---
id: pr-sglang-14668
repo: sgl-project/sglang
pr: 14668
title: '[NVIDIA] Add flashinfer all-to-all MOE dispatcher'
author: trevor-m
date: '2026-01-24'
url: https://github.com/sgl-project/sglang/pull/14668
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 2c2c4e446b99c529896b3377b24e1b48b6a52e61
inclusion_reason: defer
changed_paths:
- docs/advanced_features/expert_parallelism.md
- docs/references/environment_variables.md
- python/sglang/srt/layers/moe/fused_moe_triton/layer.py
- python/sglang/srt/layers/moe/token_dispatcher/__init__.py
- python/sglang/srt/layers/moe/token_dispatcher/base.py
- python/sglang/srt/layers/moe/token_dispatcher/flashinfer.py
- python/sglang/srt/layers/moe/token_dispatcher/flashinfer_utils.py
- python/sglang/srt/layers/moe/token_dispatcher/standard.py
- python/sglang/srt/layers/moe/utils.py
- python/sglang/srt/layers/quantization/modelopt_quant.py
- python/sglang/srt/models/deepseek_v2.py
- python/sglang/srt/models/glm4_moe.py
- python/sglang/srt/server_args.py
- python/sglang/test/test_flashinfer_dispatcher.py
artifact_dir: evidence/pull-bundles/sglang/gh-14668
head_ref_oid: 320ce66d3f901a090ebac1f48a6ff3c5eea58be1
---
# [NVIDIA] Add flashinfer all-to-all MOE dispatcher

- Repository: `sgl-project/sglang`
- PR: [14668](https://github.com/sgl-project/sglang/pull/14668)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `docs/advanced_features/expert_parallelism.md`
- `docs/references/environment_variables.md`
- `python/sglang/srt/layers/moe/fused_moe_triton/layer.py`
- `python/sglang/srt/layers/moe/token_dispatcher/__init__.py`
- `python/sglang/srt/layers/moe/token_dispatcher/base.py`
- `python/sglang/srt/layers/moe/token_dispatcher/flashinfer.py`
- `python/sglang/srt/layers/moe/token_dispatcher/flashinfer_utils.py`
- `python/sglang/srt/layers/moe/token_dispatcher/standard.py`
- `python/sglang/srt/layers/moe/utils.py`
- `python/sglang/srt/layers/quantization/modelopt_quant.py`
- `python/sglang/srt/models/deepseek_v2.py`
- `python/sglang/srt/models/glm4_moe.py`
- `python/sglang/srt/server_args.py`
- `python/sglang/test/test_flashinfer_dispatcher.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-14668`
