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[Perf] Changes at 7/6/2022 9:44:27 PM #6724

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performanceautofiler bot opened this issue Jul 12, 2022 · 3 comments
Closed

[Perf] Changes at 7/6/2022 9:44:27 PM #6724

performanceautofiler bot opened this issue Jul 12, 2022 · 3 comments
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arch-x64 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

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performanceautofiler bot commented Jul 12, 2022 •
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Run Information

Architecture x64
OS ubuntu 18.04
Baseline 465fbeda31f8c55ea91f8d8c3d851a42876fa3ad
Compare 82e985c738a7207e7de99fb3202c687da9f1e264
Diff Diff

Improvements in System.IO.Tests.Perf_FileStream

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
SeekForward - Duration of single invocation 12.01 μs 11.11 μs 0.93 0.01 False

graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.IO.Tests.Perf_FileStream*'

Payloads

Baseline
Compare

Histogram

System.IO.Tests.Perf_FileStream.SeekForward(fileSize: 1024, options: Asynchronous)

Description of detection logic

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 11.11057161590632 < 11.399413646093132.
IsChangePoint: Marked as a change because one of 6/23/2022 6:26:05 AM, 7/6/2022 7:05:00 PM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 40.822168110195484 (T) = (0 -11168.883061470604) / Math.Sqrt((21233.391123275425 / (299)) + (22326.091220585353 / (38))) is greater than 1.967070609662329 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (38) - 2, .975) and 0.08575169051095424 = (12216.465642373087 - 11168.883061470604) / 12216.465642373087 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
Architecture x64
OS ubuntu 18.04
Baseline 465fbeda31f8c55ea91f8d8c3d851a42876fa3ad
Compare 82e985c738a7207e7de99fb3202c687da9f1e264
Diff Diff

Improvements in System.Text.Tests.Perf_StringBuilder

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
Append_Char - Duration of single invocation 160.58 μs 117.75 μs 0.73 0.00 False
Append_Char - Duration of single invocation 233.86 ns 182.09 ns 0.78 0.01 False
Append_Memory - Duration of single invocation 553.41 ns 328.70 ns 0.59 0.01 False

graph
graph
graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Tests.Perf_StringBuilder*'

Payloads

Baseline
Compare

Histogram

System.Text.Tests.Perf_StringBuilder.Append_Char(length: 100000)

Description of detection logic

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 117.74505993348757 < 152.13451127363155.
IsChangePoint: Marked as a change because one of 7/6/2022 7:05:00 PM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 765.83331603608 (T) = (0 -118204.92239907908) / Math.Sqrt((150006.4846882682 / (299)) + (95966.00292130139 / (38))) is greater than 1.967070609662329 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (38) - 2, .975) and 0.26278801059774354 = (160340.47749945245 - 118204.92239907908) / 160340.47749945245 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Tests.Perf_StringBuilder.Append_Char(length: 100)

```log

Description of detection logic

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 182.0864003954105 < 221.32100352445403.
IsChangePoint: Marked as a change because one of 7/6/2022 7:05:00 PM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 139.16715269413695 (T) = (0 -184.01539852240512) / Math.Sqrt((9.948816474339912 / (299)) + (3.7848643311581025 / (37))) is greater than 1.9670919629190173 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (37) - 2, .975) and 0.21780781718521225 = (235.2559927922182 - 184.01539852240512) / 235.2559927922182 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Tests.Perf_StringBuilder.Append_Memory

```log

Description of detection logic

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 328.7044878449023 < 420.1717396249481.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 6.433767800796741 (T) = (0 -329.44378346129224) / Math.Sqrt((2541.1772690299367 / (299)) + (14.993225261930146 / (41))) is greater than 1.9670073106672175 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (41) - 2, .975) and 0.054950113498749016 = (348.59935773438787 - 329.44378346129224) / 348.59935773438787 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

Architecture x64
OS ubuntu 18.04
Baseline 465fbeda31f8c55ea91f8d8c3d851a42876fa3ad
Compare 82e985c738a7207e7de99fb3202c687da9f1e264
Diff Diff

Improvements in System.Collections.CreateAddAndClear<String>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
Stack - Duration of single invocation 2.65 μs 2.40 μs 0.91 0.18 False

graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.CreateAddAndClear&lt;String&gt;*'

Payloads

Baseline
Compare

Histogram

System.Collections.CreateAddAndClear<String>.Stack(Size: 512)

Description of detection logic

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 2.403165819554927 < 2.5276646655385475.
IsChangePoint: Marked as a change because one of 7/6/2022 7:05:00 PM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 28.590168536392362 (T) = (0 -2274.7400974703523) / Math.Sqrt((6566.614255074451 / (299)) + (5068.193660298176 / (38))) is greater than 1.967070609662329 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (38) - 2, .975) and 0.13543147981453438 = (2631.0697699036964 - 2274.7400974703523) / 2631.0697699036964 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

Architecture x64
OS ubuntu 18.04
Baseline 465fbeda31f8c55ea91f8d8c3d851a42876fa3ad
Compare 82e985c738a7207e7de99fb3202c687da9f1e264
Diff Diff

