[Perf] Linux/arm64: 9 Improvements on 5/28/2025 2:51:00 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [9a6481dc76bccb1239083b699e028ab9c1cda7b1](https://github.com/dotnet/runtime/commit/9a6481dc76bccb1239083b699e028ab9c1cda7b1)
Compare | [4252c8d09b2ec537928f34dad269f02f167c8ce5](https://github.com/dotnet/runtime/commit/4252c8d09b2ec537928f34dad269f02f167c8ce5)
Diff | [Diff](https://github.com/dotnet/runtime/compare/9a6481dc76bccb1239083b699e028ab9c1cda7b1...4252c8d09b2ec537928f34dad269f02f167c8ce5)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.IO.Compression.ZLib

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Decompress - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.IO.Compression.ZLib.Decompress(level%3a%20Fastest%2c%20file%3a%20%22alice29.txt%22).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 517.26 μs | 485.30 μs | 0.94 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.IO.Compression.ZLib_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.IO.Compression.ZLib.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.IO.Compression.ZLib*'
```

<details>

### System.IO.Compression.ZLib.Decompress(level: Fastest, file: "alice29.txt")

#### 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>


---


### Run Information

Name | Value
-- | --
Architecture | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [9a6481dc76bccb1239083b699e028ab9c1cda7b1](https://github.com/dotnet/runtime/commit/9a6481dc76bccb1239083b699e028ab9c1cda7b1)
Compare | [4252c8d09b2ec537928f34dad269f02f167c8ce5](https://github.com/dotnet/runtime/commit/4252c8d09b2ec537928f34dad269f02f167c8ce5)
Diff | [Diff](https://github.com/dotnet/runtime/compare/9a6481dc76bccb1239083b699e028ab9c1cda7b1...4252c8d09b2ec537928f34dad269f02f167c8ce5)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in Devirtualization.EqualityComparer

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ValueTupleCompareCached - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/Devirtualization.EqualityComparer.ValueTupleCompareCached.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Devirtualization/DefaultEqualityComparerPerf.cs#L78-#L79>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 5.51 ns | 2.40 ns | 0.44 | 0.35 | False | | |
|<ul><li>[ValueTupleCompareWrapped - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/Devirtualization.EqualityComparer.ValueTupleCompareWrapped.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Devirtualization/DefaultEqualityComparerPerf.cs#L81-#L82>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 4.60 ns | 2.21 ns | 0.48 | 0.48 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/Devirtualization.EqualityComparer_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/Devirtualization.EqualityComparer_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/Devirtualization.EqualityComparer.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 'Devirtualization.EqualityComparer*'
```

<details>

### Devirtualization.EqualityComparer.ValueTupleCompareCached

#### ETL Files

#### Histogram

#### JIT Disasms

### Devirtualization.EqualityComparer.ValueTupleCompareWrapped

#### 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>


---


### Run Information

Name | Value
-- | --
Architecture | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [9a6481dc76bccb1239083b699e028ab9c1cda7b1](https://github.com/dotnet/runtime/commit/9a6481dc76bccb1239083b699e028ab9c1cda7b1)
Compare | [4252c8d09b2ec537928f34dad269f02f167c8ce5](https://github.com/dotnet/runtime/commit/4252c8d09b2ec537928f34dad269f02f167c8ce5)
Diff | [Diff](https://github.com/dotnet/runtime/compare/9a6481dc76bccb1239083b699e028ab9c1cda7b1...4252c8d09b2ec537928f34dad269f02f167c8ce5)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Tests.Perf_DateTime

