import tensorflow as tf import multiprocessing as mp core_num = mp.cpu_count() config = tf.ConfigProto( inter_op_parallelism_threads=core_num, intra_op_parallelism_threads=core_num ) a = tf.Variable(12.3) init = tf.initialize_all_variables() ss= tf.Session(config=config) ss.run(init) print(ss.run(a))