Overall summary

summary
Operation Write Re-write Read Re-read Random read Random write Backwards read Record rewrite Strided Read Fwrite Frewrite Fread Freread
baelinemean val. 378.48 626.1 1563.01 1657.04 1584.0 688.32 1379.96 1237.19 1507.04 629.91 630.76 1442.64 1563.95
standard dev. 201.58 356.08 695.78 819.96 714.94 413.07 620.97 461.6 681.56 374.06 377.86 628.65 695.75
ci. min. 90% 364.69 601.74 1515.42 1600.94 1535.09 660.06 1337.48 1205.61 1460.42 604.32 604.91 1399.64 1516.36
ci. max. 90% 392.27 650.46 1610.61 1713.13 1632.9 716.57 1422.44 1268.76 1553.67 655.5 656.61 1485.65 1611.55
geom. mean 268.44 397.56 1256.73 1308.35 1277.11 412.71 1143.33 1143.51 1237.54 398.99 399.0 1189.61 1278.13
median 457.99 743.52 1649.1 1725.23 1681.89 769.79 1389.49 1261.51 1564.0 718.3 711.79 1514.39 1700.81
first quartile 201.94 254.77 877.2 880.66 872.96 294.51 870.33 753.23 872.71 309.47 307.45 873.76 887.44
third quartile 520.17 884.87 2128.31 2220.01 2154.04 969.7 1925.78 1698.36 2050.14 878.53 892.2 1968.61 2145.32
minimum 30.74 31.01 30.87 30.93 12.41 19.74 22.61 169.25 25.02 30.78 30.77 40.66 39.07
maximum 708.3 1210.96 3721.23 4197.96 2965.33 1428.96 2609.33 1986.67 3124.38 1421.21 1582.03 2626.4 2985.5
set1mean val. 509.0 582.37 1263.85 1627.13 1446.88 617.39 1084.93 1189.03 1522.71 582.64 600.45 1173.28 1496.08
standard dev. 280.23 331.38 854.2 962.77 650.37 361.06 686.8 425.7 746.59 344.2 369.54 757.89 719.37
ci. min. 90% 489.83 559.7 1205.41 1561.27 1402.39 592.69 1037.95 1159.91 1471.63 559.09 575.17 1121.44 1446.87
ci. max. 90% 528.17 605.04 1322.28 1692.99 1491.37 642.09 1131.92 1218.15 1573.78 606.19 625.73 1225.13 1545.29
geom. mean 361.99 409.61 763.36 1282.73 1177.57 415.53 628.6 1107.45 1233.9 409.22 414.41 726.98 1220.54
median 583.18 653.07 1426.68 1610.05 1550.78 679.78 1240.97 1220.35 1568.21 634.72 640.58 1337.4 1609.51
first quartile 201.91 445.83 717.35 846.35 864.57 421.83 657.92 745.41 845.28 403.18 418.16 660.49 839.97
third quartile 707.46 821.17 1959.79 2137.53 1949.81 871.65 1640.89 1603.69 2047.81 825.97 863.95 1780.42 1968.9
minimum 47.66 59.97 66.96 77.66 20.9 19.45 12.72 298.95 27.65 62.02 60.0 67.07 77.77
maximum 925.64 1168.18 3906.25 7812.5 2776.87 1260.9 2232.86 1858.6 3671.34 1317.95 1738.29 2626.54 3149.91
linear regression slope 90% TODO TODO TODO TODO TODO TODO TODO TODO TODO TODO TODO TODO TODO
baseline set1 difference 27.33 % -12.17 % -13.49 % -6.68 % -7.8 % -11.69 % -10.69 % -3.26 % 0.27 % -11.64 % -10.0 % -11.69 % -5.37 %
ttest p-value 0.0 0.0306 0.0 0.5691 0.0007 0.0019 0.0 0.065 0.7091 0.0253 0.1675 0.0 0.1027
ttest equality DIFF DIFF DIFF SAME DIFF DIFF DIFF DIFF SAME DIFF SAME DIFF SAME

Write

iwrite_fs
Write File size [kB] 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768 65536 131072 262144 524288 1048576
baselinemean val. 108.21 210.5 310.73 412.53 457.64 526.96 540.06 549.1 547.12 511.39 500.15 490.55 482.22 476.85 448.95 123.39 43.87 35.37 32.64
standard dev. 23.17 63.14 39.72 79.01 31.57 42.04 71.65 92.67 76.99 64.37 60.1 49.65 47.49 42.2 41.0 65.25 1.25 0.46 0.7
ci. min. 90% 80.95 168.2 290.14 377.9 445.43 512.25 517.0 521.32 525.43 494.24 484.92 478.52 471.18 464.96 437.4 105.01 43.52 35.24 32.45
ci. max. 90% 135.47 252.79 331.32 447.16 469.84 541.67 563.13 576.87 568.8 528.54 515.38 502.57 493.25 488.73 460.49 141.76 44.23 35.5 32.84
geom. mean 106.23 202.11 308.35 404.67 456.62 525.29 534.86 540.28 541.67 507.51 496.63 488.1 479.75 475.08 447.22 109.53 43.86 35.37 32.64
median 110.12 213.4 310.44 416.36 454.48 529.7 558.14 566.52 554.19 514.08 502.29 494.59 493.62 467.22 435.79 81.95 43.32 35.48 32.6
first quartile 101.0 150.44 286.72 367.1 437.05 501.14 505.28 516.54 479.78 476.53 462.5 451.48 442.05 437.63 419.45 75.13 43.03 35.1 32.52
third quartile 117.33 251.84 341.71 463.54 477.67 554.34 593.95 593.06 598.08 544.6 535.98 522.87 515.46 510.17 465.13 194.52 44.28 35.6 32.73
minimum 78.09 139.55 247.49 233.3 413.6 413.87 349.2 293.27 375.94 371.13 385.61 408.47 306.37 422.59 386.14 72.88 42.73 34.32 30.74
maximum 134.51 301.16 370.67 548.86 529.79 592.55 612.91 708.3 691.58 662.88 648.6 601.18 576.37 586.37 559.69 262.21 48.06 36.38 34.02
set1mean val. 108.21 210.5 310.73 412.53 457.64 526.96 540.06 549.1 547.12 511.39 500.15 490.55 482.22 476.85 448.95 123.39 43.87 35.37 32.64
standard dev. 23.17 63.14 39.72 79.01 31.57 42.04 71.65 92.67 76.99 64.37 60.1 49.65 47.49 42.2 41.0 65.25 1.25 0.46 0.7
ci. min. 90% 80.95 168.2 290.14 377.9 445.43 512.25 517.0 521.32 525.43 494.24 484.92 478.52 471.18 464.96 437.4 105.01 43.52 35.24 32.45
ci. max. 90% 135.47 252.79 331.32 447.16 469.84 541.67 563.13 576.87 568.8 528.54 515.38 502.57 493.25 488.73 460.49 141.76 44.23 35.5 32.84
geom. mean 106.23 202.11 308.35 404.67 456.62 525.29 534.86 540.28 541.67 507.51 496.63 488.1 479.75 475.08 447.22 109.53 43.86 35.37 32.64
median 110.12 213.4 310.44 416.36 454.48 529.7 558.14 566.52 554.19 514.08 502.29 494.59 493.62 467.22 435.79 81.95 43.32 35.48 32.6
first quartile 101.0 150.44 286.72 367.1 437.05 501.14 505.28 516.54 479.78 476.53 462.5 451.48 442.05 437.63 419.45 75.13 43.03 35.1 32.52
third quartile 117.33 251.84 341.71 463.54 477.67 554.34 593.95 593.06 598.08 544.6 535.98 522.87 515.46 510.17 465.13 194.52 44.28 35.6 32.73
minimum 78.09 139.55 247.49 233.3 413.6 413.87 349.2 293.27 375.94 371.13 385.61 408.47 306.37 422.59 386.14 72.88 42.73 34.32 30.74
maximum 134.51 301.16 370.67 548.86 529.79 592.55 612.91 708.3 691.58 662.88 648.6 601.18 576.37 586.37 559.69 262.21 48.06 36.38 34.02
baseline set1 difference -55.74 % -41.54 % -44.48 % -39.4 % -41.87 % -29.9 % -30.81 % -29.49 % -25.1 % -23.0 % -22.43 % -21.82 % -20.53 % -11.76 % -8.93 % 9.02 % -39.73 % -38.3 % -41.94 %
ttest p-value 0.0108 0.0003 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
ttest equality DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF
iwrite_bs
Write Block size [kB] 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384
baselinemean val. 420.06 461.28 502.95 520.65 416.01 407.73 380.88 334.5 313.93 283.59 272.54 249.29 213.44
standard dev. 134.75 113.87 82.95 79.7 221.04 227.51 225.99 203.09 201.05 192.23 199.62 199.89 190.88
ci. min. 90% 388.75 433.7 481.93 499.42 368.32 356.86 328.38 285.31 262.98 232.38 216.33 189.38 152.0
ci. max. 90% 451.36 488.86 523.97 541.88 463.69 458.59 433.39 383.69 364.89 334.8 328.75 309.2 274.88
geom. mean 386.28 441.64 495.5 514.12 287.94 275.05 250.66 220.4 201.82 179.15 164.74 145.0 120.95
median 464.9 493.13 513.25 529.66 515.03 507.21 485.21 448.06 430.23 409.24 418.29 305.1 81.52
first quartile 352.35 439.98 466.21 486.82 256.57 163.93 75.0 67.34 45.03 43.2 43.21 41.1 35.6
third quartile 511.32 535.86 561.01 559.35 561.11 568.42 550.63 486.0 464.07 439.11 435.63 438.61 424.91
