[Perf] Changes at 7/6/2022 11:58:32 AM

[performanceautofiler]

Run Information

Architecture	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
Diff	Diff

Improvements in System.Tests.Perf_Uri

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
GetComponents - Duration of single invocation	132.86 ns	98.94 ns	0.74	0.61	False

Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_Uri.GetComponents

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 98.9437943634028 < 127.92352027317787.
IsChangePoint: Marked as a change because one of 5/24/2022 10:45:34 PM, 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 5.860935294906318 (T) = (0 -94.14032730139655) / Math.Sqrt((152.4179498455589 / (299)) + (61.103307380653725 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.08550661883282963 = (102.9426010511361 - 94.14032730139655) / 102.9426010511361 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
Diff	Diff

Improvements in Microsoft.Extensions.Primitives.StringSegmentBenchmark

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
TrimEnd - Duration of single invocation	132.57 ns	13.90 ns	0.10	0.57	False
TrimStart - Duration of single invocation	117.21 ns	16.22 ns	0.14	0.65	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'Microsoft.Extensions.Primitives.StringSegmentBenchmark*'

Payloads

Baseline
Compare

Histogram

Microsoft.Extensions.Primitives.StringSegmentBenchmark.TrimEnd

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 13.898649108698866 < 131.9366407613424.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 2.816475792607095 (T) = (0 -18.51591727852764) / Math.Sqrt((610.396395742456 / (299)) + (61.768396475041556 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.2288494235336881 = (24.01076760309796 - 18.51591727852764) / 24.01076760309796 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### Microsoft.Extensions.Primitives.StringSegmentBenchmark.TrimStart

```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 16.218568756467214 < 108.89405833217326.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 2.2738606620268915 (T) = (0 -21.755577197192405) / Math.Sqrt((433.14024506764014 / (299)) + (69.42725181423084 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.16222289701359546 = (25.96821650966684 - 21.755577197192405) / 25.96821650966684 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
Diff	Diff

Improvements in System.Tests.Perf_DateTime

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
ParseO - Duration of single invocation	157.01 ns	100.14 ns	0.64	0.37	False
ParseR - Duration of single invocation	144.25 ns	89.64 ns	0.62	0.32	False

Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_DateTime.ParseO

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 100.1440349993068 < 147.40574895164485.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 8.31693112237964 (T) = (0 -96.56618445613316) / Math.Sqrt((116.56927745045432 / (299)) + (4.772235730929086 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.05880300433344853 = (102.5993335090763 - 96.56618445613316) / 102.5993335090763 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Tests.Perf_DateTime.ParseR

```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 89.64448670187673 < 138.31105997907017.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 10.50791020110144 (T) = (0 -90.77104130060164) / Math.Sqrt((102.26961866652417 / (299)) + (2.9345516342691185 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.07024009623304164 = (97.62847476304285 - 90.77104130060164) / 97.62847476304285 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
Diff	Diff

Improvements in System.Memory.Span<Byte>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
SequenceEqual - Duration of single invocation	61.18 ns	35.06 ns	0.57	0.52	False
StartsWith - Duration of single invocation	54.73 ns	16.99 ns	0.31	0.52	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Memory.Span<Byte>*'

Payloads

Baseline
Compare

Histogram

System.Memory.Span<Byte>.SequenceEqual(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 35.06432955285231 < 58.13309840200602.
IsChangePoint: Marked as a change because one of 5/30/2022 4:33:23 PM, 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 4.526886675962463 (T) = (0 -39.68846366008964) / Math.Sqrt((39.51199378333488 / (299)) + (17.285107452150676 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.08277530504481193 = (43.27016474630424 - 39.68846366008964) / 43.27016474630424 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Memory.Span&lt;Byte&gt;.StartsWith(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 16.99332401159054 < 49.820555020507946.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 4.015180659652687 (T) = (0 -18.26493643159453) / Math.Sqrt((47.42501362270938 / (299)) + (3.0745018890680966 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.09839480002836137 = (20.25824211325432 - 18.26493643159453) / 20.25824211325432 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
Diff	Diff

Improvements in System.Text.Json.Document.Tests.Perf_EnumerateObject

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
EnumerateProperties - Duration of single invocation	10.16 μs	2.63 μs	0.26	0.30	False
EnumerateProperties - Duration of single invocation	13.87 μs	2.92 μs	0.21	0.34	False
EnumerateProperties - Duration of single invocation	12.76 μs	3.89 μs	0.31	0.02	False

Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Text.Json.Document.Tests.Perf_EnumerateObject.EnumerateProperties(TestCase: StringProperties)

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 2.6279869570409082 < 11.814715292544863.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 12.403824530944739 (T) = (0 -2702.9407793361775) / Math.Sqrt((2837328.837895373 / (299)) + (16728.013218159966 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.31419998114446057 = (3941.2958661722337 - 2702.9407793361775) / 3941.2958661722337 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Document.Tests.Perf_EnumerateObject.EnumerateProperties(TestCase: NumericProperties)

```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 2.919675332833302 < 13.150184876493467.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 12.632829080580626 (T) = (0 -2695.1999888116325) / Math.Sqrt((2781907.4906268567 / (299)) + (15427.012572099102 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.316331224337987 = (3942.259884842342 - 2695.1999888116325) / 3942.259884842342 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Document.Tests.Perf_EnumerateObject.EnumerateProperties(TestCase: ObjectProperties)

```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 3.893708687214613 < 12.179594427742238.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 13.383571620882908 (T) = (0 -3883.66296921526) / Math.Sqrt((2748518.5791214537 / (299)) + (163.515083057948 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.24839559401431494 = (5167.163654558496 - 3883.66296921526) / 5167.163654558496 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
Diff	Diff

Improvements in System.Buffers.Text.Tests.Utf8ParserTests

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
TryParseUInt32Hex - Duration of single invocation	45.49 ns	6.16 ns	0.14	0.72	False
TryParseUInt32Hex - Duration of single invocation	33.12 ns	8.09 ns	0.24	0.72	False
TryParseUInt32Hex - Duration of single invocation	46.49 ns	8.86 ns	0.19	0.65	False
TryParseInt16 - Duration of single invocation	29.30 ns	8.86 ns	0.30	0.68	False
TryParseInt16 - Duration of single invocation	25.03 ns	8.47 ns	0.34	0.73	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Buffers.Text.Tests.Utf8ParserTests*'

Payloads

Baseline
Compare

Histogram

System.Buffers.Text.Tests.Utf8ParserTests.TryParseUInt32Hex(value: 3039)

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 6.161825880168055 < 42.97196119664326.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 4.244168772159367 (T) = (0 -8.413378354436787) / Math.Sqrt((72.309611265029 / (299)) + (7.712396703125528 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.25537186436920667 = (11.298765050436351 - 8.413378354436787) / 11.298765050436351 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8ParserTests.TryParseUInt32Hex(value: 0)

```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 8.087134491442644 < 36.38787657879134.
IsChangePoint: Marked as a change because one of 5/30/2022 4:33:23 PM, 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 6.518475175082219 (T) = (0 -7.3464738621167305) / Math.Sqrt((42.4337190191414 / (299)) + (3.0544020679241406 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.2981364894421229 = (10.467097593202098 - 7.3464738621167305) / 10.467097593202098 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8ParserTests.TryParseUInt32Hex(value: FFFFFFFFFFFFFFFF)

```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 8.856522635833162 < 48.94407613466813.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 2.33189897173081 (T) = (0 -15.433108670998136) / Math.Sqrt((149.92646359773374 / (299)) + (103.59699814816132 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.21942776516921558 = (19.77153168193817 - 15.433108670998136) / 19.77153168193817 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8ParserTests.TryParseInt16(value: -32768)

```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 8.857596191656013 < 32.73094763197783.
IsChangePoint: Marked as a change because one of 5/12/2022 5:35:05 PM, 5/31/2022 10:47:41 AM, 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 6.358685904320376 (T) = (0 -10.324645979613418) / Math.Sqrt((28.582382334458185 / (299)) + (4.099668005464472 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.22121743304585806 = (13.257417946569646 - 10.324645979613418) / 13.257417946569646 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8ParserTests.TryParseInt16(value: 0)

```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 8.472202865630212 < 24.33170576964764.
IsChangePoint: Marked as a change because one of 5/30/2022 4:33:23 PM, 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 8.656021272711088 (T) = (0 -6.737116448726258) / Math.Sqrt((20.368992968783147 / (299)) + (2.710808010605611 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.32895671784597624 = (10.039764390607365 - 6.737116448726258) / 10.039764390607365 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
Diff	Diff

