mirror of https://github.com/hpcaitech/ColossalAI
111 lines
2.7 KiB
Python
111 lines
2.7 KiB
Python
import torch
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from typing import Union, Dict, List, Tuple
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from operator import add, floordiv, getitem, mul, neg, setitem, sub, pos
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from . import META_COMPATIBILITY
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__all__ = ['activation_size', 'parameter_size']
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if META_COMPATIBILITY:
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aten = torch.ops.aten
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WEIRD_OPS = [
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torch.where,
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]
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INPLACE_ATEN = [
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aten.add_.Tensor,
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aten.add.Tensor,
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aten.sub_.Tensor,
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aten.div_.Tensor,
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aten.div_.Scalar,
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aten.mul_.Tensor,
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aten.mul.Tensor,
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aten.bernoulli_.float,
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# inplace reshaping
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aten.detach.default,
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aten.t.default,
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aten.transpose.int,
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aten.view.default,
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aten._unsafe_view.default,
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]
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__all__ += ['INPLACE_ATEN', 'WEIRD_OPS']
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else:
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# TODO fill out the inplace ops
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INPLACE_OPS = [
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add,
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sub,
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mul,
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floordiv,
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neg,
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pos,
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getitem,
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setitem,
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getattr,
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torch.Tensor.cpu,
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]
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# TODO: list all call_methods that are inplace here
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INPLACE_METHOD = [
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'transpose',
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'permute',
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# TODO: reshape may return a copy of the data if the data is not contiguous
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'reshape',
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'dim',
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'flatten',
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'size',
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'view',
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'unsqueeze',
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'to',
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'type',
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'flatten',
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]
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# TODO: list all call_methods that are not inplace here
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NON_INPLACE_METHOD = [
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'chunk',
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'contiguous',
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'expand',
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'mean',
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'split',
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]
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__all__ += ['INPLACE_OPS', 'INPLACE_METHOD', 'NON_INPLACE_METHOD']
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def activation_size(out: Union[torch.Tensor, Dict, List, Tuple, int]) -> int:
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"""Calculate activation size of a node.
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Args:
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activation (Union[torch.Tensor, Dict, List, Tuple, int]): The activation of a `torch.nn.Module` or `torch.nn.functional`
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Returns:
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int: The activation size
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"""
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act_size = 0
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if isinstance(out, torch.Tensor):
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act_size += out.numel() * torch.tensor([], dtype=out.dtype).element_size()
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elif isinstance(out, dict):
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value_list = [v for _, v in out.items()]
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act_size += activation_size(value_list)
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elif isinstance(out, tuple) or isinstance(out, list):
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for element in out:
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act_size += activation_size(element)
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return act_size
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def parameter_size(mod: torch.nn.Module) -> int:
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"""Calculate param size of a node.
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Args:
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mod (torch.nn.Module): The target `torch.nn.Module`
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Returns:
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int: The param size
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"""
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param_size = 0
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for param in mod.parameters():
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param_size += param.numel() * torch.tensor([], dtype=param.dtype).element_size()
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return param_size
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