Configurable GradScaler Parameters #1038
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Summary:
TorchTNT's
AutoUnitinitializes a GradScaler ifprecision == torch.float16and uses default parameters offrom torch.amp.grad_scaler.GradScalerortorch.distributed.fsdp.sharded_grad_scaler.ShardedGradScalerrespectively.Some projects require custom arguments for their GradScaler, thus, I propose to expose these parameters and make them configurable.
I propose to implement them as a dataclass analoguous to
SWALRParamsandSWAParams.Also added integration tests in
test_precision.py.Differential Revision: D86090032