text: /*!
   * Benchmark.js v1.0.0 <http://benchmarkjs.com/>
   * Copyright 2010-2012 Mathias Bynens <http://mths.be/>
   * Based on JSLitmus.js, copyright Robert Kieffer <http://broofa.com/>
   * Modified by John-David Dalton <http://allyoucanleet.com/>
   * Available under MIT license <http://mths.be/mit>
   */
  ;(function(window, undefined) {
    'use strict';
  
    /** Used to assign each benchmark an incrimented id */
    var counter = 0;
  
    /** Detect DOM document object */
    var doc = isHostType(window, 'document') && document;
  
    /** Detect free variable `define` */
    var freeDefine = typeof define == 'function' &&
      typeof define.amd == 'object' && define.amd && define;
  
    /** Detect free variable `exports` */
    var freeExports = typeof exports == 'object' && exports &&
      (typeof global == 'object' && global && global == global.global && (window = global), exports);
  
    /** Detect free variable `require` */
    var freeRequire = typeof require == 'function' && require;
  
    /** Used to store the `Object` built-in in case it's overwritten later */
    var Object = window.Object;
  
    /** Used to crawl all properties regardless of enumerability */
    var getAllKeys = Object.getOwnPropertyNames;
  
    /** Used to get property descriptors */
    var getDescriptor = Object.getOwnPropertyDescriptor;
  
    /** Used in case an object doesn't have its own method */
    var hasOwnProperty = {}.hasOwnProperty;
  
    /** Used to check if an object is extensible */
    var isExtensible = Object.isExtensible || function() { return true; };
  
    /** Used to access Wade Simmons' Node microtime module */
    var microtimeObject = req('microtime');
  
    /** Used to access the browser's high resolution timer */
    var perfObject = isHostType(window, 'performance') && performance;
  
    /** Used to call the browser's high resolution timer */
    var perfName = perfObject && (
      perfObject.now && 'now' ||
      perfObject.webkitNow && 'webkitNow'
    );
  
    /** Used to access Node's high resolution timer */
    var processObject = isHostType(window, 'process') && process;
  
    /** Used to check if an own property is enumerable */
    var propertyIsEnumerable = {}.propertyIsEnumerable;
  
    /** Used to set property descriptors */
    var setDescriptor = Object.defineProperty;
  
    /** Used to resolve a value's internal [[Class]] */
    var toString = {}.toString;
  
    /** Used to prevent a `removeChild` memory leak in IE < 9 */
    var trash = doc && doc.createElement('div');
  
    /** Used to integrity check compiled tests */
    var uid = 'uid' + (+new Date);
  
    /** Used to avoid infinite recursion when methods call each other */
    var calledBy = {};
  
    /** Used to avoid hz of Infinity */
    var divisors = {
      '1': 4096,
      '2': 512,
      '3': 64,
      '4': 8,
      '5': 0
    };
  
    /**
     * T-Distribution two-tailed critical values for 95% confidence
     * http://www.itl.nist.gov/div898/handbook/eda/section3/eda3672.htm
     */
    var tTable = {
      '1':  12.706,'2':  4.303, '3':  3.182, '4':  2.776, '5':  2.571, '6':  2.447,
      '7':  2.365, '8':  2.306, '9':  2.262, '10': 2.228, '11': 2.201, '12': 2.179,
      '13': 2.16,  '14': 2.145, '15': 2.131, '16': 2.12,  '17': 2.11,  '18': 2.101,
      '19': 2.093, '20': 2.086, '21': 2.08,  '22': 2.074, '23': 2.069, '24': 2.064,
      '25': 2.06,  '26': 2.056, '27': 2.052, '28': 2.048, '29': 2.045, '30': 2.042,
      'infinity': 1.96
    };
  
    /**
     * Critical Mann-Whitney U-values for 95% confidence
     * http://www.saburchill.com/IBbiology/stats/003.html
     */
    var uTable = {
      '5':  [0, 1, 2],
      '6':  [1, 2, 3, 5],
      '7':  [1, 3, 5, 6, 8],
      '8':  [2, 4, 6, 8, 10, 13],
      '9':  [2, 4, 7, 10, 12, 15, 17],
      '10': [3, 5, 8, 11, 14, 17, 20, 23],
      '11': [3, 6, 9, 13, 16, 19, 23, 26, 30],
      '12': [4, 7, 11, 14, 18, 22, 26, 29, 33, 37],
      '13': [4, 8, 12, 16, 20, 24, 28, 33, 37, 41, 45],
      '14': [5, 9, 13, 17, 22, 26, 31, 36, 40, 45, 50, 55],
      '15': [5, 10, 14, 19, 24, 29, 34, 39, 44, 49, 54, 59, 64],
      '16': [6, 11, 15, 21, 26, 31, 37, 42, 47, 53, 59, 64, 70, 75],
      '17': [6, 11, 17, 22, 28, 34, 39, 45, 51, 57, 63, 67, 75, 81, 87],
      '18': [7, 12, 18, 24, 30, 36, 42, 48, 55, 61, 67, 74, 80, 86, 93, 99],
      '19': [7, 13, 19, 25, 32, 38, 45, 52, 58, 65, 72, 78, 85, 92, 99, 106, 113],
      '20': [8, 14, 20, 27, 34, 41, 48, 55, 62, 69, 76, 83, 90, 98, 105, 112, 119, 127],
      '21': [8, 15, 22, 29, 36, 43, 50, 58, 65, 73, 80, 88, 96, 103, 111, 119, 126, 134, 142],
      '22': [9, 16, 23, 30, 38, 45, 53, 61, 69, 77, 85, 93, 101, 109, 117, 125, 133, 141, 150, 158],
      '23': [9, 17, 24, 32, 40, 48, 56, 64, 73, 81, 89, 98, 106, 115, 123, 132, 140, 149, 157, 166, 175],
      '24': [10, 17, 25, 33, 42, 50, 59, 67, 76, 85, 94, 102, 111, 120, 129, 138, 147, 156, 165, 174, 183, 192],
      '25': [10, 18, 27, 35, 44, 53, 62, 71, 80, 89, 98, 107, 117, 126, 135, 145, 154, 163, 173, 182, 192, 201, 211],
      '26': [11, 19, 28, 37, 46, 55, 64, 74, 83, 93, 102, 112, 122, 132, 141, 151, 161, 171, 181, 191, 200, 210, 220, 230],
      '27': [11, 20, 29, 38, 48, 57, 67, 77, 87, 97, 107, 118, 125, 138, 147, 158, 168, 178, 188, 199, 209, 219, 230, 240, 250],
      '28': [12, 21, 30, 40, 50, 60, 70, 80, 90, 101, 111, 122, 132, 143, 154, 164, 175, 186, 196, 207, 218, 228, 239, 250, 261, 272],
      '29': [13, 22, 32, 42, 52, 62, 73, 83, 94, 105, 116, 127, 138, 149, 160, 171, 182, 193, 204, 215, 226, 238, 249, 260, 271, 282, 294],
      '30': [13, 23, 33, 43, 54, 65, 76, 87, 98, 109, 120, 131, 143, 154, 166, 177, 189, 200, 212, 223, 235, 247, 258, 270, 282, 293, 305, 317]
    };
  
    /**
     * An object used to flag environments/features.
     *
     * @static
     * @memberOf Benchmark
     * @type Object
     */
    var support = {};
  
    (function() {
  
      /**
       * Detect Adobe AIR.
       *
       * @memberOf Benchmark.support
       * @type Boolean
       */
      support.air = isClassOf(window.runtime, 'ScriptBridgingProxyObject');
  
      /**
       * Detect if `arguments` objects have the correct internal [[Class]] value.
       *
       * @memberOf Benchmark.support
       * @type Boolean
       */
      support.argumentsClass = isClassOf(arguments, 'Arguments');
  
      /**
       * Detect if in a browser environment.
       *
       * @memberOf Benchmark.support
       * @type Boolean
       */
      support.browser = doc && isHostType(window, 'navigator');
  
      /**
       * Detect if strings support accessing characters by index.
       *
       * @memberOf Benchmark.support
       * @type Boolean
       */
      support.charByIndex =
        // IE 8 supports indexes on string literals but not string objects
        ('x'[0] + Object('x')[0]) == 'xx';
  
      /**
       * Detect if strings have indexes as own properties.
       *
       * @memberOf Benchmark.support
       * @type Boolean
       */
      support.charByOwnIndex =
        // Narwhal, Rhino, RingoJS, IE 8, and Opera < 10.52 support indexes on
        // strings but don't detect them as own properties
        support.charByIndex && hasKey('x', '0');
  
      /**
       * Detect if Java is enabled/exposed.
       *
       * @memberOf Benchmark.support
       * @type Boolean
       */
      support.java = isClassOf(window.java, 'JavaPackage');
  
      /**
       * Detect if the Timers API exists.
       *
       * @memberOf Benchmark.support
       * @type Boolean
       */
      support.timeout = isHostType(window, 'setTimeout') && isHostType(window, 'clearTimeout');
  
      /**
       * Detect if functions support decompilation.
       *
       * @name decompilation
       * @memberOf Benchmark.support
       * @type Boolean
       */
      try {
        // Safari 2.x removes commas in object literals
        // from Function#toString results
        // http://webk.it/11609
        // Firefox 3.6 and Opera 9.25 strip grouping
        // parentheses from Function#toString results
        // http://bugzil.la/559438
        support.decompilation = Function(
          'return (' + (function(x) { return { 'x': '' + (1 + x) + '', 'y': 0 }; }) + ')'
        )()(0).x === '1';
      } catch(e) {
        support.decompilation = false;
      }
  
      /**
       * Detect ES5+ property descriptor API.
       *
       * @name descriptors
       * @memberOf Benchmark.support
       * @type Boolean
       */
      try {
        var o = {};
        support.descriptors = (setDescriptor(o, o, o), 'value' in getDescriptor(o, o));
      } catch(e) {
        support.descriptors = false;
      }
  
      /**
       * Detect ES5+ Object.getOwnPropertyNames().
       *
       * @name getAllKeys
       * @memberOf Benchmark.support
       * @type Boolean
       */
      try {
        support.getAllKeys = /\bvalueOf\b/.test(getAllKeys(Object.prototype));
      } catch(e) {
        support.getAllKeys = false;
      }
  
      /**
       * Detect if own properties are iterated before inherited properties (all but IE < 9).
       *
       * @name iteratesOwnLast
       * @memberOf Benchmark.support
       * @type Boolean
       */
      support.iteratesOwnFirst = (function() {
        var props = [];
        function ctor() { this.x = 1; }
        ctor.prototype = { 'y': 1 };
        for (var prop in new ctor) { props.push(prop); }
        return props[0] == 'x';
      }());
  
      /**
       * Detect if a node's [[Class]] is resolvable (all but IE < 9)
       * and that the JS engine errors when attempting to coerce an object to a
       * string without a `toString` property value of `typeof` "function".
       *
       * @name nodeClass
       * @memberOf Benchmark.support
       * @type Boolean
       */
      try {
        support.nodeClass = ({ 'toString': 0 } + '', toString.call(doc || 0) != '[object Object]');
      } catch(e) {
        support.nodeClass = true;
      }
    }());
  
    /**
     * Timer object used by `clock()` and `Deferred#resolve`.
     *
     * @private
     * @type Object
     */
    var timer = {
  
     /**
      * The timer namespace object or constructor.
      *
      * @private
      * @memberOf timer
      * @type Function|Object
      */
      'ns': Date,
  
     /**
      * Starts the deferred timer.
      *
      * @private
      * @memberOf timer
      * @param {Object} deferred The deferred instance.
      */
      'start': null, // lazy defined in `clock()`
  
     /**
      * Stops the deferred timer.
      *
      * @private
      * @memberOf timer
      * @param {Object} deferred The deferred instance.
      */
      'stop': null // lazy defined in `clock()`
    };
  
    /** Shortcut for inverse results */
    var noArgumentsClass = !support.argumentsClass,
        noCharByIndex = !support.charByIndex,
        noCharByOwnIndex = !support.charByOwnIndex;
  
    /** Math shortcuts */
    var abs   = Math.abs,
        floor = Math.floor,
        log   = Math.log,
        max   = Math.max,
        min   = Math.min,
        pow   = Math.pow,
        sqrt  = Math.sqrt;
  
    /*--------------------------------------------------------------------------*/
  
    /**
     * The Benchmark constructor.
     *
     * @constructor
     * @param {String} name A name to identify the benchmark.
     * @param {Function|String} fn The test to benchmark.
     * @param {Object} [options={}] Options object.
     * @example
     *
     * // basic usage (the `new` operator is optional)
     * var bench = new Benchmark(fn);
     *
     * // or using a name first
     * var bench = new Benchmark('foo', fn);
     *
     * // or with options
     * var bench = new Benchmark('foo', fn, {
     *
     *   // displayed by Benchmark#toString if `name` is not available
     *   'id': 'xyz',
     *
     *   // called when the benchmark starts running
     *   'onStart': onStart,
     *
     *   // called after each run cycle
     *   'onCycle': onCycle,
     *
     *   // called when aborted
     *   'onAbort': onAbort,
     *
     *   // called when a test errors
     *   'onError': onError,
     *
     *   // called when reset
     *   'onReset': onReset,
     *
     *   // called when the benchmark completes running
     *   'onComplete': onComplete,
     *
     *   // compiled/called before the test loop
     *   'setup': setup,
     *
     *   // compiled/called after the test loop
     *   'teardown': teardown
     * });
     *
     * // or name and options
     * var bench = new Benchmark('foo', {
     *
     *   // a flag to indicate the benchmark is deferred
     *   'defer': true,
     *
     *   // benchmark test function
     *   'fn': function(deferred) {
     *     // call resolve() when the deferred test is finished
     *     deferred.resolve();
     *   }
     * });
     *
     * // or options only
     * var bench = new Benchmark({
     *
     *   // benchmark name
     *   'name': 'foo',
     *
     *   // benchmark test as a string
     *   'fn': '[1,2,3,4].sort()'
     * });
     *
     * // a test's `this` binding is set to the benchmark instance
     * var bench = new Benchmark('foo', function() {
     *   'My name is '.concat(this.name); // My name is foo
     * });
     */
    function Benchmark(name, fn, options) {
      var me = this;
  
