---
id: pr-vllm-12583
repo: vllm-project/vllm
pr: 12583
title: Expert Parallelism (EP) Support for DeepSeek Models
author: cakeng
date: '2025-02-24'
url: https://github.com/vllm-project/vllm/pull/12583
source_category: upstream-code
architectures:
- sm100
tags:
- fp8
- kernel-fusion
- moe
- quantization
techniques:
- kernel-fusion
hardware_features:
- fp8
kernel_types:
- moe
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 781096e385112f799c2b12a9aa2660b85efaf983
inclusion_reason: kernel file changes
changed_paths:
- benchmarks/kernels/benchmark_moe.py
- tests/distributed/test_expert_parallel.py
- tests/kernels/test_awq_marlin.py
- tests/kernels/test_moe.py
- tests/kernels/utils.py
- tests/utils.py
- vllm/config.py
- vllm/envs.py
- vllm/model_executor/layers/fused_moe/fused_moe.py
- vllm/model_executor/layers/fused_moe/layer.py
- vllm/model_executor/layers/fused_moe/moe_torch_iterative.py
- vllm/model_executor/layers/quantization/awq_marlin.py
- vllm/model_executor/layers/quantization/compressed_tensors/compressed_tensors_moe.py
- vllm/model_executor/layers/quantization/experts_int8.py
- vllm/model_executor/layers/quantization/fp8.py
- vllm/model_executor/layers/quantization/gptq_marlin.py
- vllm/model_executor/layers/quantization/moe_wna16.py
- vllm/model_executor/layers/quantization/quark/quark_moe.py
- vllm/model_executor/models/deepseek_v2.py
head_ref_oid: 5554d35ec702c06a005e33194cf6a020bd620ea0
artifact_dir: evidence/pull-bundles/vllm/gh-12583
---
# Expert Parallelism (EP) Support for DeepSeek Models

- Repository: `vllm-project/vllm`
- PR: [12583](https://github.com/vllm-project/vllm/pull/12583)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `benchmarks/kernels/benchmark_moe.py`
- `tests/distributed/test_expert_parallel.py`
- `tests/kernels/test_awq_marlin.py`
- `tests/kernels/test_moe.py`
- `tests/kernels/utils.py`
- `tests/utils.py`
- `vllm/config.py`
- `vllm/envs.py`
- `vllm/model_executor/layers/fused_moe/fused_moe.py`
- `vllm/model_executor/layers/fused_moe/layer.py`
- `vllm/model_executor/layers/fused_moe/moe_torch_iterative.py`
- `vllm/model_executor/layers/quantization/awq_marlin.py`
- `vllm/model_executor/layers/quantization/compressed_tensors/compressed_tensors_moe.py`
- `vllm/model_executor/layers/quantization/experts_int8.py`
- `vllm/model_executor/layers/quantization/fp8.py`
- `vllm/model_executor/layers/quantization/gptq_marlin.py`
- `vllm/model_executor/layers/quantization/moe_wna16.py`
- `vllm/model_executor/layers/quantization/quark/quark_moe.py`
- `vllm/model_executor/models/deepseek_v2.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-12583`
