Skip to content

[Build] Avoid FlashAttention v3 for sm100 builds #79500

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
SigureMo merged 3 commits into from
Jul 17, 2026
+1 −1
Merged

[Build] Avoid FlashAttention v3 for sm100 builds #79500

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
77cb2d7
fix flashattn v3 arch guard
liuhao2638 Jul 17, 2026
cc9b241
fix flashattn v3 arch guard
liuhao2638 Jul 17, 2026
0c7133e
Apply suggestions from code review
liuhao2638 Jul 17, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion cmake/third_party.cmake
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -605,7 +605,7 @@ if(WITH_GPU
if(${CMAKE_CUDA_COMPILER_VERSION} GREATER_EQUAL 12.3
AND ${CMAKE_CUDA_COMPILER_VERSION} LESS_EQUAL 13.0)
foreach(arch ${NVCC_ARCH_BIN})
if(${arch} GREATER_EQUAL 90)
if(${arch} EQUAL 90)
set(WITH_FLASHATTN_V3 ON)
break()
endif()
Expand Down
Loading