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[Perf] Linux/arm64: 16 Improvements on 6/8/2023 3:52:42 PM #18854

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performanceautofiler bot opened this issue Jun 15, 2023 · 1 comment
Closed

[Perf] Linux/arm64: 16 Improvements on 6/8/2023 3:52:42 PM #18854

performanceautofiler bot opened this issue Jun 15, 2023 · 1 comment
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ampere arch-arm64 branch-refs/heads/main kind-micro os-linux perf-improvement PGO Applied if there were any profile guided optimization updates in the observed interval. runtime-coreclr untriaged

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performanceautofiler bot commented Jun 15, 2023 •
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Run Information

Name Value
Architecture arm64
OS ubuntu 20.04
Queue AmpereUbuntu
Baseline dd715a0747ebeb85a234c8abec7e01bb6652c8ce
Compare 9bcf52342b5a6573ecd2c81fbfd541df0ebc42f4
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in System.Tests.Perf_Guid

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
Parse - Duration of single invocation 40.27 ns 30.06 ns 0.75 0.03 False
ctor_str - Duration of single invocation 40.24 ns 30.42 ns 0.76 0.02 False
ParseExactD - Duration of single invocation 38.72 ns 32.94 ns 0.85 0.01 False

graph
graph
graph
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_Guid*'

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_Guid.Parse

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 30.057613648307758 < 38.13256750832073.
IsChangePoint: Marked as a change because one of 4/1/2023 5:53:03 AM, 5/26/2023 9:55:14 AM, 6/8/2023 5:31:08 AM, 6/14/2023 3:35:53 PM falls between 6/5/2023 10:09:45 PM and 6/14/2023 3:35:53 PM.
IsImprovementStdDev: Marked as improvement because 17.495093307492002 (T) = (0 -29.929934670613832) / Math.Sqrt((8.173984061642908 / (299)) + (0.17690624896954107 / (13))) is greater than 1.9676459287777595 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (13) - 2, .975) and 0.10577054481845823 = (33.470083653795115 - 29.929934670613832) / 33.470083653795115 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

JIT Disasms

System.Tests.Perf_Guid.ctor_str

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 30.42154801491438 < 38.164817917660734.
IsChangePoint: Marked as a change because one of 4/1/2023 5:53:03 AM, 5/26/2023 9:55:14 AM, 6/8/2023 5:31:08 AM, 6/14/2023 3:35:53 PM falls between 6/5/2023 10:09:45 PM and 6/14/2023 3:35:53 PM.
IsImprovementStdDev: Marked as improvement because 16.74719961894976 (T) = (0 -30.014973710059316) / Math.Sqrt((8.145549078663835 / (299)) + (0.2046524671649894 / (13))) is greater than 1.9676459287777595 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (13) - 2, .975) and 0.10368673704706947 = (33.487146682594094 - 30.014973710059316) / 33.487146682594094 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

JIT Disasms

System.Tests.Perf_Guid.ParseExactD

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 32.9351296114373 < 37.3210446325811.
IsChangePoint: Marked as a change because one of 4/25/2023 6:46:56 PM, 5/26/2023 9:55:14 AM, 6/8/2023 5:31:08 AM, 6/14/2023 3:35:53 PM falls between 6/5/2023 10:09:45 PM and 6/14/2023 3:35:53 PM.
IsImprovementStdDev: Marked as improvement because 13.413578394985603 (T) = (0 -33.417267860620264) / Math.Sqrt((2.525537567808676 / (299)) + (0.17698880514297752 / (13))) is greater than 1.9676459287777595 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (13) - 2, .975) and 0.05626492670562327 = (35.40958559902595 - 33.417267860620264) / 35.40958559902595 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 arm64
OS ubuntu 20.04
Queue AmpereUbuntu
Baseline dd715a0747ebeb85a234c8abec7e01bb6652c8ce
Compare 9bcf52342b5a6573ecd2c81fbfd541df0ebc42f4
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in System.Tests.Perf_GC<Byte>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
AllocateUninitializedArray - Duration of single invocation 246.73 ns 194.30 ns 0.79 0.07 False

graph
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_GC&lt;Byte&gt;*'

