aoqi@0: /*
aoqi@0:  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * 
aoqi@0:  * Redistribution and use in source and binary forms, with or without
aoqi@0:  * modification, are permitted provided that the following conditions
aoqi@0:  * are met:
aoqi@0:  * 
aoqi@0:  *   - Redistributions of source code must retain the above copyright
aoqi@0:  *     notice, this list of conditions and the following disclaimer.
aoqi@0:  * 
aoqi@0:  *   - Redistributions in binary form must reproduce the above copyright
aoqi@0:  *     notice, this list of conditions and the following disclaimer in the
aoqi@0:  *     documentation and/or other materials provided with the distribution.
aoqi@0:  * 
aoqi@0:  *   - Neither the name of Oracle nor the names of its
aoqi@0:  *     contributors may be used to endorse or promote products derived
aoqi@0:  *     from this software without specific prior written permission.
aoqi@0:  * 
aoqi@0:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
aoqi@0:  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
aoqi@0:  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
aoqi@0:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
aoqi@0:  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
aoqi@0:  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
aoqi@0:  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
aoqi@0:  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
aoqi@0:  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
aoqi@0:  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
aoqi@0:  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
aoqi@0:  */
aoqi@0: 
aoqi@0: 
aoqi@0: 
aoqi@0: function bench(name, func) {
aoqi@0:     var start = Date.now();
aoqi@0:     for (var iter = 0; iter < 5e6; iter++) {
aoqi@0:         func();
aoqi@0:     }
aoqi@0:     print((Date.now() - start) + "\t" + name);
aoqi@0: }
aoqi@0: 
aoqi@0: bench("[]", function() {
aoqi@0:     [];
aoqi@0:     [];
aoqi@0:     [];
aoqi@0: });
aoqi@0: 
aoqi@0: bench("[1, 2, 3]", function() {
aoqi@0:     [1, 2, 3];
aoqi@0:     [1, 2, 3];
aoqi@0:     [1, 2, 3];
aoqi@0: });
aoqi@0: 
aoqi@0: bench("[1 .. 20]", function() {
aoqi@0:     [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20];
aoqi@0:     [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20];
aoqi@0:     [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20];
aoqi@0: });
aoqi@0: 
aoqi@0: bench("new Array()", function() {
aoqi@0:     new Array();
aoqi@0:     new Array();
aoqi@0:     new Array();
aoqi@0: });
aoqi@0: 
aoqi@0: 
aoqi@0: bench("new Array(1, 2, 3)", function() {
aoqi@0:     new Array(1, 2, 3);
aoqi@0:     new Array(1, 2, 3);
aoqi@0:     new Array(1, 2, 3);
aoqi@0: });
aoqi@0: 
aoqi@0: bench("new Array(10)", function() {
aoqi@0:     new Array(10);
aoqi@0:     new Array(10);
aoqi@0:     new Array(10);
aoqi@0: });
aoqi@0: 
aoqi@0: var array = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
aoqi@0: 
aoqi@0: bench("get", function() {
aoqi@0:     array[0];
aoqi@0:     array[3];
aoqi@0:     array[6];
aoqi@0: });
aoqi@0: 
aoqi@0: bench("set", function() {
aoqi@0:     array[0] = 0;
aoqi@0:     array[3] = 3;
aoqi@0:     array[6] = 6;
aoqi@0: });
aoqi@0: 
aoqi@0: bench("push", function() {
aoqi@0:     var arr = [1, 2, 3];
aoqi@0:     arr.push(4);
aoqi@0:     arr.push(5);
aoqi@0:     arr.push(6);
aoqi@0: });
aoqi@0: 
aoqi@0: bench("pop", function() {
aoqi@0:     var arr = [1, 2, 3];
aoqi@0:     arr.pop();
aoqi@0:     arr.pop();
aoqi@0:     arr.pop();
aoqi@0: });
aoqi@0: 
aoqi@0: bench("splice", function() {
aoqi@0:     [1, 2, 3].splice(0, 2, 5, 6, 7);
aoqi@0: });
aoqi@0: 
aoqi@0: var all = function(e) { return true; };
aoqi@0: var none = function(e) { return false; };
aoqi@0: 
aoqi@0: bench("filter all", function() {
aoqi@0:     array.filter(all);
aoqi@0: });
aoqi@0: 
aoqi@0: bench("filter none", function() {
aoqi@0:     array.filter(none);
aoqi@0: });
aoqi@0: 
aoqi@0: var up = function(a, b) { return a > b ? 1 : -1; };
aoqi@0: var down = function(a, b) { return a < b ? 1 : -1; };
aoqi@0: 
aoqi@0: bench("sort up", function() {
aoqi@0:     [1, 2, 3, 4].sort(up);
aoqi@0: });
aoqi@0: 
aoqi@0: bench("sort down", function() {
aoqi@0:     [1, 2, 3, 4].sort(down);
aoqi@0: });
aoqi@0: