Author: Omid David
Date: 11:31:33 08/30/02
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On August 30, 2002 at 11:24:50, David Hanley wrote: >Dan, i really appreciate your help with this. > >I should have been more clear. My sorted search from the opening position was >an eight ply search. Here's a six ply search: > >Score: -55 >Searched 28744 nodes >Got 8063 hash hits (28 percent hits) >There were 16100 quiesce nodes >The pawn hash contains 2833 entries >Branching factor is 4.827881 > >So, that's 28744 total nodes, and 12644 non-quiesce nodes. > >According to your list, a six ply search from the opening for the other programs >reports node counts of: > >yace : 34,240 >glc-218 : 12,970 >gnu: 17,175 >phalanx: 9,829 >genesis 40,582 > >I'm not sure what to think. Perhaps yace and genesis are counting all nodes, >and glc,gnu,and phalanx are reporting non-quiesce nodes. If that is the case, >then things are going quite all right for me, and i am in the thick of things. >That makes sense to me, since i think yace is one of the strongest programs, yet >here it looks like phalanx is beating it by nearly a factor of four in search >efficency. > >But this helps me a lot, i appreciate your taking the time to assist me. > >dave Yes, Genesis counts all nodes (quiescence, leaf, cut, hash, etc). I don't know whether there are programs that disclude quiescence nodes, but I've come across many academic articles that count only the "normal" nodes. Omid.
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