MPFR:

real	0m0.590s
user	0m0.543s
sys	0m0.047s

PRO Round 1:

real	0m0.325s
user	0m0.296s
sys	0m0.029s

Uninstrumented:

real	0m0.041s
user	0m0.023s
sys	0m0.018s

DD:

real	0m0.243s
user	0m0.225s
sys	0m0.018s

QD:

real	0m0.234s
user	0m0.214s
sys	0m0.019s