Improvements in System.Text.Json.Tests.Utf8JsonReaderCommentsTests

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Utf8JsonReaderCommentParsing - Duration of single invocation	35.94 μs	19.39 μs	0.54	0.28	False
Utf8JsonReaderCommentParsing - Duration of single invocation	2.06 μs	1.37 μs	0.67	0.42	False
Utf8JsonReaderCommentParsing - Duration of single invocation	223.73 ns	159.79 ns	0.71	0.27	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Json.Tests.Utf8JsonReaderCommentsTests*'

Payloads

Baseline
Compare

Histogram

System.Text.Json.Tests.Utf8JsonReaderCommentsTests.Utf8JsonReaderCommentParsing(CommentHandling: Allow, SegmentSize: 100, TestCase: LongMultiLine)

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 19.38698995385331 < 36.84487658690067.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 6.9150977221420495 (T) = (0 -19760.220905002847) / Math.Sqrt((12426292.925056001 / (299)) + (291757.439014929 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.07250198879885436 = (21304.866065871774 - 19760.220905002847) / 21304.866065871774 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Utf8JsonReaderCommentsTests.Utf8JsonReaderCommentParsing(CommentHandling: Allow, SegmentSize: 100, TestCase: LongSingleLine)

```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 1.3741621182913555 < 1.9626596193097514.
IsChangePoint: Marked as a change because one of 5/14/2022 4:08:59 PM, 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 8.06941457324536 (T) = (0 -1326.4448479769217) / Math.Sqrt((19913.78473345168 / (299)) + (2614.0269184720946 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.06743483588510153 = (1422.3615668035982 - 1326.4448479769217) / 1422.3615668035982 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Utf8JsonReaderCommentsTests.Utf8JsonReaderCommentParsing(CommentHandling: Allow, SegmentSize: 100, TestCase: ShortSingleLine)

```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 159.78603558237717 < 221.13711240256447.
IsChangePoint: Marked as a change because one of 5/24/2022 10:45:34 PM, 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 8.336961690188984 (T) = (0 -165.05284027788943) / Math.Sqrt((190.73359730405903 / (299)) + (24.018725356489657 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.0549310136616511 = (174.64634081093212 - 165.05284027788943) / 174.64634081093212 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
Diff	Diff

Improvements in System.Tests.Perf_Guid

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
ctor_bytes - Duration of single invocation	20.62 ns	2.10 ns	0.10	0.64	False
ctor_str - Duration of single invocation	410.23 ns	50.14 ns	0.12	0.50	False

Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_Guid.ctor_bytes

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 2.095786704822434 < 21.72839448993818.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 9.49815857247187 (T) = (0 -2.7827595599802923) / Math.Sqrt((21.958787260201888 / (299)) + (2.209925439146112 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.5577999312609123 = (6.292987624165682 - 2.7827595599802923) / 6.292987624165682 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Tests.Perf_Guid.ctor_str

```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 50.14113284317547 < 391.4627543684661.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 3.591359706281812 (T) = (0 -61.87812063314721) / Math.Sqrt((5657.4640181179175 / (299)) + (373.3065610203107 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.2399479136089366 = (81.41300016287248 - 61.87812063314721) / 81.41300016287248 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
Diff	Diff

Improvements in System.Text.Json.Serialization.Tests.ReadJson<LoginViewModel>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
DeserializeFromUtf8Bytes - Duration of single invocation	1.42 μs	1.09 μs	0.77	0.45	False
DeserializeFromString - Duration of single invocation	1.58 μs	1.22 μs	0.77	0.34	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Json.Serialization.Tests.ReadJson<LoginViewModel>*'

Payloads

Baseline
Compare

Histogram

System.Text.Json.Serialization.Tests.ReadJson<LoginViewModel>.DeserializeFromUtf8Bytes

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 1.0939133238930256 < 1.290607983809107.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 8.470745308417246 (T) = (0 -1029.318902984412) / Math.Sqrt((5181.3661652249375 / (299)) + (2641.67104029464 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.07345550413246561 = (1110.9222574579635 - 1029.318902984412) / 1110.9222574579635 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Serialization.Tests.ReadJson&lt;LoginViewModel&gt;.DeserializeFromString

