author | joehw |
Fri, 31 May 2019 10:58:10 -0700 | |
changeset 58627 | 92a18902b92c |
parent 47216 | 71c04702a3d5 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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||
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/** |
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* Example of an add function that gets specialized to doubles |
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* if run with --optimize flag set |
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*/ |
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function add(a,b) { |
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return a + b; |
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} |
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function bench() { |
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var sum = 1; |
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for (var x = 0 ; x < 10e8/2 ; x ++) { |
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sum *= add(x,x + 1); |
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} |
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return sum; |
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} |
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print("doing first run"); |
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var d = new Date; |
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print(bench()); |
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d = new Date - d; |
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print("first run took " + d + " ms"); |
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// invalidate add, replace it with something else |
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add = function(a,b) { |
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return b + a; |
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} |
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print("doing second run"); |
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var d = new Date; |
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print(bench()); |
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d = new Date - d; |
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print("second run took " + d + " ms"); |
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