minimum 78.09 141.97 294.14 293.27 30.92 30.96 30.74 32.5 32.35 32.6 32.52 32.41 32.58
maximum 601.63 579.66 673.72 708.3 693.55 701.2 668.44 566.21 564.33 509.95 498.04 494.08 461.81
set1mean val. 420.06 461.28 502.95 520.65 416.01 407.73 380.88 334.5 313.93 283.59 272.54 249.29 213.44
standard dev. 134.75 113.87 82.95 79.7 221.04 227.51 225.99 203.09 201.05 192.23 199.62 199.89 190.88
ci. min. 90% 388.75 433.7 481.93 499.42 368.32 356.86 328.38 285.31 262.98 232.38 216.33 189.38 152.0
ci. max. 90% 451.36 488.86 523.97 541.88 463.69 458.59 433.39 383.69 364.89 334.8 328.75 309.2 274.88
geom. mean 386.28 441.64 495.5 514.12 287.94 275.05 250.66 220.4 201.82 179.15 164.74 145.0 120.95
median 464.9 493.13 513.25 529.66 515.03 507.21 485.21 448.06 430.23 409.24 418.29 305.1 81.52
first quartile 352.35 439.98 466.21 486.82 256.57 163.93 75.0 67.34 45.03 43.2 43.21 41.1 35.6
third quartile 511.32 535.86 561.01 559.35 561.11 568.42 550.63 486.0 464.07 439.11 435.63 438.61 424.91
minimum 78.09 141.97 294.14 293.27 30.92 30.96 30.74 32.5 32.35 32.6 32.52 32.41 32.58
maximum 601.63 579.66 673.72 708.3 693.55 701.2 668.44 566.21 564.33 509.95 498.04 494.08 461.81
baseline set1 difference -27.6 % -28.75 % -33.26 % -32.19 % -24.98 % -23.5 % -22.88 % -18.47 % -16.09 % -15.93 % -10.91 % 14.41 % 6.54 %
ttest p-value 0.0 0.0 0.0 0.0 0.0043 0.0173 0.0309 0.1045 0.2323 0.2415 0.3326 0.4566 0.4752
ttest equality DIFF DIFF DIFF DIFF DIFF DIFF DIFF SAME SAME SAME SAME SAME SAME
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Re-write

rewrite_fs
Re-write File size [kB] 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768 65536 131072 262144 524288 1048576
baselinemean val. 243.38 485.2 680.28 799.66 852.14 878.98 989.13 953.75 927.92 827.23 809.32 796.93 753.08 736.98 727.85 128.97 44.22 35.87 33.19
standard dev. 126.51 172.15 200.05 197.57 138.57 135.27 102.06 129.23 115.04 141.33 137.98 137.99 91.53 70.78 64.27 73.04 1.66 0.46 0.69
ci. min. 90% 94.52 369.89 576.57 713.07 798.56 831.66 956.27 915.02 895.52 789.58 774.36 763.51 731.82 717.05 709.75 108.4 43.75 35.74 32.99
ci. max. 90% 392.25 600.52 784.0 886.24 905.72 926.3 1021.98 992.49 960.31 864.88 844.29 830.35 774.35 756.91 745.94 149.53 44.68 36.0 33.38
geom. mean 210.7 456.76 644.03 770.86 841.65 867.78 983.63 944.89 920.93 814.94 797.5 784.94 747.58 733.8 725.2 112.52 44.19 35.87 33.18
median 267.13 456.34 746.38 869.14 839.75 922.67 1010.38 943.45 909.1 841.37 804.67 804.27 766.96 704.85 691.42 82.29 43.41 36.08 33.26
first quartile 174.37 402.36 558.11 699.98 766.48 821.9 942.98 867.66 849.87 741.77 743.72 705.58 661.39 684.29 679.54 76.5 43.26 35.67 33.19
third quartile 336.14 596.76 791.8 944.28 933.54 969.46 1054.32 1062.09 1031.45 914.82 907.44 905.59 828.04 800.09 787.47 213.51 45.13 36.18 33.35
minimum 81.59 236.07 240.23 335.39 638.12 565.69 730.81 689.67 709.24 552.76 550.36 545.66 596.61 646.46 660.1 71.18 42.84 34.75 31.01
maximum 357.68 715.37 912.68 1076.07 1140.72 1059.58 1131.39 1210.96 1122.43 1127.53 1077.34 1050.12 929.69 903.52 867.9 272.68 49.95 36.46 34.15
set1mean val. 243.38 485.2 680.28 799.66 852.14 878.98 989.13 953.75 927.92 827.23 809.32 796.93 753.08 736.98 727.85 128.97 44.22 35.87 33.19
standard dev. 126.51 172.15 200.05 197.57 138.57 135.27 102.06 129.23 115.04 141.33 137.98 137.99 91.53 70.78 64.27 73.04 1.66 0.46 0.69
ci. min. 90% 94.52 369.89 576.57 713.07 798.56 831.66 956.27 915.02 895.52 789.58 774.36 763.51 731.82 717.05 709.75 108.4 43.75 35.74 32.99
ci. max. 90% 392.25 600.52 784.0 886.24 905.72 926.3 1021.98 992.49 960.31 864.88 844.29 830.35 774.35 756.91 745.94 149.53 44.68 36.0 33.38
geom. mean 210.7 456.76 644.03 770.86 841.65 867.78 983.63 944.89 920.93 814.94 797.5 784.94 747.58 733.8 725.2 112.52 44.19 35.87 33.18
median 267.13 456.34 746.38 869.14 839.75 922.67 1010.38 943.45 909.1 841.37 804.67 804.27 766.96 704.85 691.42 82.29 43.41 36.08 33.26
first quartile 174.37 402.36 558.11 699.98 766.48 821.9 942.98 867.66 849.87 741.77 743.72 705.58 661.39 684.29 679.54 76.5 43.26 35.67 33.19
third quartile 336.14 596.76 791.8 944.28 933.54 969.46 1054.32 1062.09 1031.45 914.82 907.44 905.59 828.04 800.09 787.47 213.51 45.13 36.18 33.35
minimum 81.59 236.07 240.23 335.39 638.12 565.69 730.81 689.67 709.24 552.76 550.36 545.66 596.61 646.46 660.1 71.18 42.84 34.75 31.01
maximum 357.68 715.37 912.68 1076.07 1140.72 1059.58 1131.39 1210.96 1122.43 1127.53 1077.34 1050.12 929.69 903.52 867.9 272.68 49.95 36.46 34.15
baseline set1 difference -55.61 % -38.49 % -11.45 % -16.58 % -24.78 % -1.83 % 5.88 % 5.75 % 13.13 % 14.17 % 18.36 % 18.17 % 18.08 % 26.2 % 35.12 % -0.19 % -44.02 % -43.55 % -47.08 %
ttest p-value 0.0027 0.0183 0.0806 0.0007 0.0 0.1041 0.0909 0.0942 0.0002 0.0026 0.0 0.0 0.0 0.0 0.0 0.0002 0.0 0.0 0.0
ttest equality DIFF DIFF DIFF DIFF DIFF SAME DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF
rewrite_bs
Re-write Block size [kB] 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384
baselinemean val. 739.33 833.35 859.75 927.2 677.87 680.51 629.98 539.36 464.92 416.2 401.0 366.74 323.94
standard dev. 214.96 181.0 152.66 120.71 382.85 404.56 404.09 351.97 318.76 302.95 316.13 317.26 315.91
ci. min. 90% 689.39 789.52 821.06 895.05 595.28 590.07 536.1 454.11 384.14 335.5 311.97 271.65 222.25
ci. max. 90% 789.27 877.19 898.44 959.36 760.47 770.96 723.86 624.6 545.71 496.91 490.02 461.83 425.63
geom. mean 687.86 803.98 845.19 919.51 418.84 402.69 360.51 308.81 264.01 230.55 208.36 180.14 150.11
median 793.68 862.01 861.58 906.72 835.63 848.93 783.08 723.91 633.69 571.0 604.69 417.21 83.84
first quartile 685.87 774.54 790.9 832.02 272.1 166.28 76.19 68.08 45.97 43.77 43.23 41.16 36.28
third quartile 891.68 944.28 946.49 1031.63 945.33 973.53 951.84 761.26 696.65 664.75 678.8 680.07 680.34
minimum 81.59 236.07 462.15 728.96 31.01 31.19 31.11 33.14 33.17 33.26 33.16 33.2 33.26
maximum 1027.11 1096.37 1210.96 1140.72 1106.32 1127.53 1131.39 962.96 844.2 838.54 799.23 730.99 712.35
set1mean val. 739.33 833.35 859.75 927.2 677.87 680.51 629.98 539.36 464.92 416.2 401.0 366.74 323.94
standard dev. 214.96 181.0 152.66 120.71 382.85 404.56 404.09 351.97 318.76 302.95 316.13 317.26 315.91
ci. min. 90% 689.39 789.52 821.06 895.05 595.28 590.07 536.1 454.11 384.14 335.5 311.97 271.65 222.25
ci. max. 90% 789.27 877.19 898.44 959.36 760.47 770.96 723.86 624.6 545.71 496.91 490.02 461.83 425.63
geom. mean 687.86 803.98 845.19 919.51 418.84 402.69 360.51 308.81 264.01 230.55 208.36 180.14 150.11
median 793.68 862.01 861.58 906.72 835.63 848.93 783.08 723.91 633.69 571.0 604.69 417.21 83.84
first quartile 685.87 774.54 790.9 832.02 272.1 166.28 76.19 68.08 45.97 43.77 43.23 41.16 36.28
third quartile 891.68 944.28 946.49 1031.63 945.33 973.53 951.84 761.26 696.65 664.75 678.8 680.07 680.34
minimum 81.59 236.07 462.15 728.96 31.01 31.19 31.11 33.14 33.17 33.26 33.16 33.2 33.26
