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Subject: Re: Test move Rxh6!

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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