---
id: pr-vllm-30071
repo: vllm-project/vllm
pr: 30071
title: '[Quantization] Support Quark int4-fp8 w4a8 for MoE'
author: BowenBao
date: '2025-12-18'
url: https://github.com/vllm-project/vllm/pull/30071
source_category: upstream-code
architectures:
- sm100
tags:
- fp8
- moe
- quantization
techniques: []
hardware_features:
- fp8
kernel_types:
- moe
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 0c738b58bc0e5a5bf2448c95fc2014b83127a4d5
inclusion_reason: kernel file changes
changed_paths:
- vllm/model_executor/layers/quantization/quark/quark.py
- vllm/model_executor/layers/quantization/quark/quark_moe.py
head_ref_oid: 7c5f719388de4b38a99ffbf243362eff6987e571
artifact_dir: evidence/pull-bundles/vllm/gh-30071
---
# [Quantization] Support Quark int4-fp8 w4a8 for MoE

- Repository: `vllm-project/vllm`
- PR: [30071](https://github.com/vllm-project/vllm/pull/30071)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/model_executor/layers/quantization/quark/quark.py`
- `vllm/model_executor/layers/quantization/quark/quark_moe.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-30071`
