MPFR:

real	0m0.024s
user	0m0.004s
sys	0m0.020s

PRO Round 1:

real	0m0.024s
user	0m0.005s
sys	0m0.019s

Uninstrumented:

real	0m0.023s
user	0m0.006s
sys	0m0.017s

DD:

real	0m0.023s
user	0m0.007s
sys	0m0.017s

QD:

real	0m0.023s
user	0m0.003s
sys	0m0.020s