1 Pentium 100 2 Linux 2 kernel 3 gcc 2.7.0 -O3 -fomit-frame-pointer 4 No X server running, just a console, it makes the top speed jump from 151,000 5 to 158,000 :-). 6 options des ecb/s 7 assember 281000.00 177.1% 8 16 r1 p 158667.40 100.0% 9 16 r1 i 148471.70 93.6% 10 16 r2 p 143961.80 90.7% 11 16 r2 i 141689.20 89.3% 12 4 r1 i 140100.00 88.3% 13 4 r2 i 134049.40 84.5% 14 16 c i 124145.20 78.2% 15 16 c p 121584.20 76.6% 16 4 c i 118116.00 74.4% 17 4 r2 p 117977.90 74.4% 18 4 c p 114971.40 72.5% 19 4 r1 p 114578.40 72.2% 20 -DDES_UNROLL -DDES_RISC1 -DDES_PTR 21
