[Perf] Linux/x64: 3 Regressions on 5/4/2026 8:53:24 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [d3d9bbbf2028bc388d245a60a03d216c3582f605](https://github.com/dotnet/sdk/commit/d3d9bbbf2028bc388d245a60a03d216c3582f605)
Compare | [3c45e4f3e8b0e9069e8b740c7cfa610075c8ca34](https://github.com/dotnet/sdk/commit/3c45e4f3e8b0e9069e8b740c7cfa610075c8ca34)
Diff | [Diff](https://github.com/dotnet/sdk/compare/d3d9bbbf2028bc388d245a60a03d216c3582f605...3c45e4f3e8b0e9069e8b740c7cfa610075c8ca34)
Configs | CompilationMode:tiered, RunKind:bepuphysics

### Regressions in DemoBenchmarks.GatherScatterBenchmarks

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

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

| 21.35 μs | 25.33 μs | 1.19 | 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 'DemoBenchmarks.GatherScatterBenchmarks*'
```

### DemoBenchmarks.GatherScatterBenchmarks.GatherState

#### 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 | [d3d9bbbf2028bc388d245a60a03d216c3582f605](https://github.com/dotnet/sdk/commit/d3d9bbbf2028bc388d245a60a03d216c3582f605)
Compare | [3c45e4f3e8b0e9069e8b740c7cfa610075c8ca34](https://github.com/dotnet/sdk/commit/3c45e4f3e8b0e9069e8b740c7cfa610075c8ca34)
Diff | [Diff](https://github.com/dotnet/sdk/compare/d3d9bbbf2028bc388d245a60a03d216c3582f605...3c45e4f3e8b0e9069e8b740c7cfa610075c8ca34)
Configs | CompilationMode:tiered, RunKind:bepuphysics

### Regressions in DemoBenchmarks.OneBodyConstraintBenchmarks

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

• [Contact4OneBody - Duration of single invocation]()
• 📝 - [Benchmark Source]()
• [ADX - Test Multi Config Graph]()

| 159.57 μs | 269.82 μs | 1.69 | 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 'DemoBenchmarks.OneBodyConstraintBenchmarks*'
```

### DemoBenchmarks.OneBodyConstraintBenchmarks.Contact4OneBody

#### 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 | [d3d9bbbf2028bc388d245a60a03d216c3582f605](https://github.com/dotnet/sdk/commit/d3d9bbbf2028bc388d245a60a03d216c3582f605)
Compare | [3c45e4f3e8b0e9069e8b740c7cfa610075c8ca34](https://github.com/dotnet/sdk/commit/3c45e4f3e8b0e9069e8b740c7cfa610075c8ca34)
Diff | [Diff](https://github.com/dotnet/sdk/compare/d3d9bbbf2028bc388d245a60a03d216c3582f605...3c45e4f3e8b0e9069e8b740c7cfa610075c8ca34)
Configs | CompilationMode:tiered, RunKind:bepuphysics

### Regressions in DemoBenchmarks.TwoBodyConstraintBenchmarks

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

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

| 86.23 μs | 104.04 μs | 1.21 | 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 'DemoBenchmarks.TwoBodyConstraintBenchmarks*'
```

### DemoBenchmarks.TwoBodyConstraintBenchmarks.BallSocket

#### 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)