Compression Statistics
Below are statistics to help you decide which compression you might want to use.
These results were provided by one of our users using production quality hardware.
1 Xeon MP core at 3Ghz
| Compression | Size | Time(s) | Compressed Size | Ratio (%) | Speed (MB/s) |
| gzip(1) | 44,691,621,376 | 3660 | 4,818,416,571 | 11 | 11.65 |
| gzip(2) | 44,691,621,376 | 3360 | 4,807,946,336 | 11 | 12.68 |
| gzip(3) | 44,691,621,376 | 3240 | 4,819,173,017 | 11 | 13.15 |
| gzip(4) | 44,691,621,376 | 3180 | 4,819,172,480 | 11 | 13.40 |
| gzip(5) | 44,691,621,376 | 3120 | 4,789,291,572 | 11 | 13.66 |
| gzip(6) | 44,691,621,376 | 3120 | 4,819,172,672 | 11 | 13.66 |
| gzip(7) | 44,691,621,376 | 3120 | 4,819,172,526 | 11 | 13.66 |
| gzip(8) | 44,691,621,376 | 3120 | 4,819,187,251 | 11 | 13.66 |
| gzip(9) | 44,691,621,376 | 3180 | 4,818,418,609 | 11 | 13.40 |
| Compression | Size | Time(s) | Compressed Size | Ratio (%) | Speed (MB/s) |
| zip64(1) | 44,691,621,376 | 1440 | 5,735,800,586 | 13 | 29.60 |
| zip64(2) | 44,691,621,376 | 1440 | 5,557,875,164 | 12 | 29.60 |
| zip64(3) | 44,691,621,376 | 1560 | 5,434,603,516 | 12 | 27.32 |
| zip64(4) | 44,691,621,376 | 1440 | 5,537,829,038 | 12 | 29.60 |
| zip64(5) | 44,691,621,376 | 2400 | 4,887,017,157 | 11 | 17.76 |
| zip64(6) | 44,691,621,376 | 3060 | 4,789,284,558 | 11 | 13.93 |
| zip64(7) | 44,691,621,376 | 3540 | 4,789,711,369 | 11 | 12.04 |
| zip64(8) | 44,691,621,376 | 7920 | 4,715,116,387 | 11 | 5.38 |
| zip64(9) | 44,691,621,376 | 16229 | 4,698,234,883 | 11 | 2.63 |
| Compression | Size | Time(s) | Compressed Size | Ratio (%) | Speed (MB/s) |
| bzip2(1) | 44,691,621,376 | 22440 | 4,370,911,501 | 10 | 1.90 |
| bzip2(2) | | | | | |
| bzip2(3) | | | | | |
| bzip2(4) | | | | | |
| bzip2(5) | | | | | |
| bzip2(6) | | | | | |
| bzip2(7) | | | | | |
| bzip2(8) | | | | | |
| bzip2(9) | | | | | |
| Compression | Size | Time(s) | Compressed Size | Ratio (%) | Speed (MB/s) |
| none | 44,691,621,376 | 1155 | 44,691,621,376 | 100 | 36.90 |
1 Xeon 5130 core at 2Ghz
| Compression | Size | Time(s) | Compressed Size | Ratio (%) | Speed (MB/s) |
| gzip(1) | 30,455,812,608 | 2040 | 2,725,463,363 | 9 | 14.24 |
| gzip(2) | | | | | |
| gzip(3) | | | | | |
| gzip(4) | | | | | |
| gzip(5) | | | | | |
| gzip(6) | | | | | |
| gzip(7) | | | | | |
| gzip(8) | | | | | |
| gzip(9) | 30,455,812,608 | 1740 | 2,725,463,371 | 9 | 16.69 |
| Compression | Size | Time(s) | Compressed Size | Ratio (%) | Speed (MB/s) |
| zip64(1) | 30,455,812,608 | 840 | 3,372,978,410 | 11 | 34.58 |
| zip64(2) | 30,455,812,608 | 900 | 3,264,128,860 | 11 | 32.27 |
| zip64(3) | 30,455,812,608 | 900 | 3,163,660,488 | 10 | 32.27 |
| zip64(4) | 30,455,812,608 | 900 | 3,247,779,263 | 11 | 32.27 |
| zip64(5) | | | | | |
| zip64(6) | | | | | |
| zip64(7) | 30,455,812,608 | 2040 | 2,711,522,045 | 9 | 14.24 |
| zip64(8) | | | | | |
| zip64(9) | 30,455,812,608 | 8400 | 2,660,706,544 | 9 | 3.46 |
| Compression | Size | Time(s) | Compressed Size | Ratio (%) | Speed (MB/s) |
| bzip2(1) | 30,455,812,608 | 10380 | 2,567,205,231 | 8 | 2.80 |
| bzip2(2) | | | | | |
| bzip2(3) | | | | | |
| bzip2(4) | | | | | |
| bzip2(5) | 30,455,812,608 | 9420 | 2,029,438,965 | 7 | 3.08 |
| bzip2(6) | | | | | |
| bzip2(7) | | | | | |
| bzip2(8) | | | | | |
| bzip2(9) | 30,455,812,608 | 9960 | 2,001,002,646 | 7 | 2.92 |
| Compression | Size | Time(s) | Compressed Size | Ratio (%) | Speed (MB/s) |
| none | 30,455,812,608 | 558 | 30,455,812,608 | 100 | 52.05 |
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