Problems: runs very slowly when converting single example to feature

[jiangpinglei]

I found it cost too much time When running the convert_single_example function.

time0 = time.time() feature = convert_single_example(ex_index, example, label_list, max_seq_length, tokenizer,mode) time1 = time.time() print("time cost:", time1-time0)

the cost is up to a few seconds！ time cost: 4.020495414733887

In convert_single_example function we can fix it by add the following code ： if not os.path.exists('./output/label2id.pkl'):

in front of

with open('./output/label2id.pkl','wb') as w: pickle.dump(label_map, w)