fix loss normalization for ddp training

haoneng.lhn

2023-12-07 4152cf4615e234b9892703a8e088cdd51937fc13

 funasr/layers/complex_utils.py

@@ -5,8 +5,12 @@
from typing import Union

import torch
from torch_complex import functional as FC
from torch_complex.tensor import ComplexTensor
try:
    from torch_complex import functional as FC
    from torch_complex.tensor import ComplexTensor
except:
    print("Please install torch_complex firstly")



EPS = torch.finfo(torch.double).eps