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Month - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Tests.Perf_DateTime.Month.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.DateTime.cs#L57-#L58>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1SwWobMRC9G/wPU19k0413azulcRC0TUMDxVBi0x6Lupr1KmglI40amyb/3pF3fellxGjmPb15I4sEhJFAwkexPUXCbr7jPM6/Y2h+fVGEO9PhfOMdteJ2PLIMUA1hYITmKnF1uqgW11fV6qq63lU363eL9XI1Xy0XN8sP799W1bqqZgMy4MEzUGhPDqkMyWX8hfd3UK5ucz1gE8sWlY5lp4y7NNTeNWafXz451Zl6+lfc+e5grCLj3cZrFGsQZDCgFgWIx+S+GafzJXcHL16zkK9IDyaSD6ZWlidUPw21mUcFE72L02yIzKHoR5XnWJzVyxyKQarsj2IQJvtjNh69wCH4J6wJthgMxgI+J2N1tnJLqjsU8EPZhDJbfefZBQyPGJOlT38wqD2OR2X5As8tDzIwwBsmJ/YiwmRC/v5Y26RxMoGyhPsjU1oE30BjLHMZtwefeFEQz+AsKKDTvLXsd92qQPDMU8O0b5AXmcfa29Q5+b/cU38f5Vk395Ehi1LkD8JOn4Z0gyqmgB06ErN/VbgwmFwCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 5.48 ns | 4.44 ns | 0.81 | 0.26 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Tests.Perf_DateTime_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Tests.Perf_DateTime.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.Tests.Perf_DateTime*'
```

<details>

### System.Tests.Perf_DateTime.Month

#### 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>


---


### Run Information

Name | Value
-- | --
Architecture | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [9a6481dc76bccb1239083b699e028ab9c1cda7b1](https://github.com/dotnet/runtime/commit/9a6481dc76bccb1239083b699e028ab9c1cda7b1)
Compare | [4252c8d09b2ec537928f34dad269f02f167c8ce5](https://github.com/dotnet/runtime/commit/4252c8d09b2ec537928f34dad269f02f167c8ce5)
Diff | [Diff](https://github.com/dotnet/runtime/compare/9a6481dc76bccb1239083b699e028ab9c1cda7b1...4252c8d09b2ec537928f34dad269f02f167c8ce5)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.IO.Compression.Gzip

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Decompress - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.IO.Compression.Gzip.Decompress(level%3a%20Optimal%2c%20file%3a%20%22alice29.txt%22).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 419.82 μs | 386.45 μs | 0.92 | 0.00 | False | | |
|<ul><li>[Decompress - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.IO.Compression.Gzip.Decompress(level%3a%20Fastest%2c%20file%3a%20%22alice29.txt%22).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 524.92 μs | 485.91 μs | 0.93 | 0.00 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.IO.Compression.Gzip_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.IO.Compression.Gzip_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.IO.Compression.Gzip.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.IO.Compression.Gzip*'
```

<details>

### System.IO.Compression.Gzip.Decompress(level: Optimal, file: "alice29.txt")

#### ETL Files

#### Histogram

#### JIT Disasms

### System.IO.Compression.Gzip.Decompress(level: Fastest, file: "alice29.txt")

#### 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>


---


### Run Information

Name | Value
-- | --
Architecture | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [9a6481dc76bccb1239083b699e028ab9c1cda7b1](https://github.com/dotnet/runtime/commit/9a6481dc76bccb1239083b699e028ab9c1cda7b1)
Compare | [4252c8d09b2ec537928f34dad269f02f167c8ce5](https://github.com/dotnet/runtime/commit/4252c8d09b2ec537928f34dad269f02f167c8ce5)
Diff | [Diff](https://github.com/dotnet/runtime/compare/9a6481dc76bccb1239083b699e028ab9c1cda7b1...4252c8d09b2ec537928f34dad269f02f167c8ce5)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.IO.Compression.Deflate

