chrome/test/data/dromaeo/tests/sunspider-bitops-bits-in-byte.html

   1 <html>
   2 <head>
   3 <script src="../htmlrunner.js"></script>
   4 <script>
   5 // Copyright (c) 2004 by Arthur Langereis (arthur_ext at domain xfinitegames, tld 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", '245fac8a');
  26
  27 test("Bit in byte (2)", function(){
  28         TimeFunc(bitsinbyte);
  29 });
  30
  31 endTest(); };
  32 </script>
  33 </head>
  34 <body></body>
  35 </html>