---
id: pr-sglang-12543
repo: sgl-project/sglang
pr: 12543
title: Enable Flashinfer TRTLLM-GEN-MoE FP8 blockwise kernel for Qwen3-Next on Blackwell
author: samuellees
date: '2025-11-13'
url: https://github.com/sgl-project/sglang/pull/12543
source_category: upstream-code
architectures:
- sm100
tags:
- fp8
- kernel-fusion
- moe
- quantization
techniques:
- kernel-fusion
hardware_features:
- fp8
kernel_types:
- moe
- quantization
languages:
- python
- triton
captured_at: '2026-04-27'
status: merged
merge_sha: e7e89349c901129fd712f376cd44be0f0c402a92
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/moe/ep_moe/layer.py
- python/sglang/srt/layers/moe/fused_moe_triton/layer.py
- python/sglang/srt/layers/moe/utils.py
- python/sglang/srt/layers/quantization/fp8.py
- python/sglang/srt/models/qwen2_moe.py
- test/srt/nightly/test_flashinfer_trtllm_gen_moe_backend.py
- test/srt/run_suite.py
head_ref_oid: 82c6f5c7aba9e268674e16c25b00eec9451f6dfa
artifact_dir: evidence/pull-bundles/sglang/gh-12543
---
# Enable Flashinfer TRTLLM-GEN-MoE FP8 blockwise kernel for Qwen3-Next on Blackwell

- Repository: `sgl-project/sglang`
- PR: [12543](https://github.com/sgl-project/sglang/pull/12543)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/srt/layers/moe/ep_moe/layer.py`
- `python/sglang/srt/layers/moe/fused_moe_triton/layer.py`
- `python/sglang/srt/layers/moe/utils.py`
- `python/sglang/srt/layers/quantization/fp8.py`
- `python/sglang/srt/models/qwen2_moe.py`
- `test/srt/nightly/test_flashinfer_trtllm_gen_moe_backend.py`
- `test/srt/run_suite.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-12543`
