---
id: pr-vllm-16366
repo: vllm-project/vllm
pr: 16366
title: '[Kernel] Support W8A8 channel-wise weights and per-token activations in triton fused_moe_kernel'
author: mgoin
date: '2025-04-11'
url: https://github.com/vllm-project/vllm/pull/16366
source_category: upstream-code
architectures:
- sm100
tags:
- fp8
- kernel-fusion
- moe
- quantization
techniques:
- kernel-fusion
hardware_features:
- fp8
kernel_types:
- moe
- quantization
languages:
- triton
captured_at: '2026-04-27'
status: merged
merge_sha: f41647ee6b95b38ceb6b81fc397a2526c0499cae
inclusion_reason: kernel file changes
changed_paths:
- tests/kernels/test_block_fp8.py
- tests/kernels/test_block_int8.py
- tests/kernels/test_int8_kernel.py
- tests/kernels/test_triton_moe_ptpc_fp8.py
- tests/kernels/utils_block.py
- vllm/model_executor/layers/fused_moe/fused_moe.py
- vllm/model_executor/layers/quantization/utils/int8_utils.py
head_ref_oid: 2c1eaac2cc30e0678bcf5613c299bf973af2ebec
artifact_dir: evidence/pull-bundles/vllm/gh-16366
---
# [Kernel] Support W8A8 channel-wise weights and per-token activations in triton fused_moe_kernel

- Repository: `vllm-project/vllm`
- PR: [16366](https://github.com/vllm-project/vllm/pull/16366)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `tests/kernels/test_block_fp8.py`
- `tests/kernels/test_block_int8.py`
- `tests/kernels/test_int8_kernel.py`
- `tests/kernels/test_triton_moe_ptpc_fp8.py`
- `tests/kernels/utils_block.py`
- `vllm/model_executor/layers/fused_moe/fused_moe.py`
- `vllm/model_executor/layers/quantization/utils/int8_utils.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-16366`
