[Feature] Add the region-level selective checkpointing engine (2/3) - #1980

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feat/sac-nonlegacy-basefrom

feat/sac-engine

Commits on Jul 29, 2026

[Feature] Add the region-level selective checkpointing engine

HAOCHENYE
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jayhenry
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[Feature] Route the sharding paths through selective checkpointing

HAOCHENYE
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jayhenry
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[Fix] Scope selective checkpointing diagnostics per model

HAOCHENYE
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jayhenry
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[Fix] Report regions that open but keep nothing, per model

HAOCHENYE
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jayhenry
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[Test] Drop the DSA reentrant fallback test

HAOCHENYE
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jayhenry
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[Docs] Point the diagnostics comments at the function that reports

HAOCHENYE
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jayhenry
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