      // allow instance creation without the `new` operator
      if (me == null || me.constructor != Benchmark) {
        return new Benchmark(name, fn, options);
      }
      // juggle arguments
      if (isClassOf(name, 'Object')) {
        // 1 argument (options)
        options = name;
      }
      else if (isClassOf(name, 'Function')) {
        // 2 arguments (fn, options)
        options = fn;
        fn = name;
      }
      else if (isClassOf(fn, 'Object')) {
        // 2 arguments (name, options)
        options = fn;
        fn = null;
        me.name = name;
      }
      else {
        // 3 arguments (name, fn [, options])
        me.name = name;
      }
      setOptions(me, options);
      me.id || (me.id = ++counter);
      me.fn == null && (me.fn = fn);
      me.stats = deepClone(me.stats);
      me.times = deepClone(me.times);
    }
  
    /**
     * The Deferred constructor.
     *
     * @constructor
     * @memberOf Benchmark
     * @param {Object} clone The cloned benchmark instance.
     */
    function Deferred(clone) {
      var me = this;
      if (me == null || me.constructor != Deferred) {
        return new Deferred(clone);
      }
      me.benchmark = clone;
      clock(me);
    }
  
    /**
     * The Event constructor.
     *
     * @constructor
     * @memberOf Benchmark
     * @param {String|Object} type The event type.
     */
    function Event(type) {
      var me = this;
      return (me == null || me.constructor != Event)
        ? new Event(type)
        : (type instanceof Event)
            ? type
            : extend(me, { 'timeStamp': +new Date }, typeof type == 'string' ? { 'type': type } : type);
    }
  
    /**
     * The Suite constructor.
     *
     * @constructor
     * @memberOf Benchmark
     * @param {String} name A name to identify the suite.
     * @param {Object} [options={}] Options object.
     * @example
     *
     * // basic usage (the `new` operator is optional)
     * var suite = new Benchmark.Suite;
     *
     * // or using a name first
     * var suite = new Benchmark.Suite('foo');
     *
     * // or with options
     * var suite = new Benchmark.Suite('foo', {
     *
     *   // called when the suite starts running
     *   'onStart': onStart,
     *
     *   // called between running benchmarks
     *   'onCycle': onCycle,
     *
     *   // called when aborted
     *   'onAbort': onAbort,
     *
     *   // called when a test errors
     *   'onError': onError,
     *
     *   // called when reset
     *   'onReset': onReset,
     *
     *   // called when the suite completes running
     *   'onComplete': onComplete
     * });
     */
    function Suite(name, options) {
      var me = this;
  
      // allow instance creation without the `new` operator
      if (me == null || me.constructor != Suite) {
        return new Suite(name, options);
      }
      // juggle arguments
      if (isClassOf(name, 'Object')) {
        // 1 argument (options)
        options = name;
      } else {
        // 2 arguments (name [, options])
        me.name = name;
      }
      setOptions(me, options);
    }
  
    /*--------------------------------------------------------------------------*/
  
    /**
     * Note: Some array methods have been implemented in plain JavaScript to avoid
     * bugs in IE, Opera, Rhino, and Mobile Safari.
     *
     * IE compatibility mode and IE < 9 have buggy Array `shift()` and `splice()`
     * functions that fail to remove the last element, `object[0]`, of
     * array-like-objects even though the `length` property is set to `0`.
     * The `shift()` method is buggy in IE 8 compatibility mode, while `splice()`
     * is buggy regardless of mode in IE < 9 and buggy in compatibility mode in IE 9.
     *
     * In Opera < 9.50 and some older/beta Mobile Safari versions using `unshift()`
     * generically to augment the `arguments` object will pave the value at index 0
     * without incrimenting the other values's indexes.
     * https://github.com/documentcloud/underscore/issues/9
     *
     * Rhino and environments it powers, like Narwhal and RingoJS, may have
     * buggy Array `concat()`, `reverse()`, `shift()`, `slice()`, `splice()` and
     * `unshift()` functions that make sparse arrays non-sparse by assigning the
     * undefined indexes a value of undefined.
     * https://github.com/mozilla/rhino/commit/702abfed3f8ca043b2636efd31c14ba7552603dd
     */
  
    /**
     * Creates an array containing the elements of the host array followed by the
     * elements of each argument in order.
     *
     * @memberOf Benchmark.Suite
     * @returns {Array} The new array.
     */
    function concat() {
      var value,
          j = -1,
          length = arguments.length,
          result = slice.call(this),
          index = result.length;
  
      while (++j < length) {
        value = arguments[j];
        if (isClassOf(value, 'Array')) {
          for (var k = 0, l = value.length; k < l; k++, index++) {
            if (k in value) {
              result[index] = value[k];
            }
          }
        } else {
          result[index++] = value;
        }
      }
      return result;
    }
  
    /**
     * Utility function used by `shift()`, `splice()`, and `unshift()`.
     *
     * @private
     * @param {Number} start The index to start inserting elements.
     * @param {Number} deleteCount The number of elements to delete from the insert point.
     * @param {Array} elements The elements to insert.
     * @returns {Array} An array of deleted elements.
     */
    function insert(start, deleteCount, elements) {
      // `result` should have its length set to the `deleteCount`
      // see https://bugs.ecmascript.org/show_bug.cgi?id=332
      var deleteEnd = start + deleteCount,
          elementCount = elements ? elements.length : 0,
          index = start - 1,
          length = start + elementCount,
          object = this,
          result = Array(deleteCount),
          tail = slice.call(object, deleteEnd);
  
      // delete elements from the array
      while (++index < deleteEnd) {
        if (index in object) {
          result[index - start] = object[index];
          delete object[index];
        }
      }
      // insert elements
      index = start - 1;
      while (++index < length) {
        object[index] = elements[index - start];
      }
      // append tail elements
      start = index--;
      length = max(0, (object.length >>> 0) - deleteCount + elementCount);
      while (++index < length) {
        if ((index - start) in tail) {
          object[index] = tail[index - start];
        } else if (index in object) {
          delete object[index];
        }
      }
      // delete excess elements
      deleteCount = deleteCount > elementCount ? deleteCount - elementCount : 0;
      while (deleteCount--) {
        index = length + deleteCount;
        if (index in object) {
          delete object[index];
        }
      }
      object.length = length;
      return result;
    }
  
    /**
     * Rearrange the host array's elements in reverse order.
     *
     * @memberOf Benchmark.Suite
     * @returns {Array} The reversed array.
     */
    function reverse() {
      var upperIndex,
          value,
          index = -1,
          object = Object(this),
          length = object.length >>> 0,
          middle = floor(length / 2);
  
      if (length > 1) {
        while (++index < middle) {
          upperIndex = length - index - 1;
          value = upperIndex in object ? object[upperIndex] : uid;
          if (index in object) {
            object[upperIndex] = object[index];
          } else {
            delete object[upperIndex];
          }
          if (value != uid) {
            object[index] = value;
          } else {
            delete object[index];
          }
        }
      }
      return object;
    }
  
    /**
     * Removes the first element of the host array and returns it.
     *
     * @memberOf Benchmark.Suite
     * @returns {Mixed} The first element of the array.
     */
    function shift() {
      return insert.call(this, 0, 1)[0];
    }
  
    /**
     * Creates an array of the host array's elements from the start index up to,
     * but not including, the end index.
     *
     * @memberOf Benchmark.Suite
     * @param {Number} start The starting index.
     * @param {Number} end The end index.
     * @returns {Array} The new array.
     */
    function slice(start, end) {
      var index = -1,
          object = Object(this),
          length = object.length >>> 0,
          result = [];
  
      start = toInteger(start);
      start = start < 0 ? max(length + start, 0) : min(start, length);
      start--;
      end = end == null ? length : toInteger(end);
      end = end < 0 ? max(length + end, 0) : min(end, length);
  
      while ((++index, ++start) < end) {
        if (start in object) {
          result[index] = object[start];
        }
      }
      return result;
    }
  
    /**
     * Allows removing a range of elements and/or inserting elements into the
     * host array.
     *
     * @memberOf Benchmark.Suite
     * @param {Number} start The start index.
     * @param {Number} deleteCount The number of elements to delete.
     * @param {Mixed} [val1, val2, ...] values to insert at the `start` index.
     * @returns {Array} An array of removed elements.
     */
    function splice(start, deleteCount) {
      var object = Object(this),
          length = object.length >>> 0;
  
      start = toInteger(start);
      start = start < 0 ? max(length + start, 0) : min(start, length);
  
      // support the de-facto SpiderMonkey extension
      // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/splice#Parameters
      // https://bugs.ecmascript.org/show_bug.cgi?id=429
      deleteCount = arguments.length == 1
        ? length - start
        : min(max(toInteger(deleteCount), 0), length - start);
  
      return insert.call(object, start, deleteCount, slice.call(arguments, 2));
    }
  
    /**
     * Converts the specified `value` to an integer.
     *
     * @private
     * @param {Mixed} value The value to convert.
     * @returns {Number} The resulting integer.
     */
    function toInteger(value) {
      value = +value;
      return value === 0 || !isFinite(value) ? value || 0 : value - (value % 1);
    }
  
    /**
     * Appends arguments to the host array.
     *
     * @memberOf Benchmark.Suite
     * @returns {Number} The new length.
     */
    function unshift() {
      var object = Object(this);
      insert.call(object, 0, 0, arguments);
      return object.length;
    }
  
    /*--------------------------------------------------------------------------*/
  
    /**
     * A generic `Function#bind` like method.
     *
     * @private
     * @param {Function} fn The function to be bound to `thisArg`.
     * @param {Mixed} thisArg The `this` binding for the given function.
     * @returns {Function} The bound function.
     */
    function bind(fn, thisArg) {
      return function() { fn.apply(thisArg, arguments); };
    }
  
    /**
     * Creates a function from the given arguments string and body.
     *
     * @private
     * @param {String} args The comma separated function arguments.
     * @param {String} body The function body.
     * @returns {Function} The new function.
     */
    function createFunction() {
      // lazy define
      createFunction = function(args, body) {
        var result,
            anchor = freeDefine ? define.amd : Benchmark,
            prop = uid + 'createFunction';
  
        runScript((freeDefine ? 'define.amd.' : 'Benchmark.') + prop + '=function(' + args + '){' + body + '}');
        result = anchor[prop];
        delete anchor[prop];
        return result;
      };
      // fix JaegerMonkey bug
      // http://bugzil.la/639720
      createFunction = support.browser && (createFunction('', 'return"' + uid + '"') || noop)() == uid ? createFunction : Function;
      return createFunction.apply(null, arguments);
    }
  
    /**
     * Delay the execution of a function based on the benchmark's `delay` property.
     *
     * @private
     * @param {Object} bench The benchmark instance.
     * @param {Object} fn The function to execute.
     */
    function delay(bench, fn) {
      bench._timerId = setTimeout(fn, bench.delay * 1e3);
    }
  
    /**
     * Destroys the given element.
     *
     * @private
     * @param {Element} element The element to destroy.
     */
    function destroyElement(element) {
      trash.appendChild(element);
      trash.innerHTML = '';
    }
  
    /**
     * Iterates over an object's properties, executing the `callback` for each.
     * Callbacks may terminate the loop by explicitly returning `false`.
     *
     * @private
     * @param {Object} object The object to iterate over.
     * @param {Function} callback The function executed per own property.
     * @param {Object} options The options object.
     * @returns {Object} Returns the object iterated over.
     */
    function forProps() {
      var forShadowed,
          skipSeen,
          forArgs = true,
          shadowed = ['constructor', 'hasOwnProperty', 'isPrototypeOf', 'propertyIsEnumerable', 'toLocaleString', 'toString', 'valueOf'];
  
      (function(enumFlag, key) {
        // must use a non-native constructor to catch the Safari 2 issue
        function Klass() { this.valueOf = 0; };
        Klass.prototype.valueOf = 0;
        // check various for-in bugs
        for (key in new Klass) {
          enumFlag += key == 'valueOf' ? 1 : 0;
        }
        // check if `arguments` objects have non-enumerable indexes
        for (key in arguments) {
          key == '0' && (forArgs = false);
        }
        // Safari 2 iterates over shadowed properties twice
        // http://replay.waybackmachine.org/20090428222941/http://tobielangel.com/2007/1/29/for-in-loop-broken-in-safari/
        skipSeen = enumFlag == 2;
        // IE < 9 incorrectly makes an object's properties non-enumerable if they have
        // the same name as other non-enumerable properties in its prototype chain.
        forShadowed = !enumFlag;
      }(0));
  
