Skip to content

fix(attention): enable SageAttention dispatcher on SM120 #1442

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

Open
STwangyingrui wants to merge 1 commit into
base: main
Choose a base branch
from
Open

fix(attention): enable SageAttention dispatcher on SM120 #1442

Changes from all commits
Commits
Show all changes
1 commit
Select commit
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 lightx2v/common/ops/attn/sage_attn.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,7 @@

capability = torch.cuda.get_device_capability(0) if torch.cuda.is_available() else None
# Keep the legacy SM89 override; SM120 follows SageAttention's dispatcher.
if capability in [(8, 9), (12, 0)]:
if capability == (8, 9):
try:
from sageattention import sageattn_qk_int8_pv_fp16_triton as sageattn
except ImportError:
Expand Down
Loading