[Perf] Linux/x64: 4 Improvements on 8/16/2025 4:36:35 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [1209ddec456f1d7871847b07b46f00d44012d687](https://github.com/dotnet/runtime/commit/1209ddec456f1d7871847b07b46f00d44012d687)
Compare | [10bc77650ffd5462f9b66cbc8f631460e722c74f](https://github.com/dotnet/runtime/commit/10bc77650ffd5462f9b66cbc8f631460e722c74f)
Diff | [Diff](https://github.com/dotnet/runtime/compare/1209ddec456f1d7871847b07b46f00d44012d687...10bc77650ffd5462f9b66cbc8f631460e722c74f)
Configs | CompilationMode:wasm, RunKind:micro


### Improvements in System.Linq.Tests.Perf_Enumerable

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[TakeLastHalf - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.TakeLastHalf(input%3a%20List).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L214-#L216>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 15.08 μs | 13.04 μs | 0.86 | 0.06 | False | | |
|<ul><li>[SkipHalfTakeHalf - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.SkipHalfTakeHalf(input%3a%20IEnumerable).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L221-#L223>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 15.52 μs | 11.51 μs | 0.74 | 0.12 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/System.Linq.Tests.Perf_Enumerable_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/System.Linq.Tests.Perf_Enumerable_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/System.Linq.Tests.Perf_Enumerable.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.Linq.Tests.Perf_Enumerable*'
```

<details>

### System.Linq.Tests.Perf_Enumerable.TakeLastHalf(input: List)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.SkipHalfTakeHalf(input: IEnumerable)

#### 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 | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [1209ddec456f1d7871847b07b46f00d44012d687](https://github.com/dotnet/runtime/commit/1209ddec456f1d7871847b07b46f00d44012d687)
Compare | [10bc77650ffd5462f9b66cbc8f631460e722c74f](https://github.com/dotnet/runtime/commit/10bc77650ffd5462f9b66cbc8f631460e722c74f)
Diff | [Diff](https://github.com/dotnet/runtime/compare/1209ddec456f1d7871847b07b46f00d44012d687...10bc77650ffd5462f9b66cbc8f631460e722c74f)
Configs | CompilationMode:wasm, RunKind:micro


### Improvements in LinqBenchmarks

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Order00LinqQueryX - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/LinqBenchmarks.Order00LinqQueryX.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Linq/Linq.cs#L320-#L333>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 5.43 secs | 1.27 secs | 0.23 | 0.06 | False | | |
|<ul><li>[Order00LinqMethodX - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/ViperUbuntu/LinqBenchmarks.Order00LinqMethodX.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Linq/Linq.cs#L335-#L348>)</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 secs | 1.26 secs | 0.23 | 0.08 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/LinqBenchmarks_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/LinqBenchmarks_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_21_2025/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/LinqBenchmarks.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 'LinqBenchmarks*'
```

<details>

### LinqBenchmarks.Order00LinqQueryX

#### ETL Files

#### Histogram

#### JIT Disasms

### LinqBenchmarks.Order00LinqMethodX

#### 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>

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

Uh oh!

[Perf] Linux/x64: 4 Improvements on 8/16/2025 4:36:35 PM +00:00 #61050

Run Information

Improvements in System.Linq.Tests.Perf_Enumerable

Repro

System.Linq.Tests.Perf_Enumerable.TakeLastHalf(input: List)

ETL Files

Histogram

JIT Disasms

System.Linq.Tests.Perf_Enumerable.SkipHalfTakeHalf(input: IEnumerable)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in LinqBenchmarks

Repro

LinqBenchmarks.Order00LinqQueryX

ETL Files

Histogram

JIT Disasms

LinqBenchmarks.Order00LinqMethodX

ETL Files

Histogram

JIT Disasms

Docs

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	ViperUbuntu
Baseline	1209ddec456f1d7871847b07b46f00d44012d687
Compare	10bc77650ffd5462f9b66cbc8f631460e722c74f
Diff	Diff
Configs	CompilationMode:wasm, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
TakeLastHalf - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	15.08 μs	13.04 μs	0.86	0.06	False
SkipHalfTakeHalf - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	15.52 μs	11.51 μs	0.74	0.12	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Order00LinqQueryX - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.43 secs	1.27 secs	0.23	0.06	False
Order00LinqMethodX - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.51 secs	1.26 secs	0.23	0.08	False

[Perf] Linux/x64: 4 Improvements on 8/16/2025 4:36:35 PM +00:00 #61050

Description

Run Information

Improvements in System.Linq.Tests.Perf_Enumerable

Repro

System.Linq.Tests.Perf_Enumerable.TakeLastHalf(input: List)

ETL Files

Histogram

JIT Disasms

System.Linq.Tests.Perf_Enumerable.SkipHalfTakeHalf(input: IEnumerable)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in LinqBenchmarks

Repro

LinqBenchmarks.Order00LinqQueryX

ETL Files

Histogram

JIT Disasms

LinqBenchmarks.Order00LinqMethodX

ETL Files

Histogram

JIT Disasms

Docs

Metadata

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Issue actions