```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 1.2231938078388374 < 1.5946947856641112.
IsChangePoint: Marked as a change because one of 6/22/2022 11:10:17 PM, 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 7.524678765154224 (T) = (0 -1251.6742894759113) / Math.Sqrt((8436.903123546786 / (299)) + (3041.684254763879 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.0605940168477177 = (1332.4103869083074 - 1251.6742894759113) / 1332.4103869083074 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
Diff	Diff

Improvements in System.Memory.MemoryMarshal<Byte>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
CastToByte - Duration of single invocation	10.99 ns	3.27 ns	0.30	0.67	False
AsBytes - Duration of single invocation	13.09 ns	0.77 ns	0.06	0.62	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Memory.MemoryMarshal<Byte>*'

Payloads

Baseline
Compare

Histogram

System.Memory.MemoryMarshal<Byte>.CastToByte

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 3.270549917008115 < 11.791114810895857.
IsChangePoint: Marked as a change because one of 6/23/2022 2:53:57 PM, 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 4.174675503089812 (T) = (0 -1.0393302747586362) / Math.Sqrt((6.957574786999119 / (299)) + (1.4434950333979863 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.5050022329674803 = (2.0996665924158715 - 1.0393302747586362) / 2.0996665924158715 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Memory.MemoryMarshal&lt;Byte&gt;.AsBytes

```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 0.7705011492842456 < 15.511624552862672.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 3.2832880919249208 (T) = (0 -1.1891104587648065) / Math.Sqrt((11.301082344857344 / (299)) + (1.5733766901713637 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.44267159847657034 = (2.133590277320215 - 1.1891104587648065) / 2.133590277320215 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
Diff	Diff

Improvements in System.Text.Json.Tests.Perf_Deep

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
WriteDeepUtf16 - Duration of single invocation	18.90 ms	7.79 ms	0.41	0.52	False

Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Text.Json.Tests.Perf_Deep.WriteDeepUtf16(Formatted: False, SkipValidation: True)

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 7.792975839583334 < 18.018658236943683.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 2.5566118720189266 (T) = (0 -7856947.723130318) / Math.Sqrt((5288313875080.007 / (299)) + (435489129818.42554 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.05346173185871699 = (8300718.510366205 - 7856947.723130318) / 8300718.510366205 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
Diff	Diff

Improvements in System.Collections.IterateForEach<Int32>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
ReadOnlySpan - Duration of single invocation	816.59 ns	223.08 ns	0.27	0.01	False
Span - Duration of single invocation	800.98 ns	229.84 ns	0.29	0.02	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.IterateForEach<Int32>*'

Payloads

Baseline
Compare

Histogram

System.Collections.IterateForEach<Int32>.ReadOnlySpan(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 223.07694776654344 < 775.7433975724101.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 3.4877700402057523 (T) = (0 -222.3708012549061) / Math.Sqrt((13295.28672006623 / (299)) + (0.40448439677422676 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.09469650839511373 = (245.6312201565642 - 222.3708012549061) / 245.6312201565642 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.IterateForEach&lt;Int32&gt;.Span(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 229.84179169496255 < 783.4199644227317.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 3.456160614978453 (T) = (0 -228.0853499504144) / Math.Sqrt((14705.0076438758 / (299)) + (9.733419059273592 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.09630320224224444 = (252.39145531591763 - 228.0853499504144) / 252.39145531591763 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
Diff	Diff

Improvements in System.Tests.Perf_Boolean

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
TryParse - Duration of single invocation	49.18 ns	7.32 ns	0.15	0.59	False
TryParse - Duration of single invocation	121.58 ns	16.02 ns	0.13	0.66	False

Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_Boolean.TryParse(value: "0")

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 7.316733858473548 < 38.13136527532723.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 3.9792653796873294 (T) = (0 -7.451361012720312) / Math.Sqrt((44.64006875388371 / (299)) + (0.2755823283089179 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.17472435978482995 = (9.028936090707289 - 7.451361012720312) / 9.028936090707289 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Tests.Perf_Boolean.TryParse(value: "Bogus")

```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 16.019275564135008 < 114.54476220640453.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 3.322165189987001 (T) = (0 -15.942137856474503) / Math.Sqrt((491.22051217664676 / (299)) + (3.2290351649872653 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.21537822529498607 = (20.31824551704304 - 15.942137856474503) / 20.31824551704304 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
Diff	Diff

