Erlang runtime system ( http://erlang.org/ ), >= R15B -- otherwise rebar won't work.

{deps, [
  {msgpack, ".*",
    {git, "git://github.com/msgpack/msgpack-erlang.git", "master"}}
]}.

Simple deserialization

Ham = msgpack:pack(Spam),
{ok, Spam} = msgpack:unpack(Ham).

Stream deserialization

{Term0, Rest0} = msgpack:unpack_stream(Binary),
{Term1, Rest1} = msgpack:unpack_stream(Rest0),
...

since 0.1.1 - only tested in MacOS, Linux

src/msgpack.erl:343:<0.131.0>:   serialize: 0.405 s
src/msgpack.erl:344:<0.131.0>: deserialize: 0.470 s
src/msgpack.erl:345:<0.131.0>: for 1884 KB test data(msgpack).
src/msgpack.erl:349:<0.131.0>:   serialize: 0.019 s
src/msgpack.erl:350:<0.131.0>: deserialize: 0.036 s
src/msgpack.erl:351:<0.131.0>: for 1884 KB test data(msgpack_nif).
src/msgpack.erl:355:<0.131.0>:   serialize: 0.043 s
src/msgpack.erl:356:<0.131.0>: deserialize: 0.027 s
src/msgpack.erl:357:<0.131.0>: for 3828 KB test data(t2b/b2t).

Apache License 2.0