add --ramtorch_disable_extensions and --ramtorch_disable_sync_hooks to disable custom features #2541
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The Embedding/RMSNorm and others may not be needed on medium-to-large GPUs, and can cause problems.
The sync hooks are added to ensure deterministic operations for RamTorch since it has drift between executions. Disabling them can speed it up a little bit, at the risk of having random differences during training.
note: ramtorch uses stochastic rounding internally anyway during training, accuracy isn't guaranteed.