serial version<br />

clock_t startTime = clock();

for (i = 0; i < m; i++) {

}

clock_t endTime = clock();

<br />

MKL version<br />

Used to set the number of threads that MKL runs, mkl_set_num_threads(). <br />

max_threads = mkl_get_max_threads();

printf(" Finding max number %d of threads Intel(R) MKL can use for parallel runs \n\n", max_threads);

}

s_elapsed = (dsecnd() - s_initial) / LOOP_COUNT;

https://raw.githubusercontent.com/MenglinWu9527/m3u/main/mkl.jpeg