dotnet / dotnet/perf-autofiling-issues
[Perf] Windows/x86: 33 Improvements on 5/19/2026 5:33:16 PM +00:00
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Description
### Run Information
Name | Value
-- | --
Architecture | x86
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [21d1570e075a895f62c292a5e1854947b97c7dbc](https://github.com/dotnet/runtime/commit/21d1570e075a895f62c292a5e1854947b97c7dbc)
Compare | [f397c835cc1c655505d2a22fd0cebb9e96733d0b](https://github.com/dotnet/runtime/commit/f397c835cc1c655505d2a22fd0cebb9e96733d0b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/21d1570e075a895f62c292a5e1854947b97c7dbc...f397c835cc1c655505d2a22fd0cebb9e96733d0b)
Configs | CompilationMode:tiered, RunKind:micro
### Improvements in System.Buffers.Tests.RentReturnArrayPoolTests<Byte>
Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|
- [SingleSerial - Duration of single invocation]()
- 📝 - [Benchmark Source]()
- [ADX - Test Multi Config Graph]()
|
- [SingleSerial - Duration of single invocation]()
- 📝 - [Benchmark Source]()
- [ADX - Test Multi Config Graph]()
|
- [MultipleSerial - Duration of single invocation]()
- 📝 - [Benchmark Source]()
- [ADX - Test Multi Config Graph]()
|
- [SingleParallel - Duration of single invocation]()
- 📝 - [Benchmark Source]()
- [ADX - Test Multi Config Graph]()
|
- [SingleParallel - Duration of single invocation]()
- 📝 - [Benchmark Source]()
- [ADX - Test Multi Config Graph]()
|
- [SingleSerial - Duration of single invocation]()
- 📝 - [Benchmark Source]()
- [ADX - Test Multi Config Graph]()
|
- [MultipleSerial - Duration of single invocation]()
- 📝 - [Benchmark Source]()
- [ADX - Test Multi Config Graph]()
|
- [MultipleSerial - Duration of single invocation]()
- 📝 - [Benchmark Source]()
- [ADX - Test Multi Config Graph]()
![graph]()
![graph]()
![graph]()
![graph]()
![graph]()
![graph]()
![graph]()
![graph]()
[Test Report]()
### 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Buffers.Tests.RentReturnArrayPoolTests*'
```
### System.Buffers.Tests.RentReturnArrayPoolTests<Byte>.SingleSerial(RentalSize: 4096, ManipulateArray: False, Async: True, UseSharedPool: False)
#### ETL Files
#### Histogram
#### JIT Disasms
### System.Buffers.Tests.RentReturnArrayPoolTests<Byte>.SingleSerial(RentalSize: 4096, ManipulateArray: False, Async: True, UseSharedPool: True)
#### ETL Files
#### Histogram
#### JIT Disasms
### System.Buffers.Tests.RentReturnArrayPoolTests<Byte>.MultipleSerial(RentalSize: 4096, ManipulateArray: False, Async: True, UseSharedPool: False)
#### ETL Files
#### Histogram
#### JIT Disasms
### System.Buffers.Tests.RentReturnArrayPoolTests<Byte>.SingleParallel(RentalSize: 4096, ManipulateArray: False, Async: True, UseSharedPool: False)
#### ETL Files
#### Histogram
#### JIT Disasms
### System.Buffers.Tests.RentReturnArrayPoolTests<Byte>.SingleParallel(RentalSize: 4096, ManipulateArray: True, Async: True, UseSharedPool: False)
#### ETL Files
#### Histogram
#### JIT Disasms
### System.Buffers.Tests.RentReturnArrayPoolTests<Byte>.SingleSerial(RentalSize: 4096, ManipulateArray: True, Async: True, UseSharedPool: False)
#### ETL Files
#### Histogram
#### JIT Disasms
### System.Buffers.Tests.RentReturnArrayPoolTests<Byte>.MultipleSerial(RentalSize: 4096, ManipulateArray: True, Async: True, UseSharedPool: False)
#### ETL Files
#### Histogram
#### JIT Disasms
### System.Buffers.Tests.RentReturnArrayPoolTests<Byte>.MultipleSerial(RentalSize: 4096, ManipulateArray: True, Async: True, UseSharedPool: True)
#### 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)
---
### Run Information
Name | Value
-- | --
Architecture | x86
