time_fadd.c 
min time 10 seconds, min stability 5 percent, outer loop=100000
rep=32, t measured=0 
rep=64, t measured=-0.01 
rep=128, t measured=1.11022e-16 
rep=256, t measured=0.04 
rep=512, t measured=0.03 
rep=1024, t measured=0.01 
rep=2048, t measured=0.16 
rep=4096, t measured=0.11 
tmeas=0.11, t_prev=0, rep=4096 
rep=4096, t measured=0.04 
tmeas=0.04, t_prev=0.11, rep=4096 
rep=4096, t measured=0.15 
tmeas=0.15, t_prev=0.04, rep=4096 
rep=4096, t measured=0.26 
tmeas=0.26, t_prev=0.15, rep=4096 
rep=4096, t measured=0.35 
tmeas=0.35, t_prev=0.26, rep=4096 
rep=4096  unstable 
time measured=0.35, under minimum 
raw time=0.35, fadd time=7.44629e-10, rep=4096, stable=0.295082