[Perf] Linux/arm64: 3 Improvements on 2/15/2026 6:28:00 AM -08:00

### Run Information

Name | Value
-- | --
Architecture | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [1969a31f6755d0baf5553eca5ec4c2576a539a2a](https://github.com/dotnet/runtime/commit/1969a31f6755d0baf5553eca5ec4c2576a539a2a)
Compare | [a27de4a8c3d2b6a6636e1a9d810ab39d260a5380](https://github.com/dotnet/runtime/commit/a27de4a8c3d2b6a6636e1a9d810ab39d260a5380)
Diff | [Diff](https://github.com/dotnet/runtime/compare/1969a31f6755d0baf5553eca5ec4c2576a539a2a...a27de4a8c3d2b6a6636e1a9d810ab39d260a5380)
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]()

| 302.06 μs | 274.72 μs | 0.91 | 0.12 | False | | |

![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
python3 .\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 | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [1be81201324528909e18b8c08511d24e277e70cc](https://github.com/dotnet/runtime/commit/1be81201324528909e18b8c08511d24e277e70cc)
Compare | [a27de4a8c3d2b6a6636e1a9d810ab39d260a5380](https://github.com/dotnet/runtime/commit/a27de4a8c3d2b6a6636e1a9d810ab39d260a5380)
Diff | [Diff](https://github.com/dotnet/runtime/compare/1be81201324528909e18b8c08511d24e277e70cc...a27de4a8c3d2b6a6636e1a9d810ab39d260a5380)
Configs | CompilationMode:tiered, RunKind:micro

### Improvements in System.Threading.Channels.Tests.UnboundedChannelPerfTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|

• [PingPong - Duration of single invocation]()
• [ADX - Test Multi Config Graph]()

| 26.59 ms | 18.00 ms | 0.68 | 0.52 | False | | |

![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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Threading.Channels.Tests.UnboundedChannelPerfTests*'
```

### System.Threading.Channels.Tests.UnboundedChannelPerfTests.PingPong

#### 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 | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [1969a31f6755d0baf5553eca5ec4c2576a539a2a](https://github.com/dotnet/runtime/commit/1969a31f6755d0baf5553eca5ec4c2576a539a2a)
Compare | [a27de4a8c3d2b6a6636e1a9d810ab39d260a5380](https://github.com/dotnet/runtime/commit/a27de4a8c3d2b6a6636e1a9d810ab39d260a5380)
Diff | [Diff](https://github.com/dotnet/runtime/compare/1969a31f6755d0baf5553eca5ec4c2576a539a2a...a27de4a8c3d2b6a6636e1a9d810ab39d260a5380)
Configs | CompilationMode:tiered, RunKind:micro

### Improvements in System.Threading.Channels.Tests.BoundedChannelPerfTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|

• [PingPong - Duration of single invocation]()
• [ADX - Test Multi Config Graph]()

| 26.55 ms | 19.77 ms | 0.74 | 0.52 | False | | |

![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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Threading.Channels.Tests.BoundedChannelPerfTests*'
```

### System.Threading.Channels.Tests.BoundedChannelPerfTests.PingPong

#### 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)