Author: Odd Gunnar Malin
Date: 13:30:02 02/08/05
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On February 08, 2005 at 15:15:33, enrico carrisco wrote: >On February 07, 2005 at 12:46:06, George Sobala wrote: > >>AMD 1700+ Bench result 1.48 >>Centrino 1.6GHz Bench result 1.61 >> >>I agree with the point you made: my Intel Centrino is much faster for chess >>compared to my AMD, more so than the 1.61:1.48 ratio suggests. > >It shouldn't be "much faster" -- both the above tests match beautifully to their >actual clocks: > >AMD 1700+ runs at 1.47GHz >Centrino 1.GHz is of course 1.6GHz. > >For all intents and purposes, Centrinos and AMD XPs can be compared by their >actual clock speeds (for chess.) > >-elc. I tested a PIII 850MHz and a Centrino 2GHz and here it seems that the error are much bigger with a centrino. The pv line is from startposition with 16MB hash and clearing hash and learning before start. PIII 850MHz Bench: 0.84 Search: 12/30 1:51 +0.28 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 (17.560.570) 157 .... 15/36 34:41 +0.41 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 (252.473.124) 121 Centrino 2GHz Bench: 1.91 Search: 12/30 0:34 +0.28 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 (17.560.570) 507 .... 15/36 8:17 +0.41 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 (252.473.124) 507 Odd Gunnar
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