---
id: pr-vllm-38329
repo: vllm-project/vllm
pr: 38329
title: '[MoE] Add RoutingMethodType.Simulated to TRT-LLM FP8/NVFP4 kernel allowlists'
author: jaewonlee-fb
date: '2026-03-30'
url: https://github.com/vllm-project/vllm/pull/38329
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- fp8
- kernel-fusion
- moe
- nvfp4
techniques:
- kernel-fusion
hardware_features:
- fp4
- fp8
- nvfp4
kernel_types:
- moe
languages:
- python
captured_at: '2026-04-17'
status: merged
merge_sha: d816834c1aa61da8e8703c6e8c368ad22fe76e13
inclusion_reason: kernel file changes
changed_paths:
- vllm/model_executor/layers/fused_moe/experts/trtllm_fp8_moe.py
- vllm/model_executor/layers/fused_moe/experts/trtllm_nvfp4_moe.py
head_ref_oid: 02fcb59df404828e7fa82a34fc2c0628c6c6371b
artifact_dir: evidence/pull-bundles/vllm/gh-38329
---
# [MoE] Add RoutingMethodType.Simulated to TRT-LLM FP8/NVFP4 kernel allowlists

- Repository: `vllm-project/vllm`
- PR: [38329](https://github.com/vllm-project/vllm/pull/38329)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/model_executor/layers/fused_moe/experts/trtllm_fp8_moe.py`
- `vllm/model_executor/layers/fused_moe/experts/trtllm_nvfp4_moe.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-38329`