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [21d1570e075a895f62c292a5e1854947b97c7dbc](https://github.com/dotnet/runtime/commit/21d1570e075a895f62c292a5e1854947b97c7dbc)
Compare | [f397c835cc1c655505d2a22fd0cebb9e96733d0b](https://github.com/dotnet/runtime/commit/f397c835cc1c655505d2a22fd0cebb9e96733d0b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/21d1570e075a895f62c292a5e1854947b97c7dbc...f397c835cc1c655505d2a22fd0cebb9e96733d0b)
Configs | CompilationMode:tiered, RunKind:micro
### Improvements in System.Buffers.Tests.RentReturnArrayPoolTests<Object>
Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|
- [SingleSerial - Duration of single invocation]()
- 📝 - [Benchmark Source]()
- [ADX - Test Multi Config Graph]()
|
- [SingleSerial - Duration of single invocation]()
- 📝 - [Benchmark Source]()
- [ADX - Test Multi Config Graph]()
|
- [SingleSerial - Duration of single invocation]()
- 📝 - [Benchmark Source]()
- [ADX - Test Multi Config Graph]()
|
- [MultipleSerial - Duration of single invocation]()
- 📝 - [Benchmark Source]()
- [ADX - Test Multi Config Graph]()
|
- [ProducerConsumer - Duration of single invocation]()
- 📝 - [Benchmark Source]()
- [ADX - Test Multi Config Graph]()
|
- [MultipleSerial - Duration of single invocation]()
- 📝 - [Benchmark Source]()
- [ADX - Test Multi Config Graph]()
![graph]()
![graph]()
![graph]()
![graph]()
![graph]()
![graph]()
[Test Report]()
### 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Buffers.Tests.RentReturnArrayPoolTests*'
```
### System.Buffers.Tests.RentReturnArrayPoolTests<Object>.SingleSerial(RentalSize: 4096, ManipulateArray: False, Async: True, UseSharedPool: False)
#### ETL Files
#### Histogram
#### JIT Disasms
### System.Buffers.Tests.RentReturnArrayPoolTests<Object>.SingleSerial(RentalSize: 4096, ManipulateArray: False, Async: True, UseSharedPool: True)
#### ETL Files
#### Histogram
#### JIT Disasms
### System.Buffers.Tests.RentReturnArrayPoolTests<Object>.SingleSerial(RentalSize: 4096, ManipulateArray: True, Async: True, UseSharedPool: False)
#### ETL Files
#### Histogram
#### JIT Disasms
### System.Buffers.Tests.RentReturnArrayPoolTests<Object>.MultipleSerial(RentalSize: 4096, ManipulateArray: False, Async: True, UseSharedPool: True)
#### ETL Files
#### Histogram
#### JIT Disasms
### System.Buffers.Tests.RentReturnArrayPoolTests<Object>.ProducerConsumer(RentalSize: 4096, ManipulateArray: True, Async: True, UseSharedPool: True)
#### ETL Files
#### Histogram
#### JIT Disasms
### System.Buffers.Tests.RentReturnArrayPoolTests<Object>.MultipleSerial(RentalSize: 4096, ManipulateArray: True, Async: True, UseSharedPool: False)
#### 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)
---
### Run Information
Name | Value
-- | --
Architecture | x86
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [21d1570e075a895f62c292a5e1854947b97c7dbc](https://github.com/dotnet/runtime/commit/21d1570e075a895f62c292a5e1854947b97c7dbc)
Compare | [f397c835cc1c655505d2a22fd0cebb9e96733d0b](https://github.com/dotnet/runtime/commit/f397c835cc1c655505d2a22fd0cebb9e96733d0b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/21d1570e075a895f62c292a5e1854947b97c7dbc...f397c835cc1c655505d2a22fd0cebb9e96733d0b)
Configs | CompilationMode:tiered, RunKind:micro
### Improvements in System.Text.Json.Serialization.Tests.ReadJson<Dictionary<String, String>>
Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|
- [DeserializeFromStream - Duration of single invocation]()
- 📝 - [Benchmark Source]()
- [ADX - Test Multi Config Graph]()
|
- [DeserializeFromUtf8Bytes - Duration of single invocation]()
- 📝 - [Benchmark Source]()
- [ADX - Test Multi Config Graph]()
|
- [DeserializeFromReader - Duration of single invocation]()
- 📝 - [Benchmark Source]()
- [ADX - Test Multi Config Graph]()
