# cmpthese (30k iterations)

              Rate   shareable sharedhash 
shareable    396/s          --        -71%
sharedhash  1356/s        243%          --


# timethese (30k iterations)

Benchmark: timing 30000 iterations of shareable, shared_hash...
 shareable: 75 wallclock secs (41.40 usr + 32.59 sys = 73.99 CPU) @ 405.46/s (n=30000)
shared_hash: 22 wallclock secs (17.10 usr +  4.57 sys = 21.67 CPU) @ 1384.40/s (n=30000)