Adds initial Keras Orbax checkpointer V2 implementation. #74
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First step in creating a memory efficient Keras + Jax checkpointer that uses nested PyTrees instead of flat tuples to enable model surgery. - Checkpoints the serialized model config as metadata. - Upgrades the checkpointing logic to the new Orbax API. - Writes checkpoints as a dict instead of a tuple. - Removes unnecessary expensive `jax_state_sync` calls. Reverts changelist 793734230 PiperOrigin-RevId: 774946771
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Adds initial Keras Orbax checkpointer V2 implementation.
First step in creating a memory efficient Keras + Jax checkpointer that uses nested PyTrees instead of flat tuples to enable model surgery.
jax_state_synccalls.Reverts changelist 793734230