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[Perf] Changes at 3/1/2022 10:24:04 PM #3862

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performanceautofiler bot opened this issue Mar 4, 2022 · 2 comments
Closed

[Perf] Changes at 3/1/2022 10:24:04 PM #3862

performanceautofiler bot opened this issue Mar 4, 2022 · 2 comments
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arch-x64 branch-refs/heads/main kind-micro os-windows perf-regression runtime-coreclr

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performanceautofiler bot commented Mar 4, 2022 •
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Run Information

Architecture x64
OS Windows 10.0.18362
Baseline 1665aca8f09eba553c8e411a8c01105d71dcabbf
Compare 96d7d903140d11f31143647d5e6f8678016cbc41
Diff Diff

Regressions in System.Collections.Sort<Int32>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
List - Duration of single invocation 3.61 μs 6.82 μs 1.89 0.34 False
LinqOrderByExtension - Duration of single invocation 48.17 μs 51.63 μs 1.07 0.01 False
Array - Duration of single invocation 3.72 μs 8.88 μs 2.39 0.40 False
Array_ComparerStruct - Duration of single invocation 30.21 μs 32.58 μs 1.08 0.00 False
Array_ComparerClass - Duration of single invocation 24.58 μs 27.23 μs 1.11 0.02 False

graph
graph
graph
graph
graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.Sort&lt;Int32&gt;*'

Payloads

Baseline
Compare

Histogram

System.Collections.Sort<Int32>.List(Size: 512)

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 6.822082666666666 > 3.784590169230769.
IsChangePoint: Marked as a change because one of 2/3/2022 10:14:29 PM, 3/1/2022 7:43:37 PM, 3/4/2022 7:13:54 PM falls between 2/24/2022 3:52:46 AM and 3/4/2022 7:13:54 PM.
IsRegressionStdDev: Marked as regression because -14.251053813722145 (T) = (0 -6999.392797820344) / Math.Sqrt((4580.478519552548 / (51)) + (1078834.9734569676 / (19))) is less than -1.9954689314290597 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (19) - 2, .025) and -0.9438089929667146 = (3600.8645001367167 - 6999.392797820344) / 3600.8645001367167 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.Sort&lt;Int32&gt;.LinqOrderByExtension(Size: 512)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 51.63362933333334 > 50.03194979999999.
IsChangePoint: Marked as a change because one of 1/25/2022 11:23:52 PM, 3/1/2022 7:43:37 PM, 3/4/2022 7:13:54 PM falls between 2/24/2022 3:52:46 AM and 3/4/2022 7:13:54 PM.
IsRegressionStdDev: Marked as regression because -45.97859123599601 (T) = (0 -51449.89266203972) / Math.Sqrt((157379.63443269127 / (51)) + (56448.99598908674 / (19))) is less than -1.9954689314290597 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (19) - 2, .025) and -0.07474847367764771 = (47871.56615908926 - 51449.89266203972) / 47871.56615908926 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.Sort&lt;Int32&gt;.Array(Size: 512)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 8.877968000000001 > 3.8232982941176465.
IsChangePoint: Marked as a change because one of 2/3/2022 10:14:29 PM, 3/1/2022 7:43:37 PM, 3/4/2022 7:13:54 PM falls between 2/24/2022 3:52:46 AM and 3/4/2022 7:13:54 PM.
IsRegressionStdDev: Marked as regression because -16.737438112119765 (T) = (0 -7354.201544268057) / Math.Sqrt((8238.070398060301 / (51)) + (928707.7111298083 / (19))) is less than -1.9954689314290597 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (19) - 2, .025) and -1.0161387740031806 = (3647.666340777619 - 7354.201544268057) / 3647.666340777619 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.Sort&lt;Int32&gt;.Array_ComparerStruct(Size: 512)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 32.57755833333333 > 32.4591407.
IsChangePoint: Marked as a change because one of 1/24/2022 12:53:54 PM, 3/1/2022 7:43:37 PM, 3/4/2022 1:10:06 AM, 3/4/2022 7:13:54 PM falls between 2/24/2022 3:52:46 AM and 3/4/2022 7:13:54 PM.
IsRegressionStdDev: Marked as regression because -8.305439595796454 (T) = (0 -32836.44842857143) / Math.Sqrt((148159.1905557939 / (67)) + (172579.70018947325 / (3))) is less than -1.9954689314290597 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (67) + (3) - 2, .025) and -0.06589392888987997 = (30806.48790519928 - 32836.44842857143) / 30806.48790519928 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.Sort&lt;Int32&gt;.Array_ComparerClass(Size: 512)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 27.233072 > 25.9223272.
IsChangePoint: Marked as a change because one of 1/12/2022 9:32:51 PM, 2/4/2022 6:00:25 PM, 2/12/2022 12:09:13 AM, 3/1/2022 7:43:37 PM, 3/4/2022 7:13:54 PM falls between 2/24/2022 3:52:46 AM and 3/4/2022 7:13:54 PM.
IsRegressionStdDev: Marked as regression because -34.21141462013524 (T) = (0 -27210.25311625217) / Math.Sqrt((11705.763079811824 / (51)) + (102681.64488658193 / (19))) is less than -1.9954689314290597 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (19) - 2, .025) and -0.10420530669458998 = (24642.385751346694 - 27210.25311625217) / 24642.385751346694 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

