---
id: pr-flashinfer-2330
repo: flashinfer-ai/flashinfer
pr: 2330
title: 'feat: expose swizzled_input_sf parameter for CUTLASS fused MOE'
author: yzh119
date: '2026-03-30'
url: https://github.com/flashinfer-ai/flashinfer/pull/2330
source_category: upstream-code
architectures:
- sm100
tags:
- kernel-fusion
- moe
- swizzling
techniques:
- kernel-fusion
- swizzling
hardware_features: []
kernel_types:
- moe
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: 494160675461db3bceec302cfaef47f6b4a9e401
inclusion_reason: kernel file changes
changed_paths:
- csrc/fused_moe/cutlass_backend/flashinfer_cutlass_fused_moe_binding.cu
- flashinfer/fused_moe/core.py
- tests/moe/test_trtllm_cutlass_fused_moe.py
head_ref_oid: 0949118acb219d0bb6a5eda1be5c6b061d194f18
artifact_dir: evidence/pull-bundles/flashinfer/gh-2330
---
# feat: expose swizzled_input_sf parameter for CUTLASS fused MOE

- Repository: `flashinfer-ai/flashinfer`
- PR: [2330](https://github.com/flashinfer-ai/flashinfer/pull/2330)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/fused_moe/cutlass_backend/flashinfer_cutlass_fused_moe_binding.cu`
- `flashinfer/fused_moe/core.py`
- `tests/moe/test_trtllm_cutlass_fused_moe.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-2330`