      // lazy define
      forProps = function(object, callback, options) {
        options || (options = {});
  
        var result = object;
        object = Object(object);
  
        var ctor,
            key,
            keys,
            skipCtor,
            done = !result,
            which = options.which,
            allFlag = which == 'all',
            index = -1,
            iteratee = object,
            length = object.length,
            ownFlag = allFlag || which == 'own',
            seen = {},
            skipProto = isClassOf(object, 'Function'),
            thisArg = options.bind;
  
        if (thisArg !== undefined) {
          callback = bind(callback, thisArg);
        }
        // iterate all properties
        if (allFlag && support.getAllKeys) {
          for (index = 0, keys = getAllKeys(object), length = keys.length; index < length; index++) {
            key = keys[index];
            if (callback(object[key], key, object) === false) {
              break;
            }
          }
        }
        // else iterate only enumerable properties
        else {
          for (key in object) {
            // Firefox < 3.6, Opera > 9.50 - Opera < 11.60, and Safari < 5.1
            // (if the prototype or a property on the prototype has been set)
            // incorrectly set a function's `prototype` property [[Enumerable]] value
            // to `true`. Because of this we standardize on skipping the `prototype`
            // property of functions regardless of their [[Enumerable]] value.
            if ((done =
                !(skipProto && key == 'prototype') &&
                !(skipSeen && (hasKey(seen, key) || !(seen[key] = true))) &&
                (!ownFlag || ownFlag && hasKey(object, key)) &&
                callback(object[key], key, object) === false)) {
              break;
            }
          }
          // in IE < 9 strings don't support accessing characters by index
          if (!done && (forArgs && isArguments(object) ||
              ((noCharByIndex || noCharByOwnIndex) && isClassOf(object, 'String') &&
                (iteratee = noCharByIndex ? object.split('') : object)))) {
            while (++index < length) {
              if ((done =
                  callback(iteratee[index], String(index), object) === false)) {
                break;
              }
            }
          }
          if (!done && forShadowed) {
            // Because IE < 9 can't set the `[[Enumerable]]` attribute of an existing
            // property and the `constructor` property of a prototype defaults to
            // non-enumerable, we manually skip the `constructor` property when we
            // think we are iterating over a `prototype` object.
            ctor = object.constructor;
            skipCtor = ctor && ctor.prototype && ctor.prototype.constructor === ctor;
            for (index = 0; index < 7; index++) {
              key = shadowed[index];
              if (!(skipCtor && key == 'constructor') &&
                  hasKey(object, key) &&
                  callback(object[key], key, object) === false) {
                break;
              }
            }
          }
        }
        return result;
      };
      return forProps.apply(null, arguments);
    }
  
    /**
     * Gets the name of the first argument from a function's source.
     *
     * @private
     * @param {Function} fn The function.
     * @returns {String} The argument name.
     */
    function getFirstArgument(fn) {
      return (!hasKey(fn, 'toString') &&
        (/^[\s(]*function[^(]*\(([^\s,)]+)/.exec(fn) || 0)[1]) || '';
    }
  
    /**
     * Computes the geometric mean (log-average) of a sample.
     * See http://en.wikipedia.org/wiki/Geometric_mean#Relationship_with_arithmetic_mean_of_logarithms.
     *
     * @private
     * @param {Array} sample The sample.
     * @returns {Number} The geometric mean.
     */
    function getGeometricMean(sample) {
      return pow(Math.E, reduce(sample, function(sum, x) {
        return sum + log(x);
      }) / sample.length) || 0;
    }
  
    /**
     * Computes the arithmetic mean of a sample.
     *
     * @private
     * @param {Array} sample The sample.
     * @returns {Number} The mean.
     */
    function getMean(sample) {
      return (reduce(sample, function(sum, x) {
        return sum + x;
      }) / sample.length) || 0;
    }
  
    /**
     * Gets the source code of a function.
     *
     * @private
     * @param {Function} fn The function.
     * @param {String} altSource A string used when a function's source code is unretrievable.
     * @returns {String} The function's source code.
     */
    function getSource(fn, altSource) {
      var result = altSource;
      if (isStringable(fn)) {
        result = String(fn);
      } else if (support.decompilation) {
        // escape the `{` for Firefox 1
        result = (/^[^{]+\{([\s\S]*)}\s*$/.exec(fn) || 0)[1];
      }
      // trim string
      result = (result || '').replace(/^\s+|\s+$/g, '');
  
      // detect strings containing only the "use strict" directive
      return /^(?:\/\*+[\w|\W]*?\*\/|\/\/.*?[\n\r\u2028\u2029]|\s)*(["'])use strict\1;?$/.test(result)
        ? ''
        : result;
    }
  
    /**
     * Checks if a value is an `arguments` object.
     *
     * @private
     * @param {Mixed} value The value to check.
     * @returns {Boolean} Returns `true` if the value is an `arguments` object, else `false`.
     */
    function isArguments() {
      // lazy define
      isArguments = function(value) {
        return toString.call(value) == '[object Arguments]';
      };
      if (noArgumentsClass) {
        isArguments = function(value) {
          return hasKey(value, 'callee') &&
            !(propertyIsEnumerable && propertyIsEnumerable.call(value, 'callee'));
        };
      }
      return isArguments(arguments[0]);
    }
  
    /**
     * Checks if an object is of the specified class.
     *
     * @private
     * @param {Mixed} value The value to check.
     * @param {String} name The name of the class.
     * @returns {Boolean} Returns `true` if the value is of the specified class, else `false`.
     */
    function isClassOf(value, name) {
      return value != null && toString.call(value) == '[object ' + name + ']';
    }
  
    /**
     * Host objects can return type values that are different from their actual
     * data type. The objects we are concerned with usually return non-primitive
     * types of object, function, or unknown.
     *
     * @private
     * @param {Mixed} object The owner of the property.
     * @param {String} property The property to check.
     * @returns {Boolean} Returns `true` if the property value is a non-primitive, else `false`.
     */
    function isHostType(object, property) {
      var type = object != null ? typeof object[property] : 'number';
      return !/^(?:boolean|number|string|undefined)$/.test(type) &&
        (type == 'object' ? !!object[property] : true);
    }
  
    /**
     * Checks if a given `value` is an object created by the `Object` constructor
     * assuming objects created by the `Object` constructor have no inherited
     * enumerable properties and that there are no `Object.prototype` extensions.
     *
     * @private
     * @param {Mixed} value The value to check.
     * @returns {Boolean} Returns `true` if the `value` is a plain `Object` object, else `false`.
     */
    function isPlainObject(value) {
      // avoid non-objects and false positives for `arguments` objects in IE < 9
      var result = false;
      if (!(value && typeof value == 'object') || isArguments(value)) {
        return result;
      }
      // IE < 9 presents DOM nodes as `Object` objects except they have `toString`
      // methods that are `typeof` "string" and still can coerce nodes to strings.
      // Also check that the constructor is `Object` (i.e. `Object instanceof Object`)
      var ctor = value.constructor;
      if ((support.nodeClass || !(typeof value.toString != 'function' && typeof (value + '') == 'string')) &&
          (!isClassOf(ctor, 'Function') || ctor instanceof ctor)) {
        // In most environments an object's own properties are iterated before
        // its inherited properties. If the last iterated property is an object's
        // own property then there are no inherited enumerable properties.
        if (support.iteratesOwnFirst) {
          forProps(value, function(subValue, subKey) {
            result = subKey;
          });
          return result === false || hasKey(value, result);
        }
        // IE < 9 iterates inherited properties before own properties. If the first
        // iterated property is an object's own property then there are no inherited
        // enumerable properties.
        forProps(value, function(subValue, subKey) {
          result = !hasKey(value, subKey);
          return false;
        });
        return result === false;
      }
      return result;
    }
  
    /**
     * Checks if a value can be safely coerced to a string.
     *
     * @private
     * @param {Mixed} value The value to check.
     * @returns {Boolean} Returns `true` if the value can be coerced, else `false`.
     */
    function isStringable(value) {
      return hasKey(value, 'toString') || isClassOf(value, 'String');
    }
  
    /**
     * Wraps a function and passes `this` to the original function as the
     * first argument.
     *
     * @private
     * @param {Function} fn The function to be wrapped.
     * @returns {Function} The new function.
     */
    function methodize(fn) {
      return function() {
        var args = [this];
        args.push.apply(args, arguments);
        return fn.apply(null, args);
      };
    }
  
    /**
     * A no-operation function.
     *
     * @private
     */
    function noop() {
      // no operation performed
    }
  
    /**
     * A wrapper around require() to suppress `module missing` errors.
     *
     * @private
     * @param {String} id The module id.
     * @returns {Mixed} The exported module or `null`.
     */
    function req(id) {
      try {
        var result = freeExports && freeRequire(id);
      } catch(e) { }
      return result || null;
    }
  
    /**
     * Runs a snippet of JavaScript via script injection.
     *
     * @private
     * @param {String} code The code to run.
     */
    function runScript(code) {
      var anchor = freeDefine ? define.amd : Benchmark,
          script = doc.createElement('script'),
          sibling = doc.getElementsByTagName('script')[0],
          parent = sibling.parentNode,
          prop = uid + 'runScript',
          prefix = '(' + (freeDefine ? 'define.amd.' : 'Benchmark.') + prop + '||function(){})();';
  
      // Firefox 2.0.0.2 cannot use script injection as intended because it executes
      // asynchronously, but that's OK because script injection is only used to avoid
      // the previously commented JaegerMonkey bug.
      try {
        // remove the inserted script *before* running the code to avoid differences
        // in the expected script element count/order of the document.
        script.appendChild(doc.createTextNode(prefix + code));
        anchor[prop] = function() { destroyElement(script); };
      } catch(e) {
        parent = parent.cloneNode(false);
        sibling = null;
        script.text = code;
      }
      parent.insertBefore(script, sibling);
      delete anchor[prop];
    }
  
    /**
     * A helper function for setting options/event handlers.
     *
     * @private
     * @param {Object} bench The benchmark instance.
     * @param {Object} [options={}] Options object.
     */
    function setOptions(bench, options) {
      options = extend({}, bench.constructor.options, options);
      bench.options = forOwn(options, function(value, key) {
        if (value != null) {
          // add event listeners
          if (/^on[A-Z]/.test(key)) {
            forEach(key.split(' '), function(key) {
              bench.on(key.slice(2).toLowerCase(), value);
            });
          } else if (!hasKey(bench, key)) {
            bench[key] = deepClone(value);
          }
        }
      });
    }
  
    /*--------------------------------------------------------------------------*/
  
    /**
     * Handles cycling/completing the deferred benchmark.
     *
     * @memberOf Benchmark.Deferred
     */
    function resolve() {
      var me = this,
          clone = me.benchmark,
          bench = clone._original;
  
      if (bench.aborted) {
        // cycle() -> clone cycle/complete event -> compute()'s invoked bench.run() cycle/complete
        me.teardown();
        clone.running = false;
        cycle(me);
      }
      else if (++me.cycles < clone.count) {
        // continue the test loop
        if (support.timeout) {
          // use setTimeout to avoid a call stack overflow if called recursively
          setTimeout(function() { clone.compiled.call(me, timer); }, 0);
        } else {
          clone.compiled.call(me, timer);
        }
      }
      else {
        timer.stop(me);
        me.teardown();
        delay(clone, function() { cycle(me); });
      }
    }
  
    /*--------------------------------------------------------------------------*/
  
    /**
     * A deep clone utility.
     *
     * @static
     * @memberOf Benchmark
     * @param {Mixed} value The value to clone.
     * @returns {Mixed} The cloned value.
     */
    function deepClone(value) {
      var accessor,
          circular,
          clone,
          ctor,
          descriptor,
          extensible,
          key,
          length,
          markerKey,
          parent,
          result,
          source,
          subIndex,
          data = { 'value': value },
          index = 0,
          marked = [],
          queue = { 'length': 0 },
          unmarked = [];
  
      /**
       * An easily detectable decorator for cloned values.
       */
      function Marker(object) {
        this.raw = object;
      }
  
      /**
       * The callback used by `forProps()`.
       */
      function forPropsCallback(subValue, subKey) {
        // exit early to avoid cloning the marker
        if (subValue && subValue.constructor == Marker) {
          return;
        }
        // add objects to the queue
        if (subValue === Object(subValue)) {
          queue[queue.length++] = { 'key': subKey, 'parent': clone, 'source': value };
        }
        // assign non-objects
        else {
          try {
            // will throw an error in strict mode if the property is read-only
            clone[subKey] = subValue;
          } catch(e) { }
        }
      }
  
      /**
       * Gets an available marker key for the given object.
       */
      function getMarkerKey(object) {
        // avoid collisions with existing keys
        var result = uid;
        while (object[result] && object[result].constructor != Marker) {
          result += 1;
        }
        return result;
      }
  
      do {
        key = data.key;
        parent = data.parent;
        source = data.source;
        clone = value = source ? source[key] : data.value;
        accessor = circular = descriptor = false;
  