Improvements in PerfLabTests.LowLevelPerf

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
SealedClassInterfaceMethod - Duration of single invocation 130.38 μs 108.71 μs 0.83 0.03 False
InterfaceInterfaceMethod - Duration of single invocation 2.50 ms 2.28 ms 0.91 0.04 False
InterfaceInterfaceMethodLongHierarchy - Duration of single invocation 282.95 μs 239.30 μs 0.85 0.03 False

graph
graph
graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'PerfLabTests.LowLevelPerf*'

Payloads

Baseline
Compare

Histogram

PerfLabTests.LowLevelPerf.SealedClassInterfaceMethod

Description of detection logic

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 108.71453761574074 < 123.8845084674479.
IsChangePoint: Marked as a change because one of 6/13/2022 2:27:15 PM, 6/20/2022 2:50:37 PM, 6/23/2022 8:35:19 AM, 7/6/2022 7:05:00 PM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 7.3559742763897935 (T) = (0 -109876.65161215085) / Math.Sqrt((111524883.6748882 / (299)) + (21906904.3695143 / (37))) is greater than 1.9670919629190173 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (37) - 2, .975) and 0.06170947388700938 = (117103.01719375914 - 109876.65161215085) / 117103.01719375914 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### PerfLabTests.LowLevelPerf.InterfaceInterfaceMethod

```log

Description of detection logic

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 2.284465898065476 < 2.3770358476202875.
IsChangePoint: Marked as a change because one of 5/20/2022 10:18:01 PM, 5/25/2022 1:42:32 AM, 5/31/2022 6:06:22 PM, 6/6/2022 10:12:27 PM, 6/20/2022 2:50:37 PM, 6/23/2022 8:35:19 AM, 7/6/2022 7:05:00 PM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 16.186521032247327 (T) = (0 -2293905.293480646) / Math.Sqrt((9546139070.615995 / (299)) + (1685532223.4179733 / (38))) is greater than 1.967070609662329 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (38) - 2, .975) and 0.058052207698398944 = (2435278.5921134823 - 2293905.293480646) / 2435278.5921134823 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### PerfLabTests.LowLevelPerf.InterfaceInterfaceMethodLongHierarchy

```log

Description of detection logic

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 239.2978056006493 < 268.7490029482887.
IsChangePoint: Marked as a change because one of 6/13/2022 2:27:15 PM, 6/21/2022 5:13:43 PM, 7/7/2022 8:07:51 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 16.41665578025525 (T) = (0 -240629.57524737995) / Math.Sqrt((242183314.27970052 / (299)) + (58639549.20191952 / (33))) is greater than 1.9671786747533526 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (33) - 2, .975) and 0.09888051413118161 = (267034.03823897545 - 240629.57524737995) / 267034.03823897545 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

Architecture x64
OS ubuntu 18.04
Baseline 465fbeda31f8c55ea91f8d8c3d851a42876fa3ad
Compare 82e985c738a7207e7de99fb3202c687da9f1e264
Diff Diff

Improvements in Benchstone.BenchI.BenchE

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
Test - Duration of single invocation 374.94 ms 275.91 ms 0.74 0.04 False

graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'Benchstone.BenchI.BenchE*'

Payloads

Baseline
Compare

Histogram

Benchstone.BenchI.BenchE.Test

Description of detection logic

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 275.91396938461537 < 353.02879399166665.
IsChangePoint: Marked as a change because one of 5/9/2022 11:56:12 AM, 5/20/2022 10:18:01 PM, 5/25/2022 1:42:32 AM, 6/6/2022 10:12:27 PM, 6/13/2022 2:27:15 PM, 6/20/2022 2:50:37 PM, 6/23/2022 8:35:19 AM, 7/6/2022 7:05:00 PM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 16.41709383922983 (T) = (0 -291540675.8592119) / Math.Sqrt((1311101887872686.8 / (299)) + (247088672203800.25 / (37))) is greater than 1.9670919629190173 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (37) - 2, .975) and 0.15775177108652078 = (346145786.7774997 - 291540675.8592119) / 346145786.7774997 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

Architecture x64
OS ubuntu 18.04
Baseline 465fbeda31f8c55ea91f8d8c3d851a42876fa3ad
Compare 82e985c738a7207e7de99fb3202c687da9f1e264
Diff Diff

Improvements in System.Numerics.Tests.Perf_BitOperations

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
PopCount_ulong - Duration of single invocation 440.14 ns 317.78 ns 0.72 0.01 False
PopCount_uint - Duration of single invocation 440.07 ns 318.28 ns 0.72 0.01 False

graph
graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Numerics.Tests.Perf_BitOperations*'

