dotnet / dotnet/perf-autofiling-issues

[Perf] Linux/arm64: 1 Improvement on 6/23/2026 8:41:58 PM +00:00

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#75,010 1 comment 0 reactions 0 assignees View on GitHub
arch-arm64 branch-refs/heads/main compilationmode-tiered kind-micro Noise os-linux perf-improvement runkind-micro runtime-coreclr untriaged
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Description

### Run Information

Name | Value
-- | --
Architecture | arm64
OS | azurelinux 3.0
Queue | CobaltAzureLinux
Baseline | [e3ecd30e4d6bfeedec6b4730c8ef87951cfe1f17](https://github.com/dotnet/runtime/commit/e3ecd30e4d6bfeedec6b4730c8ef87951cfe1f17)
Compare | [feb1fe23e41b7af2401edbd4230bf11dcb9cfc96](https://github.com/dotnet/runtime/commit/feb1fe23e41b7af2401edbd4230bf11dcb9cfc96)
Diff | [Diff](https://github.com/dotnet/runtime/compare/e3ecd30e4d6bfeedec6b4730c8ef87951cfe1f17...feb1fe23e41b7af2401edbd4230bf11dcb9cfc96)
Configs | CompilationMode:tiered, RunKind:micro

### Improvements in ByteMark

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

  • [BenchNeuralJagged - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 1039.88 ms | 925.85 ms | 0.89 | 0.22 | 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'ByteMark*'
```

### ByteMark.BenchNeuralJagged

#### 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)

Contributor guide

No contributing guide indexed for this repository

Research direction

Start with the ByteMark.cs benchmark source around lines 501-510 and the linked Test Report for BenchNeuralJagged. Reproduce the result with the documented benchmarks_ci.py command and compare the ARM64 AzureLinux data; the issue does not specify a code change or acceptance condition, so the next action requires triage.

Written by the indexing model from the issue text.

Assessment

Tech stack
azure, linux
Domain
performance
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
35/100

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