        // create a basic clone to filter out functions, DOM elements, and
        // other non `Object` objects
        if (value === Object(value)) {
          // use custom deep clone function if available
          if (isClassOf(value.deepClone, 'Function')) {
            clone = value.deepClone();
          } else {
            ctor = value.constructor;
            switch (toString.call(value)) {
              case '[object Array]':
                clone = new ctor(value.length);
                break;
  
              case '[object Boolean]':
                clone = new ctor(value == true);
                break;
  
              case '[object Date]':
                clone = new ctor(+value);
                break;
  
              case '[object Object]':
                isPlainObject(value) && (clone = {});
                break;
  
              case '[object Number]':
              case '[object String]':
                clone = new ctor(value);
                break;
  
              case '[object RegExp]':
                clone = ctor(value.source,
                  (value.global     ? 'g' : '') +
                  (value.ignoreCase ? 'i' : '') +
                  (value.multiline  ? 'm' : ''));
            }
          }
          // continue clone if `value` doesn't have an accessor descriptor
          // http://es5.github.com/#x8.10.1
          if (clone && clone != value &&
              !(descriptor = source && support.descriptors && getDescriptor(source, key),
                accessor = descriptor && (descriptor.get || descriptor.set))) {
            // use an existing clone (circular reference)
            if ((extensible = isExtensible(value))) {
              markerKey = getMarkerKey(value);
              if (value[markerKey]) {
                circular = clone = value[markerKey].raw;
              }
            } else {
              // for frozen/sealed objects
              for (subIndex = 0, length = unmarked.length; subIndex < length; subIndex++) {
                data = unmarked[subIndex];
                if (data.object === value) {
                  circular = clone = data.clone;
                  break;
                }
              }
            }
            if (!circular) {
              // mark object to allow quickly detecting circular references and tie it to its clone
              if (extensible) {
                value[markerKey] = new Marker(clone);
                marked.push({ 'key': markerKey, 'object': value });
              } else {
                // for frozen/sealed objects
                unmarked.push({ 'clone': clone, 'object': value });
              }
              // iterate over object properties
              forProps(value, forPropsCallback, { 'which': 'all' });
            }
          }
        }
        if (parent) {
          // for custom property descriptors
          if (accessor || (descriptor && !(descriptor.configurable && descriptor.enumerable && descriptor.writable))) {
            if ('value' in descriptor) {
              descriptor.value = clone;
            }
            setDescriptor(parent, key, descriptor);
          }
          // for default property descriptors
          else {
            parent[key] = clone;
          }
        } else {
          result = clone;
        }
      } while ((data = queue[index++]));
  
      // remove markers
      for (index = 0, length = marked.length; index < length; index++) {
        data = marked[index];
        delete data.object[data.key];
      }
      return result;
    }
  
    /**
     * An iteration utility for arrays and objects.
     * Callbacks may terminate the loop by explicitly returning `false`.
     *
     * @static
     * @memberOf Benchmark
     * @param {Array|Object} object The object to iterate over.
     * @param {Function} callback The function called per iteration.
     * @param {Mixed} thisArg The `this` binding for the callback.
     * @returns {Array|Object} Returns the object iterated over.
     */
    function each(object, callback, thisArg) {
      var result = object;
      object = Object(object);
  
      var fn = callback,
          index = -1,
          length = object.length,
          isSnapshot = !!(object.snapshotItem && (length = object.snapshotLength)),
          isSplittable = (noCharByIndex || noCharByOwnIndex) && isClassOf(object, 'String'),
          isConvertable = isSnapshot || isSplittable || 'item' in object,
          origObject = object;
  
      // in Opera < 10.5 `hasKey(object, 'length')` returns `false` for NodeLists
      if (length === length >>> 0) {
        if (isConvertable) {
          // the third argument of the callback is the original non-array object
          callback = function(value, index) {
            return fn.call(this, value, index, origObject);
          };
          // in IE < 9 strings don't support accessing characters by index
          if (isSplittable) {
            object = object.split('');
          } else {
            object = [];
            while (++index < length) {
              // in Safari 2 `index in object` is always `false` for NodeLists
              object[index] = isSnapshot ? result.snapshotItem(index) : result[index];
            }
          }
        }
        forEach(object, callback, thisArg);
      } else {
        forOwn(object, callback, thisArg);
      }
      return result;
    }
  
    /**
     * Copies enumerable properties from the source(s) object to the destination object.
     *
     * @static
     * @memberOf Benchmark
     * @param {Object} destination The destination object.
     * @param {Object} [source={}] The source object.
     * @returns {Object} The destination object.
     */
    function extend(destination, source) {
      // Chrome < 14 incorrectly sets `destination` to `undefined` when we `delete arguments[0]`
      // http://code.google.com/p/v8/issues/detail?id=839
      var result = destination;
      delete arguments[0];
  
      forEach(arguments, function(source) {
        forProps(source, function(value, key) {
          result[key] = value;
        });
      });
      return result;
    }
  
    /**
     * A generic `Array#filter` like method.
     *
     * @static
     * @memberOf Benchmark
     * @param {Array} array The array to iterate over.
     * @param {Function|String} callback The function/alias called per iteration.
     * @param {Mixed} thisArg The `this` binding for the callback.
     * @returns {Array} A new array of values that passed callback filter.
     * @example
     *
     * // get odd numbers
     * Benchmark.filter([1, 2, 3, 4, 5], function(n) {
     *   return n % 2;
     * }); // -> [1, 3, 5];
     *
     * // get fastest benchmarks
     * Benchmark.filter(benches, 'fastest');
     *
     * // get slowest benchmarks
     * Benchmark.filter(benches, 'slowest');
     *
     * // get benchmarks that completed without erroring
     * Benchmark.filter(benches, 'successful');
     */
    function filter(array, callback, thisArg) {
      var result;
  
      if (callback == 'successful') {
        // callback to exclude those that are errored, unrun, or have hz of Infinity
        callback = function(bench) { return bench.cycles && isFinite(bench.hz); };
      }
      else if (callback == 'fastest' || callback == 'slowest') {
        // get successful, sort by period + margin of error, and filter fastest/slowest
        result = filter(array, 'successful').sort(function(a, b) {
          a = a.stats; b = b.stats;
          return (a.mean + a.moe > b.mean + b.moe ? 1 : -1) * (callback == 'fastest' ? 1 : -1);
        });
        result = filter(result, function(bench) {
          return result[0].compare(bench) == 0;
        });
      }
      return result || reduce(array, function(result, value, index) {
        return callback.call(thisArg, value, index, array) ? (result.push(value), result) : result;
      }, []);
    }
  
    /**
     * A generic `Array#forEach` like method.
     * Callbacks may terminate the loop by explicitly returning `false`.
     *
     * @static
     * @memberOf Benchmark
     * @param {Array} array The array to iterate over.
     * @param {Function} callback The function called per iteration.
     * @param {Mixed} thisArg The `this` binding for the callback.
     * @returns {Array} Returns the array iterated over.
     */
    function forEach(array, callback, thisArg) {
      var index = -1,
          length = (array = Object(array)).length >>> 0;
  
      if (thisArg !== undefined) {
        callback = bind(callback, thisArg);
      }
      while (++index < length) {
        if (index in array &&
            callback(array[index], index, array) === false) {
          break;
        }
      }
      return array;
    }
  
    /**
     * Iterates over an object's own properties, executing the `callback` for each.
     * Callbacks may terminate the loop by explicitly returning `false`.
     *
     * @static
     * @memberOf Benchmark
     * @param {Object} object The object to iterate over.
     * @param {Function} callback The function executed per own property.
     * @param {Mixed} thisArg The `this` binding for the callback.
     * @returns {Object} Returns the object iterated over.
     */
    function forOwn(object, callback, thisArg) {
      return forProps(object, callback, { 'bind': thisArg, 'which': 'own' });
    }
  
    /**
     * Converts a number to a more readable comma-separated string representation.
     *
     * @static
     * @memberOf Benchmark
     * @param {Number} number The number to convert.
     * @returns {String} The more readable string representation.
     */
    function formatNumber(number) {
      number = String(number).split('.');
      return number[0].replace(/(?=(?:\d{3})+$)(?!\b)/g, ',') +
        (number[1] ? '.' + number[1] : '');
    }
  
    /**
     * Checks if an object has the specified key as a direct property.
     *
     * @static
     * @memberOf Benchmark
     * @param {Object} object The object to check.
     * @param {String} key The key to check for.
     * @returns {Boolean} Returns `true` if key is a direct property, else `false`.
     */
    function hasKey() {
      // lazy define for worst case fallback (not as accurate)
      hasKey = function(object, key) {
        var parent = object != null && (object.constructor || Object).prototype;
        return !!parent && key in Object(object) && !(key in parent && object[key] === parent[key]);
      };
      // for modern browsers
      if (isClassOf(hasOwnProperty, 'Function')) {
        hasKey = function(object, key) {
          return object != null && hasOwnProperty.call(object, key);
        };
      }
      // for Safari 2
      else if ({}.__proto__ == Object.prototype) {
        hasKey = function(object, key) {
          var result = false;
          if (object != null) {
            object = Object(object);
            object.__proto__ = [object.__proto__, object.__proto__ = null, result = key in object][0];
          }
          return result;
        };
      }
      return hasKey.apply(this, arguments);
    }
  
    /**
     * A generic `Array#indexOf` like method.
     *
     * @static
     * @memberOf Benchmark
     * @param {Array} array The array to iterate over.
     * @param {Mixed} value The value to search for.
     * @param {Number} [fromIndex=0] The index to start searching from.
     * @returns {Number} The index of the matched value or `-1`.
     */
    function indexOf(array, value, fromIndex) {
      var index = toInteger(fromIndex),
          length = (array = Object(array)).length >>> 0;
  
      index = (index < 0 ? max(0, length + index) : index) - 1;
      while (++index < length) {
        if (index in array && value === array[index]) {
          return index;
        }
      }
      return -1;
    }
  
    /**
     * Modify a string by replacing named tokens with matching object property values.
     *
     * @static
     * @memberOf Benchmark
     * @param {String} string The string to modify.
     * @param {Object} object The template object.
     * @returns {String} The modified string.
     */
    function interpolate(string, object) {
      forOwn(object, function(value, key) {
        // escape regexp special characters in `key`
        string = string.replace(
          RegExp('#\\{' + key.replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1') + '\\}', 'g'),
          value.replace(/\$/g, '$$$$')
        );
      });
      return string;
    }
  
    /**
     * Invokes a method on all items in an array.
     *
     * @static
     * @memberOf Benchmark
     * @param {Array} benches Array of benchmarks to iterate over.
     * @param {String|Object} name The name of the method to invoke OR options object.
     * @param {Mixed} [arg1, arg2, ...] Arguments to invoke the method with.
     * @returns {Array} A new array of values returned from each method invoked.
     * @example
     *
     * // invoke `reset` on all benchmarks
     * Benchmark.invoke(benches, 'reset');
     *
     * // invoke `emit` with arguments
     * Benchmark.invoke(benches, 'emit', 'complete', listener);
     *
     * // invoke `run(true)`, treat benchmarks as a queue, and register invoke callbacks
     * Benchmark.invoke(benches, {
     *
     *   // invoke the `run` method
     *   'name': 'run',
     *
     *   // pass a single argument
     *   'args': true,
     *
     *   // treat as queue, removing benchmarks from front of `benches` until empty
     *   'queued': true,
     *
     *   // called before any benchmarks have been invoked.
     *   'onStart': onStart,
     *
     *   // called between invoking benchmarks
     *   'onCycle': onCycle,
     *
     *   // called after all benchmarks have been invoked.
     *   'onComplete': onComplete
     * });
     */
    function invoke(benches, name) {
      var args,
          bench,
          queued,
          index = -1,
          eventProps = { 'currentTarget': benches },
          options = { 'onStart': noop, 'onCycle': noop, 'onComplete': noop },
          result = map(benches, function(bench) { return bench; });
  
      /**
       * Invokes the method of the current object and if synchronous, fetches the next.
       */
      function execute() {
        var listeners,
            async = isAsync(bench);
  
        if (async) {
          // use `getNext` as the first listener
          bench.on('complete', getNext);
          listeners = bench.events.complete;
          listeners.splice(0, 0, listeners.pop());
        }
        // execute method
        result[index] = isClassOf(bench && bench[name], 'Function') ? bench[name].apply(bench, args) : undefined;
        // if synchronous return true until finished
        return !async && getNext();
      }
  
      /**
       * Fetches the next bench or executes `onComplete` callback.
       */
      function getNext(event) {
        var cycleEvent,
            last = bench,
            async = isAsync(last);
  
        if (async) {
          last.off('complete', getNext);
          last.emit('complete');
        }
        // emit "cycle" event
        eventProps.type = 'cycle';
        eventProps.target = last;
        cycleEvent = Event(eventProps);
        options.onCycle.call(benches, cycleEvent);
  
        // choose next benchmark if not exiting early
        if (!cycleEvent.aborted && raiseIndex() !== false) {
          bench = queued ? benches[0] : result[index];
          if (isAsync(bench)) {
            delay(bench, execute);
          }
          else if (async) {
            // resume execution if previously asynchronous but now synchronous
            while (execute()) { }
          }
          else {
            // continue synchronous execution
            return true;
          }
        } else {
          // emit "complete" event
          eventProps.type = 'complete';
          options.onComplete.call(benches, Event(eventProps));
        }
        // When used as a listener `event.aborted = true` will cancel the rest of
        // the "complete" listeners because they were already called above and when
        // used as part of `getNext` the `return false` will exit the execution while-loop.
        if (event) {
          event.aborted = true;
        } else {
          return false;
        }
      }
  
      /**
       * Checks if invoking `Benchmark#run` with asynchronous cycles.
       */
      function isAsync(object) {
        // avoid using `instanceof` here because of IE memory leak issues with host objects
        var async = args[0] && args[0].async;
        return Object(object).constructor == Benchmark && name == 'run' &&
          ((async == null ? object.options.async : async) && support.timeout || object.defer);
      }
  
      /**
       * Raises `index` to the next defined index or returns `false`.
       */
      function raiseIndex() {
        var length = result.length;
        if (queued) {
          // if queued remove the previous bench and subsequent skipped non-entries
          do {
            ++index > 0 && shift.call(benches);
          } while ((length = benches.length) && !('0' in benches));
        }
        else {
          while (++index < length && !(index in result)) { }
        }
        // if we reached the last index then return `false`
        return (queued ? length : index < length) ? index : (index = false);
      }
  
      // juggle arguments
      if (isClassOf(name, 'String')) {
        // 2 arguments (array, name)
        args = slice.call(arguments, 2);
      } else {
        // 2 arguments (array, options)
        options = extend(options, name);
        name = options.name;
        args = isClassOf(args = 'args' in options ? options.args : [], 'Array') ? args : [args];
        queued = options.queued;
      }
  