Payloads

Baseline
Compare

Histogram

System.Numerics.Tests.Perf_BitOperations.PopCount_ulong

Description of detection logic

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 317.7808048250558 < 418.3458188894119.
IsChangePoint: Marked as a change because one of 6/27/2022 8:54:23 AM, 7/6/2022 7:05:00 PM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 8.276258353019006 (T) = (0 -318.8917515767228) / Math.Sqrt((2295.2905116017114 / (299)) + (0.5336953577042596 / (38))) is greater than 1.967070609662329 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (38) - 2, .975) and 0.06714087138361877 = (341.8434164327724 - 318.8917515767228) / 341.8434164327724 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Numerics.Tests.Perf_BitOperations.PopCount_uint

```log

Description of detection logic

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 318.28197652038523 < 418.12701409781465.
IsChangePoint: Marked as a change because one of 6/27/2022 8:54:23 AM, 7/6/2022 7:05:00 PM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 8.279721070712766 (T) = (0 -318.8401443774598) / Math.Sqrt((2293.271321725707 / (299)) + (0.49289119134224024 / (38))) is greater than 1.967070609662329 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (38) - 2, .975) and 0.06714532017427616 = (341.789724887295 - 318.8401443774598) / 341.789724887295 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

Architecture x64
OS ubuntu 18.04
Baseline 465fbeda31f8c55ea91f8d8c3d851a42876fa3ad
Compare 82e985c738a7207e7de99fb3202c687da9f1e264
Diff Diff

Improvements in System.Collections.IndexerSet<String>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
Array - Duration of single invocation 226.99 ns 170.99 ns 0.75 0.01 False
IList - Duration of single invocation 2.64 μs 2.38 μs 0.90 0.03 False

graph
graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.IndexerSet&lt;String&gt;*'

Payloads

Baseline
Compare

Histogram

System.Collections.IndexerSet<String>.Array(Size: 512)

Description of detection logic

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 170.99125445247157 < 215.49300803719822.
IsChangePoint: Marked as a change because one of 5/11/2022 7:02:26 PM, 6/2/2022 5:58:32 PM, 7/6/2022 7:05:00 PM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 13.384751260479934 (T) = (0 -171.0989798942941) / Math.Sqrt((1499.0646678687262 / (299)) + (0.033686860768972246 / (38))) is greater than 1.967070609662329 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (38) - 2, .975) and 0.14906399801672984 = (201.0715018468075 - 171.0989798942941) / 201.0715018468075 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.IndexerSet&lt;String&gt;.IList(Size: 512)

```log

Description of detection logic

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 2.378450625065889 < 2.5046919063425808.
IsChangePoint: Marked as a change because one of 7/10/2022 1:04:01 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 35.538651866745425 (T) = (0 -2385.7856541746523) / Math.Sqrt((1500.0002747116635 / (299)) + (420.65114738135577 / (13))) is greater than 1.9676459287777595 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (13) - 2, .975) and 0.0834653348573381 = (2603.050102642104 - 2385.7856541746523) / 2603.050102642104 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

Architecture x64
OS ubuntu 18.04
Baseline 465fbeda31f8c55ea91f8d8c3d851a42876fa3ad
Compare 82e985c738a7207e7de99fb3202c687da9f1e264
Diff Diff

Improvements in PerfLabTests.CastingPerf2.CastingPerf

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
FooObjCastIfIsa - Duration of single invocation 260.95 μs 239.83 μs 0.92 0.13 False
ObjInt - Duration of single invocation 535.65 μs 463.10 μs 0.86 0.30 False
FooObjIsDescendant - Duration of single invocation 435.46 μs 380.45 μs 0.87 0.05 False

graph
graph
graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'PerfLabTests.CastingPerf2.CastingPerf*'

Payloads

Baseline
Compare

Histogram

PerfLabTests.CastingPerf2.CastingPerf.FooObjCastIfIsa

Description of detection logic

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 239.8334334478022 < 247.95044663103818.
IsChangePoint: Marked as a change because one of 5/12/2022 3:44:01 PM, 5/31/2022 6:06:22 PM, 6/6/2022 10:12:27 PM, 6/20/2022 2:50:37 PM, 6/23/2022 8:35:19 AM, 7/6/2022 7:05:00 PM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 19.700880876045776 (T) = (0 -241372.49993127593) / Math.Sqrt((95570291.77993011 / (299)) + (11752365.64966839 / (38))) is greater than 1.967070609662329 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (38) - 2, .975) and 0.06079279275421537 = (256996.0047890798 - 241372.49993127593) / 256996.0047890798 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### PerfLabTests.CastingPerf2.CastingPerf.ObjInt

```log

Description of detection logic

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 463.09978174019614 < 498.5826856780433.
IsChangePoint: Marked as a change because one of 6/14/2022 2:27:40 PM, 7/2/2022 3:19:52 AM, 7/6/2022 12:32:56 PM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 9.383141111497725 (T) = (0 -467170.04340563144) / Math.Sqrt((857903316.3835664 / (299)) + (387093841.2374514 / (39))) is greater than 1.9670493839589689 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (39) - 2, .975) and 0.06702815661791492 = (500733.2715552368 - 467170.04340563144) / 500733.2715552368 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### PerfLabTests.CastingPerf2.CastingPerf.FooObjIsDescendant

```log

Description of detection logic

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 380.4511752976191 < 413.5430448412698.
IsChangePoint: Marked as a change because one of 5/30/2022 12:57:05 PM, 6/14/2022 6:55:13 PM, 7/6/2022 7:05:00 PM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 10.624140820950064 (T) = (0 -379237.36195956956) / Math.Sqrt((1008398972.6691182 / (299)) + (33395668.250058807 / (38))) is greater than 1.967070609662329 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (38) - 2, .975) and 0.054608547158842294 = (401143.2098522347 - 379237.36195956956) / 401143.2098522347 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

