---
id: pr-vllm-33517
repo: vllm-project/vllm
pr: 33517
title: '[Kernel] Add enable_sm120_or_later for SM121 (DGX Spark) CUTLASS support'
author: Code4me2
date: '2026-02-07'
url: https://github.com/vllm-project/vllm/pull/33517
source_category: upstream-code
architectures:
- sm100
tags:
- fp8
- quantization
techniques: []
hardware_features:
- fp8
kernel_types:
- quantization
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: bc32444b238d2ec3726f599cf3fc67dbaf51a6c6
inclusion_reason: kernel file changes
changed_paths:
- csrc/cutlass_extensions/common.hpp
- csrc/quantization/w8a8/cutlass/c3x/scaled_mm_blockwise_sm120_fp8_dispatch.cuh
head_ref_oid: b9d5735cd6b333182baec3dc779fff2f77f1a220
artifact_dir: evidence/pull-bundles/vllm/gh-33517
---
# [Kernel] Add enable_sm120_or_later for SM121 (DGX Spark) CUTLASS support

- Repository: `vllm-project/vllm`
- PR: [33517](https://github.com/vllm-project/vllm/pull/33517)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/cutlass_extensions/common.hpp`
- `csrc/quantization/w8a8/cutlass/c3x/scaled_mm_blockwise_sm120_fp8_dispatch.cuh`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-33517`
