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Subject: Re: CM KKND 1MB hash vs CM Default 50 games

Author: John Merlino

Date: 08:23:00 04/12/01

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On April 12, 2001 at 07:07:47, Daniel Chancey wrote:

>Could you explain the problem of hash clearing again?
>
>Castle2000

First, you should know that the problem will go away with the next (and final)
patch.

Second, it's pretty simple. The hash table is cleared out at the beginning of
every search. On my PIII-600, it took about 1/2 second (by my VERY ROUGH
estimations) to clear a 32MB hash table. Therefore, in a G/5 that goes 80 moves
(for example) a Chessmaster personality with a 32MB hash table will lose 40
seconds on its clock for nothing, since 31MB of the hash table is completely
wasted.

jm

• Re: CM KKND 1MB hash vs CM Default 50 games Paul Doire 08:58:05 04/12/01
  • Re: CM KKND 1MB hash vs CM Default 50 games John Merlino 10:41:41 04/12/01
    • Re: CM KKND 1MB hash vs CM Default 50 games Paul Doire 11:14:14 04/12/01
      • Re: CM KKND 1MB hash vs CM Default 50 games Jason Williamson 01:24:33 04/13/01
      • Re: CM KKND 1MB hash vs CM Default 50 games John Merlino 12:13:32 04/12/01

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