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问题描述
什么是时间分辨率高,可移植性code节的最佳方式?
What is the best way to time a code section with high resolution and portability?
/* Time from here */
ProcessIntenseFunction();
/* to here. */
printf("Time taken %d seconds %d milliseconds", sec, msec);
是否有将有一个跨平台的解决方案,一个标准库?
Is there a standard library that would have a cross-platform solution?
推荐答案
我觉得这应该工作:
#include <time.h>
clock_t start = clock(), diff;
ProcessIntenseFunction();
diff = clock() - start;
int msec = diff * 1000 / CLOCKS_PER_SEC;
printf("Time taken %d seconds %d milliseconds", msec/1000, msec%1000);
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