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compress-test.sh 05/09/17 cpu thread scaling
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compress-test.sh-lbzip2-threads.md 
./compress-test.sh threadlbzip2
------------------------------------------------------------------------------
compress-test.sh 0.1 by George Liu (eva2000)
https://centminmod.com
Tue Sep  5 01:46:15 UTC 2017
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### lbzip2 multi-thread test
------------------------------------------------------------------------------
 [compress lvl: 1 ] lbzip2 -n1 -1 /home/gziptest/silesia.tar
 [compress stats:] real: 8.95s cpu: 101% maxmem: 1584 KB cswaits: 4758
number of threads: 1
 compression ratio: 3.5004 211957760 / 60551707 KB
------------------------------------------------------------------------------
 [compress lvl: 2 ] lbzip2 -n1 -2 /home/gziptest/silesia.tar
 [compress stats:] real: 8.62s cpu: 101% maxmem: 2616 KB cswaits: 2399
number of threads: 1
 compression ratio: 3.6457 211957760 / 58139060 KB
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 [compress lvl: 3 ] lbzip2 -n1 -3 /home/gziptest/silesia.tar
 [compress stats:] real: 8.65s cpu: 101% maxmem: 3352 KB cswaits: 1602
number of threads: 1
 compression ratio: 3.7161 211957760 / 57036620 KB
------------------------------------------------------------------------------
 [compress lvl: 4 ] lbzip2 -n1 -4 /home/gziptest/silesia.tar
 [compress stats:] real: 8.71s cpu: 100% maxmem: 4024 KB cswaits: 1206
number of threads: 1
 compression ratio: 3.7650 211957760 / 56296697 KB
------------------------------------------------------------------------------
 [compress lvl: 5 ] lbzip2 -n1 -5 /home/gziptest/silesia.tar
 [compress stats:] real: 8.76s cpu: 100% maxmem: 4740 KB cswaits: 967
number of threads: 1
 compression ratio: 3.7987 211957760 / 55796067 KB
------------------------------------------------------------------------------
 [compress lvl: 6 ] lbzip2 -n1 -6 /home/gziptest/silesia.tar
 [compress stats:] real: 8.78s cpu: 100% maxmem: 5412 KB cswaits: 812
number of threads: 1
 compression ratio: 3.8258 211957760 / 55401943 KB
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 [compress lvl: 7 ] lbzip2 -n1 -7 /home/gziptest/silesia.tar
 [compress stats:] real: 8.85s cpu: 100% maxmem: 7708 KB cswaits: 694
number of threads: 1
 compression ratio: 3.8458 211957760 / 55113599 KB
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 [compress lvl: 8 ] lbzip2 -n1 -8 /home/gziptest/silesia.tar
 [compress stats:] real: 8.83s cpu: 100% maxmem: 6864 KB cswaits: 600
number of threads: 1
 compression ratio: 3.8661 211957760 / 54824122 KB
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 [compress lvl: 9 ] lbzip2 -n1 -9 /home/gziptest/silesia.tar
 [compress stats:] real: 8.84s cpu: 100% maxmem: 7648 KB cswaits: 541
number of threads: 1
 compression ratio: 3.8784 211957760 / 54649587 KB
------------------------------------------------------------------------------
 [compress lvl: 1 ] lbzip2 -n2 -1 /home/gziptest/silesia.tar
 [compress stats:] real: 4.51s cpu: 201% maxmem: 2488 KB cswaits: 4202
number of threads: 2
 compression ratio: 3.5004 211957760 / 60551707 KB
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 [compress lvl: 2 ] lbzip2 -n2 -2 /home/gziptest/silesia.tar
 [compress stats:] real: 4.32s cpu: 201% maxmem: 4492 KB cswaits: 2124
number of threads: 2
 compression ratio: 3.6457 211957760 / 58139060 KB
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 [compress lvl: 3 ] lbzip2 -n2 -3 /home/gziptest/silesia.tar
 [compress stats:] real: 4.33s cpu: 201% maxmem: 7920 KB cswaits: 1467
number of threads: 2
 compression ratio: 3.7161 211957760 / 57036620 KB
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 [compress lvl: 4 ] lbzip2 -n2 -4 /home/gziptest/silesia.tar
 [compress stats:] real: 4.37s cpu: 201% maxmem: 9084 KB cswaits: 1087
number of threads: 2
 compression ratio: 3.7650 211957760 / 56296697 KB
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 [compress lvl: 5 ] lbzip2 -n2 -5 /home/gziptest/silesia.tar
 [compress stats:] real: 4.39s cpu: 200% maxmem: 8800 KB cswaits: 869
number of threads: 2
 compression ratio: 3.7987 211957760 / 55796067 KB
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 [compress lvl: 6 ] lbzip2 -n2 -6 /home/gziptest/silesia.tar
 [compress stats:] real: 4.41s cpu: 200% maxmem: 12472 KB cswaits: 737
number of threads: 2
 compression ratio: 3.8258 211957760 / 55401943 KB
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 [compress lvl: 7 ] lbzip2 -n2 -7 /home/gziptest/silesia.tar
 [compress stats:] real: 4.42s cpu: 200% maxmem: 11528 KB cswaits: 668
number of threads: 2
 compression ratio: 3.8458 211957760 / 55113599 KB
------------------------------------------------------------------------------
 [compress lvl: 8 ] lbzip2 -n2 -8 /home/gziptest/silesia.tar
 [compress stats:] real: 4.44s cpu: 200% maxmem: 14764 KB cswaits: 563
number of threads: 2
 compression ratio: 3.8661 211957760 / 54824122 KB
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 [compress lvl: 9 ] lbzip2 -n2 -9 /home/gziptest/silesia.tar
 [compress stats:] real: 4.50s cpu: 200% maxmem: 17372 KB cswaits: 499
number of threads: 2
 compression ratio: 3.8784 211957760 / 54649587 KB
------------------------------------------------------------------------------
 [compress lvl: 1 ] lbzip2 -n3 -1 /home/gziptest/silesia.tar
 [compress stats:] real: 3.09s cpu: 302% maxmem: 3512 KB cswaits: 4105
number of threads: 3
 compression ratio: 3.5004 211957760 / 60551707 KB
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 [compress lvl: 2 ] lbzip2 -n3 -2 /home/gziptest/silesia.tar
 [compress stats:] real: 2.96s cpu: 301% maxmem: 6380 KB cswaits: 2111
number of threads: 3
 compression ratio: 3.6457 211957760 / 58139060 KB
------------------------------------------------------------------------------
 [compress lvl: 3 ] lbzip2 -n3 -3 /home/gziptest/silesia.tar
 [compress stats:] real: 2.97s cpu: 300% maxmem: 8456 KB cswaits: 1422
number of threads: 3
 compression ratio: 3.7161 211957760 / 57036620 KB
------------------------------------------------------------------------------
 [compress lvl: 4 ] lbzip2 -n3 -4 /home/gziptest/silesia.tar
 [compress stats:] real: 2.99s cpu: 300% maxmem: 12376 KB cswaits: 1102
number of threads: 3
 compression ratio: 3.7650 211957760 / 56296697 KB
------------------------------------------------------------------------------
 [compress lvl: 5 ] lbzip2 -n3 -5 /home/gziptest/silesia.tar
 [compress stats:] real: 3.03s cpu: 300% maxmem: 12624 KB cswaits: 877
number of threads: 3
 compression ratio: 3.7987 211957760 / 55796067 KB
------------------------------------------------------------------------------
 [compress lvl: 6 ] lbzip2 -n3 -6 /home/gziptest/silesia.tar
 [compress stats:] real: 3.03s cpu: 299% maxmem: 15288 KB cswaits: 717
number of threads: 3
 compression ratio: 3.8258 211957760 / 55401943 KB
------------------------------------------------------------------------------
 [compress lvl: 7 ] lbzip2 -n3 -7 /home/gziptest/silesia.tar
 [compress stats:] real: 3.07s cpu: 300% maxmem: 23408 KB cswaits: 654
number of threads: 3
 compression ratio: 3.8458 211957760 / 55113599 KB
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 [compress lvl: 8 ] lbzip2 -n3 -8 /home/gziptest/silesia.tar
 [compress stats:] real: 3.06s cpu: 299% maxmem: 26516 KB cswaits: 568
number of threads: 3
 compression ratio: 3.8661 211957760 / 54824122 KB
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 [compress lvl: 9 ] lbzip2 -n3 -9 /home/gziptest/silesia.tar
 [compress stats:] real: 3.13s cpu: 299% maxmem: 32936 KB cswaits: 532
number of threads: 3
 compression ratio: 3.8784 211957760 / 54649587 KB
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 [compress lvl: 1 ] lbzip2 -n4 -1 /home/gziptest/silesia.tar
 [compress stats:] real: 2.38s cpu: 400% maxmem: 6524 KB cswaits: 4023
number of threads: 4
 compression ratio: 3.5004 211957760 / 60551707 KB
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 [compress lvl: 2 ] lbzip2 -n4 -2 /home/gziptest/silesia.tar
 [compress stats:] real: 2.27s cpu: 399% maxmem: 10172 KB cswaits: 2079
number of threads: 4
 compression ratio: 3.6457 211957760 / 58139060 KB
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 [compress lvl: 3 ] lbzip2 -n4 -3 /home/gziptest/silesia.tar
 [compress stats:] real: 2.27s cpu: 399% maxmem: 12820 KB cswaits: 1416
number of threads: 4
 compression ratio: 3.7161 211957760 / 57036620 KB
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 [compress lvl: 4 ] lbzip2 -n4 -4 /home/gziptest/silesia.tar
 [compress stats:] real: 2.31s cpu: 398% maxmem: 15700 KB cswaits: 1070
number of threads: 4
 compression ratio: 3.7650 211957760 / 56296697 KB
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 [compress lvl: 5 ] lbzip2 -n4 -5 /home/gziptest/silesia.tar
 [compress stats:] real: 2.32s cpu: 399% maxmem: 18316 KB cswaits: 877
number of threads: 4
 compression ratio: 3.7987 211957760 / 55796067 KB
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 [compress lvl: 6 ] lbzip2 -n4 -6 /home/gziptest/silesia.tar
 [compress stats:] real: 2.39s cpu: 398% maxmem: 21888 KB cswaits: 782
number of threads: 4
 compression ratio: 3.8258 211957760 / 55401943 KB
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 [compress lvl: 7 ] lbzip2 -n4 -7 /home/gziptest/silesia.tar
 [compress stats:] real: 2.40s cpu: 398% maxmem: 24144 KB cswaits: 675
number of threads: 4
 compression ratio: 3.8458 211957760 / 55113599 KB
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 [compress lvl: 8 ] lbzip2 -n4 -8 /home/gziptest/silesia.tar
 [compress stats:] real: 2.40s cpu: 396% maxmem: 29648 KB cswaits: 615
number of threads: 4
 compression ratio: 3.8661 211957760 / 54824122 KB
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 [compress lvl: 9 ] lbzip2 -n4 -9 /home/gziptest/silesia.tar
 [compress stats:] real: 2.42s cpu: 398% maxmem: 33960 KB cswaits: 528
number of threads: 4
 compression ratio: 3.8784 211957760 / 54649587 KB
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 [compress lvl: 1 ] lbzip2 -n5 -1 /home/gziptest/silesia.tar
 [compress stats:] real: 2.19s cpu: 498% maxmem: 7476 KB cswaits: 3482
number of threads: 5
 compression ratio: 3.5004 211957760 / 60551707 KB
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 [compress lvl: 2 ] lbzip2 -n5 -2 /home/gziptest/silesia.tar
 [compress stats:] real: 2.10s cpu: 497% maxmem: 11512 KB cswaits: 1864
number of threads: 5
 compression ratio: 3.6457 211957760 / 58139060 KB
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 [compress lvl: 3 ] lbzip2 -n5 -3 /home/gziptest/silesia.tar
 [compress stats:] real: 2.11s cpu: 497% maxmem: 15452 KB cswaits: 1240
number of threads: 5
 compression ratio: 3.7161 211957760 / 57036620 KB
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 [compress lvl: 4 ] lbzip2 -n5 -4 /home/gziptest/silesia.tar
 [compress stats:] real: 2.13s cpu: 496% maxmem: 16444 KB cswaits: 967
number of threads: 5
 compression ratio: 3.7650 211957760 / 56296697 KB
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 [compress lvl: 5 ] lbzip2 -n5 -5 /home/gziptest/silesia.tar
 [compress stats:] real: 2.18s cpu: 496% maxmem: 21520 KB cswaits: 823
number of threads: 5
 compression ratio: 3.7987 211957760 / 55796067 KB
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 [compress lvl: 6 ] lbzip2 -n5 -6 /home/gziptest/silesia.tar
 [compress stats:] real: 2.21s cpu: 496% maxmem: 25124 KB cswaits: 700
number of threads: 5
 compression ratio: 3.8258 211957760 / 55401943 KB
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 [compress lvl: 7 ] lbzip2 -n5 -7 /home/gziptest/silesia.tar
 [compress stats:] real: 2.23s cpu: 496% maxmem: 33668 KB cswaits: 612
number of threads: 5
 compression ratio: 3.8458 211957760 / 55113599 KB
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 [compress lvl: 8 ] lbzip2 -n5 -8 /home/gziptest/silesia.tar
 [compress stats:] real: 2.23s cpu: 495% maxmem: 41472 KB cswaits: 547
number of threads: 5
 compression ratio: 3.8661 211957760 / 54824122 KB
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 [compress lvl: 9 ] lbzip2 -n5 -9 /home/gziptest/silesia.tar
 [compress stats:] real: 2.27s cpu: 497% maxmem: 42280 KB cswaits: 488
number of threads: 5
 compression ratio: 3.8784 211957760 / 54649587 KB
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 [compress lvl: 1 ] lbzip2 -n6 -1 /home/gziptest/silesia.tar
 [compress stats:] real: 2.03s cpu: 596% maxmem: 10444 KB cswaits: 3518
number of threads: 6
 compression ratio: 3.5004 211957760 / 60551707 KB
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 [compress lvl: 2 ] lbzip2 -n6 -2 /home/gziptest/silesia.tar
 [compress stats:] real: 1.96s cpu: 596% maxmem: 11976 KB cswaits: 1859
number of threads: 6
 compression ratio: 3.6457 211957760 / 58139060 KB
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 [compress lvl: 3 ] lbzip2 -n6 -3 /home/gziptest/silesia.tar
