_base_=['../_base_/models/resnet50.py','../_base_/datasets/imagenet21k_bs128.py','../_base_/schedules/imagenet_bs1024_coslr.py','../_base_/default_runtime.py']# model settingsmodel=dict(head=dict(num_classes=21843))# runtime settingstrain_cfg=dict(by_epoch=True,max_epochs=90)