Files
lodash/perf/perf.js
John-David Dalton 2c31411ffb Optimize _.pairs.
Former-commit-id: 1de87609a8635fb8d48bc558fbdabc545da53b4b
2012-08-31 15:45:27 -07:00

1474 lines
42 KiB
JavaScript

(function(window) {
/** Use a single load function */
var load = typeof require == 'function' ? require : window.load;
/** Load Benchmark.js */
var Benchmark =
window.Benchmark || (
Benchmark = load('../vendor/benchmark.js/benchmark.js') || window.Benchmark,
Benchmark.Benchmark || Benchmark
);
/** Load Lo-Dash */
var lodash =
window.lodash || (
lodash = load('../lodash.js') || window._,
lodash = lodash._ || lodash,
lodash.noConflict()
);
/** Load Underscore */
var _ =
window._ || (
_ = load('../vendor/underscore/underscore.js') || window._,
_._ || _
);
/** Used to access the Firebug Lite panel (set by `run`) */
var fbPanel;
/** Used to score Lo-Dash and Underscore performance */
var score = { 'lodash': 0, 'underscore': 0 };
/** Used to queue benchmark suites */
var suites = [];
/** Add `console.log()` support for Narwhal and RingoJS */
window.console || (window.console = { 'log': window.print });
/** Expose functions to the global object */
window._ = _;
window.Benchmark = Benchmark;
window.lodash = lodash;
/*--------------------------------------------------------------------------*/
/**
* Gets the Hz, i.e. operations per second, of `bench` adjusted for the
* margin of error.
*
* @private
* @param {Object} bench The benchmark object.
* @returns {Number} Returns the adjusted Hz.
*/
function getHz(bench) {
return 1 / (bench.stats.mean + bench.stats.moe);
}
/**
* Logs text to the console.
*
* @private
* @param {String} text The text to log.
*/
function log(text) {
console.log(text + '');
if (fbPanel) {
// scroll the Firebug Lite panel down
fbPanel.scrollTop = fbPanel.scrollHeight;
}
}
/**
* Runs all benchmark suites.
*
* @private (@public in the browser)
*/
function run() {
fbPanel = (fbPanel = window.document && document.getElementById('FirebugUI')) &&
(fbPanel = (fbPanel = fbPanel.contentWindow || fbPanel.contentDocument).document || fbPanel) &&
fbPanel.getElementById('fbPanel1');
log('\nSit back and relax, this may take a while.');
suites[0].run();
}
/*--------------------------------------------------------------------------*/
lodash.extend(Benchmark.Suite.options, {
'onStart': function() {
log('\n' + this.name + ':');
},
'onCycle': function(event) {
log(event.target);
},
'onComplete': function() {
var formatNumber = Benchmark.formatNumber,
fastest = this.filter('fastest'),
fastestHz = getHz(fastest[0]),
slowest = this.filter('slowest'),
slowestHz = getHz(slowest[0]),
lodashHz = getHz(this[0]),
underscoreHz = getHz(this[1]);
if (fastest.length > 1) {
log('It\'s too close to call.');
lodashHz = underscoreHz = slowestHz;
}
else {
var percent = ((fastestHz / slowestHz) - 1) * 100;
log(
fastest[0].name + ' is ' +
formatNumber(percent < 1 ? percent.toFixed(2) : Math.round(percent)) +
'% faster.'
);
}
// add score adjusted for margin of error
score.lodash += lodashHz;
score.underscore += underscoreHz;
// remove current suite from queue
suites.shift();
if (suites.length) {
// run next suite
suites[0].run();
}
else {
var fastestTotalHz = Math.max(score.lodash, score.underscore),
slowestTotalHz = Math.min(score.lodash, score.underscore),
totalPercent = formatNumber(Math.round(((fastestTotalHz / slowestTotalHz) - 1) * 100)),
totalX = fastestTotalHz / slowestTotalHz,
message = ' is ' + totalPercent + '% ' + (totalX == 1 ? '' : '(' + formatNumber(totalX.toFixed(2)) + 'x) ') + 'faster than ';
// report results
if (score.lodash >= score.underscore) {
log('\nLo-Dash' + message + 'Underscore.');
} else {
log('\nUnderscore' + message + 'Lo-Dash.');
}
}
}
});
/*--------------------------------------------------------------------------*/
lodash.extend(Benchmark.options, {
'async': true,
'setup': '\
var window = Function("return this || global")(),\
_ = window._,\
lodash = window.lodash,\
belt = this.name == "Lo-Dash" ? lodash : _;\
\
var index,\
