---
id: pr-flashinfer-2234
repo: flashinfer-ai/flashinfer
pr: 2234
title: 'fix: add DeepSeek routing for Bf16xBf16 and MxIntxBf16 TRT-LLM Gen MoE'
author: nekorobov
date: '2025-12-18'
url: https://github.com/flashinfer-ai/flashinfer/pull/2234
source_category: upstream-code
architectures:
- sm100
tags:
- kernel-fusion
- moe
techniques:
- kernel-fusion
hardware_features: []
kernel_types:
- moe
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: 454e7b25d0c21da176f0ef775e3de4a12d6c7118
inclusion_reason: kernel file changes
changed_paths:
- csrc/trtllm_fused_moe_kernel_launcher.cu
- flashinfer/fused_moe/core.py
- tests/moe/test_trtllm_gen_fused_moe.py
head_ref_oid: ecd2be2ea957136449115c40c64de60d734d2af2
artifact_dir: evidence/pull-bundles/flashinfer/gh-2234
---
# fix: add DeepSeek routing for Bf16xBf16 and MxIntxBf16 TRT-LLM Gen MoE

- Repository: `flashinfer-ai/flashinfer`
- PR: [2234](https://github.com/flashinfer-ai/flashinfer/pull/2234)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/trtllm_fused_moe_kernel_launcher.cu`
- `flashinfer/fused_moe/core.py`
- `tests/moe/test_trtllm_gen_fused_moe.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-2234`
