[Perf] Linux/x64: 2 Regressions on 8/2/2026 9:14:13 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [77a60772669bc6602e26076c7ff0c3ebae137445](https://github.com/dotnet/sdk/commit/77a60772669bc6602e26076c7ff0c3ebae137445)
Compare | [5da2de22f7c6e2ebe7ed4c16c614b00183145d3c](https://github.com/dotnet/sdk/commit/5da2de22f7c6e2ebe7ed4c16c614b00183145d3c)
Diff | [Diff](https://github.com/dotnet/sdk/compare/77a60772669bc6602e26076c7ff0c3ebae137445...5da2de22f7c6e2ebe7ed4c16c614b00183145d3c)
Configs | CompilationMode:tiered, RunKind:imagesharp

### Regressions in SixLabors.ImageSharp.Benchmarks.Codecs.DecodeFilteredPng

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

• [PngFilter0 - Duration of single invocation]()
• 📝 - [Benchmark Source]()
• [ADX - Test Multi Config Graph]()

| 18.06 μs | 21.07 μs | 1.17 | 0.00 | True | | |
|

• [PngFilter2 - Duration of single invocation]()
• 📝 - [Benchmark Source]()
• [ADX - Test Multi Config Graph]()

| 15.47 μs | 17.65 μs | 1.14 | 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 'SixLabors.ImageSharp.Benchmarks.Codecs.DecodeFilteredPng*'
```

### SixLabors.ImageSharp.Benchmarks.Codecs.DecodeFilteredPng.PngFilter0

#### ETL Files

#### Histogram

#### JIT Disasms

### SixLabors.ImageSharp.Benchmarks.Codecs.DecodeFilteredPng.PngFilter2

#### 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 src/benchmarks/real-world/ImageSharp/Codecs/DecodeFilteredPng.cs and run the documented benchmarks_ci.py command with the DecodeFilteredPng filter on Ubuntu. Compare the baseline and test commits and use the linked reports to investigate both PNG filter regressions; done means the reported performance regressions are resolved or explained by a confirmed change.

Written by the indexing model from the issue text.