date = new Date,\
limit = 20,\
regexp = /x/,\
object = {},\
objects = Array(limit),\
numbers = Array(limit),\
fourNumbers = [5, 25, 10, 30],\
nestedNumbers = [1, [2], [3, [[4]]]],\
twoNumbers = [12, 21];\
\
for (index = 0; index < limit; index++) {\
numbers[index] = index;\
object["key" + index] = index;\
objects[index] = { "num": index };\
}\
\
if (typeof bind != "undefined") {\
var contextObject = { "name": "moe" },\
ctor = function() {};\
\
var func = function(greeting, punctuation) {\
return greeting + ", " + this.name + (punctuation || ".");\
};\
\
var lodashBoundNormal = lodash.bind(func, contextObject),\
lodashBoundCtor = lodash.bind(ctor, contextObject),\
lodashBoundPartial = lodash.bind(func, contextObject, "hi");\
\
var _boundNormal = _.bind(func, contextObject),\
_boundCtor = _.bind(ctor, contextObject),\
_boundPartial = _.bind(func, contextObject, "hi");\
}\
\
if (typeof bindAll != "undefined") {\
var bindAllObjects = Array(this.count),\
funcNames = belt.functions(lodash);\
\
// potentially expensive\n\
for (index = 0; index < this.count; index++) {\
bindAllObjects[index] = belt.reduce(funcNames, function(object, funcName) {\
object[funcName] = lodash[funcName];\
return object;\
}, {});\
}\
}\
\
if (typeof countBy != "undefined" || typeof omit != "undefined") {\
var wordToNumber = {\
"one": 1,\
"two": 2,\
"three": 3,\
"four": 4,\
"five": 5,\
"six": 6,\
"seven": 7,\
"eight": 8,\
"nine": 9,\
"ten": 10,\
"eleven": 11,\
"twelve": 12,\
"thirteen": 13,\
"fourteen": 14,\
"fifteen": 15,\
"sixteen": 16,\
"seventeen": 17,\
"eighteen": 18,\
"nineteen": 19,\
"twenty": 20,\
"twenty-one": 21,\
"twenty-two": 22,\
"twenty-three": 23,\
"twenty-four": 24,\
"twenty-five": 25,\
"twenty-six": 26,\
"twenty-seven": 27,\
"twenty-eight": 28,\
"twenty-nine": 29,\
"thirty": 30,\
"thirty-one": 31,\
"thirty-two": 32,\
"thirty-three": 33,\
"thirty-four": 34,\
"thirty-five": 35,\
"thirty-six": 36,\
"thirty-seven": 37,\
"thirty-eight": 38,\
"thirty-nine": 39,\
"forty": 40\
};\
\
var words = belt.keys(wordToNumber).slice(0, limit);\
}\
\
if (typeof isEqual != "undefined") {\
var objectOfPrimitives = {\
"boolean": true,\
"number": 1,\
"string": "a"\
};\
\
var objectOfObjects = {\
"boolean": new Boolean(true),\
"number": new Number(1),\
"string": new String("a")\
};\
\
var object2 = {},\
objects2 = Array(limit),\
numbers2 = Array(limit),\
nestedNumbers2 = [1, [2], [3, [[4]]]];\
\
for (index = 0; index < limit; index++) {\
numbers2[index] = index;\
object2["key" + index] = index;\
objects2[index] = { "num": index };\
}\
}\
\
if (typeof multiArrays != "undefined") {\
var twentyFiveValues = Array(25),\
twentyFiveValues2 = Array(25),\
fiftyValues = Array(50),\
fiftyValues2 = Array(50),\
seventyFiveValues = Array(75),\
seventyFiveValues2 = Array(75),\
lowerChars = "abcdefghijklmnopqrstuvwxyz".split(""),\
upperChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ".split("");\
\
for (index = 0; index < 75; index++) {\
if (index < 26) {\
if (index < 20) {\
twentyFiveValues[index] = lowerChars[index];\
twentyFiveValues2[index] = upperChars[index];\
}\
else if (index < 25) {\
twentyFiveValues[index] =\
twentyFiveValues2[index] = index;\
}\
fiftyValues[index] =\
seventyFiveValues[index] = lowerChars[index];\
\
fiftyValues2[index] =\
seventyFiveValues2[index] = upperChars[index];\
}\
else {\
if (index < 50) {\
fiftyValues[index] = index;\
fiftyValues2[index] = index + (index < 40 ? 75 : 0);\
}\
seventyFiveValues[index] = index;\
seventyFiveValues2[index] = index + (index < 60 ? 75 : 0);\
}\
}\
}\
\
if (typeof template != "undefined") {\
var tplData = {\
"header1": "Header1",\
"header2": "Header2",\
"header3": "Header3",\
"header4": "Header4",\
"header5": "Header5",\
"header6": "Header6",\
"list": ["1", "2", "3", "4", "5", "6", "7", "8", "9", "10"]\
};\
\
var tplBase =\
"<div>" +\
"<h1 class=\'header1\'><%= header1 %></h1>" +\
"<h2 class=\'header2\'><%= header2 %></h2>" +\
"<h3 class=\'header3\'><%= header3 %></h3>" +\
"<h4 class=\'header4\'><%= header4 %></h4>" +\
