---
id: pr-sglang-12581
repo: sgl-project/sglang
pr: 12581
title: '[NVIDIA] Fix CUDA arch requirement in nvfp4 cast'
author: Kh4L
date: '2026-01-22'
url: https://github.com/sgl-project/sglang/pull/12581
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: e95668abc7811c53e427ae7f986d0e9bc8af6bfd
inclusion_reason: kernel file changes
changed_paths:
- sgl-kernel/csrc/gemm/nvfp4_quant.cuh
head_ref_oid: 3a1bcac522b75c8edf9c4c95dfbfb9a15c2e5956
artifact_dir: evidence/pull-bundles/sglang/gh-12581
---
# [NVIDIA] Fix CUDA arch requirement in nvfp4 cast

- Repository: `sgl-project/sglang`
- PR: [12581](https://github.com/sgl-project/sglang/pull/12581)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `sgl-kernel/csrc/gemm/nvfp4_quant.cuh`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-12581`
