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Format numbers and scroll down results panel in perf.js.

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Former-commit-id: 9f80b5534e3b46be7ad9c84ebb7e9ed5afdc35b8
This commit is contained in:
John-David Dalton
2012-05-30 09:16:41 -04:00
parent 1f7e37a1a3
commit f13a0cc7e0
2 changed files with 34 additions and 12 deletions
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2
perf/index.html
View File

@@ -38,7 +38,7 @@
script = document.createElement('script');
document.getElementById('FirebugUI').style.height = '100%';
script.src = 'perf.js';
script.src = 'perf.js?t=' + (+new Date);
sibling.parentNode.insertBefore(script, sibling);
};
</script>

44
perf/perf.js
View File

@@ -25,6 +25,11 @@
_._ || _
);
/** Used to access the Firebug Lite panel */
var fbPanel = (fbPanel = window.document && document.getElementById('FirebugUI')) &&
(fbPanel = (fbPanel = fbPanel.contentWindow || fbPanel.contentDocument).document || fbPanel) &&
fbPanel.getElementById('fbPanel1');
/** Used to score Lo-Dash and Underscore performance */
var score = { 'lodash': 0, 'underscore': 0 };
@@ -41,6 +46,22 @@
/*--------------------------------------------------------------------------*/
/**
* Logs text to the console.
*
* @private
* @param {String} text The text to log.
*/
function log(text) {
console.log(text);
if (fbPanel) {
// scroll down the Firebug Lite panel
fbPanel.scrollTop = fbPanel.scrollHeight;
}
}
/*--------------------------------------------------------------------------*/
lodash.extend(Benchmark.options, {
'async': true,
'setup': function() {
@@ -83,27 +104,28 @@
lodash.extend(Benchmark.Suite.options, {
'onStart': function() {
console.log('\n' + this.name + ':');
log('\n' + this.name + ':');
},
'onCycle': function(event) {
console.log(event.target + '');
log(event.target + '');
},
'onComplete': function() {
var fastest = this.filter('fastest'),
var formatNumber = Benchmark.formatNumber,
fastest = this.filter('fastest'),
slowest = this.filter('slowest'),
lodashHz = 1 / (this[0].stats.mean + this[0].stats.moe),
underscoreHz = 1 / (this[1].stats.mean + this[1].stats.moe);
if (fastest.length > 1) {
console.log('It\'s too close to call.');
log('It\'s too close to call.');
lodashHz = underscoreHz = Math.min(lodashHz, underscoreHz);
}
else {
var fastestHz = fastest[0] == this[0] ? lodashHz : underscoreHz,
slowestHz = slowest[0] == this[0] ? lodashHz : underscoreHz,
percent = Math.round(((fastestHz / slowestHz) - 1) * 100);
percent = formatNumber(Math.round(((fastestHz / slowestHz) - 1) * 100));
console.log(fastest[0].name + ' is ' + percent + '% faster.');
log(fastest[0].name + ' is ' + percent + '% faster.');
}
// add score adjusted for margin of error
score.lodash += lodashHz;
@@ -119,15 +141,15 @@
else {
var fastestTotalHz = Math.max(score.lodash, score.underscore),
slowestTotalHz = Math.min(score.lodash, score.underscore),
totalPercent = Math.round(((fastestTotalHz / slowestTotalHz) - 1) * 100),
totalX = (fastestTotalHz / slowestTotalHz).toFixed(2),
totalPercent = formatNumber(Math.round(((fastestTotalHz / slowestTotalHz) - 1) * 100)),
totalX = formatNumber((fastestTotalHz / slowestTotalHz).toFixed(2)),
message = ' is ' + totalPercent + '% (' + totalX + 'x) faster than ';
// report results
if (score.lodash >= score.underscore) {
console.log('\nLo-Dash' + message + 'Underscore.');
log('\nLo-Dash' + message + 'Underscore.');
} else {
console.log('\nUnderscore' + message + 'Lo-Dash.');
log('\nUnderscore' + message + 'Lo-Dash.');
}
}
}
@@ -396,7 +418,7 @@
/*--------------------------------------------------------------------------*/
if (Benchmark.platform + '') {
console.log(Benchmark.platform + '');
log(Benchmark.platform + '');
}
// start suites
suites[0].run();