export CUDA_VISIBLE_DEVICES=0,1,2,3
export FLAGS_fast_eager_deletion_mode=1
export FLAGS_eager_delete_tensor_gb=0.0
export FLAGS_fraction_of_gpu_memory_to_use=0.98

python train.py \
            --model=ResNet34_vd \
            --batch_size=256 \
            --lr_strategy=cosine_decay \
            --lr=0.1 \
            --num_epochs=200 \
            --model_save_dir=output/ \
            --l2_decay=7e-5 \
            --use_mixup=True \
            --use_label_smoothing=True \
            --label_smoothing_epsilon=0.1