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39 lines
1.5 KiB
39 lines
1.5 KiB
var benchmark = function( fn ) {
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var start = new Date(); fn(); var end = new Date();
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return end - start;
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};
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var micro_benchmark = function( fn ) {
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var x = 0; for( var i = 0; i < 1000; i++ ) { x+=benchmark(fn); }; return x;
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};
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var dateBenchmark = function( tests, fn ) {
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var month, day, year; var time = 0;
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for ( var i = 0 ; i < tests ; i++ ) {
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month = Math.round( Math.random() * 11 );
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day = Math.round( Math.random() * 27 ) + 1;
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year = Math.round( Math.random() * 10 ) + 1995;
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var s = month.toString()+'/'+day.toString()+'/'+year.toString();
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time += benchmark( function() { fn(s) } );
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}
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return (Math.round(time/tests*1000));
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};
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$(document).ready(function() {
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var tests = 250;
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var results = {
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'Native: .parse': dateBenchmark( tests, Date._parse ),
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'Ext: parseDate': dateBenchmark( tests, function(s) { Date.parseDate( s, 'm/d/Y' ); } ),
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'Datejs: .parseExact': dateBenchmark( tests, function(s) { Date.parseExact( s, 'M/d/yyyy' ); } ),
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'Datejs: .getParseFunction': dateBenchmark( tests, Date.getParseFunction('M/d/yyyy') ),
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'Datejs: .parse': dateBenchmark( tests, Date.parse )
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};
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var max = 0; for ( var k in results ) { max = ( max < results[k] ) ? results[k]:max ; }
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var addResult = function(h, r) { $('#chart').append(
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'<div class="bar">' +
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'<label>'+h+'</label>'+
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'<div class="value" style="width:'+(r/max*(1/3)*100)+'%"></div>' +
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'<div class="display">'+r+' microseconds</div>');
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};
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for ( var k in results ) { addResult( k, results[k]); }
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});
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