The Tor Browser / file comparison
comparison: js/src/tests/js1_8_1/jit/regress-451673.js
js/src/tests/js1_8_1/jit/regress-451673.js
- changeset 0
- 6474c204b198
equal
deleted
inserted
replaced
| -1:000000000000 | 0:218d308e7335 |
|---|---|
| 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 = 451673; | |
| 9 var summary = 'TM: Tracing prime number generation'; | |
| 10 var actual = ''; | |
| 11 var expect = ''; | |
| 12 | |
| 13 | |
| 14 //----------------------------------------------------------------------------- | |
| 15 test(); | |
| 16 //----------------------------------------------------------------------------- | |
| 17 | |
| 18 function test() | |
| 19 { | |
| 20 enterFunc ('test'); | |
| 21 printBugNumber(BUGNUMBER); | |
| 22 printStatus (summary); | |
| 23 | |
| 24 function doTest(enablejit) | |
| 25 { | |
| 26 if (enablejit) | |
| 27 jit(true); | |
| 28 else | |
| 29 jit(false); | |
| 30 | |
| 31 var n = 1000000; | |
| 32 var start = new Date(); | |
| 33 var i=0; | |
| 34 var j=0; | |
| 35 var numprimes=0; | |
| 36 var limit=0; | |
| 37 numprimes = 1; // 2 is prime | |
| 38 var mceil = Math.floor; | |
| 39 var msqrt = Math.sqrt; | |
| 40 var isPrime = 1; | |
| 41 | |
| 42 for (i = 3; i<= n; i+=2) | |
| 43 { | |
| 44 isPrime=1; | |
| 45 limit = mceil(msqrt(i)+1) + 1; | |
| 46 | |
| 47 for (j = 3; j < limit; j+=2) | |
| 48 { | |
| 49 if (i % j == 0) | |
| 50 { | |
| 51 isPrime = 0; | |
| 52 break; | |
| 53 } | |
| 54 } | |
| 55 | |
| 56 if (isPrime) | |
| 57 { | |
| 58 numprimes ++; | |
| 59 } | |
| 60 } | |
| 61 | |
| 62 var end = new Date(); | |
| 63 | |
| 64 var timetaken = end - start; | |
| 65 timetaken = timetaken / 1000; | |
| 66 | |
| 67 if (enablejit) | |
| 68 jit(false); | |
| 69 | |
| 70 print((enablejit ? ' JIT' : 'Non-JIT') + ": Number of primes up to: " + n + " is " + numprimes + ", counted in " + timetaken + " secs."); | |
| 71 | |
| 72 return timetaken; | |
| 73 } | |
| 74 | |
| 75 var timenonjit = doTest(false); | |
| 76 var timejit = doTest(true); | |
| 77 | |
| 78 expect = true; | |
| 79 actual = timejit < timenonjit; | |
| 80 | |
| 81 reportCompare(expect, actual, summary); | |
| 82 | |
| 83 exitFunc ('test'); | |
| 84 } |
