At 07:16 AM 8/17/2002 -0700, Gary Edstrom wrote: >It is my understanding from reading the documentation that setting the >available memory only affects the P-1 factoring stage and not the main >LL test. Is this correct?
Yes. >The reason I am asking is because of a great difference that I have >noticed in the iteration time of the LL test on my 2.2GHz desktop and my >1.0GHz laptop while running comparable sized numbers on both machines. >I would expect to see the laptop taking a little more than double the >iteration time of the desktop. Instead, I am seeing a 5x difference. The P4 2.2GHz machine uses the SSE2 instructions for a big speed up. See the http://www.mersenne.org/bench.htm for timings from a wide variety of machines _________________________________________________________________________ Unsubscribe & list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers
