Skip to content

fix blockmask oob #78774

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
GuoxiaWang merged 1 commit into from
Apr 27, 2026
Merged

fix blockmask oob #78774

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 third_party/flashattn
Open in desktop
Submodule flashattn updated 73 files
+1 −0 .gitignore
+6 −7 csrc/flashmask_v2/distributed/ag_semaphore_ops.cuh
+7 −6 csrc/flashmask_v2/distributed/rs_semaphore_ops.cuh
+1 −1 csrc/flashmask_v2/flash_bwd_launch_template.h
+28 −4 csrc/flashmask_v2/flash_fwd_kernel_sm90.h
+83 −50 csrc/flashmask_v2/mainloop_bwd_sm90_tma_gmma_ws.hpp
+5 −3 csrc/flashmask_v2/mainloop_fwd_sm90_tma_gmma_ws.hpp
+4 −3 csrc/flashmask_v2/tile_size.h
+30 −5 flashmask/flash_mask/__init__.py
+7 −1 flashmask/flash_mask/cute/flash_bwd_sm100.py
+1 −0 flashmask/flash_mask/cute/interface.py
+4 −0 flashmask/flash_mask/flash_attn_v4/.flake8
+29 −0 flashmask/flash_mask/flash_attn_v4/LICENSE
+50 −0 flashmask/flash_mask/flash_attn_v4/__init__.py
+104 −0 flashmask/flash_mask/flash_attn_v4/ampere_helpers.py
+73 −0 flashmask/flash_mask/flash_attn_v4/barrier.py
+1,090 −0 flashmask/flash_mask/flash_attn_v4/blackwell_helpers.py
+140 −0 flashmask/flash_mask/flash_attn_v4/block_info.py
+1,436 −0 flashmask/flash_mask/flash_attn_v4/block_sparse_utils.py
+70 −0 flashmask/flash_mask/flash_attn_v4/block_sparsity.py
+287 −0 flashmask/flash_mask/flash_attn_v4/cache_utils.py
+374 −0 flashmask/flash_mask/flash_attn_v4/copy_utils.py
+153 −0 flashmask/flash_mask/flash_attn_v4/cute_dsl_ptxas.py
+49 −0 flashmask/flash_mask/flash_attn_v4/cute_dsl_utils.py
+97 −0 flashmask/flash_mask/flash_attn_v4/fa_logging.py
+21 −0 flashmask/flash_mask/flash_attn_v4/fast_math.py
+1,308 −0 flashmask/flash_mask/flash_attn_v4/flash_bwd.py
+586 −0 flashmask/flash_mask/flash_attn_v4/flash_bwd_postprocess.py
+362 −0 flashmask/flash_mask/flash_attn_v4/flash_bwd_preprocess.py
+3,980 −0 flashmask/flash_mask/flash_attn_v4/flash_bwd_sm100.py
+55 −0 flashmask/flash_mask/flash_attn_v4/flash_bwd_sm120.py
+1,891 −0 flashmask/flash_mask/flash_attn_v4/flash_bwd_sm90.py
+1,230 −0 flashmask/flash_mask/flash_attn_v4/flash_fwd.py
+699 −0 flashmask/flash_mask/flash_attn_v4/flash_fwd_combine.py
+2,998 −0 flashmask/flash_mask/flash_attn_v4/flash_fwd_sm100.py
+60 −0 flashmask/flash_mask/flash_attn_v4/flash_fwd_sm120.py
+1,535 −0 flashmask/flash_mask/flash_attn_v4/flash_fwd_sm90.py
+131 −0 flashmask/flash_mask/flash_attn_v4/hopper_helpers.py
+274 −0 flashmask/flash_mask/flash_attn_v4/layout_utils.py
+1,461 −0 flashmask/flash_mask/flash_attn_v4/mask.py
+297 −0 flashmask/flash_mask/flash_attn_v4/mma_sm100_desc.py
+47 −0 flashmask/flash_mask/flash_attn_v4/named_barrier.py
+263 −0 flashmask/flash_mask/flash_attn_v4/pack_gqa.py
+2 −0 flashmask/flash_mask/flash_attn_v4/paddle/__init__.py
+96 −0 flashmask/flash_mask/flash_attn_v4/paddle/bench_utils.py
+293 −0 flashmask/flash_mask/flash_attn_v4/paddle/benchmark.py
+425 −0 flashmask/flash_mask/flash_attn_v4/paddle/block_sparsity.py
+362 −0 flashmask/flash_mask/flash_attn_v4/paddle/compute_block_sparsity.py
+218 −0 flashmask/flash_mask/flash_attn_v4/paddle/cute_dsl_utils.py
+1,998 −0 flashmask/flash_mask/flash_attn_v4/paddle/interface.py
+479 −0 flashmask/flash_mask/flash_attn_v4/paddle/testing.py
+235 −0 flashmask/flash_mask/flash_attn_v4/paged_kv.py
+403 −0 flashmask/flash_mask/flash_attn_v4/pipeline.py
+288 −0 flashmask/flash_mask/flash_attn_v4/seqlen_info.py
+302 −0 flashmask/flash_mask/flash_attn_v4/sm100_hd256_2cta_fmha_backward.py
+3,155 −0 flashmask/flash_mask/flash_attn_v4/sm100_hd256_2cta_fmha_backward_dkdvkernel.py
+2,145 −0 flashmask/flash_mask/flash_attn_v4/sm100_hd256_2cta_fmha_backward_dqkernel.py
+1,730 −0 flashmask/flash_mask/flash_attn_v4/sm100_hd256_2cta_fmha_forward.py
+403 −0 flashmask/flash_mask/flash_attn_v4/sm90_config_search.py
+591 −0 flashmask/flash_mask/flash_attn_v4/softmax.py
+17 −0 flashmask/flash_mask/flash_attn_v4/testing.py
+1,625 −0 flashmask/flash_mask/flash_attn_v4/tile_scheduler.py
+2 −0 flashmask/flash_mask/flash_attn_v4/torch/__init__.py
+197 −0 flashmask/flash_mask/flash_attn_v4/torch/bench_utils.py
+269 −0 flashmask/flash_mask/flash_attn_v4/torch/benchmark.py
+464 −0 flashmask/flash_mask/flash_attn_v4/torch/block_sparsity.py
+379 −0 flashmask/flash_mask/flash_attn_v4/torch/compute_block_sparsity.py
+206 −0 flashmask/flash_mask/flash_attn_v4/torch/cute_dsl_utils.py
+2,182 −0 flashmask/flash_mask/flash_attn_v4/torch/interface.py
+458 −0 flashmask/flash_mask/flash_attn_v4/torch/testing.py
+944 −0 flashmask/flash_mask/flash_attn_v4/utils.py
+277 −0 flashmask/flash_mask/interface.py
+24 −1 flashmask/setup.py
Loading