      // start iterating over the array
      if (raiseIndex() !== false) {
        // emit "start" event
        bench = result[index];
        eventProps.type = 'start';
        eventProps.target = bench;
        options.onStart.call(benches, Event(eventProps));
  
        // end early if the suite was aborted in an "onStart" listener
        if (benches.aborted && benches.constructor == Suite && name == 'run') {
          // emit "cycle" event
          eventProps.type = 'cycle';
          options.onCycle.call(benches, Event(eventProps));
          // emit "complete" event
          eventProps.type = 'complete';
          options.onComplete.call(benches, Event(eventProps));
        }
        // else start
        else {
          if (isAsync(bench)) {
            delay(bench, execute);
          } else {
            while (execute()) { }
          }
        }
      }
      return result;
    }
  
    /**
     * Creates a string of joined array values or object key-value pairs.
     *
     * @static
     * @memberOf Benchmark
     * @param {Array|Object} object The object to operate on.
     * @param {String} [separator1=','] The separator used between key-value pairs.
     * @param {String} [separator2=': '] The separator used between keys and values.
     * @returns {String} The joined result.
     */
    function join(object, separator1, separator2) {
      var result = [],
          length = (object = Object(object)).length,
          arrayLike = length === length >>> 0;
  
      separator2 || (separator2 = ': ');
      each(object, function(value, key) {
        result.push(arrayLike ? value : key + separator2 + value);
      });
      return result.join(separator1 || ',');
    }
  
    /**
     * A generic `Array#map` like method.
     *
     * @static
     * @memberOf Benchmark
     * @param {Array} array The array to iterate over.
     * @param {Function} callback The function called per iteration.
     * @param {Mixed} thisArg The `this` binding for the callback.
     * @returns {Array} A new array of values returned by the callback.
     */
    function map(array, callback, thisArg) {
      return reduce(array, function(result, value, index) {
        result[index] = callback.call(thisArg, value, index, array);
        return result;
      }, Array(Object(array).length >>> 0));
    }
  
    /**
     * Retrieves the value of a specified property from all items in an array.
     *
     * @static
     * @memberOf Benchmark
     * @param {Array} array The array to iterate over.
     * @param {String} property The property to pluck.
     * @returns {Array} A new array of property values.
     */
    function pluck(array, property) {
      return map(array, function(object) {
        return object == null ? undefined : object[property];
      });
    }
  
    /**
     * A generic `Array#reduce` like method.
     *
     * @static
     * @memberOf Benchmark
     * @param {Array} array The array to iterate over.
     * @param {Function} callback The function called per iteration.
     * @param {Mixed} accumulator Initial value of the accumulator.
     * @returns {Mixed} The accumulator.
     */
    function reduce(array, callback, accumulator) {
      var noaccum = arguments.length < 3;
      forEach(array, function(value, index) {
        accumulator = noaccum ? (noaccum = false, value) : callback(accumulator, value, index, array);
      });
      return accumulator;
    }
  
    /*--------------------------------------------------------------------------*/
  
    /**
     * Aborts all benchmarks in the suite.
     *
     * @name abort
     * @memberOf Benchmark.Suite
     * @returns {Object} The suite instance.
     */
    function abortSuite() {
      var event,
          me = this,
          resetting = calledBy.resetSuite;
  
      if (me.running) {
        event = Event('abort');
        me.emit(event);
        if (!event.cancelled || resetting) {
          // avoid infinite recursion
          calledBy.abortSuite = true;
          me.reset();
          delete calledBy.abortSuite;
  
          if (!resetting) {
            me.aborted = true;
            invoke(me, 'abort');
          }
        }
      }
      return me;
    }
  
    /**
     * Adds a test to the benchmark suite.
     *
     * @memberOf Benchmark.Suite
     * @param {String} name A name to identify the benchmark.
     * @param {Function|String} fn The test to benchmark.
     * @param {Object} [options={}] Options object.
     * @returns {Object} The benchmark instance.
     * @example
     *
     * // basic usage
     * suite.add(fn);
     *
     * // or using a name first
     * suite.add('foo', fn);
     *
     * // or with options
     * suite.add('foo', fn, {
     *   'onCycle': onCycle,
     *   'onComplete': onComplete
     * });
     *
     * // or name and options
     * suite.add('foo', {
     *   'fn': fn,
     *   'onCycle': onCycle,
     *   'onComplete': onComplete
     * });
     *
     * // or options only
     * suite.add({
     *   'name': 'foo',
     *   'fn': fn,
     *   'onCycle': onCycle,
     *   'onComplete': onComplete
     * });
     */
    function add(name, fn, options) {
      var me = this,
          bench = Benchmark(name, fn, options),
          event = Event({ 'type': 'add', 'target': bench });
  
      if (me.emit(event), !event.cancelled) {
        me.push(bench);
      }
      return me;
    }
  
    /**
     * Creates a new suite with cloned benchmarks.
     *
     * @name clone
     * @memberOf Benchmark.Suite
     * @param {Object} options Options object to overwrite cloned options.
     * @returns {Object} The new suite instance.
     */
    function cloneSuite(options) {
      var me = this,
          result = new me.constructor(extend({}, me.options, options));
  
      // copy own properties
      forOwn(me, function(value, key) {
        if (!hasKey(result, key)) {
          result[key] = value && isClassOf(value.clone, 'Function')
            ? value.clone()
            : deepClone(value);
        }
      });
      return result;
    }
  
    /**
     * An `Array#filter` like method.
     *
     * @name filter
     * @memberOf Benchmark.Suite
     * @param {Function|String} callback The function/alias called per iteration.
     * @returns {Object} A new suite of benchmarks that passed callback filter.
     */
    function filterSuite(callback) {
      var me = this,
          result = new me.constructor;
  
      result.push.apply(result, filter(me, callback));
      return result;
    }
  
    /**
     * Resets all benchmarks in the suite.
     *
     * @name reset
     * @memberOf Benchmark.Suite
     * @returns {Object} The suite instance.
     */
    function resetSuite() {
      var event,
          me = this,
          aborting = calledBy.abortSuite;
  
      if (me.running && !aborting) {
        // no worries, `resetSuite()` is called within `abortSuite()`
        calledBy.resetSuite = true;
        me.abort();
        delete calledBy.resetSuite;
      }
      // reset if the state has changed
      else if ((me.aborted || me.running) &&
          (me.emit(event = Event('reset')), !event.cancelled)) {
        me.running = false;
        if (!aborting) {
          invoke(me, 'reset');
        }
      }
      return me;
    }
  
    /**
     * Runs the suite.
     *
     * @name run
     * @memberOf Benchmark.Suite
     * @param {Object} [options={}] Options object.
     * @returns {Object} The suite instance.
     * @example
     *
     * // basic usage
     * suite.run();
     *
     * // or with options
     * suite.run({ 'async': true, 'queued': true });
     */
    function runSuite(options) {
      var me = this;
  
      me.reset();
      me.running = true;
      options || (options = {});
  
      invoke(me, {
        'name': 'run',
        'args': options,
        'queued': options.queued,
        'onStart': function(event) {
          me.emit(event);
        },
        'onCycle': function(event) {
          var bench = event.target;
          if (bench.error) {
            me.emit({ 'type': 'error', 'target': bench });
          }
          me.emit(event);
          event.aborted = me.aborted;
        },
        'onComplete': function(event) {
          me.score = getGeometricMean(map(me, function(bench) {
            return bench.reference / (bench.times.period * 1e6);
          })) || 0;
  
          me.running = false;
          me.emit(event);
        }
      });
      return me;
    }
  
    /*--------------------------------------------------------------------------*/
  
    /**
     * Executes all registered listeners of the specified event type.
     *
     * @memberOf Benchmark, Benchmark.Suite
     * @param {String|Object} type The event type or object.
     * @returns {Mixed} Returns the return value of the last listener executed.
     */
    function emit(type) {
      var listeners,
          me = this,
          event = Event(type),
          events = me.events,
          args = (arguments[0] = event, arguments);
  
      event.currentTarget || (event.currentTarget = me);
      event.target || (event.target = me);
      delete event.result;
  
      if (events && (listeners = hasKey(events, event.type) && events[event.type])) {
        forEach(listeners.slice(), function(listener) {
          if ((event.result = listener.apply(me, args)) === false) {
            event.cancelled = true;
          }
          return !event.aborted;
        });
      }
      return event.result;
    }
  
    /**
     * Returns an array of event listeners for a given type that can be manipulated
     * to add or remove listeners.
     *
     * @memberOf Benchmark, Benchmark.Suite
     * @param {String} type The event type.
     * @returns {Array} The listeners array.
     */
    function listeners(type) {
      var me = this,
          events = me.events || (me.events = {});
  
      return hasKey(events, type) ? events[type] : (events[type] = []);
    }
  
    /**
     * Unregisters a listener for the specified event type(s),
     * or unregisters all listeners for the specified event type(s),
     * or unregisters all listeners for all event types.
     *
     * @memberOf Benchmark, Benchmark.Suite
     * @param {String} [type] The event type.
     * @param {Function} [listener] The function to unregister.
     * @returns {Object} The benchmark instance.
     * @example
     *
     * // unregister a listener for an event type
     * bench.off('cycle', listener);
     *
     * // unregister a listener for multiple event types
     * bench.off('start cycle', listener);
     *
     * // unregister all listeners for an event type
     * bench.off('cycle');
     *
     * // unregister all listeners for multiple event types
     * bench.off('start cycle complete');
     *
     * // unregister all listeners for all event types
     * bench.off();
     */
    function off(type, listener) {
      var me = this,
          events = me.events;
  
      events && each(type ? type.split(' ') : events, function(listeners, type) {
        var index;
        if (typeof listeners == 'string') {
          type = listeners;
          listeners = hasKey(events, type) && events[type];
        }
        if (listeners) {
          if (listener) {
            index = indexOf(listeners, listener);
            if (index > -1) {
              listeners.splice(index, 1);
            }
          } else {
            listeners.length = 0;
          }
        }
      });
      return me;
    }
  
    /**
     * Registers a listener for the specified event type(s).
     *
     * @memberOf Benchmark, Benchmark.Suite
     * @param {String} type The event type.
     * @param {Function} listener The function to register.
     * @returns {Object} The benchmark instance.
     * @example
     *
     * // register a listener for an event type
     * bench.on('cycle', listener);
     *
     * // register a listener for multiple event types
     * bench.on('start cycle', listener);
     */
    function on(type, listener) {
      var me = this,
          events = me.events || (me.events = {});
  
      forEach(type.split(' '), function(type) {
        (hasKey(events, type)
          ? events[type]
          : (events[type] = [])
        ).push(listener);
      });
      return me;
    }
  
    /*--------------------------------------------------------------------------*/
  
    /**
     * Aborts the benchmark without recording times.
     *
     * @memberOf Benchmark
     * @returns {Object} The benchmark instance.
     */
    function abort() {
      var event,
          me = this,
          resetting = calledBy.reset;
  
      if (me.running) {
        event = Event('abort');
        me.emit(event);
        if (!event.cancelled || resetting) {
          // avoid infinite recursion
          calledBy.abort = true;
          me.reset();
          delete calledBy.abort;
  
          if (support.timeout) {
            clearTimeout(me._timerId);
            delete me._timerId;
          }
          if (!resetting) {
            me.aborted = true;
            me.running = false;
          }
        }
      }
      return me;
    }
  
    /**
     * Creates a new benchmark using the same test and options.
     *
     * @memberOf Benchmark
     * @param {Object} options Options object to overwrite cloned options.
     * @returns {Object} The new benchmark instance.
     * @example
     *
     * var bizarro = bench.clone({
     *   'name': 'doppelganger'
     * });
     */
    function clone(options) {
      var me = this,
          result = new me.constructor(extend({}, me, options));
  
      // correct the `options` object
      result.options = extend({}, me.options, options);
  
      // copy own custom properties
      forOwn(me, function(value, key) {
        if (!hasKey(result, key)) {
          result[key] = deepClone(value);
        }
      });
      return result;
    }
  
    /**
     * Determines if a benchmark is faster than another.
     *
     * @memberOf Benchmark
     * @param {Object} other The benchmark to compare.
     * @returns {Number} Returns `-1` if slower, `1` if faster, and `0` if indeterminate.
     */
    function compare(other) {
      var critical,
          zStat,
          me = this,
          sample1 = me.stats.sample,
          sample2 = other.stats.sample,
          size1 = sample1.length,
          size2 = sample2.length,
          maxSize = max(size1, size2),
          minSize = min(size1, size2),
          u1 = getU(sample1, sample2),
          u2 = getU(sample2, sample1),
          u = min(u1, u2);
  
      function getScore(xA, sampleB) {
        return reduce(sampleB, function(total, xB) {
          return total + (xB > xA ? 0 : xB < xA ? 1 : 0.5);
        }, 0);
      }
  
      function getU(sampleA, sampleB) {
        return reduce(sampleA, function(total, xA) {
          return total + getScore(xA, sampleB);
        }, 0);
      }
  
      function getZ(u) {
        return (u - ((size1 * size2) / 2)) / sqrt((size1 * size2 * (size1 + size2 + 1)) / 12);
      }
  