maximum 1027.11 1096.37 1210.96 1140.72 1106.32 1127.53 1131.39 962.96 844.2 838.54 799.23 730.99 712.35
baseline set1 difference 3.53 % 2.2 % 2.07 % -0.98 % 17.39 % 20.55 % 22.14 % 23.97 % 20.94 % 11.49 % 18.0 % 43.99 % 1.74 %
ttest p-value 0.2663 0.6285 0.4948 0.1762 0.5339 0.2511 0.1063 0.2006 0.2916 0.4134 0.3673 0.3978 0.5291
ttest equality SAME SAME SAME SAME SAME SAME SAME SAME SAME SAME SAME SAME SAME
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Read

iread_fs
Read File size [kB] 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768 65536 131072 262144 524288 1048576
baselinemean val. 1689.2 2314.63 2163.02 2377.35 2239.07 2134.61 2105.59 1857.33 1782.5 1661.44 1614.81 1575.43 1514.84 1275.87 1238.89 1317.81 1340.42 1376.66 306.04
standard dev. 473.17 721.94 713.06 424.43 564.99 483.76 407.08 364.82 530.03 447.53 538.05 587.0 583.34 528.76 493.11 568.74 577.95 591.46 579.09
ci. min. 90% 1132.44 1831.05 1793.35 2191.33 2020.62 1965.37 1974.55 1747.99 1633.24 1542.22 1478.46 1433.26 1379.32 1126.97 1100.03 1157.65 1177.67 1210.11 142.97
ci. max. 90% 2245.97 2798.21 2532.68 2563.36 2457.52 2303.85 2236.62 1966.68 1931.75 1780.67 1751.17 1717.59 1650.37 1424.76 1377.75 1477.96 1503.16 1543.21 469.11
geom. mean 1638.75 2218.54 2000.96 2338.23 2164.23 2071.48 2063.27 1822.67 1698.86 1598.88 1520.43 1458.7 1399.82 1183.57 1152.38 1209.36 1228.5 1259.59 69.94
median 1689.2 2254.34 2236.94 2413.8 2264.33 2316.74 2156.39 1798.89 1712.22 1678.69 1621.73 1661.94 1699.89 947.33 870.72 871.87 879.83 881.78 31.06
first quartile 1279.43 1949.81 2198.77 2193.41 1821.03 1832.92 1869.12 1618.16 1454.97 1250.61 1171.48 979.33 911.67 869.53 848.07 856.78 862.58 871.82 30.95
third quartile 2098.98 2558.86 2641.97 2631.67 2715.01 2511.06 2388.27 2151.01 2257.37 2018.31 2137.04 2001.3 1917.46 1810.01 1778.75 1989.5 2088.15 2116.22 32.95
minimum 1279.43 1269.8 713.86 1412.33 1155.81 1048.98 1072.38 1222.25 682.58 771.03 744.73 760.17 752.09 797.13 802.51 840.36 849.16 868.03 30.87
maximum 2098.98 3721.23 3149.91 3135.27 3128.0 2776.87 3049.91 2589.7 2623.4 2512.46 2546.32 2601.76 2602.95 2283.24 2143.41 2199.65 2157.93 2171.6 2143.98
set1mean val. 1689.2 2314.63 2163.02 2377.35 2239.07 2134.61 2105.59 1857.33 1782.5 1661.44 1614.81 1575.43 1514.84 1275.87 1238.89 1317.81 1340.42 1376.66 306.04
standard dev. 473.17 721.94 713.06 424.43 564.99 483.76 407.08 364.82 530.03 447.53 538.05 587.0 583.34 528.76 493.11 568.74 577.95 591.46 579.09
ci. min. 90% 1132.44 1831.05 1793.35 2191.33 2020.62 1965.37 1974.55 1747.99 1633.24 1542.22 1478.46 1433.26 1379.32 1126.97 1100.03 1157.65 1177.67 1210.11 142.97
ci. max. 90% 2245.97 2798.21 2532.68 2563.36 2457.52 2303.85 2236.62 1966.68 1931.75 1780.67 1751.17 1717.59 1650.37 1424.76 1377.75 1477.96 1503.16 1543.21 469.11
geom. mean 1638.75 2218.54 2000.96 2338.23 2164.23 2071.48 2063.27 1822.67 1698.86 1598.88 1520.43 1458.7 1399.82 1183.57 1152.38 1209.36 1228.5 1259.59 69.94
median 1689.2 2254.34 2236.94 2413.8 2264.33 2316.74 2156.39 1798.89 1712.22 1678.69 1621.73 1661.94 1699.89 947.33 870.72 871.87 879.83 881.78 31.06
first quartile 1279.43 1949.81 2198.77 2193.41 1821.03 1832.92 1869.12 1618.16 1454.97 1250.61 1171.48 979.33 911.67 869.53 848.07 856.78 862.58 871.82 30.95
third quartile 2098.98 2558.86 2641.97 2631.67 2715.01 2511.06 2388.27 2151.01 2257.37 2018.31 2137.04 2001.3 1917.46 1810.01 1778.75 1989.5 2088.15 2116.22 32.95
minimum 1279.43 1269.8 713.86 1412.33 1155.81 1048.98 1072.38 1222.25 682.58 771.03 744.73 760.17 752.09 797.13 802.51 840.36 849.16 868.03 30.87
maximum 2098.98 3721.23 3149.91 3135.27 3128.0 2776.87 3049.91 2589.7 2623.4 2512.46 2546.32 2601.76 2602.95 2283.24 2143.41 2199.65 2157.93 2171.6 2143.98
baseline set1 difference -14.68 % -2.66 % -1.68 % -7.37 % -6.02 % -4.65 % 4.83 % 5.21 % 7.09 % -5.89 % 7.9 % 14.28 % 20.92 % 10.1 % 1.51 % 671.05 % 681.47 % 1102.23 % -57.91 %
ttest p-value 0.3685 0.7669 0.3405 0.2825 0.1096 0.087 0.2955 0.1628 0.1821 0.7781 0.0574 0.0892 0.1065 0.1676 0.3896 0.0 0.0 0.0 0.0204
ttest equality SAME SAME SAME SAME SAME DIFF SAME SAME SAME SAME DIFF DIFF SAME SAME SAME DIFF DIFF DIFF DIFF
iread_bs
Read Block size [kB] 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384
baselinemean val. 1840.94 2024.15 2050.71 2153.96 2025.18 1978.38 1853.42 1274.71 867.58 833.17 788.21 786.8 798.29
standard dev. 348.42 539.53 421.5 416.58 637.02 565.3 557.72 404.9 262.76 257.92 237.83 253.88 274.07
ci. min. 90% 1759.99 1893.48 1943.89 2042.98 1887.75 1852.0 1723.85 1176.65 800.99 764.46 721.23 710.7 710.07
ci. max. 90% 1921.88 2154.82 2157.54 2264.94 2162.61 2104.76 1982.99 1372.77 934.17 901.88 855.18 862.89 886.5
geom. mean 1802.24 1951.03 2009.46 2112.81 1616.46 1646.15 1526.64 1054.11 730.31 692.95 648.81 632.24 621.69
median 1915.23 2094.35 1959.69 2195.72 2120.05 2126.61 1927.8 1376.53 872.95 858.6 856.11 862.1 871.87
first quartile 1577.01 1632.27 1683.98 1792.17 1893.06 1779.66 1711.39 1121.05 848.9 816.64 818.53 833.03 863.67
third quartile 2067.53 2308.12 2429.55 2412.65 2399.31 2289.14 2155.15 1528.22 955.18 887.44 871.76 871.15 879.99
minimum 713.86 821.19 1444.83 1295.49 30.91 30.87 30.9 30.98 30.87 30.95 31.05 31.24 31.47
maximum 2558.86 3721.23 2855.42 3135.27 3128.0 2623.4 3049.91 1805.08 1333.3 1238.39 1017.95 1109.28 1053.95
set1mean val. 1840.94 2024.15 2050.71 2153.96 2025.18 1978.38 1853.42 1274.71 867.58 833.17 788.21 786.8 798.29
standard dev. 348.42 539.53 421.5 416.58 637.02 565.3 557.72 404.9 262.76 257.92 237.83 253.88 274.07
ci. min. 90% 1759.99 1893.48 1943.89 2042.98 1887.75 1852.0 1723.85 1176.65 800.99 764.46 721.23 710.7 710.07
ci. max. 90% 1921.88 2154.82 2157.54 2264.94 2162.61 2104.76 1982.99 1372.77 934.17 901.88 855.18 862.89 886.5
geom. mean 1802.24 1951.03 2009.46 2112.81 1616.46 1646.15 1526.64 1054.11 730.31 692.95 648.81 632.24 621.69
median 1915.23 2094.35 1959.69 2195.72 2120.05 2126.61 1927.8 1376.53 872.95 858.6 856.11 862.1 871.87
first quartile 1577.01 1632.27 1683.98 1792.17 1893.06 1779.66 1711.39 1121.05 848.9 816.64 818.53 833.03 863.67
third quartile 2067.53 2308.12 2429.55 2412.65 2399.31 2289.14 2155.15 1528.22 955.18 887.44 871.76 871.15 879.99
minimum 713.86 821.19 1444.83 1295.49 30.91 30.87 30.9 30.98 30.87 30.95 31.05 31.24 31.47
maximum 2558.86 3721.23 2855.42 3135.27 3128.0 2623.4 3049.91 1805.08 1333.3 1238.39 1017.95 1109.28 1053.95
baseline set1 difference 6.61 % 3.05 % -5.86 % 3.69 % 23.43 % 23.38 % 28.06 % 42.19 % 14.04 % 14.85 % 19.14 % 104.99 % 582.99 %
ttest p-value 0.9306 0.5036 0.5181 0.3952 0.0004 0.0 0.0 0.0 0.0007 0.0001 0.0 0.0002 0.0001
ttest equality SAME SAME SAME SAME DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF
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Re-read

reread_fs
