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[Perf] Linux/x64: 18 Regressions on 10/11/2022 6:23:40 AM #78807

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performanceautofiler bot opened this issue Oct 18, 2022 · 5 comments
Closed

[Perf] Linux/x64: 18 Regressions on 10/11/2022 6:23:40 AM #78807

performanceautofiler bot opened this issue Oct 18, 2022 · 5 comments
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@kotlarmilos
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arch-x64 area-System.Runtime os-linux Linux OS (any supported distro)

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Run Information

Architecture x64
OS ubuntu 18.04
Baseline 6dc320ed049427c93a6d04c51494d1072c376d62
Compare 2b07c8c46523b816b1eac5c8af092e52b20a69d2
Diff Diff

Regressions in System.Buffers.Text.Tests.Utf8FormatterTests

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
FormatterUInt32 - Duration of single invocation 152.33 ns 192.75 ns 1.27 0.25 False
FormatterUInt32 - Duration of single invocation 213.83 ns 252.86 ns 1.18 0.15 False
FormatterUInt64 - Duration of single invocation 370.84 ns 405.93 ns 1.09 0.08 False
FormatterInt32 - Duration of single invocation 232.55 ns 262.36 ns 1.13 0.18 False
FormatterInt32 - Duration of single invocation 148.26 ns 197.95 ns 1.34 0.28 False
FormatterInt64 - Duration of single invocation 148.31 ns 185.73 ns 1.25 0.29 False
FormatterInt64 - Duration of single invocation 369.53 ns 395.86 ns 1.07 0.09 False
FormatterInt64 - Duration of single invocation 363.41 ns 409.90 ns 1.13 0.05 False
FormatterInt32 - Duration of single invocation 220.48 ns 260.46 ns 1.18 0.15 False
FormatterUInt64 - Duration of single invocation 143.23 ns 182.81 ns 1.28 0.24 False

Test Report

Repro

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

Related Issues

Regressions

Improvements

Payloads

Baseline
Compare

Histogram

Edge Detector Info

Collection Data

System.Buffers.Text.Tests.Utf8FormatterTests.FormatterUInt32(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.
IsRegressionWindowed: Marked as regression because 192.7466587965271 > 150.31149049239374.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -14.886437043002031 (T) = (0 -188.176745421056) / Math.Sqrt((42.33086811189175 / (20)) + (143.47216739345262 / (24))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (20) + (24) - 2, .025) and -0.2904422142070574 = (145.82345753210316 - 188.176745421056) / 145.82345753210316 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8FormatterTests.FormatterUInt32(value: 4294967295)

```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.
IsRegressionWindowed: Marked as regression because 252.86354755359773 > 224.51479279942896.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -21.72795417415383 (T) = (0 -255.96399922256597) / Math.Sqrt((24.722496386561197 / (21)) + (52.89276267087137 / (26))) is less than -2.0141033888794695 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (26) - 2, .025) and -0.1794191356111916 = (217.02547592626757 - 255.96399922256597) / 217.02547592626757 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8FormatterTests.FormatterUInt64(value: 18446744073709551615)

```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.
IsRegressionWindowed: Marked as regression because 405.92819575034315 > 391.1011400397257.
IsChangePoint: Marked as a change because one of 7/27/2022 9:27:06 AM, 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -20.545331485125455 (T) = (0 -412.5200475360655) / Math.Sqrt((39.78161944908861 / (21)) + (38.296372497762476 / (29))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (29) - 2, .025) and -0.09805699041972853 = (375.6818190086665 - 412.5200475360655) / 375.6818190086665 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt32(value: -2147483648)

```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.
IsRegressionWindowed: Marked as regression because 262.3566663552401 > 236.59572227297386.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -15.57646780216867 (T) = (0 -266.654632838925) / Math.Sqrt((78.46743822355002 / (21)) + (48.539330391996984 / (27))) is less than -2.0128955989180297 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (27) - 2, .025) and -0.15931325301416896 = (230.0108552590367 - 266.654632838925) / 230.0108552590367 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt32(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.
IsRegressionWindowed: Marked as regression because 197.94857000527702 > 158.97337070159054.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -25.31865247323474 (T) = (0 -194.71182796487506) / Math.Sqrt((17.918156836872335 / (21)) + (59.506387664893495 / (28))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (28) - 2, .025) and -0.28934353670055496 = (151.0162516214607 - 194.71182796487506) / 151.0162516214607 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt64(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.
IsRegressionWindowed: Marked as regression because 185.73373735445696 > 155.24933261385056.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -20.529577407862952 (T) = (0 -194.49373155849474) / Math.Sqrt((42.47824621634966 / (21)) + (56.58362887664199 / (26))) is less than -2.0141033888794695 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (26) - 2, .025) and -0.27599383537883593 = (152.42529091118263 - 194.49373155849474) / 152.42529091118263 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt64(value: -9223372036854775808)