"<h5 class=\'header5\'><%= header5 %></h5>" +\
"<h6 class=\'header6\'><%= header6 %></h6>";\
\
var tpl =\
tplBase +\
"<ul class=\'list\'>" +\
"<li class=\'item\'><%= list[0] %></li>" +\
"<li class=\'item\'><%= list[1] %></li>" +\
"<li class=\'item\'><%= list[2] %></li>" +\
"<li class=\'item\'><%= list[3] %></li>" +\
"<li class=\'item\'><%= list[4] %></li>" +\
"<li class=\'item\'><%= list[5] %></li>" +\
"<li class=\'item\'><%= list[6] %></li>" +\
"<li class=\'item\'><%= list[7] %></li>" +\
"<li class=\'item\'><%= list[8] %></li>" +\
"<li class=\'item\'><%= list[9] %></li>" +\
"</ul>" +\
"</div>";\
\
var tplWithEvaluate =\
tplBase +\
"<ul class=\'list\'>" +\
"<% for (var index = 0, length = list.length; index < length; index++) { %>" +\
"<li class=\'item\'><%= list[index] %></li>" +\
"<% } %>" +\
"</ul>" +\
"</div>";\
\
var tplBaseVerbose =\
"<div>" +\
"<h1 class=\'header1\'><%= data.header1 %></h1>" +\
"<h2 class=\'header2\'><%= data.header2 %></h2>" +\
"<h3 class=\'header3\'><%= data.header3 %></h3>" +\
"<h4 class=\'header4\'><%= data.header4 %></h4>" +\
"<h5 class=\'header5\'><%= data.header5 %></h5>" +\
"<h6 class=\'header6\'><%= data.header6 %></h6>";\
\
var tplVerbose =\
tplBaseVerbose +\
"<ul class=\'list\'>" +\
"<li class=\'item\'><%= data.list[0] %></li>" +\
"<li class=\'item\'><%= data.list[1] %></li>" +\
"<li class=\'item\'><%= data.list[2] %></li>" +\
"<li class=\'item\'><%= data.list[3] %></li>" +\
"<li class=\'item\'><%= data.list[4] %></li>" +\
"<li class=\'item\'><%= data.list[5] %></li>" +\
"<li class=\'item\'><%= data.list[6] %></li>" +\
"<li class=\'item\'><%= data.list[7] %></li>" +\
"<li class=\'item\'><%= data.list[8] %></li>" +\
"<li class=\'item\'><%= data.list[9] %></li>" +\
"</ul>" +\
"</div>";\
\
var tplVerboseWithEvaluate =\
tplBaseVerbose +\
"<ul class=\'list\'>" +\
"<% for (var index = 0, length = data.list.length; index < length; index++) { %>" +\
"<li class=\'item\'><%= data.list[index] %></li>" +\
"<% } %>" +\
"</ul>" +\
"</div>";\
\
var settingsObject = { "variable": "data" };\
\
var lodashTpl = lodash.template(tpl),\
lodashTplWithEvaluate = lodash.template(tplWithEvaluate),\
lodashTplVerbose = lodash.template(tplVerbose, null, settingsObject),\
lodashTplVerboseWithEvaluate = lodash.template(tplVerboseWithEvaluate, null, settingsObject);\
\
var _tpl = _.template(tpl),\
_tplWithEvaluate = _.template(tplWithEvaluate),\
_tplVerbose = _.template(tplVerbose, null, settingsObject),\
_tplVerboseWithEvaluate = _.template(tplVerboseWithEvaluate, null, settingsObject);\
}'
});
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.bind` (uses native `Function#bind` if available and inferred fast)')
.add('Lo-Dash', {
'fn': 'lodash.bind(func, { "name": "moe" }, "hi")',
'teardown': 'function bind(){}'
})
.add('Underscore', {
'fn': '_.bind(func, { "name": "moe" }, "hi")',
'teardown': 'function bind(){}'
})
);
suites.push(
Benchmark.Suite('bound call')
.add('Lo-Dash', {
'fn': 'lodashBoundNormal()',
'teardown': 'function bind(){}'
})
.add('Underscore', {
'fn': '_boundNormal()',
'teardown': 'function bind(){}'
})
);
suites.push(
Benchmark.Suite('bound call with arguments')
.add('Lo-Dash', {
'fn': 'lodashBoundNormal("hi", "!")',
'teardown': 'function bind(){}'
})
.add('Underscore', {
'fn': '_boundNormal("hi", "!")',
'teardown': 'function bind(){}'
})
);
suites.push(
Benchmark.Suite('bound and partially applied call (uses native `Function#bind` if available)')
.add('Lo-Dash', {
'fn': 'lodashBoundPartial()',
'teardown': 'function bind(){}'
})
.add('Underscore', {
'fn': '_boundPartial()',
'teardown': 'function bind(){}'
})
);
suites.push(
Benchmark.Suite('bound and partially applied call with arguments (uses native `Function#bind` if available)')
.add('Lo-Dash', {
'fn': 'lodashBoundPartial("!")',
'teardown': 'function bind(){}'
})
.add('Underscore', {
'fn': '_boundPartial("!")',
'teardown': 'function bind(){}'
})
);
suites.push(
Benchmark.Suite('bound and called in a `new` expression, i.e. `new bound` (edge case)')
