[Perf] Linux/x64: 2 Improvements on 8/5/2026 6:23:30 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [f107b2325cccfd453f9bf46013159f4704ea56c2](https://github.com/dotnet/runtime/commit/f107b2325cccfd453f9bf46013159f4704ea56c2)
Compare | [b6caa7d9ec9b346b2b09a31ab3fccfe7d049b723](https://github.com/dotnet/runtime/commit/b6caa7d9ec9b346b2b09a31ab3fccfe7d049b723)
Diff | [Diff](https://github.com/dotnet/runtime/compare/f107b2325cccfd453f9bf46013159f4704ea56c2...b6caa7d9ec9b346b2b09a31ab3fccfe7d049b723)
Configs | CompilationMode:tiered, RunKind:micro

### Improvements in System.Collections.TryGetValueTrue<BigStruct, BigStruct>

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

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

| 164.92 μs | 147.77 μs | 0.90 | 0.19 | False | | |
|

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

| 158.75 μs | 145.56 μs | 0.92 | 0.16 | 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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.TryGetValueTrue*'
```

### System.Collections.TryGetValueTrue<BigStruct, BigStruct>.IDictionary(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.TryGetValueTrue<BigStruct, BigStruct>.FrozenDictionaryOptimized(Size: 512)

#### 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 source at src/benchmarks/micro/libraries/System.Collections/TryGetValue/TryGetValueTrue.cs, then read the benchmarking workflow linked in the issue and compare the supplied baseline and test reports. Determine whether the reported improvement requires an actionable runtime change or only triage; completion should include a documented conclusion supported by the benchmark results.

Written by the indexing model from the issue text.