* conclusions - most terrible CLI encountered to date - '-md=512m' is ok for 64GB system and a 24GB file, anything more is OOM * chosen settings multi-threaded 7z a -t7z -m0=lzma2 -mx=1 __outFile__ __inFile__ > /dev/null 2>&1 7z a -t7z -m0=lzma2 -mx=3 __outFile__ __inFile__ > /dev/null 2>&1 7z a -t7z -m0=lzma2 -mx=5 __outFile__ __inFile__ > /dev/null 2>&1 7z a -t7z -m0=lzma2 -mx=9 __outFile__ __inFile__ > /dev/null 2>&1 7z a -t7z -m0=lzma2 -mx=9 -mfb=279 -md=1g __outFile__ __inFile__ > /dev/null 2>&1 single-threaded 7z a -t7z -m0=deflate -mx=0 __outFile__ __inFile__ > /dev/null 2>&1 7z a -t7z -m0=deflate -mx=5 __outFile__ __inFile__ > /dev/null 2>&1 7z a -t7z -m0=deflate -mx=7 __outFile__ __inFile__ > /dev/null 2>&1 7z a -t7z -m0=deflate -mx=9 __outFile__ __inFile__ > /dev/null 2>&1 7z a -t7z -m0=lzma2 -mx=1 -mmt=1 __outFile__ __inFile__ > /dev/null 2>&1 7z a -t7z -m0=lzma2 -mx=3 -mmt=1 __outFile__ __inFile__ > /dev/null 2>&1 7z a -t7z -m0=lzma2 -mx=5 -mmt=1 __outFile__ __inFile__ > /dev/null 2>&1 7z a -t7z -m0=lzma2 -mx=9 -mmt=1 __outFile__ __inFile__ > /dev/null 2>&1 * benchmark 1 0 : 7z a -t7z -m0=deflate -mx=0 __outFile__ __inFile__ > /dev/null 2>&1 1 : 7z a -t7z -m0=deflate -mx=1 __outFile__ __inFile__ > /dev/null 2>&1 2 : 7z a -t7z -m0=deflate -mx=3 __outFile__ __inFile__ > /dev/null 2>&1 3 : 7z a -t7z -m0=deflate -mx=5 __outFile__ __inFile__ > /dev/null 2>&1 4 : 7z a -t7z -m0=deflate -mx=7 __outFile__ __inFile__ > /dev/null 2>&1 5 : 7z a -t7z -m0=deflate -mx=9 __outFile__ __inFile__ > /dev/null 2>&1 6 : 7z a -t7z -m0=lzma2 -mx=1 __outFile__ __inFile__ > /dev/null 2>&1 7 : 7z a -t7z -m0=lzma2 -mx=3 __outFile__ __inFile__ > /dev/null 2>&1 8 : 7z a -t7z -m0=lzma2 -mx=5 __outFile__ __inFile__ > /dev/null 2>&1 9 : 7z a -t7z -m0=lzma2 -mx=7 __outFile__ __inFile__ > /dev/null 2>&1 10: 7z a -t7z -m0=lzma2 -mx=9 __outFile__ __inFile__ > /dev/null 2>&1 11: 7z a -t7z -m0=lzma2 -mx=9 -mfb=279 -md=1g __outFile__ __inFile__ > /dev/null 2>&1 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 | 44.8 42.2 51.3 54.4 6.3 19.6% | 8.9 8.9 258.6 259.2 4.3 | 0.0% 1 | 43.0 40.7 53.4 56.5 6.3 19.6% | 8.8 8.8 259.6 260.3 4.3 | 0.0% 2 | 43.2 40.9 53.1 56.2 6.3 19.6% | 8.8 8.8 259.7 260.3 4.4 | 0.0% 3 | 240.4 237.8 9.7 9.8 6.4 18.1% | 8.5 8.5 276.3 277.0 4.4 | 0.0% 4 | 744.0 741.8 3.2 3.2 7.6 17.8% | 8.5 8.5 276.5 277.2 4.4 | 0.0% 5 | 2079.5 2072.5 1.1 1.1 8.2 17.7% | 8.5 8.5 276.8 277.5 4.4 | 0.0% 6 | 9.0 98.0 263.0 24.2 39.9 17.1% | 22.7 22.6 104.5 104.6 5.3 | 0.0% 7 | 11.5 145.2 210.5 16.7 208.5 15.3% | 19.5 19.5 124.0 124.1 6.3 | 0.0% 8 | 86.1 872.8 29.1 2.9 1924.2 12.3% | 15.7 15.7 159.3 159.6 21.2 | 0.0% 9 | 149.2 1208.5 16.9 2.1 6957.3 11.6% | 14.9 14.9 169.1 169.4 69.2 | 0.0% 10 | 153.0 1217.3 16.5 2.1 6958.2 11.6% | 14.8 14.8 170.4 170.7 69.2 | 0.0% 11 | 425.7 1728.9 6.0 1.5 29112.4 10.5% | 13.9 13.8 184.6 184.9 1029.2 | 0.0% *11: 7z a -t7z -m0=lzma2 -mx=9 -mfb=279 -md=256m __outFile__ __inFile__ > /dev/null 2>&1 binary 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 | 196.9 188.1 31.0 32.4 6.6 48.6% | 40.7 40.6 150.1 150.1 4.3 | 0.0% 1 | 218.8 210.5 27.9 29.0 6.2 48.6% | 41.7 41.6 146.5 146.5 4.2 | 0.0% 2 | 213.4 204.8 28.6 29.8 6.3 48.6% | 41.2 41.2 148.0 148.0 4.4 | 0.0% 3 | 589.6 580.7 10.5 10.7 6.5 47.8% | 41.2 41.1 150.7 150.8 4.3 | 0.0% 4 | 1552.8 1543.0 4.0 4.0 7.5 47.6% | 41.3 41.3 150.7 150.8 4.3 | 0.0% 5 | 4613.1 4597.4 1.4 1.4 8.0 47.5% | 40.6 40.5 153.8 153.9 4.4 | 0.0% 6 | 69.0 788.8 92.7 8.1 51.5 46.1% | 107.0 106.9 59.8 59.9 5.3 | 0.0% 7 | 138.6 1641.8 47.9 4.0 235.4 44.1% | 95.9 95.9 69.3 69.3 6.2 | 0.0% 8 | 234.2 2902.9 30.0 2.4 2345.0 40.9% | 81.9 81.9 85.7 85.7 21.3 | 0.0% 9 | 326.7 3669.0 21.8 1.9 8151.0 40.2% | 80.2 80.1 88.7 88.7 69.3 | 0.0% 10 | 320.8 3680.2 22.2 1.9 8156.0 40.2% | 80.2 80.2 88.6 88.6 69.3 | 0.0% 11 | 408.4 4302.7 17.5 1.7 21973.7 40.0% | 78.9 78.9 90.4 90.4 261.2 | 0.0%