test/nashorn/opt/add.js
author joehw
Fri, 31 May 2019 10:58:10 -0700
changeset 58627 92a18902b92c
parent 47216 71c04702a3d5
permissions -rw-r--r--
8224532: Better Path supports Reviewed-by: rriggs, lancea, dfuchs, mschoene
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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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 * 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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