Roflcopter.pl

for ( j=0; j<array_len; j+ =8 ) {
total += array[j+0];
total += array[j+1];
total += array[j+2]; /* Main body of
total += array[j+3]; * loop is unrolled
total += array[j+4]; * for greater speed.
total += array[j+5]; */
total += array[j+6];
total += array[j+7];
}