MPFR:

real	0m1.510s
user	0m1.377s
sys	0m0.133s

PRO Round 1:

real	0m0.753s
user	0m0.656s
sys	0m0.096s

Uninstrumented:

real	0m0.118s
user	0m0.046s
sys	0m0.071s

DD:

real	0m0.520s
user	0m0.453s
sys	0m0.067s

QD:

real	0m0.570s
user	0m0.471s
sys	0m0.099s