ColossalAI/colossalai/engine/schedule/_utils.py

17 lines
449 B
Python

#!/usr/bin/env python
# -*- encoding: utf-8 -*-
from typing import Union, List
from torch import Tensor
def convert_to_fp16(data: Union[Tensor, List[Tensor]]):
if isinstance(data, Tensor):
ret = data.half()
elif isinstance(data, (list, tuple)):
ret = [val.half() for val in data]
else:
raise TypeError(f"Expected argument 'data' to be a Tensor or a list/tuple of Tensor, but got {type(data)}")
return ret