[Perf] Changes at 5/30/2022 5:18:40 PM

[performanceautofiler]

Run Information

Architecture	x64
OS	Windows 10.0.18362
Baseline	9380113a892ec86d147e6e7506a10eda407a82be
Compare	842b6a87aaa6b6f25555541f541d5ee202d3972a
Diff	Diff

Improvements in System.Memory.ReadOnlySequence

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Slice_StartPosition_And_EndPosition - Duration of single invocation	13.54 ns	11.56 ns	0.85	0.10	False
Slice_StartPosition - Duration of single invocation	12.52 ns	10.91 ns	0.87	0.15	False

Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Memory.ReadOnlySequence.Slice_StartPosition_And_EndPosition(Segment: Multiple)

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 11.556379838282698 < 13.099781719689203.
IsChangePoint: Marked as a change because one of 4/20/2022 2:49:46 PM, 5/11/2022 7:02:26 PM, 5/25/2022 1:42:32 AM, 5/30/2022 12:57:05 PM, 6/7/2022 9:00:42 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 9:00:42 AM.
IsImprovementStdDev: Marked as improvement because 33.1888173266403 (T) = (0 -11.602651967740059) / Math.Sqrt((0.2780460124745011 / (299)) + (0.08561927145527344 / (51))) is greater than 1.9668042230483112 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (51) - 2, .975) and 0.1274754749993564 = (13.29779465824356 - 11.602651967740059) / 13.29779465824356 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Memory.ReadOnlySequence.Slice_StartPosition(Segment: Multiple)

```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 10.913690186977323 < 11.888011481537868.
IsChangePoint: Marked as a change because one of 5/30/2022 12:57:05 PM, 6/7/2022 9:00:42 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 9:00:42 AM.
IsImprovementStdDev: Marked as improvement because 35.905790130794486 (T) = (0 -10.992125841578629) / Math.Sqrt((0.16600981799105777 / (299)) + (0.049045194134770216 / (48))) is greater than 1.9668639088811137 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (48) - 2, .975) and 0.11482270186352389 = (12.417993394905016 - 10.992125841578629) / 12.417993394905016 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	Windows 10.0.18362
Baseline	9380113a892ec86d147e6e7506a10eda407a82be
Compare	842b6a87aaa6b6f25555541f541d5ee202d3972a
Diff	Diff

Improvements in System.Collections.TryGetValueTrue<String, String>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Dictionary - Duration of single invocation	13.92 μs	11.74 μs	0.84	0.01	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.TryGetValueTrue<String, String>*'

Payloads

Baseline
Compare

Histogram

System.Collections.TryGetValueTrue<String, String>.Dictionary(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 11.740286890397186 < 13.059583617090945.
IsChangePoint: Marked as a change because one of 5/9/2022 5:23:46 PM, 5/11/2022 9:09:01 PM, 5/30/2022 12:57:05 PM, 6/7/2022 9:00:42 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 9:00:42 AM.
IsImprovementStdDev: Marked as improvement because 48.348961021315795 (T) = (0 -11703.196184408205) / Math.Sqrt((297619.9135401671 / (299)) + (32625.591422561807 / (51))) is greater than 1.9668042230483112 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (51) - 2, .975) and 0.143141106004619 = (13658.25372931391 - 11703.196184408205) / 13658.25372931391 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	Windows 10.0.18362
Baseline	9380113a892ec86d147e6e7506a10eda407a82be
Compare	842b6a87aaa6b6f25555541f541d5ee202d3972a
Diff	Diff

Improvements in System.Collections.IterateFor<String>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
ImmutableArray - Duration of single invocation	326.00 ns	168.33 ns	0.52	0.01	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.IterateFor<String>*'

Payloads

Baseline
Compare

Histogram

System.Collections.IterateFor<String>.ImmutableArray(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 168.33179055115204 < 309.6934937650115.
IsChangePoint: Marked as a change because one of 3/30/2022 6:37:35 PM, 4/20/2022 2:49:46 PM, 4/25/2022 11:05:49 AM, 5/25/2022 1:42:32 AM, 5/30/2022 12:57:05 PM, 6/7/2022 9:00:42 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 9:00:42 AM.
IsImprovementStdDev: Marked as improvement because 8.627727655892695 (T) = (0 -168.63036201639133) / Math.Sqrt((3923.356152295147 / (299)) + (0.02327032817999756 / (51))) is greater than 1.9668042230483112 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (51) - 2, .975) and 0.15635786783636166 = (199.8837606461346 - 168.63036201639133) / 199.8837606461346 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	Windows 10.0.18362
Baseline	9380113a892ec86d147e6e7506a10eda407a82be
Compare	842b6a87aaa6b6f25555541f541d5ee202d3972a
Diff	Diff

Improvements in System.Linq.Tests.Perf_Enumerable

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
SelectToList - Duration of single invocation	354.21 ns	324.11 ns	0.92	0.04	False
CastToBaseClass - Duration of single invocation	2.44 μs	2.23 μs	0.91	0.21	False
Average - Duration of single invocation	556.93 ns	491.76 ns	0.88	0.02	False

Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Linq.Tests.Perf_Enumerable.SelectToList(input: List)

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 324.11188261074545 < 336.58148273628774.
IsChangePoint: Marked as a change because one of 5/13/2022 5:25:17 AM, 5/15/2022 3:27:46 PM, 5/25/2022 1:42:32 AM, 5/26/2022 5:29:00 PM, 5/30/2022 12:57:05 PM, 6/7/2022 9:00:42 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 9:00:42 AM.
IsImprovementStdDev: Marked as improvement because 20.63125195045157 (T) = (0 -326.2549075636915) / Math.Sqrt((54.38133289302122 / (299)) + (43.39046270977754 / (50))) is greater than 1.9668240032621265 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (50) - 2, .975) and 0.06084641318047364 = (347.3924948405555 - 326.2549075636915) / 347.3924948405555 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Linq.Tests.Perf_Enumerable.CastToBaseClass(input: IEnumerable)

