#!/bin/sh
rm -f A2.bin B2.bin
mkfifo A2.bin B2.bin
t1=`date +%s.%N`
.square <A.bin >A2.bin &
.square <B.bin >B2.bin &
.add <A2.bin 3<B2.bin >C.bin &
wait
t2=`date +%s.%N`
calc $t2 - $t1