[Perf] Linux/arm64: 85 Regressions on 1/14/2023 12:48:25 AM

### Run Information

Architecture | arm64
-- | --
OS | ubuntu 20.04
Baseline | [52381a1f88c5b3c6c0bde46c7f6d2b4dba49aab5](https://github.com/dotnet/runtime/commit/52381a1f88c5b3c6c0bde46c7f6d2b4dba49aab5)
Compare | [bd21232171668c318bdcd3446f27ee663a74e7bb](https://github.com/dotnet/runtime/commit/bd21232171668c318bdcd3446f27ee663a74e7bb)
Diff | [Diff](https://github.com/dotnet/runtime/compare/52381a1f88c5b3c6c0bde46c7f6d2b4dba49aab5...bd21232171668c318bdcd3446f27ee663a74e7bb)


### Regressions in System.Text.Json.Tests.Perf_Doubles

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[WriteDoubles - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Text.Json.Tests.Perf_Doubles.WriteDoubles(Formatted%3a%20False%2c%20SkipValidation%3a%20False).html>) | 86.15 ms | 144.18 ms | 1.67 | 0.03 | False | | |
[WriteDoubles - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Text.Json.Tests.Perf_Doubles.WriteDoubles(Formatted%3a%20True%2c%20SkipValidation%3a%20True).html>) | 88.89 ms | 141.13 ms | 1.59 | 0.02 | False | | |
[WriteDoubles - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Text.Json.Tests.Perf_Doubles.WriteDoubles(Formatted%3a%20True%2c%20SkipValidation%3a%20False).html>) | 88.49 ms | 143.80 ms | 1.63 | 0.04 | False | | |
[WriteDoubles - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Text.Json.Tests.Perf_Doubles.WriteDoubles(Formatted%3a%20False%2c%20SkipValidation%3a%20True).html>) | 87.64 ms | 134.97 ms | 1.54 | 0.04 | False | | |

[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_17_2023/refs/heads/main_arm64_ubuntu%2020.04_LLVM=false_MonoAOT=true_MonoInterpreter=false_Regression/System.Text.Json.Tests.Perf_Doubles.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Json.Tests.Perf_Doubles*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-ace3c19e-4f87-49df-b8e5-248ff69cda95657cf8d97364fffa8/e521ab45-1638-421b-9e52-da99f7cc9c63.zip?sv=2021-08-06&se=2023-02-10T07%3A45%3A14Z&sr=c&sp=rl&sig=9Ec9CnpmSw5Lg1AAw%2Fe%2Ffr0JUT9h4pxHlncdKqnaEAk%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-dfbcbea9-7d67-45a8-a3e3-831db1e84c1073716f7a6d2444e93/d8b726b2-775a-4ac2-ad48-e3e7cc59e68a.zip?sv=2021-08-06&se=2023-02-13T12%3A09%3A41Z&sr=c&sp=rl&sig=b8Vg1FmZfq1X8%2FJLMbpvuXlKU3CXq5EYkVOy2fb2KLA%3D>)
### Histogram

#### System.Text.Json.Tests.Perf_Doubles.WriteDoubles(Formatted: False, SkipValidation: False)

```log

```
### Description of detection logic
```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.
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 144.1792567857143 > 91.12610216062501.
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 -21.998899790251347 (T) = (0 -138907805.8384782) / Math.Sqrt((118146921285548.23 / (22)) + (8805566641360.295 / (11))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (11) - 2, .025) and -0.6485609125668402 = (84260038.42478356 - 138907805.8384782) / 84260038.42478356 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.Text.Json.Tests.Perf_Doubles.WriteDoubles(Formatted: True, SkipValidation: True)

```log

```
### Description of detection logic
```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.
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 141.12740340000002 > 92.6995007375.
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 -21.766820008789065 (T) = (0 -141507488.67056277) / Math.Sqrt((124037079474261.22 / (22)) + (9699455169313.46 / (11))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (11) - 2, .025) and -0.6468101452391395 = (85928234.7024975 - 141507488.67056277) / 85928234.7024975 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.Text.Json.Tests.Perf_Doubles.WriteDoubles(Formatted: True, SkipValidation: False)

```log

