Benchmark: running Cached, Raw, each for at least 1 CPU seconds...
    Cached:  2 wallclock secs ( 0.90 usr +  0.15 sys =  1.05 CPU) @ 18.10/s (n=19)
       Raw:  2 wallclock secs ( 0.45 usr +  0.64 sys =  1.09 CPU) @  8.26/s (n=9)
         Rate    Raw Cached
Raw    8.26/s     --   -54%
Cached 18.1/s   119%     --

#that's too little iterations....

Benchmark: timing 1000 iterations of Cached, Raw...
    Cached: 105 wallclock secs (44.91 usr +  7.74 sys = 52.65 CPU) @ 18.99/s (n=1000)
       Raw: 258 wallclock secs (47.15 usr + 78.43 sys = 125.58 CPU) @  7.96/s (n=1000)
         Rate    Raw Cached
Raw    7.96/s     --   -58%
Cached 19.0/s   139%     --