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

### Run Information
Architecture x64
OS Windows 10.0.18362
Baseline 1665aca8f09eba553c8e411a8c01105d71dcabbf
Compare 96d7d903140d11f31143647d5e6f8678016cbc41
Diff Diff

Regressions in System.Net.Http.Tests.SocketsHttpHandlerPerfTest

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
Get - Duration of single invocation 146.07 μs 331.46 μs 2.27 0.09 True
Get_EnumerateHeaders_Unvalidated - Duration of single invocation 148.03 μs 290.64 μs 1.96 0.07 True

graph
graph
Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Net.Http.Tests.SocketsHttpHandlerPerfTest.Get(ssl: True, chunkedResponse: False, responseLength: 100000)

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 331.465 > 154.3220190800716.
IsChangePoint: Marked as a change because one of 3/1/2022 7:43:37 PM, 3/4/2022 7:13:54 PM falls between 2/24/2022 3:52:46 AM and 3/4/2022 7:13:54 PM.
IsRegressionStdDev: Marked as regression because -13.835572640381645 (T) = (0 -249511.40062876488) / Math.Sqrt((11035417.797658581 / (51)) + (995295179.5151367 / (19))) is less than -1.9954689314290597 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (19) - 2, .025) and -0.6726938843345487 = (149167.40173772353 - 249511.40062876488) / 149167.40173772353 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

```#### System.Net.Http.Tests.SocketsHttpHandlerPerfTest.Get_EnumerateHeaders_Unvalidated(ssl: True, chunkedResponse: False, responseLength: 100000)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 290.64 > 155.64669366348525.
IsChangePoint: Marked as a change because one of 3/1/2022 7:43:37 PM, 3/4/2022 7:13:54 PM falls between 2/24/2022 3:52:46 AM and 3/4/2022 7:13:54 PM.
IsRegressionStdDev: Marked as regression because -13.146846767274605 (T) = (0 -247518.32376152105) / Math.Sqrt((6343349.42077621 / (51)) + (1094948217.5967135 / (19))) is less than -1.9954689314290597 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (19) - 2, .025) and -0.6768609189212015 = (147608.14147947374 - 247518.32376152105) / 147608.14147947374 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

Docs

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

Run Information

Architecture x64
OS Windows 10.0.18362
Baseline 1665aca8f09eba553c8e411a8c01105d71dcabbf
Compare 96d7d903140d11f31143647d5e6f8678016cbc41
Diff Diff

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

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
FirstSpanArray - Duration of single invocation 7.68 ns 8.81 ns 1.15 0.00 True

graph
Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

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

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 8.814900960098003 > 8.054336832520672.
IsChangePoint: Marked as a change because one of 3/1/2022 7:43:37 PM, 3/4/2022 7:13:54 PM falls between 2/24/2022 3:52:46 AM and 3/4/2022 7:13:54 PM.
IsRegressionStdDev: Marked as regression because -121.64438109967416 (T) = (0 -8.843061348019774) / Math.Sqrt((0.00015341853183232015 / (51)) + (0.0017138318963956553 / (19))) is less than -1.9954689314290597 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (19) - 2, .025) and -0.1531456099507269 = (7.668642426169954 - 8.843061348019774) / 7.668642426169954 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

Docs

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

Run Information

Architecture x64
OS Windows 10.0.18362
Baseline 1665aca8f09eba553c8e411a8c01105d71dcabbf
Compare 96d7d903140d11f31143647d5e6f8678016cbc41
Diff Diff

Regressions in System.Collections.CtorFromCollection<Int32>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ConcurrentDictionary - Duration of single invocation 60.70 μs 81.98 μs 1.35 0.00 True

graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.CtorFromCollection&lt;Int32&gt;*'

Payloads

Baseline
Compare

Histogram

System.Collections.CtorFromCollection<Int32>.ConcurrentDictionary(Size: 512)

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 81.98311848958335 > 64.17516981813152.
IsChangePoint: Marked as a change because one of 3/1/2022 7:43:37 PM, 3/4/2022 7:13:54 PM falls between 2/24/2022 3:52:46 AM and 3/4/2022 7:13:54 PM.
IsRegressionStdDev: Marked as regression because -126.18591109727157 (T) = (0 -81857.8237225234) / Math.Sqrt((110703.98091777062 / (51)) + (472555.21116504096 / (19))) is less than -1.9954689314290597 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (19) - 2, .025) and -0.3395764114981409 = (61107.244812542005 - 81857.8237225234) / 61107.244812542005 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

Docs

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

Run Information

Architecture x64
OS Windows 10.0.18362
Baseline 1665aca8f09eba553c8e411a8c01105d71dcabbf
Compare 96d7d903140d11f31143647d5e6f8678016cbc41
Diff Diff

Regressions in System.Tests.Perf_Byte

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ToString - Duration of single invocation 8.79 ns 10.16 ns 1.16 0.20 False

graph
Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_Byte.ToString(value: 255)

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 10.155413233491684 > 9.293046833352605.
IsChangePoint: Marked as a change because one of 2/2/2022 11:04:24 PM, 3/1/2022 7:43:37 PM, 3/4/2022 7:13:54 PM falls between 2/24/2022 3:52:46 AM and 3/4/2022 7:13:54 PM.
IsRegressionStdDev: Marked as regression because -28.517214396703945 (T) = (0 -9.91652253985492) / Math.Sqrt((0.07790348130127758 / (51)) + (0.027912396846778955 / (19))) is less than -1.9954689314290597 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (19) - 2, .025) and -0.18683176764193865 = (8.355457622740923 - 9.91652253985492) / 8.355457622740923 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

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

Run Information

Architecture x64
OS Windows 10.0.18362
Baseline 1665aca8f09eba553c8e411a8c01105d71dcabbf
Compare 96d7d903140d11f31143647d5e6f8678016cbc41
Diff Diff

Regressions in System.Text.Tests.Perf_Encoding

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
GetString - Duration of single invocation 22.63 ns 24.62 ns 1.09 0.06 False

graph
Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Text.Tests.Perf_Encoding.GetString(size: 16, encName: "utf-8")

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 24.615061623151078 > 23.67447059303638.
IsChangePoint: Marked as a change because one of 2/15/2022 5:17:31 AM, 3/1/2022 7:43:37 PM, 3/4/2022 7:13:54 PM falls between 2/24/2022 3:52:46 AM and 3/4/2022 7:13:54 PM.
IsRegressionStdDev: Marked as regression because -20.431800916275638 (T) = (0 -24.0737049670612) / Math.Sqrt((0.1863253529029329 / (51)) + (0.09132077400245463 / (19))) is less than -1.9954689314290597 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (19) - 2, .025) and -0.0846724738234492 = (22.194446294190413 - 24.0737049670612) / 22.194446294190413 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

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

Run Information

Architecture x64
OS Windows 10.0.18362
Baseline 1665aca8f09eba553c8e411a8c01105d71dcabbf
Compare 96d7d903140d11f31143647d5e6f8678016cbc41
Diff Diff

Regressions in System.Text.Tests.Perf_StringBuilder

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
Append_Char_Capacity - Duration of single invocation 163.71 μs 210.63 μs 1.29 0.01 True
Append_Char - Duration of single invocation 164.91 μs 179.84 μs 1.09 0.00 True

