[转载] Help, about clock().# Unix - 噫吁兮,危乎高哉
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【 以下文字转载自 Programming 讨论区,原文如下 】
发信人: ycbcr (psb), 信区: Programming
标 题: Help, about clock().
发信站: The unknown SPACE (Tue Nov 21 17:34:02 2000) WWW-POST
To monitor program executing time, I used clock() in the
following C program:
{
clock_t start_time, end_time;
start_time = clock();
/* body of program */
end_time = clock();
printf("Elapsed time: %f\n", (end_time - start_time) );
return 0;
}
When run under UNIX, the difference is always 0. And the
start_time and end_time are al
发信人: ycbcr (psb), 信区: Programming
标 题: Help, about clock().
发信站: The unknown SPACE (Tue Nov 21 17:34:02 2000) WWW-POST
To monitor program executing time, I used clock() in the
following C program:
{
clock_t start_time, end_time;
start_time = clock();
/* body of program */
end_time = clock();
printf("Elapsed time: %f\n", (end_time - start_time) );
return 0;
}
When run under UNIX, the difference is always 0. And the
start_time and end_time are al