```
### Description of detection logic
```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.
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 143.8019899 > 93.08843226125.
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 -22.04275855356004 (T) = (0 -141643927.17772228) / Math.Sqrt((122001493646991.12 / (22)) + (9619682272154.936 / (11))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (11) - 2, .025) and -0.6510071829134964 = (85792435.45613553 - 141643927.17772228) / 85792435.45613553 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.Text.Json.Tests.Perf_Doubles.WriteDoubles(Formatted: False, SkipValidation: True)

```log

```
### Description of detection logic
```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.
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 134.97435863333334 > 91.530344908125.
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 -22.703359701645876 (T) = (0 -139630866.35) / Math.Sqrt((119035950847292.22 / (22)) + (6017566346836.912 / (11))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (11) - 2, .025) and -0.6580237000432874 = (84215241.52299786 - 139630866.35) / 84215241.52299786 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](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>
### Run Information

Architecture | arm64
-- | --
OS | ubuntu 20.04
Baseline | [52381a1f88c5b3c6c0bde46c7f6d2b4dba49aab5](https://github.com/dotnet/runtime/commit/52381a1f88c5b3c6c0bde46c7f6d2b4dba49aab5)
Compare | [bd21232171668c318bdcd3446f27ee663a74e7bb](https://github.com/dotnet/runtime/commit/bd21232171668c318bdcd3446f27ee663a74e7bb)
Diff | [Diff](https://github.com/dotnet/runtime/compare/52381a1f88c5b3c6c0bde46c7f6d2b4dba49aab5...bd21232171668c318bdcd3446f27ee663a74e7bb)


### 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
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[FormatterDouble - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Buffers.Text.Tests.Utf8FormatterTests.FormatterDouble(value%3a%2012345).html>) | 581.03 ns | 1.04 μs | 1.80 | 0.06 | False | | |
[FormatterDouble - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Buffers.Text.Tests.Utf8FormatterTests.FormatterDouble(value%3a%20-1.7976931348623157E%2b308).html>) | 855.51 ns | 1.31 μs | 1.53 | 0.03 | False | | |
[FormatterDouble - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Buffers.Text.Tests.Utf8FormatterTests.FormatterDouble(value%3a%201.7976931348623157E%2b308).html>) | 891.42 ns | 1.32 μs | 1.48 | 0.02 | False | | |
[FormatterInt32 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt32(value%3a%20-2147483648).html>) | 101.60 ns | 168.04 ns | 1.65 | 0.19 | False | | |

[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_17_2023/refs/heads/main_arm64_ubuntu%2020.04_LLVM=false_MonoAOT=true_MonoInterpreter=false_Regression/System.Buffers.Text.Tests.Utf8FormatterTests.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Buffers.Text.Tests.Utf8FormatterTests*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-ace3c19e-4f87-49df-b8e5-248ff69cda95657cf8d97364fffa8/e521ab45-1638-421b-9e52-da99f7cc9c63.zip?sv=2021-08-06&se=2023-02-10T07%3A45%3A14Z&sr=c&sp=rl&sig=9Ec9CnpmSw5Lg1AAw%2Fe%2Ffr0JUT9h4pxHlncdKqnaEAk%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-dfbcbea9-7d67-45a8-a3e3-831db1e84c1073716f7a6d2444e93/d8b726b2-775a-4ac2-ad48-e3e7cc59e68a.zip?sv=2021-08-06&se=2023-02-13T12%3A09%3A41Z&sr=c&sp=rl&sig=b8Vg1FmZfq1X8%2FJLMbpvuXlKU3CXq5EYkVOy2fb2KLA%3D>)
### Histogram

#### System.Buffers.Text.Tests.Utf8FormatterTests.FormatterDouble(value: 12345)

```log

```
### Description of detection logic
```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.
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 1.0443771298653797 > 621.2602250860122.
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 -22.330410683870443 (T) = (0 -1039.5295575664525) / Math.Sqrt((6681.479719904247 / (22)) + (1524.1876049497682 / (11))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (11) - 2, .025) and -0.8239976895515045 = (569.918242507236 - 1039.5295575664525) / 569.918242507236 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.Buffers.Text.Tests.Utf8FormatterTests.FormatterDouble(value: -1.7976931348623157E+308)

