GPU_play=(0) GPU_train=(3,4,5,6) str_play='python play.py --data_path=./data/ --save_path=./go/ --game=go &' str_train='python model.py &' play_each_GPU=4 $str_train echo 'Start training' for gpu in $GPU do export CUDA_VISIBLE_DEVICES=$gpu for ((i=1;i<=$play_each_GPU;i++)) do $str_play done done