diff options
Diffstat (limited to 'Data/BuiltIn/Libraries/LiteJson/bench')
5 files changed, 221 insertions, 0 deletions
diff --git a/Data/BuiltIn/Libraries/LiteJson/bench/bench_all.lua b/Data/BuiltIn/Libraries/LiteJson/bench/bench_all.lua new file mode 100644 index 0000000..3f99e99 --- /dev/null +++ b/Data/BuiltIn/Libraries/LiteJson/bench/bench_all.lua @@ -0,0 +1,6 @@ + +print("[decode]") +loadfile("bench_decode.lua")() +print() +print("[encode]") +loadfile("bench_encode.lua")() diff --git a/Data/BuiltIn/Libraries/LiteJson/bench/bench_decode.lua b/Data/BuiltIn/Libraries/LiteJson/bench/bench_decode.lua new file mode 100644 index 0000000..6c2e93a --- /dev/null +++ b/Data/BuiltIn/Libraries/LiteJson/bench/bench_decode.lua @@ -0,0 +1,75 @@ +local bench = require "util.bench" + + +local libs = { + "../json.lua", -- https://github.com/rxi/json.lua + "dkjson.lua", -- https://github.com/LuaDist/dkjson + "jfjson.lua", -- http://regex.info/blog/lua/json + --"json4lua.lua", -- https://github.com/craigmj/json4lua +} + + +-- JSON string: wikipedia example stored 1000 times in an array +local text = "[" .. string.rep([[{ + "firstName": "John", + "lastName": "Smith", + "isAlive": true, + "age": 25, + "address": { + "streetAddress": "21 2nd Street", + "city": "New York", + "state": "NY", + "postalCode": "10021-3100" + }, + "phoneNumbers": [ + { + "type": "home", + "number": "212 555-1234" + }, + { + "type": "office", + "number": "646 555-4567" + } + ], + "children": [], + "spouse": null +}, ]], 1000):sub(1, -3) .. "]" + + +-- As this is meant to be a pure Lua benchmark, we remove the ability to +-- require 'lpeg' so dkjson doesn't use it for parsing. (Incidentally json.lua +-- seems to outperform libraries which use lpeg when both are using LuaJIT) +local _require = require +require = function(modname) + if modname == "lpeg" then error() end + return _require(modname) +end + +-- Run benchmarks, store results +local results = {} + +for i, name in ipairs(libs) do + local f = loadfile(name) + if not f then + error( "failed to load '" .. name .. "'; run './get_json_libs.sh'" ) + end + local json = f() + + -- Remap functions to work for jfjson.lua + if name == "jfjson.lua" then + local _encode, _decode = json.encode, json.decode + json.encode = function(...) return _encode(json, ...) end + json.decode = function(...) return _decode(json, ...) end + end + + -- Warmup (for LuaJIT) + bench.run(name, 1, function() json.decode(text) end) + + -- Run and push results + local res = bench.run(name, 10, function() json.decode(text) end) + table.insert(results, res) +end + + +bench.print_system_info() +bench.print_results(results) diff --git a/Data/BuiltIn/Libraries/LiteJson/bench/bench_encode.lua b/Data/BuiltIn/Libraries/LiteJson/bench/bench_encode.lua new file mode 100644 index 0000000..426f7c8 --- /dev/null +++ b/Data/BuiltIn/Libraries/LiteJson/bench/bench_encode.lua @@ -0,0 +1,63 @@ +local bench = require "util.bench" + + +local libs = { + "../json.lua", -- https://github.com/rxi/json.lua + "dkjson.lua", -- https://github.com/LuaDist/dkjson + "jfjson.lua", -- http://regex.info/blog/lua/json + "json4lua.lua", -- https://github.com/craigmj/json4lua +} + + +-- Build table which will be encoded: wikipedia example stored 1000 times +local data = {} +for i = 1, 1000 do + table.insert(data, { + firstName = "John", + lastName = "Smith", + isAlive = true, + age = 25, + address = { + streetAddress = "21 2nd Street", + city = "New York", + state = "NY", + postalCode = "10021-3100" + }, + phoneNumbers = { + { type = "home", number = "212 555-1234" }, + { type = "office", number = "646 555-4567" } + }, + children = {}, + spouse = nil + }) +end + + +-- Run benchmarks +local results = {} + +for i, name in ipairs(libs) do + local f = loadfile(name) + if not f then + error( "failed to load '" .. name .. "'; run './get_json_libs.sh'" ) + end + local json = f() + + -- Handle special cases + if name == "jfjson.lua" then + local _encode, _decode = json.encode, json.decode + json.encode = function(...) return _encode(json, ...) end + json.decode = function(...) return _decode(json, ...) end + end + + -- Warmup (for LuaJIT) + bench.run(name, 1, function() json.encode(data) end) + + -- Run and push results + local res = bench.run(name, 10, function() json.encode(data) end) + table.insert(results, res) +end + + +bench.print_system_info() +bench.print_results(results) diff --git a/Data/BuiltIn/Libraries/LiteJson/bench/get_json_libs.sh b/Data/BuiltIn/Libraries/LiteJson/bench/get_json_libs.sh new file mode 100644 index 0000000..ecb4525 --- /dev/null +++ b/Data/BuiltIn/Libraries/LiteJson/bench/get_json_libs.sh @@ -0,0 +1,15 @@ +#!/bin/bash +# Downloads other JSON libraries for use in the benchmark scripts + +# Remove libraries +rm dkjson.lua 2>/dev/null +rm jfjson.lua 2>/dev/null +rm json4lua.lua 2>/dev/null + +# Get libraries +echo "Downloading json libs..." +curl -sS -o dkjson.lua "https://raw.githubusercontent.com/LuaDist/dkjson/master/dkjson.lua" +curl -sS -o json4lua.lua "https://raw.githubusercontent.com/craigmj/json4lua/master/json/json.lua" +curl -sS -o jfjson.lua "http://regex.info/code/JSON.lua" + +echo "Done" diff --git a/Data/BuiltIn/Libraries/LiteJson/bench/util/bench.lua b/Data/BuiltIn/Libraries/LiteJson/bench/util/bench.lua new file mode 100644 index 0000000..9f02738 --- /dev/null +++ b/Data/BuiltIn/Libraries/LiteJson/bench/util/bench.lua @@ -0,0 +1,62 @@ +local bench = {} + +local unpack = unpack or table.unpack +local fmt = string.format + + +function bench.run(name, count, func) + -- Run bench + local res = {} + for i = 1, count do + local start_time = os.clock() + func() + table.insert(res, (os.clock() - start_time)) + end + -- Calculate average + local avg = 0 + for i, v in ipairs(res) do + avg = avg + v + end + avg = avg / #res + -- Build and return result table + return { + name = name, + avg = avg, + min = math.min(unpack(res)), + max = math.max(unpack(res)), + all = res, + } +end + + +function bench.get_cpu_name() + local fp = io.open("/proc/cpuinfo", "rb") + if not fp then + return "unknown" + end + local text = fp:read("*a") + return text:match("model name%s*:%s*(.-)\n") +end + + +function bench.print_system_info() + print( fmt("Lua version : %s", jit and jit.version or _VERSION) ) + print( fmt("CPU name : %s", bench.get_cpu_name()) ) +end + + +function bench.print_results(results) + -- Find best average + local best = math.huge + for i, v in ipairs(results) do + best = math.min(best, v.avg) + end + -- Print results + for i, v in ipairs(results) do + print( fmt("%-13s : %.03gs [x%1.3g] (min: %.03gs, max %.03gs)", + v.name, v.avg, v.avg / best, v.min, v.max) ) + end +end + + +return bench |