---
id: pr-flashinfer-3066
repo: flashinfer-ai/flashinfer
pr: 3066
title: 'feat: Add b12x CuTe DSL fused MoE for SM120'
author: bkryu
date: '2026-04-15'
url: https://github.com/flashinfer-ai/flashinfer/pull/3066
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- kernel-fusion
- moe
techniques:
- kernel-fusion
hardware_features:
- fp4
kernel_types:
- moe
languages:
- cute-dsl
captured_at: '2026-04-27'
status: merged
merge_sha: eb52e19ec83c3092c06f4c68fabc287a228a9728
inclusion_reason: kernel file changes
changed_paths:
- benchmarks/routines/flashinfer_benchmark_utils.py
- benchmarks/routines/moe.py
- flashinfer/cute_dsl/fp4_common.py
- flashinfer/fused_moe/cute_dsl/blackwell_sm12x/__init__.py
- flashinfer/fused_moe/cute_dsl/blackwell_sm12x/moe_dispatch.py
- flashinfer/fused_moe/cute_dsl/blackwell_sm12x/moe_dynamic_kernel.py
- flashinfer/fused_moe/cute_dsl/blackwell_sm12x/moe_static_kernel.py
- flashinfer/fused_moe/cute_dsl/fused_moe.py
- tests/moe/test_cute_dsl_fused_moe.py
head_ref_oid: a158f2c0db4c3bb756929e1720d885850e7ea314
artifact_dir: evidence/pull-bundles/flashinfer/gh-3066
---
# feat: Add b12x CuTe DSL fused MoE for SM120

- Repository: `flashinfer-ai/flashinfer`
- PR: [3066](https://github.com/flashinfer-ai/flashinfer/pull/3066)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `benchmarks/routines/flashinfer_benchmark_utils.py`
- `benchmarks/routines/moe.py`
- `flashinfer/cute_dsl/fp4_common.py`
- `flashinfer/fused_moe/cute_dsl/blackwell_sm12x/__init__.py`
- `flashinfer/fused_moe/cute_dsl/blackwell_sm12x/moe_dispatch.py`
- `flashinfer/fused_moe/cute_dsl/blackwell_sm12x/moe_dynamic_kernel.py`
- `flashinfer/fused_moe/cute_dsl/blackwell_sm12x/moe_static_kernel.py`
- `flashinfer/fused_moe/cute_dsl/fused_moe.py`
- `tests/moe/test_cute_dsl_fused_moe.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-3066`
