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[Perf] Linux/arm64: 23 Regressions on 1/15/2023 10:11:50 PM #11812

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performanceautofiler bot opened this issue Jan 17, 2023 · 3 comments
Closed

[Perf] Linux/arm64: 23 Regressions on 1/15/2023 10:11:50 PM #11812

performanceautofiler bot opened this issue Jan 17, 2023 · 3 comments
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@jandupej
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ampere arch-arm64 branch-refs/heads/main kind-micro_mono LinkedFromMaster Is this issue linked from the master perf issue mono-aot os-linux perf-regression runtime-mono

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performanceautofiler bot commented Jan 17, 2023 •
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Run Information

Architecture arm64
OS ubuntu 20.04
Baseline 2eca2d319bf8d1247edf38facfdd501e0e2f0030
Compare 51a8dd5323721b363e61069575511f783e7ea6d3
Diff Diff

Regressions in System.Tests.Perf_Version

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ToString4 - Duration of single invocation 282.20 ns 518.39 ns 1.84 0.07 False
TryFormat2 - Duration of single invocation 128.15 ns 252.25 ns 1.97 0.05 False
TryFormat4 - Duration of single invocation 229.06 ns 513.22 ns 2.24 0.06 False
TryFormat3 - Duration of single invocation 180.64 ns 361.73 ns 2.00 0.04 False
ToString3 - Duration of single invocation 227.05 ns 407.12 ns 1.79 0.03 False
ToString2 - Duration of single invocation 176.75 ns 289.99 ns 1.64 0.09 False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_Version*'

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_Version.ToString4

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 518.3933850288806 > 297.2185183205381.
IsChangePoint: Marked as a change because one of 1/5/2023 4:05:11 PM, 1/15/2023 4:47:52 PM, 1/17/2023 2:54:07 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 2:54:07 AM.
IsRegressionStdDev: Marked as regression because -31.30763292467035 (T) = (0 -520.8933178003447) / Math.Sqrt((1217.5510665655727 / (29)) + (82.65652153313515 / (4))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (4) - 2, .025) and -0.907401229589154 = (273.0905850954824 - 520.8933178003447) / 273.0905850954824 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.Tests.Perf_Version.TryFormat2

```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 252.2509953335034 > 135.07487000789942.
IsChangePoint: Marked as a change because one of 1/5/2023 4:05:11 PM, 1/15/2023 4:47:52 PM, 1/17/2023 2:54:07 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 2:54:07 AM.
IsRegressionStdDev: Marked as regression because -10.468324247959641 (T) = (0 -257.31727584175917) / Math.Sqrt((298.7768224429304 / (29)) + (614.778885563809 / (4))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (4) - 2, .025) and -1.0876248471918089 = (123.25838916311629 - 257.31727584175917) / 123.25838916311629 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.Tests.Perf_Version.TryFormat4

```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 513.219790831496 > 241.14954417960448.
IsChangePoint: Marked as a change because one of 1/5/2023 4:05:11 PM, 1/15/2023 4:47:52 PM, 1/17/2023 2:54:07 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 2:54:07 AM.
IsRegressionStdDev: Marked as regression because -14.009259754068745 (T) = (0 -501.1741939085715) / Math.Sqrt((973.9835333790621 / (29)) + (1424.8290474701837 / (4))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (4) - 2, .025) and -1.2315374926802913 = (224.58694758769795 - 501.1741939085715) / 224.58694758769795 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.Tests.Perf_Version.TryFormat3

```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 361.73277315660823 > 189.33212675061367.
IsChangePoint: Marked as a change because one of 1/5/2023 4:05:11 PM, 1/15/2023 4:47:52 PM, 1/17/2023 2:54:07 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 2:54:07 AM.
IsRegressionStdDev: Marked as regression because -39.514174421716355 (T) = (0 -359.44849092888603) / Math.Sqrt((579.5809909434189 / (29)) + (7.042651568373354 / (4))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (4) - 2, .025) and -1.0518493888610678 = (175.18268781336198 - 359.44849092888603) / 175.18268781336198 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.Tests.Perf_Version.ToString3

