mirror of https://github.com/hpcaitech/ColossalAI
39 lines
1.3 KiB
Python
39 lines
1.3 KiB
Python
import torch.nn as nn
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from torch import Tensor
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from ..parallel_2d._operation import split_batch_2d
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from ..parallel_2p5d._operation import split_batch_2p5d
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from ..parallel_3d._operation import split_batch_3d
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from ..utils import get_tensor_parallel_mode
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_parallel_split_batch = {'2d': split_batch_2d, '2.5d': split_batch_2p5d, '3d': split_batch_3d}
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def partition_batch(input_) -> Tensor:
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tensor_parallel_mode = get_tensor_parallel_mode()
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if tensor_parallel_mode in _parallel_split_batch:
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if isinstance(input_, dict):
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return {k: _parallel_split_batch[tensor_parallel_mode](v) for k, v in input_.items()}
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else:
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return _parallel_split_batch[tensor_parallel_mode](input_)
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else:
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return input_
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class ColossalaiModule(nn.Module):
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def __init__(self, module: nn.Module, **kwargs):
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super().__init__()
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# copy values
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self.__dict__ = module.__dict__.copy()
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# copy methods
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for name, attr in module.__class__.__dict__.items():
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if name not in ['__init__', 'forward'] and callable(attr):
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setattr(self, name, getattr(module, name))
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self._forward_func = module.forward
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for k, v in kwargs.items():
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setattr(self, k, v)
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def forward(self, *args):
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return self._forward_func(*args)
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