|
- [DeserializeFromString - Duration of single invocation]()
- 📝 - [Benchmark Source]()
- [ADX - Test Multi Config Graph]()
![graph]()
![graph]()
![graph]()
![graph]()
[Test Report]()
### 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Json.Serialization.Tests.ReadJson>*'
```
### System.Text.Json.Serialization.Tests.ReadJson<Dictionary<String, String>>.DeserializeFromStream(Mode: SourceGen)
#### ETL Files
#### Histogram
#### JIT Disasms
### System.Text.Json.Serialization.Tests.ReadJson<Dictionary<String, String>>.DeserializeFromUtf8Bytes(Mode: SourceGen)
#### ETL Files
#### Histogram
#### JIT Disasms
### System.Text.Json.Serialization.Tests.ReadJson<Dictionary<String, String>>.DeserializeFromReader(Mode: SourceGen)
#### ETL Files
#### Histogram
#### JIT Disasms
### System.Text.Json.Serialization.Tests.ReadJson<Dictionary<String, String>>.DeserializeFromString(Mode: SourceGen)
#### 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)
---
### Run Information
Name | Value
-- | --
Architecture | x86
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [21d1570e075a895f62c292a5e1854947b97c7dbc](https://github.com/dotnet/runtime/commit/21d1570e075a895f62c292a5e1854947b97c7dbc)
Compare | [f397c835cc1c655505d2a22fd0cebb9e96733d0b](https://github.com/dotnet/runtime/commit/f397c835cc1c655505d2a22fd0cebb9e96733d0b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/21d1570e075a895f62c292a5e1854947b97c7dbc...f397c835cc1c655505d2a22fd0cebb9e96733d0b)
Configs | CompilationMode:tiered, RunKind:micro
### Improvements in System.Net.Http.Tests.SocketsHttpHandlerPerfTest
Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|
- [Get - Duration of single invocation]()
- 📝 - [Benchmark Source]()
- [ADX - Test Multi Config Graph]()
|
- [Get - Duration of single invocation]()
- 📝 - [Benchmark Source]()
- [ADX - Test Multi Config Graph]()
|
- [Get - Duration of single invocation]()
- 📝 - [Benchmark Source]()
- [ADX - Test Multi Config Graph]()
![graph]()
![graph]()
![graph]()
[Test Report]()
### 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Net.Http.Tests.SocketsHttpHandlerPerfTest*'
```
### System.Net.Http.Tests.SocketsHttpHandlerPerfTest.Get(ssl: True, chunkedResponse: False, responseLength: 1)
#### ETL Files
#### Histogram
#### JIT Disasms
### System.Net.Http.Tests.SocketsHttpHandlerPerfTest.Get(ssl: False, chunkedResponse: True, responseLength: 1)
#### ETL Files
#### Histogram
#### JIT Disasms
### System.Net.Http.Tests.SocketsHttpHandlerPerfTest.Get(ssl: True, chunkedResponse: True, responseLength: 1)
#### 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)
---
### Run Information
Name | Value
-- | --
Architecture | x86
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [21d1570e075a895f62c292a5e1854947b97c7dbc](https://github.com/dotnet/runtime/commit/21d1570e075a895f62c292a5e1854947b97c7dbc)
Compare | [f397c835cc1c655505d2a22fd0cebb9e96733d0b](https://github.com/dotnet/runtime/commit/f397c835cc1c655505d2a22fd0cebb9e96733d0b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/21d1570e075a895f62c292a5e1854947b97c7dbc...f397c835cc1c655505d2a22fd0cebb9e96733d0b)
Configs | CompilationMode:tiered, RunKind:micro
### Improvements in System.Net.Http.Tests.WinHttpHandlerPerfTest
Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|
- [Get - Duration of single invocation]()
- 📝 - [Benchmark Source]()
- [ADX - Test Multi Config Graph]()
|
- [Get - Duration of single invocation]()
- 📝 - [Benchmark Source]()
- [ADX - Test Multi Config Graph]()
![graph]()
![graph]()
[Test Report]()
### 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Net.Http.Tests.WinHttpHandlerPerfTest*'
```
