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| 1 <html> |
| 2 <head> |
| 3 <script src="../htmlrunner.js"></script> |
| 4 <script> |
| 5 // Copyright (c) 2004 by Arthur Langereis (arthur_ext at domain xfinitegames, tl
d com) |
| 6 |
| 7 |
| 8 // 1 op = 2 assigns, 16 compare/branches, 8 ANDs, (0-8) ADDs, 8 SHLs |
| 9 // O(n) |
| 10 function bitsinbyte(b) { |
| 11 var m = 1, c = 0; |
| 12 while(m<0x100) { |
| 13 if(b & m) c++; |
| 14 m <<= 1; |
| 15 } |
| 16 return c; |
| 17 } |
| 18 |
| 19 function TimeFunc(func) { |
| 20 var x, y, t; |
| 21 for(var x=0; x<100; x++) |
| 22 for(var y=0; y<256; y++) func(y); |
| 23 } |
| 24 |
| 25 window.onload = function(){ startTest("sunspider-bitops-bits-in-byte", ''); |
| 26 |
| 27 test("Bit in byte (2)", function(){ |
| 28 TimeFunc(bitsinbyte); |
| 29 }); |
| 30 |
| 31 endTest(); }; |
| 32 </script> |
| 33 </head> |
| 34 <body></body> |
| 35 </html> |
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