.add('Lo-Dash', {
'fn': 'new lodashBoundCtor()',
'teardown': 'function bind(){}'
})
.add('Underscore', {
'fn': 'new _boundCtor()',
'teardown': 'function bind(){}'
})
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.bindAll` iterating arguments')
.add('Lo-Dash', {
'fn': 'lodash.bindAll.apply(lodash, [bindAllObjects.pop()].concat(funcNames))',
'teardown': 'function bindAll(){}'
})
.add('Underscore', {
'fn': '_.bindAll.apply(_, [bindAllObjects.pop()].concat(funcNames))',
'teardown': 'function bindAll(){}'
})
);
suites.push(
Benchmark.Suite('`_.bindAll` iterating the `object`')
.add('Lo-Dash', {
'fn': 'lodash.bindAll(bindAllObjects.pop())',
'teardown': 'function bindAll(){}'
})
.add('Underscore', {
'fn': '_.bindAll(bindAllObjects.pop())',
'teardown': 'function bindAll(){}'
})
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.clone` with an object')
.add('Lo-Dash', '\
lodash.clone(object)'
)
.add('Underscore', '\
_.clone(object)'
)
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.countBy` with `callback` iterating an array')
.add('Lo-Dash', '\
lodash.countBy(numbers, function(num) { return num >> 1; })'
)
.add('Underscore', '\
_.countBy(numbers, function(num) { return num >> 1; })'
)
);
suites.push(
Benchmark.Suite('`_.countBy` with `property` name iterating an array')
.add('Lo-Dash', {
'fn': 'lodash.countBy(words, "length")',
'teardown': 'function countBy(){}'
})
.add('Underscore', {
'fn': '_.countBy(words, "length")',
'teardown': 'function countBy(){}'
})
);
suites.push(
Benchmark.Suite('`_.countBy` with `callback` iterating an object')
.add('Lo-Dash', {
'fn': 'lodash.countBy(wordToNumber, function(num) { return num >> 1; })',
'teardown': 'function countBy(){}'
})
.add('Underscore', {
'fn': '_.countBy(wordToNumber, function(num) { return num >> 1; })',
'teardown': 'function countBy(){}'
})
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.difference`')
.add('Lo-Dash', '\
lodash.difference(numbers, fourNumbers, twoNumbers)'
)
.add('Underscore', '\
_.difference(numbers, fourNumbers, twoNumbers)'
)
);
suites.push(
Benchmark.Suite('`_.difference` iterating 25 elements')
.add('Lo-Dash', {
'fn': 'lodash.difference(twentyFiveValues, twentyFiveValues2)',
'teardown': 'function multiArrays(){}'
})
.add('Underscore', {
'fn': '_.difference(twentyFiveValues, twentyFiveValues2)',
'teardown': 'function multiArrays(){}'
})
);
suites.push(
Benchmark.Suite('`_.difference` iterating 50 elements')
.add('Lo-Dash', {
'fn': 'lodash.difference(fiftyValues, fiftyValues2)',
'teardown': 'function multiArrays(){}'
})
.add('Underscore', {
'fn': '_.difference(fiftyValues, fiftyValues2)',
'teardown': 'function multiArrays(){}'
})
);
suites.push(
Benchmark.Suite('`_.difference` iterating 75 elements')
.add('Lo-Dash', {
'fn': 'lodash.difference(seventyFiveValues, seventyFiveValues2)',
'teardown': 'function multiArrays(){}'
})
.add('Underscore', {
'fn': '_.difference(seventyFiveValues, seventyFiveValues2)',
'teardown': 'function multiArrays(){}'
})
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.each` iterating an array')
.add('Lo-Dash', '\
var result = [];\
lodash.each(numbers, function(num) {\
result.push(num * 2);\
})'
)
.add('Underscore', '\
var result = [];\
_.each(numbers, function(num) {\
result.push(num * 2);\
})'
)
);
suites.push(
Benchmark.Suite('`_.each` iterating an array with `thisArg` (slow path)')
.add('Lo-Dash', '\
var result = [];\
lodash.each(numbers, function(num, index) {\
result.push(num + this["key" + index]);\
}, object)'
)
.add('Underscore', '\
var result = [];\
_.each(numbers, function(num, index) {\
result.push(num + this["key" + index]);\
}, object)'
)
);
suites.push(
Benchmark.Suite('`_.each` iterating an object')
.add('Lo-Dash', '\
var result = [];\
lodash.each(object, function(num) {\
result.push(num * 2);\
})'
)
.add('Underscore', '\
var result = [];\
_.each(object, function(num) {\
result.push(num * 2);\
})'
)
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.filter` iterating an array')
