---
id: pr-vllm-36728
repo: vllm-project/vllm
pr: 36728
title: '[Bug][MoE] Strengthen _supports_current_device() checks in the TRTLLM FP8, NVFP4, and FlashInfer CuteDSL MoE experts'
author: yzong-rh
date: '2026-03-23'
url: https://github.com/vllm-project/vllm/pull/36728
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:
- cute-dsl
captured_at: '2026-04-17'
status: merged
merge_sha: e85f8f0932f65c17d64c9bb8e85a57bb007b369d
inclusion_reason: kernel file changes
changed_paths:
- vllm/model_executor/layers/fused_moe/experts/flashinfer_cutedsl_moe.py
- vllm/model_executor/layers/fused_moe/experts/trtllm_fp8_moe.py
- vllm/model_executor/layers/fused_moe/experts/trtllm_nvfp4_moe.py
- vllm/utils/flashinfer.py
artifact_dir: evidence/pull-bundles/vllm/gh-36728
head_ref_oid: e8f8c21c529954f588993ad1b9992628c33c29bb
---
# [Bug][MoE] Strengthen _supports_current_device() checks in the TRTLLM FP8, NVFP4, and FlashInfer CuteDSL MoE experts

- Repository: `vllm-project/vllm`
- PR: [36728](https://github.com/vllm-project/vllm/pull/36728)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

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

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-36728`
