Another `timeit` update

著者 Steve Eddins, December 31, 2008

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I just posted another timeit update to the MATLAB Central File Exchange. (See my original post on timeit for a detailed explanation of its purpose and use.) The new version has a few improvements:

Times very fast functions more accurately
Warns you when the reported time might be affected by time-measurement overhead
Takes less time to finish for functions that take more than a few seconds to run

Here's an example of the new warning message:

>> timeit(@() sin(pi))
Warning: The measured time for F may be inaccurate because it is close to the
estimated time-measurement overhead (1.2e-006 seconds).  Try measuring something
that takes longer. 
> In timeit at 100

ans =

  2.7797e-007