graph
graph
Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

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

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 210.63241071428573 > 171.91298860677082.
IsChangePoint: Marked as a change because one of 3/1/2022 7:43:37 PM, 3/4/2022 7:13:54 PM falls between 2/24/2022 3:52:46 AM and 3/4/2022 7:13:54 PM.
IsRegressionStdDev: Marked as regression because -27.073698651571977 (T) = (0 -205310.78276582606) / Math.Sqrt((2396195.2828666517 / (51)) + (42795019.09266845 / (19))) is less than -1.9954689314290597 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (19) - 2, .025) and -0.24993433072079466 = (164257.25553712115 - 205310.78276582606) / 164257.25553712115 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

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

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 179.83553639846744 > 173.49888059210525.
IsChangePoint: Marked as a change because one of 3/1/2022 7:43:37 PM, 3/4/2022 7:13:54 PM falls between 2/24/2022 3:52:46 AM and 3/4/2022 7:13:54 PM.
IsRegressionStdDev: Marked as regression because -120.38223213612379 (T) = (0 -180327.93743442735) / Math.Sqrt((359345.18879857025 / (51)) + (181872.72215367362 / (19))) is less than -1.9954689314290597 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (19) - 2, .025) and -0.09416146550047325 = (164809.25633032116 - 180327.93743442735) / 164809.25633032116 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

Docs

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

Run Information

Architecture x64
OS Windows 10.0.18362
Baseline 1665aca8f09eba553c8e411a8c01105d71dcabbf
Compare 96d7d903140d11f31143647d5e6f8678016cbc41
Diff Diff

Regressions in System.Memory.ReadOnlySpan

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
IndexOfString - Duration of single invocation 33.18 ns 39.08 ns 1.18 0.17 False
IndexOfString - Duration of single invocation 15.67 ns 18.99 ns 1.21 0.01 True
IndexOfString - Duration of single invocation 39.33 ns 46.57 ns 1.18 0.16 False

graph
graph
graph
Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Memory.ReadOnlySpan.IndexOfString(input: "ABCDE", value: "c", comparisonType: InvariantCultureIgnoreCase)

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 39.08355784130242 > 34.593364895964335.
IsChangePoint: Marked as a change because one of 3/1/2022 7:43:37 PM, 3/4/2022 7:13:54 PM falls between 2/24/2022 3:52:46 AM and 3/4/2022 7:13:54 PM.
IsRegressionStdDev: Marked as regression because -20.46196602816899 (T) = (0 -39.928411490515074) / Math.Sqrt((0.7071502235537802 / (51)) + (1.5465740927975706 / (19))) is less than -1.9954689314290597 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (19) - 2, .025) and -0.18789156167892931 = (33.61284209653067 - 39.928411490515074) / 33.61284209653067 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Memory.ReadOnlySpan.IndexOfString(input: "Hello Worldbbbbbbbbbbbbbbcbbbbbbbbbbbbbbbbbbba!", value: "y", comparisonType: Ordinal)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 18.987419675165327 > 16.432298051907328.
IsChangePoint: Marked as a change because one of 1/25/2022 4:50:09 PM, 3/1/2022 7:43:37 PM, 3/4/2022 7:13:54 PM falls between 2/24/2022 3:52:46 AM and 3/4/2022 7:13:54 PM.
IsRegressionStdDev: Marked as regression because -109.57051536954147 (T) = (0 -19.251846521644065) / Math.Sqrt((0.0011980070960618992 / (51)) + (0.020015602309648106 / (19))) is less than -1.9954689314290597 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (19) - 2, .025) and -0.22967129907636835 = (15.656091620666862 - 19.251846521644065) / 15.656091620666862 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