Re-read File size [kB] 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768 65536 131072 262144 524288 1048576
baselinemean val. 2419.56 3045.88 2792.31 2588.49 2806.74 2475.35 2322.56 2004.03 1848.85 1607.97 1612.34 1587.74 1476.99 1287.06 1258.32 1334.75 1365.9 1403.55 366.33
standard dev. 1453.89 1051.65 830.17 777.88 409.21 501.99 526.5 529.38 534.73 612.38 592.7 655.41 517.46 491.45 507.11 577.92 605.88 623.8 658.51
ci. min. 90% 708.8 2341.45 2361.92 2247.58 2648.53 2299.73 2153.09 1845.36 1698.27 1444.83 1462.13 1429.01 1356.77 1148.67 1115.52 1172.0 1195.29 1227.89 180.89
ci. max. 90% 4130.32 3750.31 3222.69 2929.41 2964.96 2650.97 2492.04 2162.7 1999.42 1771.11 1762.55 1746.47 1597.2 1425.45 1401.12 1497.49 1536.51 1579.21 551.76
geom. mean 2060.29 2865.42 2672.49 2440.88 2774.43 2418.16 2248.74 1922.86 1762.99 1485.77 1497.88 1447.38 1382.53 1204.54 1169.07 1224.1 1245.69 1276.35 78.45
median 2398.55 2667.23 2641.97 2830.91 2985.5 2529.42 2417.62 2131.75 1784.21 1549.78 1679.21 1604.03 1565.87 960.85 878.94 882.17 885.14 883.08 31.14
first quartile 1284.58 2558.86 2190.98 2456.64 2575.67 2167.12 2136.86 1677.65 1595.78 1092.64 1032.03 910.05 946.12 880.66 856.3 866.85 865.63 872.74 31.06
third quartile 3533.53 4197.96 3337.34 3135.27 3021.13 2776.87 2696.97 2325.5 2263.76 2101.94 2059.22 2216.53 1948.76 1784.05 1821.34 2031.06 2121.41 2180.51 239.41
minimum 974.91 1320.99 1430.74 972.3 1785.65 1248.88 984.76 943.47 804.46 667.36 775.51 763.28 776.93 849.96 815.47 851.82 857.79 868.22 30.93
maximum 3906.25 4197.96 3899.63 3466.99 3284.78 3200.67 3049.91 2823.28 2709.84 2716.69 2668.64 2676.47 2382.72 2216.54 2100.37 2279.28 2361.06 2300.46 2228.73
set1mean val. 2419.56 3045.88 2792.31 2588.49 2806.74 2475.35 2322.56 2004.03 1848.85 1607.97 1612.34 1587.74 1476.99 1287.06 1258.32 1334.75 1365.9 1403.55 366.33
standard dev. 1453.89 1051.65 830.17 777.88 409.21 501.99 526.5 529.38 534.73 612.38 592.7 655.41 517.46 491.45 507.11 577.92 605.88 623.8 658.51
ci. min. 90% 708.8 2341.45 2361.92 2247.58 2648.53 2299.73 2153.09 1845.36 1698.27 1444.83 1462.13 1429.01 1356.77 1148.67 1115.52 1172.0 1195.29 1227.89 180.89
ci. max. 90% 4130.32 3750.31 3222.69 2929.41 2964.96 2650.97 2492.04 2162.7 1999.42 1771.11 1762.55 1746.47 1597.2 1425.45 1401.12 1497.49 1536.51 1579.21 551.76
geom. mean 2060.29 2865.42 2672.49 2440.88 2774.43 2418.16 2248.74 1922.86 1762.99 1485.77 1497.88 1447.38 1382.53 1204.54 1169.07 1224.1 1245.69 1276.35 78.45
median 2398.55 2667.23 2641.97 2830.91 2985.5 2529.42 2417.62 2131.75 1784.21 1549.78 1679.21 1604.03 1565.87 960.85 878.94 882.17 885.14 883.08 31.14
first quartile 1284.58 2558.86 2190.98 2456.64 2575.67 2167.12 2136.86 1677.65 1595.78 1092.64 1032.03 910.05 946.12 880.66 856.3 866.85 865.63 872.74 31.06
third quartile 3533.53 4197.96 3337.34 3135.27 3021.13 2776.87 2696.97 2325.5 2263.76 2101.94 2059.22 2216.53 1948.76 1784.05 1821.34 2031.06 2121.41 2180.51 239.41
minimum 974.91 1320.99 1430.74 972.3 1785.65 1248.88 984.76 943.47 804.46 667.36 775.51 763.28 776.93 849.96 815.47 851.82 857.79 868.22 30.93
maximum 3906.25 4197.96 3899.63 3466.99 3284.78 3200.67 3049.91 2823.28 2709.84 2716.69 2668.64 2676.47 2382.72 2216.54 2100.37 2279.28 2361.06 2300.46 2228.73
baseline set1 difference -38.6 % -28.32 % -16.13 % -9.71 % 0.0 % -11.82 % 8.32 % 6.14 % 2.57 % -13.43 % -0.89 % 6.74 % 6.15 % 12.31 % 3.13 % 6.86 % 5.7 % 2.55 % -61.92 %
ttest p-value 0.1142 0.0621 0.0149 0.0201 0.0822 0.1235 0.9464 0.9641 0.2982 0.5534 0.5802 0.132 0.083 0.2336 0.4115 0.047 0.0482 0.0633 0.0126
ttest equality SAME DIFF DIFF DIFF DIFF SAME SAME SAME SAME SAME SAME SAME DIFF SAME SAME DIFF DIFF DIFF DIFF
reread_bs
Re-read Block size [kB] 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384
baselinemean val. 2128.15 2387.08 2257.41 2371.21 2134.89 2058.87 1801.55 1229.06 841.43 792.89 815.55 798.92 783.31
standard dev. 627.13 775.76 569.52 443.82 624.29 645.92 610.22 408.19 247.58 231.08 252.22 258.63 269.13
ci. min. 90% 1982.46 2199.2 2113.07 2252.98 2000.21 1914.47 1659.78 1130.2 778.69 731.32 744.53 721.4 696.68
ci. max. 90% 2273.85 2574.96 2401.74 2489.45 2269.58 2203.28 1943.32 1327.92 904.17 854.45 886.58 876.44 869.94
geom. mean 2039.38 2272.64 2187.53 2329.61 1783.94 1697.42 1466.88 1015.45 711.22 664.4 668.55 640.93 611.1
median 2096.36 2151.71 2250.16 2316.34 2171.08 2151.27 1935.74 1187.09 880.1 860.89 871.16 866.98 865.77
first quartile 1703.21 1802.41 1838.45 2079.58 1920.79 1766.58 1584.68 1089.16 827.67 791.88 857.82 848.91 846.85
third quartile 2499.5 2892.48 2585.54 2778.35 2509.9 2418.12 2173.27 1488.53 904.33 872.22 896.06 876.83 875.54
minimum 972.3 1248.88 1250.62 1570.77 30.99 30.93 30.99 31.07 31.01 31.06 31.13 31.24 31.44
maximum 4197.96 4197.96 3899.63 3135.27 3128.0 3200.67 3049.91 1816.15 1321.12 1113.3 1132.99 1099.28 1058.07
set1mean val. 2128.15 2387.08 2257.41 2371.21 2134.89 2058.87 1801.55 1229.06 841.43 792.89 815.55 798.92 783.31
standard dev. 627.13 775.76 569.52 443.82 624.29 645.92 610.22 408.19 247.58 231.08 252.22 258.63 269.13
ci. min. 90% 1982.46 2199.2 2113.07 2252.98 2000.21 1914.47 1659.78 1130.2 778.69 731.32 744.53 721.4 696.68
ci. max. 90% 2273.85 2574.96 2401.74 2489.45 2269.58 2203.28 1943.32 1327.92 904.17 854.45 886.58 876.44 869.94
geom. mean 2039.38 2272.64 2187.53 2329.61 1783.94 1697.42 1466.88 1015.45 711.22 664.4 668.55 640.93 611.1
median 2096.36 2151.71 2250.16 2316.34 2171.08 2151.27 1935.74 1187.09 880.1 860.89 871.16 866.98 865.77
first quartile 1703.21 1802.41 1838.45 2079.58 1920.79 1766.58 1584.68 1089.16 827.67 791.88 857.82 848.91 846.85
third quartile 2499.5 2892.48 2585.54 2778.35 2509.9 2418.12 2173.27 1488.53 904.33 872.22 896.06 876.83 875.54
minimum 972.3 1248.88 1250.62 1570.77 30.99 30.93 30.99 31.07 31.01 31.06 31.13 31.24 31.44
maximum 4197.96 4197.96 3899.63 3135.27 3128.0 3200.67 3049.91 1816.15 1321.12 1113.3 1132.99 1099.28 1058.07
baseline set1 difference 3.14 % -3.72 % 0.2 % 4.01 % 24.28 % 25.18 % 20.61 % 1.82 % 4.58 % 6.55 % 5.54 % 5.61 % 5.09 %
ttest p-value 0.1946 0.0912 0.0866 0.8605 0.0489 0.0104 0.0693 0.1389 0.3288 0.3437 0.3386 0.428 0.3719
ttest equality SAME DIFF DIFF SAME DIFF DIFF DIFF SAME SAME SAME SAME SAME SAME
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Random read

randrd_fs
Random read File size [kB] 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768 65536 131072 262144 524288 1048576
baselinemean val. 1048.56 1645.9 2135.55 2398.79 2438.91 2424.85 2307.96 2061.84 1911.3 1616.18 1589.16 1492.08 1401.02 1271.29 1286.62 1330.7 1357.48 1380.62 371.15
standard dev. 295.87 370.01 412.29 392.8 387.33 296.67 410.35 527.68 516.44 584.25 538.16 555.29 463.98 480.44 558.5 580.02 600.54 607.73 659.71