```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.
IsRegressionWindowed: Marked as regression because 395.85662358787545 > 387.87457575708015.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -21.46505535667229 (T) = (0 -405.0119859314129) / Math.Sqrt((15.114610550862476 / (21)) + (48.97001261779973 / (28))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (28) - 2, .025) and -0.09083539005863223 = (371.28607086138226 - 405.0119859314129) / 371.28607086138226 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt64(value: 9223372036854775807)

```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.
IsRegressionWindowed: Marked as regression because 409.89715428380174 > 381.1476298683836.
IsChangePoint: Marked as a change because one of 10/10/2022 3:36:43 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -21.76238479668897 (T) = (0 -404.7672605951341) / Math.Sqrt((41.97510802924001 / (19)) + (27.63295687647416 / (29))) is less than -2.0128955989180297 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (19) + (29) - 2, .025) and -0.10571335850097396 = (366.0688889061455 - 404.7672605951341) / 366.0688889061455 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt32(value: 2147483647)

```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.
IsRegressionWindowed: Marked as regression because 260.4588855291428 > 231.32798532243436.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -20.57307895596767 (T) = (0 -265.58716558311124) / Math.Sqrt((64.79196958285081 / (20)) + (19.154463697251103 / (26))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (20) + (26) - 2, .025) and -0.18268422905959492 = (224.56303978475427 - 265.58716558311124) / 224.56303978475427 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8FormatterTests.FormatterUInt64(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.
IsRegressionWindowed: Marked as regression because 182.80911482535555 > 149.42308291503124.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -18.810995955976068 (T) = (0 -185.9029388118418) / Math.Sqrt((26.945764935341913 / (21)) + (94.37867200424941 / (28))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (28) - 2, .025) and -0.2792430637126192 = (145.3226084121295 - 185.9029388118418) / 145.3226084121295 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

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

### Run Information
Architecture x64
OS ubuntu 18.04
Baseline 6dc320ed049427c93a6d04c51494d1072c376d62
Compare d6c8ba1f7806c03b90047bcf8fa4eabdf0e143a3
Diff Diff

Regressions in System.Text.Json.Tests.Perf_Basic

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
WriteBasicUtf8 - Duration of single invocation 33.60 ms 38.70 ms 1.15 0.06 False
WriteBasicUtf16 - Duration of single invocation 32.37 ms 38.41 ms 1.19 0.07 False
WriteBasicUtf8 - Duration of single invocation 32.08 ms 36.43 ms 1.14 0.08 False
WriteBasicUtf16 - Duration of single invocation 25.91 ms 30.33 ms 1.17 0.08 False
WriteBasicUtf16 - Duration of single invocation 25.35 ms 28.77 ms 1.13 0.10 False
WriteBasicUtf8 - Duration of single invocation 25.98 ms 29.77 ms 1.15 0.06 False
WriteBasicUtf8 - Duration of single invocation 24.45 ms 28.16 ms 1.15 0.09 False
WriteBasicUtf16 - Duration of single invocation 33.76 ms 38.35 ms 1.14 0.06 False

