Benchmark: timing 500000 iterations of Clone, Storable...
     Clone:  4 wallclock secs ( 3.27 usr +  0.00 sys =  3.27 CPU) @ 152905.20/s (n=500000)
  Storable: 30 wallclock secs (29.52 usr +  0.01 sys = 29.53 CPU) @ 16931.93/s (n=500000)