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_GC<Byte>.AllocateUninitializedArray(length: 1000, pinned: True)

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 194.30072822249028 < 231.90953816712627.
IsChangePoint: Marked as a change because one of 5/23/2023 1:41:12 PM, 6/8/2023 5:31:08 AM, 6/14/2023 3:35:53 PM falls between 6/5/2023 10:09:45 PM and 6/14/2023 3:35:53 PM.
IsImprovementStdDev: Marked as improvement because 5.8909853778389945 (T) = (0 -182.2179411998245) / Math.Sqrt((383.4349805833084 / (299)) + (26.71169051729727 / (13))) is greater than 1.9676459287777595 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (13) - 2, .975) and 0.05576526593794843 = (192.97949400350043 - 182.2179411998245) / 192.97949400350043 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 arm64
OS ubuntu 20.04
Queue AmpereUbuntu
Baseline dd715a0747ebeb85a234c8abec7e01bb6652c8ce
Compare 9bcf52342b5a6573ecd2c81fbfd541df0ebc42f4
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in System.IO.Tests.Perf_StreamWriter

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
WriteFormat - Duration of single invocation 71.75 ns 66.39 ns 0.93 0.03 False

graph
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.IO.Tests.Perf_StreamWriter*'

Payloads

Baseline
Compare

Histogram

System.IO.Tests.Perf_StreamWriter.WriteFormat

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 66.38570372966858 < 68.98051266064272.
IsChangePoint: Marked as a change because one of 3/2/2023 11:15:04 AM, 5/19/2023 4:22:12 AM, 5/26/2023 9:55:14 AM, 6/8/2023 5:31:08 AM, 6/14/2023 3:35:53 PM falls between 6/5/2023 10:09:45 PM and 6/14/2023 3:35:53 PM.
IsImprovementStdDev: Marked as improvement because 19.47588166161561 (T) = (0 -66.56478716372206) / Math.Sqrt((3.801604818423067 / (299)) + (0.677667433719156 / (13))) is greater than 1.9676459287777595 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (13) - 2, .975) and 0.06933854479231712 = (71.52416895665644 - 66.56478716372206) / 71.52416895665644 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 arm64
OS ubuntu 20.04
Queue AmpereUbuntu
Baseline dd715a0747ebeb85a234c8abec7e01bb6652c8ce
Compare 9bcf52342b5a6573ecd2c81fbfd541df0ebc42f4
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in System.Collections.Sort<IntStruct>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
LinqQuery - Duration of single invocation 33.04 μs 23.91 μs 0.72 0.37 False
LinqOrderByExtension - Duration of single invocation 33.19 μs 23.47 μs 0.71 0.38 False

graph
graph
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.Collections.Sort&lt;IntStruct&gt;*'

Payloads

Baseline
Compare

Histogram

System.Collections.Sort<IntStruct>.LinqQuery(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 23.906368453333336 < 30.972992276071423.
IsChangePoint: Marked as a change because one of 5/19/2023 4:22:12 AM, 5/26/2023 9:55:14 AM, 6/8/2023 5:31:08 AM, 6/14/2023 3:35:53 PM falls between 6/5/2023 10:09:45 PM and 6/14/2023 3:35:53 PM.
IsImprovementStdDev: Marked as improvement because 51.43088438732569 (T) = (0 -23524.365954139193) / Math.Sqrt((18278112.03476744 / (299)) + (67821.39670545713 / (13))) is greater than 1.9676459287777595 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (13) - 2, .975) and 0.3602636729559507 = (36771.9714508559 - 23524.365954139193) / 36771.9714508559 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