```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 2.229922136629094 < 2.2671334401742795.
IsChangePoint: Marked as a change because one of 6/1/2022 2:58:46 AM, 6/7/2022 9:00:42 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 9:00:42 AM.
IsImprovementStdDev: Marked as improvement because 8.029769822772755 (T) = (0 -2285.7883588382974) / Math.Sqrt((8450.999764635184 / (299)) + (8811.008983695361 / (39))) is greater than 1.9670493839589689 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (39) - 2, .975) and 0.053036797846428695 = (2413.80906210504 - 2285.7883588382974) / 2413.80906210504 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Linq.Tests.Perf_Enumerable.Average(input: IEnumerable)

```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 491.76089128915953 < 529.1973151592957.
IsChangePoint: Marked as a change because one of 4/20/2022 2:49:46 PM, 6/2/2022 5:58:32 PM, 6/7/2022 9:00:42 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 9:00:42 AM.
IsImprovementStdDev: Marked as improvement because 20.60356453871484 (T) = (0 -487.66528130877185) / Math.Sqrt((508.72279688035013 / (299)) + (115.64772282165234 / (28))) is greater than 1.967290077109849 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (28) - 2, .975) and 0.0925817225265396 = (537.4206068083467 - 487.66528130877185) / 537.4206068083467 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	Windows 10.0.18362
Baseline	9380113a892ec86d147e6e7506a10eda407a82be
Compare	842b6a87aaa6b6f25555541f541d5ee202d3972a
Diff	Diff

Improvements in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Count - Duration of single invocation	35.45 ms	30.01 ms	0.85	0.02	False
Count - Duration of single invocation	15.21 ms	13.06 ms	0.86	0.00	True
Count - Duration of single invocation	35.49 ms	30.28 ms	0.85	0.01	False

Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.Count(Pattern: "\p{Sm}", Options: None)

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 30.010911904761908 < 33.421327976190476.
IsChangePoint: Marked as a change because one of 4/16/2022 5:36:25 PM, 5/9/2022 5:23:46 PM, 5/11/2022 9:09:01 PM, 5/19/2022 10:26:24 PM, 5/30/2022 12:57:05 PM, 6/7/2022 9:00:42 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 9:00:42 AM.
IsImprovementStdDev: Marked as improvement because 16.33369910809331 (T) = (0 -30385622.78557256) / Math.Sqrt((11284364771621.697 / (299)) + (32756770249.40977 / (48))) is greater than 1.9668639088811137 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (48) - 2, .975) and 0.095324323609786 = (33587310.434625104 - 30385622.78557256) / 33587310.434625104 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.Count(Pattern: "\p{Sm}", Options: Compiled)

