Author: Gerd Isenberg
Date: 02:28:49 04/30/05
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On April 30, 2005 at 03:50:30, Volker Böhm wrote: >Hi Uri, > >maybe I´ve done something wrong, but for spike there isn´t an improvement by >compiling for 64 bit. I think that only chess programs using bitboard will gain >much speed by 64 bit. > >Greetings Volker Hi Volker, i would expect an significant improvement even for none bitboard programs - simply due to the doubled register file and smarter cache and branch prediction heuristics. OTOH there are the drawbacks with 64-bit pointers (including this-pointer) and signed indices. Cheers, Gerd
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