mp / json / storable on perl v5.14.1 built for darwin-2level

gistfile1.txt

-- serialize
JSON::XS: 2.3
Data::MessagePack: 0.34
Storable: 2.30
Benchmark: running json, mp, storable for at least 1 CPU seconds...
      json:  1 wallclock secs ( 1.08 usr +  0.00 sys =  1.08 CPU) @ 12444.44/s (n=13440)
        mp:  2 wallclock secs ( 1.07 usr +  0.00 sys =  1.07 CPU) @ 11821.50/s (n=12649)
  storable:  1 wallclock secs ( 1.06 usr +  0.00 sys =  1.06 CPU) @ 14490.57/s (n=15360)
            Rate       mp     json storable
mp       11821/s       --      -5%     -18%
json     12444/s       5%       --     -14%
storable 14491/s      23%      16%       --

-- deserialize
JSON::XS: 2.3
Data::MessagePack: 0.34
Storable: 2.30
Benchmark: running json, mp, storable for at least 1 CPU seconds...
      json:  1 wallclock secs ( 1.06 usr +  0.01 sys =  1.07 CPU) @ 3864.49/s (n=4135)
        mp:  2 wallclock secs ( 1.07 usr +  0.00 sys =  1.07 CPU) @ 3349.53/s (n=3584)
  storable:  1 wallclock secs ( 1.12 usr +  0.00 sys =  1.12 CPU) @ 4363.39/s (n=4887)
           Rate       mp     json storable
mp       3350/s       --     -13%     -23%
json     3864/s      15%       --     -11%
storable 4363/s      30%      13%       --