 [compress stats:] real: 1.97s cpu: 595% maxmem: 22172 KB cswaits: 1288
number of threads: 6
 compression ratio: 3.7161 211957760 / 57036620 KB
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 [compress lvl: 4 ] lbzip2 -n6 -4 /home/gziptest/silesia.tar
 [compress stats:] real: 1.99s cpu: 596% maxmem: 22948 KB cswaits: 1025
number of threads: 6
 compression ratio: 3.7650 211957760 / 56296697 KB
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 [compress lvl: 5 ] lbzip2 -n6 -5 /home/gziptest/silesia.tar
 [compress stats:] real: 2.02s cpu: 594% maxmem: 25920 KB cswaits: 916
number of threads: 6
 compression ratio: 3.7987 211957760 / 55796067 KB
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 [compress lvl: 6 ] lbzip2 -n6 -6 /home/gziptest/silesia.tar
 [compress stats:] real: 2.06s cpu: 591% maxmem: 35000 KB cswaits: 767
number of threads: 6
 compression ratio: 3.8258 211957760 / 55401943 KB
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 [compress lvl: 7 ] lbzip2 -n6 -7 /home/gziptest/silesia.tar
 [compress stats:] real: 2.11s cpu: 592% maxmem: 36320 KB cswaits: 732
number of threads: 6
 compression ratio: 3.8458 211957760 / 55113599 KB
------------------------------------------------------------------------------
 [compress lvl: 8 ] lbzip2 -n6 -8 /home/gziptest/silesia.tar
 [compress stats:] real: 2.10s cpu: 589% maxmem: 43372 KB cswaits: 582
number of threads: 6
 compression ratio: 3.8661 211957760 / 54824122 KB
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 [compress lvl: 9 ] lbzip2 -n6 -9 /home/gziptest/silesia.tar
 [compress stats:] real: 2.15s cpu: 593% maxmem: 45220 KB cswaits: 620
number of threads: 6
 compression ratio: 3.8784 211957760 / 54649587 KB
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 [compress lvl: 1 ] lbzip2 -n7 -1 /home/gziptest/silesia.tar
 [compress stats:] real: 1.90s cpu: 692% maxmem: 9304 KB cswaits: 3832
number of threads: 7
 compression ratio: 3.5004 211957760 / 60551707 KB
------------------------------------------------------------------------------
 [compress lvl: 2 ] lbzip2 -n7 -2 /home/gziptest/silesia.tar
 [compress stats:] real: 1.83s cpu: 691% maxmem: 15268 KB cswaits: 2010
number of threads: 7
 compression ratio: 3.6457 211957760 / 58139060 KB
------------------------------------------------------------------------------
 [compress lvl: 3 ] lbzip2 -n7 -3 /home/gziptest/silesia.tar
 [compress stats:] real: 1.86s cpu: 691% maxmem: 20840 KB cswaits: 1411
number of threads: 7
 compression ratio: 3.7161 211957760 / 57036620 KB
------------------------------------------------------------------------------
 [compress lvl: 4 ] lbzip2 -n7 -4 /home/gziptest/silesia.tar
 [compress stats:] real: 1.87s cpu: 690% maxmem: 24768 KB cswaits: 1147
number of threads: 7
 compression ratio: 3.7650 211957760 / 56296697 KB
------------------------------------------------------------------------------
 [compress lvl: 5 ] lbzip2 -n7 -5 /home/gziptest/silesia.tar
 [compress stats:] real: 1.91s cpu: 690% maxmem: 34540 KB cswaits: 986
number of threads: 7
 compression ratio: 3.7987 211957760 / 55796067 KB
------------------------------------------------------------------------------
 [compress lvl: 6 ] lbzip2 -n7 -6 /home/gziptest/silesia.tar
 [compress stats:] real: 1.96s cpu: 691% maxmem: 35608 KB cswaits: 813
number of threads: 7
 compression ratio: 3.8258 211957760 / 55401943 KB
------------------------------------------------------------------------------
 [compress lvl: 7 ] lbzip2 -n7 -7 /home/gziptest/silesia.tar
 [compress stats:] real: 2.07s cpu: 687% maxmem: 46160 KB cswaits: 787
number of threads: 7
 compression ratio: 3.8458 211957760 / 55113599 KB
------------------------------------------------------------------------------
 [compress lvl: 8 ] lbzip2 -n7 -8 /home/gziptest/silesia.tar
 [compress stats:] real: 2.05s cpu: 686% maxmem: 47720 KB cswaits: 695
number of threads: 7
 compression ratio: 3.8661 211957760 / 54824122 KB
------------------------------------------------------------------------------
 [compress lvl: 9 ] lbzip2 -n7 -9 /home/gziptest/silesia.tar
 [compress stats:] real: 2.04s cpu: 689% maxmem: 49760 KB cswaits: 649
number of threads: 7
 compression ratio: 3.8784 211957760 / 54649587 KB
------------------------------------------------------------------------------
 [compress lvl: 1 ] lbzip2 -n8 -1 /home/gziptest/silesia.tar
 [compress stats:] real: 1.80s cpu: 780% maxmem: 10564 KB cswaits: 1115
number of threads: 8
 compression ratio: 3.5004 211957760 / 60551707 KB
------------------------------------------------------------------------------
 [compress lvl: 2 ] lbzip2 -n8 -2 /home/gziptest/silesia.tar
 [compress stats:] real: 1.76s cpu: 776% maxmem: 19464 KB cswaits: 950
number of threads: 8
 compression ratio: 3.6457 211957760 / 58139060 KB
------------------------------------------------------------------------------
 [compress lvl: 3 ] lbzip2 -n8 -3 /home/gziptest/silesia.tar
 [compress stats:] real: 1.75s cpu: 780% maxmem: 23484 KB cswaits: 649
number of threads: 8
 compression ratio: 3.7161 211957760 / 57036620 KB
------------------------------------------------------------------------------
 [compress lvl: 4 ] lbzip2 -n8 -4 /home/gziptest/silesia.tar
 [compress stats:] real: 1.79s cpu: 779% maxmem: 29020 KB cswaits: 799
number of threads: 8
 compression ratio: 3.7650 211957760 / 56296697 KB
------------------------------------------------------------------------------
 [compress lvl: 5 ] lbzip2 -n8 -5 /home/gziptest/silesia.tar
 [compress stats:] real: 1.81s cpu: 782% maxmem: 42840 KB cswaits: 760
number of threads: 8
 compression ratio: 3.7987 211957760 / 55796067 KB
------------------------------------------------------------------------------
 [compress lvl: 6 ] lbzip2 -n8 -6 /home/gziptest/silesia.tar
 [compress stats:] real: 1.89s cpu: 774% maxmem: 43192 KB cswaits: 775
number of threads: 8
 compression ratio: 3.8258 211957760 / 55401943 KB
------------------------------------------------------------------------------
 [compress lvl: 7 ] lbzip2 -n8 -7 /home/gziptest/silesia.tar
 [compress stats:] real: 1.94s cpu: 779% maxmem: 46116 KB cswaits: 823
number of threads: 8
 compression ratio: 3.8458 211957760 / 55113599 KB
------------------------------------------------------------------------------
 [compress lvl: 8 ] lbzip2 -n8 -8 /home/gziptest/silesia.tar
 [compress stats:] real: 1.97s cpu: 767% maxmem: 54084 KB cswaits: 651
number of threads: 8
 compression ratio: 3.8661 211957760 / 54824122 KB
------------------------------------------------------------------------------
 [compress lvl: 9 ] lbzip2 -n8 -9 /home/gziptest/silesia.tar
 [compress stats:] real: 2.04s cpu: 779% maxmem: 59268 KB cswaits: 695
number of threads: 8
 compression ratio: 3.8784 211957760 / 54649587 KB
*************************************************************************************
Tue Sep  5 01:56:07 UTC 2017
results logged: /root/gziplogs/threadlbzip2_050917-014615.txt
Sep 5 01:56 /root/gziplogs/threadlbzip2_050917-014615.txt
*************************************************************************************

method,no. threads,compression level,compress time,compress cpu %,compress max mem,compress context switch waits,compression ratio,compress size
lbzip2 level 1,1,1,8.95,101,1584,4758,3.5004,60551707
lbzip2 level 2,1,2,8.62,101,2616,2399,3.6457,58139060
lbzip2 level 3,1,3,8.65,101,3352,1602,3.7161,57036620
lbzip2 level 4,1,4,8.71,100,4024,1206,3.7650,56296697
lbzip2 level 5,1,5,8.76,100,4740,967,3.7987,55796067
lbzip2 level 6,1,6,8.78,100,5412,812,3.8258,55401943
lbzip2 level 7,1,7,8.85,100,7708,694,3.8458,55113599
lbzip2 level 8,1,8,8.83,100,6864,600,3.8661,54824122
lbzip2 level 9,1,9,8.84,100,7648,541,3.8784,54649587
lbzip2 level 1,2,1,4.51,201,2488,4202,3.5004,60551707
lbzip2 level 2,2,2,4.32,201,4492,2124,3.6457,58139060
lbzip2 level 3,2,3,4.33,201,7920,1467,3.7161,57036620
lbzip2 level 4,2,4,4.37,201,9084,1087,3.7650,56296697
lbzip2 level 5,2,5,4.39,200,8800,869,3.7987,55796067
lbzip2 level 6,2,6,4.41,200,12472,737,3.8258,55401943
lbzip2 level 7,2,7,4.42,200,11528,668,3.8458,55113599
lbzip2 level 8,2,8,4.44,200,14764,563,3.8661,54824122
lbzip2 level 9,2,9,4.50,200,17372,499,3.8784,54649587
lbzip2 level 1,3,1,3.09,302,3512,4105,3.5004,60551707
lbzip2 level 2,3,2,2.96,301,6380,2111,3.6457,58139060
lbzip2 level 3,3,3,2.97,300,8456,1422,3.7161,57036620
lbzip2 level 4,3,4,2.99,300,12376,1102,3.7650,56296697
lbzip2 level 5,3,5,3.03,300,12624,877,3.7987,55796067
lbzip2 level 6,3,6,3.03,299,15288,717,3.8258,55401943
lbzip2 level 7,3,7,3.07,300,23408,654,3.8458,55113599
lbzip2 level 8,3,8,3.06,299,26516,568,3.8661,54824122
lbzip2 level 9,3,9,3.13,299,32936,532,3.8784,54649587
lbzip2 level 1,4,1,2.38,400,6524,4023,3.5004,60551707
lbzip2 level 2,4,2,2.27,399,10172,2079,3.6457,58139060
lbzip2 level 3,4,3,2.27,399,12820,1416,3.7161,57036620
lbzip2 level 4,4,4,2.31,398,15700,1070,3.7650,56296697
lbzip2 level 5,4,5,2.32,399,18316,877,3.7987,55796067
lbzip2 level 6,4,6,2.39,398,21888,782,3.8258,55401943
lbzip2 level 7,4,7,2.40,398,24144,675,3.8458,55113599
lbzip2 level 8,4,8,2.40,396,29648,615,3.8661,54824122
lbzip2 level 9,4,9,2.42,398,33960,528,3.8784,54649587
lbzip2 level 1,5,1,2.19,498,7476,3482,3.5004,60551707
lbzip2 level 2,5,2,2.10,497,11512,1864,3.6457,58139060
lbzip2 level 3,5,3,2.11,497,15452,1240,3.7161,57036620
lbzip2 level 4,5,4,2.13,496,16444,967,3.7650,56296697
lbzip2 level 5,5,5,2.18,496,21520,823,3.7987,55796067
lbzip2 level 6,5,6,2.21,496,25124,700,3.8258,55401943
lbzip2 level 7,5,7,2.23,496,33668,612,3.8458,55113599
lbzip2 level 8,5,8,2.23,495,41472,547,3.8661,54824122
lbzip2 level 9,5,9,2.27,497,42280,488,3.8784,54649587
lbzip2 level 1,6,1,2.03,596,10444,3518,3.5004,60551707
lbzip2 level 2,6,2,1.96,596,11976,1859,3.6457,58139060
lbzip2 level 3,6,3,1.97,595,22172,1288,3.7161,57036620
lbzip2 level 4,6,4,1.99,596,22948,1025,3.7650,56296697
lbzip2 level 5,6,5,2.02,594,25920,916,3.7987,55796067
lbzip2 level 6,6,6,2.06,591,35000,767,3.8258,55401943
lbzip2 level 7,6,7,2.11,592,36320,732,3.8458,55113599
lbzip2 level 8,6,8,2.10,589,43372,582,3.8661,54824122
lbzip2 level 9,6,9,2.15,593,45220,620,3.8784,54649587
lbzip2 level 1,7,1,1.90,692,9304,3832,3.5004,60551707
lbzip2 level 2,7,2,1.83,691,15268,2010,3.6457,58139060
lbzip2 level 3,7,3,1.86,691,20840,1411,3.7161,57036620
lbzip2 level 4,7,4,1.87,690,24768,1147,3.7650,56296697
lbzip2 level 5,7,5,1.91,690,34540,986,3.7987,55796067
lbzip2 level 6,7,6,1.96,691,35608,813,3.8258,55401943
lbzip2 level 7,7,7,2.07,687,46160,787,3.8458,55113599
lbzip2 level 8,7,8,2.05,686,47720,695,3.8661,54824122
lbzip2 level 9,7,9,2.04,689,49760,649,3.8784,54649587
lbzip2 level 1,8,1,1.80,780,10564,1115,3.5004,60551707
lbzip2 level 2,8,2,1.76,776,19464,950,3.6457,58139060
lbzip2 level 3,8,3,1.75,780,23484,649,3.7161,57036620
lbzip2 level 4,8,4,1.79,779,29020,799,3.7650,56296697
lbzip2 level 5,8,5,1.81,782,42840,760,3.7987,55796067
lbzip2 level 6,8,6,1.89,774,43192,775,3.8258,55401943
lbzip2 level 7,8,7,1.94,779,46116,823,3.8458,55113599
lbzip2 level 8,8,8,1.97,767,54084,651,3.8661,54824122
lbzip2 level 9,8,9,2.04,779,59268,695,3.8784,54649587
Raw
compress-test.sh-pigz-threads.md

quick demo for pigz level 1-9 compression thread scaling for cpu threads 1 to 8

./compress-test.sh threadpigz                                     
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compress-test.sh 0.1 by George Liu (eva2000)
https://centminmod.com
Tue Sep  5 01:23:31 UTC 2017
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### pigz multi-thread test
------------------------------------------------------------------------------
 [compress lvl: 1 ] pigz -R -p1 -1 /home/gziptest/silesia.tar
 [compress stats:] real: 2.96s cpu: 99% maxmem: 1420 KB cswaits: 1
number of threads: 1
 compression ratio: 2.7051 211957760 / 78354363 KB
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 [compress lvl: 2 ] pigz -R -p1 -2 /home/gziptest/silesia.tar
 [compress stats:] real: 3.18s cpu: 99% maxmem: 1424 KB cswaits: 1
number of threads: 1
 compression ratio: 2.7859 211957760 / 76081755 KB
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 [compress lvl: 3 ] pigz -R -p1 -3 /home/gziptest/silesia.tar
 [compress stats:] real: 3.87s cpu: 99% maxmem: 1420 KB cswaits: 1
number of threads: 1
 compression ratio: 2.8631 211957760 / 74029490 KB
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 [compress lvl: 4 ] pigz -R -p1 -4 /home/gziptest/silesia.tar
 [compress stats:] real: 4.10s cpu: 99% maxmem: 1420 KB cswaits: 1
number of threads: 1
 compression ratio: 2.9415 211957760 / 72057284 KB
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 [compress lvl: 5 ] pigz -R -p1 -5 /home/gziptest/silesia.tar
 [compress stats:] real: 5.38s cpu: 99% maxmem: 1420 KB cswaits: 2
number of threads: 1
 compression ratio: 3.0189 211957760 / 70208849 KB
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 [compress lvl: 6 ] pigz -R -p1 -6 /home/gziptest/silesia.tar