### System.Net.Http.Tests.WinHttpHandlerPerfTest.Get(ssl: True, chunkedResponse: False, responseLength: 100000)
#### ETL Files
#### Histogram
#### JIT Disasms
### System.Net.Http.Tests.WinHttpHandlerPerfTest.Get(ssl: True, chunkedResponse: True, responseLength: 100000)
#### 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)
---
### Run Information
Name | Value
-- | --
Architecture | x86
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [21d1570e075a895f62c292a5e1854947b97c7dbc](https://github.com/dotnet/runtime/commit/21d1570e075a895f62c292a5e1854947b97c7dbc)
Compare | [f397c835cc1c655505d2a22fd0cebb9e96733d0b](https://github.com/dotnet/runtime/commit/f397c835cc1c655505d2a22fd0cebb9e96733d0b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/21d1570e075a895f62c292a5e1854947b97c7dbc...f397c835cc1c655505d2a22fd0cebb9e96733d0b)
Configs | CompilationMode:tiered, RunKind:micro
### Improvements in System.Threading.Tasks.Tests.Perf_AsyncMethods
Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|
- [SingleYieldMethodInvocation - Duration of single invocation]()
- 📝 - [Benchmark Source]()
- [ADX - Test Multi Config Graph]()
|
- [Yield - Duration of single invocation]()
- 📝 - [Benchmark Source]()
- [ADX - Test Multi Config Graph]()
![graph]()
![graph]()
[Test Report]()
### 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Threading.Tasks.Tests.Perf_AsyncMethods*'
```
### System.Threading.Tasks.Tests.Perf_AsyncMethods.SingleYieldMethodInvocation
#### ETL Files
#### Histogram
#### JIT Disasms
### System.Threading.Tasks.Tests.Perf_AsyncMethods.Yield
#### 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)
---
### Run Information
Name | Value
-- | --
Architecture | x86
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [21d1570e075a895f62c292a5e1854947b97c7dbc](https://github.com/dotnet/runtime/commit/21d1570e075a895f62c292a5e1854947b97c7dbc)
Compare | [f397c835cc1c655505d2a22fd0cebb9e96733d0b](https://github.com/dotnet/runtime/commit/f397c835cc1c655505d2a22fd0cebb9e96733d0b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/21d1570e075a895f62c292a5e1854947b97c7dbc...f397c835cc1c655505d2a22fd0cebb9e96733d0b)
Configs | CompilationMode:tiered, RunKind:micro
### Improvements in System.IO.Pipes.Tests.Perf_NamedPipeStream
Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|
- [ReadWriteAsync - Duration of single invocation]()
- [ADX - Test Multi Config Graph]()
![graph]()
[Test Report]()
### 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.IO.Pipes.Tests.Perf_NamedPipeStream*'
```
### System.IO.Pipes.Tests.Perf_NamedPipeStream.ReadWriteAsync(size: 1000000, Options: None)
#### 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)
---
### Run Information
Name | Value
-- | --
Architecture | x86
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [21d1570e075a895f62c292a5e1854947b97c7dbc](https://github.com/dotnet/runtime/commit/21d1570e075a895f62c292a5e1854947b97c7dbc)
Compare | [f397c835cc1c655505d2a22fd0cebb9e96733d0b](https://github.com/dotnet/runtime/commit/f397c835cc1c655505d2a22fd0cebb9e96733d0b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/21d1570e075a895f62c292a5e1854947b97c7dbc...f397c835cc1c655505d2a22fd0cebb9e96733d0b)
Configs | CompilationMode:tiered, RunKind:micro
### Improvements in System.Collections.CreateAddAndClear<String>
Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|
- [IDictionary - Duration of single invocation]()
- 📝 - [Benchmark Source]()
- [ADX - Test Multi Config Graph]()
![graph]()
[Test Report]()
### 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.CreateAddAndClear*'
```
### System.Collections.CreateAddAndClear<String>.IDictionary(Size: 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)
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