JIT Disasms

System.Collections.Sort<IntStruct>.LinqOrderByExtension(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 23.465428813333332 < 31.483774243214285.
IsChangePoint: Marked as a change because one of 5/19/2023 4:22:12 AM, 5/26/2023 9:55:14 AM, 6/8/2023 5:31:08 AM, 6/14/2023 3:35:53 PM falls between 6/5/2023 10:09:45 PM and 6/14/2023 3:35:53 PM.
IsImprovementStdDev: Marked as improvement because 53.95703065917763 (T) = (0 -23436.368925150742) / Math.Sqrt((18379334.784271006 / (299)) + (12930.638401158336 / (13))) is greater than 1.9676459287777595 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (13) - 2, .975) and 0.36524206559675904 = (36921.74237598798 - 23436.368925150742) / 36921.74237598798 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 arm64
OS ubuntu 20.04
Queue AmpereUbuntu
Baseline dd715a0747ebeb85a234c8abec7e01bb6652c8ce
Compare 9bcf52342b5a6573ecd2c81fbfd541df0ebc42f4
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in System.Collections.Tests.Perf_PriorityQueue<Guid, Guid>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
Dequeue_And_Enqueue - Duration of single invocation 328.87 μs 307.46 μs 0.93 0.01 False

graph
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.Collections.Tests.Perf_PriorityQueue&lt;Guid, Guid&gt;*'

Payloads

Baseline
Compare

Histogram

System.Collections.Tests.Perf_PriorityQueue<Guid, Guid>.Dequeue_And_Enqueue(Size: 1000)

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 307.46065310457516 < 319.67115679170365.
IsChangePoint: Marked as a change because one of 4/25/2023 6:46:56 PM, 5/19/2023 4:22:12 AM, 5/26/2023 9:55:14 AM, 6/8/2023 5:31:08 AM, 6/14/2023 3:35:53 PM falls between 6/5/2023 10:09:45 PM and 6/14/2023 3:35:53 PM.
IsImprovementStdDev: Marked as improvement because 40.01341070136302 (T) = (0 -307449.3099454279) / Math.Sqrt((52503852.037136465 / (299)) + (132344.91866062197 / (13))) is greater than 1.9676459287777595 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (13) - 2, .975) and 0.05311614411633885 = (324695.9043973844 - 307449.3099454279) / 324695.9043973844 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 arm64
OS ubuntu 20.04
Queue AmpereUbuntu
Baseline dd715a0747ebeb85a234c8abec7e01bb6652c8ce
Compare 9bcf52342b5a6573ecd2c81fbfd541df0ebc42f4
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in System.Text.Json.Serialization.Tests.WriteJson<ImmutableSortedDictionary<String, String>>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
SerializeToStream - Duration of single invocation 12.33 μs 9.07 μs 0.74 0.01 False
SerializeObjectProperty - Duration of single invocation 13.83 μs 10.94 μs 0.79 0.01 False
SerializeToString - Duration of single invocation 13.57 μs 10.40 μs 0.77 0.01 False
SerializeToUtf8Bytes - Duration of single invocation 12.57 μs 9.47 μs 0.75 0.01 False

graph
graph
graph
graph
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.Text.Json.Serialization.Tests.WriteJson&lt;ImmutableSortedDictionary&lt;String, String&gt;&gt;*'

Payloads

Baseline
Compare

Histogram

System.Text.Json.Serialization.Tests.WriteJson<ImmutableSortedDictionary<String, String>>.SerializeToStream(Mode: SourceGen)

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 9.0749426421092 < 11.636658505963055.
IsChangePoint: Marked as a change because one of 2/6/2023 2:52:08 AM, 5/19/2023 4:22:12 AM, 5/26/2023 9:55:14 AM, 6/8/2023 5:31:08 AM, 6/14/2023 3:35:53 PM falls between 6/5/2023 10:09:45 PM and 6/14/2023 3:35:53 PM.
IsImprovementStdDev: Marked as improvement because 36.26766042954188 (T) = (0 -9105.045334949826) / Math.Sqrt((408729.0412888315 / (299)) + (2364.1390573408576 / (13))) is greater than 1.9676459287777595 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (13) - 2, .975) and 0.13551804960119695 = (10532.371821932758 - 9105.045334949826) / 10532.371821932758 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

