MPFR:

real	0m0.763s
user	0m0.665s
sys	0m0.098s

PRO Round 1:

real	0m0.395s
user	0m0.313s
sys	0m0.082s

Uninstrumented:

real	0m0.103s
user	0m0.033s
sys	0m0.070s

DD:

real	0m0.284s
user	0m0.223s
sys	0m0.061s

QD:

real	0m0.332s
user	0m0.252s
sys	0m0.080s