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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| 2 /* ***** BEGIN LICENSE BLOCK ***** |
| 3 * Version: MPL 1.1/GPL 2.0/LGPL 2.1 |
| 4 * |
| 5 * The contents of this file are subject to the Mozilla Public License Version |
| 6 * 1.1 (the "License"); you may not use this file except in compliance with |
| 7 * the License. You may obtain a copy of the License at |
| 8 * http://www.mozilla.org/MPL/ |
| 9 * |
| 10 * Software distributed under the License is distributed on an "AS IS" basis, |
| 11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License |
| 12 * for the specific language governing rights and limitations under the |
| 13 * License. |
| 14 * |
| 15 * The Original Code is JavaScript Engine testing utilities. |
| 16 * |
| 17 * The Initial Developer of the Original Code is |
| 18 * Mozilla Foundation. |
| 19 * Portions created by the Initial Developer are Copyright (C) 2008 |
| 20 * the Initial Developer. All Rights Reserved. |
| 21 * |
| 22 * Contributor(s): Biju |
| 23 * |
| 24 * Alternatively, the contents of this file may be used under the terms of |
| 25 * either the GNU General Public License Version 2 or later (the "GPL"), or |
| 26 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), |
| 27 * in which case the provisions of the GPL or the LGPL are applicable instead |
| 28 * of those above. If you wish to allow use of your version of this file only |
| 29 * under the terms of either the GPL or the LGPL, and not to allow others to |
| 30 * use your version of this file under the terms of the MPL, indicate your |
| 31 * decision by deleting the provisions above and replace them with the notice |
| 32 * and other provisions required by the GPL or the LGPL. If you do not delete |
| 33 * the provisions above, a recipient may use your version of this file under |
| 34 * the terms of any one of the MPL, the GPL or the LGPL. |
| 35 * |
| 36 * ***** END LICENSE BLOCK ***** */ |
| 37 |
| 38 var gTestfile = 'regress-474529.js'; |
| 39 //----------------------------------------------------------------------------- |
| 40 var BUGNUMBER = 474529; |
| 41 var summary = 'Do not assert: _buf->_nextPage'; |
| 42 var actual = ''; |
| 43 var expect = ''; |
| 44 |
| 45 |
| 46 //----------------------------------------------------------------------------- |
| 47 test(); |
| 48 //----------------------------------------------------------------------------- |
| 49 |
| 50 function test() |
| 51 { |
| 52 enterFunc ('test'); |
| 53 printBugNumber(BUGNUMBER); |
| 54 printStatus (summary); |
| 55 |
| 56 function main() { |
| 57 |
| 58 function timeit(N, buildArrayString) { |
| 59 return Function("N", |
| 60 "var d1 = +new Date;" + |
| 61 "while (N--) var x = " + buildArrayString + |
| 62 "; return +new Date - d1")(N); |
| 63 } |
| 64 |
| 65 function reportResults(size, N, literalMs, newArrayMs, arrayMs) { |
| 66 print(Array.join(arguments, "\t")); |
| 67 } |
| 68 |
| 69 var repetitions = [ 9000, 7000, 4000, 2000, 2000, 2000, 800, 800, 800, 300,
100, 100 ] |
| 70 for (var zeros = "0, ", i = 0; i < repetitions.length; ++i) { |
| 71 var N = repetitions[i]; |
| 72 reportResults((1 << i) + 1, N, |
| 73 timeit(N, "[" + zeros + " 0 ]"), |
| 74 timeit(N, "new Array(" + zeros + " 0)"), |
| 75 timeit(N, "Array(" + zeros + " 0)")); |
| 76 zeros += zeros; |
| 77 } |
| 78 } |
| 79 |
| 80 jit(true); |
| 81 gc(); |
| 82 print("Size\t\Rep.\t\Literal\tnew Arr\tArray()"); |
| 83 print("====\t=====\t=======\t=======\t======="); |
| 84 main(); |
| 85 jit(false); |
| 86 |
| 87 reportCompare(expect, actual, summary); |
| 88 |
| 89 exitFunc ('test'); |
| 90 } |
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