Benchmark: timing 100000 iterations of Binet, Golf...
Binet:  1 wallclock secs ( 0.70 usr +  0.00 sys =  0.70 CPU) @ 142653.35/s (n=100000)
 Golf:  5 wallclock secs ( 4.75 usr +  0.00 sys =  4.75 CPU) @ 21065.94/s (n=100000)