mycat   16: 1.418055s
mycat   32: 0.800134s
mycat   64: 0.579934s
mycat  128: 0.471232s
mycat 4096: 0.319173s
cat:        0.265395s

null+:      1.726614s
null-:      2.664791s

binv+:      2.054898s
binv-:      2.648157s

rc6+:       5.378443s
rc6-:       5.802790s

aesf+:      5.859205s
aesf-:      8.267858s

aes+:       12.551810s
aes-:       15.275162s