MPFR:

real	0m19.657s
user	0m18.656s
sys	0m0.999s

PRO Round 1:

real	0m9.664s
user	0m9.343s
sys	0m0.320s

Uninstrumented:

real	0m0.459s
user	0m0.395s
sys	0m0.064s

DD:

real	0m6.066s
user	0m5.996s
sys	0m0.069s

QD:

real	0m6.188s
user	0m5.767s
sys	0m0.420s