 [compress stats:] real: 7.35s cpu: 99% maxmem: 1420 KB cswaits: 1
number of threads: 1
 compression ratio: 3.0600 211957760 / 69266646 KB
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 [compress lvl: 7 ] pigz -R -p1 -7 /home/gziptest/silesia.tar
 [compress stats:] real: 8.72s cpu: 99% maxmem: 1420 KB cswaits: 2
number of threads: 1
 compression ratio: 3.0726 211957760 / 68982551 KB
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 [compress lvl: 8 ] pigz -R -p1 -8 /home/gziptest/silesia.tar
 [compress stats:] real: 13.06s cpu: 99% maxmem: 1420 KB cswaits: 3
number of threads: 1
 compression ratio: 3.0837 211957760 / 68733630 KB
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 [compress lvl: 9 ] pigz -R -p1 -9 /home/gziptest/silesia.tar
 [compress stats:] real: 16.46s cpu: 99% maxmem: 1420 KB cswaits: 2
number of threads: 1
 compression ratio: 3.0857 211957760 / 68688862 KB
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 [compress lvl: 1 ] pigz -R -p2 -1 /home/gziptest/silesia.tar
 [compress stats:] real: 1.44s cpu: 226% maxmem: 2784 KB cswaits: 4811
number of threads: 2
 compression ratio: 2.7087 211957760 / 78248449 KB
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 [compress lvl: 2 ] pigz -R -p2 -2 /home/gziptest/silesia.tar
 [compress stats:] real: 1.54s cpu: 224% maxmem: 2780 KB cswaits: 4827
number of threads: 2
 compression ratio: 2.7905 211957760 / 75956899 KB
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 [compress lvl: 3 ] pigz -R -p2 -3 /home/gziptest/silesia.tar
 [compress stats:] real: 1.90s cpu: 220% maxmem: 2780 KB cswaits: 4908
number of threads: 2
 compression ratio: 2.8704 211957760 / 73841051 KB
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 [compress lvl: 4 ] pigz -R -p2 -4 /home/gziptest/silesia.tar
 [compress stats:] real: 2.00s cpu: 218% maxmem: 2652 KB cswaits: 4866
number of threads: 2
 compression ratio: 2.9415 211957760 / 72057284 KB
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 [compress lvl: 5 ] pigz -R -p2 -5 /home/gziptest/silesia.tar
 [compress stats:] real: 2.63s cpu: 215% maxmem: 4312 KB cswaits: 4907
number of threads: 2
 compression ratio: 3.0189 211957760 / 70208849 KB
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 [compress lvl: 6 ] pigz -R -p2 -6 /home/gziptest/silesia.tar
 [compress stats:] real: 3.61s cpu: 211% maxmem: 2852 KB cswaits: 4958
number of threads: 2
 compression ratio: 3.0600 211957760 / 69266646 KB
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 [compress lvl: 7 ] pigz -R -p2 -7 /home/gziptest/silesia.tar
 [compress stats:] real: 4.31s cpu: 209% maxmem: 2888 KB cswaits: 4963
number of threads: 2
 compression ratio: 3.0726 211957760 / 68982551 KB
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 [compress lvl: 8 ] pigz -R -p2 -8 /home/gziptest/silesia.tar
 [compress stats:] real: 6.52s cpu: 205% maxmem: 3004 KB cswaits: 4889
number of threads: 2
 compression ratio: 3.0837 211957760 / 68733630 KB
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 [compress lvl: 9 ] pigz -R -p2 -9 /home/gziptest/silesia.tar
 [compress stats:] real: 8.23s cpu: 204% maxmem: 3008 KB cswaits: 4871
number of threads: 2
 compression ratio: 3.0857 211957760 / 68688862 KB
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 [compress lvl: 1 ] pigz -R -p3 -1 /home/gziptest/silesia.tar
 [compress stats:] real: 0.98s cpu: 333% maxmem: 3684 KB cswaits: 4246
number of threads: 3
 compression ratio: 2.7087 211957760 / 78248449 KB
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 [compress lvl: 2 ] pigz -R -p3 -2 /home/gziptest/silesia.tar
 [compress stats:] real: 1.05s cpu: 331% maxmem: 5664 KB cswaits: 4210
number of threads: 3
 compression ratio: 2.7905 211957760 / 75956899 KB
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 [compress lvl: 3 ] pigz -R -p3 -3 /home/gziptest/silesia.tar
 [compress stats:] real: 1.29s cpu: 325% maxmem: 8980 KB cswaits: 4423
number of threads: 3
 compression ratio: 2.8704 211957760 / 73841051 KB
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 [compress lvl: 4 ] pigz -R -p3 -4 /home/gziptest/silesia.tar
 [compress stats:] real: 1.37s cpu: 325% maxmem: 3632 KB cswaits: 4399
number of threads: 3
 compression ratio: 2.9415 211957760 / 72057284 KB
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 [compress lvl: 5 ] pigz -R -p3 -5 /home/gziptest/silesia.tar
 [compress stats:] real: 1.81s cpu: 319% maxmem: 3856 KB cswaits: 4447
number of threads: 3
 compression ratio: 3.0189 211957760 / 70208849 KB
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 [compress lvl: 6 ] pigz -R -p3 -6 /home/gziptest/silesia.tar
 [compress stats:] real: 2.47s cpu: 313% maxmem: 3884 KB cswaits: 4555
number of threads: 3
 compression ratio: 3.0600 211957760 / 69266646 KB
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 [compress lvl: 7 ] pigz -R -p3 -7 /home/gziptest/silesia.tar
 [compress stats:] real: 2.93s cpu: 311% maxmem: 3616 KB cswaits: 4610
number of threads: 3
 compression ratio: 3.0726 211957760 / 68982551 KB
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 [compress lvl: 8 ] pigz -R -p3 -8 /home/gziptest/silesia.tar
 [compress stats:] real: 4.44s cpu: 308% maxmem: 3760 KB cswaits: 4530
number of threads: 3
 compression ratio: 3.0837 211957760 / 68733630 KB
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 [compress lvl: 9 ] pigz -R -p3 -9 /home/gziptest/silesia.tar
 [compress stats:] real: 5.62s cpu: 305% maxmem: 3892 KB cswaits: 4418
number of threads: 3
 compression ratio: 3.0857 211957760 / 68688862 KB
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 [compress lvl: 1 ] pigz -R -p4 -1 /home/gziptest/silesia.tar
 [compress stats:] real: 0.76s cpu: 442% maxmem: 4416 KB cswaits: 3693
number of threads: 4
 compression ratio: 2.7087 211957760 / 78248449 KB
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 [compress lvl: 2 ] pigz -R -p4 -2 /home/gziptest/silesia.tar
 [compress stats:] real: 0.82s cpu: 440% maxmem: 6268 KB cswaits: 3669
number of threads: 4
 compression ratio: 2.7905 211957760 / 75956899 KB
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 [compress lvl: 3 ] pigz -R -p4 -3 /home/gziptest/silesia.tar
 [compress stats:] real: 1.00s cpu: 432% maxmem: 6476 KB cswaits: 3819
number of threads: 4
 compression ratio: 2.8704 211957760 / 73841051 KB
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 [compress lvl: 4 ] pigz -R -p4 -4 /home/gziptest/silesia.tar
 [compress stats:] real: 1.06s cpu: 430% maxmem: 4608 KB cswaits: 3895
number of threads: 4
 compression ratio: 2.9415 211957760 / 72057284 KB
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 [compress lvl: 5 ] pigz -R -p4 -5 /home/gziptest/silesia.tar
 [compress stats:] real: 1.38s cpu: 423% maxmem: 4388 KB cswaits: 4171
number of threads: 4
 compression ratio: 3.0189 211957760 / 70208849 KB
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 [compress lvl: 6 ] pigz -R -p4 -6 /home/gziptest/silesia.tar
 [compress stats:] real: 1.89s cpu: 416% maxmem: 6356 KB cswaits: 4323
number of threads: 4
 compression ratio: 3.0600 211957760 / 69266646 KB
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 [compress lvl: 7 ] pigz -R -p4 -7 /home/gziptest/silesia.tar
 [compress stats:] real: 2.25s cpu: 414% maxmem: 4468 KB cswaits: 4349
number of threads: 4
 compression ratio: 3.0726 211957760 / 68982551 KB
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 [compress lvl: 8 ] pigz -R -p4 -8 /home/gziptest/silesia.tar
 [compress stats:] real: 3.40s cpu: 409% maxmem: 4620 KB cswaits: 4280
number of threads: 4
 compression ratio: 3.0837 211957760 / 68733630 KB
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 [compress lvl: 9 ] pigz -R -p4 -9 /home/gziptest/silesia.tar
 [compress stats:] real: 4.34s cpu: 405% maxmem: 4656 KB cswaits: 4231
number of threads: 4
 compression ratio: 3.0857 211957760 / 68688862 KB
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 [compress lvl: 1 ] pigz -R -p5 -1 /home/gziptest/silesia.tar
 [compress stats:] real: 0.75s cpu: 524% maxmem: 7388 KB cswaits: 2949
number of threads: 5
 compression ratio: 2.7087 211957760 / 78248449 KB
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 [compress lvl: 2 ] pigz -R -p5 -2 /home/gziptest/silesia.tar
 [compress stats:] real: 0.75s cpu: 538% maxmem: 7220 KB cswaits: 2988
number of threads: 5
 compression ratio: 2.7905 211957760 / 75956899 KB
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 [compress lvl: 3 ] pigz -R -p5 -3 /home/gziptest/silesia.tar
 [compress stats:] real: 0.91s cpu: 531% maxmem: 6884 KB cswaits: 3217
number of threads: 5
 compression ratio: 2.8704 211957760 / 73841051 KB
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 [compress lvl: 4 ] pigz -R -p5 -4 /home/gziptest/silesia.tar
 [compress stats:] real: 0.97s cpu: 529% maxmem: 5396 KB cswaits: 3234
number of threads: 5
 compression ratio: 2.9415 211957760 / 72057284 KB
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 [compress lvl: 5 ] pigz -R -p5 -5 /home/gziptest/silesia.tar
 [compress stats:] real: 1.27s cpu: 522% maxmem: 5280 KB cswaits: 3376
number of threads: 5
 compression ratio: 3.0189 211957760 / 70208849 KB
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 [compress lvl: 6 ] pigz -R -p5 -6 /home/gziptest/silesia.tar
 [compress stats:] real: 1.72s cpu: 516% maxmem: 7192 KB cswaits: 3577
number of threads: 5
 compression ratio: 3.0600 211957760 / 69266646 KB
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 [compress lvl: 7 ] pigz -R -p5 -7 /home/gziptest/silesia.tar
 [compress stats:] real: 2.07s cpu: 513% maxmem: 5420 KB cswaits: 3656
number of threads: 5
 compression ratio: 3.0726 211957760 / 68982551 KB
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 [compress lvl: 8 ] pigz -R -p5 -8 /home/gziptest/silesia.tar
 [compress stats:] real: 3.06s cpu: 508% maxmem: 6980 KB cswaits: 3852
number of threads: 5
 compression ratio: 3.0837 211957760 / 68733630 KB
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 [compress lvl: 9 ] pigz -R -p5 -9 /home/gziptest/silesia.tar
 [compress stats:] real: 3.76s cpu: 502% maxmem: 5440 KB cswaits: 3780
number of threads: 5
 compression ratio: 3.0857 211957760 / 68688862 KB
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 [compress lvl: 1 ] pigz -R -p6 -1 /home/gziptest/silesia.tar
 [compress stats:] real: 0.67s cpu: 636% maxmem: 6260 KB cswaits: 2990
number of threads: 6
 compression ratio: 2.7087 211957760 / 78248449 KB
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 [compress lvl: 2 ] pigz -R -p6 -2 /home/gziptest/silesia.tar
 [compress stats:] real: 0.71s cpu: 635% maxmem: 7496 KB cswaits: 2989
number of threads: 6
 compression ratio: 2.7905 211957760 / 75956899 KB
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 [compress lvl: 3 ] pigz -R -p6 -3 /home/gziptest/silesia.tar
 [compress stats:] real: 0.84s cpu: 630% maxmem: 6148 KB cswaits: 3185
number of threads: 6
 compression ratio: 2.8704 211957760 / 73841051 KB
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 [compress lvl: 4 ] pigz -R -p6 -4 /home/gziptest/silesia.tar
 [compress stats:] real: 0.91s cpu: 626% maxmem: 7928 KB cswaits: 3302
number of threads: 6
 compression ratio: 2.9415 211957760 / 72057284 KB
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 [compress lvl: 5 ] pigz -R -p6 -5 /home/gziptest/silesia.tar
 [compress stats:] real: 1.17s cpu: 622% maxmem: 6148 KB cswaits: 3333
number of threads: 6
 compression ratio: 3.0189 211957760 / 70208849 KB
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 [compress lvl: 6 ] pigz -R -p6 -6 /home/gziptest/silesia.tar
 [compress stats:] real: 1.57s cpu: 616% maxmem: 5968 KB cswaits: 3638
number of threads: 6
 compression ratio: 3.0600 211957760 / 69266646 KB
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 [compress lvl: 7 ] pigz -R -p6 -7 /home/gziptest/silesia.tar
 [compress stats:] real: 1.85s cpu: 611% maxmem: 6120 KB cswaits: 3438
number of threads: 6
 compression ratio: 3.0726 211957760 / 68982551 KB
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 [compress lvl: 8 ] pigz -R -p6 -8 /home/gziptest/silesia.tar
 [compress stats:] real: 2.70s cpu: 607% maxmem: 6200 KB cswaits: 3761
number of threads: 6
 compression ratio: 3.0837 211957760 / 68733630 KB
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 [compress lvl: 9 ] pigz -R -p6 -9 /home/gziptest/silesia.tar
 [compress stats:] real: 3.35s cpu: 603% maxmem: 6176 KB cswaits: 3627
number of threads: 6
 compression ratio: 3.0857 211957760 / 68688862 KB
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 [compress lvl: 1 ] pigz -R -p7 -1 /home/gziptest/silesia.tar
 [compress stats:] real: 0.64s cpu: 699% maxmem: 8888 KB cswaits: 2543
number of threads: 7
 compression ratio: 2.7087 211957760 / 78248449 KB
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 [compress lvl: 2 ] pigz -R -p7 -2 /home/gziptest/silesia.tar
 [compress stats:] real: 0.69s cpu: 696% maxmem: 6956 KB cswaits: 2703
