Optimize checkpointing #505
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This avoids checkpoint weights to be stored as float32.
When the model needs to be exported, using snapshot_download before export is not efficient as it fetches both pytorch and safetensors weigths.
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michaelbenayoun
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Mar 6, 2024
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What does this PR do?
This modifies the decoder models export code to reduce the disk usage when creating checkpoints:
torch_dtype = autowhen loading the model to avoid casting weigths tofloat32(the default),snapshot_downloadbefore exporting to avoid downloading bothpytorchandsafetensorsweights.