```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 407.12352601611093 > 238.66953425363985.
IsChangePoint: Marked as a change because one of 1/5/2023 4:05:11 PM, 1/15/2023 4:47:52 PM, 1/17/2023 2:54:07 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 2:54:07 AM.
IsRegressionStdDev: Marked as regression because -33.69567241469823 (T) = (0 -408.97539514945066) / Math.Sqrt((755.4698355244612 / (29)) + (22.261645836013344 / (4))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (4) - 2, .025) and -0.8631226343091074 = (219.51072227787571 - 408.97539514945066) / 219.51072227787571 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.Tests.Perf_Version.ToString2

```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 289.99491180503617 > 184.91569132922888.
IsChangePoint: Marked as a change because one of 1/5/2023 4:05:11 PM, 1/15/2023 4:47:52 PM, 1/17/2023 2:54:07 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 2:54:07 AM.
IsRegressionStdDev: Marked as regression because -30.42392562429144 (T) = (0 -292.66179952256743) / Math.Sqrt((435.1413484292566 / (29)) + (4.893085927121546 / (4))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (4) - 2, .025) and -0.7205124198447704 = (170.10153262885032 - 292.66179952256743) / 170.10153262885032 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 arm64
OS ubuntu 20.04
Baseline 2eca2d319bf8d1247edf38facfdd501e0e2f0030
Compare 51a8dd5323721b363e61069575511f783e7ea6d3
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 61.10 ns 123.29 ns 2.02 0.24 False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --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 123.29189239771264 > 64.08943196844815.
IsChangePoint: Marked as a change because one of 1/5/2023 4:05:11 PM, 1/15/2023 4:47:52 PM, 1/17/2023 2:54:07 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 2:54:07 AM.
IsRegressionStdDev: Marked as regression because -12.919256180504641 (T) = (0 -130.48973787072285) / Math.Sqrt((51.31715727652316 / (29)) + (113.37483601218293 / (4))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (4) - 2, .025) and -1.18962346060201 = (59.594601637509996 - 130.48973787072285) / 59.594601637509996 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 arm64
OS ubuntu 20.04
Baseline 2eca2d319bf8d1247edf38facfdd501e0e2f0030
Compare 51a8dd5323721b363e61069575511f783e7ea6d3
Diff Diff

Regressions in System.Tests.Perf_UInt64

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
TryFormat - Duration of single invocation 103.09 ns 175.49 ns 1.70 0.04 False
ToString - Duration of single invocation 83.19 ns 157.93 ns 1.90 0.25 False
TryFormat - Duration of single invocation 55.05 ns 122.55 ns 2.23 0.07 False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_UInt64*'

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_UInt64.TryFormat(value: 12345)

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 175.49398868868207 > 108.52347686059835.
IsChangePoint: Marked as a change because one of 1/5/2023 4:05:11 PM, 1/15/2023 4:47:52 PM, 1/17/2023 2:54:07 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 2:54:07 AM.
IsRegressionStdDev: Marked as regression because -25.046853139391597 (T) = (0 -177.3844151109116) / Math.Sqrt((246.514720880968 / (29)) + (3.5385937867923922 / (4))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (4) - 2, .025) and -0.7623382959235112 = (100.65287437787734 - 177.3844151109116) / 100.65287437787734 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.Tests.Perf_UInt64.ToString(value: 12345)

