// Post repeat directive for logging the rendering time
angular.module('myApp').directive('postRepeatDirective',
	['$timeout',
		function($timeout) {
			return function(scope, element, attrs) {
				var timerName = attrs.postRepeatDirective || 'postRepeatDirective';
				
				if (scope.$first) {
					if (window.console && window.console.time) {
						console.time(timerName);
					} else {
						window.a = new Date();   // window.a can be updated anywhere if to reset counter at some action if ng-repeat is not getting started from $first
					}
				}

				if (scope.$last) {
					$timeout(function() {
						if (window.console && window.console.time) {
							console.time(timerName);
							console.timeEnd(timerName);
						} else if (window.console) {
							console.log("## DOM(" + timerName + ") rendering list took: " + (new Date() - window.a) + " ms");
						}
					});
				}
			};
		}
	]);

// Use in HTML:
<tr ng-repeat="item in items" post-repeat-directive>…</tr>

OR

<tr ng-repeat="item in items" post-repeat-directive="itemList">…</tr>