---
id: pr-sglang-4953
repo: sgl-project/sglang
pr: 4953
title: '[Build] Fix cuda12.8 build error in nvfp4_scaled_mm_kernels.cu'
author: guoyuhong
date: '2025-03-31'
url: https://github.com/sgl-project/sglang/pull/4953
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- gemm
- nvfp4
techniques: []
hardware_features:
- fp4
- nvfp4
kernel_types:
- gemm
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: ee47a6c1c3b560b41702b85c4193507af3bebfbb
inclusion_reason: kernel file changes
changed_paths:
- sgl-kernel/csrc/gemm/nvfp4_scaled_mm_kernels.cu
head_ref_oid: 7bf058c3ef7bb4361d5449771466df315acbc991
artifact_dir: evidence/pull-bundles/sglang/gh-4953
---
# [Build] Fix cuda12.8 build error in nvfp4_scaled_mm_kernels.cu

- Repository: `sgl-project/sglang`
- PR: [4953](https://github.com/sgl-project/sglang/pull/4953)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `sgl-kernel/csrc/gemm/nvfp4_scaled_mm_kernels.cu`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-4953`