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Decompress - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.IO.Compression.Deflate.Decompress(level%3a%20Optimal%2c%20file%3a%20%22alice29.txt%22).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 408.55 μs | 372.18 μs | 0.91 | 0.00 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.IO.Compression.Deflate_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.IO.Compression.Deflate.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.IO.Compression.Deflate*'
```

<details>

### System.IO.Compression.Deflate.Decompress(level: Optimal, file: "alice29.txt")

#### 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>


---


### Run Information

Name | Value
-- | --
Architecture | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [9a6481dc76bccb1239083b699e028ab9c1cda7b1](https://github.com/dotnet/runtime/commit/9a6481dc76bccb1239083b699e028ab9c1cda7b1)
Compare | [4252c8d09b2ec537928f34dad269f02f167c8ce5](https://github.com/dotnet/runtime/commit/4252c8d09b2ec537928f34dad269f02f167c8ce5)
Diff | [Diff](https://github.com/dotnet/runtime/compare/9a6481dc76bccb1239083b699e028ab9c1cda7b1...4252c8d09b2ec537928f34dad269f02f167c8ce5)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.Tests.Add_Remove_SteadyState&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ImmutableQueue - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Collections.Tests.Add_Remove_SteadyState(String).ImmutableQueue(Count%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/AddRemove/AddRemoveSteadyState.cs#L83-#L87>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 59.11 ns | 38.36 ns | 0.65 | 0.61 | False | | |
|<ul><li>[ConcurrentBag - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Collections.Tests.Add_Remove_SteadyState(String).ConcurrentBag(Count%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/AddRemove/AddRemoveSteadyState.cs#L33-#L38>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 54.93 ns | 42.85 ns | 0.78 | 0.14 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Collections.Tests.Add_Remove_SteadyState%28String%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Collections.Tests.Add_Remove_SteadyState%28String%29_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Collections.Tests.Add_Remove_SteadyState%28String%29.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.Add_Remove_SteadyState&lt;String&gt;*'
```

<details>

### System.Collections.Tests.Add_Remove_SteadyState&lt;String&gt;.ImmutableQueue(Count: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Tests.Add_Remove_SteadyState&lt;String&gt;.ConcurrentBag(Count: 512)

#### 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	arm64
OS	ubuntu 22.04
Queue	AmpereUbuntu
Baseline	9a6481dc76bccb1239083b699e028ab9c1cda7b1
Compare	4252c8d09b2ec537928f34dad269f02f167c8ce5
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ValueTupleCompareCached - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.51 ns	2.40 ns	0.44	0.35	False
ValueTupleCompareWrapped - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	4.60 ns	2.21 ns	0.48	0.48	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Decompress - Duration of single invocation ADX - Test Multi Config Graph	419.82 μs	386.45 μs	0.92	0.00	False
Decompress - Duration of single invocation ADX - Test Multi Config Graph	524.92 μs	485.91 μs	0.93	0.00	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ImmutableQueue - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	59.11 ns	38.36 ns	0.65	0.61	False
ConcurrentBag - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	54.93 ns	42.85 ns	0.78	0.14	False

[Perf] Linux/arm64: 9 Improvements on 5/28/2025 2:51:00 PM +00:00 #56949

Description

Run Information

Improvements in System.IO.Compression.ZLib

Repro

System.IO.Compression.ZLib.Decompress(level: Fastest, file: "alice29.txt")

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in Devirtualization.EqualityComparer

Repro

Devirtualization.EqualityComparer.ValueTupleCompareCached

ETL Files

Histogram

JIT Disasms

Devirtualization.EqualityComparer.ValueTupleCompareWrapped

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Tests.Perf_DateTime

Repro

System.Tests.Perf_DateTime.Month

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.IO.Compression.Gzip

Repro

System.IO.Compression.Gzip.Decompress(level: Optimal, file: "alice29.txt")

ETL Files

Histogram

JIT Disasms

System.IO.Compression.Gzip.Decompress(level: Fastest, file: "alice29.txt")

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.IO.Compression.Deflate

Repro

System.IO.Compression.Deflate.Decompress(level: Optimal, file: "alice29.txt")

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.Tests.Add_Remove_SteadyState<String>

Repro

System.Collections.Tests.Add_Remove_SteadyState<String>.ImmutableQueue(Count: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.Tests.Add_Remove_SteadyState<String>.ConcurrentBag(Count: 512)

ETL Files

Histogram

JIT Disasms

Docs

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