ci. min. 90% 700.42 1398.06 1921.81 2226.64 2289.14 2321.06 2175.87 1903.68 1765.87 1460.53 1452.78 1357.59 1293.23 1136.0 1129.35 1167.37 1188.37 1209.48 185.38
ci. max. 90% 1396.71 1893.75 2349.3 2570.94 2588.67 2528.64 2440.05 2220.0 2056.72 1771.82 1725.55 1626.56 1508.81 1406.58 1443.89 1494.03 1526.59 1551.75 556.92
geom. mean 1013.25 1603.93 2094.92 2361.57 2407.26 2407.5 2255.47 1983.65 1834.73 1507.16 1489.37 1387.22 1321.47 1190.86 1182.38 1219.85 1239.13 1259.34 83.42
median 1127.17 1762.38 2198.77 2579.87 2654.21 2374.63 2403.31 2096.57 1880.27 1570.52 1621.27 1544.24 1506.39 956.13 874.84 880.78 877.28 874.31 45.55
first quartile 896.3 1457.29 1887.33 2193.41 2152.15 2212.25 2251.1 1803.53 1618.23 1103.44 1171.63 978.39 878.25 867.69 843.69 868.9 863.69 871.66 32.76
third quartile 1279.43 1949.81 2539.59 2631.67 2715.01 2624.19 2480.08 2423.0 2338.27 2167.36 1928.01 1952.6 1755.49 1820.13 1781.29 2038.1 2109.29 2108.93 253.61
minimum 660.49 969.3 1289.93 1300.24 1640.39 1894.06 757.75 775.34 853.92 729.71 759.47 769.81 784.23 841.49 826.38 845.53 857.55 865.9 12.41
maximum 1279.43 1949.81 2641.97 2861.48 2855.42 2965.33 2843.17 2925.69 2840.12 2688.82 2602.41 2649.0 2355.37 2118.21 2353.38 2347.37 2299.99 2313.46 2244.2
set1mean val. 1048.56 1645.9 2135.55 2398.79 2438.91 2424.85 2307.96 2061.84 1911.3 1616.18 1589.16 1492.08 1401.02 1271.29 1286.62 1330.7 1357.48 1380.62 371.15
standard dev. 295.87 370.01 412.29 392.8 387.33 296.67 410.35 527.68 516.44 584.25 538.16 555.29 463.98 480.44 558.5 580.02 600.54 607.73 659.71
ci. min. 90% 700.42 1398.06 1921.81 2226.64 2289.14 2321.06 2175.87 1903.68 1765.87 1460.53 1452.78 1357.59 1293.23 1136.0 1129.35 1167.37 1188.37 1209.48 185.38
ci. max. 90% 1396.71 1893.75 2349.3 2570.94 2588.67 2528.64 2440.05 2220.0 2056.72 1771.82 1725.55 1626.56 1508.81 1406.58 1443.89 1494.03 1526.59 1551.75 556.92
geom. mean 1013.25 1603.93 2094.92 2361.57 2407.26 2407.5 2255.47 1983.65 1834.73 1507.16 1489.37 1387.22 1321.47 1190.86 1182.38 1219.85 1239.13 1259.34 83.42
median 1127.17 1762.38 2198.77 2579.87 2654.21 2374.63 2403.31 2096.57 1880.27 1570.52 1621.27 1544.24 1506.39 956.13 874.84 880.78 877.28 874.31 45.55
first quartile 896.3 1457.29 1887.33 2193.41 2152.15 2212.25 2251.1 1803.53 1618.23 1103.44 1171.63 978.39 878.25 867.69 843.69 868.9 863.69 871.66 32.76
third quartile 1279.43 1949.81 2539.59 2631.67 2715.01 2624.19 2480.08 2423.0 2338.27 2167.36 1928.01 1952.6 1755.49 1820.13 1781.29 2038.1 2109.29 2108.93 253.61
minimum 660.49 969.3 1289.93 1300.24 1640.39 1894.06 757.75 775.34 853.92 729.71 759.47 769.81 784.23 841.49 826.38 845.53 857.55 865.9 12.41
maximum 1279.43 1949.81 2641.97 2861.48 2855.42 2965.33 2843.17 2925.69 2840.12 2688.82 2602.41 2649.0 2355.37 2118.21 2353.38 2347.37 2299.99 2313.46 2244.2
baseline set1 difference 0.0 % 0.0 % 13.42 % 11.67 % 6.12 % -4.08 % 20.17 % 14.25 % 10.27 % -4.72 % -4.33 % 13.06 % 10.51 % 12.69 % 2.6 % 2.79 % 0.41 % -0.61 % -38.36 %
ttest p-value 0.5824 0.864 0.2532 0.126 0.888 0.2738 0.0173 0.0743 0.034 0.8549 0.9301 0.0746 0.0823 0.1923 0.3214 0.1826 0.2491 0.7626 0.009
ttest equality SAME SAME SAME SAME SAME SAME DIFF DIFF DIFF SAME SAME DIFF DIFF SAME SAME SAME SAME SAME DIFF
randrd_bs
Random read Block size [kB] 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384
baselinemean val. 1755.11 2109.62 2251.73 2250.62 2082.15 2010.31 1807.71 1267.33 806.28 805.78 825.4 795.43 781.23
standard dev. 350.82 405.42 388.57 458.53 580.99 575.67 594.75 377.54 220.59 230.33 256.46 249.04 260.54
ci. min. 90% 1673.61 2011.43 2153.26 2128.47 1956.81 1881.61 1669.54 1175.89 750.37 744.41 753.19 720.79 697.37
ci. max. 90% 1836.61 2207.81 2350.21 2372.78 2207.49 2139.01 1945.88 1358.77 862.18 867.14 897.62 870.08 865.1
geom. mean 1714.48 2066.55 2215.13 2201.42 1679.43 1636.9 1463.16 1061.88 700.24 692.86 696.52 666.0 638.51
median 1797.04 2176.84 2346.88 2344.55 2105.65 2134.18 1915.06 1350.61 864.39 853.11 865.28 865.59 867.82
first quartile 1497.16 1830.33 1965.83 1819.19 1886.8 1891.33 1650.22 1141.52 811.18 833.8 842.45 838.68 833.46
third quartile 2005.51 2419.38 2545.79 2631.67 2363.37 2276.67 2209.9 1522.85 876.41 867.89 879.23 872.98 872.89
minimum 660.49 969.3 1300.24 1231.59 12.41 20.34 27.51 34.27 41.75 44.45 45.57 49.33 49.07
maximum 2321.85 2824.65 2824.65 2915.86 2965.33 2925.69 2843.17 1818.23 1170.68 1091.61 1212.07 1017.95 994.9
set1mean val. 1755.11 2109.62 2251.73 2250.62 2082.15 2010.31 1807.71 1267.33 806.28 805.78 825.4 795.43 781.23
standard dev. 350.82 405.42 388.57 458.53 580.99 575.67 594.75 377.54 220.59 230.33 256.46 249.04 260.54
ci. min. 90% 1673.61 2011.43 2153.26 2128.47 1956.81 1881.61 1669.54 1175.89 750.37 744.41 753.19 720.79 697.37
ci. max. 90% 1836.61 2207.81 2350.21 2372.78 2207.49 2139.01 1945.88 1358.77 862.18 867.14 897.62 870.08 865.1
geom. mean 1714.48 2066.55 2215.13 2201.42 1679.43 1636.9 1463.16 1061.88 700.24 692.86 696.52 666.0 638.51
median 1797.04 2176.84 2346.88 2344.55 2105.65 2134.18 1915.06 1350.61 864.39 853.11 865.28 865.59 867.82
first quartile 1497.16 1830.33 1965.83 1819.19 1886.8 1891.33 1650.22 1141.52 811.18 833.8 842.45 838.68 833.46
third quartile 2005.51 2419.38 2545.79 2631.67 2363.37 2276.67 2209.9 1522.85 876.41 867.89 879.23 872.98 872.89
minimum 660.49 969.3 1300.24 1231.59 12.41 20.34 27.51 34.27 41.75 44.45 45.57 49.33 49.07
maximum 2321.85 2824.65 2824.65 2915.86 2965.33 2925.69 2843.17 1818.23 1170.68 1091.61 1212.07 1017.95 994.9
baseline set1 difference 9.48 % 11.64 % 12.5 % 8.44 % 10.33 % 23.06 % 15.02 % 8.55 % 3.56 % 2.31 % 1.3 % 5.71 % 3.79 %
ttest p-value 0.0179 0.0355 0.0424 0.2313 0.0393 0.0232 0.0388 0.1148 0.5593 0.6615 0.6174 0.3526 0.5213
ttest equality DIFF DIFF DIFF SAME DIFF DIFF DIFF SAME SAME SAME SAME SAME SAME
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Random write

randwr_fs
Random write File size [kB] 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768 65536 131072 262144 524288 1048576
baselinemean val. 380.69 534.93 787.76 1009.69 1049.15 1172.17 1212.49 1097.61 1018.01 850.85 839.53 793.96 785.18 775.09 755.89 122.92 39.75 30.69 27.45
standard dev. 171.44 100.65 122.13 123.94 212.14 193.49 148.49 227.0 187.49 212.29 140.0 88.12 93.98 88.96 81.42 72.34 2.23 2.04 3.31
ci. min. 90% 178.96 467.51 724.44 955.37 967.12 1104.48 1164.69 1029.57 965.22 794.29 804.05 772.62 763.35 750.04 732.96 102.55 39.13 30.11 26.52
ci. max. 90% 582.41 602.35 851.07 1064.0 1131.17 1239.86 1260.29 1165.64 1070.81 907.4 875.01 815.3 807.01 800.14 778.81 143.29 40.38 31.26 28.38
geom. mean 357.11 525.71 777.27 1001.36 1017.55 1150.42 1202.98 1072.37 1000.13 823.45 828.32 789.01 779.99 770.35 751.84 106.07 39.69 30.62 27.23
median 313.49 577.56 823.26 1042.91 1051.53 1190.74 1244.4 1107.39 982.89 839.25 814.37 813.42 760.98 732.58 717.87 79.51 38.57 30.75 28.0
