---
id: pr-triton-10275
repo: triton-lang/triton
pr: 10275
title: Support zero-sized Hopper MX scale layouts
author: roman-openai
date: '2026-05-11'
url: https://github.com/triton-lang/triton/pull/10275
source_category: upstream-code
architectures:
- sm100
- sm90
tags:
- blackwell
- hopper
- mxfp4
- triton
techniques: []
hardware_features:
- blackwell
- fp4
- hopper
- mxfp4
kernel_types: []
languages:
- triton
captured_at: '2026-05-16'
status: merged
merge_sha: 3406408bd9fc98b1fbf35a303c67585e6669224a
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- python/triton_kernels/tests/test_tensor_details/test_layout_hopper.py
- python/triton_kernels/triton_kernels/tensor_details/layout_details/hopper_scale.py
- python/triton_kernels/triton_kernels/tensor_details/layout_details/strided.py
artifact_dir: evidence/pull-bundles/triton/gh-10275
head_ref_oid: b8df62b247fe93a3da4f2e8de970389c99880847
---
# Support zero-sized Hopper MX scale layouts

- Repository: `triton-lang/triton`
- PR: [10275](https://github.com/triton-lang/triton/pull/10275)
- 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

- `python/triton_kernels/tests/test_tensor_details/test_layout_hopper.py`
- `python/triton_kernels/triton_kernels/tensor_details/layout_details/hopper_scale.py`
- `python/triton_kernels/triton_kernels/tensor_details/layout_details/strided.py`

## Evidence Bundle

`evidence/pull-bundles/triton/gh-10275`
