---
id: pr-vllm-18000
repo: vllm-project/vllm
pr: 18000
title: Use NVFP4 Marlin for CompressedTensorsW4A16Fp4
author: mgoin
date: '2025-05-13'
url: https://github.com/vllm-project/vllm/pull/18000
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- nvfp4
- quantization
techniques: []
hardware_features:
- fp4
- nvfp4
kernel_types:
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 307939f299db4ee695720fdeae3fb4b2dc233353
inclusion_reason: kernel file changes
changed_paths:
- vllm/model_executor/layers/quantization/compressed_tensors/schemes/compressed_tensors_w4a16_nvfp4.py
head_ref_oid: 2154bf0cef4be02ea83dcb86ca4f730a36071593
artifact_dir: evidence/pull-bundles/vllm/gh-18000
---
# Use NVFP4 Marlin for CompressedTensorsW4A16Fp4

- Repository: `vllm-project/vllm`
- PR: [18000](https://github.com/vllm-project/vllm/pull/18000)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/model_executor/layers/quantization/compressed_tensors/schemes/compressed_tensors_w4a16_nvfp4.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-18000`