```log

```
### Description of detection logic
```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.
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 1.308134972532904 > 900.4946825477134.
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 -18.66479157836275 (T) = (0 -1307.655033672269) / Math.Sqrt((12907.709260648911 / (22)) + (551.986549304299 / (11))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (11) - 2, .025) and -0.5630290552995387 = (836.6159472458879 - 1307.655033672269) / 836.6159472458879 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.Buffers.Text.Tests.Utf8FormatterTests.FormatterDouble(value: 1.7976931348623157E+308)

```log

```
### Description of detection logic
```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.
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 1.3163259766395987 > 903.0462250780093.
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 -19.137088288076054 (T) = (0 -1307.7313040674373) / Math.Sqrt((12970.904616639655 / (22)) + (209.7872979514165 / (11))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (11) - 2, .025) and -0.5650202670139751 = (835.6002357481034 - 1307.7313040674373) / 835.6002357481034 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.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt32(value: -2147483648)

```log

```
### Description of detection logic
```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.
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 168.03948883326922 > 104.37242863578727.
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 -11.955916890703222 (T) = (0 -169.50046304284956) / Math.Sqrt((186.38173647227663 / (29)) + (120.30957495108424 / (4))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (4) - 2, .025) and -0.7426806784514022 = (97.26421204914759 - 169.50046304284956) / 97.26421204914759 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](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


### Run Information

Architecture | arm64
-- | --
OS | ubuntu 20.04
Baseline | [52381a1f88c5b3c6c0bde46c7f6d2b4dba49aab5](https://github.com/dotnet/runtime/commit/52381a1f88c5b3c6c0bde46c7f6d2b4dba49aab5)
Compare | [bd21232171668c318bdcd3446f27ee663a74e7bb](https://github.com/dotnet/runtime/commit/bd21232171668c318bdcd3446f27ee663a74e7bb)
Diff | [Diff](https://github.com/dotnet/runtime/compare/52381a1f88c5b3c6c0bde46c7f6d2b4dba49aab5...bd21232171668c318bdcd3446f27ee663a74e7bb)


