---
id: pr-vllm-34448
repo: vllm-project/vllm
pr: 34448
title: '[Kernel] Integrate SM100 MXFP8 blockscaled grouped MM and quant kernels'
author: EdalatiAli
date: '2026-03-02'
url: https://github.com/vllm-project/vllm/pull/34448
source_category: upstream-code
architectures:
- sm100
tags:
- fp8
- moe
techniques: []
hardware_features:
- fp8
kernel_types:
- moe
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: cb21972a976b01e5ee1d899ab744207826435684
inclusion_reason: kernel file changes
changed_paths:
- CMakeLists.txt
- csrc/moe/mxfp8_moe/cutlass_mxfp8_grouped_mm.cu
- csrc/moe/mxfp8_moe/cutlass_mxfp8_grouped_mm_functor.cuh
- csrc/moe/mxfp8_moe/cutlass_mxfp8_grouped_mm_launcher.cuh
- csrc/moe/mxfp8_moe/cutlass_mxfp8_grouped_mm_traits.cuh
- csrc/moe/mxfp8_moe/mxfp8_experts_quant.cu
- csrc/moe/mxfp8_moe/mxfp8_experts_quant.cuh
- csrc/torch_bindings.cpp
- tests/kernels/moe/test_cutlass_mxfp8_grouped_mm.py
- vllm/_custom_ops.py
head_ref_oid: 9ef9dc00c97342569d6e77bd4c3c9ed0a7360f70
artifact_dir: evidence/pull-bundles/vllm/gh-34448
---
# [Kernel] Integrate SM100 MXFP8 blockscaled grouped MM and quant kernels

- Repository: `vllm-project/vllm`
- PR: [34448](https://github.com/vllm-project/vllm/pull/34448)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `CMakeLists.txt`
- `csrc/moe/mxfp8_moe/cutlass_mxfp8_grouped_mm.cu`
- `csrc/moe/mxfp8_moe/cutlass_mxfp8_grouped_mm_functor.cuh`
- `csrc/moe/mxfp8_moe/cutlass_mxfp8_grouped_mm_launcher.cuh`
- `csrc/moe/mxfp8_moe/cutlass_mxfp8_grouped_mm_traits.cuh`
- `csrc/moe/mxfp8_moe/mxfp8_experts_quant.cu`
- `csrc/moe/mxfp8_moe/mxfp8_experts_quant.cuh`
- `csrc/torch_bindings.cpp`
- `tests/kernels/moe/test_cutlass_mxfp8_grouped_mm.py`
- `vllm/_custom_ops.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-34448`
