---
id: pr-vllm-23972
repo: vllm-project/vllm
pr: 23972
title: '[Kernel] Faster pre-processing time for W4A8'
author: czhu-cohere
date: '2025-09-17'
url: https://github.com/vllm-project/vllm/pull/23972
source_category: upstream-code
architectures:
- sm100
tags:
- quantization
techniques: []
hardware_features: []
kernel_types:
- quantization
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: 3c068c637b9b1f945d5aa572da40553ab1691896
inclusion_reason: kernel file changes
changed_paths:
- csrc/quantization/cutlass_w4a8/w4a8_mm_entry.cu
head_ref_oid: d3320a26c72232bebf7b4a5b1956fe2aacf97ceb
artifact_dir: evidence/pull-bundles/vllm/gh-23972
---
# [Kernel] Faster pre-processing time for W4A8

- Repository: `vllm-project/vllm`
- PR: [23972](https://github.com/vllm-project/vllm/pull/23972)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/quantization/cutlass_w4a8/w4a8_mm_entry.cu`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-23972`