Improvements in System.Tests.Perf_UInt64

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
TryParseHex - Duration of single invocation	383.18 ns	48.68 ns	0.13	0.70	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Tests.Perf_UInt64*'

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_UInt64.TryParseHex(value: "FFFFFFFFFFFFFFFF")

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 48.67704401462398 < 354.76311116157154.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 2.0206558111091812 (T) = (0 -63.23140845167552) / Math.Sqrt((4290.465916452041 / (299)) + (562.6749938325271 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.149855689181198 = (74.37726471494618 - 63.23140845167552) / 74.37726471494618 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
Diff	Diff

Improvements in System.Text.RegularExpressions.Tests.Perf_Regex_Common

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Date_IsMatch - Duration of single invocation	559.94 ns	243.74 ns	0.44	0.14	False
Date_IsNotMatch - Duration of single invocation	901.29 ns	310.56 ns	0.34	0.16	False
Date_IsNotMatch - Duration of single invocation	977.99 ns	317.92 ns	0.33	0.19	False

Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Text.RegularExpressions.Tests.Perf_Regex_Common.Date_IsMatch(Options: Compiled)

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 243.74041903800256 < 527.7960207840374.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 4.270754784152798 (T) = (0 -241.17963195573793) / Math.Sqrt((3812.8438875137067 / (299)) + (33.884557832909316 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.061553456574869346 = (256.99879619725965 - 241.17963195573793) / 256.99879619725965 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.RegularExpressions.Tests.Perf_Regex_Common.Date_IsNotMatch(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 310.5578278519196 < 911.2532787964892.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 3.9489608319779217 (T) = (0 -311.5999006177573) / Math.Sqrt((15713.947858851121 / (299)) + (20.554990160890068 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.08457258105090965 = (340.3873361969796 - 311.5999006177573) / 340.3873361969796 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.RegularExpressions.Tests.Perf_Regex_Common.Date_IsNotMatch(Options: IgnoreCase, 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 317.9196774417908 < 927.7098192222866.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 3.8258501545459476 (T) = (0 -311.3898530954692) / Math.Sqrt((15530.216579780936 / (299)) + (20.897106349473606 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.08177277101435608 = (339.1206917697903 - 311.3898530954692) / 339.1206917697903 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
Diff	Diff

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

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
FirstSpanArray - Duration of single invocation	39.13 ns	10.16 ns	0.26	0.64	False
FirstSpanSingleSegment - Duration of single invocation	34.43 ns	10.31 ns	0.30	0.49	False
FirstSpanMemory - Duration of single invocation	42.26 ns	11.69 ns	0.28	0.57	False
FirstSpanTenSegments - Duration of single invocation	34.68 ns	9.14 ns	0.26	0.45	False

Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Buffers.Tests.ReadOnlySequenceTests<Byte>.FirstSpanArray

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 10.157850571547653 < 37.94157102882443.
IsChangePoint: Marked as a change because one of 5/11/2022 7:18:06 PM, 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 6.731464326494993 (T) = (0 -10.869751973746991) / Math.Sqrt((36.419827532992606 / (299)) + (1.3551990220100993 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.19879500333308456 = (13.566755098840039 - 10.869751973746991) / 13.566755098840039 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Tests.ReadOnlySequenceTests&lt;Byte&gt;.FirstSpanSingleSegment

```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 10.313109184857835 < 32.8833230657099.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 3.9776582497046173 (T) = (0 -11.847766985794797) / Math.Sqrt((21.78899191257263 / (299)) + (7.029243295475103 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.14940287079841838 = (13.928764369232915 - 11.847766985794797) / 13.928764369232915 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Tests.ReadOnlySequenceTests&lt;Byte&gt;.FirstSpanMemory

