Measure performance of 2 programmes

조회 수: 1 (최근 30일)
Xiaohan Du
Xiaohan Du 2018년 8월 10일
답변: Stephan 2018년 8월 10일
Hello,
I have 2 codes codeOld and codeNew, each contains many methods (i.e. both very complex). I'd like to prove that codeNew is better than codeOld as the former is faster. So I googled it and found the following functions to measure the performance: timeit, tic toc, cputime.
I used tic toc before but people say I should use timeit. But I read in many papers, they measure the performance of a code using cputime. This is confusing me because in this help page: https://uk.mathworks.com/help/matlab/matlab_prog/measure-performance-of-your-program.html They say cputime can be misleading.
So which one should I use if I want to measure the performance and speed of my code?
Many thanks!

답변 (1개)

Stephan
Stephan 2018년 8월 10일
Hi,
i suggest to use this:
This is good for comparison and also for finding bottlenecks and possobilities for improvement.
Best regards
Stephan

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