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[Enhance] enhance fsdp prefetch #1405

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[Enhance] enhance fsdp prefetch #1405

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1 change: 1 addition & 0 deletions xtuner/v1/model/dense/dense.py
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Original file line number Diff line number Diff line change
Expand Up @@ -269,6 +269,7 @@ def fully_shard(
offload_policy=CPUOffloadPolicy() if self.fsdp_config.cpu_offload else None,
)
self.set_modules_to_forward_prefetch([self.embed_tokens, self.layers["0"]]) # type: ignore
list(self.layers.values())[-1].set_modules_to_forward_prefetch([self.norm, self.lm_head]) # type: ignore

self._to_empty_meta()

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1 change: 1 addition & 0 deletions xtuner/v1/model/moe/moe.py
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Original file line number Diff line number Diff line change
Expand Up @@ -779,6 +779,7 @@ def fully_shard(
offload_policy=CPUOffloadPolicy() if self.fsdp_config.cpu_offload else None,
)
self.set_modules_to_forward_prefetch([self.embed_tokens, self.layers["0"]]) # type: ignore
list(self.layers.values())[-1].set_modules_to_forward_prefetch([self.norm, self.lm_head]) # type: ignore

for _, module in self.named_modules():
if isinstance(module, nn.Embedding):
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