Wu Yongzheng

Is your training sample a DOS text file? I use unix text files. I guess it might because `"\r\n" in data` being slow for unix text files.

I'm trying to figure out why it's slow for me, but fast for you. For example, `'a' in 'aaaaaaaaaaaaaaa'` runs faster than `'b' in 'aaaaaaaaaaaaaaa'`. In my case, unix file...