---
id: pr-flashinfer-1291
repo: flashinfer-ai/flashinfer
pr: 1291
title: Remove FAST_BUILD FLAG for MOE
author: wenscarl
date: '2025-07-22'
url: https://github.com/flashinfer-ai/flashinfer/pull/1291
source_category: upstream-code
architectures:
- sm100
tags:
- gemm
- kernel-fusion
- moe
techniques:
- kernel-fusion
hardware_features: []
kernel_types:
- gemm
- moe
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 04b9a2a459bce4beaa25c6a49486f3f6414ded1a
inclusion_reason: kernel file changes
changed_paths:
- csrc/nv_internal/tensorrt_llm/cutlass_extensions/include/cutlass_extensions/gemm_configs.h
- flashinfer/aot.py
- flashinfer/fused_moe.py
head_ref_oid: 67733120d005880b4c4f6ee19ecc4414590b051b
artifact_dir: evidence/pull-bundles/flashinfer/gh-1291
---
# Remove FAST_BUILD FLAG for MOE

- Repository: `flashinfer-ai/flashinfer`
- PR: [1291](https://github.com/flashinfer-ai/flashinfer/pull/1291)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/nv_internal/tensorrt_llm/cutlass_extensions/include/cutlass_extensions/gemm_configs.h`
- `flashinfer/aot.py`
- `flashinfer/fused_moe.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-1291`
