MPFR:

real	0m0.406s
user	0m0.319s
sys	0m0.087s

PRO Round 1:

real	0m0.228s
user	0m0.156s
sys	0m0.072s

Uninstrumented:

real	0m0.094s
user	0m0.028s
sys	0m0.066s

DD:

real	0m0.182s
user	0m0.113s
sys	0m0.070s

QD:

real	0m0.209s
user	0m0.138s
sys	0m0.071s