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hub / github.com/deepspeedai/DeepSpeed / _broadcast_model

Method _broadcast_model

deepspeed/runtime/engine.py:1593–1614  ·  view source on GitHub ↗
(self)

Source from the content-addressed store, hash-verified

1591 f'Client Optimizer (type = {type(self.client_optimizer)} is not instantiated but Client LR Scheduler is instantiated'
1592
1593 def _broadcast_model(self):
1594 if self.dist_backend is None:
1595 return
1596
1597 def is_replicated(p):
1598 if hasattr(p, "ds_status") and p.ds_status is not ZeroParamStatus.AVAILABLE:
1599 return False
1600 elif hasattr(p, 'ds_optim_param'):
1601 # do not broadcast OptimizedLinear parameters, they are unique per base weight shard
1602 return False
1603 return True
1604
1605 for n, p in self.module.named_parameters():
1606 # Broadcast the model for different parameters
1607 if is_moe_param(p):
1608 if torch.is_tensor(p) and is_replicated(p):
1609 dist.broadcast(p.data,
1610 groups._get_expert_broadcast_src_rank(p.group_name),
1611 group=self.expert_data_parallel_group[p.group_name])
1612 else:
1613 if torch.is_tensor(p) and is_replicated(p):
1614 dist.broadcast(p.data, groups._get_broadcast_src_rank(), group=self.seq_data_parallel_group)
1615
1616 @staticmethod
1617 def __check_params(model: Module, dtype: torch.dtype) -> None:

Callers 2

_configure_optimizerMethod · 0.95

Calls 2

is_moe_paramFunction · 0.85
broadcastMethod · 0.45

Tested by

no test coverage detected