      // exit early if comparing the same benchmark
      if (me == other) {
        return 0;
      }
      // reject the null hyphothesis the two samples come from the
      // same population (i.e. have the same median) if...
      if (size1 + size2 > 30) {
        // ...the z-stat is greater than 1.96 or less than -1.96
        // http://www.statisticslectures.com/topics/mannwhitneyu/
        zStat = getZ(u);
        return abs(zStat) > 1.96 ? (zStat > 0 ? -1 : 1) : 0;
      }
      // ...the U value is less than or equal the critical U value
      // http://www.geoib.com/mann-whitney-u-test.html
      critical = maxSize < 5 || minSize < 3 ? 0 : uTable[maxSize][minSize - 3];
      return u <= critical ? (u == u1 ? 1 : -1) : 0;
    }
  
    /**
     * Reset properties and abort if running.
     *
     * @memberOf Benchmark
     * @returns {Object} The benchmark instance.
     */
    function reset() {
      var data,
          event,
          me = this,
          index = 0,
          changes = { 'length': 0 },
          queue = { 'length': 0 };
  
      if (me.running && !calledBy.abort) {
        // no worries, `reset()` is called within `abort()`
        calledBy.reset = true;
        me.abort();
        delete calledBy.reset;
      }
      else {
        // a non-recursive solution to check if properties have changed
        // http://www.jslab.dk/articles/non.recursive.preorder.traversal.part4
        data = { 'destination': me, 'source': extend({}, me.constructor.prototype, me.options) };
        do {
          forOwn(data.source, function(value, key) {
            var changed,
                destination = data.destination,
                currValue = destination[key];
  
            if (value && typeof value == 'object') {
              if (isClassOf(value, 'Array')) {
                // check if an array value has changed to a non-array value
                if (!isClassOf(currValue, 'Array')) {
                  changed = currValue = [];
                }
                // or has changed its length
                if (currValue.length != value.length) {
                  changed = currValue = currValue.slice(0, value.length);
                  currValue.length = value.length;
                }
              }
              // check if an object has changed to a non-object value
              else if (!currValue || typeof currValue != 'object') {
                changed = currValue = {};
              }
              // register a changed object
              if (changed) {
                changes[changes.length++] = { 'destination': destination, 'key': key, 'value': currValue };
              }
              queue[queue.length++] = { 'destination': currValue, 'source': value };
            }
            // register a changed primitive
            else if (value !== currValue && !(value == null || isClassOf(value, 'Function'))) {
              changes[changes.length++] = { 'destination': destination, 'key': key, 'value': value };
            }
          });
        }
        while ((data = queue[index++]));
  
        // if changed emit the `reset` event and if it isn't cancelled reset the benchmark
        if (changes.length && (me.emit(event = Event('reset')), !event.cancelled)) {
          forEach(changes, function(data) {
            data.destination[data.key] = data.value;
          });
        }
      }
      return me;
    }
  
    /**
     * Displays relevant benchmark information when coerced to a string.
     *
     * @name toString
     * @memberOf Benchmark
     * @returns {String} A string representation of the benchmark instance.
     */
    function toStringBench() {
      var me = this,
          error = me.error,
          hz = me.hz,
          id = me.id,
          stats = me.stats,
          size = stats.sample.length,
          pm = support.java ? '+/-' : '\xb1',
          result = me.name || (isNaN(id) ? id : '<Test #' + id + '>');
  
      if (error) {
        result += ': ' + join(error);
      } else {
        result += ' x ' + formatNumber(hz.toFixed(hz < 100 ? 2 : 0)) + ' ops/sec ' + pm +
          stats.rme.toFixed(2) + '% (' + size + ' run' + (size == 1 ? '' : 's') + ' sampled)';
      }
      return result;
    }
  
    /*--------------------------------------------------------------------------*/
  
    /**
     * Clocks the time taken to execute a test per cycle (secs).
     *
     * @private
     * @param {Object} bench The benchmark instance.
     * @returns {Number} The time taken.
     */
    function clock() {
      var applet,
          options = Benchmark.options,
          template = { 'begin': 's$=new n$', 'end': 'r$=(new n$-s$)/1e3', 'uid': uid },
          timers = [{ 'ns': timer.ns, 'res': max(0.0015, getRes('ms')), 'unit': 'ms' }];
  
      // lazy define for hi-res timers
      clock = function(clone) {
        var deferred;
        if (clone instanceof Deferred) {
          deferred = clone;
          clone = deferred.benchmark;
        }
  
        var bench = clone._original,
            fn = bench.fn,
            fnArg = deferred ? getFirstArgument(fn) || 'deferred' : '',
            stringable = isStringable(fn);
  
        var source = {
          'setup': getSource(bench.setup, preprocess('m$.setup()')),
          'fn': getSource(fn, preprocess('m$.fn(' + fnArg + ')')),
          'fnArg': fnArg,
          'teardown': getSource(bench.teardown, preprocess('m$.teardown()'))
        };
  
        var count = bench.count = clone.count,
            decompilable = support.decompilation || stringable,
            id = bench.id,
            isEmpty = !(source.fn || stringable),
            name = bench.name || (typeof id == 'number' ? '<Test #' + id + '>' : id),
            ns = timer.ns,
            result = 0;
  
        // init `minTime` if needed
        clone.minTime = bench.minTime || (bench.minTime = bench.options.minTime = options.minTime);
  
        // repair nanosecond timer
        // (some Chrome builds erase the `ns` variable after millions of executions)
        if (applet) {
          try {
            ns.nanoTime();
          } catch(e) {
            // use non-element to avoid issues with libs that augment them
            ns = timer.ns = new applet.Packages.nano;
          }
        }
  
        // Compile in setup/teardown functions and the test loop.
        // Create a new compiled test, instead of using the cached `bench.compiled`,
        // to avoid potential engine optimizations enabled over the life of the test.
        var compiled = bench.compiled = createFunction(preprocess('t$'), interpolate(
          preprocess(deferred
            ? 'var d$=this,#{fnArg}=d$,m$=d$.benchmark._original,f$=m$.fn,su$=m$.setup,td$=m$.teardown;' +
              // when `deferred.cycles` is `0` then...
              'if(!d$.cycles){' +
              // set `deferred.fn`
              'd$.fn=function(){var #{fnArg}=d$;if(typeof f$=="function"){try{#{fn}\n}catch(e$){f$(d$)}}else{#{fn}\n}};' +
              // set `deferred.teardown`
              'd$.teardown=function(){d$.cycles=0;if(typeof td$=="function"){try{#{teardown}\n}catch(e$){td$()}}else{#{teardown}\n}};' +
              // execute the benchmark's `setup`
              'if(typeof su$=="function"){try{#{setup}\n}catch(e$){su$()}}else{#{setup}\n};' +
              // start timer
              't$.start(d$);' +
              // execute `deferred.fn` and return a dummy object
              '}d$.fn();return{}'
  
            : 'var r$,s$,m$=this,f$=m$.fn,i$=m$.count,n$=t$.ns;#{setup}\n#{begin};' +
              'while(i$--){#{fn}\n}#{end};#{teardown}\nreturn{elapsed:r$,uid:"#{uid}"}'),
          source
        ));
  
        try {
          if (isEmpty) {
            // Firefox may remove dead code from Function#toString results
            // http://bugzil.la/536085
            throw new Error('The test "' + name + '" is empty. This may be the result of dead code removal.');
          }
          else if (!deferred) {
            // pretest to determine if compiled code is exits early, usually by a
            // rogue `return` statement, by checking for a return object with the uid
            bench.count = 1;
            compiled = (compiled.call(bench, timer) || {}).uid == uid && compiled;
            bench.count = count;
          }
        } catch(e) {
          compiled = null;
          clone.error = e || new Error(String(e));
          bench.count = count;
        }
        // fallback when a test exits early or errors during pretest
        if (decompilable && !compiled && !deferred && !isEmpty) {
          compiled = createFunction(preprocess('t$'), interpolate(
            preprocess(
              (clone.error && !stringable
                ? 'var r$,s$,m$=this,f$=m$.fn,i$=m$.count'
                : 'function f$(){#{fn}\n}var r$,s$,m$=this,i$=m$.count'
              ) +
              ',n$=t$.ns;#{setup}\n#{begin};m$.f$=f$;while(i$--){m$.f$()}#{end};' +
              'delete m$.f$;#{teardown}\nreturn{elapsed:r$}'
            ),
            source
          ));
  
          try {
            // pretest one more time to check for errors
            bench.count = 1;
            compiled.call(bench, timer);
            bench.compiled = compiled;
            bench.count = count;
            delete clone.error;
          }
          catch(e) {
            bench.count = count;
            if (clone.error) {
              compiled = null;
            } else {
              bench.compiled = compiled;
              clone.error = e || new Error(String(e));
            }
          }
        }
        // assign `compiled` to `clone` before calling in case a deferred benchmark
        // immediately calls `deferred.resolve()`
        clone.compiled = compiled;
        // if no errors run the full test loop
        if (!clone.error) {
          result = compiled.call(deferred || bench, timer).elapsed;
        }
        return result;
      };
  
      /*------------------------------------------------------------------------*/
  
      /**
       * Gets the current timer's minimum resolution (secs).
       */
      function getRes(unit) {
        var measured,
            begin,
            count = 30,
            divisor = 1e3,
            ns = timer.ns,
            sample = [];
  
        // get average smallest measurable time
        while (count--) {
          if (unit == 'us') {
            divisor = 1e6;
            if (ns.stop) {
              ns.start();
              while (!(measured = ns.microseconds())) { }
            } else if (ns[perfName]) {
              divisor = 1e3;
              measured = Function('n', 'var r,s=n.' + perfName + '();while(!(r=n.' + perfName + '()-s)){};return r')(ns);
            } else {
              begin = ns();
              while (!(measured = ns() - begin)) { }
            }
          }
          else if (unit == 'ns') {
            divisor = 1e9;
            if (ns.nanoTime) {
              begin = ns.nanoTime();
              while (!(measured = ns.nanoTime() - begin)) { }
            } else {
              begin = (begin = ns())[0] + (begin[1] / divisor);
              while (!(measured = ((measured = ns())[0] + (measured[1] / divisor)) - begin)) { }
              divisor = 1;
            }
          }
          else {
            begin = new ns;
            while (!(measured = new ns - begin)) { }
          }
          // check for broken timers (nanoTime may have issues)
          // http://alivebutsleepy.srnet.cz/unreliable-system-nanotime/
          if (measured > 0) {
            sample.push(measured);
          } else {
            sample.push(Infinity);
            break;
          }
        }
        // convert to seconds
        return getMean(sample) / divisor;
      }
  
      /**
       * Replaces all occurrences of `$` with a unique number and
       * template tokens with content.
       */
      function preprocess(code) {
        return interpolate(code, template).replace(/\$/g, /\d+/.exec(uid));
      }
  
      /*------------------------------------------------------------------------*/
  
      // detect nanosecond support from a Java applet
      each(doc && doc.applets || [], function(element) {
        return !(timer.ns = applet = 'nanoTime' in element && element);
      });
  
      // check type in case Safari returns an object instead of a number
      try {
        if (typeof timer.ns.nanoTime() == 'number') {
          timers.push({ 'ns': timer.ns, 'res': getRes('ns'), 'unit': 'ns' });
        }
      } catch(e) { }
  
      // detect Chrome's microsecond timer:
      // enable benchmarking via the --enable-benchmarking command
      // line switch in at least Chrome 7 to use chrome.Interval
      try {
        if ((timer.ns = new (window.chrome || window.chromium).Interval)) {
          timers.push({ 'ns': timer.ns, 'res': getRes('us'), 'unit': 'us' });
        }
      } catch(e) { }
  
      // detect `performance.now` microsecond resolution timer
      if ((timer.ns = perfName && perfObject)) {
        timers.push({ 'ns': timer.ns, 'res': getRes('us'), 'unit': 'us' });
      }
  
      // detect Node's nanosecond resolution timer available in Node >= 0.8
      if (processObject && typeof (timer.ns = processObject.hrtime) == 'function') {
        timers.push({ 'ns': timer.ns, 'res': getRes('ns'), 'unit': 'ns' });
      }
  
      // detect Wade Simmons' Node microtime module
      if (microtimeObject && typeof (timer.ns = microtimeObject.now) == 'function') {
        timers.push({ 'ns': timer.ns,  'res': getRes('us'), 'unit': 'us' });
      }
  
      // pick timer with highest resolution
      timer = reduce(timers, function(timer, other) {
        return other.res < timer.res ? other : timer;
      });
  
      // remove unused applet
      if (timer.unit != 'ns' && applet) {
        applet = destroyElement(applet);
      }
      // error if there are no working timers
      if (timer.res == Infinity) {
        throw new Error('Benchmark.js was unable to find a working timer.');
      }
      // use API of chosen timer
      if (timer.unit == 'ns') {
        if (timer.ns.nanoTime) {
          extend(template, {
            'begin': 's$=n$.nanoTime()',
            'end': 'r$=(n$.nanoTime()-s$)/1e9'
          });
        } else {
          extend(template, {
            'begin': 's$=n$()',
            'end': 'r$=n$(s$);r$=r$[0]+(r$[1]/1e9)'
          });
        }
      }
      else if (timer.unit == 'us') {
        if (timer.ns.stop) {
          extend(template, {
            'begin': 's$=n$.start()',
            'end': 'r$=n$.microseconds()/1e6'
          });
        } else if (perfName) {
          extend(template, {
            'begin': 's$=n$.' + perfName + '()',
            'end': 'r$=(n$.' + perfName + '()-s$)/1e3'
          });
        } else {
          extend(template, {
            'begin': 's$=n$()',
            'end': 'r$=(n$()-s$)/1e6'
          });
        }
      }
  
      // define `timer` methods
      timer.start = createFunction(preprocess('o$'),
        preprocess('var n$=this.ns,#{begin};o$.elapsed=0;o$.timeStamp=s$'));
  
      timer.stop = createFunction(preprocess('o$'),
        preprocess('var n$=this.ns,s$=o$.timeStamp,#{end};o$.elapsed=r$'));
  