```#### System.Memory.ReadOnlySpan.IndexOfString(input: "string1", value: "string2", comparisonType: InvariantCulture)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 46.56703570899768 > 41.325599132090126.
IsChangePoint: Marked as a change because one of 3/1/2022 7:43:37 PM, 3/4/2022 7:13:54 PM falls between 2/24/2022 3:52:46 AM and 3/4/2022 7:13:54 PM.
IsRegressionStdDev: Marked as regression because -23.386419250849055 (T) = (0 -46.60850455531698) / Math.Sqrt((0.8399103886680702 / (51)) + (1.2731802667745589 / (19))) is less than -1.9954689314290597 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (19) - 2, .025) and -0.16955292623260246 = (39.85155653062546 - 46.60850455531698) / 39.85155653062546 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

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

Run Information

Architecture x64
OS Windows 10.0.18362
Baseline 1665aca8f09eba553c8e411a8c01105d71dcabbf
Compare 96d7d903140d11f31143647d5e6f8678016cbc41
Diff Diff

Regressions in Benchstone.BenchI.IniArray

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
Test - Duration of single invocation 56.26 ms 70.37 ms 1.25 0.14 True

graph
Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

Benchstone.BenchI.IniArray.Test

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 70.36962375 > 59.0758883125.
IsChangePoint: Marked as a change because one of 3/1/2022 7:43:37 PM, 3/4/2022 7:13:54 PM falls between 2/24/2022 3:52:46 AM and 3/4/2022 7:13:54 PM.
IsRegressionStdDev: Marked as regression because -22.402039877938233 (T) = (0 -85264725.65789473) / Math.Sqrt((2402931976474.972 / (51)) + (28195156914261.523 / (19))) is less than -1.9954689314290597 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (19) - 2, .025) and -0.4816993429204503 = (57545227.42099403 - 85264725.65789473) / 57545227.42099403 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

Docs

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

Run Information

Architecture x64
OS Windows 10.0.18362
Baseline 1665aca8f09eba553c8e411a8c01105d71dcabbf
Compare 96d7d903140d11f31143647d5e6f8678016cbc41
Diff Diff

Regressions in System.Tests.Perf_Char

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
Char_ToUpperInvariant - Duration of single invocation 25.46 ns 37.46 ns 1.47 0.17 False

graph
Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_Char.Char_ToUpperInvariant(input: "Hello World!")

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 37.45764873427834 > 26.873033371753305.
IsChangePoint: Marked as a change because one of 1/5/2022 7:59:55 AM, 1/16/2022 3:05:07 AM, 3/1/2022 7:43:37 PM, 3/4/2022 7:13:54 PM falls between 2/24/2022 3:52:46 AM and 3/4/2022 7:13:54 PM.
IsRegressionStdDev: Marked as regression because -10.596169287882216 (T) = (0 -34.841810285848375) / Math.Sqrt((5.76089105486309 / (51)) + (4.3943518850571035 / (19))) is less than -1.9954689314290597 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (19) - 2, .025) and -0.21718853858515633 = (28.624826131166195 - 34.841810285848375) / 28.624826131166195 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository
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performanceautofiler bot commented Mar 4, 2022 •
edited
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Run Information

Architecture x64
OS Windows 10.0.18362
Baseline 1665aca8f09eba553c8e411a8c01105d71dcabbf
Compare 96d7d903140d11f31143647d5e6f8678016cbc41
Diff Diff

Regressions in System.Collections.Sort<IntClass>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
List - Duration of single invocation 38.04 μs 42.25 μs 1.11 0.10 False
Array - Duration of single invocation 37.68 μs 43.57 μs 1.16 0.12 False

graph
graph
Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Collections.Sort<IntClass>.List(Size: 512)

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 42.25064533333334 > 40.70986500000001.
IsChangePoint: Marked as a change because one of 1/11/2022 5:54:05 PM, 1/18/2022 10:00:35 AM, 3/1/2022 7:43:37 PM, 3/4/2022 7:13:54 PM falls between 2/24/2022 3:52:46 AM and 3/4/2022 7:13:54 PM.
IsRegressionStdDev: Marked as regression because -14.232137287636123 (T) = (0 -43308.09127125505) / Math.Sqrt((1456064.0179869449 / (51)) + (820611.3411030945 / (19))) is less than -1.9954689314290597 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (19) - 2, .025) and -0.09651562746331376 = (39496.10036242189 - 43308.09127125505) / 39496.10036242189 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.Sort&lt;IntClass&gt;.Array(Size: 512)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 43.56921466666667 > 41.157882.
IsChangePoint: Marked as a change because one of 3/1/2022 7:43:37 PM, 3/4/2022 7:13:54 PM falls between 2/24/2022 3:52:46 AM and 3/4/2022 7:13:54 PM.
IsRegressionStdDev: Marked as regression because -18.341128929416595 (T) = (0 -43713.82350877193) / Math.Sqrt((886878.7663598959 / (51)) + (801520.2814117929 / (19))) is less than -1.9954689314290597 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (19) - 2, .025) and -0.11409357097276719 = (39237.12033505709 - 43713.82350877193) / 39237.12033505709 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

