[Perf] Windows/x86: 2 Improvements on 7/2/2026 5:21:31 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x86
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [8fe2929f5e365d262ca514854330c979fe6ab28b](https://github.com/dotnet/runtime/commit/8fe2929f5e365d262ca514854330c979fe6ab28b)
Compare | [737bb13490afe5ef9dc24bc44e9a1f3c21e478b5](https://github.com/dotnet/runtime/commit/737bb13490afe5ef9dc24bc44e9a1f3c21e478b5)
Diff | [Diff](https://github.com/dotnet/runtime/compare/8fe2929f5e365d262ca514854330c979fe6ab28b...737bb13490afe5ef9dc24bc44e9a1f3c21e478b5)
Configs | CompilationMode:tiered, RunKind:micro

### Improvements in System.Linq.Tests.Perf_Enumerable

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

• [Min - Duration of single invocation]()
• 📝 - [Benchmark Source]()
• [ADX - Test Multi Config Graph]()

| 433.23 ns | 354.22 ns | 0.82 | 0.49 | False | | |
|

• [ElementAt - Duration of single invocation]()
• 📝 - [Benchmark Source]()
• [ADX - Test Multi Config Graph]()

| 126.10 ns | 117.62 ns | 0.93 | 0.44 | False | | |

![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 'System.Linq.Tests.Perf_Enumerable*'
```

### System.Linq.Tests.Perf_Enumerable.Min(input: IEnumerable)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.ElementAt(input: IEnumerable)

#### 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)

Start with the benchmark entries in src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs at lines 319-321 and 375-377, then run the provided benchmarks_ci.py command using the System.Linq.Tests.Perf_Enumerable filter. Compare the Min and ElementAt results with the linked report; done means the reported performance behavior is understood and the relevant runtime change is validated by the benchmark.

Written by the indexing model from the issue text.