---
id: pr-flashinfer-1475
repo: flashinfer-ai/flashinfer
pr: 1475
title: 'tuner: Trtllm-gen Fp4 MoE Autotunner'
author: IwakuraRein
date: '2025-08-19'
url: https://github.com/flashinfer-ai/flashinfer/pull/1475
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- gemm
- kernel-fusion
- moe
techniques:
- kernel-fusion
hardware_features:
- fp4
kernel_types:
- gemm
- moe
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: f1fd5c6b12408f37176605701b65c0e7ed88a0d5
inclusion_reason: kernel file changes
changed_paths:
- benchmarks/bench_trtllm_gen_fused_moe_autotuner.py
- csrc/trtllm_fused_moe_kernel_launcher.cu
- flashinfer/autotuner.py
- flashinfer/fused_moe/core.py
- flashinfer/fused_moe/utils.py
- flashinfer/gemm.py
- include/flashinfer/trtllm/fused_moe/RoutingKernelTopK.cuh
- tests/test_trtllm_gen_fused_moe.py
head_ref_oid: 7e8e2344c3e37a8c9c8402a41aa11b1379c6db6c
artifact_dir: evidence/pull-bundles/flashinfer/gh-1475
---
# tuner: Trtllm-gen Fp4 MoE Autotunner

- Repository: `flashinfer-ai/flashinfer`
- PR: [1475](https://github.com/flashinfer-ai/flashinfer/pull/1475)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `benchmarks/bench_trtllm_gen_fused_moe_autotuner.py`
- `csrc/trtllm_fused_moe_kernel_launcher.cu`
- `flashinfer/autotuner.py`
- `flashinfer/fused_moe/core.py`
- `flashinfer/fused_moe/utils.py`
- `flashinfer/gemm.py`
- `include/flashinfer/trtllm/fused_moe/RoutingKernelTopK.cuh`
- `tests/test_trtllm_gen_fused_moe.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-1475`
