The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/tests/js1_8_1/jit/regress-451974-01.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,55 @@
     1.4 +// |reftest| skip -- bogus perf test (bug 540512)
     1.5 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.9 +
    1.10 +//-----------------------------------------------------------------------------
    1.11 +var BUGNUMBER = 451974;
    1.12 +var summary = 'TM: loops with anon functions should not be slower with jit enabled';
    1.13 +var actual = '';
    1.14 +var expect = '';
    1.15 +
    1.16 +printBugNumber(BUGNUMBER);
    1.17 +printStatus (summary);
    1.18 +
    1.19 +var chars = '0123456789abcdef';
    1.20 +var size = 10000;
    1.21 +var mult = 1000;
    1.22 +var densearray = [];
    1.23 +var lsize = size;
    1.24 +
    1.25 +while (lsize--) 
    1.26 +{ 
    1.27 +  densearray.push(chars); 
    1.28 +}
    1.29 +
    1.30 +function loop()
    1.31 +{
    1.32 +  var start = new Date();
    1.33 +
    1.34 +  for (var a = 0; a < mult; a++) 
    1.35 +  {
    1.36 +    var f = (function(x){}); 
    1.37 +    for (var i = 0, len = densearray.length; i < len; i++) 
    1.38 +    { 
    1.39 +      f(densearray[i]); 
    1.40 +    }
    1.41 +  }
    1.42 +
    1.43 +  var stop = new Date();
    1.44 +  return stop - start;
    1.45 +}
    1.46 +
    1.47 +jit(false);
    1.48 +var timenonjit = loop();
    1.49 +jit(true);
    1.50 +var timejit = loop();
    1.51 +jit(false);
    1.52 +
    1.53 +print('time: nonjit = ' + timenonjit + ', jit = ' + timejit);
    1.54 +
    1.55 +expect = true;
    1.56 +actual = timejit < timenonjit/2;
    1.57 +
    1.58 +reportCompare(expect, actual, summary);