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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 // |
| 8 // Contributed by Ian Osgood |
| 9 |
| 10 var last = 42, A = 3877, C = 29573, M = 139968; |
| 11 |
| 12 function rand(max) { |
| 13 last = (last * A + C) % M; |
| 14 return max * last / M; |
| 15 } |
| 16 |
| 17 var ALU = |
| 18 "GGCCGGGCGCGGTGGCTCACGCCTGTAATCCCAGCACTTTGG" + |
| 19 "GAGGCCGAGGCGGGCGGATCACCTGAGGTCAGGAGTTCGAGA" + |
| 20 "CCAGCCTGGCCAACATGGTGAAACCCCGTCTCTACTAAAAAT" + |
| 21 "ACAAAAATTAGCCGGGCGTGGTGGCGCGCGCCTGTAATCCCA" + |
| 22 "GCTACTCGGGAGGCTGAGGCAGGAGAATCGCTTGAACCCGGG" + |
| 23 "AGGCGGAGGTTGCAGTGAGCCGAGATCGCGCCACTGCACTCC" + |
| 24 "AGCCTGGGCGACAGAGCGAGACTCCGTCTCAAAAA"; |
| 25 |
| 26 var IUB = { |
| 27 a:0.27, c:0.12, g:0.12, t:0.27, |
| 28 B:0.02, D:0.02, H:0.02, K:0.02, |
| 29 M:0.02, N:0.02, R:0.02, S:0.02, |
| 30 V:0.02, W:0.02, Y:0.02 |
| 31 } |
| 32 |
| 33 var HomoSap = { |
| 34 a: 0.3029549426680, |
| 35 c: 0.1979883004921, |
| 36 g: 0.1975473066391, |
| 37 t: 0.3015094502008 |
| 38 } |
| 39 |
| 40 function makeCumulative(table) { |
| 41 var last = null; |
| 42 for (var c in table) { |
| 43 if (last) table[c] += table[last]; |
| 44 last = c; |
| 45 } |
| 46 } |
| 47 |
| 48 function fastaRepeat(n, seq) { |
| 49 var seqi = 0, lenOut = 60; |
| 50 while (n>0) { |
| 51 if (n<lenOut) lenOut = n; |
| 52 if (seqi + lenOut < seq.length) { |
| 53 ret = seq.substring(seqi, seqi+lenOut); |
| 54 seqi += lenOut; |
| 55 } else { |
| 56 var s = seq.substring(seqi); |
| 57 seqi = lenOut - s.length; |
| 58 ret = s + seq.substring(0, seqi); |
| 59 } |
| 60 n -= lenOut; |
| 61 } |
| 62 } |
| 63 |
| 64 function fastaRandom(n, table) { |
| 65 var line = new Array(60); |
| 66 makeCumulative(table); |
| 67 while (n>0) { |
| 68 if (n<line.length) line = new Array(n); |
| 69 for (var i=0; i<line.length; i++) { |
| 70 var r = rand(1); |
| 71 for (var c in table) { |
| 72 if (r < table[c]) { |
| 73 line[i] = c; |
| 74 break; |
| 75 } |
| 76 } |
| 77 } |
| 78 ret = line.join(''); |
| 79 n -= line.length; |
| 80 } |
| 81 } |
| 82 |
| 83 window.onload = function(){ startTest("sunspider-string-fasta", ''); |
| 84 |
| 85 var ret; |
| 86 var n = 16; |
| 87 |
| 88 test( "Homo sapiens alu", function(){ |
| 89 ret = fastaRepeat(4*n*10000, ALU); |
| 90 }); |
| 91 |
| 92 test( "IUB ambiguity codes", function(){ |
| 93 ret = fastaRandom(3*n*100, IUB); |
| 94 }); |
| 95 |
| 96 test( "Homo sapiens frequency", function(){ |
| 97 ret = fastaRandom(5*n*100, HomoSap); |
| 98 }); |
| 99 |
| 100 endTest(); }; |
| 101 </script> |
| 102 </head> |
| 103 <body></body> |
| 104 </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/