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wherobots / sam3 Public

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Enable torch.export of the full SAM3 grounding pipeline#9

Open

rbavery wants to merge 10 commits into

mainwherobots/sam3:mainfrom

export-pipeline-minimalwherobots/sam3:export-pipeline-minimalCopy head branch name to clipboard

Conversation Commits10 (10)Checks Files changed

Open

Enable torch.export of the full SAM3 grounding pipeline#9
rbavery wants to merge 10 commits into
mainfrom
export-pipeline-minimal

Commits

Commits on Apr 29, 2026

Enable torch.export of the full SAM3 grounding pipeline
rbavery
committed
Use torch.compiler.is_compiling() — covers both strict and non-strict export
rbavery
committed
Drop isinstance assert in _cross_attn_with_rpb
rbavery
committed
Trace export with batch=2 so Dim.AUTO doesn't specialize the batch dim
rbavery
committed
Use named Dim('batch', min=1) so exported model accepts batch=1
rbavery
committed
Cast projection weights to activation dtype in _cross_attn_with_rpb
rbavery
committed
Trace under bf16 autocast on CUDA
rbavery
committed
Move bf16 autocast inside the wrapper forward
rbavery
committed
Strengthen pytest: assert eager-vs-exported equivalence + parametric dynamic shapes
rbavery
committed
Add save/load roundtrip test for the .pt2 archive
rbavery
committed

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