---
id: pr-vllm-35105
repo: vllm-project/vllm
pr: 35105
title: '[Refactor][Kernel] Add global helper to deduplicate vectorized memory ops'
author: LopezCastroRoberto
date: '2026-02-28'
url: https://github.com/vllm-project/vllm/pull/35105
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: a201ad72d87eaaa1fe20e2f42378be4ddbc867f4
inclusion_reason: defer
changed_paths:
- csrc/activation_kernels.cu
- csrc/cuda_vec_utils.cuh
- csrc/quantization/fp4/activation_nvfp4_quant_fusion_kernels.cu
- csrc/quantization/fp4/nvfp4_experts_quant.cu
- csrc/quantization/fp4/nvfp4_quant_kernels.cu
- csrc/quantization/fp4/nvfp4_utils.cuh
artifact_dir: evidence/pull-bundles/vllm/gh-35105
head_ref_oid: 090159280c022fe3cd25120bd59ff5b2221afde5
---
# [Refactor][Kernel] Add global helper to deduplicate vectorized memory ops

- Repository: `vllm-project/vllm`
- PR: [35105](https://github.com/vllm-project/vllm/pull/35105)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `csrc/activation_kernels.cu`
- `csrc/cuda_vec_utils.cuh`
- `csrc/quantization/fp4/activation_nvfp4_quant_fusion_kernels.cu`
- `csrc/quantization/fp4/nvfp4_experts_quant.cu`
- `csrc/quantization/fp4/nvfp4_quant_kernels.cu`
- `csrc/quantization/fp4/nvfp4_utils.cuh`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-35105`