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

### Run Information
Architecture x64
OS Windows 10.0.18362
Baseline 1665aca8f09eba553c8e411a8c01105d71dcabbf
Compare 96d7d903140d11f31143647d5e6f8678016cbc41
Diff Diff

Regressions 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
BitArrayByteArrayCtor - Duration of single invocation 167.52 ns 178.15 ns 1.06 0.00 True

graph
Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Collections.Tests.Perf_BitArray.BitArrayByteArrayCtor(Size: 512)

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 178.15183684201742 > 176.4202808290676.
IsChangePoint: Marked as a change because one of 1/11/2022 2:18:34 PM, 1/18/2022 7:04:48 PM, 3/1/2022 7:43:37 PM, 3/4/2022 7:13:54 PM falls between 2/24/2022 3:52:46 AM and 3/4/2022 7:13:54 PM.
IsRegressionStdDev: Marked as regression because -66.23309673181791 (T) = (0 -178.36932616798336) / Math.Sqrt((0.5813460577263849 / (51)) + (0.16260157493882524 / (19))) is less than -1.9954689314290597 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (19) - 2, .025) and -0.055360833407523354 = (169.01264526945616 - 178.36932616798336) / 169.01264526945616 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

Docs

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

Run Information

Architecture x64
OS Windows 10.0.18362
Baseline 1665aca8f09eba553c8e411a8c01105d71dcabbf
Compare 96d7d903140d11f31143647d5e6f8678016cbc41
Diff Diff

Regressions in System.Collections.TryGetValueFalse<Int32, Int32>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
SortedDictionary - Duration of single invocation 66.26 μs 69.84 μs 1.05 0.00 False

graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.TryGetValueFalse&lt;Int32, Int32&gt;*'

Payloads

Baseline
Compare

Histogram

System.Collections.TryGetValueFalse<Int32, Int32>.SortedDictionary(Size: 512)

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 69.83585937499998 > 68.97697268907561.
IsChangePoint: Marked as a change because one of 1/13/2022 9:58:37 AM, 1/24/2022 12:53:54 PM, 3/1/2022 7:43:37 PM, 3/4/2022 7:13:54 PM falls between 2/24/2022 3:52:46 AM and 3/4/2022 7:13:54 PM.
IsRegressionStdDev: Marked as regression because -29.632110110149753 (T) = (0 -69782.40866390728) / Math.Sqrt((248039.8866966085 / (51)) + (296237.5716228616 / (19))) is less than -1.9954689314290597 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (19) - 2, .025) and -0.06465863240445938 = (65544.39755615228 - 69782.40866390728) / 65544.39755615228 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

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

Run Information

Architecture x64
OS Windows 10.0.18362
Baseline 1665aca8f09eba553c8e411a8c01105d71dcabbf
Compare 96d7d903140d11f31143647d5e6f8678016cbc41
Diff Diff

Regressions in System.Tests.Perf_Single

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ToStringWithFormat - Duration of single invocation 157.68 ns 174.40 ns 1.11 0.00 True

graph
Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_Single.ToStringWithFormat(value: 3.4028235E+38, format: "E")

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 174.39674445932386 > 164.96009856143144.
IsChangePoint: Marked as a change because one of 2/3/2022 1:33:37 PM, 3/1/2022 7:43:37 PM, 3/4/2022 7:13:54 PM falls between 2/24/2022 3:52:46 AM and 3/4/2022 7:13:54 PM.
IsRegressionStdDev: Marked as regression because -47.26166769092959 (T) = (0 -174.6802400075919) / Math.Sqrt((0.42326478917228855 / (40)) + (2.4879603260066236 / (19))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (40) + (19) - 2, .025) and -0.11331947838877243 = (156.90037172473987 - 174.6802400075919) / 156.90037172473987 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

Docs

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

Run Information

Architecture x64
OS Windows 10.0.18362
Baseline 1665aca8f09eba553c8e411a8c01105d71dcabbf
Compare 96d7d903140d11f31143647d5e6f8678016cbc41
Diff Diff

Regressions in System.Collections.CtorFromCollection<String>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ImmutableList - Duration of single invocation 12.87 μs 14.77 μs 1.15 0.06 False

graph
Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Collections.CtorFromCollection<String>.ImmutableList(Size: 512)

