specifying which gpu to use in tensorflow script
import os
os.environ\["CUDA\_DEVICE\_ORDER"\] = "PCI\_BUS\_ID"
os.environ\["CUDA\_VISIBLE\_DEVICES"\] = "2"
import os
os.environ\["CUDA\_DEVICE\_ORDER"\] = "PCI\_BUS\_ID"
os.environ\["CUDA\_VISIBLE\_DEVICES"\] = "2"