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