first quartile 293.59 470.51 738.25 977.75 971.64 1087.61 1120.31 948.92 901.8 662.3 743.64 736.61 719.65 709.32 696.42 69.1 37.79 29.91 26.91
third quartile 400.59 600.67 864.53 1091.89 1226.08 1304.85 1339.09 1278.9 1158.91 1072.46 934.38 849.55 828.2 866.3 807.05 215.42 42.34 31.67 28.96
minimum 260.87 356.93 472.14 662.63 332.33 466.53 814.23 576.01 581.1 430.56 594.9 634.06 645.78 671.03 664.2 64.93 36.96 26.33 19.74
maximum 634.9 644.97 925.58 1122.14 1279.96 1373.18 1428.96 1424.88 1349.6 1231.48 1150.48 975.48 1029.33 949.07 913.61 264.54 43.94 34.78 32.17
set1mean val. 380.69 534.93 787.76 1009.69 1049.15 1172.17 1212.49 1097.61 1018.01 850.85 839.53 793.96 785.18 775.09 755.89 122.92 39.75 30.69 27.45
standard dev. 171.44 100.65 122.13 123.94 212.14 193.49 148.49 227.0 187.49 212.29 140.0 88.12 93.98 88.96 81.42 72.34 2.23 2.04 3.31
ci. min. 90% 178.96 467.51 724.44 955.37 967.12 1104.48 1164.69 1029.57 965.22 794.29 804.05 772.62 763.35 750.04 732.96 102.55 39.13 30.11 26.52
ci. max. 90% 582.41 602.35 851.07 1064.0 1131.17 1239.86 1260.29 1165.64 1070.81 907.4 875.01 815.3 807.01 800.14 778.81 143.29 40.38 31.26 28.38
geom. mean 357.11 525.71 777.27 1001.36 1017.55 1150.42 1202.98 1072.37 1000.13 823.45 828.32 789.01 779.99 770.35 751.84 106.07 39.69 30.62 27.23
median 313.49 577.56 823.26 1042.91 1051.53 1190.74 1244.4 1107.39 982.89 839.25 814.37 813.42 760.98 732.58 717.87 79.51 38.57 30.75 28.0
first quartile 293.59 470.51 738.25 977.75 971.64 1087.61 1120.31 948.92 901.8 662.3 743.64 736.61 719.65 709.32 696.42 69.1 37.79 29.91 26.91
third quartile 400.59 600.67 864.53 1091.89 1226.08 1304.85 1339.09 1278.9 1158.91 1072.46 934.38 849.55 828.2 866.3 807.05 215.42 42.34 31.67 28.96
minimum 260.87 356.93 472.14 662.63 332.33 466.53 814.23 576.01 581.1 430.56 594.9 634.06 645.78 671.03 664.2 64.93 36.96 26.33 19.74
maximum 634.9 644.97 925.58 1122.14 1279.96 1373.18 1428.96 1424.88 1349.6 1231.48 1150.48 975.48 1029.33 949.07 913.61 264.54 43.94 34.78 32.17
baseline set1 difference -42.97 % -11.34 % -2.33 % 0.1 % -9.22 % 15.78 % 12.0 % 9.74 % 12.16 % 12.17 % 11.63 % 14.17 % 12.79 % 18.0 % 26.27 % -1.64 % -50.02 % -50.47 % -51.95 %
ttest p-value 0.3554 0.0685 0.1075 0.9462 0.0957 0.0034 0.0009 0.0128 0.0004 0.0591 0.0 0.0 0.0 0.0 0.0 0.0006 0.0 0.0 0.0
ttest equality SAME DIFF SAME SAME DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF
randwr_bs
Random write Block size [kB] 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384
baselinemean val. 831.0 928.91 1041.47 1074.5 784.51 728.04 654.13 542.36 459.19 436.52 423.14 384.92 339.81
standard dev. 216.71 240.92 217.06 195.37 472.56 461.84 426.37 362.16 319.0 321.67 339.42 340.18 335.65
ci. min. 90% 780.65 870.56 986.46 1022.45 682.56 624.79 555.07 454.65 378.35 350.83 327.56 282.96 231.77
ci. max. 90% 881.35 987.26 1096.48 1126.54 886.46 831.29 753.18 630.07 540.04 522.22 518.72 486.89 447.85
geom. mean 795.46 893.21 1014.61 1056.63 434.31 398.71 356.78 296.52 249.7 225.46 206.82 179.1 150.94
median 844.53 921.92 1045.09 1086.05 908.79 881.87 840.37 726.4 627.16 644.15 650.08 432.75 83.82
first quartile 713.57 777.21 873.19 864.46 252.87 140.37 69.29 60.35 41.37 37.69 38.97 38.78 34.7
third quartile 998.88 1114.99 1204.47 1225.46 1116.69 1021.39 914.07 776.45 691.75 700.29 713.84 706.28 716.63
minimum 260.87 356.93 332.33 785.86 19.74 23.79 26.61 27.75 27.73 27.01 28.72 29.73 31.64
maximum 1187.65 1301.59 1392.71 1417.18 1428.96 1424.88 1342.94 1026.81 921.66 834.4 858.0 863.74 760.45
set1mean val. 831.0 928.91 1041.47 1074.5 784.51 728.04 654.13 542.36 459.19 436.52 423.14 384.92 339.81
standard dev. 216.71 240.92 217.06 195.37 472.56 461.84 426.37 362.16 319.0 321.67 339.42 340.18 335.65
ci. min. 90% 780.65 870.56 986.46 1022.45 682.56 624.79 555.07 454.65 378.35 350.83 327.56 282.96 231.77
ci. max. 90% 881.35 987.26 1096.48 1126.54 886.46 831.29 753.18 630.07 540.04 522.22 518.72 486.89 447.85
geom. mean 795.46 893.21 1014.61 1056.63 434.31 398.71 356.78 296.52 249.7 225.46 206.82 179.1 150.94
median 844.53 921.92 1045.09 1086.05 908.79 881.87 840.37 726.4 627.16 644.15 650.08 432.75 83.82
first quartile 713.57 777.21 873.19 864.46 252.87 140.37 69.29 60.35 41.37 37.69 38.97 38.78 34.7
third quartile 998.88 1114.99 1204.47 1225.46 1116.69 1021.39 914.07 776.45 691.75 700.29 713.84 706.28 716.63
minimum 260.87 356.93 332.33 785.86 19.74 23.79 26.61 27.75 27.73 27.01 28.72 29.73 31.64
maximum 1187.65 1301.59 1392.71 1417.18 1428.96 1424.88 1342.94 1026.81 921.66 834.4 858.0 863.74 760.45
baseline set1 difference 8.64 % 6.05 % 5.4 % 5.7 % 23.34 % 22.0 % 23.58 % 18.29 % 10.91 % 13.95 % 17.3 % 38.94 % 4.8 %
ttest p-value 0.2233 0.5636 0.0373 0.0125 0.1876 0.1837 0.1774 0.3321 0.477 0.5029 0.4896 0.5808 0.5879
ttest equality SAME SAME DIFF DIFF SAME SAME SAME SAME SAME SAME SAME SAME SAME
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Backwards read

bkwdrd_fs
Backwards read File size [kB] 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768 65536 131072 262144 524288 1048576
baselinemean val. 312.87 504.4 774.52 1057.34 1407.57 1609.2 1621.66 1592.98 1689.52 1633.6 1664.52 1579.58 1528.46 1285.02 1298.07 1261.89 1356.32 1382.41 389.04
standard dev. 80.77 90.82 136.46 233.27 328.32 295.67 302.99 445.89 473.44 541.65 585.2 565.19 623.17 537.58 541.88 524.57 596.97 601.25 660.84
ci. min. 90% 217.82 443.57 703.78 955.11 1280.63 1505.76 1524.13 1459.33 1556.21 1489.3 1516.21 1442.69 1383.68 1133.64 1145.48 1114.17 1188.22 1213.11 202.95
ci. max. 90% 407.91 565.24 845.27 1159.57 1534.51 1712.63 1719.19 1726.62 1822.84 1777.9 1812.83 1716.46 1673.23 1436.4 1450.66 1409.61 1524.43 1551.72 575.13
geom. mean 306.07 495.4 763.15 1032.89 1364.45 1582.75 1592.12 1525.25 1617.21 1540.48 1555.02 1472.46 1393.52 1189.28 1198.94 1166.14 1238.89 1262.44 116.98
median 278.61 521.74 764.19 1094.34 1486.88 1580.33 1622.42 1570.27 1616.75 1554.87 1611.29 1641.44 1581.73 943.94 894.97 877.18 880.76 882.42 64.81
first quartile 274.18 490.5 698.87 824.07 1220.46 1449.12 1434.83 1283.21 1375.08 1236.19 1157.42 1017.65 899.57 870.03 860.95 835.47 862.66 870.72 46.95
third quartile 317.3 557.22 844.07 1204.64 1610.35 1766.5 1850.79 1916.68 2118.84 2135.74 2214.74 1980.14 2083.04 1888.96 1987.4 1790.81 2120.08 2131.94 269.87
minimum 260.87 298.42 516.82 679.81 703.17 999.01 905.66 675.67 650.6 670.03 782.49 704.54 437.0 788.74 833.17 812.1 850.98 867.29 22.61
maximum 433.37 597.89 980.99 1564.0 1888.57 2271.56 2270.6 2416.61 2480.65 2547.56 2589.15 2534.74 2609.33 2329.81 2225.01 2147.4 2277.17 2260.45 2236.42
set1mean val. 312.87 504.4 774.52 1057.34 1407.57 1609.2 1621.66 1592.98 1689.52 1633.6 1664.52 1579.58 1528.46 1285.02 1298.07 1261.89 1356.32 1382.41 389.04
standard dev. 80.77 90.82 136.46 233.27 328.32 295.67 302.99 445.89 473.44 541.65 585.2 565.19 623.17 537.58 541.88 524.57 596.97 601.25 660.84