Architecture x64
OS ubuntu 18.04
Baseline 465fbeda31f8c55ea91f8d8c3d851a42876fa3ad
Compare 82e985c738a7207e7de99fb3202c687da9f1e264
Diff Diff

Improvements in System.Numerics.Tests.Perf_VectorOf<SByte>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
GetHashCodeBenchmark - Duration of single invocation 82.30 ns 73.50 ns 0.89 0.03 False

graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Numerics.Tests.Perf_VectorOf&lt;SByte&gt;*'

Payloads

Baseline
Compare

Histogram

System.Numerics.Tests.Perf_VectorOf<SByte>.GetHashCodeBenchmark

Description of detection logic

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 73.49768801253698 < 78.27529883443617.
IsChangePoint: Marked as a change because one of 5/11/2022 11:37:12 AM, 5/20/2022 10:18:01 PM, 5/25/2022 1:42:32 AM, 6/6/2022 10:12:27 PM, 6/20/2022 2:50:37 PM, 6/23/2022 8:35:19 AM, 7/6/2022 7:05:00 PM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 13.125349536005594 (T) = (0 -74.0549705380279) / Math.Sqrt((18.774843044630668 / (299)) + (3.609421605286926 / (38))) is greater than 1.967070609662329 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (38) - 2, .975) and 0.06577061345443873 = (79.268509002758 - 74.0549705380279) / 79.268509002758 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

Architecture x64
OS ubuntu 18.04
Baseline 465fbeda31f8c55ea91f8d8c3d851a42876fa3ad
Compare 82e985c738a7207e7de99fb3202c687da9f1e264
Diff Diff

Improvements in System.Tests.Perf_Random

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ctor_seeded - Duration of single invocation 290.81 ns 266.91 ns 0.92 0.03 False
NextBytes_span_unseeded - Duration of single invocation 1.01 μs 143.13 ns 0.14 0.06 False
NextBytes_unseeded - Duration of single invocation 1.01 μs 143.53 ns 0.14 0.07 False

graph
graph
graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Tests.Perf_Random*'

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_Random.ctor_seeded

Description of detection logic

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 266.90872926158517 < 275.07836580795987.
IsChangePoint: Marked as a change because one of 5/20/2022 10:18:01 PM, 5/25/2022 1:42:32 AM, 5/31/2022 6:06:22 PM, 6/6/2022 10:12:27 PM, 6/20/2022 2:50:37 PM, 6/23/2022 8:35:19 AM, 7/6/2022 7:05:00 PM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 18.15081088811985 (T) = (0 -268.53898497788555) / Math.Sqrt((101.91142146650613 / (299)) + (14.083186156826718 / (37))) is greater than 1.9670919629190173 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (37) - 2, .975) and 0.054294164222885036 = (283.9561466354059 - 268.53898497788555) / 283.9561466354059 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Tests.Perf_Random.NextBytes_span_unseeded

```log

Description of detection logic

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 143.1332801392157 < 534.3059725279194.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 5.413501947434894 (T) = (0 -144.9943482102273) / Math.Sqrt((34180.94978231549 / (299)) + (47.880553673946494 / (42))) is greater than 1.9669864608404333 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (42) - 2, .975) and 0.28631542313223785 = (203.16306798527486 - 144.9943482102273) / 203.16306798527486 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Tests.Perf_Random.NextBytes_unseeded

```log

Description of detection logic

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 143.52797275075255 < 535.6564092413189.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 5.394290228195334 (T) = (0 -145.4562321710188) / Math.Sqrt((35049.61975981022 / (299)) + (48.28042532105877 / (42))) is greater than 1.9669864608404333 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (42) - 2, .975) and 0.2874877914833612 = (204.14559979798867 - 145.4562321710188) / 204.14559979798867 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

@performanceautofiler
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Run Information

Architecture x64
OS ubuntu 18.04
Baseline 465fbeda31f8c55ea91f8d8c3d851a42876fa3ad
Compare 82e985c738a7207e7de99fb3202c687da9f1e264
Diff Diff

