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Time it - C (See related posts)

This function runs another function, given as a parameter, a certain number of times and returns the number of cycles needed to complete.

Useful for timing short snippets of code.

#include <time.h>

typedef void(*FN)();

double timeit(FN f, int n) {
  clock_t start = clock();

  int i = 0;
  for (; i < n; ++i)
    f();

  return clock() - start;
}
to c timer by scvalex on Wed May 09 04:31:08 -0400 2007

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