import torch.nn as nn from mmdet.ops.norm import norm_cfg from .sync_bn import NaiveSyncBatchNorm1d, NaiveSyncBatchNorm2d norm_cfg.update({ 'BN1d': ('bn', nn.BatchNorm1d), 'naiveSyncBN2d': ('bn', NaiveSyncBatchNorm2d), 'naiveSyncBN1d': ('bn', NaiveSyncBatchNorm1d), })