dotnet / dotnet/perf-autofiling-issues

[Perf] Windows/x64: 1 Improvement on 8/10/2026 9:25:30 AM +00:00

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#77,612 1 comment 0 reactions 0 assignees View on GitHub
arch-x64 branch-11.0 compilationmode-tiered kind-mlnet Look Again os-windows perf-improvement runkind-mlnet runtime-coreclr untriaged
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Description

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [8a6d49a3ce3bd6d5fcbac911e446b9cce5767ae4](https://github.com/dotnet/sdk/commit/8a6d49a3ce3bd6d5fcbac911e446b9cce5767ae4)
Compare | [7fb8cef14d9ae6bd729b04638f88d00f1ba7eb99](https://github.com/dotnet/sdk/commit/7fb8cef14d9ae6bd729b04638f88d00f1ba7eb99)
Diff | [Diff](https://github.com/dotnet/sdk/compare/8a6d49a3ce3bd6d5fcbac911e446b9cce5767ae4...7fb8cef14d9ae6bd729b04638f88d00f1ba7eb99)
Configs | CompilationMode:tiered, RunKind:mlnet

### Improvements in Microsoft.ML.Benchmarks.HashBench

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

  • [HashVectorDouble - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 4.67 ms | 4.16 ms | 0.89 | 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 'Microsoft.ML.Benchmarks.HashBench*'
```

### Microsoft.ML.Benchmarks.HashBench.HashVectorDouble

#### 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 src/benchmarks/real-world/Microsoft.ML.Benchmarks/HashBench.cs at lines 180-181 and review the linked HashVectorDouble benchmark report. Run the provided benchmarks_ci.py command and compare the Windows/x64 result with the listed baseline and comparison commits. The issue does not define a requested code change, so completion would require identifying an actionable performance fix or confirming that no change is needed.

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
Quiet
Clarity
Needs clarification
Newbie friendliness
28/100

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