number of threads: 7
 compression ratio: 2.7905 211957760 / 75956899 KB
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 [compress lvl: 3 ] pigz -R -p7 -3 /home/gziptest/silesia.tar
 [compress stats:] real: 0.84s cpu: 666% maxmem: 8832 KB cswaits: 2215
number of threads: 7
 compression ratio: 2.8704 211957760 / 73841051 KB
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 [compress lvl: 4 ] pigz -R -p7 -4 /home/gziptest/silesia.tar
 [compress stats:] real: 0.85s cpu: 725% maxmem: 8180 KB cswaits: 2954
number of threads: 7
 compression ratio: 2.9415 211957760 / 72057284 KB
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 [compress lvl: 5 ] pigz -R -p7 -5 /home/gziptest/silesia.tar
 [compress stats:] real: 1.10s cpu: 712% maxmem: 6884 KB cswaits: 3096
number of threads: 7
 compression ratio: 3.0189 211957760 / 70208849 KB
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 [compress lvl: 6 ] pigz -R -p7 -6 /home/gziptest/silesia.tar
 [compress stats:] real: 1.45s cpu: 714% maxmem: 8624 KB cswaits: 3433
number of threads: 7
 compression ratio: 3.0600 211957760 / 69266646 KB
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 [compress lvl: 7 ] pigz -R -p7 -7 /home/gziptest/silesia.tar
 [compress stats:] real: 1.70s cpu: 711% maxmem: 7944 KB cswaits: 3409
number of threads: 7
 compression ratio: 3.0726 211957760 / 68982551 KB
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 [compress lvl: 8 ] pigz -R -p7 -8 /home/gziptest/silesia.tar
 [compress stats:] real: 2.46s cpu: 704% maxmem: 8984 KB cswaits: 3530
number of threads: 7
 compression ratio: 3.0837 211957760 / 68733630 KB
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 [compress lvl: 9 ] pigz -R -p7 -9 /home/gziptest/silesia.tar
 [compress stats:] real: 3.06s cpu: 698% maxmem: 8492 KB cswaits: 3582
number of threads: 7
 compression ratio: 3.0857 211957760 / 68688862 KB
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 [compress lvl: 1 ] pigz -R -p8 -1 /home/gziptest/silesia.tar
 [compress stats:] real: 0.64s cpu: 692% maxmem: 9392 KB cswaits: 1842
number of threads: 8
 compression ratio: 2.7087 211957760 / 78248449 KB
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 [compress lvl: 2 ] pigz -R -p8 -2 /home/gziptest/silesia.tar
 [compress stats:] real: 0.68s cpu: 707% maxmem: 9320 KB cswaits: 1826
number of threads: 8
 compression ratio: 2.7905 211957760 / 75956899 KB
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 [compress lvl: 3 ] pigz -R -p8 -3 /home/gziptest/silesia.tar
 [compress stats:] real: 0.79s cpu: 728% maxmem: 9796 KB cswaits: 1563
number of threads: 8
 compression ratio: 2.8704 211957760 / 73841051 KB
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 [compress lvl: 4 ] pigz -R -p8 -4 /home/gziptest/silesia.tar
 [compress stats:] real: 0.85s cpu: 732% maxmem: 9688 KB cswaits: 1511
number of threads: 8
 compression ratio: 2.9415 211957760 / 72057284 KB
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 [compress lvl: 5 ] pigz -R -p8 -5 /home/gziptest/silesia.tar
 [compress stats:] real: 1.07s cpu: 749% maxmem: 9108 KB cswaits: 1404
number of threads: 8
 compression ratio: 3.0189 211957760 / 70208849 KB
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 [compress lvl: 6 ] pigz -R -p8 -6 /home/gziptest/silesia.tar
 [compress stats:] real: 1.39s cpu: 769% maxmem: 9576 KB cswaits: 992
number of threads: 8
 compression ratio: 3.0600 211957760 / 69266646 KB
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 [compress lvl: 7 ] pigz -R -p8 -7 /home/gziptest/silesia.tar
 [compress stats:] real: 1.63s cpu: 765% maxmem: 9496 KB cswaits: 1151
number of threads: 8
 compression ratio: 3.0726 211957760 / 68982551 KB
------------------------------------------------------------------------------
 [compress lvl: 8 ] pigz -R -p8 -8 /home/gziptest/silesia.tar
 [compress stats:] real: 2.26s cpu: 784% maxmem: 9052 KB cswaits: 877
number of threads: 8
 compression ratio: 3.0837 211957760 / 68733630 KB
------------------------------------------------------------------------------
 [compress lvl: 9 ] pigz -R -p8 -9 /home/gziptest/silesia.tar
 [compress stats:] real: 2.77s cpu: 775% maxmem: 9528 KB cswaits: 1056
number of threads: 8
 compression ratio: 3.0857 211957760 / 68688862 KB
*************************************************************************************
Tue Sep  5 01:32:07 UTC 2017
results logged: /root/gziplogs/threadpigz_050917-012331.txt
Sep 5 01:32 /root/gziplogs/threadpigz_050917-012331.txt
*************************************************************************************

method,no. threads,compression level,compress time,compress cpu %,compress max mem,compress context switch waits,compression ratio,compress size
pigz level 1,1,1,2.96,99,1420,1,2.7051,78354363
pigz level 2,1,2,3.18,99,1424,1,2.7859,76081755
pigz level 3,1,3,3.87,99,1420,1,2.8631,74029490
pigz level 4,1,4,4.10,99,1420,1,2.9415,72057284
pigz level 5,1,5,5.38,99,1420,2,3.0189,70208849
pigz level 6,1,6,7.35,99,1420,1,3.0600,69266646
pigz level 7,1,7,8.72,99,1420,2,3.0726,68982551
pigz level 8,1,8,13.06,99,1420,3,3.0837,68733630
pigz level 9,1,9,16.46,99,1420,2,3.0857,68688862
pigz level 1,2,1,1.44,226,2784,4811,2.7087,78248449
pigz level 2,2,2,1.54,224,2780,4827,2.7905,75956899
pigz level 3,2,3,1.90,220,2780,4908,2.8704,73841051
pigz level 4,2,4,2.00,218,2652,4866,2.9415,72057284
pigz level 5,2,5,2.63,215,4312,4907,3.0189,70208849
pigz level 6,2,6,3.61,211,2852,4958,3.0600,69266646
pigz level 7,2,7,4.31,209,2888,4963,3.0726,68982551
pigz level 8,2,8,6.52,205,3004,4889,3.0837,68733630
pigz level 9,2,9,8.23,204,3008,4871,3.0857,68688862
pigz level 1,3,1,0.98,333,3684,4246,2.7087,78248449
pigz level 2,3,2,1.05,331,5664,4210,2.7905,75956899
pigz level 3,3,3,1.29,325,8980,4423,2.8704,73841051
pigz level 4,3,4,1.37,325,3632,4399,2.9415,72057284
pigz level 5,3,5,1.81,319,3856,4447,3.0189,70208849
pigz level 6,3,6,2.47,313,3884,4555,3.0600,69266646
pigz level 7,3,7,2.93,311,3616,4610,3.0726,68982551
pigz level 8,3,8,4.44,308,3760,4530,3.0837,68733630
pigz level 9,3,9,5.62,305,3892,4418,3.0857,68688862
pigz level 1,4,1,0.76,442,4416,3693,2.7087,78248449
pigz level 2,4,2,0.82,440,6268,3669,2.7905,75956899
pigz level 3,4,3,1.00,432,6476,3819,2.8704,73841051
pigz level 4,4,4,1.06,430,4608,3895,2.9415,72057284
pigz level 5,4,5,1.38,423,4388,4171,3.0189,70208849
pigz level 6,4,6,1.89,416,6356,4323,3.0600,69266646
pigz level 7,4,7,2.25,414,4468,4349,3.0726,68982551
pigz level 8,4,8,3.40,409,4620,4280,3.0837,68733630
pigz level 9,4,9,4.34,405,4656,4231,3.0857,68688862
pigz level 1,5,1,0.75,524,7388,2949,2.7087,78248449
pigz level 2,5,2,0.75,538,7220,2988,2.7905,75956899
pigz level 3,5,3,0.91,531,6884,3217,2.8704,73841051
pigz level 4,5,4,0.97,529,5396,3234,2.9415,72057284
pigz level 5,5,5,1.27,522,5280,3376,3.0189,70208849
pigz level 6,5,6,1.72,516,7192,3577,3.0600,69266646
pigz level 7,5,7,2.07,513,5420,3656,3.0726,68982551
pigz level 8,5,8,3.06,508,6980,3852,3.0837,68733630
pigz level 9,5,9,3.76,502,5440,3780,3.0857,68688862
pigz level 1,6,1,0.67,636,6260,2990,2.7087,78248449
pigz level 2,6,2,0.71,635,7496,2989,2.7905,75956899
pigz level 3,6,3,0.84,630,6148,3185,2.8704,73841051
pigz level 4,6,4,0.91,626,7928,3302,2.9415,72057284
pigz level 5,6,5,1.17,622,6148,3333,3.0189,70208849
pigz level 6,6,6,1.57,616,5968,3638,3.0600,69266646
pigz level 7,6,7,1.85,611,6120,3438,3.0726,68982551
pigz level 8,6,8,2.70,607,6200,3761,3.0837,68733630
pigz level 9,6,9,3.35,603,6176,3627,3.0857,68688862
pigz level 1,7,1,0.64,699,8888,2543,2.7087,78248449
pigz level 2,7,2,0.69,696,6956,2703,2.7905,75956899
pigz level 3,7,3,0.84,666,8832,2215,2.8704,73841051
pigz level 4,7,4,0.85,725,8180,2954,2.9415,72057284
pigz level 5,7,5,1.10,712,6884,3096,3.0189,70208849
pigz level 6,7,6,1.45,714,8624,3433,3.0600,69266646
pigz level 7,7,7,1.70,711,7944,3409,3.0726,68982551
pigz level 8,7,8,2.46,704,8984,3530,3.0837,68733630
pigz level 9,7,9,3.06,698,8492,3582,3.0857,68688862
pigz level 1,8,1,0.64,692,9392,1842,2.7087,78248449
pigz level 2,8,2,0.68,707,9320,1826,2.7905,75956899
pigz level 3,8,3,0.79,728,9796,1563,2.8704,73841051
pigz level 4,8,4,0.85,732,9688,1511,2.9415,72057284
pigz level 5,8,5,1.07,749,9108,1404,3.0189,70208849
pigz level 6,8,6,1.39,769,9576,992,3.0600,69266646
pigz level 7,8,7,1.63,765,9496,1151,3.0726,68982551
pigz level 8,8,8,2.26,784,9052,877,3.0837,68733630
pigz level 9,8,9,2.77,775,9528,1056,3.0857,68688862
Raw
compress-test.sh-pxz-threads.md 
./compress-test.sh threadpxz                    
------------------------------------------------------------------------------
compress-test.sh 0.1 by George Liu (eva2000)
https://centminmod.com
Tue Sep  5 06:27:55 UTC 2017
------------------------------------------------------------------------------
### pxz multi-thread test
------------------------------------------------------------------------------
 [compress lvl: 1 ] pxz -T1 -1 /home/gziptest/silesia.tar
 [compress stats:] real: 10.46s cpu: 99% maxmem: 12588 KB cswaits: 2
number of threads: 1
 compression ratio: 3.6089 211957760 / 58731908 KB
------------------------------------------------------------------------------
 [compress lvl: 2 ] pxz -T1 -2 /home/gziptest/silesia.tar
 [compress stats:] real: 15.56s cpu: 99% maxmem: 23312 KB cswaits: 1
number of threads: 1
 compression ratio: 3.7190 211957760 / 56992164 KB
------------------------------------------------------------------------------
 [compress lvl: 3 ] pxz -T1 -3 /home/gziptest/silesia.tar
 [compress stats:] real: 23.84s cpu: 99% maxmem: 44996 KB cswaits: 3
number of threads: 1
 compression ratio: 3.7823 211957760 / 56039336 KB
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 [compress lvl: 4 ] pxz -T1 -4 /home/gziptest/silesia.tar
 [compress stats:] real: 41.11s cpu: 99% maxmem: 61560 KB cswaits: 1
number of threads: 1
 compression ratio: 4.0367 211957760 / 52507332 KB
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 [compress lvl: 5 ] pxz -T1 -5 /home/gziptest/silesia.tar
 [compress stats:] real: 55.70s cpu: 99% maxmem: 120888 KB cswaits: 2
number of threads: 1
 compression ratio: 4.2140 211957760 / 50297880 KB
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 [compress lvl: 6 ] pxz -T1 -6 /home/gziptest/silesia.tar
 [compress stats:] real: 64.89s cpu: 99% maxmem: 120928 KB cswaits: 1
number of threads: 1
 compression ratio: 4.2768 211957760 / 49558836 KB
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 [compress lvl: 7 ] pxz -T1 -7 /home/gziptest/silesia.tar
 [compress stats:] real: 68.36s cpu: 99% maxmem: 239636 KB cswaits: 1
number of threads: 1
 compression ratio: 4.3077 211957760 / 49204064 KB
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 [compress lvl: 8 ] pxz -T1 -8 /home/gziptest/silesia.tar
 [compress stats:] real: 70.89s cpu: 99% maxmem: 477244 KB cswaits: 1
number of threads: 1
 compression ratio: 4.3315 211957760 / 48933784 KB
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 [compress lvl: 9 ] pxz -T1 -9 /home/gziptest/silesia.tar
 [compress stats:] real: 74.21s cpu: 99% maxmem: 886648 KB cswaits: 1
number of threads: 1
 compression ratio: 4.3415 211957760 / 48820948 KB
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 [compress lvl: 1 ] pxz -T2 -1 /home/gziptest/silesia.tar
 [compress stats:] real: 7.13s cpu: 175% maxmem: 24384 KB cswaits: 289
number of threads: 2
 compression ratio: 3.6089 211957760 / 58731908 KB
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 [compress lvl: 2 ] pxz -T2 -2 /home/gziptest/silesia.tar
 [compress stats:] real: 10.69s cpu: 173% maxmem: 45656 KB cswaits: 154
number of threads: 2
 compression ratio: 3.7190 211957760 / 56992164 KB
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 [compress lvl: 3 ] pxz -T2 -3 /home/gziptest/silesia.tar
 [compress stats:] real: 16.86s cpu: 173% maxmem: 89072 KB cswaits: 55
number of threads: 2
 compression ratio: 3.7823 211957760 / 56039336 KB
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 [compress lvl: 4 ] pxz -T2 -4 /home/gziptest/silesia.tar
 [compress stats:] real: 26.13s cpu: 173% maxmem: 122116 KB cswaits: 56
number of threads: 2
 compression ratio: 4.0367 211957760 / 52507332 KB
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 [compress lvl: 5 ] pxz -T2 -5 /home/gziptest/silesia.tar
 [compress stats:] real: 35.53s cpu: 167% maxmem: 240836 KB cswaits: 36
number of threads: 2
 compression ratio: 4.2140 211957760 / 50297880 KB
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 [compress lvl: 6 ] pxz -T2 -6 /home/gziptest/silesia.tar
 [compress stats:] real: 40.42s cpu: 173% maxmem: 240904 KB cswaits: 41
number of threads: 2
 compression ratio: 4.2768 211957760 / 49558836 KB
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 [compress lvl: 7 ] pxz -T2 -7 /home/gziptest/silesia.tar
 [compress stats:] real: 40.90s cpu: 180% maxmem: 478328 KB cswaits: 39
number of threads: 2
 compression ratio: 4.3077 211957760 / 49204064 KB