```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 13.064915263157893 < 14.632018447303922.
IsChangePoint: Marked as a change because one of 5/30/2022 12:57:05 PM, 6/7/2022 9:00:42 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 9:00:42 AM.
IsImprovementStdDev: Marked as improvement because 97.90689212299547 (T) = (0 -13042704.086591627) / Math.Sqrt((11302119614.493065 / (299)) + (25430087983.3743 / (51))) is greater than 1.9668042230483112 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (51) - 2, .975) and 0.14811024658078847 = (15310319.245233797 - 13042704.086591627) / 15310319.245233797 is greater than 0.05.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

```#### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.Count(Pattern: "\p{Sm}", Options: NonBacktracking)

```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 30.28400095238096 < 33.553008380952384.
IsChangePoint: Marked as a change because one of 4/16/2022 5:36:25 PM, 5/9/2022 5:23:46 PM, 5/11/2022 9:09:01 PM, 5/19/2022 10:26:24 PM, 5/30/2022 12:57:05 PM, 6/7/2022 9:00:42 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 9:00:42 AM.
IsImprovementStdDev: Marked as improvement because 16.61593085954604 (T) = (0 -30416595.483834546) / Math.Sqrt((11383031291526.47 / (299)) + (16391157938.801445 / (51))) is greater than 1.9668042230483112 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (51) - 2, .975) and 0.09668762617171948 = (33672289.193745434 - 30416595.483834546) / 33672289.193745434 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	Windows 10.0.18362
Baseline	9380113a892ec86d147e6e7506a10eda407a82be
Compare	842b6a87aaa6b6f25555541f541d5ee202d3972a
Diff	Diff

Improvements in System.Memory.Span<Int32>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
BinarySearch - Duration of single invocation	25.47 ns	19.46 ns	0.76	0.03	True

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Memory.Span<Int32>*'

Payloads

Baseline
Compare

Histogram

System.Memory.Span<Int32>.BinarySearch(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 19.45874188161459 < 24.2211414761613.
IsChangePoint: Marked as a change because one of 5/30/2022 12:57:05 PM, 6/7/2022 9:00:42 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 9:00:42 AM.
IsImprovementStdDev: Marked as improvement because 51.4517185144209 (T) = (0 -20.297391725864326) / Math.Sqrt((0.5317874195132436 / (299)) + (0.22318022508310528 / (51))) is greater than 1.9668042230483112 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (51) - 2, .975) and 0.16587851821055205 = (24.3338556421304 - 20.297391725864326) / 24.3338556421304 is greater than 0.05.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

Docs

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

Run Information

Architecture	x64
OS	Windows 10.0.18362
Baseline	9380113a892ec86d147e6e7506a10eda407a82be
Compare	842b6a87aaa6b6f25555541f541d5ee202d3972a
Diff	Diff

Improvements in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Count - Duration of single invocation	2.34 ms	2.20 ms	0.94	0.03	False

Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "\p{Lu}", Options: None)

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 2.1995099705014747 < 2.223636583774251.
IsChangePoint: Marked as a change because one of 4/13/2022 5:30:39 PM, 5/11/2022 9:09:01 PM, 5/19/2022 10:26:24 PM, 5/30/2022 12:57:05 PM, 6/7/2022 9:00:42 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 9:00:42 AM.
IsImprovementStdDev: Marked as improvement because 22.207159699518947 (T) = (0 -2210241.662846437) / Math.Sqrt((6799299680.079997 / (299)) + (763430608.6337485 / (51))) is greater than 1.9668042230483112 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (51) - 2, .975) and 0.058113421501435676 = (2346611.2728453176 - 2210241.662846437) / 2346611.2728453176 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	Windows 10.0.18362
Baseline	9380113a892ec86d147e6e7506a10eda407a82be
Compare	842b6a87aaa6b6f25555541f541d5ee202d3972a
Diff	Diff

Improvements in System.Collections.ContainsKeyTrue<Int32, Int32>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Dictionary - Duration of single invocation	3.81 μs	3.56 μs	0.93	0.18	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.ContainsKeyTrue<Int32, Int32>*'

