Author: Andreas Guettinger
Date: 09:43:59 09/24/05
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On September 24, 2005 at 08:25:34, Tord Romstad wrote: >On September 24, 2005 at 08:09:42, Steve Maughan wrote: > >>FYI on my 2 Ghz Centrino notebook Glaurung Mainz finds Rxh6 in 17 secs. I'm >>somewhat suprised at the difference between the iMac and the Centrino. > >Hi Steve, > >The Centrino *is* much faster than the G5, but not quite *that* much >faster. This turns out to be yet another example of how the hash table size >can influence the result. I tested with 32 MB, and you with 128 MB. With only >32 MB, Glaurung needs one ply extra before it finds Rxh6. > >With 128 MB, Glaurung finds Rxh6 after 33 seconds on the 1.8 GHz G5. >The Celeron is about twice as fast, which is not too far from what I >expected. > >Tord To compare on an amd64 3400+ (2.4Ghz) glaurung has 19s with 128Mb Hash to find Rxh6, so the Centrino is faster. 10 +1.53 Qg2 Qb6 Qh3 Nc5 b4 Nxd3 Rxd3 Rc6 Nxc6 Qxc6 (4.48) 11 +1.62 Qg2 Qb6 Qh3 Nc5 b4 Nxd3 Rxd3 Rc6 Nxc6 Qxc6 Nd4 (6.90) 11 +2.64 Rxh6 gxh6 Qh2 Bg5 fxg5 Naxb2 Qxh6 Qe7 Bxb2 Nxb2 Kxb2 (19.43) 12 +2.40 Rxh6 gxh6 Qh2 Bg5 fxg5 Ncxb2 Qxh6 Qe7 Bxb2 Nxb2 Kxb2 Rf2 (28.46) regards Andy
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