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 [compress lvl: 8 ] pxz -T2 -8 /home/gziptest/silesia.tar
 [compress stats:] real: 45.56s cpu: 168% maxmem: 953164 KB cswaits: 25
number of threads: 2
 compression ratio: 4.3315 211957760 / 48933784 KB
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 [compress lvl: 9 ] pxz -T2 -9 /home/gziptest/silesia.tar
 [compress stats:] real: 72.02s cpu: 104% maxmem: 897836 KB cswaits: 21
number of threads: 2
 compression ratio: 4.3415 211957760 / 48820948 KB
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 [compress lvl: 1 ] pxz -T3 -1 /home/gziptest/silesia.tar
 [compress stats:] real: 5.80s cpu: 240% maxmem: 35780 KB cswaits: 616
number of threads: 3
 compression ratio: 3.6089 211957760 / 58731908 KB
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 [compress lvl: 2 ] pxz -T3 -2 /home/gziptest/silesia.tar
 [compress stats:] real: 8.63s cpu: 244% maxmem: 68012 KB cswaits: 277
number of threads: 3
 compression ratio: 3.7190 211957760 / 56992164 KB
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 [compress lvl: 3 ] pxz -T3 -3 /home/gziptest/silesia.tar
 [compress stats:] real: 13.42s cpu: 251% maxmem: 132968 KB cswaits: 100
number of threads: 3
 compression ratio: 3.7823 211957760 / 56039336 KB
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 [compress lvl: 4 ] pxz -T3 -4 /home/gziptest/silesia.tar
 [compress stats:] real: 19.62s cpu: 246% maxmem: 182492 KB cswaits: 94
number of threads: 3
 compression ratio: 4.0367 211957760 / 52507332 KB
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 [compress lvl: 5 ] pxz -T3 -5 /home/gziptest/silesia.tar
 [compress stats:] real: 25.89s cpu: 246% maxmem: 360692 KB cswaits: 87
number of threads: 3
 compression ratio: 4.2140 211957760 / 50297880 KB
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 [compress lvl: 6 ] pxz -T3 -6 /home/gziptest/silesia.tar
 [compress stats:] real: 29.70s cpu: 249% maxmem: 360684 KB cswaits: 73
number of threads: 3
 compression ratio: 4.2768 211957760 / 49558836 KB
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 [compress lvl: 7 ] pxz -T3 -7 /home/gziptest/silesia.tar
 [compress stats:] real: 38.30s cpu: 199% maxmem: 717096 KB cswaits: 48
number of threads: 3
 compression ratio: 4.3077 211957760 / 49204064 KB
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 [compress lvl: 8 ] pxz -T3 -8 /home/gziptest/silesia.tar
 [compress stats:] real: 42.64s cpu: 180% maxmem: 964888 KB cswaits: 39
number of threads: 3
 compression ratio: 4.3315 211957760 / 48933784 KB
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 [compress lvl: 9 ] pxz -T3 -9 /home/gziptest/silesia.tar
 [compress stats:] real: 70.67s cpu: 104% maxmem: 899188 KB cswaits: 26
number of threads: 3
 compression ratio: 4.3415 211957760 / 48820948 KB
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 [compress lvl: 1 ] pxz -T4 -1 /home/gziptest/silesia.tar
 [compress stats:] real: 5.01s cpu: 305% maxmem: 47436 KB cswaits: 697
number of threads: 4
 compression ratio: 3.6089 211957760 / 58731908 KB
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 [compress lvl: 2 ] pxz -T4 -2 /home/gziptest/silesia.tar
 [compress stats:] real: 7.68s cpu: 297% maxmem: 90428 KB cswaits: 300
number of threads: 4
 compression ratio: 3.7190 211957760 / 56992164 KB
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 [compress lvl: 3 ] pxz -T4 -3 /home/gziptest/silesia.tar
 [compress stats:] real: 12.07s cpu: 296% maxmem: 176948 KB cswaits: 129
number of threads: 4
 compression ratio: 3.7823 211957760 / 56039336 KB
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 [compress lvl: 4 ] pxz -T4 -4 /home/gziptest/silesia.tar
 [compress stats:] real: 17.25s cpu: 290% maxmem: 242820 KB cswaits: 144
number of threads: 4
 compression ratio: 4.0367 211957760 / 52507332 KB
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 [compress lvl: 5 ] pxz -T4 -5 /home/gziptest/silesia.tar
 [compress stats:] real: 21.79s cpu: 303% maxmem: 480420 KB cswaits: 113
number of threads: 4
 compression ratio: 4.2140 211957760 / 50297880 KB
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 [compress lvl: 6 ] pxz -T4 -6 /home/gziptest/silesia.tar
 [compress stats:] real: 24.86s cpu: 310% maxmem: 480356 KB cswaits: 119
number of threads: 4
 compression ratio: 4.2768 211957760 / 49558836 KB
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 [compress lvl: 7 ] pxz -T4 -7 /home/gziptest/silesia.tar
 [compress stats:] real: 26.44s cpu: 304% maxmem: 955304 KB cswaits: 74
number of threads: 4
 compression ratio: 4.3077 211957760 / 49204064 KB
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 [compress lvl: 8 ] pxz -T4 -8 /home/gziptest/silesia.tar
 [compress stats:] real: 42.62s cpu: 181% maxmem: 969852 KB cswaits: 44
number of threads: 4
 compression ratio: 4.3315 211957760 / 48933784 KB
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 [compress lvl: 9 ] pxz -T4 -9 /home/gziptest/silesia.tar
 [compress stats:] real: 71.29s cpu: 104% maxmem: 898580 KB cswaits: 27
number of threads: 4
 compression ratio: 4.3415 211957760 / 48820948 KB
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 [compress lvl: 1 ] pxz -T5 -1 /home/gziptest/silesia.tar
 [compress stats:] real: 4.91s cpu: 347% maxmem: 59104 KB cswaits: 673
number of threads: 5
 compression ratio: 3.6089 211957760 / 58731908 KB
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 [compress lvl: 2 ] pxz -T5 -2 /home/gziptest/silesia.tar
 [compress stats:] real: 7.25s cpu: 347% maxmem: 112644 KB cswaits: 344
number of threads: 5
 compression ratio: 3.7190 211957760 / 56992164 KB
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 [compress lvl: 3 ] pxz -T5 -3 /home/gziptest/silesia.tar
 [compress stats:] real: 10.88s cpu: 365% maxmem: 220932 KB cswaits: 189
number of threads: 5
 compression ratio: 3.7823 211957760 / 56039336 KB
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 [compress lvl: 4 ] pxz -T5 -4 /home/gziptest/silesia.tar
 [compress stats:] real: 16.09s cpu: 336% maxmem: 302788 KB cswaits: 177
number of threads: 5
 compression ratio: 4.0367 211957760 / 52507332 KB
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 [compress lvl: 5 ] pxz -T5 -5 /home/gziptest/silesia.tar
 [compress stats:] real: 18.66s cpu: 394% maxmem: 600032 KB cswaits: 143
number of threads: 5
 compression ratio: 4.2140 211957760 / 50297880 KB
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 [compress lvl: 6 ] pxz -T5 -6 /home/gziptest/silesia.tar
 [compress stats:] real: 22.21s cpu: 378% maxmem: 600372 KB cswaits: 132
number of threads: 5
 compression ratio: 4.2768 211957760 / 49558836 KB
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 [compress lvl: 7 ] pxz -T5 -7 /home/gziptest/silesia.tar
 [compress stats:] real: 23.78s cpu: 357% maxmem: 967468 KB cswaits: 87
number of threads: 5
 compression ratio: 4.3077 211957760 / 49204064 KB
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 [compress lvl: 8 ] pxz -T5 -8 /home/gziptest/silesia.tar
 [compress stats:] real: 42.57s cpu: 181% maxmem: 965352 KB cswaits: 44
number of threads: 5
 compression ratio: 4.3315 211957760 / 48933784 KB
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 [compress lvl: 9 ] pxz -T5 -9 /home/gziptest/silesia.tar
 [compress stats:] real: 71.28s cpu: 104% maxmem: 898272 KB cswaits: 30
number of threads: 5
 compression ratio: 4.3415 211957760 / 48820948 KB
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 [compress lvl: 1 ] pxz -T6 -1 /home/gziptest/silesia.tar
 [compress stats:] real: 4.47s cpu: 416% maxmem: 70584 KB cswaits: 801
number of threads: 6
 compression ratio: 3.6089 211957760 / 58731908 KB
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 [compress lvl: 2 ] pxz -T6 -2 /home/gziptest/silesia.tar
 [compress stats:] real: 6.49s cpu: 430% maxmem: 135012 KB cswaits: 390
number of threads: 6
 compression ratio: 3.7190 211957760 / 56992164 KB
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 [compress lvl: 3 ] pxz -T6 -3 /home/gziptest/silesia.tar
 [compress stats:] real: 9.76s cpu: 450% maxmem: 264668 KB cswaits: 220
number of threads: 6
 compression ratio: 3.7823 211957760 / 56039336 KB
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 [compress lvl: 4 ] pxz -T6 -4 /home/gziptest/silesia.tar
 [compress stats:] real: 13.65s cpu: 436% maxmem: 362896 KB cswaits: 220
number of threads: 6
 compression ratio: 4.0367 211957760 / 52507332 KB
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 [compress lvl: 5 ] pxz -T6 -5 /home/gziptest/silesia.tar
 [compress stats:] real: 19.75s cpu: 372% maxmem: 654696 KB cswaits: 135
number of threads: 6
 compression ratio: 4.2140 211957760 / 50297880 KB
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 [compress lvl: 6 ] pxz -T6 -6 /home/gziptest/silesia.tar
 [compress stats:] real: 21.85s cpu: 402% maxmem: 720252 KB cswaits: 136
number of threads: 6
 compression ratio: 4.2768 211957760 / 49558836 KB
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 [compress lvl: 7 ] pxz -T6 -7 /home/gziptest/silesia.tar
 [compress stats:] real: 23.68s cpu: 357% maxmem: 967112 KB cswaits: 103
number of threads: 6
 compression ratio: 4.3077 211957760 / 49204064 KB
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 [compress lvl: 8 ] pxz -T6 -8 /home/gziptest/silesia.tar
 [compress stats:] real: 42.15s cpu: 182% maxmem: 964488 KB cswaits: 50
number of threads: 6
 compression ratio: 4.3315 211957760 / 48933784 KB
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 [compress lvl: 9 ] pxz -T6 -9 /home/gziptest/silesia.tar
 [compress stats:] real: 70.97s cpu: 104% maxmem: 897664 KB cswaits: 30
number of threads: 6
 compression ratio: 4.3415 211957760 / 48820948 KB
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 [compress lvl: 1 ] pxz -T7 -1 /home/gziptest/silesia.tar
 [compress stats:] real: 4.07s cpu: 495% maxmem: 82152 KB cswaits: 901
number of threads: 7
 compression ratio: 3.6089 211957760 / 58731908 KB
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 [compress lvl: 2 ] pxz -T7 -2 /home/gziptest/silesia.tar
 [compress stats:] real: 6.03s cpu: 498% maxmem: 157736 KB cswaits: 420
number of threads: 7
 compression ratio: 3.7190 211957760 / 56992164 KB
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 [compress lvl: 3 ] pxz -T7 -3 /home/gziptest/silesia.tar
 [compress stats:] real: 9.36s cpu: 496% maxmem: 308492 KB cswaits: 289
number of threads: 7
 compression ratio: 3.7823 211957760 / 56039336 KB
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 [compress lvl: 4 ] pxz -T7 -4 /home/gziptest/silesia.tar
 [compress stats:] real: 13.25s cpu: 469% maxmem: 423336 KB cswaits: 254
number of threads: 7
 compression ratio: 4.0367 211957760 / 52507332 KB
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 [compress lvl: 5 ] pxz -T7 -5 /home/gziptest/silesia.tar
 [compress stats:] real: 20.27s cpu: 391% maxmem: 830220 KB cswaits: 128
number of threads: 7
 compression ratio: 4.2140 211957760 / 50297880 KB
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 [compress lvl: 6 ] pxz -T7 -6 /home/gziptest/silesia.tar
 [compress stats:] real: 22.48s cpu: 432% maxmem: 840320 KB cswaits: 142
number of threads: 7
 compression ratio: 4.2768 211957760 / 49558836 KB
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 [compress lvl: 7 ] pxz -T7 -7 /home/gziptest/silesia.tar
 [compress stats:] real: 23.73s cpu: 359% maxmem: 967328 KB cswaits: 91
number of threads: 7
 compression ratio: 4.3077 211957760 / 49204064 KB
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 [compress lvl: 8 ] pxz -T7 -8 /home/gziptest/silesia.tar
 [compress stats:] real: 42.65s cpu: 180% maxmem: 965656 KB cswaits: 50
number of threads: 7
 compression ratio: 4.3315 211957760 / 48933784 KB
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 [compress lvl: 9 ] pxz -T7 -9 /home/gziptest/silesia.tar
 [compress stats:] real: 70.81s cpu: 104% maxmem: 899020 KB cswaits: 30
number of threads: 7
 compression ratio: 4.3415 211957760 / 48820948 KB
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 [compress lvl: 1 ] pxz -T8 -1 /home/gziptest/silesia.tar
 [compress stats:] real: 3.85s cpu: 550% maxmem: 93752 KB cswaits: 894
number of threads: 8
 compression ratio: 3.6089 211957760 / 58731908 KB
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 [compress lvl: 2 ] pxz -T8 -2 /home/gziptest/silesia.tar
 [compress stats:] real: 5.92s cpu: 537% maxmem: 180064 KB cswaits: 440
number of threads: 8
 compression ratio: 3.7190 211957760 / 56992164 KB
------------------------------------------------------------------------------
 [compress lvl: 3 ] pxz -T8 -3 /home/gziptest/silesia.tar
 [compress stats:] real: 9.15s cpu: 540% maxmem: 352392 KB cswaits: 332
number of threads: 8
 compression ratio: 3.7823 211957760 / 56039336 KB
------------------------------------------------------------------------------
 [compress lvl: 4 ] pxz -T8 -4 /home/gziptest/silesia.tar
 [compress stats:] real: 12.97s cpu: 514% maxmem: 480680 KB cswaits: 333
number of threads: 8
