task-7009/pairwise.py

   1 #!/usr/bin/python
   2
   3 import os
   4 import sys
   5 import subprocess
   6
   7 def echo(a,b):
   8         print a, b
   9         return 0
  10
  11 def diff_gz(fn, fn2):
  12         os.unlink("out.tmp")
  13         os.system("diff %s %s | gzip -9 -c > out.tmp" % (fn, fn2))
  14         return os.stat("out.tmp").st_size
  15 def diff_u_gz(fn, fn2):
  16         os.unlink("out.tmp")
  17         os.system("diff -u %s %s | gzip -9 -c > out.tmp" % (fn, fn2))
  18         return os.stat("out.tmp").st_size
  19 def diff_e_gz(fn, fn2):
  20         os.unlink("out.tmp")
  21         os.system("diff -e %s %s | gzip -9 -c > out.tmp" % (fn, fn2))
  22         return os.stat("out.tmp").st_size
  23
  24 def diff_bz2(fn, fn2):
  25         os.unlink("out.tmp")
  26         os.system("diff %s %s | bzip2 -9 -c > out.tmp" % (fn, fn2))
  27         return os.stat("out.tmp").st_size
  28 def diff_u_bz2(fn, fn2):
  29         os.unlink("out.tmp")
  30         os.system("diff -u %s %s | bzip2 -9 -c > out.tmp" % (fn, fn2))
  31         return os.stat("out.tmp").st_size
  32 def diff_e_bz2(fn, fn2):
  33         os.unlink("out.tmp")
  34         os.system("diff -e %s %s | bzip2 -9 -c > out.tmp" % (fn, fn2))
  35         return os.stat("out.tmp").st_size
  36
  37 def condiff_gz(fn, fn2):
  38         os.unlink("out.tmp")
  39         os.system("./condiff.py %s %s | gzip -9 -c > out.tmp" % (fn, fn2))
  40         return os.stat("out.tmp").st_size
  41 def condiff_bz2(fn, fn2):
  42         os.unlink("out.tmp")
  43         os.system("./condiff.py %s %s | bzip2 -9 -c > out.tmp" % (fn, fn2))
  44         return os.stat("out.tmp").st_size
  45
  46 def condiff2_gz(fn, fn2):
  47         os.unlink("out.tmp")
  48         os.system("./condiff2.py %s %s | gzip -9 -c > out.tmp" % (fn, fn2))
  49         return os.stat("out.tmp").st_size
  50 def condiff2_bz2(fn, fn2):
  51         os.unlink("out.tmp")
  52         os.system("./condiff2.py %s %s | bzip2 -9 -c > out.tmp" % (fn, fn2))
  53         return os.stat("out.tmp").st_size
  54
  55 f = open("out.tmp", 'w')
  56 f.write("xyz")
  57 f.close()
  58
  59 func = globals()[sys.argv[1]]
  60
  61 allvals = []
  62 total = 0L
  63 N = 0
  64
  65 lag = int(sys.argv[2])
  66
  67 def pairwise(it):
  68         it = iter(it)
  69         lastv = []
  70         for i in xrange(lag):
  71                 lastv.append(it.next())
  72         for v in it:
  73                 yield lastv[0], v
  74                 lastv.append(v)
  75                 del lastv[0]
  76
  77 for fname, fname2 in pairwise(sys.argv[3:]):
  78         n = func(fname, fname2)
  79         N += 1
  80         total += n
  81         allvals.append(n)
  82
  83 allvals.sort()
  84 print "%s: lag %s: mean %s. median %s"%(sys.argv[1], lag, total//N, allvals[N//2])
  85
  86