mmdetection-2.26.0/configs/gcnet/mask_rcnn_r101_fpn_syncbn-backbone_1x_coco.py

_base_ = '../mask_rcnn/mask_rcnn_r101_fpn_1x_coco.py'
model = dict(
 backbone=dict(
 norm_cfg=dict(type='SyncBN', requires_grad=True), norm_eval=False))