```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 11.69017505480132 < 40.04402996899945.
IsChangePoint: Marked as a change because one of 5/12/2022 12:48:56 AM, 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 4.7214342572787364 (T) = (0 -13.078550654435078) / Math.Sqrt((38.02180933729337 / (299)) + (2.958700482239893 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.142441346068478 = (15.250910937083763 - 13.078550654435078) / 15.250910937083763 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Tests.ReadOnlySequenceTests&lt;Byte&gt;.FirstSpanTenSegments

```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 9.142383304120228 < 33.03367678435897.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 3.0300814205707622 (T) = (0 -11.626833864182252) / Math.Sqrt((30.540174987244093 / (299)) + (11.508904254891675 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.14609183681323432 = (13.616023789714312 - 11.626833864182252) / 13.616023789714312 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
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
GetPathRoot - Duration of single invocation	25.22 ns	2.31 ns	0.09	0.77	False

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_Path*'

Payloads

Baseline
Compare

Histogram

System.IO.Tests.Perf_Path.GetPathRoot

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 2.310405927239521 < 23.317897377059456.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 2.595729901688741 (T) = (0 -3.7499691463467757) / Math.Sqrt((18.285304784043433 / (299)) + (1.0319502641476161 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.17245682945359114 = (4.531448364042147 - 3.7499691463467757) / 4.531448364042147 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
Diff	Diff

Improvements in System.Net.Tests.Perf_WebUtility

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
HtmlDecode_Entities - Duration of single invocation	1.35 μs	397.69 ns	0.29	0.49	False

Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Net.Tests.Perf_WebUtility.HtmlDecode_Entities

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 397.6908742962183 < 1.2939470939727848.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 2.8346593497140082 (T) = (0 -328.4522881112925) / Math.Sqrt((36183.528777660336 / (299)) + (1241.4410727161267 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.09744072851266405 = (363.91215345894443 - 328.4522881112925) / 363.91215345894443 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
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
IsPrefix_FirstHalf - Duration of single invocation	2.63 μs	277.30 ns	0.11	0.37	False
IsSuffix_SecondHalf - Duration of single invocation	2.84 μs	599.50 ns	0.21	0.47	False
IsSuffix_SecondHalf - Duration of single invocation	2.55 μs	313.67 ns	0.12	0.52	False

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.IsPrefix_FirstHalf(Options: (en-US, None, 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 277.3048400900064 < 2.595816465134674.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 2.5649525710273933 (T) = (0 -358.5833741223709) / Math.Sqrt((232289.36415067635 / (299)) + (20654.44668153267 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.2091545736617006 = (453.4177756867749 - 358.5833741223709) / 453.4177756867749 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 599.4994042715933 < 2.702279285658178.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 3.7712846639134474 (T) = (0 -348.4027982363375) / Math.Sqrt((232600.6882594911 / (299)) + (19210.41122964772 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.28278640877298483 = (485.7727216801441 - 348.4027982363375) / 485.7727216801441 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 313.6660726119724 < 2.523469359758478.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 2.1502525283490566 (T) = (0 -426.46269977423447) / Math.Sqrt((224161.14135944366 / (299)) + (20477.271969624726 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.1555545938540654 = (505.0210430069347 - 426.46269977423447) / 505.0210430069347 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
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
NextBytes_unseeded - Duration of single invocation	1.82 μs	327.25 ns	0.18	0.01	False

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.NextBytes_unseeded

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 327.2514291998813 < 1.7253338407580137.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 3.0031165059975526 (T) = (0 -329.2947640587821) / Math.Sqrt((89856.69448500272 / (299)) + (16.357042156280638 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.13660699259882536 = (381.3961443236193 - 329.2947640587821) / 381.3961443236193 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
Diff	Diff

Improvements in System.Numerics.Tests.Perf_BigInteger

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
ModPow - Duration of single invocation	7.55 ms	3.53 ms	0.47	0.11	False

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_BigInteger*'

Payloads

Baseline
Compare

Histogram

System.Numerics.Tests.Perf_BigInteger.ModPow(arguments: 16384,16384,64 bits)

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 3.5312774009523804 < 7.209028122704951.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 4.137041541746436 (T) = (0 -3581508.191350426) / Math.Sqrt((622343205910.6854 / (299)) + (4730269852.602883 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.05157815607063453 = (3776281.845757616 - 3581508.191350426) / 3776281.845757616 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
Diff	Diff

Improvements in System.Memory.ReadOnlySpan

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
StringAsSpan - Duration of single invocation	12.20 ns	3.19 ns	0.26	0.64	False

Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Memory.ReadOnlySpan.StringAsSpan

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 3.1909646357648644 < 11.255066070787223.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 2.6747277049589395 (T) = (0 -1.1879119447030886) / Math.Sqrt((6.365151544002096 / (299)) + (2.1185471713502655 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.39174616235013726 = (1.9529871760330795 - 1.1879119447030886) / 1.9529871760330795 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