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 14.773032319391634 > 13.483295262847703.
IsChangePoint: Marked as a change because one of 2/7/2022 6:53:40 AM, 2/7/2022 2:49:00 PM, 2/23/2022 6:59:06 PM, 2/24/2022 10:17:16 AM, 3/1/2022 7:43:37 PM, 3/4/2022 7:13:54 PM falls between 2/24/2022 3:52:46 AM and 3/4/2022 7:13:54 PM.
IsRegressionStdDev: Marked as regression because -4.615677033897076 (T) = (0 -14721.292564111041) / Math.Sqrt((2670759.231780556 / (51)) + (37727.39613511083 / (19))) is less than -1.9954689314290597 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (19) - 2, .025) and -0.07886224652738211 = (13645.201332696191 - 14721.292564111041) / 13645.201332696191 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

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

Run Information

Architecture x64
OS Windows 10.0.18362
Baseline 1665aca8f09eba553c8e411a8c01105d71dcabbf
Compare 96d7d903140d11f31143647d5e6f8678016cbc41
Diff Diff

Regressions in Benchstone.BenchF.Simpsn

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
Test - Duration of single invocation 159.82 ms 240.20 ms 1.50 0.09 True

graph
Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

Benchstone.BenchF.Simpsn.Test

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 240.19988 > 167.9069989423077.
IsChangePoint: Marked as a change because one of 3/1/2022 7:43:37 PM, 3/4/2022 7:13:54 PM falls between 2/24/2022 3:52:46 AM and 3/4/2022 7:13:54 PM.
IsRegressionStdDev: Marked as regression because -104.76423997938664 (T) = (0 -239118085.60150376) / Math.Sqrt((14343322079722.943 / (51)) + (5251800345894.571 / (19))) is less than -1.9954689314290597 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (19) - 2, .025) and -0.4862742742750512 = (160884225.57009983 - 239118085.60150376) / 160884225.57009983 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

Docs

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

Run Information

Architecture x64
OS Windows 10.0.18362
Baseline 1665aca8f09eba553c8e411a8c01105d71dcabbf
Compare 96d7d903140d11f31143647d5e6f8678016cbc41
Diff Diff

Regressions in System.Text.Perf_Utf8Encoding

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
GetString - Duration of single invocation 215.15 μs 238.07 μs 1.11 0.00 True

graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Perf_Utf8Encoding*'

Payloads

Baseline
Compare

Histogram

System.Text.Perf_Utf8Encoding.GetString(Input: Cyrillic)

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 238.0668876262626 > 226.8253470571694.
IsChangePoint: Marked as a change because one of 3/1/2022 7:43:37 PM, 3/4/2022 7:13:54 PM falls between 2/24/2022 3:52:46 AM and 3/4/2022 7:13:54 PM.
IsRegressionStdDev: Marked as regression because -56.402748286845934 (T) = (0 -238412.09626940766) / Math.Sqrt((1492484.913518203 / (51)) + (2407703.5890258183 / (19))) is less than -1.9954689314290597 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (19) - 2, .025) and -0.10306610011621352 = (216135.82018728502 - 238412.09626940766) / 216135.82018728502 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

Docs

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

Run Information

Architecture x64
OS Windows 10.0.18362
Baseline 1665aca8f09eba553c8e411a8c01105d71dcabbf
Compare 96d7d903140d11f31143647d5e6f8678016cbc41
Diff Diff

Regressions in System.Collections.Sort<IntStruct>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
Array_ComparerClass - Duration of single invocation 24.98 μs 27.73 μs 1.11 0.02 False

graph
Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Collections.Sort<IntStruct>.Array_ComparerClass(Size: 512)

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 27.73057333333333 > 26.25891575.
IsChangePoint: Marked as a change because one of 3/1/2022 7:43:37 PM, 3/4/2022 7:13:54 PM falls between 2/24/2022 3:52:46 AM and 3/4/2022 7:13:54 PM.
IsRegressionStdDev: Marked as regression because -17.32746275248753 (T) = (0 -27948.636888567573) / Math.Sqrt((159925.72960261552 / (51)) + (686134.5267702427 / (19))) is less than -1.9954689314290597 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (19) - 2, .025) and -0.1400223125081318 = (24515.86831408461 - 27948.636888567573) / 24515.86831408461 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
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 AndyAyersMS mentioned this issue Mar 6, 2022
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Closing because it's stale.

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