محطم حصان 100 عمود المناولة الوسيط To not have a computer that has the latency of the cache is 100 nanoseconds, in the other hand was the latency to main memory is 1000 ns and the rate of 0.9 or 90% will be here the rate of access required is 200 ns Valbatalli been reduced time and we got the speed.