fix: shared memory - #51
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SplitHeadWrapper wraps RobertaForMaskedLM which has tied weights (word_embeddings.weight ↔ lm_head.decoder.weight). Safetensors rejects shared tensors during checkpoint saving. Switch to torch.save via save_safetensors=False. Replace torch.distributed with accelerate.PartialState for world-size detection, and torchrun with accelerate launch for cleaner distributed training management.ix: resolve safetensors shared tensor error and migrate to accelerate SplitHeadWrapper wraps RobertaForMaskedLM which has tied weights (word_embeddings.weight ↔ lm_head.decoder.weight). Safetensors rejects shared tensors during checkpoint saving. Switch to torch.save via save_safetensors=False. Replace torch.distributed with accelerate.PartialState for world-size detection, and torchrun with accelerate launch for cleaner distributed training management.
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