---
id: pr-flashinfer-3014
repo: flashinfer-ai/flashinfer
pr: 3014
title: 'perf: Optimize CUTLASS MoE helper kernels for small-batch decode workloads'
author: bkryu
date: '2026-04-10'
url: https://github.com/flashinfer-ai/flashinfer/pull/3014
source_category: upstream-code
architectures:
- sm100
tags:
- decode
- kernel-fusion
- moe
techniques:
- kernel-fusion
hardware_features: []
kernel_types:
- decode
- moe
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: 6248936f92a0076f9ea5cdc2e6a973597c80d634
inclusion_reason: kernel file changes
changed_paths:
- csrc/fused_moe/cutlass_backend/cutlass_fused_moe_kernels.cuh
- tests/moe/test_trtllm_cutlass_fused_moe.py
head_ref_oid: ab0068c9d93d77a4b6b0188d3b2389ecc66fd4f1
artifact_dir: evidence/pull-bundles/flashinfer/gh-3014
---
# perf: Optimize CUTLASS MoE helper kernels for small-batch decode workloads

- Repository: `flashinfer-ai/flashinfer`
- PR: [3014](https://github.com/flashinfer-ai/flashinfer/pull/3014)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/fused_moe/cutlass_backend/cutlass_fused_moe_kernels.cuh`
- `tests/moe/test_trtllm_cutlass_fused_moe.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-3014`