.add('Lo-Dash', '\
lodash.filter(numbers, function(num) {\
return num % 2;\
})'
)
.add('Underscore', '\
_.filter(numbers, function(num) {\
return num % 2;\
})'
)
);
suites.push(
Benchmark.Suite('`_.filter` iterating an array with `thisArg` (slow path)')
.add('Lo-Dash', '\
lodash.filter(numbers, function(num, index) {\
return this["key" + index] % 2;\
}, object)'
)
.add('Underscore', '\
_.filter(numbers, function(num, index) {\
return this["key" + index] % 2;\
}, object)'
)
);
suites.push(
Benchmark.Suite('`_.filter` iterating an object')
.add('Lo-Dash', '\
lodash.filter(object, function(num) {\
return num % 2\
})'
)
.add('Underscore', '\
_.filter(object, function(num) {\
return num % 2\
})'
)
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.find` iterating an array')
.add('Lo-Dash', '\
lodash.find(numbers, function(num) {\
return num === 19;\
})'
)
.add('Underscore', '\
_.find(numbers, function(num) {\
return num === 19;\
})'
)
);
suites.push(
Benchmark.Suite('`_.find` iterating an object')
.add('Lo-Dash', '\
lodash.find(object, function(value, key) {\
return /\D9$/.test(key);\
})'
)
.add('Underscore', '\
_.find(object, function(value, key) {\
return /\D9$/.test(key);\
})'
)
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.flatten`')
.add('Lo-Dash', '\
lodash.flatten(nestedNumbers)'
)
.add('Underscore', '\
_.flatten(nestedNumbers)'
)
);
suites.push(
Benchmark.Suite('`_.flatten` with `shallow`')
.add('Lo-Dash', '\
lodash.flatten(nestedNumbers, true)'
)
.add('Underscore', '\
_.flatten(nestedNumbers, true)'
)
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.functions`')
.add('Lo-Dash', '\
lodash.functions(lodash)'
)
.add('Underscore', '\
_.functions(lodash)'
)
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.groupBy` with `callback` iterating an array')
.add('Lo-Dash', '\
lodash.groupBy(numbers, function(num) { return num >> 1; })'
)
.add('Underscore', '\
_.groupBy(numbers, function(num) { return num >> 1; })'
)
);
suites.push(
Benchmark.Suite('`_.groupBy` with `property` name iterating an array')
.add('Lo-Dash', {
'fn': 'lodash.groupBy(words, "length")',
'teardown': 'function countBy(){}'
})
.add('Underscore', {
'fn': '_.groupBy(words, "length")',
'teardown': 'function countBy(){}'
})
);
suites.push(
Benchmark.Suite('`_.groupBy` with `callback` iterating an object')
.add('Lo-Dash', {
'fn': 'lodash.groupBy(wordToNumber, function(num) { return num >> 1; })',
'teardown': 'function countBy(){}'
})
.add('Underscore', {
'fn': '_.groupBy(wordToNumber, function(num) { return num >> 1; })',
'teardown': 'function countBy(){}'
})
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.indexOf`')
.add('Lo-Dash', '\
lodash.indexOf(numbers, 9)'
)
.add('Underscore', '\
_.indexOf(numbers, 9)'
)
);
suites.push(
Benchmark.Suite('`_.indexOf` with `isSorted`')
.add('Lo-Dash', '\
lodash.indexOf(numbers, 19, true)'
)
.add('Underscore', '\
_.indexOf(numbers, 19, true)'
)
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.intersection`')
.add('Lo-Dash', '\
lodash.intersection(numbers, fourNumbers, twoNumbers)'
)
.add('Underscore', '\
_.intersection(numbers, fourNumbers, twoNumbers)'
)
);
suites.push(
Benchmark.Suite('`_.intersection` iterating 25 elements')
.add('Lo-Dash', {
'fn': 'lodash.intersection(twentyFiveValues, twentyFiveValues2)',
'teardown': 'function multiArrays(){}'
})
.add('Underscore', {
'fn': '_.intersection(twentyFiveValues, twentyFiveValues2)',
'teardown': 'function multiArrays(){}'
})
);
suites.push(
Benchmark.Suite('`_.intersection` iterating 50 elements')
.add('Lo-Dash', {
'fn': 'lodash.intersection(fiftyValues, fiftyValues2)',
'teardown': 'function multiArrays(){}'
})
.add('Underscore', {
'fn': '_.intersection(fiftyValues, fiftyValues2)',
'teardown': 'function multiArrays(){}'
})
);
suites.push(
Benchmark.Suite('`_.intersection` iterating 75 elements')
.add('Lo-Dash', {
'fn': 'lodash.intersection(seventyFiveValues, seventyFiveValues2)',
'teardown': 'function multiArrays(){}'
})
.add('Underscore', {
