Le 14/02/2018 à 14:35, fujimoto2005 a écrit :
I am using 6.00 for windows.
I am doing a simulation using a random number matrix with a huge size. The
size of the random matrix is 10 ^ 4 x 25000.
I am using a PC equipped with 8 cores and 16 threads.
It takes a considerable time to finish the simulation, but CPU utilization
is as low as 10-20%. Is there any way to increase the CPU usage and finish
the calculation sooner?

So may be it's a RAM issue. If you need a lot of intermediate memory and you don't have it (here you need 2GB per copy, if you are using decimal numbers), it usually goes to the disk space.. which is unbearably slow.

My two cents..

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