Payloads

Baseline
Compare

Histogram

System.Collections.ContainsKeyTrue<Int32, Int32>.Dictionary(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 3.55845487495018 < 3.6397011140217757.
IsChangePoint: Marked as a change because one of 4/22/2022 6:17:37 AM, 4/29/2022 5:18:09 PM, 5/9/2022 11:56:12 AM, 5/15/2022 3:27:46 PM, 5/20/2022 10:18:01 PM, 5/30/2022 12:57:05 PM, 6/7/2022 9:00:42 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 9:00:42 AM.
IsImprovementStdDev: Marked as improvement because 29.045810510479463 (T) = (0 -3030.9683795841806) / Math.Sqrt((241337.10020262792 / (299)) + (12098.75326200114 / (51))) is greater than 1.9668042230483112 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (51) - 2, .975) and 0.23646209906649832 = (3969.63710102474 - 3030.9683795841806) / 3969.63710102474 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	Windows 10.0.18362
Baseline	9380113a892ec86d147e6e7506a10eda407a82be
Compare	842b6a87aaa6b6f25555541f541d5ee202d3972a
Diff	Diff

Improvements in System.Collections.ContainsTrue<String>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
HashSet - Duration of single invocation	13.82 μs	11.27 μs	0.82	0.01	True

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.ContainsTrue<String>*'

Payloads

Baseline
Compare

Histogram

System.Collections.ContainsTrue<String>.HashSet(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 11.267014798641437 < 13.144378568044225.
IsChangePoint: Marked as a change because one of 5/30/2022 12:57:05 PM, 6/7/2022 9:00:42 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 9:00:42 AM.
IsImprovementStdDev: Marked as improvement because 90.80736440627349 (T) = (0 -11520.58626493893) / Math.Sqrt((65485.896130870206 / (299)) + (11225.097389297815 / (50))) is greater than 1.9668240032621265 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (50) - 2, .975) and 0.14236543227430618 = (13432.977982090477 - 11520.58626493893) / 13432.977982090477 is greater than 0.05.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

Docs

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

Run Information

Architecture	x64
OS	Windows 10.0.18362
Baseline	9380113a892ec86d147e6e7506a10eda407a82be
Compare	842b6a87aaa6b6f25555541f541d5ee202d3972a
Diff	Diff

Improvements in System.Collections.IndexerSet<Int32>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Dictionary - Duration of single invocation	4.11 μs	3.26 μs	0.79	0.16	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.IndexerSet<Int32>*'

Payloads

Baseline
Compare

Histogram

System.Collections.IndexerSet<Int32>.Dictionary(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 3.2579077956405245 < 3.8977941448558884.
IsChangePoint: Marked as a change because one of 4/8/2022 7:02:49 PM, 4/16/2022 5:36:25 PM, 4/22/2022 6:17:37 AM, 4/25/2022 11:05:49 AM, 5/26/2022 2:18:36 PM, 5/30/2022 12:57:05 PM, 6/7/2022 9:00:42 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 9:00:42 AM.
IsImprovementStdDev: Marked as improvement because 19.129423694149082 (T) = (0 -3305.4634004438753) / Math.Sqrt((186513.35186486988 / (299)) + (5796.161325561865 / (51))) is greater than 1.9668042230483112 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (51) - 2, .975) and 0.13581285688277078 = (3824.9393395516886 - 3305.4634004438753) / 3824.9393395516886 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	Windows 10.0.18362
Baseline	9380113a892ec86d147e6e7506a10eda407a82be
Compare	842b6a87aaa6b6f25555541f541d5ee202d3972a
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
Dictionary - Duration of single invocation	17.24 μs	14.24 μs	0.83	0.01	True

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.IndexerSet<String>*'

Payloads

Baseline
Compare

Histogram

System.Collections.IndexerSet<String>.Dictionary(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 14.243654174425824 < 15.926934013881034.
IsChangePoint: Marked as a change because one of 5/30/2022 12:57:05 PM, 6/7/2022 9:00:42 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 9:00:42 AM.
IsImprovementStdDev: Marked as improvement because 54.967289011946946 (T) = (0 -14752.362186473274) / Math.Sqrt((108014.99356931083 / (299)) + (43685.74694187351 / (51))) is greater than 1.9668042230483112 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (51) - 2, .975) and 0.115066299296616 = (16670.584671764056 - 14752.362186473274) / 16670.584671764056 is greater than 0.05.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