```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 157.93174328761 > 87.46145421410287.
IsChangePoint: Marked as a change because one of 1/5/2023 4:05:11 PM, 1/15/2023 4:47:52 PM, 1/17/2023 2:54:07 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 2:54:07 AM.
IsRegressionStdDev: Marked as regression because -19.897300437887612 (T) = (0 -161.59292722523105) / Math.Sqrt((116.33757830089691 / (29)) + (48.92867765336518 / (4))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (4) - 2, .025) and -0.9851802926418726 = (81.39962290789398 - 161.59292722523105) / 81.39962290789398 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.Tests.Perf_UInt64.TryFormat(value: 0)

```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 122.54674375250407 > 57.39506357543181.
IsChangePoint: Marked as a change because one of 1/5/2023 4:05:11 PM, 1/15/2023 4:47:52 PM, 1/17/2023 2:54:07 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 2:54:07 AM.
IsRegressionStdDev: Marked as regression because -24.004226257792986 (T) = (0 -116.51698687027364) / Math.Sqrt((52.15388993229916 / (29)) + (20.4305723721296 / (4))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (4) - 2, .025) and -1.1805208774501914 = (53.435391550354545 - 116.51698687027364) / 53.435391550354545 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 arm64
OS ubuntu 20.04
Baseline 2eca2d319bf8d1247edf38facfdd501e0e2f0030
Compare 51a8dd5323721b363e61069575511f783e7ea6d3
Diff Diff

Regressions in System.Perf_Convert

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ChangeType - Duration of single invocation 113.49 ns 195.64 ns 1.72 0.22 False
ToDateTime_String - Duration of single invocation 544.26 ns 717.89 ns 1.32 0.16 False
ToDateTime_String - Duration of single invocation 842.93 ns 1.12 μs 1.33 0.11 False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Perf_Convert*'

Payloads

Baseline
Compare

Histogram

System.Perf_Convert.ChangeType

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 195.64150506727984 > 119.5331875627133.
IsChangePoint: Marked as a change because one of 1/5/2023 4:05:11 PM, 1/15/2023 4:47:52 PM, 1/17/2023 2:54:07 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 2:54:07 AM.
IsRegressionStdDev: Marked as regression because -17.947982476390344 (T) = (0 -189.08759685957614) / Math.Sqrt((119.00255079428516 / (29)) + (57.06472433011126 / (4))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (4) - 2, .025) and -0.6858330101927991 = (112.16270871214657 - 189.08759685957614) / 112.16270871214657 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.Perf_Convert.ToDateTime_String(value: "12/12/1999")

```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 717.8908912826823 > 556.0558242779923.
IsChangePoint: Marked as a change because one of 1/5/2023 4:05:11 PM, 1/11/2023 1:25:06 PM, 1/17/2023 2:54:07 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 2:54:07 AM.
IsRegressionStdDev: Marked as regression because -17.968433373438753 (T) = (0 -716.1471046737704) / Math.Sqrt((1786.6858267832438 / (22)) + (412.3800421909065 / (11))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (11) - 2, .025) and -0.3761998957982898 = (520.38014743371 - 716.1471046737704) / 520.38014743371 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.Perf_Convert.ToDateTime_String(value: "February 26, 2009")

```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 1.1226367729088553 > 874.674837711032.
IsChangePoint: Marked as a change because one of 1/5/2023 4:05:11 PM, 1/11/2023 1:25:06 PM, 1/17/2023 2:54:07 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 2:54:07 AM.
IsRegressionStdDev: Marked as regression because -17.6977521281601 (T) = (0 -1133.0227635976896) / Math.Sqrt((4894.042041295501 / (22)) + (723.1655286770713 / (11))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (11) - 2, .025) and -0.3608602757600211 = (832.5783210659981 - 1133.0227635976896) / 832.5783210659981 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 arm64
OS ubuntu 20.04
Baseline 2eca2d319bf8d1247edf38facfdd501e0e2f0030
Compare 51a8dd5323721b363e61069575511f783e7ea6d3
Diff Diff

Regressions in System.Tests.Perf_UInt16

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ToString - Duration of single invocation 73.84 ns 136.01 ns 1.84 0.21 False
ToString - Duration of single invocation 73.45 ns 135.32 ns 1.84 0.24 False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_UInt16*'

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_UInt16.ToString(value: 12345)

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 136.01047015600153 > 77.29488017226666.
IsChangePoint: Marked as a change because one of 1/5/2023 4:05:11 PM, 1/15/2023 4:47:52 PM, 1/17/2023 2:54:07 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 2:54:07 AM.
IsRegressionStdDev: Marked as regression because -29.237218231314106 (T) = (0 -136.01027204815608) / Math.Sqrt((87.90622485678898 / (29)) + (6.919557849457579 / (4))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (4) - 2, .025) and -0.8834188611889292 = (72.21456408390117 - 136.01027204815608) / 72.21456408390117 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.Tests.Perf_UInt16.ToString(value: 65535)

