solaris 2.5.1 - sparc 10 50mhz - gcc 2.7.2

options    des ecb/s
16  c i    124382.70 100.0%
 4  c i    118884.68  95.6%
16  c p    112261.20  90.3%
16 r2 i    111777.10  89.9%
16 r2 p    108896.30  87.5%
16 r1 p    108791.59  87.5%
 4  c p    107290.10  86.3%
 4 r1 p    104583.80  84.1%
16 r1 i    104206.20  83.8%
 4 r2 p    103709.80  83.4%
 4 r2 i     98306.43  79.0%
 4 r1 i     91525.80  73.6%
-DDES_UNROLL