---
id: pr-vllm-29804
repo: vllm-project/vllm
pr: 29804
title: '[EPLB] Support EPLB w/ NVFP4'
author: andrewbriand
date: '2025-12-11'
url: https://github.com/vllm-project/vllm/pull/29804
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- kernel-fusion
- moe
- nvfp4
- quantization
techniques:
- kernel-fusion
hardware_features:
- fp4
- nvfp4
kernel_types:
- moe
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: a00d88973daf9a151ecbd4c740ca99645715b9df
inclusion_reason: kernel file changes
changed_paths:
- tests/distributed/test_eplb_fused_moe_layer_dep_nvfp4.py
- vllm/model_executor/layers/quantization/modelopt.py
- vllm/model_executor/layers/quantization/utils/flashinfer_fp4_moe.py
head_ref_oid: 80bcbd5121f5827ea36c062c77ffbe8ac8cd93b2
artifact_dir: evidence/pull-bundles/vllm/gh-29804
---
# [EPLB] Support EPLB w/ NVFP4

- Repository: `vllm-project/vllm`
- PR: [29804](https://github.com/vllm-project/vllm/pull/29804)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `tests/distributed/test_eplb_fused_moe_layer_dep_nvfp4.py`
- `vllm/model_executor/layers/quantization/modelopt.py`
- `vllm/model_executor/layers/quantization/utils/flashinfer_fp4_moe.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-29804`
