---
id: pr-sglang-7278
repo: sgl-project/sglang
pr: 7278
title: Add CUTLASS FP8 Blockscale MoE kernel for Hopper architecture
author: ayrnb
date: '2025-07-03'
url: https://github.com/sgl-project/sglang/pull/7278
source_category: upstream-code
architectures:
- sm100
- sm90
tags:
- fp8
- gemm
- moe
techniques: []
hardware_features:
- fp8
kernel_types:
- gemm
- moe
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: 2c4feaf30875728d278748221711e88e83ebc2ca
inclusion_reason: kernel file changes
changed_paths:
- sgl-kernel/benchmark/bench_fp8_blockwise_group_gemm.py
- sgl-kernel/csrc/moe/fp8_blockwise_moe_kernel.cu
- sgl-kernel/tests/test_fp8_blockwise_moe.py
head_ref_oid: 95f28607b9ea44cbf223c2998d2ee84105d2782c
artifact_dir: evidence/pull-bundles/sglang/gh-7278
---
# Add CUTLASS FP8 Blockscale MoE kernel for Hopper architecture

- Repository: `sgl-project/sglang`
- PR: [7278](https://github.com/sgl-project/sglang/pull/7278)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `sgl-kernel/benchmark/bench_fp8_blockwise_group_gemm.py`
- `sgl-kernel/csrc/moe/fp8_blockwise_moe_kernel.cu`
- `sgl-kernel/tests/test_fp8_blockwise_moe.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-7278`
