Add exact Newton policies and resident CUDA foundation recipes - #27
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| "schema": "openboost-pr27-modal-validation-index-v1", | |||
| "source_commit": "312d8213900c0e4b35e7bdcac3d92d74ca5dbb81", | |||
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After this PR is squash-merged as a059cd4, the recorded 312d821... commit is not an ancestor of the resulting commit and exists only in the checkpoint branch. check_modal_validation.py calls git ls-tree on this SHA, so a fresh checkout cannot run either main workflow once that branch is deleted or no longer advertised, even though the validated non-evidence inventory matches. Retain the source commit through main or a permanent tag, or verify the committed inventory without requiring this otherwise-unreachable object.
AGENTS.md reference: AGENTS.md:L15-L18
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Bring the foundation checkpoint onto public main: explicit CUDA multiclass, AFT and multi-output recipes; exact Newton ordering and Normal split/leaf policies; resident input sharing; compatible scalar squared scheduling; and accompanying CPU components, reference tests and documentation.
Production sources match the retained
91a519dcheckpoint. The selection manifest records source/test provenance and omitted archive-dependent tests. The compact historical train-many report remains a limited historical observation; fresh validation of this candidate is recorded separately.Validation at
312d8213900c0e4b35e7bdcac3d92d74ca5dbb81:Committed Modal receipts retain exact source inventories, installed wheel identities, original collections/JUnit, raw artifacts and earlier failed attempts. GitHub checks these bindings; numerical tests and builds execute on Modal. The results directory is the only exclusion from the tested tracked-source inventory.
This remains an experimental foundation checkpoint. CPU shared-tree and CUDA independent-tree multiclass are distinct recipes. Full-budget Housing and later classification construction are outside this PR; omitted archive-dependent tests remain recorded obligations. Full v1, application quality/cost acceptance and E5 remain open; E5 is deferred.