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#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/time.h>
double gettime(void)
struct timeval tv;
gettimeofday(&tv, NULL);
return tv.tv_sec + (tv.tv_usec / 1e6);
void loop(int count)
int i;
for (i = 0; i < count; i++)
printf("hi mom %g\n", (double) i * M_PI);
int main(int argc, char **argv)
double start, elapsed;
int i, count;
count = argc == 2 ? atoi(argv[1]) : 1600000;
start = gettime();
elapsed = gettime() - start;
fprintf(stderr, "%d iterations in %g secs (%g thousand/sec)\n",
count, elapsed, count / elapsed / 1e3);
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