'fn': '_.intersection(seventyFiveValues, seventyFiveValues2)',
'teardown': 'function multiArrays(){}'
})
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.invert`')
.add('Lo-Dash', '\
lodash.invert(object)'
)
.add('Underscore', '\
_.invert(object)'
)
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.invoke` iterating an array')
.add('Lo-Dash', '\
lodash.invoke(numbers, "toFixed", "2")'
)
.add('Underscore', '\
_.invoke(numbers, "toFixed", "2")'
)
);
suites.push(
Benchmark.Suite('`_.invoke` with a function for `methodName` iterating an array')
.add('Lo-Dash', '\
lodash.invoke(numbers, String.prototype.split, "")'
)
.add('Underscore', '\
_.invoke(numbers, String.prototype.split, "")'
)
);
suites.push(
Benchmark.Suite('`_.invoke` iterating an object')
.add('Lo-Dash', '\
lodash.invoke(object, "toFixed", "2")'
)
.add('Underscore', '\
_.invoke(object, "toFixed", "2")'
)
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.isEqual` comparing primitives and objects (edge case)')
.add('Lo-Dash', {
'fn': 'lodash.isEqual(objectOfPrimitives, objectOfObjects)',
'teardown': 'function isEqual(){}'
})
.add('Underscore', {
'fn': '_.isEqual(objectOfPrimitives, objectOfObjects)',
'teardown': 'function isEqual(){}'
})
);
suites.push(
Benchmark.Suite('`_.isEqual` comparing arrays')
.add('Lo-Dash', {
'fn': 'lodash.isEqual(numbers, numbers2)',
'teardown': 'function isEqual(){}'
})
.add('Underscore', {
'fn': '_.isEqual(numbers, numbers2)',
'teardown': 'function isEqual(){}'
})
);
suites.push(
Benchmark.Suite('`_.isEqual` comparing nested arrays')
.add('Lo-Dash', {
'fn': 'lodash.isEqual(nestedNumbers, nestedNumbers2)',
'teardown': 'function isEqual(){}'
})
.add('Underscore', {
'fn': '_.isEqual(nestedNumbers, nestedNumbers2)',
'teardown': 'function isEqual(){}'
})
);
suites.push(
Benchmark.Suite('`_.isEqual` comparing arrays of objects')
.add('Lo-Dash', {
'fn': 'lodash.isEqual(objects, objects2)',
'teardown': 'function isEqual(){}'
})
.add('Underscore', {
'fn': '_.isEqual(objects, objects2)',
'teardown': 'function isEqual(){}'
})
);
suites.push(
Benchmark.Suite('`_.isEqual` comparing objects')
.add('Lo-Dash', {
'fn': 'lodash.isEqual(object, object2)',
'teardown': 'function isEqual(){}'
})
.add('Underscore', {
'fn': '_.isEqual(object, object2)',
'teardown': 'function isEqual(){}'
})
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.isArguments`, `_.isDate`, `_.isFunction`, `_.isNumber`, `_.isRegExp`')
.add('Lo-Dash', '\
lodash.isArguments(arguments);\
lodash.isArguments(object);\
lodash.isDate(date);\
lodash.isDate(object);\
lodash.isFunction(lodash);\
lodash.isFunction(object);\
lodash.isNumber(1);\
lodash.isNumber(object);\
lodash.isRegExp(regexp);\
lodash.isRegExp(object);'
)
.add('Underscore', '\
_.isArguments(arguments);\
_.isArguments(object);\
_.isDate(date);\
_.isDate(object);\
_.isFunction(_);\
_.isFunction(object);\
_.isNumber(1);\
_.isNumber(object);\
_.isRegExp(regexp);\
_.isRegExp(object);'
)
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.keys` (uses native `Object.keys` if available)')
.add('Lo-Dash', '\
lodash.keys(object)'
)
.add('Underscore', '\
_.keys(object)'
)
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.lastIndexOf`')
.add('Lo-Dash', '\
lodash.lastIndexOf(numbers, 9)'
)
.add('Underscore', '\
_.lastIndexOf(numbers, 9)'
)
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.map` iterating an array')
.add('Lo-Dash', '\
lodash.map(objects, function(value) {\
return value.num;\
})'
)
.add('Underscore', '\
_.map(objects, function(value) {\
return value.num;\
})'
)
);
suites.push(
Benchmark.Suite('`_.map` with `thisArg` iterating an array (slow path)')
.add('Lo-Dash', '\
lodash.map(objects, function(value, index) {\
return this["key" + index] + value.num;\
}, object)'
)
.add('Underscore', '\
_.map(objects, function(value, index) {\
return this["key" + index] + value.num;\
}, object)'
)
);
suites.push(
Benchmark.Suite('`_.map` iterating an object')
.add('Lo-Dash', '\
lodash.map(object, function(value) {\