Diff	Diff

Improvements in System.Text.Json.Serialization.Tests.WriteJson<Hashtable>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
SerializeToStream - Duration of single invocation	50.87 μs	36.72 μs	0.72	0.61	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Json.Serialization.Tests.WriteJson<Hashtable>*'

Payloads

Baseline
Compare

Histogram

System.Text.Json.Serialization.Tests.WriteJson<Hashtable>.SerializeToStream

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 36.715433196721314 < 49.41523093673592.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 3.8238785240577755 (T) = (0 -33779.829541178246) / Math.Sqrt((16133772.777414566 / (299)) + (6962344.621259571 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.053859496643270444 = (35702.762350130586 - 33779.829541178246) / 35702.762350130586 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
Diff	Diff

Improvements in System.Text.Json.Serialization.Tests.WriteJson<IndexViewModel>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
SerializeObjectProperty - Duration of single invocation	59.86 μs	41.24 μs	0.69	0.31	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Json.Serialization.Tests.WriteJson<IndexViewModel>*'

Payloads

Baseline
Compare

Histogram

System.Text.Json.Serialization.Tests.WriteJson<IndexViewModel>.SerializeObjectProperty

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 41.23702001312336 < 58.14085851749287.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 7.034707447670372 (T) = (0 -41628.38685853416) / Math.Sqrt((14722009.678601693 / (299)) + (2458677.316440031 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.05518975898160955 = (44060.050422044354 - 41628.38685853416) / 44060.050422044354 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
Diff	Diff

Improvements in System.Collections.Tests.Perf_BitArray

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
BitArraySetAll - Duration of single invocation	13.84 ns	7.31 ns	0.53	0.71	False

Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Collections.Tests.Perf_BitArray.BitArraySetAll(Size: 4)

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 7.313586657498685 < 13.415456275590536.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 3.3948730503089135 (T) = (0 -6.478484755502307) / Math.Sqrt((2.338749838663039 / (299)) + (0.9850484401254043 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.09039603839495151 = (7.12231369800836 - 6.478484755502307) / 7.12231369800836 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
Diff	Diff

Improvements in System.Text.Json.Serialization.Tests.WriteJson<MyEventsListerViewModel>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
SerializeToString - Duration of single invocation	1.47 ms	1.17 ms	0.80	0.49	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Json.Serialization.Tests.WriteJson<MyEventsListerViewModel>*'

Payloads

Baseline
Compare

Histogram

System.Text.Json.Serialization.Tests.WriteJson<MyEventsListerViewModel>.SerializeToString

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 1.1675275086805552 < 1.360251237575272.
IsChangePoint: Marked as a change because one of 6/1/2022 3:16:04 PM, 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 9.051540048210029 (T) = (0 -1060120.5399586179) / Math.Sqrt((8206111128.553896 / (299)) + (2596129976.8954916 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.07924999749456851 = (1151366.317756121 - 1060120.5399586179) / 1151366.317756121 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
Diff	Diff

Improvements in System.Buffers.Text.Tests.Utf8FormatterTests

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
FormatterUInt64 - Duration of single invocation	51.61 ns	4.62 ns	0.09	0.71	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Buffers.Text.Tests.Utf8FormatterTests*'

Payloads

Baseline
Compare

Histogram

System.Buffers.Text.Tests.Utf8FormatterTests.FormatterUInt64(value: 12345)

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 4.620096407563074 < 48.83432975799821.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 2.7594902900204574 (T) = (0 -6.71157816019748) / Math.Sqrt((83.83358943753598 / (299)) + (5.0474908606024735 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.21130132331307772 = (8.509686092527417 - 6.71157816019748) / 8.509686092527417 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
Diff	Diff

Improvements in System.Tests.Perf_Byte

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Parse - Duration of single invocation	70.43 ns	38.52 ns	0.55	0.76	False

Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_Byte.Parse(value: "0")

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 38.517477001038664 < 66.19243130090744.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 1.9858447273058661 (T) = (0 -34.158112877151254) / Math.Sqrt((71.56719369429759 / (299)) + (27.26388562776224 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.05541596077314241 = (36.16206865522488 - 34.158112877151254) / 36.16206865522488 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
Diff	Diff

Improvements in System.Tests.Perf_Double

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
ToStringWithCultureInfo - Duration of single invocation	275.31 ns	217.36 ns	0.79	0.39	False
ToStringWithFormat - Duration of single invocation	523.22 ns	439.06 ns	0.84	0.45	False

Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_Double.ToStringWithCultureInfo(value: 12345, culture: zh)

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 217.35585147061002 < 273.22638160025195.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 6.641177386731614 (T) = (0 -225.94694724637446) / Math.Sqrt((248.14597600843126 / (299)) + (143.02705712317203 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.06118467888751851 = (240.6724114585506 - 225.94694724637446) / 240.6724114585506 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Tests.Perf_Double.ToStringWithFormat(value: -1.7976931348623157E+308, format: "R")

