* conclusions - almost no difference between different settings in terms of compression time * chosen settings bzip2 -9 -c __inFile__ > __outFile__ * benchmark 1 0 : bzip2 -1 -c __inFile__ > __outFile__ 1 : bzip2 -2 -c __inFile__ > __outFile__ 2 : bzip2 -3 -c __inFile__ > __outFile__ 3 : bzip2 -4 -c __inFile__ > __outFile__ 4 : bzip2 -5 -c __inFile__ > __outFile__ 5 : bzip2 -6 -c __inFile__ > __outFile__ 6 : bzip2 -7 -c __inFile__ > __outFile__ 7 : bzip2 -8 -c __inFile__ > __outFile__ 8 : bzip2 -9 -c __inFile__ > __outFile__ text id | wall t cpu t w. MB/s c. MB/s mem MB ratio | wall t cpu t w. MB/s c. MB/s mem MB | stdev ---+-----------------------------------------------------+---------------------------------------------+------- 0 | 147.6 147.6 16.0 16.0 1.3 17.1% | 45.5 45.5 52.1 52.1 0.7 | 0.5% 1 | 144.2 144.2 16.7 16.7 2.1 16.0% | 48.1 48.1 50.0 50.0 1.1 | 1.3% 2 | 145.1 145.1 16.7 16.7 2.9 15.4% | 48.5 48.5 49.9 49.9 1.5 | 1.1% 3 | 146.3 146.3 16.6 16.6 3.7 15.0% | 48.4 48.4 50.2 50.2 1.9 | 1.2% 4 | 147.0 147.0 16.6 16.6 4.4 14.8% | 48.4 48.4 50.3 50.3 2.3 | 0.9% 5 | 148.1 148.1 16.5 16.5 5.2 14.6% | 49.2 49.2 49.6 49.6 2.6 | 1.5% 6 | 149.1 149.1 16.4 16.4 5.9 14.5% | 47.9 47.9 51.1 51.1 3.0 | 0.3% 7 | 150.7 150.7 16.2 16.2 6.7 14.3% | 47.2 47.2 51.9 51.9 3.4 | 0.8% 8 | 152.7 152.7 16.1 16.1 7.5 14.2% | 50.3 50.3 48.8 48.8 3.8 | 0.6% binary (1 iteration) id | wall t cpu t w. MB/s c. MB/s mem MB ratio | wall t cpu t w. MB/s c. MB/s mem MB | stdev ---+-----------------------------------------------------+---------------------------------------------+------- 0 | 795.7 795.7 7.7 7.7 1.3 48.1% | 271.0 271.0 22.8 22.8 0.7 | 0.0% 1 | 775.7 775.5 8.0 8.0 2.1 47.6% | 290.6 290.6 21.4 21.4 1.1 | 0.0% 2 | 783.0 782.8 8.0 8.0 2.9 47.4% | 290.6 290.6 21.5 21.5 1.5 | 0.0% 3 | 785.2 785.1 8.0 8.0 3.6 47.2% | 300.4 300.4 20.9 20.9 1.9 | 0.0% 4 | 789.9 789.9 8.0 8.0 4.4 47.1% | 305.0 305.0 20.6 20.6 2.2 | 0.0% 5 | 796.1 796.0 7.9 7.9 5.2 47.0% | 312.6 312.6 20.2 20.2 2.6 | 0.0% 6 | 816.6 816.5 7.7 7.7 5.9 46.9% | 314.7 314.7 20.1 20.1 3.0 | 0.0% 7 | 811.1 811.0 7.8 7.8 6.7 46.8% | 300.3 300.3 21.1 21.1 3.4 | 0.0% 8 | 825.5 825.4 7.7 7.7 7.5 46.7% | 302.0 302.0 21.0 21.0 3.8 | 0.0%