export IMAGENET_DIR=/public/DL_DATA/ImageNet-pytorch
export HIP_VISIBLE_DEVICE=0,1,2,3
OMP_NUM_THREADS=1 python3 -m torch.distributed.launch   --nproc_per_node=4 main_pretrain.py --epochs 1 --accum_iter 4 --model mae_vit_base_patch16 --batch_size 64 --model mae_vit_base_patch16  --data_path ${IMAGENET_DIR}