 compression ratio: 4.0367 211957760 / 52507332 KB
------------------------------------------------------------------------------
 [compress lvl: 5 ] pxz -T8 -5 /home/gziptest/silesia.tar
 [compress stats:] real: 16.16s cpu: 546% maxmem: 926172 KB cswaits: 175
number of threads: 8
 compression ratio: 4.2140 211957760 / 50297880 KB
------------------------------------------------------------------------------
 [compress lvl: 6 ] pxz -T8 -6 /home/gziptest/silesia.tar
 [compress stats:] real: 19.63s cpu: 542% maxmem: 958236 KB cswaits: 144
number of threads: 8
 compression ratio: 4.2768 211957760 / 49558836 KB
------------------------------------------------------------------------------
 [compress lvl: 7 ] pxz -T8 -7 /home/gziptest/silesia.tar
 [compress stats:] real: 23.56s cpu: 356% maxmem: 967184 KB cswaits: 129
number of threads: 8
 compression ratio: 4.3077 211957760 / 49204064 KB
------------------------------------------------------------------------------
 [compress lvl: 8 ] pxz -T8 -8 /home/gziptest/silesia.tar
 [compress stats:] real: 42.36s cpu: 182% maxmem: 965984 KB cswaits: 48
number of threads: 8
 compression ratio: 4.3315 211957760 / 48933784 KB
------------------------------------------------------------------------------
 [compress lvl: 9 ] pxz -T8 -9 /home/gziptest/silesia.tar
 [compress stats:] real: 71.10s cpu: 104% maxmem: 899020 KB cswaits: 31
number of threads: 8
 compression ratio: 4.3415 211957760 / 48820948 KB
*************************************************************************************
Tue Sep  5 07:10:06 UTC 2017
results logged: /root/gziplogs/threadpxz_050917-062755.txt
Sep 5 07:09 /root/gziplogs/threadpxz_050917-062755.txt
*************************************************************************************

method,no. threads,compression level,compress time,compress cpu %,compress max mem,compress context switch waits,compression ratio,compress size
pxz level 1,1,1,10.46,99,12588,2,3.6089,58731908
pxz level 2,1,2,15.56,99,23312,1,3.7190,56992164
pxz level 3,1,3,23.84,99,44996,3,3.7823,56039336
pxz level 4,1,4,41.11,99,61560,1,4.0367,52507332
pxz level 5,1,5,55.70,99,120888,2,4.2140,50297880
pxz level 6,1,6,64.89,99,120928,1,4.2768,49558836
pxz level 7,1,7,68.36,99,239636,1,4.3077,49204064
pxz level 8,1,8,70.89,99,477244,1,4.3315,48933784
pxz level 9,1,9,74.21,99,886648,1,4.3415,48820948
pxz level 1,2,1,7.13,175,24384,289,3.6089,58731908
pxz level 2,2,2,10.69,173,45656,154,3.7190,56992164
pxz level 3,2,3,16.86,173,89072,55,3.7823,56039336
pxz level 4,2,4,26.13,173,122116,56,4.0367,52507332
pxz level 5,2,5,35.53,167,240836,36,4.2140,50297880
pxz level 6,2,6,40.42,173,240904,41,4.2768,49558836
pxz level 7,2,7,40.90,180,478328,39,4.3077,49204064
pxz level 8,2,8,45.56,168,953164,25,4.3315,48933784
pxz level 9,2,9,72.02,104,897836,21,4.3415,48820948
pxz level 1,3,1,5.80,240,35780,616,3.6089,58731908
pxz level 2,3,2,8.63,244,68012,277,3.7190,56992164
pxz level 3,3,3,13.42,251,132968,100,3.7823,56039336
pxz level 4,3,4,19.62,246,182492,94,4.0367,52507332
pxz level 5,3,5,25.89,246,360692,87,4.2140,50297880
pxz level 6,3,6,29.70,249,360684,73,4.2768,49558836
pxz level 7,3,7,38.30,199,717096,48,4.3077,49204064
pxz level 8,3,8,42.64,180,964888,39,4.3315,48933784
pxz level 9,3,9,70.67,104,899188,26,4.3415,48820948
pxz level 1,4,1,5.01,305,47436,697,3.6089,58731908
pxz level 2,4,2,7.68,297,90428,300,3.7190,56992164
pxz level 3,4,3,12.07,296,176948,129,3.7823,56039336
pxz level 4,4,4,17.25,290,242820,144,4.0367,52507332
pxz level 5,4,5,21.79,303,480420,113,4.2140,50297880
pxz level 6,4,6,24.86,310,480356,119,4.2768,49558836
pxz level 7,4,7,26.44,304,955304,74,4.3077,49204064
pxz level 8,4,8,42.62,181,969852,44,4.3315,48933784
pxz level 9,4,9,71.29,104,898580,27,4.3415,48820948
pxz level 1,5,1,4.91,347,59104,673,3.6089,58731908
pxz level 2,5,2,7.25,347,112644,344,3.7190,56992164
pxz level 3,5,3,10.88,365,220932,189,3.7823,56039336
pxz level 4,5,4,16.09,336,302788,177,4.0367,52507332
pxz level 5,5,5,18.66,394,600032,143,4.2140,50297880
pxz level 6,5,6,22.21,378,600372,132,4.2768,49558836
pxz level 7,5,7,23.78,357,967468,87,4.3077,49204064
pxz level 8,5,8,42.57,181,965352,44,4.3315,48933784
pxz level 9,5,9,71.28,104,898272,30,4.3415,48820948
pxz level 1,6,1,4.47,416,70584,801,3.6089,58731908
pxz level 2,6,2,6.49,430,135012,390,3.7190,56992164
pxz level 3,6,3,9.76,450,264668,220,3.7823,56039336
pxz level 4,6,4,13.65,436,362896,220,4.0367,52507332
pxz level 5,6,5,19.75,372,654696,135,4.2140,50297880
pxz level 6,6,6,21.85,402,720252,136,4.2768,49558836
pxz level 7,6,7,23.68,357,967112,103,4.3077,49204064
pxz level 8,6,8,42.15,182,964488,50,4.3315,48933784
pxz level 9,6,9,70.97,104,897664,30,4.3415,48820948
pxz level 1,7,1,4.07,495,82152,901,3.6089,58731908
pxz level 2,7,2,6.03,498,157736,420,3.7190,56992164
pxz level 3,7,3,9.36,496,308492,289,3.7823,56039336
pxz level 4,7,4,13.25,469,423336,254,4.0367,52507332
pxz level 5,7,5,20.27,391,830220,128,4.2140,50297880
pxz level 6,7,6,22.48,432,840320,142,4.2768,49558836
pxz level 7,7,7,23.73,359,967328,91,4.3077,49204064
pxz level 8,7,8,42.65,180,965656,50,4.3315,48933784
pxz level 9,7,9,70.81,104,899020,30,4.3415,48820948
pxz level 1,8,1,3.85,550,93752,894,3.6089,58731908
pxz level 2,8,2,5.92,537,180064,440,3.7190,56992164
pxz level 3,8,3,9.15,540,352392,332,3.7823,56039336
pxz level 4,8,4,12.97,514,480680,333,4.0367,52507332
pxz level 5,8,5,16.16,546,926172,175,4.2140,50297880
pxz level 6,8,6,19.63,542,958236,144,4.2768,49558836
pxz level 7,8,7,23.56,356,967184,129,4.3077,49204064
pxz level 8,8,8,42.36,182,965984,48,4.3315,48933784
pxz level 9,8,9,71.10,104,899020,31,4.3415,48820948
Raw
compress-test.sh-zstd-threads.md 
./compress-test.sh threadzstd                                     
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compress-test.sh 0.1 by George Liu (eva2000)
https://centminmod.com
Tue Sep  5 02:21:12 UTC 2017
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### zstd multi-thread test
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 [compress lvl: 1 ] zstd -q -f -T1 -1 /home/gziptest/silesia.tar
 [compress stats:] real: 0.72s cpu: 100% maxmem: 2100 KB cswaits: 1
number of threads: 1
 compression ratio: 2.8782 211957760 / 73641412 KB
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 [compress lvl: 2 ] zstd -q -f -T1 -2 /home/gziptest/silesia.tar
 [compress stats:] real: 0.89s cpu: 99% maxmem: 2300 KB cswaits: 1
number of threads: 1
 compression ratio: 3.0209 211957760 / 70162147 KB
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 [compress lvl: 3 ] zstd -q -f -T1 -3 /home/gziptest/silesia.tar
 [compress stats:] real: 1.15s cpu: 100% maxmem: 3324 KB cswaits: 1
number of threads: 1
 compression ratio: 3.1640 211957760 / 66989046 KB
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 [compress lvl: 4 ] zstd -q -f -T1 -4 /home/gziptest/silesia.tar
 [compress stats:] real: 1.15s cpu: 99% maxmem: 4252 KB cswaits: 1
number of threads: 1
 compression ratio: 3.1969 211957760 / 66299650 KB
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 [compress lvl: 5 ] zstd -q -f -T1 -5 /home/gziptest/silesia.tar
 [compress stats:] real: 1.73s cpu: 100% maxmem: 4372 KB cswaits: 1
number of threads: 1
 compression ratio: 3.2733 211957760 / 64753492 KB
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 [compress lvl: 6 ] zstd -q -f -T1 -6 /home/gziptest/silesia.tar
 [compress stats:] real: 2.16s cpu: 99% maxmem: 6304 KB cswaits: 1
number of threads: 1
 compression ratio: 3.3817 211957760 / 62676301 KB
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 [compress lvl: 7 ] zstd -q -f -T1 -7 /home/gziptest/silesia.tar
 [compress stats:] real: 2.74s cpu: 99% maxmem: 6816 KB cswaits: 1
number of threads: 1
 compression ratio: 3.4325 211957760 / 61749528 KB
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 [compress lvl: 8 ] zstd -q -f -T1 -8 /home/gziptest/silesia.tar
 [compress stats:] real: 3.41s cpu: 100% maxmem: 8864 KB cswaits: 1
number of threads: 1
 compression ratio: 3.4741 211957760 / 61009120 KB
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 [compress lvl: 9 ] zstd -q -f -T1 -9 /home/gziptest/silesia.tar
 [compress stats:] real: 3.85s cpu: 99% maxmem: 9904 KB cswaits: 1
number of threads: 1
 compression ratio: 3.4931 211957760 / 60677571 KB
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 [compress lvl: 10 ] zstd -q -f -T1 -10 /home/gziptest/silesia.tar
 [compress stats:] real: 5.44s cpu: 99% maxmem: 13984 KB cswaits: 1
number of threads: 1
 compression ratio: 3.5235 211957760 / 60154297 KB
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 [compress lvl: 11 ] zstd -q -f -T1 -11 /home/gziptest/silesia.tar
 [compress stats:] real: 6.60s cpu: 99% maxmem: 26272 KB cswaits: 2
number of threads: 1
 compression ratio: 3.5615 211957760 / 59512452 KB
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 [compress lvl: 12 ] zstd -q -f -T1 -12 /home/gziptest/silesia.tar
 [compress stats:] real: 8.42s cpu: 99% maxmem: 26268 KB cswaits: 1
number of threads: 1
 compression ratio: 3.5857 211957760 / 59111314 KB
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 [compress lvl: 13 ] zstd -q -f -T1 -13 /home/gziptest/silesia.tar
 [compress stats:] real: 11.59s cpu: 99% maxmem: 30368 KB cswaits: 1
number of threads: 1
 compression ratio: 3.6056 211957760 / 58785425 KB
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 [compress lvl: 14 ] zstd -q -f -T1 -14 /home/gziptest/silesia.tar
 [compress stats:] real: 16.15s cpu: 99% maxmem: 30368 KB cswaits: 1
number of threads: 1
 compression ratio: 3.6277 211957760 / 58426730 KB
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 [compress lvl: 15 ] zstd -q -f -T1 -15 /home/gziptest/silesia.tar
 [compress stats:] real: 23.06s cpu: 99% maxmem: 30364 KB cswaits: 1
number of threads: 1
 compression ratio: 3.6562 211957760 / 57971059 KB
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 [compress lvl: 16 ] zstd -q -f -T1 -16 /home/gziptest/silesia.tar
 [compress stats:] real: 28.43s cpu: 99% maxmem: 42652 KB cswaits: 2
number of threads: 1
 compression ratio: 3.7025 211957760 / 57246010 KB
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 [compress lvl: 17 ] zstd -q -f -T1 -17 /home/gziptest/silesia.tar
 [compress stats:] real: 35.89s cpu: 99% maxmem: 42784 KB cswaits: 2
number of threads: 1
 compression ratio: 3.7704 211957760 / 56215910 KB
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 [compress lvl: 18 ] zstd -q -f -T1 -18 /home/gziptest/silesia.tar
 [compress stats:] real: 41.76s cpu: 99% maxmem: 42784 KB cswaits: 3
number of threads: 1
 compression ratio: 3.8270 211957760 / 55384361 KB
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 [compress lvl: 19 ] zstd -q -f -T1 -19 /home/gziptest/silesia.tar
 [compress stats:] real: 54.46s cpu: 99% maxmem: 59796 KB cswaits: 4
number of threads: 1
 compression ratio: 3.9253 211957760 / 53996666 KB
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 [compress lvl: 20 ] zstd -q -f -T1 -20 --ultra /home/gziptest/silesia.tar
 [compress stats:] real: 65.70s cpu: 99% maxmem: 199064 KB cswaits: 3
number of threads: 1
 compression ratio: 3.9982 211957760 / 53012676 KB
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 [compress lvl: 21 ] zstd -q -f -T1 -21 --ultra /home/gziptest/silesia.tar
 [compress stats:] real: 79.23s cpu: 99% maxmem: 395672 KB cswaits: 4
number of threads: 1
 compression ratio: 4.0213 211957760 / 52707888 KB
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 [compress lvl: 22 ] zstd -q -f -T1 -22 --ultra /home/gziptest/silesia.tar
 [compress stats:] real: 94.34s cpu: 99% maxmem: 788888 KB cswaits: 7
number of threads: 1
 compression ratio: 4.0247 211957760 / 52664164 KB
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 [compress lvl: 1 ] zstd -q -f -T2 -1 /home/gziptest/silesia.tar
 [compress stats:] real: 0.31s cpu: 223% maxmem: 16588 KB cswaits: 195
number of threads: 2
 compression ratio: 2.8767 211957760 / 73678833 KB
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 [compress lvl: 2 ] zstd -q -f -T2 -2 /home/gziptest/silesia.tar
 [compress stats:] real: 0.40s cpu: 219% maxmem: 16988 KB cswaits: 205
number of threads: 2
 compression ratio: 3.0161 211957760 / 70275123 KB
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 [compress lvl: 3 ] zstd -q -f -T2 -3 /home/gziptest/silesia.tar
 [compress stats:] real: 0.53s cpu: 215% maxmem: 32796 KB cswaits: 111
number of threads: 2
 compression ratio: 3.1600 211957760 / 67074139 KB
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 [compress lvl: 4 ] zstd -q -f -T2 -4 /home/gziptest/silesia.tar
 [compress stats:] real: 0.59s cpu: 213% maxmem: 38344 KB cswaits: 112
number of threads: 2
 compression ratio: 3.1913 211957760 / 66416816 KB
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 [compress lvl: 5 ] zstd -q -f -T2 -5 /home/gziptest/silesia.tar
 [compress stats:] real: 0.87s cpu: 208% maxmem: 34376 KB cswaits: 114
number of threads: 2
