How to find the CUP time used by each function in my code?
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Paul Hoffrichter 2021 年 5 月 16 日
編集済み: Paul Hoffrichter 2021 年 5 月 16 日
If you need a profile of the relative time spent in every function when running your entire script, then while viewing the main program script in the EDITOR section, you can hit the "Run and Time" button instead of the "Run" button. The resultant summary does not give you CPU time, but only relative times. When you see a function taking up most of the time, you can delve into its hyperlink and get a time profile of the individual lines.
The following link provides an explanation of how to interpret the profiling results.
There is also a cputime function if you really need that. I have never used it and it does not give a complete breakdown of all the functions.
Here is a detailed description of how to profile your code starting at the command window. You set the profile status to on, and run your program. Notice that there is a -timer 'cpu' option. Just be aware that cpu time gives you the sum of the times on all your CPU cores; so the cpu time can be larger than measuring time using timeit or tic/toc.