      // resolve time span required to achieve a percent uncertainty of at most 1%
      // http://spiff.rit.edu/classes/phys273/uncert/uncert.html
      options.minTime || (options.minTime = max(timer.res / 2 / 0.01, 0.05));
      return clock.apply(null, arguments);
    }
  
    /*--------------------------------------------------------------------------*/
  
    /**
     * Computes stats on benchmark results.
     *
     * @private
     * @param {Object} bench The benchmark instance.
     * @param {Object} options The options object.
     */
    function compute(bench, options) {
      options || (options = {});
  
      var async = options.async,
          elapsed = 0,
          initCount = bench.initCount,
          minSamples = bench.minSamples,
          queue = [],
          sample = bench.stats.sample;
  
      /**
       * Adds a clone to the queue.
       */
      function enqueue() {
        queue.push(bench.clone({
          '_original': bench,
          'events': {
            'abort': [update],
            'cycle': [update],
            'error': [update],
            'start': [update]
          }
        }));
      }
  
      /**
       * Updates the clone/original benchmarks to keep their data in sync.
       */
      function update(event) {
        var clone = this,
            type = event.type;
  
        if (bench.running) {
          if (type == 'start') {
            // Note: `clone.minTime` prop is inited in `clock()`
            clone.count = bench.initCount;
          }
          else {
            if (type == 'error') {
              bench.error = clone.error;
            }
            if (type == 'abort') {
              bench.abort();
              bench.emit('cycle');
            } else {
              event.currentTarget = event.target = bench;
              bench.emit(event);
            }
          }
        } else if (bench.aborted) {
          // clear abort listeners to avoid triggering bench's abort/cycle again
          clone.events.abort.length = 0;
          clone.abort();
        }
      }
  
      /**
       * Determines if more clones should be queued or if cycling should stop.
       */
      function evaluate(event) {
        var critical,
            df,
            mean,
            moe,
            rme,
            sd,
            sem,
            variance,
            clone = event.target,
            done = bench.aborted,
            now = +new Date,
            size = sample.push(clone.times.period),
            maxedOut = size >= minSamples && (elapsed += now - clone.times.timeStamp) / 1e3 > bench.maxTime,
            times = bench.times,
            varOf = function(sum, x) { return sum + pow(x - mean, 2); };
  
        // exit early for aborted or unclockable tests
        if (done || clone.hz == Infinity) {
          maxedOut = !(size = sample.length = queue.length = 0);
        }
  
        if (!done) {
          // sample mean (estimate of the population mean)
          mean = getMean(sample);
          // sample variance (estimate of the population variance)
          variance = reduce(sample, varOf, 0) / (size - 1) || 0;
          // sample standard deviation (estimate of the population standard deviation)
          sd = sqrt(variance);
          // standard error of the mean (a.k.a. the standard deviation of the sampling distribution of the sample mean)
          sem = sd / sqrt(size);
          // degrees of freedom
          df = size - 1;
          // critical value
          critical = tTable[Math.round(df) || 1] || tTable.infinity;
          // margin of error
          moe = sem * critical;
          // relative margin of error
          rme = (moe / mean) * 100 || 0;
  
          extend(bench.stats, {
            'deviation': sd,
            'mean': mean,
            'moe': moe,
            'rme': rme,
            'sem': sem,
            'variance': variance
          });
  
          // Abort the cycle loop when the minimum sample size has been collected
          // and the elapsed time exceeds the maximum time allowed per benchmark.
          // We don't count cycle delays toward the max time because delays may be
          // increased by browsers that clamp timeouts for inactive tabs.
          // https://developer.mozilla.org/en/window.setTimeout#Inactive_tabs
          if (maxedOut) {
            // reset the `initCount` in case the benchmark is rerun
            bench.initCount = initCount;
            bench.running = false;
            done = true;
            times.elapsed = (now - times.timeStamp) / 1e3;
          }
          if (bench.hz != Infinity) {
            bench.hz = 1 / mean;
            times.cycle = mean * bench.count;
            times.period = mean;
          }
        }
        // if time permits, increase sample size to reduce the margin of error
        if (queue.length < 2 && !maxedOut) {
          enqueue();
        }
        // abort the invoke cycle when done
        event.aborted = done;
      }
  
      // init queue and begin
      enqueue();
      invoke(queue, {
        'name': 'run',
        'args': { 'async': async },
        'queued': true,
        'onCycle': evaluate,
        'onComplete': function() { bench.emit('complete'); }
      });
    }
  
    /*--------------------------------------------------------------------------*/
  
    /**
     * Cycles a benchmark until a run `count` can be established.
     *
     * @private
     * @param {Object} clone The cloned benchmark instance.
     * @param {Object} options The options object.
     */
    function cycle(clone, options) {
      options || (options = {});
  
      var deferred;
      if (clone instanceof Deferred) {
        deferred = clone;
        clone = clone.benchmark;
      }
  
      var clocked,
          cycles,
          divisor,
          event,
          minTime,
          period,
          async = options.async,
          bench = clone._original,
          count = clone.count,
          times = clone.times;
  
      // continue, if not aborted between cycles
      if (clone.running) {
        // `minTime` is set to `Benchmark.options.minTime` in `clock()`
        cycles = ++clone.cycles;
        clocked = deferred ? deferred.elapsed : clock(clone);
        minTime = clone.minTime;
  
        if (cycles > bench.cycles) {
          bench.cycles = cycles;
        }
        if (clone.error) {
          event = Event('error');
          event.message = clone.error;
          clone.emit(event);
          if (!event.cancelled) {
            clone.abort();
          }
        }
      }
  
      // continue, if not errored
      if (clone.running) {
        // time taken to complete last test cycle
        bench.times.cycle = times.cycle = clocked;
        // seconds per operation
        period = bench.times.period = times.period = clocked / count;
        // ops per second
        bench.hz = clone.hz = 1 / period;
        // avoid working our way up to this next time
        bench.initCount = clone.initCount = count;
        // do we need to do another cycle?
        clone.running = clocked < minTime;
  
        if (clone.running) {
          // tests may clock at `0` when `initCount` is a small number,
          // to avoid that we set its count to something a bit higher
          if (!clocked && (divisor = divisors[clone.cycles]) != null) {
            count = floor(4e6 / divisor);
          }
          // calculate how many more iterations it will take to achive the `minTime`
          if (count <= clone.count) {
            count += Math.ceil((minTime - clocked) / period);
          }
          clone.running = count != Infinity;
        }
      }
      // should we exit early?
      event = Event('cycle');
      clone.emit(event);
      if (event.aborted) {
        clone.abort();
      }
      // figure out what to do next
      if (clone.running) {
        // start a new cycle
        clone.count = count;
        if (deferred) {
          clone.compiled.call(deferred, timer);
        } else if (async) {
          delay(clone, function() { cycle(clone, options); });
        } else {
          cycle(clone);
        }
      }
      else {
        // fix TraceMonkey bug associated with clock fallbacks
        // http://bugzil.la/509069
        if (support.browser) {
          runScript(uid + '=1;delete ' + uid);
        }
        // done
        clone.emit('complete');
      }
    }
  
    /*--------------------------------------------------------------------------*/
  
    /**
     * Runs the benchmark.
     *
     * @memberOf Benchmark
     * @param {Object} [options={}] Options object.
     * @returns {Object} The benchmark instance.
     * @example
     *
     * // basic usage
     * bench.run();
     *
     * // or with options
     * bench.run({ 'async': true });
     */
    function run(options) {
      var me = this,
          event = Event('start');
  
      // set `running` to `false` so `reset()` won't call `abort()`
      me.running = false;
      me.reset();
      me.running = true;
  
      me.count = me.initCount;
      me.times.timeStamp = +new Date;
      me.emit(event);
  
      if (!event.cancelled) {
        options = { 'async': ((options = options && options.async) == null ? me.async : options) && support.timeout };
  
        // for clones created within `compute()`
        if (me._original) {
          if (me.defer) {
            Deferred(me);
          } else {
            cycle(me, options);
          }
        }
        // for original benchmarks
        else {
          compute(me, options);
        }
      }
      return me;
    }
  
    /*--------------------------------------------------------------------------*/
  
    // Firefox 1 erroneously defines variable and argument names of functions on
    // the function itself as non-configurable properties with `undefined` values.
    // The bugginess continues as the `Benchmark` constructor has an argument
    // named `options` and Firefox 1 will not assign a value to `Benchmark.options`,
    // making it non-writable in the process, unless it is the first property
    // assigned by for-in loop of `extend()`.
    extend(Benchmark, {
  
      /**
       * The default options copied by benchmark instances.
       *
       * @static
       * @memberOf Benchmark
       * @type Object
       */
      'options': {
  
        /**
         * A flag to indicate that benchmark cycles will execute asynchronously
         * by default.
         *
         * @memberOf Benchmark.options
         * @type Boolean
         */
        'async': false,
  
        /**
         * A flag to indicate that the benchmark clock is deferred.
         *
         * @memberOf Benchmark.options
         * @type Boolean
         */
        'defer': false,
  
        /**
         * The delay between test cycles (secs).
         * @memberOf Benchmark.options
         * @type Number
         */
        'delay': 0.005,
  
        /**
         * Displayed by Benchmark#toString when a `name` is not available
         * (auto-generated if absent).
         *
         * @memberOf Benchmark.options
         * @type String
         */
        'id': undefined,
  
        /**
         * The default number of times to execute a test on a benchmark's first cycle.
         *
         * @memberOf Benchmark.options
         * @type Number
         */
        'initCount': 1,
  
        /**
         * The maximum time a benchmark is allowed to run before finishing (secs).
         *
         * Note: Cycle delays aren't counted toward the maximum time.
         *
         * @memberOf Benchmark.options
         * @type Number
         */
        'maxTime': 5,
  
        /**
         * The minimum sample size required to perform statistical analysis.
         *
         * @memberOf Benchmark.options
         * @type Number
         */
        'minSamples': 5,
  
        /**
         * The time needed to reduce the percent uncertainty of measurement to 1% (secs).
         *
         * @memberOf Benchmark.options
         * @type Number
         */
        'minTime': 0,
  
        /**
         * The name of the benchmark.
         *
         * @memberOf Benchmark.options
         * @type String
         */
        'name': undefined,
  
        /**
         * An event listener called when the benchmark is aborted.
         *
         * @memberOf Benchmark.options
         * @type Function
         */
        'onAbort': undefined,
  
        /**
         * An event listener called when the benchmark completes running.
         *
         * @memberOf Benchmark.options
         * @type Function
         */
        'onComplete': undefined,
  
        /**
         * An event listener called after each run cycle.
         *
         * @memberOf Benchmark.options
         * @type Function
         */
        'onCycle': undefined,
  
        /**
         * An event listener called when a test errors.
         *
         * @memberOf Benchmark.options
         * @type Function
         */
        'onError': undefined,
  
        /**
         * An event listener called when the benchmark is reset.
         *
         * @memberOf Benchmark.options
         * @type Function
         */
        'onReset': undefined,
  
        /**
         * An event listener called when the benchmark starts running.
         *
         * @memberOf Benchmark.options
         * @type Function
         */
        'onStart': undefined,
  
        /**
         * The reference time taken to execute the test once (usecs).
         *
         * @memberOf Benchmark.options
         * @type Number
         */
        'reference': 0
      },
  
      /**
       * Platform object with properties describing things like browser name,
       * version, and operating system.
       *
       * @static
       * @memberOf Benchmark
       * @type Object
       */
      'platform': req('platform') || window.platform || {
  
        /**
         * The platform description.
         *
         * @memberOf Benchmark.platform
         * @type String
         */
        'description': window.navigator && navigator.userAgent || null,
  
        /**
         * The name of the browser layout engine.
         *
         * @memberOf Benchmark.platform
         * @type String|Null
         */
        'layout': null,
  
        /**
         * The name of the product hosting the browser.
         *
         * @memberOf Benchmark.platform
         * @type String|Null
         */
        'product': null,
  
        /**
         * The name of the browser/environment.
         *
         * @memberOf Benchmark.platform
         * @type String|Null
         */
        'name': null,
  
        /**
         * The name of the product's manufacturer.
         *
         * @memberOf Benchmark.platform
         * @type String|Null
         */
        'manufacturer': null,
  
        /**
         * The name of the operating system.
         *
         * @memberOf Benchmark.platform
         * @type String|Null
         */
        'os': null,
  
        /**
         * The alpha/beta release indicator.
         *
         * @memberOf Benchmark.platform
         * @type String|Null
         */
        'prerelease': null,
  
        /**
         * The browser/environment version.
         *
         * @memberOf Benchmark.platform
         * @type String|Null
         */
        'version': null,
  
        /**
         * Return platform description when the platform object is coerced to a string.
         *
         * @memberOf Benchmark.platform
         * @type Function
         * @returns {String} The platform description.
         */
        'toString': function() {
          return this.description || '';
        }
      },
  
      /**
       * The semantic version number.
       *
       * @static
       * @memberOf Benchmark
       * @type String
       */
      'version': '1.0.0',
  
      // an object of environment/feature detection flags
      'support': support,
  
      // clone objects
      'deepClone': deepClone,
  
      // iteration utility
      'each': each,
  
      // augment objects
      'extend': extend,
  
      // generic Array#filter
      'filter': filter,
  
      // generic Array#forEach
      'forEach': forEach,
  
      // generic own property iteration utility
      'forOwn': forOwn,
  
      // converts a number to a comma-separated string
      'formatNumber': formatNumber,
  
