Author: Gerd Isenberg
Date: 10:15:39 01/18/04
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On January 18, 2004 at 06:42:22, Alessandro Damiani wrote: >>>As Gerd said, the two additional instructions can be put into the SlideIndexXX. >>>I am going to test the smaller tables. >> >>While I am not doing it exactly as he does, I found the 75% memory reduction >>helped performance. >> > >Mmmh. Currently by switching to the smaller tables worsened performance by about >25%. I could improve it a bit (register calculation instead of table look-up), >but it is still about that margin slower. Maybe it has to do with my old >machine, a Pentium II 450MHz (512kByte L2 cache)?? > >puzzled > >Alessandro Mmmhh... very, very strange. 25% worse performance for the whole program?
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