Computer Chess Club Archives

Search

Messages

Subject: Re: Kramnik-Fritz NPS

Author: Gian-Carlo Pascutto

Date: 15:33:16 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%.

Little correction: what I was talking about wasn't pure NPS, since
that doesn't say anything in a parallel search, but the speedup.

You can use a 1000-way system, get 1000 times the NPS and not go
a single precent faster.

--
GCP

• Re: Kramnik-Fritz NPS Bernhard Bauer 01:25:20 04/13/02
  • Re: Kramnik-Fritz NPS Slater Wold 01:40:19 04/14/02
    • Re: Kramnik-Fritz NPS Uri Blass 01:48:01 04/14/02
      • Re: Kramnik-Fritz NPS Slater Wold 03:18:46 04/14/02
        • Re: Kramnik-Fritz NPS Uri Blass 03:57:25 04/14/02

This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.