nashorn/test/script/basic/JDK-8048586.js
author martin
Wed, 10 Dec 2014 09:23:00 -0800
changeset 28057 1a47ceecdba5
parent 26067 b32ccc3a76c9
permissions -rw-r--r--
8065804: JEP 171: Clarifications/corrections for fence intrinsics Reviewed-by: dholmes, shade, dl, psandoz
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/*
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 * Copyright (c) 2010, 2014, 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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 * JDK-8048586: String concatenation with optimistic types is slow
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 *
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 * @test
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 * @run
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 */
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var body = '';
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for (var i = 0; i < 1024 * 1024; i++) {
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  body += 'hello world\n';
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}
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body = '';
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for (var i = 0; i < 1024 * 1024; i++) {
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  body = body + 'hello world\n';
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}