 compression ratio: 3.2684 211957760 / 64848702 KB
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 [compress lvl: 6 ] zstd -q -f -T2 -6 /home/gziptest/silesia.tar
 [compress stats:] real: 1.36s cpu: 200% maxmem: 65948 KB cswaits: 66
number of threads: 2
 compression ratio: 3.3782 211957760 / 62740996 KB
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 [compress lvl: 7 ] zstd -q -f -T2 -7 /home/gziptest/silesia.tar
 [compress stats:] real: 1.64s cpu: 203% maxmem: 67080 KB cswaits: 65
number of threads: 2
 compression ratio: 3.4288 211957760 / 61815823 KB
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 [compress lvl: 8 ] zstd -q -f -T2 -8 /home/gziptest/silesia.tar
 [compress stats:] real: 2.25s cpu: 199% maxmem: 71068 KB cswaits: 69
number of threads: 2
 compression ratio: 3.4696 211957760 / 61089781 KB
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 [compress lvl: 9 ] zstd -q -f -T2 -9 /home/gziptest/silesia.tar
 [compress stats:] real: 2.59s cpu: 199% maxmem: 73108 KB cswaits: 62
number of threads: 2
 compression ratio: 3.4879 211957760 / 60769292 KB
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 [compress lvl: 10 ] zstd -q -f -T2 -10 /home/gziptest/silesia.tar
 [compress stats:] real: 3.21s cpu: 198% maxmem: 98036 KB cswaits: 65
number of threads: 2
 compression ratio: 3.5180 211957760 / 60248637 KB
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 [compress lvl: 11 ] zstd -q -f -T2 -11 /home/gziptest/silesia.tar
 [compress stats:] real: 4.10s cpu: 199% maxmem: 177844 KB cswaits: 47
number of threads: 2
 compression ratio: 3.5576 211957760 / 59577428 KB
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 [compress lvl: 12 ] zstd -q -f -T2 -12 /home/gziptest/silesia.tar
 [compress stats:] real: 5.45s cpu: 200% maxmem: 177848 KB cswaits: 38
number of threads: 2
 compression ratio: 3.5818 211957760 / 59175185 KB
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 [compress lvl: 13 ] zstd -q -f -T2 -13 /home/gziptest/silesia.tar
 [compress stats:] real: 7.76s cpu: 199% maxmem: 185712 KB cswaits: 40
number of threads: 2
 compression ratio: 3.6006 211957760 / 58866856 KB
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 [compress lvl: 14 ] zstd -q -f -T2 -14 /home/gziptest/silesia.tar
 [compress stats:] real: 11.79s cpu: 198% maxmem: 198264 KB cswaits: 42
number of threads: 2
 compression ratio: 3.6226 211957760 / 58509388 KB
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 [compress lvl: 15 ] zstd -q -f -T2 -15 /home/gziptest/silesia.tar
 [compress stats:] real: 13.71s cpu: 198% maxmem: 169112 KB cswaits: 32
number of threads: 2
 compression ratio: 3.6517 211957760 / 58042513 KB
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 [compress lvl: 16 ] zstd -q -f -T2 -16 /home/gziptest/silesia.tar
 [compress stats:] real: 16.38s cpu: 200% maxmem: 269356 KB cswaits: 28
number of threads: 2
 compression ratio: 3.6973 211957760 / 57326550 KB
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 [compress lvl: 17 ] zstd -q -f -T2 -17 /home/gziptest/silesia.tar
 [compress stats:] real: 20.20s cpu: 196% maxmem: 269260 KB cswaits: 20
number of threads: 2
 compression ratio: 3.7651 211957760 / 56295053 KB
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 [compress lvl: 18 ] zstd -q -f -T2 -18 /home/gziptest/silesia.tar
 [compress stats:] real: 23.31s cpu: 199% maxmem: 269528 KB cswaits: 27
number of threads: 2
 compression ratio: 3.8222 211957760 / 55453502 KB
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 [compress lvl: 19 ] zstd -q -f -T2 -19 /home/gziptest/silesia.tar
 [compress stats:] real: 29.23s cpu: 199% maxmem: 303924 KB cswaits: 26
number of threads: 2
 compression ratio: 3.9175 211957760 / 54104714 KB
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 [compress lvl: 20 ] zstd -q -f -T2 -20 --ultra /home/gziptest/silesia.tar
 [compress stats:] real: 46.19s cpu: 148% maxmem: 598824 KB cswaits: 8
number of threads: 2
 compression ratio: 3.9958 211957760 / 53045137 KB
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 [compress lvl: 21 ] zstd -q -f -T2 -21 --ultra /home/gziptest/silesia.tar
 [compress stats:] real: 75.82s cpu: 99% maxmem: 591008 KB cswaits: 7
number of threads: 2
 compression ratio: 4.0213 211957760 / 52708018 KB
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 [compress lvl: 22 ] zstd -q -f -T2 -22 --ultra /home/gziptest/silesia.tar
 [compress stats:] real: 91.27s cpu: 99% maxmem: 917932 KB cswaits: 6
number of threads: 2
 compression ratio: 4.0247 211957760 / 52664143 KB
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 [compress lvl: 1 ] zstd -q -f -T3 -1 /home/gziptest/silesia.tar
 [compress stats:] real: 0.22s cpu: 332% maxmem: 21136 KB cswaits: 190
number of threads: 3
 compression ratio: 2.8767 211957760 / 73678833 KB
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 [compress lvl: 2 ] zstd -q -f -T3 -2 /home/gziptest/silesia.tar
 [compress stats:] real: 0.32s cpu: 319% maxmem: 21816 KB cswaits: 212
number of threads: 3
 compression ratio: 3.0161 211957760 / 70275123 KB
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 [compress lvl: 3 ] zstd -q -f -T3 -3 /home/gziptest/silesia.tar
 [compress stats:] real: 0.42s cpu: 313% maxmem: 46320 KB cswaits: 115
number of threads: 3
 compression ratio: 3.1600 211957760 / 67074139 KB
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 [compress lvl: 4 ] zstd -q -f -T3 -4 /home/gziptest/silesia.tar
 [compress stats:] real: 0.55s cpu: 312% maxmem: 44632 KB cswaits: 114
number of threads: 3
 compression ratio: 3.1913 211957760 / 66416816 KB
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 [compress lvl: 5 ] zstd -q -f -T3 -5 /home/gziptest/silesia.tar
 [compress stats:] real: 0.73s cpu: 308% maxmem: 48700 KB cswaits: 121
number of threads: 3
 compression ratio: 3.2684 211957760 / 64848702 KB
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 [compress lvl: 6 ] zstd -q -f -T3 -6 /home/gziptest/silesia.tar
 [compress stats:] real: 1.11s cpu: 298% maxmem: 94192 KB cswaits: 66
number of threads: 3
 compression ratio: 3.3782 211957760 / 62740996 KB
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 [compress lvl: 7 ] zstd -q -f -T3 -7 /home/gziptest/silesia.tar
 [compress stats:] real: 1.42s cpu: 296% maxmem: 95712 KB cswaits: 67
number of threads: 3
 compression ratio: 3.4288 211957760 / 61815823 KB
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 [compress lvl: 8 ] zstd -q -f -T3 -8 /home/gziptest/silesia.tar
 [compress stats:] real: 1.80s cpu: 292% maxmem: 118084 KB cswaits: 76
number of threads: 3
 compression ratio: 3.4696 211957760 / 61089781 KB
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 [compress lvl: 9 ] zstd -q -f -T3 -9 /home/gziptest/silesia.tar
 [compress stats:] real: 2.19s cpu: 296% maxmem: 121564 KB cswaits: 78
number of threads: 3
 compression ratio: 3.4879 211957760 / 60769292 KB
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 [compress lvl: 10 ] zstd -q -f -T3 -10 /home/gziptest/silesia.tar
 [compress stats:] real: 2.61s cpu: 294% maxmem: 125464 KB cswaits: 68
number of threads: 3
 compression ratio: 3.5180 211957760 / 60248637 KB
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 [compress lvl: 11 ] zstd -q -f -T3 -11 /home/gziptest/silesia.tar
 [compress stats:] real: 3.43s cpu: 286% maxmem: 249044 KB cswaits: 43
number of threads: 3
 compression ratio: 3.5576 211957760 / 59577428 KB
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 [compress lvl: 12 ] zstd -q -f -T3 -12 /home/gziptest/silesia.tar
 [compress stats:] real: 4.72s cpu: 286% maxmem: 232452 KB cswaits: 48
number of threads: 3
 compression ratio: 3.5818 211957760 / 59175185 KB
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 [compress lvl: 13 ] zstd -q -f -T3 -13 /home/gziptest/silesia.tar
 [compress stats:] real: 6.36s cpu: 293% maxmem: 261676 KB cswaits: 55
number of threads: 3
 compression ratio: 3.6006 211957760 / 58866856 KB
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 [compress lvl: 14 ] zstd -q -f -T3 -14 /home/gziptest/silesia.tar
 [compress stats:] real: 9.74s cpu: 296% maxmem: 244792 KB cswaits: 57
number of threads: 3
 compression ratio: 3.6226 211957760 / 58509388 KB
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 [compress lvl: 15 ] zstd -q -f -T3 -15 /home/gziptest/silesia.tar
 [compress stats:] real: 10.64s cpu: 284% maxmem: 233652 KB cswaits: 41
number of threads: 3
 compression ratio: 3.6517 211957760 / 58042513 KB
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 [compress lvl: 16 ] zstd -q -f -T3 -16 /home/gziptest/silesia.tar
 [compress stats:] real: 12.32s cpu: 292% maxmem: 338432 KB cswaits: 37
number of threads: 3
 compression ratio: 3.6973 211957760 / 57326550 KB
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 [compress lvl: 17 ] zstd -q -f -T3 -17 /home/gziptest/silesia.tar
 [compress stats:] real: 15.11s cpu: 282% maxmem: 337304 KB cswaits: 27
number of threads: 3
 compression ratio: 3.7651 211957760 / 56295053 KB
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 [compress lvl: 18 ] zstd -q -f -T3 -18 /home/gziptest/silesia.tar
 [compress stats:] real: 17.36s cpu: 290% maxmem: 333228 KB cswaits: 24
number of threads: 3
 compression ratio: 3.8222 211957760 / 55453502 KB
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 [compress lvl: 19 ] zstd -q -f -T3 -19 /home/gziptest/silesia.tar
 [compress stats:] real: 22.06s cpu: 283% maxmem: 384420 KB cswaits: 20
number of threads: 3
 compression ratio: 3.9175 211957760 / 54104714 KB
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 [compress lvl: 20 ] zstd -q -f -T3 -20 --ultra /home/gziptest/silesia.tar
 [compress stats:] real: 46.22s cpu: 148% maxmem: 595556 KB cswaits: 9
number of threads: 3
 compression ratio: 3.9958 211957760 / 53045137 KB
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 [compress lvl: 21 ] zstd -q -f -T3 -21 --ultra /home/gziptest/silesia.tar
 [compress stats:] real: 76.23s cpu: 99% maxmem: 592016 KB cswaits: 8
number of threads: 3
 compression ratio: 4.0213 211957760 / 52708018 KB
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 [compress lvl: 2 ] zstd -q -f -T8 -2 /home/gziptest/silesia.tar
 [compress stats:] real: 0.21s cpu: 684% maxmem: 51944 KB cswaits: 148
number of threads: 8
 compression ratio: 3.0161 211957760 / 70275123 KB
------------------------------------------------------------------------------
 [compress lvl: 3 ] zstd -q -f -T8 -3 /home/gziptest/silesia.tar
 [compress stats:] real: 0.43s cpu: 731% maxmem: 106620 KB cswaits: 123
number of threads: 8
 compression ratio: 3.1600 211957760 / 67074139 KB
------------------------------------------------------------------------------
 [compress lvl: 4 ] zstd -q -f -T8 -4 /home/gziptest/silesia.tar
 [compress stats:] real: 0.74s cpu: 746% maxmem: 117892 KB cswaits: 140
number of threads: 8
 compression ratio: 3.1913 211957760 / 66416816 KB
------------------------------------------------------------------------------
 [compress lvl: 5 ] zstd -q -f -T8 -5 /home/gziptest/silesia.tar
 [compress stats:] real: 0.83s cpu: 746% maxmem: 116052 KB cswaits: 163
number of threads: 8
 compression ratio: 3.2684 211957760 / 64848702 KB
------------------------------------------------------------------------------
 [compress lvl: 6 ] zstd -q -f -T8 -6 /home/gziptest/silesia.tar
 [compress stats:] real: 1.07s cpu: 653% maxmem: 205940 KB cswaits: 96
number of threads: 8
 compression ratio: 3.3782 211957760 / 62740996 KB
------------------------------------------------------------------------------
 [compress lvl: 7 ] zstd -q -f -T8 -7 /home/gziptest/silesia.tar
 [compress stats:] real: 1.36s cpu: 683% maxmem: 198624 KB cswaits: 117
number of threads: 8
 compression ratio: 3.4288 211957760 / 61815823 KB
------------------------------------------------------------------------------
 [compress lvl: 8 ] zstd -q -f -T8 -8 /home/gziptest/silesia.tar
 [compress stats:] real: 1.54s cpu: 706% maxmem: 216236 KB cswaits: 94
number of threads: 8
 compression ratio: 3.4696 211957760 / 61089781 KB
------------------------------------------------------------------------------
 [compress lvl: 9 ] zstd -q -f -T8 -9 /home/gziptest/silesia.tar
 [compress stats:] real: 1.79s cpu: 718% maxmem: 219196 KB cswaits: 130
number of threads: 8
 compression ratio: 3.4879 211957760 / 60769292 KB
------------------------------------------------------------------------------
 [compress lvl: 10 ] zstd -q -f -T8 -10 /home/gziptest/silesia.tar
 [compress stats:] real: 2.06s cpu: 763% maxmem: 243452 KB cswaits: 109
number of threads: 8
 compression ratio: 3.5180 211957760 / 60248637 KB
------------------------------------------------------------------------------
 [compress lvl: 11 ] zstd -q -f -T8 -11 /home/gziptest/silesia.tar
 [compress stats:] real: 2.60s cpu: 703% maxmem: 398200 KB cswaits: 96
number of threads: 8
 compression ratio: 3.5576 211957760 / 59577428 KB
------------------------------------------------------------------------------
