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#include <time.h>
/* return current time in milliseconds */
long get_current_ms() {
struct timespec res;
clock_gettime(CLOCK_REALTIME, &res);
return 1000 * res.tv_sec + res.tv_nsec / 1e6;
}
long start = get_current_ms(); // start time // YOUR CODE HERE long end = get_current_ms(); // end time long delta = end - start; // time your code took to exec in ms
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原文地址:http://my.oschina.net/jerikc/blog/513325