Fast Algorithm of Truncated Burrows-Wheeler Transform Coding for Data Compression of Sensors

Table 3

x86/64: comparison of file (book.htm) compression/decompression time (seconds).

Data window/block size	Compression time				Decompression time
	ComZip with CZ-BWT filter	bzip2	ComZip without CZ-BWT filter	p7zip	ComZip with CZ-BWT filter	bzip2	ComZip without CZ-BWT filter	p7zip
0.1 MB	—	56	—	—	—	5	—	—
0.2 MB	—	64	—	—	—	6	—	—
0.3 MB	—	73	—	—	—	6	—	—
0.4 MB	—	78	—	—	—	6	—	—
0.5 MB	—	83	—	—	—	5	—	—
0.6 MB	—	86	—	—	—	6	—	—
0.7 MB	—	91	—	—	—	6	—	—
0.8 MB	—	91	—	—	—	6	—	—
0.9 MB	—	95	—	—	—	6	—	—
1 MB	38	—	3	19	23	—	6	1
2 MB	32	—	3	20	19	—	6	1
4 MB	28	—	3	19	16	—	5	1
8 MB	25	—	4	19	15	—	5	1
16 MB	24	—	4	20	15	—	5	1
32 MB	24	—	4	20	10	—	5	1
64 MB	24	—	3	20	15	—	6	1
128 MB	24	—	4	20	15	—	6	1
256 MB	26	—	4	20	17	—	5	1
512 MB	29	—	5	21	16	—	5	1