```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 439.06460340873036 < 513.1271532587763.
IsChangePoint: Marked as a change because one of 7/3/2022 4:26:07 AM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 8.398345249122922 (T) = (0 -401.17716251199505) / Math.Sqrt((705.3932396944601 / (299)) + (474.0863968789723 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.07705377730834023 = (434.6701385721163 - 401.17716251199505) / 434.6701385721163 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
Diff	Diff

Improvements in System.IO.Tests.BinaryWriterTests

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
WriteUInt32 - Duration of single invocation	29.67 ns	15.77 ns	0.53	0.61	False

Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.IO.Tests.BinaryWriterTests.WriteUInt32

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 15.771847999022178 < 28.227614141954362.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 2.0948019660689403 (T) = (0 -7.5152188042236014) / Math.Sqrt((43.478325254122865 / (299)) + (20.793043173886527 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.1933540294283529 = (9.316625977686071 - 7.5152188042236014) / 9.316625977686071 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
Diff	Diff

Improvements in System.Text.Json.Tests.Perf_Strings

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
WriteStringsUtf8 - Duration of single invocation	36.86 ms	16.24 ms	0.44	0.42	False
WriteStringsUtf8 - Duration of single invocation	13.41 ms	7.69 ms	0.57	0.43	False

Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Text.Json.Tests.Perf_Strings.WriteStringsUtf8(Formatted: False, SkipValidation: True, Escaped: OneEscaped)

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 16.239298116666667 < 34.90840830250001.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 4.090637295678493 (T) = (0 -16453685.687160553) / Math.Sqrt((17698940808977.332 / (299)) + (427449126293.013 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.06229635028153702 = (17546786.441644568 - 16453685.687160553) / 17546786.441644568 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Strings.WriteStringsUtf8(Formatted: False, SkipValidation: True, Escaped: NoneEscaped)

```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 7.687364853365385 < 12.959184414583333.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 3.2603054848792308 (T) = (0 -8075973.201218409) / Math.Sqrt((1726267774591.3118 / (299)) + (494494192135.9915 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.05388341264159041 = (8535917.569912612 - 8075973.201218409) / 8535917.569912612 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
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	13.94 ms	5.96 ms	0.43	0.26	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\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: "[a-zA-Z]+ing", Options: Compiled)

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 5.961857576530611 < 14.68472460177871.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 5.098618624102833 (T) = (0 -6039091.226988559) / Math.Sqrt((3257632385574.299 / (299)) + (28610578666.18449 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.0837209551742992 = (6590886.543888325 - 6039091.226988559) / 6590886.543888325 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	arm64
OS	ubuntu 18.04
Baseline	a33b9d82d45edd2ca47db710ff06a87aa0eb9cbd
Compare	3cf8f49b111ebb809607555bba70465f67157533
Diff	Diff

Improvements in System.Tests.Perf_UInt32

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
TryFormat - Duration of single invocation	50.30 ns	11.17 ns	0.22	0.68	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Tests.Perf_UInt32*'

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_UInt32.TryFormat(value: 4294967295)

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 11.168305789484887 < 42.65832221537279.
IsChangePoint: Marked as a change because one of 5/5/2022 12:13:02 AM, 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 7/14/2022 8:56:55 AM falls between 7/5/2022 7:51:46 PM and 7/14/2022 8:56:55 AM.
IsImprovementStdDev: Marked as improvement because 7.8585525940633705 (T) = (0 -12.761538869190508) / Math.Sqrt((90.76163109138339 / (299)) + (7.700810478701535 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.308237497879842 = (18.447861556644263 - 12.761538869190508) / 18.447861556644263 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

[AndyAyersMS]

dotnet/runtime#71673