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frost(sdpa): port the SM80 backward onto SdpaBwdDsl + TemplateParams with sym_int THD extents (issue #604) #765

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Merged
vedaanta merged 4 commits into from
Aug 31, 2026
Merged

frost(sdpa): port the SM80 backward onto SdpaBwdDsl + TemplateParams with sym_int THD extents (issue #604) #765

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cb7530a
[SDPA] Port the SM80 backward onto the SdpaBwdDsl adapter path
egilliam-nv Aug 25, 2026
860895e
frost(sdpa): convert the SM80 backward kernel to a TemplateParams mod…
egilliam-nv Aug 25, 2026
c205587
review: THD must compile at the flavor envelope dims, not the templat…
egilliam-nv Aug 31, 2026
126deac
review: Ruff-clean per-sequence reference + tight counter window on t…
egilliam-nv Aug 31, 2026
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2 changes: 1 addition & 1 deletion python/cudnn/sdpa/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@

from cudnn.sdpa.fwd import SdpaFwdDslSm100, SdpaFwdDslSm120, SdpaFwdDslSm80
from cudnn.sdpa.fwd import sdpa_fwd_wrapper_dsl_sm100, sdpa_fwd_wrapper_dsl_sm120, sdpa_fwd_wrapper_sm80
from cudnn.sdpa.bwd import SdpaBwdDslSm120, SdpabwdSm80
from cudnn.sdpa.bwd import SdpaBwdDslSm120, SdpaBwdDslSm80
from cudnn.sdpa.bwd import sdpa_bwd_wrapper_dsl_sm120, sdpa_bwd_wrapper_sm80

Submodule imports stay lazy there (PEP 562): eager imports used to drag the
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4 changes: 2 additions & 2 deletions python/cudnn/sdpa/bwd/__init__.py
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Expand Up @@ -17,8 +17,8 @@
"SdpaBwdDsl": (".api_dsl", "SdpaBwdDsl"),
"SdpaBwdDslSm120": (".api_dsl", "SdpaBwdDslSm120"),
"sdpa_bwd_wrapper_dsl_sm120": (".api_dsl", "sdpa_bwd_wrapper_dsl_sm120"),
"SdpabwdSm80": (".api", "SdpabwdSm80"),
"sdpa_bwd_wrapper_sm80": (".api", "sdpa_bwd_wrapper_sm80"),
"SdpaBwdDslSm80": (".api_dsl", "SdpaBwdDslSm80"),
"sdpa_bwd_wrapper_sm80": (".api_dsl", "sdpa_bwd_wrapper_sm80"),
}

__all__ = list(_LAZY_EXPORTS)
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746 changes: 0 additions & 746 deletions python/cudnn/sdpa/bwd/api.py
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