### Regressions in System.Tests.Perf_Single

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ToString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Tests.Perf_Single.ToString(value%3a%20-3.4028235E%2b38).html>) | 534.28 ns | 1.09 μs | 2.05 | 0.03 | False | | |
[ToStringWithCultureInfo - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Tests.Perf_Single.ToStringWithCultureInfo(value%3a%20-3.4028235E%2b38%2c%20culture%3a%20zh).html>) | 531.45 ns | 1.04 μs | 1.96 | 0.02 | False | | |
[TryParse - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Tests.Perf_Single.TryParse(value%3a%20%22-3.4028235E%2b38%22).html>) | 267.78 ns | 371.95 ns | 1.39 | 0.03 | False | | |
[ToStringWithFormat - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Tests.Perf_Single.ToStringWithFormat(value%3a%203.4028235E%2b38%2c%20format%3a%20%22E%22).html>) | 423.24 ns | 922.78 ns | 2.18 | 0.03 | False | | |
[ToStringWithFormat - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Tests.Perf_Single.ToStringWithFormat(value%3a%203.4028235E%2b38%2c%20format%3a%20%22R%22).html>) | 545.90 ns | 1.08 μs | 1.97 | 0.02 | False | | |
[ToStringWithFormat - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Tests.Perf_Single.ToStringWithFormat(value%3a%203.4028235E%2b38%2c%20format%3a%20%22G17%22).html>) | 518.21 ns | 1.00 μs | 1.93 | 0.01 | False | | |
[ToStringWithFormat - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Tests.Perf_Single.ToStringWithFormat(value%3a%2012345%2c%20format%3a%20%22R%22).html>) | 462.70 ns | 910.65 ns | 1.97 | 0.03 | False | | |
[ToString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Tests.Perf_Single.ToString(value%3a%203.4028235E%2b38).html>) | 547.86 ns | 1.04 μs | 1.90 | 0.02 | False | | |
[ToStringWithFormat - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Tests.Perf_Single.ToStringWithFormat(value%3a%20-3.4028235E%2b38%2c%20format%3a%20%22G17%22).html>) | 520.66 ns | 1.03 μs | 1.97 | 0.01 | False | | |
[ToString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Tests.Perf_Single.ToString(value%3a%2012345).html>) | 458.19 ns | 960.61 ns | 2.10 | 0.05 | False | | |
[ToStringWithFormat - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Tests.Perf_Single.ToStringWithFormat(value%3a%203.4028235E%2b38%2c%20format%3a%20%22G%22).html>) | 576.17 ns | 1.14 μs | 1.98 | 0.05 | False | | |
[Parse - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Tests.Perf_Single.Parse(value%3a%20%223.4028235E%2b38%22).html>) | 262.09 ns | 374.71 ns | 1.43 | 0.01 | False | | |
[TryParse - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Tests.Perf_Single.TryParse(value%3a%20%223.4028235E%2b38%22).html>) | 260.33 ns | 380.08 ns | 1.46 | 0.02 | False | | |
[ToStringWithFormat - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Tests.Perf_Single.ToStringWithFormat(value%3a%20-3.4028235E%2b38%2c%20format%3a%20%22G%22).html>) | 564.15 ns | 1.08 μs | 1.92 | 0.02 | False | | |
[ToStringWithFormat - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Tests.Perf_Single.ToStringWithFormat(value%3a%20-3.4028235E%2b38%2c%20format%3a%20%22E%22).html>) | 432.09 ns | 942.63 ns | 2.18 | 0.03 | False | | |
[ToStringWithFormat - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Tests.Perf_Single.ToStringWithFormat(value%3a%2012345%2c%20format%3a%20%22G%22).html>) | 469.16 ns | 899.87 ns | 1.92 | 0.05 | False | | |
[ToStringWithCultureInfo - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Tests.Perf_Single.ToStringWithCultureInfo(value%3a%203.4028235E%2b38%2c%20culture%3a%20zh).html>) | 521.32 ns | 1.07 μs | 2.06 | 0.01 | False | | |
[Parse - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Tests.Perf_Single.Parse(value%3a%20%22-3.4028235E%2b38%22).html>) | 270.43 ns | 381.11 ns | 1.41 | 0.01 | False | | |
[ToStringWithFormat - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Tests.Perf_Single.ToStringWithFormat(value%3a%20-3.4028235E%2b38%2c%20format%3a%20%22R%22).html>) | 553.26 ns | 1.09 μs | 1.98 | 0.02 | False | | |
[ToStringWithFormat - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Tests.Perf_Single.ToStringWithFormat(value%3a%2012345%2c%20format%3a%20%22E%22).html>) | 464.88 ns | 968.84 ns | 2.08 | 0.02 | False | | |
[ToStringWithCultureInfo - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Tests.Perf_Single.ToStringWithCultureInfo(value%3a%2012345%2c%20culture%3a%20zh).html>) | 412.27 ns | 904.28 ns | 2.19 | 0.03 | False | | |

[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_17_2023/refs/heads/main_arm64_ubuntu%2020.04_LLVM=false_MonoAOT=true_MonoInterpreter=false_Regression/System.Tests.Perf_Single.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_Single*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-ace3c19e-4f87-49df-b8e5-248ff69cda95657cf8d97364fffa8/e521ab45-1638-421b-9e52-da99f7cc9c63.zip?sv=2021-08-06&se=2023-02-10T07%3A45%3A14Z&sr=c&sp=rl&sig=9Ec9CnpmSw5Lg1AAw%2Fe%2Ffr0JUT9h4pxHlncdKqnaEAk%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-dfbcbea9-7d67-45a8-a3e3-831db1e84c1073716f7a6d2444e93/d8b726b2-775a-4ac2-ad48-e3e7cc59e68a.zip?sv=2021-08-06&se=2023-02-13T12%3A09%3A41Z&sr=c&sp=rl&sig=b8Vg1FmZfq1X8%2FJLMbpvuXlKU3CXq5EYkVOy2fb2KLA%3D>)
### Histogram

#### System.Tests.Perf_Single.ToString(value: -3.4028235E+38)

```log

```
### Description of detection logic
```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.
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 1.0940144647550774 > 568.9109405414339.
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 -32.71252641752556 (T) = (0 -1090.4646682314806) / Math.Sqrt((4748.190065288139 / (22)) + (876.6795090449701 / (11))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (11) - 2, .025) and -1.064848191776336 = (528.1088811150721 - 1090.4646682314806) / 528.1088811150721 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_Single.ToStringWithCultureInfo(value: -3.4028235E+38, culture: zh)

