Author: Fabien Letouzey
Date: 05:34:42 03/26/04
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On March 26, 2004 at 08:14:41, Slater Wold wrote: >On March 26, 2004 at 04:26:03, Fabien Letouzey wrote: > >>On March 26, 2004 at 01:30:02, Slater Wold wrote: >> >>>32-bit: 907,446 N/sec (20s from starting position) >>> >>>64-bit: 816,815 N/sec (20s from starting position) >>> >>>/O2, /Ot, /Og, /Ob2 >>> >>> >>>If you're wondering, Fruit is not a bitboard program. :) >> >>Is this slow-down thing an isolated case? >> >>Fabien. > >Do you mean, is Fruit the only engine that slows down when compiled for 64-bit? > >Yes. I find it interesting; do you feel like investigating? One drawback of 64-bit ints and pointers is that they could take more space in memory, but I thought I carefully avoided that everywhere ... Fabien.
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