ci. min. 90% 217.82 443.57 703.78 955.11 1280.63 1505.76 1524.13 1459.33 1556.21 1489.3 1516.21 1442.69 1383.68 1133.64 1145.48 1114.17 1188.22 1213.11 202.95
ci. max. 90% 407.91 565.24 845.27 1159.57 1534.51 1712.63 1719.19 1726.62 1822.84 1777.9 1812.83 1716.46 1673.23 1436.4 1450.66 1409.61 1524.43 1551.72 575.13
geom. mean 306.07 495.4 763.15 1032.89 1364.45 1582.75 1592.12 1525.25 1617.21 1540.48 1555.02 1472.46 1393.52 1189.28 1198.94 1166.14 1238.89 1262.44 116.98
median 278.61 521.74 764.19 1094.34 1486.88 1580.33 1622.42 1570.27 1616.75 1554.87 1611.29 1641.44 1581.73 943.94 894.97 877.18 880.76 882.42 64.81
first quartile 274.18 490.5 698.87 824.07 1220.46 1449.12 1434.83 1283.21 1375.08 1236.19 1157.42 1017.65 899.57 870.03 860.95 835.47 862.66 870.72 46.95
third quartile 317.3 557.22 844.07 1204.64 1610.35 1766.5 1850.79 1916.68 2118.84 2135.74 2214.74 1980.14 2083.04 1888.96 1987.4 1790.81 2120.08 2131.94 269.87
minimum 260.87 298.42 516.82 679.81 703.17 999.01 905.66 675.67 650.6 670.03 782.49 704.54 437.0 788.74 833.17 812.1 850.98 867.29 22.61
maximum 433.37 597.89 980.99 1564.0 1888.57 2271.56 2270.6 2416.61 2480.65 2547.56 2589.15 2534.74 2609.33 2329.81 2225.01 2147.4 2277.17 2260.45 2236.42
baseline set1 difference -25.66 % -20.7 % -31.43 % -22.93 % -11.63 % -14.15 % -0.7 % 1.14 % 8.73 % -3.14 % 13.16 % 12.48 % 15.56 % 11.31 % 4.9 % 735.35 % 781.57 % 1889.91 % 59.4 %
ttest p-value 0.4125 0.0005 0.0 0.0 0.0061 0.0114 0.6551 0.8148 0.1728 0.4896 0.0003 0.1148 0.019 0.264 0.2096 0.0 0.0 0.0 0.0024
ttest equality SAME DIFF DIFF DIFF DIFF DIFF SAME SAME SAME SAME DIFF SAME DIFF SAME SAME DIFF DIFF DIFF DIFF
bkwdrd_bs
Backwards read Block size [kB] 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384
baselinemean val. 1215.03 1496.07 1668.75 1847.57 1896.7 1840.46 1811.74 1260.43 853.5 825.3 789.66 804.57 776.33
standard dev. 482.36 534.84 464.05 422.77 556.43 564.12 580.03 402.47 249.97 242.91 243.33 245.41 247.85
ci. min. 90% 1102.97 1366.53 1551.15 1734.94 1776.65 1714.34 1676.98 1162.95 790.15 760.59 721.14 731.01 696.55
ci. max. 90% 1327.09 1625.6 1786.35 1960.2 2016.74 1966.58 1946.49 1357.9 916.85 890.01 858.18 878.13 856.11
geom. mean 1082.2 1377.3 1593.95 1795.37 1571.0 1555.94 1510.43 1069.39 747.5 722.18 686.32 698.58 666.12
median 1338.1 1615.72 1677.77 1809.14 2022.18 2017.5 2021.5 1314.79 877.85 864.31 861.25 868.2 860.8
first quartile 902.25 1115.94 1455.82 1563.7 1787.12 1557.95 1482.43 1107.38 824.07 820.71 796.1 833.74 831.73
third quartile 1580.05 1939.94 2038.42 2183.68 2151.32 2153.55 2221.08 1552.81 903.39 902.29 872.92 878.79 870.57
minimum 260.87 490.5 679.81 800.17 22.61 43.54 44.4 47.57 53.4 60.92 67.0 76.24 79.59
maximum 1954.5 2262.48 2362.72 2481.54 2609.33 2589.15 2399.52 1805.08 1336.7 1180.69 1131.24 1097.7 955.62
set1mean val. 1215.03 1496.07 1668.75 1847.57 1896.7 1840.46 1811.74 1260.43 853.5 825.3 789.66 804.57 776.33
standard dev. 482.36 534.84 464.05 422.77 556.43 564.12 580.03 402.47 249.97 242.91 243.33 245.41 247.85
ci. min. 90% 1102.97 1366.53 1551.15 1734.94 1776.65 1714.34 1676.98 1162.95 790.15 760.59 721.14 731.01 696.55
ci. max. 90% 1327.09 1625.6 1786.35 1960.2 2016.74 1966.58 1946.49 1357.9 916.85 890.01 858.18 878.13 856.11
geom. mean 1082.2 1377.3 1593.95 1795.37 1571.0 1555.94 1510.43 1069.39 747.5 722.18 686.32 698.58 666.12
median 1338.1 1615.72 1677.77 1809.14 2022.18 2017.5 2021.5 1314.79 877.85 864.31 861.25 868.2 860.8
first quartile 902.25 1115.94 1455.82 1563.7 1787.12 1557.95 1482.43 1107.38 824.07 820.71 796.1 833.74 831.73
third quartile 1580.05 1939.94 2038.42 2183.68 2151.32 2153.55 2221.08 1552.81 903.39 902.29 872.92 878.79 870.57
minimum 260.87 490.5 679.81 800.17 22.61 43.54 44.4 47.57 53.4 60.92 67.0 76.24 79.59
maximum 1954.5 2262.48 2362.72 2481.54 2609.33 2589.15 2399.52 1805.08 1336.7 1180.69 1131.24 1097.7 955.62
baseline set1 difference -1.59 % 5.39 % 5.42 % 5.8 % 15.82 % 25.01 % 39.91 % 24.21 % 13.8 % 18.05 % 17.4 % 113.06 % 690.78 %
ttest p-value 0.7613 0.932 0.569 0.2175 0.001 0.0001 0.0 0.0 0.0002 0.0001 0.0001 0.0 0.0
ttest equality SAME SAME SAME SAME DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF
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Record rewrite

recrewr_fs
Record rewrite File size [kB] 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768 65536 131072 262144 524288 1048576
baselinemean val. 356.98 611.57 802.07 1047.37 1251.15 1382.43 1500.39 1457.73 1455.65 1424.95 1366.87 1315.95 1281.92 1085.0 1105.33 1077.74 1131.73 1133.08 1095.91
standard dev. 126.67 133.88 224.44 256.41 188.49 156.72 113.19 319.85 380.25 452.02 499.71 487.54 520.25 462.23 477.81 446.11 480.26 489.87 478.45
ci. min. 90% 207.92 521.89 685.72 934.99 1178.27 1327.6 1463.95 1361.87 1348.57 1304.53 1240.23 1197.88 1161.05 954.83 970.78 952.12 996.49 995.14 961.18
ci. max. 90% 506.03 701.25 918.43 1159.74 1324.03 1437.26 1536.82 1553.6 1562.73 1545.37 1493.51 1434.03 1402.78 1215.16 1239.87 1203.37 1266.97 1271.03 1230.64
geom. mean 334.08 593.7 768.61 1013.32 1237.02 1373.82 1496.19 1414.05 1395.99 1336.34 1258.31 1218.9 1165.17 1001.05 1018.4 1000.21 1042.59 1041.34 1005.78
median 412.64 657.92 912.68 1132.16 1356.12 1387.87 1496.24 1514.4 1610.22 1649.42 1616.57 1562.58 1406.56 763.09 761.38 754.57 755.74 757.48 759.85
first quartile 336.24 623.03 574.19 819.06 1083.56 1245.28 1453.89 1369.97 1149.03 1016.65 790.62 831.02 722.89 728.39 751.6 747.1 750.7 748.74 749.71
third quartile 433.37 668.46 970.14 1204.64 1388.43 1511.8 1567.88 1679.33 1753.81 1786.5 1785.85 1771.09 1786.2 1593.72 1713.12 1638.22 1710.75 1806.9 1728.68
minimum 169.25 301.16 472.14 502.57 904.55 1097.28 1280.62 610.56 668.97 615.55 617.86 647.72 313.7 686.46 703.41 733.86 741.2 740.31 530.58
maximum 433.37 715.37 1043.47 1353.97 1491.1 1644.54 1689.06 1872.78 1908.41 1956.84 1975.46 1986.67 1958.65 1873.43 1857.92 1838.63 1858.6 1865.79 1831.12
set1mean val. 356.98 611.57 802.07 1047.37 1251.15 1382.43 1500.39 1457.73 1455.65 1424.95 1366.87 1315.95 1281.92 1085.0 1105.33 1077.74 1131.73 1133.08 1095.91
standard dev. 126.67 133.88 224.44 256.41 188.49 156.72 113.19 319.85 380.25 452.02 499.71 487.54 520.25 462.23 477.81 446.11 480.26 489.87 478.45
ci. min. 90% 207.92 521.89 685.72 934.99 1178.27 1327.6 1463.95 1361.87 1348.57 1304.53 1240.23 1197.88 1161.05 954.83 970.78 952.12 996.49 995.14 961.18
ci. max. 90% 506.03 701.25 918.43 1159.74 1324.03 1437.26 1536.82 1553.6 1562.73 1545.37 1493.51 1434.03 1402.78 1215.16 1239.87 1203.37 1266.97 1271.03 1230.64
geom. mean 334.08 593.7 768.61 1013.32 1237.02 1373.82 1496.19 1414.05 1395.99 1336.34 1258.31 1218.9 1165.17 1001.05 1018.4 1000.21 1042.59 1041.34 1005.78
median 412.64 657.92 912.68 1132.16 1356.12 1387.87 1496.24 1514.4 1610.22 1649.42 1616.57 1562.58 1406.56 763.09 761.38 754.57 755.74 757.48 759.85