Test Report

Repro

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

Related Issues

Regressions

Improvements

Payloads

Baseline
Compare

Histogram

Edge Detector Info

Collection Data

System.Text.Json.Tests.Perf_Basic.WriteBasicUtf8(Formatted: True, SkipValidation: False, DataSize: 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.
IsRegressionWindowed: Marked as regression because 38.70090977777778 > 35.685253114285715.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -24.995044230626974 (T) = (0 -38358490.88522685) / Math.Sqrt((291318870359.5321 / (21)) + (354980231806.8258 / (27))) is less than -2.0128955989180297 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (27) - 2, .025) and -0.11995970918204645 = (34249884.67954947 - 38358490.88522685) / 34249884.67954947 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted: True, SkipValidation: True, DataSize: 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.
IsRegressionWindowed: Marked as regression because 38.40975075555555 > 34.11774590825893.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -30.678716164995723 (T) = (0 -37002717.97801138) / Math.Sqrt((155495441467.53387 / (20)) + (373254212003.2538 / (28))) is less than -2.0128955989180297 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (20) + (28) - 2, .025) and -0.13694227067366277 = (32545819.54815214 - 37002717.97801138) / 32545819.54815214 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Basic.WriteBasicUtf8(Formatted: True, SkipValidation: True, DataSize: 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.
IsRegressionWindowed: Marked as regression because 36.42933093877551 > 33.6801360065625.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -28.039487923616537 (T) = (0 -36803719.49848758) / Math.Sqrt((152525677594.43253 / (21)) + (525959041567.533 / (29))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (29) - 2, .025) and -0.13820099155283058 = (32334991.597816844 - 36803719.49848758) / 32334991.597816844 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted: False, SkipValidation: False, DataSize: 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.
IsRegressionWindowed: Marked as regression because 30.331360108333335 > 27.275550617948717.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -25.353959244289744 (T) = (0 -30350990.346016485) / Math.Sqrt((153383579600.65338 / (21)) + (489163689154.253 / (24))) is less than -2.016692199226234 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (24) - 2, .025) and -0.16143442760022844 = (26132332.24774309 - 30350990.346016485) / 26132332.24774309 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted: False, SkipValidation: True, DataSize: 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.
IsRegressionWindowed: Marked as regression because 28.77235501785714 > 25.995557273365385.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -29.922907793179196 (T) = (0 -28594227.959406905) / Math.Sqrt((169956113334.06198 / (21)) + (226465276563.48505 / (26))) is less than -2.0141033888794695 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (26) - 2, .025) and -0.15694023401680954 = (24715389.022412933 - 28594227.959406905) / 24715389.022412933 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Basic.WriteBasicUtf8(Formatted: False, SkipValidation: False, DataSize: 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.
IsRegressionWindowed: Marked as regression because 29.773368783333336 > 27.141453636111113.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -29.883432030901982 (T) = (0 -30021906.475315228) / Math.Sqrt((179970760156.46677 / (20)) + (194373688424.16504 / (26))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (20) + (26) - 2, .025) and -0.14647451223687732 = (26186283.388664022 - 30021906.475315228) / 26186283.388664022 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Basic.WriteBasicUtf8(Formatted: False, SkipValidation: True, DataSize: 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.
IsRegressionWindowed: Marked as regression because 28.16228899259259 > 25.889498238750004.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -31.555354772511347 (T) = (0 -28666220.40937831) / Math.Sqrt((153150888445.5182 / (20)) + (213926647614.144 / (25))) is less than -2.016692199226234 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (20) + (25) - 2, .025) and -0.1630209534111644 = (24648068.74312943 - 28666220.40937831) / 24648068.74312943 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted: True, SkipValidation: False, DataSize: 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.
IsRegressionWindowed: Marked as regression because 38.35225327777778 > 35.58799518214286.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -17.185958819718092 (T) = (0 -38161380.42963575) / Math.Sqrt((707005932006.5905 / (21)) + (344585523746.143 / (28))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (28) - 2, .025) and -0.1068821585693834 = (34476461.775261015 - 38161380.42963575) / 34476461.775261015 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository
@performanceautofiler performanceautofiler bot added refs/heads/main untriaged New issue has not been triaged by the area owner labels Oct 18, 2022
@kotlarmilos
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Looks like regression in 5892ef2

@kotlarmilos kotlarmilos removed the untriaged New issue has not been triaged by the area owner label Oct 18, 2022
@kotlarmilos kotlarmilos mentioned this issue Oct 26, 2022
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@kotlarmilos kotlarmilos self-assigned this Nov 24, 2022
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I couldn't figure out the best area label to add to this issue. If you have write-permissions please help me learn by adding exactly one area label.

