---
id: pr-triton-10318
repo: triton-lang/triton
pr: 10318
title: Support MN-packing in decomposed fp4 dot_scaled
author: masahi
date: '2026-05-15'
url: https://github.com/triton-lang/triton/pull/10318
source_category: upstream-code
architectures:
- sm100
tags:
- blackwell
- fp4
techniques: []
hardware_features:
- blackwell
- fp4
kernel_types: []
languages:
- triton
captured_at: '2026-05-16'
status: merged
merge_sha: 3c71c5f3843c9ace64c0881e9224aa4448276d1a
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- lib/Dialect/TritonGPU/Transforms/DecomposeScaledBlocked.cpp
- python/test/unit/language/test_matmul.py
- test/TritonGPU/accelerate-matmul.mlir
artifact_dir: evidence/pull-bundles/triton/gh-10318
head_ref_oid: c12454cad6108e6e98c85882ed6285b822e1710b
---
# Support MN-packing in decomposed fp4 dot_scaled

- Repository: `triton-lang/triton`
- PR: [10318](https://github.com/triton-lang/triton/pull/10318)
- Decision: `Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.`
- Reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.

## Changed Paths

- `lib/Dialect/TritonGPU/Transforms/DecomposeScaledBlocked.cpp`
- `python/test/unit/language/test_matmul.py`
- `test/TritonGPU/accelerate-matmul.mlir`

## Evidence Bundle

`evidence/pull-bundles/triton/gh-10318`
