1Pentium 100
2Linux 2 kernel
3gcc 2.7.0 -O3 -fomit-frame-pointer
4No X server running, just a console, it makes the top speed jump from 151,000
5to 158,000 :-).
6options    des ecb/s
7assember   281000.00 177.1%
816 r1 p    158667.40 100.0%
916 r1 i    148471.70  93.6%
1016 r2 p    143961.80  90.7%
1116 r2 i    141689.20  89.3%
12 4 r1 i    140100.00  88.3%
13 4 r2 i    134049.40  84.5%
1416  c i    124145.20  78.2%
1516  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