Author: Slater Wold
Date: 16:09:40 04/12/02
Go up one level in this thread
On April 12, 2002 at 18:31:09, Gian-Carlo Pascutto wrote: >On April 12, 2002 at 18:07:26, bob o wrote: > >>2.I read somewhere that a 2 CPU machine would give an 80% increase in NPS. Does >>this mean that there are diminishing returns with each extra CPU? > >Yes. > >What's even more worrying is that the latest public SMP Fritz >(Deep Fritz) only had an increase of 30% with an extra CPU, >not 80%. 30%? Who got 30%? I've never seen more than 5% on my SMP systems. (My Dual AMD 1.4Ghz or 1.53Ghz.) I've even got a *very* funny position where Deep Fritz 6 is slower than Fritz 6 in a position. (That is DF using 2 CPUs and F6 using just 1.) >They better had improved that 'little problem' since then or >there's gonna be little point in using an 8-way system! > >-- >GCP
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