---
id: pr-flashinfer-2903
repo: flashinfer-ai/flashinfer
pr: 2903
title: 'fix: avoid re-downloading BMM export headers when flashinfer-cubin is installed'
author: yzh119
date: '2026-04-03'
url: https://github.com/flashinfer-ai/flashinfer/pull/2903
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: e0f3729b4b5ff6f564989a7f74e39c94a015ed8a
inclusion_reason: defer
changed_paths:
- flashinfer/artifacts.py
- flashinfer/deep_gemm.py
- flashinfer/jit/attention/modules.py
- flashinfer/jit/cubin_loader.py
- flashinfer/jit/fused_moe.py
- flashinfer/jit/gemm/core.py
- flashinfer/jit/moe_utils.py
- tests/utils/test_load_cubin_compile_race_condition.py
artifact_dir: evidence/pull-bundles/flashinfer/gh-2903
head_ref_oid: 7aefc1f941f16636a38dd7c63ebf360e7efa663c
---
# fix: avoid re-downloading BMM export headers when flashinfer-cubin is installed

- Repository: `flashinfer-ai/flashinfer`
- PR: [2903](https://github.com/flashinfer-ai/flashinfer/pull/2903)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `flashinfer/artifacts.py`
- `flashinfer/deep_gemm.py`
- `flashinfer/jit/attention/modules.py`
- `flashinfer/jit/cubin_loader.py`
- `flashinfer/jit/fused_moe.py`
- `flashinfer/jit/gemm/core.py`
- `flashinfer/jit/moe_utils.py`
- `tests/utils/test_load_cubin_compile_race_condition.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-2903`
