dotnet / dotnet/perf-autofiling-issues

[Perf] Windows/x64: 1 Improvement on 9/13/2026 9:46:30 AM +00:00

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arch-x64 branch-11.0 compilationmode-tiered kind-akadeindexedset Look Again os-windows perf-improvement runkind-akadeindexedset runtime-coreclr untriaged
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Description

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [1fee94ef34a9c6e2e4cf4199d9a546ef8a2a927d](https://github.com/dotnet/sdk/commit/1fee94ef34a9c6e2e4cf4199d9a546ef8a2a927d)
Compare | [fb92951eceabe91c5015b35e49acdbc9c867aaf8](https://github.com/dotnet/sdk/commit/fb92951eceabe91c5015b35e49acdbc9c867aaf8)
Diff | [Diff](https://github.com/dotnet/sdk/compare/1fee94ef34a9c6e2e4cf4199d9a546ef8a2a927d...fb92951eceabe91c5015b35e49acdbc9c867aaf8)
Configs | CompilationMode:tiered, RunKind:akadeindexedset

### Improvements in Akade.IndexedSet.Benchmarks.UniqueIndexBenchmarks

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

  • [Unique_IndexedSet_Single - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 1.26 μs | 1.11 μs | 0.88 | 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 'Akade.IndexedSet.Benchmarks.UniqueIndexBenchmarks*'
```

### Akade.IndexedSet.Benchmarks.UniqueIndexBenchmarks.Unique_IndexedSet_Single

#### 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 benchmark source in src/benchmarks/real-world/Akade.IndexedSet.Benchmarks/UniqueLookupBenchmarks.cs, especially lines 40-49, and run the provided benchmarks_ci.py command. Compare the Unique_IndexedSet_Single result with the linked report and inspect the profiling workflow documentation. Done means the improvement is reproduced and its cause or disposition is recorded.

Written by the indexing model from the issue text.

Assessment

Tech stack
csharp
Domain
performance
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Active
Clarity
Needs clarification
Newbie friendliness
38/100

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