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
LastIndexOf_Word_NotFound - Duration of single invocation 610.37 ns 540.47 ns 0.89 0.04 False
IsSuffix_DifferentLastChar - Duration of single invocation 47.17 ns 7.61 ns 0.16 0.08 False
IsSuffix_DifferentLastChar - Duration of single invocation 47.33 ns 7.63 ns 0.16 0.09 False
LastIndexOf_Word_NotFound - Duration of single invocation 40.29 ns 20.02 ns 0.50 0.14 False
IndexOf_Word_NotFound - Duration of single invocation 1.88 μs 753.25 ns 0.40 0.03 False
IsSuffix_DifferentLastChar - Duration of single invocation 130.56 ns 103.41 ns 0.79 0.04 False
IsPrefix_DifferentFirstChar - Duration of single invocation 27.18 ns 5.70 ns 0.21 0.07 False
IsPrefix_DifferentFirstChar - Duration of single invocation 46.78 ns 8.22 ns 0.18 0.18 False
IsSuffix_SecondHalf - Duration of single invocation 1.40 μs 181.10 ns 0.13 0.01 False
IsSuffix_SecondHalf - Duration of single invocation 75.98 ns 54.36 ns 0.72 0.04 False
LastIndexOf_Word_NotFound - Duration of single invocation 1.71 μs 303.84 ns 0.18 0.04 False
LastIndexOf_Word_NotFound - Duration of single invocation 1.61 μs 303.85 ns 0.19 0.03 False
IsSuffix_SecondHalf - Duration of single invocation 1.48 μs 182.15 ns 0.12 0.03 False
IsPrefix_DifferentFirstChar - Duration of single invocation 46.07 ns 7.90 ns 0.17 0.04 False
IndexOf_Word_NotFound - Duration of single invocation 1.63 μs 312.72 ns 0.19 0.03 False
IsSuffix_DifferentLastChar - Duration of single invocation 45.60 ns 6.65 ns 0.15 0.09 False
IsPrefix_DifferentFirstChar - Duration of single invocation 46.60 ns 7.76 ns 0.17 0.04 False
IsSuffix_SecondHalf - Duration of single invocation 1.48 μs 182.04 ns 0.12 0.03 False
IsPrefix_FirstHalf - Duration of single invocation 1.48 μs 206.04 ns 0.14 0.01 False
IsPrefix_FirstHalf - Duration of single invocation 1.40 μs 157.48 ns 0.11 0.01 False
IsPrefix_DifferentFirstChar - Duration of single invocation 47.60 ns 7.60 ns 0.16 0.23 False
IsPrefix_FirstHalf - Duration of single invocation 1.48 μs 206.41 ns 0.14 0.01 False
IsSuffix_DifferentLastChar - Duration of single invocation 45.52 ns 6.69 ns 0.15 0.07 False
IsPrefix_DifferentFirstChar - Duration of single invocation 46.02 ns 7.75 ns 0.17 0.03 False
IsPrefix_FirstHalf - Duration of single invocation 75.27 ns 54.04 ns 0.72 0.04 False
IndexOf_Word_NotFound - Duration of single invocation 1.61 μs 312.65 ns 0.19 0.03 False
IsSuffix_SecondHalf - Duration of single invocation 1.40 μs 180.78 ns 0.13 0.01 False
IsSuffix_SecondHalf - Duration of single invocation 1.40 μs 180.95 ns 0.13 0.01 False
IndexOf_Word_NotFound - Duration of single invocation 1.71 μs 312.05 ns 0.18 0.05 False
IsPrefix_FirstHalf - Duration of single invocation 1.45 μs 157.63 ns 0.11 0.02 False
IndexOf_Word_NotFound - Duration of single invocation 1.88 μs 749.75 ns 0.40 0.03 False
IsSuffix_DifferentLastChar - Duration of single invocation 45.80 ns 7.71 ns 0.17 0.09 False
LastIndexOf_Word_NotFound - Duration of single invocation 1.61 μs 303.65 ns 0.19 0.03 False
IsPrefix_FirstHalf - Duration of single invocation 1.45 μs 157.41 ns 0.11 0.01 False

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Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Globalization.Tests.StringSearch*'

Payloads

Baseline
Compare

Histogram

System.Globalization.Tests.StringSearch.LastIndexOf_Word_NotFound(Options: (en-US, OrdinalIgnoreCase, False))

Description of detection logic

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 540.4717394313221 < 570.4953081317562.
IsChangePoint: Marked as a change because one of 5/31/2022 6:06:22 PM, 6/6/2022 10:12:27 PM, 7/6/2022 7:05:00 PM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 21.787300075989712 (T) = (0 -542.1004085350617) / Math.Sqrt((870.6565868468795 / (299)) + (64.80406291869525 / (38))) is greater than 1.967070609662329 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (38) - 2, .975) and 0.07949540771267201 = (588.9165714947889 - 542.1004085350617) / 588.9165714947889 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.IsSuffix_DifferentLastChar(Options: (, IgnoreCase, False))

```log

Description of detection logic

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 7.61358870401806 < 26.36169961044304.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 4.2473827239126685 (T) = (0 -7.64662781472417) / Math.Sqrt((79.69439372475222 / (299)) + (0.006878499904270848 / (42))) is greater than 1.9669864608404333 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (42) - 2, .975) and 0.22291195014753126 = (9.84010475540821 - 7.64662781472417) / 9.84010475540821 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.IsSuffix_DifferentLastChar(Options: (en-US, IgnoreCase, False))

```log

Description of detection logic

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 7.630792701059526 < 26.163959453500034.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 4.173070723416196 (T) = (0 -7.690840620332783) / Math.Sqrt((81.76636681876178 / (299)) + (0.01782181601108725 / (42))) is greater than 1.9669864608404333 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (42) - 2, .975) and 0.22116477380929875 = (9.874798110954533 - 7.690840620332783) / 9.874798110954533 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.LastIndexOf_Word_NotFound(Options: (en-US, Ordinal, False))

```log

Description of detection logic

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 20.0241410713886 < 29.196152314114702.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 2.730795236708022 (T) = (0 -20.635044578901777) / Math.Sqrt((23.52290221363047 / (299)) + (3.654220330383733 / (42))) is greater than 1.9669864608404333 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (42) - 2, .975) and 0.051112795665035 = (21.74657270604045 - 20.635044578901777) / 21.74657270604045 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options: (en-US, IgnoreCase, False))

