The results of the compression on the Calgary Corpus
*All files underwent BWT before compression.
File |
Size |
B00 |
Compression rate |
gzip-9 |
Compression rate |
bib |
111,261 |
26,403 |
1.898 |
34,900 |
2.509 |
book1 |
768,771 |
216,834 |
2.256 |
312,281 |
3.250 |
book2 |
610,856 |
148,868 |
1.950 |
206,158 |
2.700 |
geo |
102,400 |
49,651 |
3.879 |
68,414 |
5.345 |
news |
377,109 |
112,503 |
2.387 |
144,400 |
3.063 |
obj1 |
21,504 |
10,050 |
3.739 |
10,320 |
3.839 |
obj2 |
246,814 |
74,360 |
2.410 |
81,087 |
2.628 |
paper1 |
53,161 |
15,906 |
2.394 |
18,087 |
2.790 |
paper2 |
82,199 |
23,983 |
2.334 |
29,667 |
2.887 |
pic |
513,216 |
30,493 |
0.475 |
52,381 |
0.817 |
progc |
39,611 |
12,089 |
2.442 |
13,261 |
2.678 |
progl |
71,646 |
14,800 |
1.653 |
16,164 |
1.805 |
progp |
49,379 |
10,017 |
1.623 |
11,186 |
1.812 |
trans |
93,695 |
16,617 |
1.419 |
18,862 |
2.695 |
Totals |
3,141,622 |
762,574 |
2.204 (1.942) bits/byte |
1,017,624 |
2.695 (2.591) bits/byte |