      // generic Object#hasOwnProperty
      // (trigger hasKey's lazy define before assigning it to Benchmark)
      'hasKey': (hasKey(Benchmark, ''), hasKey),
  
      // generic Array#indexOf
      'indexOf': indexOf,
  
      // template utility
      'interpolate': interpolate,
  
      // invokes a method on each item in an array
      'invoke': invoke,
  
      // generic Array#join for arrays and objects
      'join': join,
  
      // generic Array#map
      'map': map,
  
      // retrieves a property value from each item in an array
      'pluck': pluck,
  
      // generic Array#reduce
      'reduce': reduce
    });
  
    /*--------------------------------------------------------------------------*/
  
    extend(Benchmark.prototype, {
  
      /**
       * The number of times a test was executed.
       *
       * @memberOf Benchmark
       * @type Number
       */
      'count': 0,
  
      /**
       * The number of cycles performed while benchmarking.
       *
       * @memberOf Benchmark
       * @type Number
       */
      'cycles': 0,
  
      /**
       * The number of executions per second.
       *
       * @memberOf Benchmark
       * @type Number
       */
      'hz': 0,
  
      /**
       * The compiled test function.
       *
       * @memberOf Benchmark
       * @type Function|String
       */
      'compiled': undefined,
  
      /**
       * The error object if the test failed.
       *
       * @memberOf Benchmark
       * @type Object
       */
      'error': undefined,
  
      /**
       * The test to benchmark.
       *
       * @memberOf Benchmark
       * @type Function|String
       */
      'fn': undefined,
  
      /**
       * A flag to indicate if the benchmark is aborted.
       *
       * @memberOf Benchmark
       * @type Boolean
       */
      'aborted': false,
  
      /**
       * A flag to indicate if the benchmark is running.
       *
       * @memberOf Benchmark
       * @type Boolean
       */
      'running': false,
  
      /**
       * Compiled into the test and executed immediately **before** the test loop.
       *
       * @memberOf Benchmark
       * @type Function|String
       * @example
       *
       * // basic usage
       * var bench = Benchmark({
       *   'setup': function() {
       *     var c = this.count,
       *         element = document.getElementById('container');
       *     while (c--) {
       *       element.appendChild(document.createElement('div'));
       *     }
       *   },
       *   'fn': function() {
       *     element.removeChild(element.lastChild);
       *   }
       * });
       *
       * // compiles to something like:
       * var c = this.count,
       *     element = document.getElementById('container');
       * while (c--) {
       *   element.appendChild(document.createElement('div'));
       * }
       * var start = new Date;
       * while (count--) {
       *   element.removeChild(element.lastChild);
       * }
       * var end = new Date - start;
       *
       * // or using strings
       * var bench = Benchmark({
       *   'setup': '\
       *     var a = 0;\n\
       *     (function() {\n\
       *       (function() {\n\
       *         (function() {',
       *   'fn': 'a += 1;',
       *   'teardown': '\
       *          }())\n\
       *        }())\n\
       *      }())'
       * });
       *
       * // compiles to something like:
       * var a = 0;
       * (function() {
       *   (function() {
       *     (function() {
       *       var start = new Date;
       *       while (count--) {
       *         a += 1;
       *       }
       *       var end = new Date - start;
       *     }())
       *   }())
       * }())
       */
      'setup': noop,
  
      /**
       * Compiled into the test and executed immediately **after** the test loop.
       *
       * @memberOf Benchmark
       * @type Function|String
       */
      'teardown': noop,
  
      /**
       * An object of stats including mean, margin or error, and standard deviation.
       *
       * @memberOf Benchmark
       * @type Object
       */
      'stats': {
  
        /**
         * The margin of error.
         *
         * @memberOf Benchmark#stats
         * @type Number
         */
        'moe': 0,
  
        /**
         * The relative margin of error (expressed as a percentage of the mean).
         *
         * @memberOf Benchmark#stats
         * @type Number
         */
        'rme': 0,
  
        /**
         * The standard error of the mean.
         *
         * @memberOf Benchmark#stats
         * @type Number
         */
        'sem': 0,
  
        /**
         * The sample standard deviation.
         *
         * @memberOf Benchmark#stats
         * @type Number
         */
        'deviation': 0,
  
        /**
         * The sample arithmetic mean.
         *
         * @memberOf Benchmark#stats
         * @type Number
         */
        'mean': 0,
  
        /**
         * The array of sampled periods.
         *
         * @memberOf Benchmark#stats
         * @type Array
         */
        'sample': [],
  
        /**
         * The sample variance.
         *
         * @memberOf Benchmark#stats
         * @type Number
         */
        'variance': 0
      },
  
      /**
       * An object of timing data including cycle, elapsed, period, start, and stop.
       *
       * @memberOf Benchmark
       * @type Object
       */
      'times': {
  
        /**
         * The time taken to complete the last cycle (secs).
         *
         * @memberOf Benchmark#times
         * @type Number
         */
        'cycle': 0,
  
        /**
         * The time taken to complete the benchmark (secs).
         *
         * @memberOf Benchmark#times
         * @type Number
         */
        'elapsed': 0,
  
        /**
         * The time taken to execute the test once (secs).
         *
         * @memberOf Benchmark#times
         * @type Number
         */
        'period': 0,
  
        /**
         * A timestamp of when the benchmark started (ms).
         *
         * @memberOf Benchmark#times
         * @type Number
         */
        'timeStamp': 0
      },
  
      // aborts benchmark (does not record times)
      'abort': abort,
  
      // creates a new benchmark using the same test and options
      'clone': clone,
  
      // compares benchmark's hertz with another
      'compare': compare,
  
      // executes listeners
      'emit': emit,
  
      // get listeners
      'listeners': listeners,
  
      // unregister listeners
      'off': off,
  
      // register listeners
      'on': on,
  
      // reset benchmark properties
      'reset': reset,
  
      // runs the benchmark
      'run': run,
  
      // pretty print benchmark info
      'toString': toStringBench
    });
  
    /*--------------------------------------------------------------------------*/
  
    extend(Deferred.prototype, {
  
      /**
       * The deferred benchmark instance.
       *
       * @memberOf Benchmark.Deferred
       * @type Object
       */
      'benchmark': null,
  
      /**
       * The number of deferred cycles performed while benchmarking.
       *
       * @memberOf Benchmark.Deferred
       * @type Number
       */
      'cycles': 0,
  
      /**
       * The time taken to complete the deferred benchmark (secs).
       *
       * @memberOf Benchmark.Deferred
       * @type Number
       */
      'elapsed': 0,
  
      /**
       * A timestamp of when the deferred benchmark started (ms).
       *
       * @memberOf Benchmark.Deferred
       * @type Number
       */
      'timeStamp': 0,
  
      // cycles/completes the deferred benchmark
      'resolve': resolve
    });
  
    /*--------------------------------------------------------------------------*/
  
    extend(Event.prototype, {
  
      /**
       * A flag to indicate if the emitters listener iteration is aborted.
       *
       * @memberOf Benchmark.Event
       * @type Boolean
       */
      'aborted': false,
  
      /**
       * A flag to indicate if the default action is cancelled.
       *
       * @memberOf Benchmark.Event
       * @type Boolean
       */
      'cancelled': false,
  
      /**
       * The object whose listeners are currently being processed.
       *
       * @memberOf Benchmark.Event
       * @type Object
       */
      'currentTarget': undefined,
  
      /**
       * The return value of the last executed listener.
       *
       * @memberOf Benchmark.Event
       * @type Mixed
       */
      'result': undefined,
  
      /**
       * The object to which the event was originally emitted.
       *
       * @memberOf Benchmark.Event
       * @type Object
       */
      'target': undefined,
  
      /**
       * A timestamp of when the event was created (ms).
       *
       * @memberOf Benchmark.Event
       * @type Number
       */
      'timeStamp': 0,
  
      /**
       * The event type.
       *
       * @memberOf Benchmark.Event
       * @type String
       */
      'type': ''
    });
  
    /*--------------------------------------------------------------------------*/
  
    /**
     * The default options copied by suite instances.
     *
     * @static
     * @memberOf Benchmark.Suite
     * @type Object
     */
    Suite.options = {
  
      /**
       * The name of the suite.
       *
       * @memberOf Benchmark.Suite.options
       * @type String
       */
      'name': undefined
    };
  
    /*--------------------------------------------------------------------------*/
  
    extend(Suite.prototype, {
  
      /**
       * The number of benchmarks in the suite.
       *
       * @memberOf Benchmark.Suite
       * @type Number
       */
      'length': 0,
  
      /**
       * A score computed using the normalized result of each benchmark in the suite.
       *
       * @memberOf Benchmark.Suite
       * @type Number
       */
      'score': 0,
  
      /**
       * A flag to indicate if the suite is aborted.
       *
       * @memberOf Benchmark.Suite
       * @type Boolean
       */
      'aborted': false,
  
      /**
       * A flag to indicate if the suite is running.
       *
       * @memberOf Benchmark.Suite
       * @type Boolean
       */
      'running': false,
  
      /**
       * An `Array#forEach` like method.
       * Callbacks may terminate the loop by explicitly returning `false`.
       *
       * @memberOf Benchmark.Suite
       * @param {Function} callback The function called per iteration.
       * @returns {Object} The suite iterated over.
       */
      'forEach': methodize(forEach),
  
      /**
       * An `Array#indexOf` like method.
       *
       * @memberOf Benchmark.Suite
       * @param {Mixed} value The value to search for.
       * @returns {Number} The index of the matched value or `-1`.
       */
      'indexOf': methodize(indexOf),
  
      /**
       * Invokes a method on all benchmarks in the suite.
       *
       * @memberOf Benchmark.Suite
       * @param {String|Object} name The name of the method to invoke OR options object.
       * @param {Mixed} [arg1, arg2, ...] Arguments to invoke the method with.
       * @returns {Array} A new array of values returned from each method invoked.
       */
      'invoke': methodize(invoke),
  
      /**
       * Converts the suite of benchmarks to a string.
       *
       * @memberOf Benchmark.Suite
       * @param {String} [separator=','] A string to separate each element of the array.
       * @returns {String} The string.
       */
      'join': [].join,
  
      /**
       * An `Array#map` like method.
       *
       * @memberOf Benchmark.Suite
       * @param {Function} callback The function called per iteration.
       * @returns {Array} A new array of values returned by the callback.
       */
      'map': methodize(map),
  
      /**
       * Retrieves the value of a specified property from all benchmarks in the suite.
       *
       * @memberOf Benchmark.Suite
       * @param {String} property The property to pluck.
       * @returns {Array} A new array of property values.
       */
      'pluck': methodize(pluck),
  
      /**
       * Removes the last benchmark from the suite and returns it.
       *
       * @memberOf Benchmark.Suite
       * @returns {Mixed} The removed benchmark.
       */
      'pop': [].pop,
  
      /**
       * Appends benchmarks to the suite.
       *
       * @memberOf Benchmark.Suite
       * @returns {Number} The suite's new length.
       */
      'push': [].push,
  
      /**
       * Sorts the benchmarks of the suite.
       *
       * @memberOf Benchmark.Suite
       * @param {Function} [compareFn=null] A function that defines the sort order.
       * @returns {Object} The sorted suite.
       */
      'sort': [].sort,
  
      /**
       * An `Array#reduce` like method.
       *
       * @memberOf Benchmark.Suite
       * @param {Function} callback The function called per iteration.
       * @param {Mixed} accumulator Initial value of the accumulator.
       * @returns {Mixed} The accumulator.
       */
      'reduce': methodize(reduce),
  
      // aborts all benchmarks in the suite
      'abort': abortSuite,
  
      // adds a benchmark to the suite
      'add': add,
  
      // creates a new suite with cloned benchmarks
      'clone': cloneSuite,
  
      // executes listeners of a specified type
      'emit': emit,
  
      // creates a new suite of filtered benchmarks
      'filter': filterSuite,
  
      // get listeners
      'listeners': listeners,
  
      // unregister listeners
      'off': off,
  
     // register listeners
      'on': on,
  
      // resets all benchmarks in the suite
      'reset': resetSuite,
  
      // runs all benchmarks in the suite
      'run': runSuite,
  
      // array methods
      'concat': concat,
  
      'reverse': reverse,
  
      'shift': shift,
  
      'slice': slice,
  
      'splice': splice,
  
      'unshift': unshift
    });
  
    /*--------------------------------------------------------------------------*/
  
    // expose Deferred, Event and Suite
    extend(Benchmark, {
      'Deferred': Deferred,
      'Event': Event,
      'Suite': Suite
    });
  
    // expose Benchmark
    // some AMD build optimizers, like r.js, check for specific condition patterns like the following:
    if (typeof define == 'function' && typeof define.amd == 'object' && define.amd) {
      // define as an anonymous module so, through path mapping, it can be aliased
      define(function() {
        return Benchmark;
      });
    }
    // check for `exports` after `define` in case a build optimizer adds an `exports` object
    else if (freeExports) {
      // in Node.js or RingoJS v0.8.0+
      if (typeof module == 'object' && module && module.exports == freeExports) {
        (module.exports = Benchmark).Benchmark = Benchmark;
      }
      // in Narwhal or RingoJS v0.7.0-
      else {
        freeExports.Benchmark = Benchmark;
      }
    }
    // in a browser or Rhino
    else {
      // use square bracket notation so Closure Compiler won't munge `Benchmark`
      // http://code.google.com/closure/compiler/docs/api-tutorial3.html#export
      window['Benchmark'] = Benchmark;
    }
  
    // trigger clock's lazy define early to avoid a security error
    if (support.air) {
      clock({ '_original': { 'fn': noop, 'count': 1, 'options': {} } });
    }
  }(this));
  