Author: Tony Werten
Date: 23:36:05 07/19/04
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On July 18, 2004 at 15:33:33, Gerd Isenberg wrote: > >>I am guessing something like 50 cycles? Really not that bad . . . probably >>close to the speed of a scan over attack tables. >> >>anthony > >14.45ns on a 2.2GHz Athlon64, ~32 cycles now. > >Some minor changes, byte vector values (weights) 0..63, therefore only one >psadbw, no movd but two pextrw, final add with gp. Computed bit masks in two >xmm-registers (0x02:0x01). Some better instruction scheduling. Nice, I'll think about it when I start a rewrite for 64bit :( Tony > >Gerd
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