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117 lines
3.3 KiB
JavaScript
117 lines
3.3 KiB
JavaScript
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is JavaScript Engine testing utilities.
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*
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* The Initial Developer of the Original Code is
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* Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2008
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s): Boris Zbarsky
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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var gTestfile = 'regress-451673.js';
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//-----------------------------------------------------------------------------
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var BUGNUMBER = 451673;
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var summary = 'TM: Tracing prime number generation';
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var actual = '';
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var expect = '';
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//-----------------------------------------------------------------------------
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test();
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//-----------------------------------------------------------------------------
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function test()
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{
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enterFunc ('test');
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printBugNumber(BUGNUMBER);
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printStatus (summary);
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function doTest(enablejit)
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{
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if (enablejit)
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jit(true);
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else
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jit(false);
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var n = 1000000;
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var start = new Date();
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var i=0;
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var j=0;
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var numprimes=0;
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var limit=0;
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numprimes = 1; // 2 is prime
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var mceil = Math.floor;
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var msqrt = Math.sqrt;
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var isPrime = 1;
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for (i = 3; i<= n; i+=2)
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{
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isPrime=1;
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limit = mceil(msqrt(i)+1) + 1;
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for (j = 3; j < limit; j+=2)
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{
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if (i % j == 0)
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{
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isPrime = 0;
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break;
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}
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}
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if (isPrime)
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{
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numprimes ++;
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}
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}
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var end = new Date();
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var timetaken = end - start;
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timetaken = timetaken / 1000;
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if (enablejit)
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jit(false);
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print((enablejit ? ' JIT' : 'Non-JIT') + ": Number of primes up to: " + n + " is " + numprimes + ", counted in " + timetaken + " secs.");
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return timetaken;
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}
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var timenonjit = doTest(false);
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var timejit = doTest(true);
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expect = true;
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actual = timejit < timenonjit/4;
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reportCompare(expect, actual, summary);
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exitFunc ('test');
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}
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