```log

Description of detection logic

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 753.2464355098749 < 1.2600692355462553.
IsChangePoint: Marked as a change because one of 5/30/2022 12:57:05 PM, 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 2.6002304678274712 (T) = (0 -753.396862527322) / Math.Sqrt((74318.73968759677 / (299)) + (31.905241727517833 / (42))) is greater than 1.9669864608404333 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (42) - 2, .975) and 0.05167962235690214 = (794.4539422423593 - 753.396862527322) / 794.4539422423593 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.IsSuffix_DifferentLastChar(Options: (en-US, OrdinalIgnoreCase, False))

```log

Description of detection logic

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 103.41223544795535 < 111.82114981045875.
IsChangePoint: Marked as a change because one of 5/9/2022 11:56:12 AM, 5/20/2022 10:18:01 PM, 6/6/2022 10:12:27 PM, 7/2/2022 10:25:38 PM, 7/6/2022 7:05:00 PM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 8.620468666578358 (T) = (0 -103.61969696024802) / Math.Sqrt((78.40023200096972 / (299)) + (14.843931452256179 / (38))) is greater than 1.967070609662329 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (38) - 2, .975) and 0.06298508858139705 = (110.5848964595152 - 103.61969696024802) / 110.5848964595152 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.IsPrefix_DifferentFirstChar(Options: (en-US, Ordinal, False))

```log

Description of detection logic

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 5.704907236459446 < 16.05703794944316.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 3.868160310434192 (T) = (0 -5.758920445368882) / Math.Sqrt((24.137521568239897 / (299)) + (0.04379530780429758 / (42))) is greater than 1.9669864608404333 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (42) - 2, .975) and 0.161123552540483 = (6.865040093579215 - 5.758920445368882) / 6.865040093579215 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.IsPrefix_DifferentFirstChar(Options: (en-US, IgnoreCase, False))

```log

Description of detection logic

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 8.217176729043242 < 26.106743752681854.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 4.1257353962882535 (T) = (0 -7.680951863216535) / Math.Sqrt((78.44675927469419 / (299)) + (0.09076629453297974 / (42))) is greater than 1.9669864608404333 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (42) - 2, .975) and 0.21646120309935107 = (9.802899222858091 - 7.680951863216535) / 9.802899222858091 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.IsSuffix_SecondHalf(Options: (en-US, None, False))

```log

Description of detection logic

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 181.098848080494 < 752.7522331112989.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 4.117296417242841 (T) = (0 -180.93258726389502) / Math.Sqrt((76014.03518835947 / (299)) + (0.10719507383027091 / (42))) is greater than 1.9669864608404333 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (42) - 2, .975) and 0.2662352988864451 = (246.5812091932377 - 180.93258726389502) / 246.5812091932377 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.IsSuffix_SecondHalf(Options: (en-US, OrdinalIgnoreCase, False))

```log

Description of detection logic

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 54.356953559367746 < 64.6131164960284.
IsChangePoint: Marked as a change because one of 5/9/2022 5:23:46 PM, 5/20/2022 10:18:01 PM, 6/6/2022 10:12:27 PM, 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 5.8286228085535114 (T) = (0 -55.00710495774232) / Math.Sqrt((33.264675465459064 / (299)) + (7.045347410354316 / (42))) is greater than 1.9669864608404333 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (42) - 2, .975) and 0.05300265299188195 = (58.08580682039733 - 55.00710495774232) / 58.08580682039733 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.LastIndexOf_Word_NotFound(Options: (, None, False))

```log

Description of detection logic

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 303.836350116951 < 909.6910945850983.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 4.366720661446889 (T) = (0 -303.95198978711414) / Math.Sqrt((90458.14094768875 / (299)) + (0.07026782317216446 / (42))) is greater than 1.9669864608404333 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (42) - 2, .975) and 0.19992627121765538 = (379.9049748198925 - 303.95198978711414) / 379.9049748198925 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.LastIndexOf_Word_NotFound(Options: (en-US, IgnoreNonSpace, False))

```log

Description of detection logic

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 303.85351458816467 < 908.1700827810662.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 4.28005405349077 (T) = (0 -304.0094675014999) / Math.Sqrt((102601.1245888268 / (299)) + (0.05952537420695923 / (42))) is greater than 1.9669864608404333 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (42) - 2, .975) and 0.20685125105743052 = (383.2943920126043 - 304.0094675014999) / 383.2943920126043 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.IsSuffix_SecondHalf(Options: (en-US, IgnoreCase, False))

```log

Description of detection logic

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 182.1470750074531 < 799.0761704977136.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 5.059943373304084 (T) = (0 -183.79768336732607) / Math.Sqrt((80463.98994666676 / (299)) + (37.234027424894194 / (42))) is greater than 1.9669864608404333 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (42) - 2, .975) and 0.3114658639109554 = (266.9405534652482 - 183.79768336732607) / 266.9405534652482 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.IsPrefix_DifferentFirstChar(Options: (, None, False))

```log

Description of detection logic

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 7.897588450735577 < 25.632953346287746.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 5.45477883090488 (T) = (0 -7.829393717705786) / Math.Sqrt((71.88022900480613 / (299)) + (0.028746372394957025 / (41))) is greater than 1.9670073106672175 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (41) - 2, .975) and 0.2548979270329009 = (10.507813629517981 - 7.829393717705786) / 10.507813629517981 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

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