```log

```
### Description of detection logic
```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.
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 1.040349428310654 > 557.9644782691596.
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 -31.29578767348893 (T) = (0 -1040.6490146822532) / Math.Sqrt((4577.228591246492 / (22)) + (820.8363582288528 / (11))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (11) - 2, .025) and -1.0227491564427342 = (514.4725985264377 - 1040.6490146822532) / 514.4725985264377 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_Single.TryParse(value: "-3.4028235E+38")

```log

```
### Description of detection logic
```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.
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 371.95443351042417 > 282.39947623095395.
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 -16.431120793303368 (T) = (0 -377.6572530711475) / Math.Sqrt((773.2123208010917 / (22)) + (146.1390364532415 / (11))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (11) - 2, .025) and -0.4342755548899039 = (263.3087148306985 - 377.6572530711475) / 263.3087148306985 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_Single.ToStringWithFormat(value: 3.4028235E+38, format: "E")

```log

```
### Description of detection logic
```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.
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 922.7775361234185 > 445.7259508563003.
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 -36.92009768495071 (T) = (0 -945.8801060422472) / Math.Sqrt((2707.5331263597477 / (22)) + (854.7993881529243 / (11))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (11) - 2, .025) and -1.237521869446558 = (422.73558035712375 - 945.8801060422472) / 422.73558035712375 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_Single.ToStringWithFormat(value: 3.4028235E+38, format: "R")

```log

```
### Description of detection logic
```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.
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 1.0753949432203556 > 574.0708735525249.
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 -32.36347001260134 (T) = (0 -1098.914945690417) / Math.Sqrt((5164.04742338528 / (22)) + (742.673358592602 / (11))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (11) - 2, .025) and -1.0491839778665861 = (536.269538294215 - 1098.914945690417) / 536.269538294215 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_Single.ToStringWithFormat(value: 3.4028235E+38, format: "G17")

```log

```
### Description of detection logic
```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.
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 1.0017189662173236 > 543.8827610272366.
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 -35.59338497924322 (T) = (0 -1039.0135704345462) / Math.Sqrt((3099.198370193167 / (22)) + (865.8201896164315 / (11))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (11) - 2, .025) and -1.03099643413455 = (511.578234689167 - 1039.0135704345462) / 511.578234689167 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_Single.ToStringWithFormat(value: 12345, format: "R")

```log

```
### Description of detection logic
```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.
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 910.6513666510841 > 495.17323282284536.
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 -27.479313710534907 (T) = (0 -921.1396540033235) / Math.Sqrt((4043.4850905928274 / (22)) + (1093.8541684764155 / (11))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (11) - 2, .025) and -1.0082696960354314 = (458.6732826879603 - 921.1396540033235) / 458.6732826879603 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_Single.ToString(value: 3.4028235E+38)

```log

```
### Description of detection logic
```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.
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 1.0408563785331675 > 565.9772102263504.
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 -32.43358030103064 (T) = (0 -1092.156708430564) / Math.Sqrt((4775.586869694899 / (22)) + (986.1551660296449 / (11))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (11) - 2, .025) and -1.0837464937087677 = (524.1312759147985 - 1092.156708430564) / 524.1312759147985 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_Single.ToStringWithFormat(value: -3.4028235E+38, format: "G17")

```log

```
### Description of detection logic
```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.
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 1.0264138500122475 > 548.7963137560877.
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 -38.651646408104014 (T) = (0 -1039.4520785671532) / Math.Sqrt((3258.210677001105 / (22)) + (376.1141052998564 / (11))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (11) - 2, .025) and -1.0082391919183546 = (517.5937621126818 - 1039.4520785671532) / 517.5937621126818 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_Single.ToString(value: 12345)

```log

```
### Description of detection logic
```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.
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 960.6132379754689 > 483.53541965030905.
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 -30.696747476814945 (T) = (0 -914.4239507190159) / Math.Sqrt((3884.1428082055645 / (22)) + (557.1680104333811 / (11))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (11) - 2, .025) and -1.0243002835591295 = (451.72347113999984 - 914.4239507190159) / 451.72347113999984 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_Single.ToStringWithFormat(value: 3.4028235E+38, format: "G")

```log

```
### Description of detection logic
```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.
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 1.1412196820015554 > 577.9730969832802.
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 -28.987840526748034 (T) = (0 -1097.3907755941605) / Math.Sqrt((5284.215565521317 / (22)) + (1436.552088679689 / (11))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (11) - 2, .025) and -1.0351989871586214 = (539.205641570335 - 1097.3907755941605) / 539.205641570335 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_Single.Parse(value: "3.4028235E+38")

