Benchmark.js

gistfile1.txt

/**
 * Simple benchmark class in Titanium.
 *
 * @usage
 * 		Benchmark.start();
 * 		Benchmark.addMarker("Did some cool stuff.");
 *		Benchmark.end(); // Print that shit out.
 *
 * @author Gavin Cooper.
 */
Benchmark = (function () {
	var markers = [];
	
	return {
		start: function () {
			markers = [];
			
			markers.push({title: "Start", value: new Date()});
		},
		addMarker: function (title) {
			if (markers.length <= 0) {
				Benchmark.start();
			}
		
			markers.push({title: title, value: new Date()});
		},
		end: function () {
			markers.push({title: "End", value: new Date()});
			
			Ti.API.debug("==== BENCHMARK START ====");
			for (var i = 1; i < markers.length; i++) {
				var duration = markers[i].value.getTime() - markers[i - 1].value.getTime();
				Ti.API.debug("==== "+markers[i].title+" - "+duration+" m/s");
				
				if (i == (markers.length - 1)) {
					Ti.API.debug("==== Total Time: "+(markers[i].value.getTime() - markers[0].value.getTime())+" m/s");
				}
			}
			Ti.API.debug("==== BENCHMARK END ====");
			
			markers = [];
		}
	};
})();