| OLD | NEW |
|---|
| (Empty) | |
| 1 <!DOCTYPE html> |
| 2 <head> |
| 3 <!-- |
| 4 Copyright (C) 2007 Apple Inc. All rights reserved. |
| 5 |
| 6 Redistribution and use in source and binary forms, with or without |
| 7 modification, are permitted provided that the following conditions |
| 8 are met: |
| 9 1. Redistributions of source code must retain the above copyright |
| 10 notice, this list of conditions and the following disclaimer. |
| 11 2. Redistributions in binary form must reproduce the above copyright |
| 12 notice, this list of conditions and the following disclaimer in the |
| 13 documentation and/or other materials provided with the distribution. |
| 14 |
| 15 THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
| 16 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 17 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 18 PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
| 19 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 20 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 21 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 22 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 23 OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 24 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 25 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 26 --> |
| 27 |
| 28 <title>SunSpider bitops-bits-in-byte</title> |
| 29 <link rel="stylesheet" href="sunspider.css"> |
| 30 </head> |
| 31 |
| 32 <body> |
| 33 <h3>bitops-bits-in-byte</h3> |
| 34 <div id="console"> |
| 35 </div> |
| 36 <script src="sunspider-record-result.js"></script> |
| 37 <script> |
| 38 |
| 39 var _sunSpiderStartDate = new Date(); |
| 40 |
| 41 // Copyright (c) 2004 by Arthur Langereis (arthur_ext at domain xfinitegames, tl
d com) |
| 42 |
| 43 |
| 44 // 1 op = 2 assigns, 16 compare/branches, 8 ANDs, (0-8) ADDs, 8 SHLs |
| 45 // O(n) |
| 46 function bitsinbyte(b) { |
| 47 var m = 1, c = 0; |
| 48 while(m<0x100) { |
| 49 if(b & m) c++; |
| 50 m <<= 1; |
| 51 } |
| 52 return c; |
| 53 } |
| 54 |
| 55 function TimeFunc(func) { |
| 56 var x, y, t; |
| 57 for(var x=0; x<350; x++) |
| 58 for(var y=0; y<256; y++) func(y); |
| 59 } |
| 60 |
| 61 TimeFunc(bitsinbyte); |
| 62 |
| 63 |
| 64 var _sunSpiderInterval = new Date() - _sunSpiderStartDate; |
| 65 |
| 66 record(_sunSpiderInterval); |
| 67 </script> |
| 68 |
| 69 |
| 70 </body> |
| 71 </html> |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 42549:
Add a copy of SunSpider 0.9 for performance testing.... (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/