In C, why is “signed int” faster than “unsigned int”?

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隐瞒了意图╮ 2020-12-25 12:05

In C, why is signed int faster than unsigned int? True, I know that this has been asked and answered multiple times on this website (links below).

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猫巷女王i (楼主)

2020-12-25 12:38

Alternative wiki candidate test that may/may not show a significant time difference.

#include 
#include 

#define J 10
#define I 5

int main(void) {
  clock_t c1,c2,c3;
  for (int j=0; j



Sample output

2761 2746 -15
2777 2777 0
2761 2745 -16
2793 2808 15
2792 2730 -62
2746 2730 -16
2746 2730 -16
2776 2793 17
2823 2808 -15
2793 2823 30