forked from Dependencies/lua-json
76 lines
1.9 KiB
Lua
76 lines
1.9 KiB
Lua
local bench = require "util.bench"
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local libs = {
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"../json.lua", -- https://github.com/rxi/json.lua
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"dkjson.lua", -- https://github.com/LuaDist/dkjson
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"jfjson.lua", -- http://regex.info/blog/lua/json
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--"json4lua.lua", -- https://github.com/craigmj/json4lua
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}
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-- JSON string: wikipedia example stored 1000 times in an array
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local text = "[" .. string.rep([[{
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"firstName": "John",
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"lastName": "Smith",
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"isAlive": true,
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"age": 25,
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"address": {
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"streetAddress": "21 2nd Street",
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"city": "New York",
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"state": "NY",
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"postalCode": "10021-3100"
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},
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"phoneNumbers": [
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{
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"type": "home",
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"number": "212 555-1234"
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},
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{
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"type": "office",
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"number": "646 555-4567"
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}
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],
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"children": [],
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"spouse": null
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}, ]], 1000):sub(1, -3) .. "]"
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-- As this is meant to be a pure Lua benchmark, we remove the ability to
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-- require 'lpeg' so dkjson doesn't use it for parsing. (Incidentally json.lua
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-- seems to outperform libraries which use lpeg when both are using LuaJIT)
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local _require = require
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require = function(modname)
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if modname == "lpeg" then error() end
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return _require(modname)
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end
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-- Run benchmarks, store results
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local results = {}
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for i, name in ipairs(libs) do
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local f = loadfile(name)
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if not f then
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error( "failed to load '" .. name .. "'; run './get_json_libs.sh'" )
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end
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local json = f()
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-- Remap functions to work for jfjson.lua
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if name == "jfjson.lua" then
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local _encode, _decode = json.encode, json.decode
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json.encode = function(...) return _encode(json, ...) end
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json.decode = function(...) return _decode(json, ...) end
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end
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-- Warmup (for LuaJIT)
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bench.run(name, 1, function() json.decode(text) end)
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-- Run and push results
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local res = bench.run(name, 10, function() json.decode(text) end)
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table.insert(results, res)
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end
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bench.print_system_info()
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bench.print_results(results)
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