---
id: pr-vllm-23608
repo: vllm-project/vllm
pr: 23608
title: DP/EP Support for gpt-oss with deepep-ht comm kernel on SM100
author: zyongye
date: '2025-08-27'
url: https://github.com/vllm-project/vllm/pull/23608
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- fp8
- kernel-fusion
- moe
- quantization
techniques:
- kernel-fusion
hardware_features:
- fp4
- fp8
kernel_types:
- moe
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 082cc07ef8f810bea61eaed77a60137684ca78f8
inclusion_reason: kernel file changes
changed_paths:
- vllm/distributed/device_communicators/base_device_communicator.py
- vllm/model_executor/layers/fused_moe/config.py
- vllm/model_executor/layers/fused_moe/layer.py
- vllm/model_executor/layers/fused_moe/trtllm_moe.py
- vllm/model_executor/layers/fused_moe/utils.py
- vllm/model_executor/layers/quantization/compressed_tensors/compressed_tensors_moe.py
- vllm/model_executor/layers/quantization/fp8.py
- vllm/model_executor/layers/quantization/modelopt.py
- vllm/model_executor/layers/quantization/mxfp4.py
- vllm/model_executor/layers/quantization/utils/mxfp4_utils.py
- vllm/model_executor/layers/quantization/utils/mxfp8_utils.py
head_ref_oid: 02521aedfa3c3338887546538d50d9c0f2950ded
artifact_dir: evidence/pull-bundles/vllm/gh-23608
---
# DP/EP Support for gpt-oss with deepep-ht comm kernel on SM100

- Repository: `vllm-project/vllm`
- PR: [23608](https://github.com/vllm-project/vllm/pull/23608)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/distributed/device_communicators/base_device_communicator.py`
- `vllm/model_executor/layers/fused_moe/config.py`
- `vllm/model_executor/layers/fused_moe/layer.py`
- `vllm/model_executor/layers/fused_moe/trtllm_moe.py`
- `vllm/model_executor/layers/fused_moe/utils.py`
- `vllm/model_executor/layers/quantization/compressed_tensors/compressed_tensors_moe.py`
- `vllm/model_executor/layers/quantization/fp8.py`
- `vllm/model_executor/layers/quantization/modelopt.py`
- `vllm/model_executor/layers/quantization/mxfp4.py`
- `vllm/model_executor/layers/quantization/utils/mxfp4_utils.py`
- `vllm/model_executor/layers/quantization/utils/mxfp8_utils.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-23608`
