Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Hash Table Size Versus Performance.

Author: Robert Hyatt

Date: 14:30:02 05/31/98

Go up one level in this thread


On May 31, 1998 at 15:34:06, Don Dailey wrote:

>>Could you or Don explain what "sticky transposition table" are.
>>
>>                                                      Thanks
>>                                                      Mark
>
>An entry that never goes away.  You can flag special entries to
>never get overwritten for instance.  This is often done to track
>position repetition in chess programs, all the move history is
>flagged "sticky" and draws are scored if a new entry matches
>a sticky entry.
>
>- Don

plus things like singular extensions use this... and when a position
is declared "singular" it is marked "sticky" (or put in a separate
sticky hash table in Deep Blue) and flagged as singular, so it will
be treated as singular from now on, to keep the search more
consistent...



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.