BY SIZE:

json-optimize + json + deflate              2,523,692 b,  1055 ms
json-optimize + json + gzip                 2,523,704 b,  1127 ms
json-optimize + msgpack + deflate           2,581,706 b,  1229 ms
json-optimize + msgpack + gzip              2,581,718 b,  1234 ms
json + deflate                              2,643,561 b,   595 ms
json + gzip                                 2,643,573 b,   584 ms
msgpack + deflate                           2,720,312 b,   784 ms
msgpack + gzip                              2,720,324 b,   782 ms
json-optimize + msgpack                     8,971,926 b,   840 ms
json-optimize + json                       10,614,374 b,   729 ms
msgpack                                    11,085,630 b,   351 ms
json                                       12,727,656 b,   171 ms

BY TIME:

json                                       12,727,656 b,   171 ms
msgpack                                    11,085,630 b,   351 ms
json + gzip                                 2,643,573 b,   584 ms
json + deflate                              2,643,561 b,   595 ms
json-optimize + json                       10,614,374 b,   729 ms
msgpack + gzip                              2,720,324 b,   782 ms
msgpack + deflate                           2,720,312 b,   784 ms
json-optimize + msgpack                     8,971,926 b,   840 ms
json-optimize + json + deflate              2,523,692 b,  1055 ms
json-optimize + json + gzip                 2,523,704 b,  1127 ms
json-optimize + msgpack + deflate           2,581,706 b,  1229 ms
json-optimize + msgpack + gzip              2,581,718 b,  1234 ms