---
id: pr-vllm-32437
repo: vllm-project/vllm
pr: 32437
title: '[Hardware][SM100] Add TRTLLM Kernel for INT4 W4A16 Kernel.'
author: pavanimajety
date: '2026-01-30'
url: https://github.com/vllm-project/vllm/pull/32437
source_category: upstream-code
architectures:
- sm100
tags:
- kernel-fusion
- moe
- quantization
techniques:
- kernel-fusion
hardware_features: []
kernel_types:
- moe
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: c3a9752b0c11f87677e2ab918e524af7a368c664
inclusion_reason: kernel file changes
changed_paths:
- tests/kernels/moe/test_marlin_vs_trtllm_mxint4.py
- vllm/envs.py
- vllm/model_executor/layers/fused_moe/layer.py
- vllm/model_executor/layers/quantization/compressed_tensors/compressed_tensors_moe.py
- vllm/model_executor/layers/quantization/utils/flashinfer_mxint4_moe.py
- vllm/utils/flashinfer.py
head_ref_oid: eafb3e19e2b213f21fb802e83c26cf918dc01409
artifact_dir: evidence/pull-bundles/vllm/gh-32437
---
# [Hardware][SM100] Add TRTLLM Kernel for INT4 W4A16 Kernel.

- Repository: `vllm-project/vllm`
- PR: [32437](https://github.com/vllm-project/vllm/pull/32437)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `tests/kernels/moe/test_marlin_vs_trtllm_mxint4.py`
- `vllm/envs.py`
- `vllm/model_executor/layers/fused_moe/layer.py`
- `vllm/model_executor/layers/quantization/compressed_tensors/compressed_tensors_moe.py`
- `vllm/model_executor/layers/quantization/utils/flashinfer_mxint4_moe.py`
- `vllm/utils/flashinfer.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-32437`
