Skip to content

fix(sparse-mla-sm120): add TOPK=256 DSV4 prefill instantiation #3834

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

Closed
waynehacking8 wants to merge 1 commit into from
Closed

fix(sparse-mla-sm120): add TOPK=256 DSV4 prefill instantiation #3834

Show file tree
Hide file tree
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: 2 additions & 0 deletions csrc/sparse_mla_sm120_prefill.cu
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -293,6 +293,8 @@ inline bool dispatch_dsv4_single(int num_heads, int topk, const bf16* Q, const u
// amortises FP8's higher Tensor-Core throughput.
if (topk == 128)
DISPATCH_BY_NH_CM(BF16, 128);
else if (topk == 256)
DISPATCH_BY_NH_CM(BF16, 256);
else if (topk == 512)
DISPATCH_BY_NH_CM(FP8, 512);
else if (topk == 1024)
Expand Down
2 changes: 2 additions & 0 deletions tests/attention/test_sparse_mla_sm120.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -890,6 +890,8 @@ def test_sparse_mla_sm120_prefill_glm_nsa_arbitrary_fp32(num_heads: int) -> None

_DSV4_PREFILL_CONFIGS = [
(16, 128),
(16, 256),
(32, 256),
(32, 512),
(64, 1024),
(128, 1024),
Expand Down
Loading