gistfile1.coffee

mp = require 'msgpack3'

string = '{"_index":"posts-2012-29","_type":"post","_id":"438861426136421_439222532766977","_version":7,"exists":true, "_source" : {"id":"438861426136421_439222532766977","message":"z fejsu","picture":"http:\/\/photos-e.ak.fbcdn.net\/hphotos-ak-ash3\/524088_439222509433646_1975878462_s.jpg","link":"http:\/\/www.facebook.com\/photo.php?fbid=439222509433646&set=a.439222506100313.96281.438861426136421&type=1&relevant_count=1","icon":"http:\/\/static.ak.fbcdn.net\/rsrc.php\/v2\/yz\/r\/StEh3RhPvjk.gif","actions":[{"name":"Comment","link":"http:\/\/www.facebook.com\/438861426136421\/posts\/439222532766977"},{"name":"Like","link":"http:\/\/www.facebook.com\/438861426136421\/posts\/439222532766977"}],"privacy":{"description":"Public","value":"EVERYONE"},"type":"photo","object_id":"439222509433646","created_time":"2012-07-18T15:56:31+00:00","updated_time":"2012-07-18T16:02:18+00:00","comments":{"438861426136421_439222532766977_1139378":1342627338},"like_count":0,"comment_count":1,"first_admin_tms":1342627338,"first_admin_comment_id":"438861426136421_439222532766977_1139378","page_id":"438861426136421","user_id":"438861426136421","app_id":null,"app_name":null,"eb_getTime":373,"save_time":1342627364,"sbks_ea":{"is_admin_post":true,"is_question":false,"type":"photo"}}}'
obj = JSON.parse string 



r = []
for [1..100000]
	r.push obj

#console.log r.join ','

console.time('json.strigify');
a = JSON.stringify r
console.timeEnd('json.strigify');

console.log()

console.time('-pack-total');

console.time('pack');
packed = mp.pack(r)
console.timeEnd('pack');
console.time('pack.tosstring');
b = packed.toString()
console.timeEnd('pack.tosstring');
console.timeEnd('-pack-total');

console.log()

console.log  "Original: #{a.length}B  packed #{b.length}B  ratio #{b.length/a.length}%"



###


json.strigify: 13247ms

pack: 14551ms
pack.tosstring: 4095ms
-pack-total: 18648ms

Original: 124100001B  packed 108100005B  ratio 0.871071749628753%

###