaselineTestTest/BaseTest QualityEdge DetectorBaseline IRCompare IRIR Ratio
2.74 ms1.15 ms0.420.78False
5.90 μs5.08 μs0.860.60False

graph
graph
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.gitpython3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.IO.Tests.Perf_FileStream*'

Payloads

Baseline
Compare

System.IO.Tests.Perf_FileStream.AppendAsync(fileSize: 1048576, userBufferSize: 4096, options: DeleteOnClose, Asynchronous)

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 1.1536774203431372 < 2.142542809395833.IsChangePoint: Marked as a change because one of 8/18/2023 11:08:41 PM, 10/3/2023 10:08:56 AM, 10/11/2023 11:44:03 AM falls between 10/2/2023 7:07:56 PM and 10/11/2023 11:44:03 AM.IsImprovementStdDev: Marked as improvement because 4.470219648542138 (T) = (0 -1334364.00070017) / Math.Sqrt((171166239222.65512 / (299)) + (25024340019.995605 / (12))) is greater than 1.9676708853560316 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (12) - 2, .975) and 0.14727431194897914 = (1564822.0985930136 - 1334364.00070017) / 1564822.0985930136 is greater than 0.05.IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

JIT Disasms

System.IO.Tests.Perf_FileStream.Read(fileSize: 1024, userBufferSize: 1024, options: None)

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 5.082271395199957 < 5.630305386389564.IsChangePoint: Marked as a change because one of 8/31/2023 1:23:15 PM, 10/2/2023 7:07:56 PM, 10/11/2023 11:44:03 AM falls between 10/2/2023 7:07:56 PM and 10/11/2023 11:44:03 AM.IsImprovementStdDev: Marked as improvement because 8.455964525961894 (T) = (0 -5077.009081415826) / Math.Sqrt((276736.29015048034 / (299)) + (46873.78289175055 / (13))) is greater than 1.9676459287777595 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (13) - 2, .975) and 0.10081217123139403 = (5646.216417729478 - 5077.009081415826) / 5646.216417729478 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

NameValue
Architecturearm64
OSubuntu 20.04
QueueAmpereUbuntu
Baseline1780220c9b2963e127599accc618208975c4711f
Compareaa2d13ab1789892c9fe7c2dbcd57fea035b1c0e0
DiffDiff
ConfigsCompilationMode:tiered, RunKind:micro

Improvements in System.Memory.Span<Char>

BenchmarkBaselineTestTest/BaseTest QualityEdge DetectorBaseline IRCompare IRIR Ratio
41.83 ns32.35 ns0.770.04False

graph
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.gitpython3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Memory.Span&lt;Char&gt;*'

Payloads

Baseline
Compare

System.Memory.Span<Char>.LastIndexOfValue(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 32.348158157051536 < 40.725728405276904.IsChangePoint: Marked as a change because one of 5/19/2023 4:22:12 AM, 10/3/2023 10:08:56 AM, 10/11/2023 11:44:03 AM falls between 10/2/2023 7:07:56 PM and 10/11/2023 11:44:03 AM.IsImprovementStdDev: Marked as improvement because 19.176237377028063 (T) = (0 -33.66264667592932) / Math.Sqrt((16.786924675206805 / (299)) + (0.6838122271155851 / (12))) is greater than 1.9676708853560316 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (12) - 2, .975) and 0.16079361695367744 = (40.112476925799555 - 33.66264667592932) / 40.112476925799555 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

NameValue
Architecturearm64
OSubuntu 20.04
QueueAmpereUbuntu
Baseline1780220c9b2963e127599accc618208975c4711f
Compareaa2d13ab1789892c9fe7c2dbcd57fea035b1c0e0
DiffDiff
ConfigsCompilationMode:tiered, RunKind:micro

Improvements in System.Collections.IndexerSet<Int32>

BenchmarkBaselineTestTest/BaseTest QualityEdge DetectorBaseline IRCompare IRIR Ratio
6.14 μs4.81 μs0.780.06False

graph
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.gitpython3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.IndexerSet&lt;Int32&gt;*'

Payloads

Baseline
Compare

System.Collections.IndexerSet<Int32>.Dictionary(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 4.807104784286306 < 5.831184496006352.IsChangePoint: Marked as a change because one of 4/25/2023 6:46:56 PM, 6/1/2023 4:59:33 PM, 7/27/2023 8:47:55 AM, 8/4/2023 10:42:53 AM, 9/20/2023 11:58:56 PM, 10/3/2023 10:08:56 AM, 10/11/2023 11:44:03 AM falls between 10/2/2023 7:07:56 PM and 10/11/2023 11:44:03 AM.IsImprovementStdDev: Marked as improvement because 2.3107911209344083 (T) = (0 -4906.365001233121) / Math.Sqrt((343291.2765827552 / (299)) + (180966.63880442712 / (12))) is greater than 1.9676708853560316 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (12) - 2, .975) and 0.05660269721235216 = (5200.740967496183 - 4906.365001233121) / 5200.740967496183 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

NameValue
Architecturearm64
OSubuntu 20.04
QueueAmpereUbuntu
Baseline1780220c9b2963e127599accc618208975c4711f
Compareaa2d13ab1789892c9fe7c2dbcd57fea035b1c0e0
DiffDiff
ConfigsCompilationMode:tiered, RunKind:micro

Improvements in System.IO.MemoryMappedFiles.Tests.Perf_MemoryMappedFile

BenchmarkBaselineTestTest/BaseTest QualityEdge DetectorBaseline IRCompare IRIR Ratio
11.47 μs9.98 μs0.870.39False

graph
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.gitpython3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.IO.MemoryMappedFiles.Tests.Perf_MemoryMappedFile*'

Payloads

Baseline
Compare

System.IO.MemoryMappedFiles.Tests.Perf_MemoryMappedFile.CreateFromFile(capacity: 10000)

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 9.980673691728125 < 11.392264305294994.IsChangePoint: Marked as a change because one of 8/19/2023 8:04:10 PM, 10/3/2023 10:08:56 AM, 10/11/2023 11:44:03 AM falls between 10/2/2023 7:07:56 PM and 10/11/2023 11:44:03 AM.IsImprovementStdDev: Marked as improvement because 8.323018193939433 (T) = (0 -9880.712029760152) / Math.Sqrt((749977.4473126214 / (299)) + (39934.05571246266 / (12))) is greater than 1.9676708853560316 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (12) - 2, .975) and 0.06046025894461814 = (10516.545067759647 - 9880.712029760152) / 10516.545067759647 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

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