unpack for:  1 wallclock secs ( 1.01 usr +  0.00 sys =  1.01 CPU)           @ 49504.95/s (n=50000)
unpack for push:  2 wallclock secs ( 1.84 usr +  0.00 sys =  1.84 CPU)      @ 27173.91/s (n=50000)
unpack while:  1 wallclock secs ( 0.84 usr +  0.00 sys =  0.84 CPU)         @ 59523.81/s (n=50000) <<<< This is fastest
unpack while push:  2 wallclock secs ( 1.75 usr +  0.00 sys =  1.75 CPU)    @ 28571.43/s (n=50000)
unpack while single:  1 wallclock secs ( 1.28 usr +  0.00 sys =  1.28 CPU)  @ 39062.50/s (n=50000)