SM80 (A100) SDPA: FROST engines + cudnn.sdpa adapters - #493

Merged

YangXu1990uiuc merged 12 commits into

NVIDIA:developfrom

egilliam-nv:sm80-sdpa

Aug 13, 2026

Commits on Aug 12, 2026

SM80 (A100) SDPA: FROST engines + cudnn.sdpa adapters

egilliam-nv
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claude
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7885f31
review: address CodeRabbit findings
egilliam-nv
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9b0d797
review: actually drop the stray fe_cuda_13.3.cfg
egilliam-nv
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1342012
review: round 2 — backward twins of the round-1 fixes + test tiering
egilliam-nv
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ca44803
docs: purge the last ctm mentions — the retired DSL package is not a dependency of anything in this PR
egilliam-nv
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fbb8a9d
test: skip the SM80 fe_api suites when the CuTe DSL is missing or predates cutlass.experimental
egilliam-nv
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0d8bf1f
review: round 3 — require the bound seq_len_q buffer + Ruff lints
egilliam-nv
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a863f9e
fix: drop duplicated stale helpers the analyzer merge left behind
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b0c34d6
fix: never wrap the default stream handle in ExternalStream (CI determinism zeros)
egilliam-nv
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814e9c1
test: pin SM80 plans via frost_test_utils.select_engine (post-#528 plan names carry knobs)

egilliam-nv
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claude
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f362592
review: fold SM80 adapters into api.py, configs into config_sm80.py, drop the docs pages

egilliam-nv
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claude
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eb1d37a
rebase: dedupe the bwd Capabilities.layouts field (#533 introduced its own copy)

egilliam-nv
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claude
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ddfbacc