test/nashorn/examples/push-pop-benchmark.js
changeset 47216 71c04702a3d5
parent 26768 751b0f427090
equal deleted inserted replaced
47215:4ebc2e2fb97c 47216:71c04702a3d5
       
     1 /*
       
     2  * Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved.
       
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
       
     4  *
       
     5  * This code is free software; you can redistribute it and/or modify it
       
     6  * under the terms of the GNU General Public License version 2 only, as
       
     7  * published by the Free Software Foundation.
       
     8  *
       
     9  * This code is distributed in the hope that it will be useful, but WITHOUT
       
    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
       
    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
       
    12  * version 2 for more details (a copy is included in the LICENSE file that
       
    13  * accompanied this code).
       
    14  *
       
    15  * You should have received a copy of the GNU General Public License version
       
    16  * 2 along with this work; if not, write to the Free Software Foundation,
       
    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
       
    18  *
       
    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
       
    20  * or visit www.oracle.com if you need additional information or have any
       
    21  * questions.
       
    22  */
       
    23 
       
    24 /**
       
    25  * Simple benchmark to measure push/pop specialized method performance
       
    26  */
       
    27 
       
    28 var a = [];
       
    29 
       
    30 var RESULT = 15;
       
    31 
       
    32 function bench() {
       
    33     var sum = 0;
       
    34     for (var i=0;i<10;i++) {
       
    35 	a.push(i);
       
    36     }
       
    37     for (var i=0;i<10;i++) {
       
    38 	sum |= a.pop();
       
    39     }
       
    40     return sum;
       
    41 }
       
    42 
       
    43 function runbench() {
       
    44     var sum = 0;
       
    45     for (var iters = 0; iters<1e8; iters++) {
       
    46 	sum |= bench();
       
    47     }
       
    48     return sum;
       
    49 }
       
    50 
       
    51 var d = new Date;
       
    52 var res = runbench();
       
    53 print((new Date - d) + " ms");
       
    54 print();
       
    55 if (res != RESULT) {
       
    56     print("ERROR: Wrong result - should be " + RESULT);
       
    57 } else {
       
    58     print("Verified OK - result is correct");
       
    59 }