Docs

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

Run Information

Architecture	x64
OS	Windows 10.0.18362
Baseline	9380113a892ec86d147e6e7506a10eda407a82be
Compare	842b6a87aaa6b6f25555541f541d5ee202d3972a
Diff	Diff

Improvements in System.Collections.CtorFromCollection<String>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
ConcurrentQueue - Duration of single invocation	8.44 μs	7.95 μs	0.94	0.00	True

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.CtorFromCollection<String>*'

Payloads

Baseline
Compare

Histogram

System.Collections.CtorFromCollection<String>.ConcurrentQueue(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 7.951819113627489 < 8.020566634775228.
IsChangePoint: Marked as a change because one of 5/30/2022 12:57:05 PM, 6/7/2022 9:00:42 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 9:00:42 AM.
IsImprovementStdDev: Marked as improvement because 92.76474967533586 (T) = (0 -7956.154314369285) / Math.Sqrt((366.6220105508943 / (299)) + (1207.2155169416799 / (51))) is greater than 1.9668042230483112 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (51) - 2, .975) and 0.05497880554258904 = (8419.02209287206 - 7956.154314369285) / 8419.02209287206 is greater than 0.05.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

Docs

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

Run Information

Architecture	x64
OS	Windows 10.0.18362
Baseline	b8acc97aba7662204c2a6de8f6090fc115a41c9f
Compare	842b6a87aaa6b6f25555541f541d5ee202d3972a
Diff	Diff

Improvements in System.Memory.Span<Char>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
LastIndexOfValue - Duration of single invocation	20.33 ns	17.86 ns	0.88	0.07	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Memory.Span<Char>*'

Payloads

Baseline
Compare

Histogram

System.Memory.Span<Char>.LastIndexOfValue(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 17.85800966479309 < 19.28009196896224.
IsChangePoint: Marked as a change because one of 4/14/2022 8:42:05 AM, 5/11/2022 7:02:26 PM, 5/30/2022 12:57:05 PM, 6/7/2022 9:00:42 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 9:00:42 AM.
IsImprovementStdDev: Marked as improvement because 14.415695380239164 (T) = (0 -16.969663211791623) / Math.Sqrt((2.6504212255696964 / (299)) + (0.2858904822724394 / (51))) is greater than 1.9668042230483112 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (51) - 2, .975) and 0.09271307831473113 = (18.703744985401954 - 16.969663211791623) / 18.703744985401954 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]

Run Information

Architecture	x64
OS	Windows 10.0.18362
Baseline	9380113a892ec86d147e6e7506a10eda407a82be
Compare	842b6a87aaa6b6f25555541f541d5ee202d3972a
Diff	Diff

Improvements in System.Buffers.Tests.ReadOnlySequenceTests<Char>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
IterateTryGetTenSegments - Duration of single invocation	50.07 ns	47.00 ns	0.94	0.01	True
IterateGetPositionTenSegments - Duration of single invocation	99.83 ns	89.13 ns	0.89	0.06	False
SliceTenSegments - Duration of single invocation	28.30 ns	26.03 ns	0.92	0.12	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Buffers.Tests.ReadOnlySequenceTests<Char>*'

Payloads

Baseline
Compare

Histogram

System.Buffers.Tests.ReadOnlySequenceTests<Char>.IterateTryGetTenSegments

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 47.003779331168396 < 47.58262757890355.
IsChangePoint: Marked as a change because one of 5/30/2022 12:57:05 PM, 6/7/2022 9:00:42 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 9:00:42 AM.
IsImprovementStdDev: Marked as improvement because 47.90361843926646 (T) = (0 -47.41940322904649) / Math.Sqrt((0.2784662174634718 / (299)) + (0.13284780031360888 / (48))) is greater than 1.9668639088811137 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (48) - 2, .975) and 0.05788393979864966 = (50.33286792596652 - 47.41940322904649) / 50.33286792596652 is greater than 0.05.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

```#### System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;.IterateGetPositionTenSegments

