---
id: pr-sglang-13731
repo: sgl-project/sglang
pr: 13731
title: '[sgl-kernel][Feat][B200][1/N]Support MXFP8 Grouped GEMM in Blackwell'
author: HydraQYH
date: '2025-12-04'
url: https://github.com/sgl-project/sglang/pull/13731
source_category: upstream-code
architectures:
- sm100
tags:
- fp8
- gemm
- moe
techniques: []
hardware_features:
- fp8
kernel_types:
- gemm
- moe
languages:
- cuda-cpp
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 16ff892c18c5decb0706fe262b4a046fbc4cc295
inclusion_reason: kernel file changes
changed_paths:
- sgl-kernel/CMakeLists.txt
- sgl-kernel/csrc/common_extension.cc
- sgl-kernel/csrc/expert_specialization/es_sm100_mxfp8_blockscaled.cu
- sgl-kernel/csrc/expert_specialization/es_sm100_mxfp8_blockscaled_functor.cuh
- sgl-kernel/csrc/expert_specialization/es_sm100_mxfp8_blockscaled_group_quant.cu
- sgl-kernel/csrc/expert_specialization/es_sm100_mxfp8_blockscaled_group_quant.cuh
- sgl-kernel/csrc/expert_specialization/es_sm100_mxfp8_blockscaled_launcher.cuh
- sgl-kernel/csrc/expert_specialization/es_sm100_mxfp8_blockscaled_traits.cuh
- sgl-kernel/include/sgl_kernel_ops.h
- sgl-kernel/python/sgl_kernel/__init__.py
- sgl-kernel/python/sgl_kernel/expert_specialization.py
- sgl-kernel/tests/test_es_mxfp8_blockscaled_moe.py
head_ref_oid: 1eb2028672fc664ca1a81f189589b214de35e7d4
artifact_dir: evidence/pull-bundles/sglang/gh-13731
---
# [sgl-kernel][Feat][B200][1/N]Support MXFP8 Grouped GEMM in Blackwell

- Repository: `sgl-project/sglang`
- PR: [13731](https://github.com/sgl-project/sglang/pull/13731)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `sgl-kernel/CMakeLists.txt`
- `sgl-kernel/csrc/common_extension.cc`
- `sgl-kernel/csrc/expert_specialization/es_sm100_mxfp8_blockscaled.cu`
- `sgl-kernel/csrc/expert_specialization/es_sm100_mxfp8_blockscaled_functor.cuh`
- `sgl-kernel/csrc/expert_specialization/es_sm100_mxfp8_blockscaled_group_quant.cu`
- `sgl-kernel/csrc/expert_specialization/es_sm100_mxfp8_blockscaled_group_quant.cuh`
- `sgl-kernel/csrc/expert_specialization/es_sm100_mxfp8_blockscaled_launcher.cuh`
- `sgl-kernel/csrc/expert_specialization/es_sm100_mxfp8_blockscaled_traits.cuh`
- `sgl-kernel/include/sgl_kernel_ops.h`
- `sgl-kernel/python/sgl_kernel/__init__.py`
- `sgl-kernel/python/sgl_kernel/expert_specialization.py`
- `sgl-kernel/tests/test_es_mxfp8_blockscaled_moe.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-13731`
