[Perf] Linux/x64: 5 Improvements on 5/12/2026 6:28:00 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [d64191f29ec9042e2696d8b7d8326c4bd10ba268](https://github.com/dotnet/sdk/commit/d64191f29ec9042e2696d8b7d8326c4bd10ba268)
Compare | [547c640d5626b2976499cb3433abc741a63d67c5](https://github.com/dotnet/sdk/commit/547c640d5626b2976499cb3433abc741a63d67c5)
Diff | [Diff](https://github.com/dotnet/sdk/compare/d64191f29ec9042e2696d8b7d8326c4bd10ba268...547c640d5626b2976499cb3433abc741a63d67c5)
Configs | CompilationMode:tiered, RunKind:akadeindexedset

### Improvements in Akade.IndexedSet.Benchmarks.PrefixIndexBenchmarks

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

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

| 25.41 μs | 20.65 μs | 0.81 | 0.00 | True | | |
|

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

| 572.88 ns | 505.10 ns | 0.88 | 0.00 | True | | |

![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 'Akade.IndexedSet.Benchmarks.PrefixIndexBenchmarks*'
```

### Akade.IndexedSet.Benchmarks.PrefixIndexBenchmarks.FuzzyStartsWith_IndexedSet

#### ETL Files

#### Histogram

#### JIT Disasms

### Akade.IndexedSet.Benchmarks.PrefixIndexBenchmarks.StartsWith_IndexedSet

#### 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)

---

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [d64191f29ec9042e2696d8b7d8326c4bd10ba268](https://github.com/dotnet/sdk/commit/d64191f29ec9042e2696d8b7d8326c4bd10ba268)
Compare | [547c640d5626b2976499cb3433abc741a63d67c5](https://github.com/dotnet/sdk/commit/547c640d5626b2976499cb3433abc741a63d67c5)
Diff | [Diff](https://github.com/dotnet/sdk/compare/d64191f29ec9042e2696d8b7d8326c4bd10ba268...547c640d5626b2976499cb3433abc741a63d67c5)
Configs | CompilationMode:tiered, RunKind:akadeindexedset

### Improvements in Akade.IndexedSet.Benchmarks.ConcurrentSetBenchmarks

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

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

| 32.56 μs | 23.79 μs | 0.73 | 0.00 | True | | |
|

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

| 31.93 μs | 23.67 μs | 0.74 | 0.00 | True | | |

![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 'Akade.IndexedSet.Benchmarks.ConcurrentSetBenchmarks*'
```

### Akade.IndexedSet.Benchmarks.ConcurrentSetBenchmarks.FullTextLookup

#### ETL Files

#### Histogram

#### JIT Disasms

### Akade.IndexedSet.Benchmarks.ConcurrentSetBenchmarks.ConcurrentFullTextLookup

#### 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)

---

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [d64191f29ec9042e2696d8b7d8326c4bd10ba268](https://github.com/dotnet/sdk/commit/d64191f29ec9042e2696d8b7d8326c4bd10ba268)
Compare | [547c640d5626b2976499cb3433abc741a63d67c5](https://github.com/dotnet/sdk/commit/547c640d5626b2976499cb3433abc741a63d67c5)
Diff | [Diff](https://github.com/dotnet/sdk/compare/d64191f29ec9042e2696d8b7d8326c4bd10ba268...547c640d5626b2976499cb3433abc741a63d67c5)
Configs | CompilationMode:tiered, RunKind:akadeindexedset

### Improvements in Akade.IndexedSet.Benchmarks.RangeIndexBenchmarks

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

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

| 3.18 μs | 2.71 μs | 0.85 | 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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'Akade.IndexedSet.Benchmarks.RangeIndexBenchmarks*'
```

### Akade.IndexedSet.Benchmarks.RangeIndexBenchmarks.Range_IndexedSet

#### 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 PrefixIndexBenchmarks.cs, ConcurrentSetBenchmarks.cs, and RangeIndexBenchmarks.cs at the linked benchmark lines, then run the provided benchmarks_ci.py command with the listed filter. Compare the generated results with the linked reports; the issue does not specify a target fix, so completion would require identifying an actionable performance cause and validating it with benchmarks.

Written by the indexing model from the issue text.