中文:http://www.cnblogs.com/zhouej/archive/2012/03/25/2379646.html
英文:https://www.huyng.com/posts/python-performance-analysis
中文:http://www.cnblogs.com/zhouej/archive/2012/03/25/2379646.html
英文:https://www.huyng.com/posts/python-performance-analysis