return value;\
})'
)
.add('Underscore', '\
_.map(object, function(value) {\
return value;\
})'
)
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.max`')
.add('Lo-Dash', '\
lodash.max(numbers)'
)
.add('Underscore', '\
_.max(numbers)'
)
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.min`')
.add('Lo-Dash', '\
lodash.min(numbers)'
)
.add('Underscore', '\
_.min(numbers)'
)
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.omit` iterating 20 properties, omitting 2 keys')
.add('Lo-Dash', '\
lodash.omit(object, "key6", "key13")'
)
.add('Underscore', '\
_.omit(object, "key6", "key13")'
)
);
suites.push(
Benchmark.Suite('`_.omit` iterating 40 properties, omitting 20 keys')
.add('Lo-Dash', {
'fn': 'lodash.omit(wordToNumber, words)',
'teardown': 'function omit(){}'
})
.add('Underscore', {
'fn': 'result = _.omit(wordToNumber, words)',
'teardown': 'function omit(){}'
})
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.pairs`')
.add('Lo-Dash', '\
lodash.pairs(object)'
)
.add('Underscore', '\
_.pairs(object)'
)
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.pick`')
.add('Lo-Dash', '\
lodash.pick(object, "key6", "key13")'
)
.add('Underscore', '\
_.pick(object, "key6", "key13")'
)
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.pluck`')
.add('Lo-Dash', '\
lodash.pluck(objects, "num")'
)
.add('Underscore', '\
_.pluck(objects, "num")'
)
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.shuffle`')
.add('Lo-Dash', '\
lodash.shuffle(numbers)'
)
.add('Underscore', '\
_.shuffle(numbers)'
)
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.size` with an object')
.add('Lo-Dash', '\
lodash.size(object)'
)
.add('Underscore', '\
_.size(object)'
)
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.sortBy` with `callback`')
.add('Lo-Dash', '\
lodash.sortBy(numbers, function(num) { return Math.sin(num); })'
)
.add('Underscore', '\
_.sortBy(numbers, function(num) { return Math.sin(num); })'
)
);
suites.push(
Benchmark.Suite('`_.sortBy` with `callback` and `thisArg` (slow path)')
.add('Lo-Dash', '\
lodash.sortBy(numbers, function(num) { return this.sin(num); }, Math)'
)
.add('Underscore', '\
_.sortBy(numbers, function(num) { return this.sin(num); }, Math)'
)
);
suites.push(
Benchmark.Suite('`_.sortBy` with `property` name')
.add('Lo-Dash', {
'fn': 'lodash.sortBy(words, "length")',
'teardown': 'function countBy(){}'
})
.add('Underscore', {
'fn': '_.sortBy(words, "length")',
'teardown': 'function countBy(){}'
})
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.sortedIndex`')
.add('Lo-Dash', '\
lodash.sortedIndex(numbers, 25)'
)
.add('Underscore', '\
_.sortedIndex(numbers, 25)'
)
);
suites.push(
Benchmark.Suite('`_.sortedIndex` with `callback`')
.add('Lo-Dash', {
'fn': '\
lodash.sortedIndex(words, "twenty-five", function(value) {\
return wordToNumber[value];\
})',
'teardown': 'function countBy(){}'
})
.add('Underscore', {
'fn': '\
_.sortedIndex(words, "twenty-five", function(value) {\
return wordToNumber[value];\
})',
'teardown': 'function countBy(){}'
})
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.template` without "evaluate" delimiters (slow path)')
.add('Lo-Dash', {
'fn': 'lodash.template(tpl, tplData)',
'teardown': 'function template(){}'
})
.add('Underscore', {
'fn': '_.template(tpl, tplData)',
'teardown': 'function template(){}'
})
);
suites.push(
Benchmark.Suite('`_.template` with "evaluate" delimiters (slow path)')
.add('Lo-Dash', {
'fn': 'lodash.template(tplWithEvaluate, tplData)',
'teardown': 'function template(){}'
})
.add('Underscore', {
'fn': '_.template(tplWithEvaluate, tplData)',
'teardown': 'function template(){}'
})
);
suites.push(
Benchmark.Suite('compiled template without "evaluate" delimiters')
.add('Lo-Dash', {
'fn': 'lodashTpl(tplData)',
'teardown': 'function template(){}'
})
.add('Underscore', {
'fn': '_tpl(tplData)',
'teardown': 'function template(){}'
})
);
suites.push(
Benchmark.Suite('compiled template with "evaluate" delimiters')
.add('Lo-Dash', {
'fn': 'lodashTplWithEvaluate(tplData)',