@kotlarmilos kotlarmilos transferred this issue from dotnet/perf-autofiling-issues Nov 24, 2022
@ghost ghost added the untriaged New issue has not been triaged by the area owner label Nov 24, 2022
@kotlarmilos kotlarmilos removed the untriaged New issue has not been triaged by the area owner label Nov 24, 2022
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ghost commented Nov 25, 2022

Tagging subscribers to this area: @dotnet/area-system-runtime
See info in area-owners.md if you want to be subscribed.

Issue Details

Run Information

Architecture x64
OS ubuntu 18.04
Baseline 6dc320ed049427c93a6d04c51494d1072c376d62
Compare 2b07c8c46523b816b1eac5c8af092e52b20a69d2
Diff Diff

Regressions in System.Buffers.Text.Tests.Utf8FormatterTests

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
FormatterUInt32 - Duration of single invocation 152.33 ns 192.75 ns 1.27 0.25 False
FormatterUInt32 - Duration of single invocation 213.83 ns 252.86 ns 1.18 0.15 False
FormatterUInt64 - Duration of single invocation 370.84 ns 405.93 ns 1.09 0.08 False
FormatterInt32 - Duration of single invocation 232.55 ns 262.36 ns 1.13 0.18 False
FormatterInt32 - Duration of single invocation 148.26 ns 197.95 ns 1.34 0.28 False
FormatterInt64 - Duration of single invocation 148.31 ns 185.73 ns 1.25 0.29 False
FormatterInt64 - Duration of single invocation 369.53 ns 395.86 ns 1.07 0.09 False
FormatterInt64 - Duration of single invocation 363.41 ns 409.90 ns 1.13 0.05 False
FormatterInt32 - Duration of single invocation 220.48 ns 260.46 ns 1.18 0.15 False
FormatterUInt64 - Duration of single invocation 143.23 ns 182.81 ns 1.28 0.24 False

Test Report

Repro

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

Related Issues

Regressions

Improvements

Payloads

Baseline
Compare

Histogram

Edge Detector Info

Collection Data

System.Buffers.Text.Tests.Utf8FormatterTests.FormatterUInt32(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.
IsRegressionWindowed: Marked as regression because 192.7466587965271 > 150.31149049239374.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -14.886437043002031 (T) = (0 -188.176745421056) / Math.Sqrt((42.33086811189175 / (20)) + (143.47216739345262 / (24))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (20) + (24) - 2, .025) and -0.2904422142070574 = (145.82345753210316 - 188.176745421056) / 145.82345753210316 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8FormatterTests.FormatterUInt32(value: 4294967295)

```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.
IsRegressionWindowed: Marked as regression because 252.86354755359773 > 224.51479279942896.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -21.72795417415383 (T) = (0 -255.96399922256597) / Math.Sqrt((24.722496386561197 / (21)) + (52.89276267087137 / (26))) is less than -2.0141033888794695 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (26) - 2, .025) and -0.1794191356111916 = (217.02547592626757 - 255.96399922256597) / 217.02547592626757 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8FormatterTests.FormatterUInt64(value: 18446744073709551615)

```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.
IsRegressionWindowed: Marked as regression because 405.92819575034315 > 391.1011400397257.
IsChangePoint: Marked as a change because one of 7/27/2022 9:27:06 AM, 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -20.545331485125455 (T) = (0 -412.5200475360655) / Math.Sqrt((39.78161944908861 / (21)) + (38.296372497762476 / (29))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (29) - 2, .025) and -0.09805699041972853 = (375.6818190086665 - 412.5200475360655) / 375.6818190086665 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt32(value: -2147483648)

```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.
IsRegressionWindowed: Marked as regression because 262.3566663552401 > 236.59572227297386.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -15.57646780216867 (T) = (0 -266.654632838925) / Math.Sqrt((78.46743822355002 / (21)) + (48.539330391996984 / (27))) is less than -2.0128955989180297 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (27) - 2, .025) and -0.15931325301416896 = (230.0108552590367 - 266.654632838925) / 230.0108552590367 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt32(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.
IsRegressionWindowed: Marked as regression because 197.94857000527702 > 158.97337070159054.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -25.31865247323474 (T) = (0 -194.71182796487506) / Math.Sqrt((17.918156836872335 / (21)) + (59.506387664893495 / (28))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (28) - 2, .025) and -0.28934353670055496 = (151.0162516214607 - 194.71182796487506) / 151.0162516214607 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt64(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.
IsRegressionWindowed: Marked as regression because 185.73373735445696 > 155.24933261385056.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -20.529577407862952 (T) = (0 -194.49373155849474) / Math.Sqrt((42.47824621634966 / (21)) + (56.58362887664199 / (26))) is less than -2.0141033888794695 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (26) - 2, .025) and -0.27599383537883593 = (152.42529091118263 - 194.49373155849474) / 152.42529091118263 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt64(value: -9223372036854775808)

```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.
IsRegressionWindowed: Marked as regression because 395.85662358787545 > 387.87457575708015.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -21.46505535667229 (T) = (0 -405.0119859314129) / Math.Sqrt((15.114610550862476 / (21)) + (48.97001261779973 / (28))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (28) - 2, .025) and -0.09083539005863223 = (371.28607086138226 - 405.0119859314129) / 371.28607086138226 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt64(value: 9223372036854775807)

```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.
IsRegressionWindowed: Marked as regression because 409.89715428380174 > 381.1476298683836.
IsChangePoint: Marked as a change because one of 10/10/2022 3:36:43 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -21.76238479668897 (T) = (0 -404.7672605951341) / Math.Sqrt((41.97510802924001 / (19)) + (27.63295687647416 / (29))) is less than -2.0128955989180297 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (19) + (29) - 2, .025) and -0.10571335850097396 = (366.0688889061455 - 404.7672605951341) / 366.0688889061455 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt32(value: 2147483647)

```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.
IsRegressionWindowed: Marked as regression because 260.4588855291428 > 231.32798532243436.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -20.57307895596767 (T) = (0 -265.58716558311124) / Math.Sqrt((64.79196958285081 / (20)) + (19.154463697251103 / (26))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (20) + (26) - 2, .025) and -0.18268422905959492 = (224.56303978475427 - 265.58716558311124) / 224.56303978475427 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8FormatterTests.FormatterUInt64(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.
IsRegressionWindowed: Marked as regression because 182.80911482535555 > 149.42308291503124.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -18.810995955976068 (T) = (0 -185.9029388118418) / Math.Sqrt((26.945764935341913 / (21)) + (94.37867200424941 / (28))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (28) - 2, .025) and -0.2792430637126192 = (145.3226084121295 - 185.9029388118418) / 145.3226084121295 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

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

### Run Information
Architecture x64
OS ubuntu 18.04
Baseline 6dc320ed049427c93a6d04c51494d1072c376d62
Compare d6c8ba1f7806c03b90047bcf8fa4eabdf0e143a3
Diff Diff

Regressions in System.Text.Json.Tests.Perf_Basic

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
WriteBasicUtf8 - Duration of single invocation 33.60 ms 38.70 ms 1.15 0.06 False
WriteBasicUtf16 - Duration of single invocation 32.37 ms 38.41 ms 1.19 0.07 False
WriteBasicUtf8 - Duration of single invocation 32.08 ms 36.43 ms 1.14 0.08 False
WriteBasicUtf16 - Duration of single invocation 25.91 ms 30.33 ms 1.17 0.08 False
WriteBasicUtf16 - Duration of single invocation 25.35 ms 28.77 ms 1.13 0.10 False
WriteBasicUtf8 - Duration of single invocation 25.98 ms 29.77 ms 1.15 0.06 False
WriteBasicUtf8 - Duration of single invocation 24.45 ms 28.16 ms 1.15 0.09 False
WriteBasicUtf16 - Duration of single invocation 33.76 ms 38.35 ms 1.14 0.06 False

