MPFR:

real	0m0.276s
user	0m0.203s
sys	0m0.073s

PRO Round 1:

real	0m0.170s
user	0m0.106s
sys	0m0.064s

Uninstrumented:

real	0m0.090s
user	0m0.024s
sys	0m0.066s

DD:

real	0m0.139s
user	0m0.066s
sys	0m0.073s

QD:

real	0m0.139s
user	0m0.068s
sys	0m0.071s