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| (Empty) | |
| 1 <html> |
| 2 <head> |
| 3 <script src="../htmlrunner.js"></script> |
| 4 <script> |
| 5 /* The Great Computer Language Shootout |
| 6 http://shootout.alioth.debian.org/ |
| 7 contributed by Isaac Gouy */ |
| 8 |
| 9 function fannkuch(n) { |
| 10 var check = 0; |
| 11 var perm = Array(n); |
| 12 var perm1 = Array(n); |
| 13 var count = Array(n); |
| 14 var maxPerm = Array(n); |
| 15 var maxFlipsCount = 0; |
| 16 var m = n - 1; |
| 17 |
| 18 for (var i = 0; i < n; i++) perm1[i] = i; |
| 19 var r = n; |
| 20 |
| 21 while (true) { |
| 22 // write-out the first 30 permutations |
| 23 if (check < 30){ |
| 24 var s = ""; |
| 25 for(var i=0; i<n; i++) s += (perm1[i]+1).toString(); |
| 26 check++; |
| 27 } |
| 28 |
| 29 while (r != 1) { count[r - 1] = r; r--; } |
| 30 if (!(perm1[0] == 0 || perm1[m] == m)) { |
| 31 for (var i = 0; i < n; i++) perm[i] = perm1[i]; |
| 32 |
| 33 var flipsCount = 0; |
| 34 var k; |
| 35 |
| 36 while (!((k = perm[0]) == 0)) { |
| 37 var k2 = (k + 1) >> 1; |
| 38 for (var i = 0; i < k2; i++) { |
| 39 var temp = perm[i]; perm[i] = perm[k - i]; perm[k - i] = temp; |
| 40 } |
| 41 flipsCount++; |
| 42 } |
| 43 |
| 44 if (flipsCount > maxFlipsCount) { |
| 45 maxFlipsCount = flipsCount; |
| 46 for (var i = 0; i < n; i++) maxPerm[i] = perm1[i]; |
| 47 } |
| 48 } |
| 49 |
| 50 while (true) { |
| 51 if (r == n) return maxFlipsCount; |
| 52 var perm0 = perm1[0]; |
| 53 var i = 0; |
| 54 while (i < r) { |
| 55 var j = i + 1; |
| 56 perm1[i] = perm1[j]; |
| 57 i = j; |
| 58 } |
| 59 perm1[r] = perm0; |
| 60 |
| 61 count[r] = count[r] - 1; |
| 62 if (count[r] > 0) break; |
| 63 r++; |
| 64 } |
| 65 } |
| 66 } |
| 67 |
| 68 window.onload = function(){ startTest("sunspider-access-fannkuch", ''); |
| 69 |
| 70 var ret; |
| 71 |
| 72 test( "Pfannkuchen", function(){ |
| 73 ret = fannkuch(7); |
| 74 }); |
| 75 |
| 76 endTest(); }; |
| 77 </script> |
| 78 </head> |
| 79 <body></body> |
| 80 </html> |
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Chromium Code Reviews
Issue 269054:
Importing dromaeo performance tests to src/chrome/test/data.... (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/