--- JSON-XS/README 2007/05/09 16:35:21 1.11 +++ JSON-XS/README 2007/06/06 18:17:13 1.12 @@ -543,10 +543,11 @@ in the JSON::XS distribution, to make it easy to compare on your own system. - First comes a comparison between various modules using a very short JSON - string: + First comes a comparison between various modules using a very short + single-line JSON string: - {"method": "handleMessage", "params": ["user1", "we were just talking"], "id": null} + {"method": "handleMessage", "params": ["user1", "we were just talking"], \ + "id": null, "array":[1,11,234,-5,1e5,1e7, true, false]} It shows the number of encodes/decodes per second (JSON::XS uses the functional interface, while JSON::XS/2 uses the OO interface with @@ -554,29 +555,34 @@ module | encode | decode | -----------|------------|------------| - JSON | 11488.516 | 7823.035 | - JSON::DWIW | 94708.054 | 129094.260 | - JSON::PC | 63884.157 | 128528.212 | - JSON::Syck | 34898.677 | 42096.911 | - JSON::XS | 654027.064 | 396423.669 | - JSON::XS/2 | 371564.190 | 371725.613 | + JSON | 7645.468 | 4208.613 | + JSON::DWIW | 68534.379 | 79437.576 | + JSON::PC | 65948.176 | 78251.940 | + JSON::Syck | 23379.621 | 28416.694 | + JSON::XS | 388361.481 | 199728.762 | + JSON::XS/2 | 218453.333 | 192399.266 | + JSON::XS/3 | 338250.323 | 192399.266 | + Storable | 15732.573 | 28571.553 | -----------+------------+------------+ - That is, JSON::XS is more than six times faster than JSON::DWIW on - encoding, more than three times faster on decoding, and about thirty - times faster than JSON, even with pretty-printing and key sorting. + That is, JSON::XS is about five times faster than JSON::DWIW on + encoding, about three times faster on decoding, and over fourty times + faster than JSON, even with pretty-printing and key sorting. It also + compares favourably to Storable for small amounts of data. Using a longer test string (roughly 18KB, generated from Yahoo! Locals search API (http://nanoref.com/yahooapis/mgPdGg): module | encode | decode | -----------|------------|------------| - JSON | 273.023 | 44.674 | - JSON::DWIW | 1089.383 | 1145.704 | - JSON::PC | 3097.419 | 2393.921 | - JSON::Syck | 514.060 | 843.053 | - JSON::XS | 6479.668 | 3636.364 | - JSON::XS/2 | 3774.221 | 3599.124 | + JSON | 254.685 | 37.665 | + JSON::DWIW | 1014.244 | 1087.678 | + JSON::PC | 3602.116 | 2307.352 | + JSON::Syck | 558.035 | 776.263 | + JSON::XS | 5747.196 | 3543.684 | + JSON::XS/2 | 3968.121 | 3589.170 | + JSON::XS/3 | 6105.246 | 3561.134 | + Storable | 4456.337 | 5320.020 | -----------+------------+------------+ Again, JSON::XS leads by far.