Author: Mathieu Pagé
Date: 08:49:19 12/09/03
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On December 09, 2003 at 11:16:02, stuart taylor wrote: >Is 2.2 Ghz. of a 64-bit computer a similar speed for chess as is 4.4 is it were >a 32-bit one? >If not, what? >S.Taylor Hi! No, it is not. 64-bit computer are not twice as fast as 32-bit ones. The number of bit represent the natural lenght of an number on a cpu. Since chess engines use lot of 64 bits numbers they will run faster on 64 bits machines because on 32-bit machines they have to do some trick to do 64 bits maths that are natural on a 64 bit cpu. I dont think the improvement will be in the range of 2x speed up. Anyway it will vary from diffrents engines. Mathieu
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