---
id: pr-sglang-13969
repo: sgl-project/sglang
pr: 13969
title: '[kernel][moe] add moe topk fast'
author: thenumberouscode
date: '2025-12-14'
url: https://github.com/sgl-project/sglang/pull/13969
source_category: upstream-code
architectures:
- sm100
tags:
- moe
- tma
techniques: []
hardware_features:
- tma
kernel_types:
- moe
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: a9ce1623cdddbe6a01b868574a4e10edee0fb818
inclusion_reason: kernel file changes
changed_paths:
- sgl-kernel/csrc/moe/moe_topk_softmax_kernels.cu
- sgl-kernel/tests/test_moe_topk_softmax.py
- test/srt/quant/test_block_int8.py
head_ref_oid: f64655c29d5e7b56bb9b713f30e9eac0d3289e73
artifact_dir: evidence/pull-bundles/sglang/gh-13969
---
# [kernel][moe] add moe topk fast

- Repository: `sgl-project/sglang`
- PR: [13969](https://github.com/sgl-project/sglang/pull/13969)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `sgl-kernel/csrc/moe/moe_topk_softmax_kernels.cu`
- `sgl-kernel/tests/test_moe_topk_softmax.py`
- `test/srt/quant/test_block_int8.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-13969`
