---
id: pr-vllm-39054
repo: vllm-project/vllm
pr: 39054
title: '[Bug] Fix Trtllm Fp8 MoE Weight Shuffle Memory Fragamentation'
author: wzhao18
date: '2026-04-07'
url: https://github.com/vllm-project/vllm/pull/39054
source_category: upstream-code
architectures:
- sm100
tags:
- fp8
- moe
- quantization
techniques: []
hardware_features:
- fp8
kernel_types:
- moe
- quantization
languages:
- python
captured_at: '2026-04-17'
status: merged
merge_sha: 0be9516ea43df0fcb24bf50021e22768a49d61cf
inclusion_reason: semantic match with file changes
changed_paths:
- vllm/model_executor/layers/quantization/utils/flashinfer_utils.py
head_ref_oid: 3c401d6cbe52d6bd8621f1b2e5165e4bcb409f6f
artifact_dir: evidence/pull-bundles/vllm/gh-39054
---
# [Bug] Fix Trtllm Fp8 MoE Weight Shuffle Memory Fragamentation

- Repository: `vllm-project/vllm`
- PR: [39054](https://github.com/vllm-project/vllm/pull/39054)
- Decision: `semantic match with file changes`
- Reason: semantic match with file changes

## Changed Paths

- `vllm/model_executor/layers/quantization/utils/flashinfer_utils.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-39054`
