test/opt/add.js

Mon, 06 Aug 2018 13:27:17 +0800

author
aoqi
date
Mon, 06 Aug 2018 13:27:17 +0800
changeset 2295
3bcb6d195fc8
parent 1205
4112748288bb
permissions
-rw-r--r--

Added tag mips64el-jdk8u181-b14 for changeset 09bee99d5503

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
attila@962 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation.
attila@962 8 *
aoqi@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 12 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 13 * accompanied this code).
attila@962 14 *
aoqi@0 15 * You should have received a copy of the GNU General Public License version
aoqi@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
attila@962 18 *
aoqi@0 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 20 * or visit www.oracle.com if you need additional information or have any
aoqi@0 21 * questions.
aoqi@0 22 */
aoqi@0 23
aoqi@0 24 /**
aoqi@0 25 * Example of an add function that gets specialized to doubles
attila@962 26 * if run with --optimize flag set
aoqi@0 27 */
aoqi@0 28
aoqi@0 29 function add(a,b) {
aoqi@0 30 return a + b;
aoqi@0 31 }
aoqi@0 32
aoqi@0 33
aoqi@0 34 function bench() {
aoqi@0 35 var sum = 1;
aoqi@0 36 for (var x = 0 ; x < 10e8/2 ; x ++) {
attila@962 37 sum *= add(x,x + 1);
aoqi@0 38 }
aoqi@0 39 return sum;
aoqi@0 40 }
aoqi@0 41
aoqi@0 42 print("doing first run");
aoqi@0 43 var d = new Date;
aoqi@0 44 print(bench());
aoqi@0 45 d = new Date - d;
aoqi@0 46 print("first run took " + d + " ms");
aoqi@0 47
aoqi@0 48 // invalidate add, replace it with something else
aoqi@0 49 add = function(a,b) {
aoqi@0 50 return b + a;
aoqi@0 51 }
aoqi@0 52
aoqi@0 53 print("doing second run");
aoqi@0 54 var d = new Date;
aoqi@0 55 print(bench());
aoqi@0 56 d = new Date - d;
aoqi@0 57 print("second run took " + d + " ms");
aoqi@0 58

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