500 article index stats:

Total Time:      0.1475 seconds
Files Processed: 500
File Sizes (KB):
  corpus.bin          33.59 KB
  sa.bin             134.34 KB
  file_map.dat        37.01 KB
  TOTAL INDEX:       204.94 KB

1K article index stats:

Total Time:      0.3101 seconds
Files Processed: 1000
File Sizes (KB):
  corpus.bin          67.28 KB
  sa.bin             269.11 KB
  file_map.dat        74.12 KB
  TOTAL INDEX:       410.51 KB

10K article index stats:

Total Time:      10.9661 seconds
Files Processed: 10000
File Sizes (KB):
  corpus.bin         682.51 KB
  sa.bin            2730.05 KB
  file_map.dat       750.88 KB
  TOTAL INDEX:      4163.44 KB