Test Report

Repro

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

Related Issues

Regressions

Improvements

Payloads

Baseline
Compare

Histogram

Edge Detector Info

Collection Data

System.Text.Json.Tests.Perf_Basic.WriteBasicUtf8(Formatted: True, SkipValidation: False, DataSize: 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.
IsRegressionWindowed: Marked as regression because 38.70090977777778 > 35.685253114285715.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -24.995044230626974 (T) = (0 -38358490.88522685) / Math.Sqrt((291318870359.5321 / (21)) + (354980231806.8258 / (27))) is less than -2.0128955989180297 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (27) - 2, .025) and -0.11995970918204645 = (34249884.67954947 - 38358490.88522685) / 34249884.67954947 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted: True, SkipValidation: True, DataSize: 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.
IsRegressionWindowed: Marked as regression because 38.40975075555555 > 34.11774590825893.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -30.678716164995723 (T) = (0 -37002717.97801138) / Math.Sqrt((155495441467.53387 / (20)) + (373254212003.2538 / (28))) is less than -2.0128955989180297 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (20) + (28) - 2, .025) and -0.13694227067366277 = (32545819.54815214 - 37002717.97801138) / 32545819.54815214 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Basic.WriteBasicUtf8(Formatted: True, SkipValidation: True, DataSize: 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.
IsRegressionWindowed: Marked as regression because 36.42933093877551 > 33.6801360065625.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -28.039487923616537 (T) = (0 -36803719.49848758) / Math.Sqrt((152525677594.43253 / (21)) + (525959041567.533 / (29))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (29) - 2, .025) and -0.13820099155283058 = (32334991.597816844 - 36803719.49848758) / 32334991.597816844 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted: False, SkipValidation: False, DataSize: 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.
IsRegressionWindowed: Marked as regression because 30.331360108333335 > 27.275550617948717.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -25.353959244289744 (T) = (0 -30350990.346016485) / Math.Sqrt((153383579600.65338 / (21)) + (489163689154.253 / (24))) is less than -2.016692199226234 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (24) - 2, .025) and -0.16143442760022844 = (26132332.24774309 - 30350990.346016485) / 26132332.24774309 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted: False, SkipValidation: True, DataSize: 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.
IsRegressionWindowed: Marked as regression because 28.77235501785714 > 25.995557273365385.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -29.922907793179196 (T) = (0 -28594227.959406905) / Math.Sqrt((169956113334.06198 / (21)) + (226465276563.48505 / (26))) is less than -2.0141033888794695 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (26) - 2, .025) and -0.15694023401680954 = (24715389.022412933 - 28594227.959406905) / 24715389.022412933 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Basic.WriteBasicUtf8(Formatted: False, SkipValidation: False, DataSize: 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.
IsRegressionWindowed: Marked as regression because 29.773368783333336 > 27.141453636111113.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -29.883432030901982 (T) = (0 -30021906.475315228) / Math.Sqrt((179970760156.46677 / (20)) + (194373688424.16504 / (26))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (20) + (26) - 2, .025) and -0.14647451223687732 = (26186283.388664022 - 30021906.475315228) / 26186283.388664022 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Basic.WriteBasicUtf8(Formatted: False, SkipValidation: True, DataSize: 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.
IsRegressionWindowed: Marked as regression because 28.16228899259259 > 25.889498238750004.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -31.555354772511347 (T) = (0 -28666220.40937831) / Math.Sqrt((153150888445.5182 / (20)) + (213926647614.144 / (25))) is less than -2.016692199226234 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (20) + (25) - 2, .025) and -0.1630209534111644 = (24648068.74312943 - 28666220.40937831) / 24648068.74312943 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted: True, SkipValidation: False, DataSize: 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.
IsRegressionWindowed: Marked as regression because 38.35225327777778 > 35.58799518214286.
IsChangePoint: Marked as a change because one of 10/10/2022 9:53:50 PM, 10/18/2022 1:35:00 AM falls between 10/7/2022 6:01:23 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -17.185958819718092 (T) = (0 -38161380.42963575) / Math.Sqrt((707005932006.5905 / (21)) + (344585523746.143 / (28))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (28) - 2, .025) and -0.1068821585693834 = (34476461.775261015 - 38161380.42963575) / 34476461.775261015 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

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

Author: performanceautofiler[bot]
Assignees: kotlarmilos
Labels:

area-System.Runtime, refs/heads/main, ubuntu 18.04, Regression, x64
Milestone: -

@dakersnar
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cc @stephentoub as this potentially caused by your PR

@jeffhandley jeffhandley added os-linux Linux OS (any supported distro) arch-x64 and removed refs/heads/main labels Dec 28, 2022
@kotlarmilos
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Mitigated by #82093.

@ghost ghost locked as resolved and limited conversation to collaborators Mar 23, 2023
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