```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 89.12778387664034 < 92.3959655873847.
IsChangePoint: Marked as a change because one of 6/1/2022 2:58:46 AM, 6/7/2022 9:00:42 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 9:00:42 AM.
IsImprovementStdDev: Marked as improvement because 30.25871173323189 (T) = (0 -81.98606696027221) / Math.Sqrt((9.865179915683857 / (299)) + (6.111548926468083 / (40))) is greater than 1.9670282846691574 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (40) - 2, .975) and 0.13724606185362084 = (95.02833117912937 - 81.98606696027221) / 95.02833117912937 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;.SliceTenSegments

```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 26.031067879715515 < 26.581844605220127.
IsChangePoint: Marked as a change because one of 4/8/2022 7:02:49 PM, 5/31/2022 6:06:22 PM, 6/7/2022 9:00:42 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 9:00:42 AM.
IsImprovementStdDev: Marked as improvement because 23.738358424876864 (T) = (0 -24.698621261161247) / Math.Sqrt((0.7369763958565078 / (299)) + (0.38979007914184743 / (40))) is greater than 1.9670282846691574 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (40) - 2, .975) and 0.09600501679480343 = (27.321635318804574 - 24.698621261161247) / 27.321635318804574 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	Windows 10.0.18362
Baseline	b8acc97aba7662204c2a6de8f6090fc115a41c9f
Compare	842b6a87aaa6b6f25555541f541d5ee202d3972a
Diff	Diff

Improvements in System.IO.Tests.Perf_Path

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
ChangeExtension - Duration of single invocation	20.43 ns	18.76 ns	0.92	0.12	False

Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.IO.Tests.Perf_Path.ChangeExtension

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 18.75962209435974 < 19.299248180097827.
IsChangePoint: Marked as a change because one of 5/9/2022 6:32:22 AM, 5/30/2022 12:57:05 PM, 6/7/2022 9:00:42 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 9:00:42 AM.
IsImprovementStdDev: Marked as improvement because 18.084477091729593 (T) = (0 -18.97436290294505) / Math.Sqrt((0.35114627566273415 / (299)) + (0.1567398937974842 / (51))) is greater than 1.9668042230483112 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (51) - 2, .975) and 0.05848501695372921 = (20.153012160840518 - 18.97436290294505) / 20.153012160840518 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	Windows 10.0.18362
Baseline	b8acc97aba7662204c2a6de8f6090fc115a41c9f
Compare	842b6a87aaa6b6f25555541f541d5ee202d3972a
Diff	Diff

Improvements in System.Collections.ContainsTrue<Int32>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
HashSet - Duration of single invocation	3.81 μs	2.97 μs	0.78	0.06	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.ContainsTrue<Int32>*'

Payloads

Baseline
Compare

Histogram

System.Collections.ContainsTrue<Int32>.HashSet(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 2.968966479575927 < 3.646160953327872.
IsChangePoint: Marked as a change because one of 3/31/2022 1:45:25 PM, 4/8/2022 7:02:49 PM, 4/20/2022 2:49:46 PM, 4/29/2022 5:18:09 PM, 5/30/2022 12:57:05 PM, 6/7/2022 9:00:42 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 9:00:42 AM.
IsImprovementStdDev: Marked as improvement because 26.301944982197426 (T) = (0 -2981.2114970651837) / Math.Sqrt((471340.34387479024 / (299)) + (4153.854738189114 / (51))) is greater than 1.9668042230483112 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (51) - 2, .975) and 0.26428639657926195 = (4052.1358898406775 - 2981.2114970651837) / 4052.1358898406775 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	Windows 10.0.18362
Baseline	9380113a892ec86d147e6e7506a10eda407a82be
Compare	842b6a87aaa6b6f25555541f541d5ee202d3972a
Diff	Diff

Improvements in System.Tests.Perf_String

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Concat_CharEnumerable - Duration of single invocation	8.50 μs	7.94 μs	0.94	0.03	False

Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_String.Concat_CharEnumerable

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 7.944492610211344 < 8.041968337073458.
IsChangePoint: Marked as a change because one of 5/5/2022 12:13:02 AM, 5/11/2022 7:02:26 PM, 5/20/2022 10:18:01 PM, 5/25/2022 1:42:32 AM, 5/26/2022 5:29:00 PM, 5/30/2022 12:57:05 PM, 6/7/2022 9:00:42 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 9:00:42 AM.
IsImprovementStdDev: Marked as improvement because 11.263702142044515 (T) = (0 -7407.162242396941) / Math.Sqrt((277766.12450317695 / (299)) + (20036.817927023996 / (49))) is greater than 1.9668438982061167 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (49) - 2, .975) and 0.05269054957193785 = (7819.157973194351 - 7407.162242396941) / 7819.157973194351 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