```log

```
### Description of detection logic
```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.
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 374.70599184570017 > 274.81415679826904.
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 -19.777931025285636 (T) = (0 -370.6458304871487) / Math.Sqrt((671.9325573103959 / (22)) + (27.196412566223085 / (11))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (11) - 2, .025) and -0.4421746882020833 = (257.00480913946836 - 370.6458304871487) / 257.00480913946836 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_Single.TryParse(value: "3.4028235E+38")

```log

```
### Description of detection logic
```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.
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 380.0756396795303 > 273.09033978773266.
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 -18.431980693095404 (T) = (0 -369.0071955489105) / Math.Sqrt((710.9146382427269 / (22)) + (57.14412114194219 / (11))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (11) - 2, .025) and -0.4407536649002356 = (256.1209487358564 - 369.0071955489105) / 256.1209487358564 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_Single.ToStringWithFormat(value: -3.4028235E+38, format: "G")

```log

```
### Description of detection logic
```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.
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 1.0807208957671595 > 581.8720651281561.
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 -33.821788849279024 (T) = (0 -1111.3488259639898) / Math.Sqrt((5322.7212608941645 / (22)) + (452.26683607156855 / (11))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (11) - 2, .025) and -1.0492456777601997 = (542.3209320508024 - 1111.3488259639898) / 542.3209320508024 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_Single.ToStringWithFormat(value: -3.4028235E+38, format: "E")

```log

```
### Description of detection logic
```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.
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 942.6272693407433 > 452.0084506995151.
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 -39.56013834869683 (T) = (0 -964.5858709159372) / Math.Sqrt((2785.3104064194617 / (22)) + (636.0441203450191 / (11))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (11) - 2, .025) and -1.2571678162046038 = (427.3434451754123 - 964.5858709159372) / 427.3434451754123 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_Single.ToStringWithFormat(value: 12345, format: "G")

```log

```
### Description of detection logic
```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.
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 899.8723393220198 > 501.9359168411381.
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 -32.223033490616935 (T) = (0 -919.115349254561) / Math.Sqrt((4033.666376233582 / (22)) + (202.84633421848218 / (11))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (11) - 2, .025) and -0.9921040264343877 = (461.3791935854175 - 919.115349254561) / 461.3791935854175 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_Single.ToStringWithCultureInfo(value: 3.4028235E+38, culture: zh)

```log

```
### Description of detection logic
```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.
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 1.0732752713692664 > 547.3890969902443.
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 -35.622211353745875 (T) = (0 -1056.8819589817374) / Math.Sqrt((4527.19473701261 / (22)) + (345.1040503465932 / (11))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (11) - 2, .025) and -1.0792235914953983 = (508.30606352519186 - 1056.8819589817374) / 508.30606352519186 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_Single.Parse(value: "-3.4028235E+38")

```log

```
### Description of detection logic
```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.
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 381.1094532303394 > 282.38532515518887.
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 -19.02514610185643 (T) = (0 -378.4708978813185) / Math.Sqrt((716.632762929477 / (22)) + (46.06666719492705 / (11))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (11) - 2, .025) and -0.4384069224102335 = (263.1181009940792 - 378.4708978813185) / 263.1181009940792 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_Single.ToStringWithFormat(value: -3.4028235E+38, format: "R")

```log

```
### Description of detection logic
```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.
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 1.092825987304167 > 583.4021907886233.
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 -34.01319294247653 (T) = (0 -1106.300624707004) / Math.Sqrt((5208.814660020266 / (22)) + (414.35401288165866 / (11))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (11) - 2, .025) and -1.0379957066036587 = (542.8375639469161 - 1106.300624707004) / 542.8375639469161 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_Single.ToStringWithFormat(value: 12345, format: "E")

```log

```
### Description of detection logic
```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.
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 968.840055648648 > 488.4063912455135.
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 -40.33328120880908 (T) = (0 -986.5445207086457) / Math.Sqrt((3108.1413241387168 / (22)) + (376.1279214892162 / (11))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (11) - 2, .025) and -1.1813398403889845 = (452.26539324231175 - 986.5445207086457) / 452.26539324231175 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_Single.ToStringWithCultureInfo(value: 12345, culture: zh)

```log

