Author: José de Jesús García Ruvalcaba
Date: 10:15:43 07/02/99
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On July 02, 1999 at 12:45:47, Peter Kappler wrote: >On July 02, 1999 at 12:35:21, eric guttenberg wrote: > >>Peter, >> >>It isn't really that Hiarcs is "pondering" since neither program can think on >>its opponent's time but the effect is much the same. >>As was discussed in an earlier thread, H7.32 does not clear its hash tables >>after each moves so if it correctly "predicts" F5.32's move, H7.32 will >>pick up where it left off in its analysis from the previous move, which >>will result in a deeper search. So it is not a bug but rather a feature of >>H7.32 that gives it a boost in one-computer games over F5.32. >>This at least is the theory presented by Jim Walker. In any event, the >>results speak for themselves. There is a difference between one-computer >>game results and two computer game results as to these 2 programs, >>whatever the reason. >> >>eric > > >Why is Fritz clearing the hashtables between moves? And why only in >engine-engine matches on the same machine? Almost sounds like a bug... > >--Pete Fritz always clears its hashtables between moves, not only in engine-engine games. Fritz is a root procesor and it makes no sense for it to keep the hashtables for another search with a different root position.
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