'teardown': 'function template(){}'
})
.add('Underscore', {
'fn': '_tplWithEvaluate(tplData)',
'teardown': 'function template(){}'
})
);
suites.push(
Benchmark.Suite('compiled template without a with-statement or "evaluate" delimiters')
.add('Lo-Dash', {
'fn': 'lodashTplVerbose(tplData)',
'teardown': 'function template(){}'
})
.add('Underscore', {
'fn': '_tplVerbose(tplData)',
'teardown': 'function template(){}'
})
);
suites.push(
Benchmark.Suite('compiled template without a with-statement using "evaluate" delimiters')
.add('Lo-Dash', {
'fn': 'lodashTplVerboseWithEvaluate(tplData)',
'teardown': 'function template(){}'
})
.add('Underscore', {
'fn': '_tplVerboseWithEvaluate(tplData)',
'teardown': 'function template(){}'
})
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.times`')
.add('Lo-Dash', '\
var result = [];\
lodash.times(length, function(n) { result.push(n); })'
)
.add('Underscore', '\
var result = [];\
_.times(length, function(n) { result.push(n); })'
)
);
suites.push(
Benchmark.Suite('`_.times` with `thisArg`')
.add('Lo-Dash', '\
var result = [];\
lodash.times(length, function(n) { result.push(this.sin(n)); }, Math)'
)
.add('Underscore', '\
var result = [];\
_.times(length, function(n) { result.push(this.sin(n)); }, Math)'
)
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.toArray` with an array')
.add('Lo-Dash', '\
lodash.toArray(numbers)'
)
.add('Underscore', '\
_.toArray(numbers)'
)
);
suites.push(
Benchmark.Suite('`_.toArray` with an object')
.add('Lo-Dash', '\
lodash.toArray(object)'
)
.add('Underscore', '\
_.toArray(object)'
)
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.union`')
.add('Lo-Dash', '\
lodash.union(numbers, fourNumbers, twoNumbers)'
)
.add('Underscore', '\
_.union(numbers, fourNumbers, twoNumbers)'
)
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.uniq`')
.add('Lo-Dash', '\
lodash.uniq(numbers.concat(fourNumbers, twoNumbers))'
)
.add('Underscore', '\
_.uniq(numbers.concat(fourNumbers, twoNumbers))'
)
);
suites.push(
Benchmark.Suite('`_.uniq` with `callback`')
.add('Lo-Dash', '\
lodash.uniq(numbers.concat(fourNumbers, twoNumbers), function(num) {\
return num % 2;\
});'
)
.add('Underscore', '\
_.uniq(numbers.concat(fourNumbers, twoNumbers), function(num) {\
return num % 2;\
})'
)
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.values`')
.add('Lo-Dash', '\
lodash.values(object)'
)
.add('Underscore', '\
_.values(object)'
)
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.without`')
.add('Lo-Dash', '\
lodash.without(numbers, 9, 12, 14, 15)'
)
.add('Underscore', '\
_.without(numbers, 9, 12, 14, 15)'
)
);
suites.push(
Benchmark.Suite('`_.without` iterating an array of 25 elements')
.add('Lo-Dash', {
'fn': 'lodash.without.apply(lodash, [twentyFiveValues].concat(twentyFiveValues2));',
'teardown': 'function multiArrays(){}'
})
.add('Underscore', {
'fn': '_.without.apply(_, [twentyFiveValues].concat(twentyFiveValues2));',
'teardown': 'function multiArrays(){}'
})
);
suites.push(
Benchmark.Suite('`_.without` iterating an array of 50 elements')
.add('Lo-Dash', {
'fn': 'lodash.without.apply(lodash, [fiftyValues].concat(fiftyValues2));',
'teardown': 'function multiArrays(){}'
})
.add('Underscore', {
'fn': '_.without.apply(_, [fiftyValues].concat(fiftyValues2));',
'teardown': 'function multiArrays(){}'
})
);
suites.push(
Benchmark.Suite('`_.without` iterating an array of 75 elements')
.add('Lo-Dash', {
'fn': 'lodash.without.apply(lodash, [seventyFiveValues].concat(seventyFiveValues2));',
'teardown': 'function multiArrays(){}'
})
.add('Underscore', {
'fn': '_.without.apply(_, [seventyFiveValues].concat(seventyFiveValues2));',
'teardown': 'function multiArrays(){}'
})
);
/*--------------------------------------------------------------------------*/
if (Benchmark.platform + '') {
log(Benchmark.platform);
}
// in the browser, expose `run` to be called later
if (window.document) {
window.run = run;
} else {
run();
}
}(typeof global == 'object' && global || this));