At 06:14 PM 1999/10/14 -0400, "St. Dee" <[EMAIL PROTECTED] wrote:
>If I run a single instance of mprime, I get LL iteration times on exponents
>near 8,200,000 of about .220. If I run two instances of mprime, each gets
>iteration times of around .245. I expected some hit, but I have no idea if
>that is too big of a hit or not. Curiously, I did notice that when the box
>was doing some factoring to 64 bits, it didn't seem to make any difference
>in the factoring times whether I had one or two processors crunching.
Sounds like a typical hit.
With Prime95 & Prime95 or NTPrime LLtesting, hits are typically
Pentium-MMX 18%
Pentium Pro 20%
Pentium II 10-12%
Individual motherboard/cpu combinations can be affected up to 25% by
choice of RAM type (at least on pentium, FPM vs EDO)
% performance hit is expected to vary with FFT size due to varying cache
effectiveness.
Ken
_________________________________________________________________
Unsubscribe & list info -- http://www.scruz.net/~luke/signup.htm
Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers
