MPFR:

real	0m27.243s
user	0m25.858s
sys	0m1.383s

PRO Round 1:

real	0m13.160s
user	0m12.729s
sys	0m0.430s

Uninstrumented:

real	0m0.556s
user	0m0.492s
sys	0m0.064s

DD:

real	0m7.747s
user	0m7.673s
sys	0m0.074s

QD:

real	0m8.019s
user	0m7.418s
sys	0m0.600s