```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 135.31903371290426 > 77.27159624296235.
IsChangePoint: Marked as a change because one of 1/5/2023 4:05:11 PM, 1/15/2023 4:47:52 PM, 1/17/2023 2:54:07 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 2:54:07 AM.
IsRegressionStdDev: Marked as regression because -14.734695543466803 (T) = (0 -140.15716001431252) / Math.Sqrt((87.14680268503432 / (29)) + (72.95793996859366 / (4))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (4) - 2, .025) and -0.9400986554427714 = (72.24228501015362 - 140.15716001431252) / 72.24228501015362 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 arm64
OS ubuntu 20.04
Baseline 2eca2d319bf8d1247edf38facfdd501e0e2f0030
Compare 51a8dd5323721b363e61069575511f783e7ea6d3
Diff Diff

Regressions in System.Tests.Perf_Int32

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ToString - Duration of single invocation 75.85 ns 135.26 ns 1.78 0.16 False
TryFormat - Duration of single invocation 48.34 ns 106.65 ns 2.21 0.07 False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_Int32*'

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_Int32.ToString(value: 12345)

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 135.2569006320894 > 79.73832039637735.
IsChangePoint: Marked as a change because one of 1/5/2023 4:05:11 PM, 1/15/2023 4:47:52 PM, 1/17/2023 2:54:07 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 2:54:07 AM.
IsRegressionStdDev: Marked as regression because -24.595919723298394 (T) = (0 -137.91664538204287) / Math.Sqrt((91.74745986731341 / (29)) + (13.983336515355289 / (4))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (4) - 2, .025) and -0.8526175214839936 = (74.44420868456871 - 137.91664538204287) / 74.44420868456871 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.Tests.Perf_Int32.TryFormat(value: 4)

```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 106.64705343496699 > 51.05132438560979.
IsChangePoint: Marked as a change because one of 1/5/2023 4:05:11 PM, 1/15/2023 4:47:52 PM, 1/17/2023 2:54:07 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 2:54:07 AM.
IsRegressionStdDev: Marked as regression because -38.238221719326475 (T) = (0 -104.83397295795035) / Math.Sqrt((39.595032519059146 / (29)) + (3.4533807227677134 / (4))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (4) - 2, .025) and -1.1955268674508328 = (47.748890943735184 - 104.83397295795035) / 47.748890943735184 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 arm64
OS ubuntu 20.04
Baseline 2eca2d319bf8d1247edf38facfdd501e0e2f0030
Compare 51a8dd5323721b363e61069575511f783e7ea6d3
Diff Diff

Regressions in System.Tests.Perf_SByte

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ToString - Duration of single invocation 63.87 ns 146.35 ns 2.29 0.11 False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_SByte*'

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_SByte.ToString(value: 127)

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 146.34702744099272 > 66.93208171110663.
IsChangePoint: Marked as a change because one of 1/5/2023 4:05:11 PM, 1/15/2023 4:47:52 PM, 1/17/2023 2:54:07 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 2:54:07 AM.
IsRegressionStdDev: Marked as regression because -12.865050120027567 (T) = (0 -131.03190123032977) / Math.Sqrt((54.47790172985848 / (29)) + (107.77781818143659 / (4))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (4) - 2, .025) and -1.114671866612271 = (61.96323093863465 - 131.03190123032977) / 61.96323093863465 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 arm64
OS ubuntu 20.04
Baseline 2eca2d319bf8d1247edf38facfdd501e0e2f0030
Compare 51a8dd5323721b363e61069575511f783e7ea6d3
Diff Diff

Regressions in System.Tests.Perf_Int16

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ToString - Duration of single invocation 75.28 ns 156.55 ns 2.08 0.17 False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_Int16*'

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_Int16.ToString(value: 32767)

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 156.5548803884584 > 79.46221361567447.
IsChangePoint: Marked as a change because one of 1/5/2023 4:05:11 PM, 1/15/2023 4:47:52 PM, 1/17/2023 2:54:07 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 2:54:07 AM.
IsRegressionStdDev: Marked as regression because -15.136526788087266 (T) = (0 -143.88049915797347) / Math.Sqrt((89.3118255616012 / (29)) + (72.53030703953962 / (4))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (4) - 2, .025) and -0.939966418381 = (74.16648958183978 - 143.88049915797347) / 74.16648958183978 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 arm64
OS ubuntu 20.04
Baseline 2eca2d319bf8d1247edf38facfdd501e0e2f0030
Compare 51a8dd5323721b363e61069575511f783e7ea6d3
Diff Diff

Regressions in System.Tests.Perf_UInt32

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ToString - Duration of single invocation 73.86 ns 137.06 ns 1.86 0.23 False
TryFormat - Duration of single invocation 48.92 ns 117.37 ns 2.40 0.10 False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_UInt32*'

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_UInt32.ToString(value: 12345)

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 137.0567077387886 > 77.51722252529997.
IsChangePoint: Marked as a change because one of 1/5/2023 4:05:11 PM, 1/15/2023 4:47:52 PM, 1/17/2023 2:54:07 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 2:54:07 AM.
IsRegressionStdDev: Marked as regression because -34.93711695576984 (T) = (0 -136.80265260325876) / Math.Sqrt((86.76198265790568 / (29)) + (1.6181806006377688 / (4))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (4) - 2, .025) and -0.8891089461012717 = (72.41649714569984 - 136.80265260325876) / 72.41649714569984 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.Tests.Perf_UInt32.TryFormat(value: 0)