 [compress lvl: 12 ] zstd -q -f -T8 -12 /home/gziptest/silesia.tar
 [compress stats:] real: 3.62s cpu: 705% maxmem: 395292 KB cswaits: 81
number of threads: 8
 compression ratio: 3.5818 211957760 / 59175185 KB
------------------------------------------------------------------------------
 [compress lvl: 13 ] zstd -q -f -T8 -13 /home/gziptest/silesia.tar
 [compress stats:] real: 4.34s cpu: 719% maxmem: 432796 KB cswaits: 70
number of threads: 8
 compression ratio: 3.6006 211957760 / 58866856 KB
------------------------------------------------------------------------------
 [compress lvl: 14 ] zstd -q -f -T8 -14 /home/gziptest/silesia.tar
 [compress stats:] real: 6.71s cpu: 700% maxmem: 430088 KB cswaits: 76
number of threads: 8
 compression ratio: 3.6226 211957760 / 58509388 KB
------------------------------------------------------------------------------
 [compress lvl: 15 ] zstd -q -f -T8 -15 /home/gziptest/silesia.tar
 [compress stats:] real: 6.44s cpu: 692% maxmem: 426444 KB cswaits: 80
number of threads: 8
 compression ratio: 3.6517 211957760 / 58042513 KB
------------------------------------------------------------------------------
 [compress lvl: 16 ] zstd -q -f -T8 -16 /home/gziptest/silesia.tar
 [compress stats:] real: 8.78s cpu: 518% maxmem: 510788 KB cswaits: 36
number of threads: 8
 compression ratio: 3.6973 211957760 / 57326550 KB
------------------------------------------------------------------------------
 [compress lvl: 17 ] zstd -q -f -T8 -17 /home/gziptest/silesia.tar
 [compress stats:] real: 10.66s cpu: 506% maxmem: 515128 KB cswaits: 31
number of threads: 8
 compression ratio: 3.7651 211957760 / 56295053 KB
------------------------------------------------------------------------------
 [compress lvl: 18 ] zstd -q -f -T8 -18 /home/gziptest/silesia.tar
 [compress stats:] real: 12.78s cpu: 506% maxmem: 507288 KB cswaits: 27
number of threads: 8
 compression ratio: 3.8222 211957760 / 55453502 KB
------------------------------------------------------------------------------
 [compress lvl: 19 ] zstd -q -f -T8 -19 /home/gziptest/silesia.tar
 [compress stats:] real: 15.70s cpu: 515% maxmem: 623344 KB cswaits: 64
number of threads: 8
 compression ratio: 3.9175 211957760 / 54104714 KB
------------------------------------------------------------------------------
 [compress lvl: 20 ] zstd -q -f -T8 -20 --ultra /home/gziptest/silesia.tar
 [compress stats:] real: 46.21s cpu: 148% maxmem: 599040 KB cswaits: 14
number of threads: 8
 compression ratio: 3.9958 211957760 / 53045137 KB
------------------------------------------------------------------------------
 [compress lvl: 21 ] zstd -q -f -T8 -21 --ultra /home/gziptest/silesia.tar
 [compress stats:] real: 75.89s cpu: 99% maxmem: 591540 KB cswaits: 19
number of threads: 8
 compression ratio: 4.0213 211957760 / 52708018 KB
------------------------------------------------------------------------------
 [compress lvl: 22 ] zstd -q -f -T8 -22 --ultra /home/gziptest/silesia.tar
 [compress stats:] real: 90.77s cpu: 99% maxmem: 918512 KB cswaits: 12
number of threads: 8
 compression ratio: 4.0247 211957760 / 52664143 KB
*************************************************************************************
Tue Sep  5 03:14:58 UTC 2017
results logged: /root/gziplogs/threadzstd_050917-022112.txt
Sep 5 03:14 /root/gziplogs/threadzstd_050917-022112.txt
*************************************************************************************

method,no. threads,compression level,compress time,compress cpu %,compress max mem,compress context switch waits,compression ratio,compress size
zstd level 1,1,1,0.72,100,2100,1,2.8782,73641412
zstd level 2,1,2,0.89,99,2300,1,3.0209,70162147
zstd level 3,1,3,1.15,100,3324,1,3.1640,66989046
zstd level 4,1,4,1.15,99,4252,1,3.1969,66299650
zstd level 5,1,5,1.73,100,4372,1,3.2733,64753492
zstd level 6,1,6,2.16,99,6304,1,3.3817,62676301
zstd level 7,1,7,2.74,99,6816,1,3.4325,61749528
zstd level 8,1,8,3.41,100,8864,1,3.4741,61009120
zstd level 9,1,9,3.85,99,9904,1,3.4931,60677571
zstd level 10,1,10,5.44,99,13984,1,3.5235,60154297
zstd level 11,1,11,6.60,99,26272,2,3.5615,59512452
zstd level 12,1,12,8.42,99,26268,1,3.5857,59111314
zstd level 13,1,13,11.59,99,30368,1,3.6056,58785425
zstd level 14,1,14,16.15,99,30368,1,3.6277,58426730
zstd level 15,1,15,23.06,99,30364,1,3.6562,57971059
zstd level 16,1,16,28.43,99,42652,2,3.7025,57246010
zstd level 17,1,17,35.89,99,42784,2,3.7704,56215910
zstd level 18,1,18,41.76,99,42784,3,3.8270,55384361
zstd level 19,1,19,54.46,99,59796,4,3.9253,53996666
zstd level 20,1,20,65.70,99,199064,3,3.9982,53012676
zstd level 21,1,21,79.23,99,395672,4,4.0213,52707888
zstd level 22,1,22,94.34,99,788888,7,4.0247,52664164
zstd level 1,2,1,0.31,223,16588,195,2.8767,73678833
zstd level 2,2,2,0.40,219,16988,205,3.0161,70275123
zstd level 3,2,3,0.53,215,32796,111,3.1600,67074139
zstd level 4,2,4,0.59,213,38344,112,3.1913,66416816
zstd level 5,2,5,0.87,208,34376,114,3.2684,64848702
zstd level 6,2,6,1.36,200,65948,66,3.3782,62740996
zstd level 7,2,7,1.64,203,67080,65,3.4288,61815823
zstd level 8,2,8,2.25,199,71068,69,3.4696,61089781
zstd level 9,2,9,2.59,199,73108,62,3.4879,60769292
zstd level 10,2,10,3.21,198,98036,65,3.5180,60248637
zstd level 11,2,11,4.10,199,177844,47,3.5576,59577428
zstd level 12,2,12,5.45,200,177848,38,3.5818,59175185
zstd level 13,2,13,7.76,199,185712,40,3.6006,58866856
zstd level 14,2,14,11.79,198,198264,42,3.6226,58509388
zstd level 15,2,15,13.71,198,169112,32,3.6517,58042513
zstd level 16,2,16,16.38,200,269356,28,3.6973,57326550
zstd level 17,2,17,20.20,196,269260,20,3.7651,56295053
zstd level 18,2,18,23.31,199,269528,27,3.8222,55453502
zstd level 19,2,19,29.23,199,303924,26,3.9175,54104714
zstd level 20,2,20,46.19,148,598824,8,3.9958,53045137
zstd level 21,2,21,75.82,99,591008,7,4.0213,52708018
zstd level 22,2,22,91.27,99,917932,6,4.0247,52664143
zstd level 1,3,1,0.22,332,21136,190,2.8767,73678833
zstd level 2,3,2,0.32,319,21816,212,3.0161,70275123
zstd level 3,3,3,0.42,313,46320,115,3.1600,67074139
zstd level 4,3,4,0.55,312,44632,114,3.1913,66416816
zstd level 5,3,5,0.73,308,48700,121,3.2684,64848702
zstd level 6,3,6,1.11,298,94192,66,3.3782,62740996
zstd level 7,3,7,1.42,296,95712,67,3.4288,61815823
zstd level 8,3,8,1.80,292,118084,76,3.4696,61089781
zstd level 9,3,9,2.19,296,121564,78,3.4879,60769292
zstd level 10,3,10,2.61,294,125464,68,3.5180,60248637
zstd level 11,3,11,3.43,286,249044,43,3.5576,59577428
zstd level 12,3,12,4.72,286,232452,48,3.5818,59175185
zstd level 13,3,13,6.36,293,261676,55,3.6006,58866856
zstd level 14,3,14,9.74,296,244792,57,3.6226,58509388
zstd level 15,3,15,10.64,284,233652,41,3.6517,58042513
zstd level 16,3,16,12.32,292,338432,37,3.6973,57326550
zstd level 17,3,17,15.11,282,337304,27,3.7651,56295053
zstd level 18,3,18,17.36,290,333228,24,3.8222,55453502
zstd level 19,3,19,22.06,283,384420,20,3.9175,54104714
zstd level 20,3,20,46.22,148,595556,9,3.9958,53045137
zstd level 21,3,21,76.23,99,592016,8,4.0213,52708018
zstd level 22,3,22,91.07,99,918340,8,4.0247,52664143
zstd level 1,4,1,0.20,419,27456,174,2.8767,73678833
zstd level 2,4,2,0.25,425,27976,206,3.0161,70275123
zstd level 3,4,3,0.38,409,59848,120,3.1600,67074139
zstd level 4,4,4,0.51,412,62752,124,3.1913,66416816
zstd level 5,4,5,0.67,397,62744,130,3.2684,64848702
zstd level 6,4,6,1.05,391,122112,70,3.3782,62740996
zstd level 7,4,7,1.29,383,124352,73,3.4288,61815823
zstd level 8,4,8,1.64,392,132192,81,3.4696,61089781
zstd level 9,4,9,1.91,374,136012,70,3.4879,60769292
zstd level 10,4,10,2.29,395,152896,77,3.5180,60248637
zstd level 11,4,11,2.99,380,299344,56,3.5576,59577428
zstd level 12,4,12,4.11,380,298264,48,3.5818,59175185
zstd level 13,4,13,5.48,379,306944,52,3.6006,58866856
zstd level 14,4,14,8.72,356,315704,59,3.6226,58509388
zstd level 15,4,15,8.57,378,309088,64,3.6517,58042513
zstd level 16,4,16,10.77,351,386704,24,3.6973,57326550
zstd level 17,4,17,13.40,334,387524,33,3.7651,56295053
zstd level 18,4,18,15.91,331,388036,37,3.8222,55453502
zstd level 19,4,19,20.12,323,453272,26,3.9175,54104714
zstd level 20,4,20,46.16,147,598300,11,3.9958,53045137
zstd level 21,4,21,76.37,99,590884,10,4.0213,52708018
zstd level 22,4,22,90.63,99,919784,9,4.0247,52664143
zstd level 1,5,1,0.18,500,31740,188,2.8767,73678833
zstd level 2,5,2,0.23,508,32808,187,3.0161,70275123
zstd level 3,5,3,0.39,486,64792,124,3.1600,67074139
zstd level 4,5,4,0.54,476,69016,125,3.1913,66416816
zstd level 5,5,5,0.71,466,68476,131,3.2684,64848702
zstd level 6,5,6,1.05,466,133188,84,3.3782,62740996
zstd level 7,5,7,1.36,453,133408,85,3.4288,61815823
zstd level 8,5,8,1.57,464,141964,80,3.4696,61089781
zstd level 9,5,9,1.89,452,150996,79,3.4879,60769292
zstd level 10,5,10,2.25,457,171160,72,3.5180,60248637
zstd level 11,5,11,2.89,443,317632,52,3.5576,59577428
zstd level 12,5,12,3.95,459,319900,56,3.5818,59175185
zstd level 13,5,13,5.25,441,342236,62,3.6006,58866856
zstd level 14,5,14,8.23,429,338832,75,3.6226,58509388
zstd level 15,5,15,7.66,476,327504,51,3.6517,58042513
zstd level 16,5,16,10.21,409,430024,30,3.6973,57326550
zstd level 17,5,17,11.15,451,431232,55,3.7651,56295053
zstd level 18,5,18,13.56,441,430248,60,3.8222,55453502
zstd level 19,5,19,16.32,446,513568,33,3.9175,54104714
zstd level 20,5,20,46.20,148,597240,13,3.9958,53045137
zstd level 21,5,21,76.54,99,591940,11,4.0213,52708018
zstd level 22,5,22,90.78,99,917868,11,4.0247,52664143
zstd level 1,6,1,0.17,585,38352,177,2.8767,73678833
zstd level 2,6,2,0.21,595,41980,198,3.0161,70275123
zstd level 3,6,3,0.40,595,103980,124,3.1600,67074139
zstd level 4,6,4,0.66,596,108476,140,3.1913,66416816
zstd level 5,6,5,0.77,580,108808,150,3.2684,64848702
zstd level 6,6,6,1.04,573,166888,77,3.3782,62740996
zstd level 7,6,7,1.34,545,205020,90,3.4288,61815823
zstd level 8,6,8,1.58,566,215440,96,3.4696,61089781
zstd level 9,6,9,1.89,577,225924,83,3.4879,60769292
zstd level 10,6,10,2.14,583,225988,92,3.5180,60248637
zstd level 11,6,11,2.68,570,361972,57,3.5576,59577428
zstd level 12,6,12,3.80,545,361640,63,3.5818,59175185
zstd level 13,6,13,4.76,560,388056,54,3.6006,58866856
zstd level 14,6,14,7.36,545,378316,74,3.6226,58509388
zstd level 15,6,15,6.95,580,388620,64,3.6517,58042513
zstd level 16,6,16,9.02,504,476944,56,3.6973,57326550
zstd level 17,6,17,10.58,504,473648,58,3.7651,56295053
zstd level 18,6,18,12.44,521,472008,63,3.8222,55453502
zstd level 19,6,19,15.81,499,573268,24,3.9175,54104714
zstd level 20,6,20,46.11,148,596712,14,3.9958,53045137
zstd level 21,6,21,76.36,99,591552,10,4.0213,52708018
zstd level 22,6,22,90.64,99,916892,10,4.0247,52664143
zstd level 1,7,1,0.17,650,42644,167,2.8767,73678833
zstd level 2,7,2,0.20,680,46112,207,3.0161,70275123
zstd level 3,7,3,0.40,677,108400,120,3.1600,67074139
zstd level 4,7,4,0.63,685,114400,123,3.1913,66416816
zstd level 5,7,5,0.78,653,114472,152,3.2684,64848702
zstd level 6,7,6,1.05,616,202452,88,3.3782,62740996
zstd level 7,7,7,1.30,660,212916,89,3.4288,61815823
zstd level 8,7,8,1.57,643,221172,88,3.4696,61089781
zstd level 9,7,9,1.77,652,233308,95,3.4879,60769292
zstd level 10,7,10,2.13,651,263444,88,3.5180,60248637
zstd level 11,7,11,2.65,638,395924,77,3.5576,59577428
zstd level 12,7,12,3.62,651,405300,52,3.5818,59175185
zstd level 13,7,13,4.60,622,427968,87,3.6006,58866856
zstd level 14,7,14,6.99,627,424540,59,3.6226,58509388
zstd level 15,7,15,6.78,621,432588,61,3.6517,58042513
zstd level 16,7,16,8.85,510,514180,64,3.6973,57326550
zstd level 17,7,17,10.62,503,511612,65,3.7651,56295053
zstd level 18,7,18,12.46,521,507776,61,3.8222,55453502
zstd level 19,7,19,15.65,516,626480,26,3.9175,54104714
zstd level 20,7,20,46.43,148,595408,16,3.9958,53045137
zstd level 21,7,21,76.33,99,591080,14,4.0213,52708018
zstd level 22,7,22,90.87,99,919144,11,4.0247,52664143
zstd level 1,8,1,0.16,646,44804,173,2.8767,73678833
zstd level 2,8,2,0.21,684,51944,148,3.0161,70275123
zstd level 3,8,3,0.43,731,106620,123,3.1600,67074139
zstd level 4,8,4,0.74,746,117892,140,3.1913,66416816
zstd level 5,8,5,0.83,746,116052,163,3.2684,64848702
zstd level 6,8,6,1.07,653,205940,96,3.3782,62740996
zstd level 7,8,7,1.36,683,198624,117,3.4288,61815823
zstd level 8,8,8,1.54,706,216236,94,3.4696,61089781
zstd level 9,8,9,1.79,718,219196,130,3.4879,60769292
zstd level 10,8,10,2.06,763,243452,109,3.5180,60248637
zstd level 11,8,11,2.60,703,398200,96,3.5576,59577428
zstd level 12,8,12,3.62,705,395292,81,3.5818,59175185
zstd level 13,8,13,4.34,719,432796,70,3.6006,58866856
zstd level 14,8,14,6.71,700,430088,76,3.6226,58509388
zstd level 15,8,15,6.44,692,426444,80,3.6517,58042513
zstd level 16,8,16,8.78,518,510788,36,3.6973,57326550
zstd level 17,8,17,10.66,506,515128,31,3.7651,56295053
zstd level 18,8,18,12.78,506,507288,27,3.8222,55453502
zstd level 19,8,19,15.70,515,623344,64,3.9175,54104714
zstd level 20,8,20,46.21,148,599040,14,3.9958,53045137
zstd level 21,8,21,75.89,99,591540,19,4.0213,52708018
zstd level 22,8,22,90.77,99,918512,12,4.0247,52664143
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