I tend to agree. For one thing, there is simply no way the 2-0 actually represents their relative strength in these configurations. Despite having roughly 4x the horsepower, Houdini 3 is probably still the stronger player, though by how much is unclear. I am guessing 20-40 Elo.Hugo wrote:I agree with you that Cluster Rybka did not play both games verry well (or strong as expected e.g. by me).Dr.Wael Deeb wrote:Houdini is not that brilliant as many think.....
It's just that Rybka is making horrible positional blunders and is getting squashed by Houdini.....
Something is wrong here,I don't know.....
Is it a bad special settings for the match![]()
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Is it a bad scaling and not getting the optimal communication with all the 64 processors that Rybka is using![]()
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Is it an experimental version of Rybka that is palying![]()
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Again,after watching the second game,I am pretty much convinced that Houdini is not that ingenius chess entity as much as there is definitely something wrong with cluster Rybka.......
Dr.D
Houdini did well in both games. Most peoples interpret too much in this games, thats a little pity. It is just an interesting event, and both engines should get the same respect.
Regards, Clemens keck
The reason is that jumping from 16 cores to 64, is nothing like 2 to 8, and the general loss in parallel efficiency drops badly. So two double ups in speed would normally yield ~80-100 Elo, but here less, and on equal platforms Houdini 3 is already at least 100 Elo stronger than Rybka 4.1. Add to that that this is not actually a 64-core machine, but is a 64-core cluster, and the efficiency is bound to be even worse.
Don't get me wrong, Houdini played very well, and they were fun games, however it would be quite interesting if the owner of the 16-core machine that played, could test Deep Rybka 4.1 to get some comparisons in depth as opposed to the 64-core cluster.