JIT Disasms

System.Text.Json.Serialization.Tests.WriteJson<ImmutableSortedDictionary<String, String>>.SerializeObjectProperty(Mode: SourceGen)

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 10.941806615621104 < 13.102372225949573.
IsChangePoint: Marked as a change because one of 2/6/2023 2:52:08 AM, 5/19/2023 4:22:12 AM, 5/26/2023 9:55:14 AM, 6/8/2023 5:31:08 AM, 6/14/2023 3:35:53 PM falls between 6/5/2023 10:09:45 PM and 6/14/2023 3:35:53 PM.
IsImprovementStdDev: Marked as improvement because 36.388864124279024 (T) = (0 -10722.208238835046) / Math.Sqrt((365222.89189471374 / (299)) + (6969.1468572898 / (13))) is greater than 1.9676459287777595 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (13) - 2, .975) and 0.12455706175478624 = (12247.752275353587 - 10722.208238835046) / 12247.752275353587 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

JIT Disasms

System.Text.Json.Serialization.Tests.WriteJson<ImmutableSortedDictionary<String, String>>.SerializeToString(Mode: SourceGen)

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 10.40034657797382 < 12.771941248801179.
IsChangePoint: Marked as a change because one of 2/6/2023 2:52:08 AM, 5/19/2023 4:22:12 AM, 5/26/2023 9:55:14 AM, 6/8/2023 5:31:08 AM, 6/14/2023 3:35:53 PM falls between 6/5/2023 10:09:45 PM and 6/14/2023 3:35:53 PM.
IsImprovementStdDev: Marked as improvement because 37.09606840730286 (T) = (0 -10395.397327668414) / Math.Sqrt((403247.32958156697 / (299)) + (2424.3441914015257 / (13))) is greater than 1.9676459287777595 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (13) - 2, .975) and 0.12266642709452832 = (11848.853900850852 - 10395.397327668414) / 11848.853900850852 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

JIT Disasms

System.Text.Json.Serialization.Tests.WriteJson<ImmutableSortedDictionary<String, String>>.SerializeToUtf8Bytes(Mode: SourceGen)

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 9.465495270401975 < 12.016999103990953.
IsChangePoint: Marked as a change because one of 2/6/2023 2:52:08 AM, 5/19/2023 4:22:12 AM, 5/26/2023 9:55:14 AM, 6/8/2023 5:31:08 AM, 6/14/2023 3:35:53 PM falls between 6/5/2023 10:09:45 PM and 6/14/2023 3:35:53 PM.
IsImprovementStdDev: Marked as improvement because 35.882388356845425 (T) = (0 -9435.455605548232) / Math.Sqrt((409328.8575710872 / (299)) + (2475.925459410202 / (13))) is greater than 1.9676459287777595 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (13) - 2, .975) and 0.13056875108553007 = (10852.445914876982 - 9435.455605548232) / 10852.445914876982 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 arm64
OS ubuntu 20.04
Queue AmpereUbuntu
Baseline dd715a0747ebeb85a234c8abec7e01bb6652c8ce
Compare 9bcf52342b5a6573ecd2c81fbfd541df0ebc42f4
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 Baseline ETL Compare ETL
IndexOf_Word_NotFound - Duration of single invocation 618.56 ns 548.62 ns 0.89 0.02 False
IndexOf_Word_NotFound - Duration of single invocation 618.89 ns 549.02 ns 0.89 0.02 False

graph
graph
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.Globalization.Tests.StringSearch*'

Payloads

Baseline
Compare

Histogram

System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options: (en-US, IgnoreNonSpace, False))