```log

Description of detection logic

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 312.72149459978516 < 912.5591854555748.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 4.265916744312667 (T) = (0 -312.679057938222) / Math.Sqrt((87999.55369274705 / (299)) + (2.096355910555248 / (42))) is greater than 1.9669864608404333 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (42) - 2, .975) and 0.1896764827364219 = (385.8694105215205 - 312.679057938222) / 385.8694105215205 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.IsSuffix_DifferentLastChar(Options: (, None, False))

```log

Description of detection logic

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 6.647438053691667 < 25.208829792305913.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 5.329357892935346 (T) = (0 -6.737271657219354) / Math.Sqrt((74.8053195414298 / (299)) + (0.03743291577978201 / (42))) is greater than 1.9669864608404333 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (42) - 2, .975) and 0.28385410183026843 = (9.407680298718368 - 6.737271657219354) / 9.407680298718368 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.IsPrefix_DifferentFirstChar(Options: (en-US, IgnoreNonSpace, False))

```log

Description of detection logic

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 7.760189624674332 < 25.672464853644644.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 5.456506054078972 (T) = (0 -7.821001419847746) / Math.Sqrt((72.84614077016927 / (299)) + (0.02241249393171838 / (42))) is greater than 1.9669864608404333 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (42) - 2, .975) and 0.2563633079382205 = (10.51723442823071 - 7.821001419847746) / 10.51723442823071 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.IsSuffix_SecondHalf(Options: (, IgnoreCase, False))

```log

Description of detection logic

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 182.04140239885174 < 775.974363320401.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 5.0622540005592125 (T) = (0 -183.81953560518838) / Math.Sqrt((80728.5913878065 / (299)) + (36.9541502132045 / (42))) is greater than 1.9669864608404333 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (42) - 2, .975) and 0.3118866736287951 = (267.13555538092623 - 183.81953560518838) / 267.13555538092623 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.IsPrefix_FirstHalf(Options: (en-US, IgnoreCase, False))

```log

Description of detection logic

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 206.03854284478743 < 764.7167705943523.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 2.679673058489538 (T) = (0 -205.03728607366332) / Math.Sqrt((82156.95150603147 / (299)) + (28.17900831651481 / (42))) is greater than 1.9669864608404333 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (42) - 2, .975) and 0.1782416622718511 = (249.51044201208094 - 205.03728607366332) / 249.51044201208094 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.IsPrefix_FirstHalf(Options: (en-US, IgnoreNonSpace, False))

```log

Description of detection logic

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 157.4801841964808 < 741.7560673507164.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 4.441904247279053 (T) = (0 -157.43205036278258) / Math.Sqrt((87056.10647077377 / (299)) + (0.026189736345208083 / (42))) is greater than 1.9669864608404333 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (42) - 2, .975) and 0.3249802716248508 = (233.22585066030558 - 157.43205036278258) / 233.22585066030558 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.IsPrefix_DifferentFirstChar(Options: (, IgnoreCase, False))

```log

Description of detection logic

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 7.596251567251812 < 25.959250263439372.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 4.022445608497047 (T) = (0 -7.720390278248877) / Math.Sqrt((81.63994451404557 / (299)) + (0.09462819721890138 / (42))) is greater than 1.9669864608404333 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (42) - 2, .975) and 0.21468241427069498 = (9.830914802549776 - 7.720390278248877) / 9.830914802549776 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.IsPrefix_FirstHalf(Options: (, IgnoreCase, False))

```log

Description of detection logic

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 206.40746811012403 < 765.0026920623648.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 2.6939513220235107 (T) = (0 -205.0093834991466) / Math.Sqrt((83348.18000772213 / (299)) + (28.887752698930466 / (42))) is greater than 1.9669864608404333 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (42) - 2, .975) and 0.180103663110291 = (250.0430533411739 - 205.0093834991466) / 250.0430533411739 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.IsSuffix_DifferentLastChar(Options: (en-US, None, False))

```log

Description of detection logic

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 6.685703348188483 < 25.160473372952183.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 5.289829316037076 (T) = (0 -6.7600400560235725) / Math.Sqrt((74.52716763088902 / (299)) + (0.06154972386928953 / (41))) is greater than 1.9670073106672175 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (41) - 2, .975) and 0.2815309198942695 = (9.408950563368377 - 6.7600400560235725) / 9.408950563368377 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.IsPrefix_DifferentFirstChar(Options: (en-US, None, False))

```log

Description of detection logic

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 7.75461975315317 < 25.897298240638047.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 5.46636768865432 (T) = (0 -7.826873735149377) / Math.Sqrt((71.50666849732872 / (299)) + (0.024056682939388 / (42))) is greater than 1.9669864608404333 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (42) - 2, .975) and 0.25481795486265907 = (10.503304241189605 - 7.826873735149377) / 10.503304241189605 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.IsPrefix_FirstHalf(Options: (en-US, OrdinalIgnoreCase, False))

