[Perf] Linux/x64: 15 Regressions on 6/17/2025 7:05:32 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [d1770cc10d5f74642ee108ff5be83a6ecc30792a](https://github.com/dotnet/runtime/commit/d1770cc10d5f74642ee108ff5be83a6ecc30792a)
Compare | [2dbdff1a7aebd64b4b265d99b173cd77f088c36e](https://github.com/dotnet/runtime/commit/2dbdff1a7aebd64b4b265d99b173cd77f088c36e)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d1770cc10d5f74642ee108ff5be83a6ecc30792a...2dbdff1a7aebd64b4b265d99b173cd77f088c36e)
Configs | CompilationMode:wasm, RunKind:micro


### Regressions in System.Collections.Tests.Perf_BitArray

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[BitArrayCopyToBoolArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/System.Collections.Tests.Perf_BitArray.BitArrayCopyToBoolArray(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Perf.BitArray.cs#L167-#L168>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 25.45 μs | 31.08 μs | 1.22 | 0.01 | False | | |
|<ul><li>[BitArrayGet - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/System.Collections.Tests.Perf_BitArray.BitArrayGet(Size%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Perf.BitArray.cs#L69-#L79>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 183.17 ns | 259.16 ns | 1.41 | 0.02 | False | | |
|<ul><li>[BitArrayNot - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/System.Collections.Tests.Perf_BitArray.BitArrayNot(Size%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Perf.BitArray.cs#L66-#L67>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 28.54 ns | 137.40 ns | 4.82 | 0.66 | False | | |
|<ul><li>[BitArraySet - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/System.Collections.Tests.Perf_BitArray.BitArraySet(Size%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Perf.BitArray.cs#L111-#L118>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 34.17 ns | 48.42 ns | 1.42 | 0.37 | False | | |
|<ul><li>[BitArraySetAll - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/System.Collections.Tests.Perf_BitArray.BitArraySetAll(Size%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Perf.BitArray.cs#L62-#L64>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 35.48 ns | 106.32 ns | 3.00 | 0.57 | False | | |
|<ul><li>[BitArrayGet - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/System.Collections.Tests.Perf_BitArray.BitArrayGet(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Perf.BitArray.cs#L69-#L79>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 22.18 μs | 31.06 μs | 1.40 | 0.00 | False | | |
|<ul><li>[BitArrayOr - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/System.Collections.Tests.Perf_BitArray.BitArrayOr(Size%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Perf.BitArray.cs#L102-#L103>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 36.19 ns | 61.04 ns | 1.69 | 0.65 | False | | |
|<ul><li>[BitArrayAnd - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/System.Collections.Tests.Perf_BitArray.BitArrayAnd(Size%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Perf.BitArray.cs#L99-#L100>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 50.84 ns | 56.19 ns | 1.11 | 0.64 | False | | |
|<ul><li>[BitArraySetLengthGrow - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/System.Collections.Tests.Perf_BitArray.BitArraySetLengthGrow(Size%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Perf.BitArray.cs#L120-#L127>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 191.67 ns | 678.96 ns | 3.54 | 0.60 | False | | |
|<ul><li>[BitArrayByteArrayCtor - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/System.Collections.Tests.Perf_BitArray.BitArrayByteArrayCtor(Size%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Perf.BitArray.cs#L49-#L50>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 84.05 ns | 320.22 ns | 3.81 | 0.50 | False | | |
|<ul><li>[BitArrayLeftShift - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/System.Collections.Tests.Perf_BitArray.BitArrayLeftShift(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Perf.BitArray.cs#L88-#L89>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 844.98 ns | 964.04 ns | 1.14 | 0.00 | False | | |
|<ul><li>[BitArraySetLengthShrink - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/System.Collections.Tests.Perf_BitArray.BitArraySetLengthShrink(Size%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Perf.BitArray.cs#L129-#L135>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 112.70 ns | 607.80 ns | 5.39 | 0.51 | False | | |
|<ul><li>[BitArrayXor - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/System.Collections.Tests.Perf_BitArray.BitArrayXor(Size%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Perf.BitArray.cs#L105-#L106>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 35.49 ns | 71.72 ns | 2.02 | 0.70 | False | | |
|<ul><li>[BitArraySet - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/System.Collections.Tests.Perf_BitArray.BitArraySet(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Perf.BitArray.cs#L111-#L118>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 3.00 μs | 4.40 μs | 1.47 | 0.00 | False | | |
|<ul><li>[BitArrayCopyToBoolArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/System.Collections.Tests.Perf_BitArray.BitArrayCopyToBoolArray(Size%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Perf.BitArray.cs#L167-#L168>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 319.32 ns | 346.01 ns | 1.08 | 0.39 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_19_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Collections.Tests.Perf_BitArray_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_19_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Collections.Tests.Perf_BitArray_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_19_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Collections.Tests.Perf_BitArray_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_19_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Collections.Tests.Perf_BitArray_004.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_19_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Collections.Tests.Perf_BitArray_005.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_19_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Collections.Tests.Perf_BitArray_006.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_19_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Collections.Tests.Perf_BitArray_007.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_19_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Collections.Tests.Perf_BitArray_008.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_19_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Collections.Tests.Perf_BitArray_009.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_19_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Collections.Tests.Perf_BitArray_010.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_19_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Collections.Tests.Perf_BitArray_011.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_19_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Collections.Tests.Perf_BitArray_012.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_19_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Collections.Tests.Perf_BitArray_013.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_19_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Collections.Tests.Perf_BitArray_014.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_19_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Collections.Tests.Perf_BitArray_015.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_19_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Collections.Tests.Perf_BitArray.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.Tests.Perf_BitArray*'
```

<details>

### System.Collections.Tests.Perf_BitArray.BitArrayCopyToBoolArray(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Tests.Perf_BitArray.BitArrayGet(Size: 4)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Tests.Perf_BitArray.BitArrayNot(Size: 4)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Tests.Perf_BitArray.BitArraySet(Size: 4)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Tests.Perf_BitArray.BitArraySetAll(Size: 4)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Tests.Perf_BitArray.BitArrayGet(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Tests.Perf_BitArray.BitArrayOr(Size: 4)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Tests.Perf_BitArray.BitArrayAnd(Size: 4)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Tests.Perf_BitArray.BitArraySetLengthGrow(Size: 4)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Tests.Perf_BitArray.BitArrayByteArrayCtor(Size: 4)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Tests.Perf_BitArray.BitArrayLeftShift(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Tests.Perf_BitArray.BitArraySetLengthShrink(Size: 4)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Tests.Perf_BitArray.BitArrayXor(Size: 4)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Tests.Perf_BitArray.BitArraySet(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Tests.Perf_BitArray.BitArrayCopyToBoolArray(Size: 4)

#### ETL Files

#### Histogram

#### JIT Disasms



### 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>

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	TigerUbuntu
Baseline	d1770cc10d5f74642ee108ff5be83a6ecc30792a
Compare	2dbdff1a7aebd64b4b265d99b173cd77f088c36e
Diff	Diff
Configs	CompilationMode:wasm, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
BitArrayCopyToBoolArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	25.45 μs	31.08 μs	1.22	0.01	False
BitArrayGet - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	183.17 ns	259.16 ns	1.41	0.02	False
BitArrayNot - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	28.54 ns	137.40 ns	4.82	0.66	False
BitArraySet - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	34.17 ns	48.42 ns	1.42	0.37	False
BitArraySetAll - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	35.48 ns	106.32 ns	3.00	0.57	False
BitArrayGet - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	22.18 μs	31.06 μs	1.40	0.00	False
BitArrayOr - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	36.19 ns	61.04 ns	1.69	0.65	False
BitArrayAnd - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	50.84 ns	56.19 ns	1.11	0.64	False
BitArraySetLengthGrow - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	191.67 ns	678.96 ns	3.54	0.60	False
BitArrayByteArrayCtor - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	84.05 ns	320.22 ns	3.81	0.50	False
BitArrayLeftShift - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	844.98 ns	964.04 ns	1.14	0.00	False
BitArraySetLengthShrink - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	112.70 ns	607.80 ns	5.39	0.51	False
BitArrayXor - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	35.49 ns	71.72 ns	2.02	0.70	False
BitArraySet - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.00 μs	4.40 μs	1.47	0.00	False
BitArrayCopyToBoolArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	319.32 ns	346.01 ns	1.08	0.39	False

[Perf] Linux/x64: 15 Regressions on 6/17/2025 7:05:32 PM +00:00 #116965

Description

Run Information

Regressions in System.Collections.Tests.Perf_BitArray

Repro

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

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