Author: Anthony Cozzie
Date: 05:26:08 12/03/03
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On December 02, 2003 at 21:39:59, Federico Corigliano wrote: >Hi to all > >I'm rewriting some parts of my chess engine, and in one of my data structures I >can save space converting some fields from int to short int. >As that fields are used a lot in the chess engine, I want to know if there are >difference in speed between the two variables, because, I don't want to optimize >the engine making it slower :-D > >Federico On athlon, loading a 32 bit integer takes 3 cycles, while loading a 16/8 bit int takes 4. However, the 16/8 bit integers are easier to store in the cache. So it is a tossup :) The only advice I can give is try it and see. anthony
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