```log

Description of detection logic

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 54.04082569370204 < 64.0025528239688.
IsChangePoint: Marked as a change because one of 5/9/2022 5:23:46 PM, 5/20/2022 10:18:01 PM, 6/6/2022 10:12:27 PM, 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 5.677175428925195 (T) = (0 -54.72175773176336) / Math.Sqrt((32.168170579129004 / (299)) + (6.587133951151105 / (42))) is greater than 1.9669864608404333 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (42) - 2, .975) and 0.050646488478860205 = (57.64107581388015 - 54.72175773176336) / 57.64107581388015 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

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

```log

Description of detection logic

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 312.652604829512 < 913.1756988007014.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 4.276851667728392 (T) = (0 -312.53157761841896) / Math.Sqrt((86925.37054325055 / (299)) + (1.8740586595826092 / (42))) is greater than 1.9669864608404333 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (42) - 2, .975) and 0.18919784487739605 = (385.459727313083 - 312.53157761841896) / 385.459727313083 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.IsSuffix_SecondHalf(Options: (en-US, IgnoreNonSpace, False))

```log

Description of detection logic

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 180.78183467988245 < 753.0071163642007.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 4.115837481483515 (T) = (0 -180.93285151668513) / Math.Sqrt((76075.99829067652 / (299)) + (0.1078668713128155 / (41))) is greater than 1.9670073106672175 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (41) - 2, .975) and 0.266245397776263 = (246.58496310393832 - 180.93285151668513) / 246.58496310393832 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.IsSuffix_SecondHalf(Options: (, None, False))

```log

Description of detection logic

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 180.9458698586582 < 752.7473390763998.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 4.106089404501399 (T) = (0 -181.06699860618775) / Math.Sqrt((77206.65681267298 / (299)) + (0.1552848846141542 / (42))) is greater than 1.9669864608404333 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (42) - 2, .975) and 0.2670796360604944 = (247.0486665603588 - 181.06699860618775) / 247.0486665603588 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options: (en-US, None, False))

```log

Description of detection logic

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 312.0460135946181 < 914.2927817994664.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 4.198285614009993 (T) = (0 -312.5500810474406) / Math.Sqrt((104041.66633364488 / (299)) + (1.92462515335869 / (41))) is greater than 1.9670073106672175 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (41) - 2, .975) and 0.20037224811915516 = (390.86947684378856 - 312.5500810474406) / 390.86947684378856 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.IsPrefix_FirstHalf(Options: (, None, False))

```log

Description of detection logic

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 157.62820718047385 < 764.5880247058302.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 4.429411681483501 (T) = (0 -157.4501613182022) / Math.Sqrt((90469.4909565631 / (299)) + (0.019172009146587024 / (42))) is greater than 1.9669864608404333 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (42) - 2, .975) and 0.3285657216733228 = (234.49824711153184 - 157.4501613182022) / 234.49824711153184 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options: (, IgnoreCase, False))

```log

Description of detection logic

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 749.7461720067454 < 1.2592997232794187.
IsChangePoint: Marked as a change because one of 5/30/2022 12:57:05 PM, 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 2.586455690271613 (T) = (0 -753.2479417123735) / Math.Sqrt((74492.57835200167 / (299)) + (31.886628523947763 / (42))) is greater than 1.9669864608404333 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (42) - 2, .975) and 0.05148637122321435 = (794.1350749843953 - 753.2479417123735) / 794.1350749843953 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.IsSuffix_DifferentLastChar(Options: (en-US, IgnoreNonSpace, False))

```log

Description of detection logic

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 7.713999873505315 < 25.21873260336599.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 5.2499862217169735 (T) = (0 -6.783060628493617) / Math.Sqrt((74.70737459612934 / (299)) + (0.07860421297127378 / (42))) is greater than 1.9669864608404333 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (42) - 2, .975) and 0.2797092834496226 = (9.417115162859671 - 6.783060628493617) / 9.417115162859671 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.LastIndexOf_Word_NotFound(Options: (en-US, None, False))

```log

Description of detection logic

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 303.6501207646856 < 908.3278064489077.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 4.380842288740658 (T) = (0 -303.9765768000137) / Math.Sqrt((87192.21719735645 / (299)) + (0.06972890370368369 / (42))) is greater than 1.9669864608404333 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (42) - 2, .975) and 0.19749997910836847 = (378.78700172776973 - 303.9765768000137) / 378.78700172776973 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Globalization.Tests.StringSearch.IsPrefix_FirstHalf(Options: (en-US, None, False))

```log

Description of detection logic

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 157.41317025727105 < 741.5699804645241.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 4.4783523392675 (T) = (0 -157.41877649891336) / Math.Sqrt((81467.71496241567 / (299)) + (0.030251289551972805 / (42))) is greater than 1.9669864608404333 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (42) - 2, .975) and 0.3195384199207552 = (231.34116768294365 - 157.41877649891336) / 231.34116768294365 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

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

@performanceautofiler performanceautofiler bot added CoreClr PGO Applied if there were any profile guided optimization updates in the observed interval. untriaged labels Jul 12, 2022
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EgorBo commented Jul 12, 2022

Looks like dotnet/runtime#71659

This was referenced Jul 12, 2022
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