```
### Description of detection logic
```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.
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 904.2762007359582 > 436.1892330330309.
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 -33.369371008294934 (T) = (0 -849.1041108975164) / Math.Sqrt((2928.8415276772885 / (22)) + (449.0652879924252 / (11))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (11) - 2, .025) and -1.0760949686672556 = (408.99097763461026 - 849.1041108975164) / 408.99097763461026 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](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>




Architecture	arm64
OS	ubuntu 20.04
Baseline	52381a1f88c5b3c6c0bde46c7f6d2b4dba49aab5
Compare	bd21232171668c318bdcd3446f27ee663a74e7bb
Diff	Diff

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
WriteDoubles - Duration of single invocation	86.15 ms	144.18 ms	1.67	0.03	False
WriteDoubles - Duration of single invocation	88.89 ms	141.13 ms	1.59	0.02	False
WriteDoubles - Duration of single invocation	88.49 ms	143.80 ms	1.63	0.04	False
WriteDoubles - Duration of single invocation	87.64 ms	134.97 ms	1.54	0.04	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
FormatterDouble - Duration of single invocation	581.03 ns	1.04 μs	1.80	0.06	False
FormatterDouble - Duration of single invocation	855.51 ns	1.31 μs	1.53	0.03	False
FormatterDouble - Duration of single invocation	891.42 ns	1.32 μs	1.48	0.02	False
FormatterInt32 - Duration of single invocation	101.60 ns	168.04 ns	1.65	0.19	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
ToString - Duration of single invocation	534.28 ns	1.09 μs	2.05	0.03	False
ToStringWithCultureInfo - Duration of single invocation	531.45 ns	1.04 μs	1.96	0.02	False
TryParse - Duration of single invocation	267.78 ns	371.95 ns	1.39	0.03	False
ToStringWithFormat - Duration of single invocation	423.24 ns	922.78 ns	2.18	0.03	False
ToStringWithFormat - Duration of single invocation	545.90 ns	1.08 μs	1.97	0.02	False
ToStringWithFormat - Duration of single invocation	518.21 ns	1.00 μs	1.93	0.01	False
ToStringWithFormat - Duration of single invocation	462.70 ns	910.65 ns	1.97	0.03	False
ToString - Duration of single invocation	547.86 ns	1.04 μs	1.90	0.02	False
ToStringWithFormat - Duration of single invocation	520.66 ns	1.03 μs	1.97	0.01	False
ToString - Duration of single invocation	458.19 ns	960.61 ns	2.10	0.05	False
ToStringWithFormat - Duration of single invocation	576.17 ns	1.14 μs	1.98	0.05	False
Parse - Duration of single invocation	262.09 ns	374.71 ns	1.43	0.01	False
TryParse - Duration of single invocation	260.33 ns	380.08 ns	1.46	0.02	False
ToStringWithFormat - Duration of single invocation	564.15 ns	1.08 μs	1.92	0.02	False
ToStringWithFormat - Duration of single invocation	432.09 ns	942.63 ns	2.18	0.03	False
ToStringWithFormat - Duration of single invocation	469.16 ns	899.87 ns	1.92	0.05	False
ToStringWithCultureInfo - Duration of single invocation	521.32 ns	1.07 μs	2.06	0.01	False
Parse - Duration of single invocation	270.43 ns	381.11 ns	1.41	0.01	False
ToStringWithFormat - Duration of single invocation	553.26 ns	1.09 μs	1.98	0.02	False
ToStringWithFormat - Duration of single invocation	464.88 ns	968.84 ns	2.08	0.02	False
ToStringWithCultureInfo - Duration of single invocation	412.27 ns	904.28 ns	2.19	0.03	False

[Perf] Linux/arm64: 85 Regressions on 1/14/2023 12:48:25 AM #11811

Description

Run Information

Regressions in System.Text.Json.Tests.Perf_Doubles

Repro

Payloads

Histogram

System.Text.Json.Tests.Perf_Doubles.WriteDoubles(Formatted: False, SkipValidation: False)

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Docs

Regressions in System.Buffers.Text.Tests.Utf8FormatterTests

Repro

Payloads

Histogram

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

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Docs

Run Information

Regressions in System.Tests.Perf_Single

Repro

Payloads

Histogram

System.Tests.Perf_Single.ToString(value: -3.4028235E+38)

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Docs

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Assignees

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