dotnet / dotnet/perf-autofiling-issues

[Perf] Windows/arm64: 4 Regressions on 6/25/2026 10:45:38 AM +00:00

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arch-arm64 branch-refs/heads/main codegentype-r2r compilationmode-tiered kind-android_scenarios linkingtype-dynamic Look Again os-windows perf-regression runkind-android_scenarios runtime-coreclr runtimetype-coreclr untriaged
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Description

### Run Information

Name | Value
-- | --
Architecture | arm64
OS | Windows 10.0.22621
Queue | Pixel
Baseline | [fc23f447cfbddb07670e92dab98c794f0499d406](https://github.com/dotnet/runtime/commit/fc23f447cfbddb07670e92dab98c794f0499d406)
Compare | [ce71db3201f610d5a8cbf692cc3081f8784992fc](https://github.com/dotnet/runtime/commit/ce71db3201f610d5a8cbf692cc3081f8784992fc)
Diff | [Diff](https://github.com/dotnet/runtime/compare/fc23f447cfbddb07670e92dab98c794f0499d406...ce71db3201f610d5a8cbf692cc3081f8784992fc)
Configs | CodeGenType:R2R, CompilationMode:tiered, LinkingType:dynamic, RunKind:android_scenarios, RuntimeType:coreclr

### Regressions in SOD - Android HelloWorld APK Size

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

  • [SOD - Android HelloWorld APK Size - pub\HelloAndroid.apk]()
  • [ADX - Test Multi Config Graph]()
| 6.58 MB | 6.60 MB | 1.00 | 0.00 | True | | |
|
  • [SOD - Android HelloWorld APK Size - pub]()
  • [ADX - Test Multi Config Graph]()
| 6.58 MB | 6.60 MB | 1.00 | 0.00 | True | | |
|
  • [SOD - Android HelloWorld APK Size - SOD - Android HelloWorld APK Size]()
  • [ADX - Test Multi Config Graph]()
| 6.58 MB | 6.60 MB | 1.00 | 0.00 | True | | |
|
  • [SOD - Android HelloWorld APK Size - Aggregate - .apk]()
  • [ADX - Test Multi Config Graph]()
| 6.58 MB | 6.60 MB | 1.00 | 0.00 | True | | |

![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 'SOD - Android HelloWorld APK Size*'
```

### SOD - Android HelloWorld APK Size

#### 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 reported baseline and compare commits, then run performance/scripts/benchmarks_ci.py using the SOD - Android HelloWorld APK Size filter from the reproduction steps. Compare the generated report with the linked regression data and determine whether the APK-size change reproduces and which change introduced it; done means the regression is explained and addressed or confirmed as infrastructure noise.

Written by the indexing model from the issue text.

Assessment

Tech stack
android, python
Domain
mobile-dev, performance, testing-qa
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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