mirror of https://github.com/hpcaitech/ColossalAI
34 lines
1.1 KiB
Python
34 lines
1.1 KiB
Python
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from typing import Optional
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import torch.nn.functional as F
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from colossalai.tensor import ColoTensor, ColoTensorSpec, ReplicaSpec
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from colossalai.tensor.op_wrapper import colo_op_impl
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from ._utils import GeneralTensor, convert_to_colo_tensor
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@colo_op_impl(F.batch_norm)
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def colo_batch_norm(
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input: GeneralTensor,
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running_mean: Optional[GeneralTensor],
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running_var: Optional[GeneralTensor],
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weight: Optional[GeneralTensor] = None,
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bias: Optional[GeneralTensor] = None,
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training: bool = False,
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momentum: float = 0.1,
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eps: float = 1e-5,
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):
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assert isinstance(weight, ColoTensor)
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running_mean = running_mean.detach()
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running_var = running_var.detach()
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input = convert_to_colo_tensor(input, weight.get_process_group())
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bias = convert_to_colo_tensor(bias, weight.get_process_group())
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input = input.redistribute(ReplicaSpec())
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bias = bias.redistribute(ReplicaSpec())
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output = F.batch_norm(input, running_mean, running_var, weight, bias, training, momentum, eps)
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output = ColoTensor.from_torch_tensor(tensor=output, spec=ColoTensorSpec(pg=weight.get_process_group()))
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return output
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