Introduction - If you have any usage issues, please Google them yourself
Multi-threaded computing pi, and do performance analysis. Comparison of single-threaded and multithreaded computing the same number of threads of different example, N take 1000,000, tested and 1,2,3,4 ... ... threads when required. The same number of threads, different calculation, for example, examine only single-threaded and dual-thread performance comparison, N respectively, for different values.