---
id: pr-vllm-34664
repo: vllm-project/vllm
pr: 34664
title: '[Kernel] Add MXFP8 to Marlin GEMM/MoE and refactor Mxfp8LinearOp'
author: mgoin
date: '2026-04-01'
url: https://github.com/vllm-project/vllm/pull/34664
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: db5d0719e1057b876ed673ae6387d940962691bb
inclusion_reason: defer
changed_paths:
- csrc/moe/marlin_moe_wna16/generate_kernels.py
- csrc/moe/marlin_moe_wna16/marlin_template.h
- csrc/moe/marlin_moe_wna16/ops.cu
- csrc/quantization/marlin/generate_kernels.py
- csrc/quantization/marlin/marlin.cu
- csrc/quantization/marlin/marlin_template.h
- tests/kernels/moe/test_moe.py
- tests/models/quantization/test_mxfp8.py
- vllm/model_executor/layers/fused_moe/fused_marlin_moe.py
- vllm/model_executor/layers/fused_moe/oracle/fp8.py
- vllm/model_executor/layers/fused_moe/oracle/mxfp8.py
- vllm/model_executor/layers/quantization/modelopt.py
- vllm/model_executor/layers/quantization/mxfp8.py
- vllm/model_executor/layers/quantization/utils/marlin_utils_fp8.py
- vllm/model_executor/layers/quantization/utils/mxfp8_utils.py
artifact_dir: evidence/pull-bundles/vllm/gh-34664
head_ref_oid: f939b897d0b7413b5c3c580afa4950a0b4863aae
---
# [Kernel] Add MXFP8 to Marlin GEMM/MoE and refactor Mxfp8LinearOp

- Repository: `vllm-project/vllm`
- PR: [34664](https://github.com/vllm-project/vllm/pull/34664)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `csrc/moe/marlin_moe_wna16/generate_kernels.py`
- `csrc/moe/marlin_moe_wna16/marlin_template.h`
- `csrc/moe/marlin_moe_wna16/ops.cu`
- `csrc/quantization/marlin/generate_kernels.py`
- `csrc/quantization/marlin/marlin.cu`
- `csrc/quantization/marlin/marlin_template.h`
- `tests/kernels/moe/test_moe.py`
- `tests/models/quantization/test_mxfp8.py`
- `vllm/model_executor/layers/fused_moe/fused_marlin_moe.py`
- `vllm/model_executor/layers/fused_moe/oracle/fp8.py`
- `vllm/model_executor/layers/fused_moe/oracle/mxfp8.py`
- `vllm/model_executor/layers/quantization/modelopt.py`
- `vllm/model_executor/layers/quantization/mxfp8.py`
- `vllm/model_executor/layers/quantization/utils/marlin_utils_fp8.py`
- `vllm/model_executor/layers/quantization/utils/mxfp8_utils.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-34664`
