MPFR:

real	0m7.800s
user	0m7.357s
sys	0m0.443s

PRO Round 1:

real	0m3.885s
user	0m3.730s
sys	0m0.155s

Uninstrumented:

real	0m0.349s
user	0m0.284s
sys	0m0.065s

DD:

real	0m2.514s
user	0m2.450s
sys	0m0.064s

QD:

real	0m2.510s
user	0m2.323s
sys	0m0.187s