```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 117.3715162977933 > 49.71181089145755.
IsChangePoint: Marked as a change because one of 1/5/2023 4:05:11 PM, 1/15/2023 4:47:52 PM, 1/17/2023 2:54:07 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 2:54:07 AM.
IsRegressionStdDev: Marked as regression because -11.361244587287167 (T) = (0 -112.8401124396114) / Math.Sqrt((41.371395527954405 / (29)) + (132.64104579682288 / (4))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (4) - 2, .025) and -1.4517690524340259 = (46.02395659068618 - 112.8401124396114) / 46.02395659068618 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 arm64
OS ubuntu 20.04
Baseline 2eca2d319bf8d1247edf38facfdd501e0e2f0030
Compare 51a8dd5323721b363e61069575511f783e7ea6d3
Diff Diff

Regressions in System.Tests.Perf_Int64

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ToString - Duration of single invocation 85.72 ns 168.30 ns 1.96 0.23 False
TryFormat - Duration of single invocation 106.09 ns 177.34 ns 1.67 0.05 False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_Int64*'

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_Int64.ToString(value: 12345)

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 168.30295808392117 > 89.2528362514212.
IsChangePoint: Marked as a change because one of 1/5/2023 4:05:11 PM, 1/15/2023 4:47:52 PM, 1/17/2023 2:54:07 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 2:54:07 AM.
IsRegressionStdDev: Marked as regression because -26.501035467390782 (T) = (0 -162.22356212970993) / Math.Sqrt((124.15594926072579 / (29)) + (18.33136625480424 / (4))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (4) - 2, .025) and -0.9469225030663942 = (83.32307108999385 - 162.22356212970993) / 83.32307108999385 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.Tests.Perf_Int64.TryFormat(value: 12345)

```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 177.33673805974175 > 110.41773800110636.
IsChangePoint: Marked as a change because one of 1/5/2023 4:05:11 PM, 1/15/2023 4:47:52 PM, 1/17/2023 2:54:07 AM falls between 1/8/2023 8:00:22 AM and 1/17/2023 2:54:07 AM.
IsRegressionStdDev: Marked as regression because -16.32163720261547 (T) = (0 -180.55125301073167) / Math.Sqrt((248.81873526779827 / (29)) + (59.83029366050442 / (4))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (4) - 2, .025) and -0.7811811182758703 = (101.36602682241536 - 180.55125301073167) / 101.36602682241536 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
@lewing
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lewing commented Jan 29, 2023

dotnet/runtime#80745

@EgorBo
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EgorBo commented Jan 31, 2023

dotnet/runtime#80762

@naricc naricc assigned jandupej and unassigned EgorBo Jan 31, 2023
@naricc naricc added LinkedFromMaster Is this issue linked from the master perf issue and removed untriaged labels Jan 31, 2023
@naricc naricc mentioned this issue Jan 31, 2023
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@kotlarmilos
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Mitigated by dotnet/runtime#81695.

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@jandupej jandupej

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ampere arch-arm64 branch-refs/heads/main kind-micro_mono LinkedFromMaster Is this issue linked from the master perf issue mono-aot os-linux perf-regression runtime-mono
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