dotnet / dotnet/perf-autofiling-issues

[Perf] Windows/x86: 1 Regression on 7/13/2026 9:05:18 AM +00:00

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arch-x86 branch-11.0 compilationmode-tiered kind-sdk_scenarios Look Again os-windows perf-regression runkind-sdk_scenarios untriaged
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Description

### Run Information

Name | Value
-- | --
Architecture | x86
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [ca60c43d982bb8e171b66ef8a38a777e004768ba](https://github.com/dotnet/sdk/commit/ca60c43d982bb8e171b66ef8a38a777e004768ba)
Compare | [50dbab4de210e882172b07934e9666313b7065f1](https://github.com/dotnet/sdk/commit/50dbab4de210e882172b07934e9666313b7065f1)
Diff | [Diff](https://github.com/dotnet/sdk/compare/ca60c43d982bb8e171b66ef8a38a777e004768ba...50dbab4de210e882172b07934e9666313b7065f1)
Configs | CompilationMode:tiered, RunKind:sdk_scenarios

### Regressions in SDK F# Console Template Clean Build

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

  • [SDK F# Console Template Clean Build - Process Time]()
  • [ADX - Test Multi Config Graph]()
| 2446.37 ms | 2561.71 ms | 1.05 | 0.00 | True | | |

![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 'SDK F# Console Template Clean Build*'
```

### SDK F# Console Template Clean Build

#### 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 linked baseline and compare commits, then run the provided benchmarks_ci.py command for the SDK F# Console Template Clean Build scenario. Review the linked performance report and diff to identify the source of the 5% Windows x86 regression. Done means the regression has a documented cause and a verified resolution or disposition.

Written by the indexing model from the issue text.

Assessment

Tech stack
fsharp, git, python
Domain
performance, testing
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
25/100

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