The Tor Browser / file comparison
comparison: js/src/tests/js1_8_1/jit/regress-451974-01.js
js/src/tests/js1_8_1/jit/regress-451974-01.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:6f9df0b8932a |
|---|---|
| 1 // |reftest| skip -- bogus perf test (bug 540512) | |
| 2 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 //----------------------------------------------------------------------------- | |
| 8 var BUGNUMBER = 451974; | |
| 9 var summary = 'TM: loops with anon functions should not be slower with jit enabled'; | |
| 10 var actual = ''; | |
| 11 var expect = ''; | |
| 12 | |
| 13 printBugNumber(BUGNUMBER); | |
| 14 printStatus (summary); | |
| 15 | |
| 16 var chars = '0123456789abcdef'; | |
| 17 var size = 10000; | |
| 18 var mult = 1000; | |
| 19 var densearray = []; | |
| 20 var lsize = size; | |
| 21 | |
| 22 while (lsize--) | |
| 23 { | |
| 24 densearray.push(chars); | |
| 25 } | |
| 26 | |
| 27 function loop() | |
| 28 { | |
| 29 var start = new Date(); | |
| 30 | |
| 31 for (var a = 0; a < mult; a++) | |
| 32 { | |
| 33 var f = (function(x){}); | |
| 34 for (var i = 0, len = densearray.length; i < len; i++) | |
| 35 { | |
| 36 f(densearray[i]); | |
| 37 } | |
| 38 } | |
| 39 | |
| 40 var stop = new Date(); | |
| 41 return stop - start; | |
| 42 } | |
| 43 | |
| 44 jit(false); | |
| 45 var timenonjit = loop(); | |
| 46 jit(true); | |
| 47 var timejit = loop(); | |
| 48 jit(false); | |
| 49 | |
| 50 print('time: nonjit = ' + timenonjit + ', jit = ' + timejit); | |
| 51 | |
| 52 expect = true; | |
| 53 actual = timejit < timenonjit/2; | |
| 54 | |
| 55 reportCompare(expect, actual, summary); |
