Author: Keith Evans
Date: 15:34:54 12/17/03
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On December 17, 2003 at 16:01:06, Slater Wold wrote: >On December 17, 2003 at 15:40:07, Mathieu Pagé wrote: > >>Just for fun i calculated the nodes/secondes for the last 24 hours >> >>and it is: 4450300925 nodes /seconds >>or : 4450 millions nodes / seconds >>or : 4,5 giga nodes / seconds >> >>This system is faster than my own chess engine by a factor of 1:4450 >> >>I think it's an all time record for a perft. >> >>impressive, isn't it ? >> >>Thanks Albert to privide us with this fun project (not usefull, but fun :) >> >>let's compute guys. >> >>Mathieu > >And Bob thinks his quad opteron is fast! Pftt! > >4.5B NPS. Imagine that chess engine... All Bob needs to do to boost this dramatically is to change how he counts nodes. My understanding is that the nps given for the distributed perft project counts all of the nodes that would have been visited if hash tables were not used. But then hash tables are used, so not all of the nodes are actually visited. Is this understanding correct? -Keith
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