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