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 548.6197347296513 < 587.3631062203667.
IsChangePoint: Marked as a change because one of 4/25/2023 6:46:56 PM, 5/26/2023 9:55:14 AM, 6/8/2023 5:31:08 AM, 6/14/2023 3:35:53 PM falls between 6/5/2023 10:09:45 PM and 6/14/2023 3:35:53 PM.
IsImprovementStdDev: Marked as improvement because 30.559061510018207 (T) = (0 -549.6405354002266) / Math.Sqrt((1060.3095353156236 / (299)) + (0.8273679815317531 / (13))) is greater than 1.9676459287777595 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (13) - 2, .975) and 0.09554173644245924 = (607.7013805350223 - 549.6405354002266) / 607.7013805350223 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

JIT Disasms

System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options: (, None, False))

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 549.0212016689187 < 587.7964770619454.
IsChangePoint: Marked as a change because one of 4/25/2023 6:46:56 PM, 5/26/2023 9:55:14 AM, 6/8/2023 5:31:08 AM, 6/14/2023 3:35:53 PM falls between 6/5/2023 10:09:45 PM and 6/14/2023 3:35:53 PM.
IsImprovementStdDev: Marked as improvement because 30.888225548947887 (T) = (0 -549.4769001663285) / Math.Sqrt((1058.444992231972 / (299)) + (0.16789922904265417 / (13))) is greater than 1.9676459287777595 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (13) - 2, .975) and 0.09580635780618979 = (607.698256795031 - 549.4769001663285) / 607.698256795031 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 arm64
OS ubuntu 20.04
Queue AmpereUbuntu
Baseline dd715a0747ebeb85a234c8abec7e01bb6652c8ce
Compare 9bcf52342b5a6573ecd2c81fbfd541df0ebc42f4
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in System.Tests.Perf_Uri

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
EscapeDataString - Duration of single invocation 12.45 μs 8.18 μs 0.66 0.01 False

graph
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_Uri*'

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_Uri.EscapeDataString(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 8.179815109767024 < 11.825747787144888.
IsChangePoint: Marked as a change because one of 5/26/2023 9:55:14 AM, 6/8/2023 5:31:08 AM, 6/14/2023 3:35:53 PM falls between 6/5/2023 10:09:45 PM and 6/14/2023 3:35:53 PM.
IsImprovementStdDev: Marked as improvement because 15.701824068635535 (T) = (0 -8161.327866216337) / Math.Sqrt((1065012.4420829648 / (299)) + (707.6763391544182 / (13))) is greater than 1.9676459287777595 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (13) - 2, .975) and 0.10369983300568789 = (9105.574412180298 - 8161.327866216337) / 9105.574412180298 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 arm64
OS ubuntu 20.04
Queue AmpereUbuntu
Baseline dd715a0747ebeb85a234c8abec7e01bb6652c8ce
Compare 9bcf52342b5a6573ecd2c81fbfd541df0ebc42f4
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
IndexOfString - Duration of single invocation 44.22 ns 39.27 ns 0.89 0.01 False

graph
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.IndexOfString(input: "foobardzsdzs", value: "rddzs", comparisonType: InvariantCulture)

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 39.26792438326431 < 41.841589675590946.
IsChangePoint: Marked as a change because one of 3/16/2023 8:14:39 PM, 4/25/2023 6:46:56 PM, 5/19/2023 4:22:12 AM, 5/26/2023 9:55:14 AM, 6/8/2023 5:31:08 AM, 6/14/2023 3:35:53 PM falls between 6/5/2023 10:09:45 PM and 6/14/2023 3:35:53 PM.
IsImprovementStdDev: Marked as improvement because 47.79837615998982 (T) = (0 -39.31929659468528) / Math.Sqrt((4.604129656783913 / (299)) + (0.0010996282132218328 / (13))) is greater than 1.9676459287777595 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (13) - 2, .975) and 0.13138938628778332 = (45.26688480888438 - 39.31929659468528) / 45.26688480888438 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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ampere arch-arm64 branch-refs/heads/main kind-micro os-linux perf-improvement PGO Applied if there were any profile guided optimization updates in the observed interval. runtime-coreclr untriaged
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