first quartile 336.24 623.03 574.19 819.06 1083.56 1245.28 1453.89 1369.97 1149.03 1016.65 790.62 831.02 722.89 728.39 751.6 747.1 750.7 748.74 749.71
third quartile 433.37 668.46 970.14 1204.64 1388.43 1511.8 1567.88 1679.33 1753.81 1786.5 1785.85 1771.09 1786.2 1593.72 1713.12 1638.22 1710.75 1806.9 1728.68
minimum 169.25 301.16 472.14 502.57 904.55 1097.28 1280.62 610.56 668.97 615.55 617.86 647.72 313.7 686.46 703.41 733.86 741.2 740.31 530.58
maximum 433.37 715.37 1043.47 1353.97 1491.1 1644.54 1689.06 1872.78 1908.41 1956.84 1975.46 1986.67 1958.65 1873.43 1857.92 1838.63 1858.6 1865.79 1831.12
baseline set1 difference -20.21 % -16.06 % -12.53 % -9.47 % -0.26 % -7.27 % 2.28 % 1.77 % 3.15 % 7.63 % 9.12 % 18.95 % 8.44 % 9.52 % 6.22 % 1.77 % -0.76 % -1.26 % 0.2 %
ttest p-value 0.2066 0.0106 0.0015 0.0819 0.189 0.3402 0.022 0.2919 0.3862 0.2126 0.2363 0.3375 0.3403 0.2907 0.253 0.6909 0.6686 0.8209 0.865
ttest equality SAME DIFF DIFF DIFF SAME SAME DIFF SAME SAME SAME SAME SAME SAME SAME SAME SAME SAME SAME SAME
recrewr_bs
Record rewrite Block size [kB] 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384
baselinemean val. 1243.6 1534.34 1515.39 1542.84 1679.68 1672.22 1491.99 968.39 742.08 727.38 715.87 753.62 740.6
standard dev. 428.62 442.84 362.25 288.39 230.45 202.94 248.45 132.6 52.58 53.3 86.63 41.42 43.89
ci. min. 90% 1144.03 1427.09 1423.59 1466.02 1629.97 1626.85 1434.27 936.27 728.75 713.18 691.48 741.21 726.47
ci. max. 90% 1343.18 1641.59 1607.2 1619.67 1729.4 1717.59 1549.71 1000.5 755.4 741.58 740.27 766.04 754.72
geom. mean 1131.37 1449.07 1454.57 1505.74 1660.26 1658.82 1467.66 959.43 740.3 725.45 708.73 752.54 739.09
median 1444.93 1689.06 1634.35 1606.98 1793.13 1767.24 1527.14 942.67 746.87 741.82 747.33 749.83 752.24
first quartile 977.38 1353.97 1384.62 1413.01 1623.04 1528.47 1348.92 888.19 704.57 704.78 689.8 744.52 740.12
third quartile 1590.38 1911.09 1792.24 1759.54 1825.1 1831.94 1680.84 1026.3 754.61 748.99 752.58 756.4 755.56
minimum 169.25 475.57 472.14 502.57 904.55 1157.87 610.56 665.32 636.64 615.55 313.7 654.4 530.58
maximum 1652.99 1986.67 1849.18 1803.05 1845.1 1873.43 1857.92 1255.44 916.51 877.57 843.61 861.41 774.24
set1mean val. 1243.6 1534.34 1515.39 1542.84 1679.68 1672.22 1491.99 968.39 742.08 727.38 715.87 753.62 740.6
standard dev. 428.62 442.84 362.25 288.39 230.45 202.94 248.45 132.6 52.58 53.3 86.63 41.42 43.89
ci. min. 90% 1144.03 1427.09 1423.59 1466.02 1629.97 1626.85 1434.27 936.27 728.75 713.18 691.48 741.21 726.47
ci. max. 90% 1343.18 1641.59 1607.2 1619.67 1729.4 1717.59 1549.71 1000.5 755.4 741.58 740.27 766.04 754.72
geom. mean 1131.37 1449.07 1454.57 1505.74 1660.26 1658.82 1467.66 959.43 740.3 725.45 708.73 752.54 739.09
median 1444.93 1689.06 1634.35 1606.98 1793.13 1767.24 1527.14 942.67 746.87 741.82 747.33 749.83 752.24
first quartile 977.38 1353.97 1384.62 1413.01 1623.04 1528.47 1348.92 888.19 704.57 704.78 689.8 744.52 740.12
third quartile 1590.38 1911.09 1792.24 1759.54 1825.1 1831.94 1680.84 1026.3 754.61 748.99 752.58 756.4 755.56
minimum 169.25 475.57 472.14 502.57 904.55 1157.87 610.56 665.32 636.64 615.55 313.7 654.4 530.58
maximum 1652.99 1986.67 1849.18 1803.05 1845.1 1873.43 1857.92 1255.44 916.51 877.57 843.61 861.41 774.24
baseline set1 difference -2.77 % -2.4 % 2.34 % 4.54 % 8.57 % 8.87 % 14.4 % 9.65 % 5.2 % 6.44 % 5.07 % 6.28 % 6.79 %
ttest p-value 0.284 0.7989 0.8011 0.1426 0.0121 0.0042 0.0094 0.0135 0.0003 0.0035 0.5176 0.0001 0.0039
ttest equality SAME SAME SAME SAME DIFF DIFF DIFF DIFF DIFF DIFF SAME DIFF DIFF
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Strided Read

striderd_fs
Strided Read File size [kB] 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768 65536 131072 262144 524288 1048576
baselinemean val. 705.83 738.36 1316.78 1533.48 1760.91 1970.37 2103.68 2054.49 1937.06 1819.6 1684.9 1564.75 1453.38 1302.27 1287.9 1260.52 1350.84 1373.45 384.09
standard dev. 459.11 380.89 311.95 322.3 456.91 556.06 447.36 426.45 617.4 617.96 629.67 536.84 551.18 573.32 519.64 494.28 596.81 599.36 662.25
ci. min. 90% 165.61 483.23 1155.06 1392.23 1584.25 1775.84 1959.68 1926.67 1763.2 1654.97 1525.32 1434.74 1325.33 1140.83 1141.57 1121.33 1182.78 1204.67 197.61
ci. max. 90% 1246.05 993.5 1478.5 1674.73 1937.58 2164.91 2247.68 2182.31 2110.91 1984.23 1844.47 1694.77 1581.43 1463.72 1434.23 1399.71 1518.9 1542.23 570.58
geom. mean 620.51 662.29 1287.69 1489.62 1701.64 1895.24 2051.46 2010.07 1832.32 1714.81 1562.84 1469.78 1343.58 1194.28 1194.72 1174.48 1233.27 1254.61 107.8
median 501.07 707.73 1195.79 1564.0 1666.88 1929.43 2168.28 2054.49 1828.03 1740.63 1715.7 1602.91 1566.8 890.72 892.11 876.9 873.22 874.55 59.15
first quartile 433.37 571.04 1157.71 1423.86 1402.65 1599.36 1808.51 1734.49 1591.3 1365.61 1106.79 1063.93 888.39 863.17 866.91 855.73 862.41 868.54 41.08
third quartile 773.53 783.82 1325.13 1752.17 2225.22 2321.27 2406.68 2384.59 2443.47 2294.81 2182.09 1909.93 1888.7 1998.95 1900.66 1781.9 2100.44 2102.69 272.45
minimum 433.37 260.46 1043.47 599.03 1045.21 1059.58 957.77 1204.7 850.29 743.49 775.65 768.79 549.79 798.17 832.16 836.03 846.07 862.62 25.02
maximum 1387.8 1574.95 1938.61 1961.99 2501.24 3124.38 2980.55 2921.61 2983.56 3007.96 2902.73 2621.27 2473.26 2415.43 2218.29 2138.65 2304.33 2290.65 2270.74
set1mean val. 705.83 738.36 1316.78 1533.48 1760.91 1970.37 2103.68 2054.49 1937.06 1819.6 1684.9 1564.75 1453.38 1302.27 1287.9 1260.52 1350.84 1373.45 384.09
standard dev. 459.11 380.89 311.95 322.3 456.91 556.06 447.36 426.45 617.4 617.96 629.67 536.84 551.18 573.32 519.64 494.28 596.81 599.36 662.25
ci. min. 90% 165.61 483.23 1155.06 1392.23 1584.25 1775.84 1959.68 1926.67 1763.2 1654.97 1525.32 1434.74 1325.33 1140.83 1141.57 1121.33 1182.78 1204.67 197.61
ci. max. 90% 1246.05 993.5 1478.5 1674.73 1937.58 2164.91 2247.68 2182.31 2110.91 1984.23 1844.47 1694.77 1581.43 1463.72 1434.23 1399.71 1518.9 1542.23 570.58
geom. mean 620.51 662.29 1287.69 1489.62 1701.64 1895.24 2051.46 2010.07 1832.32 1714.81 1562.84 1469.78 1343.58 1194.28 1194.72 1174.48 1233.27 1254.61 107.8
median 501.07 707.73 1195.79 1564.0 1666.88 1929.43 2168.28 2054.49 1828.03 1740.63 1715.7 1602.91 1566.8 890.72 892.11 876.9 873.22 874.55 59.15
first quartile 433.37 571.04 1157.71 1423.86 1402.65 1599.36 1808.51 1734.49 1591.3 1365.61 1106.79 1063.93 888.39 863.17 866.91 855.73 862.41 868.54 41.08
third quartile 773.53 783.82 1325.13 1752.17 2225.22 2321.27 2406.68 2384.59 2443.47 2294.81 2182.09 1909.93 1888.7 1998.95 1900.66 1781.9 2100.44 2102.69 272.45
minimum 433.37 260.46 1043.47 599.03 1045.21 1059.58 957.77 1204.7 850.29 743.49 775.65 768.79 549.79 798.17 832.16 836.03 846.07 862.62 25.02
maximum 1387.8 1574.95 1938.61 1961.99 2501.24 3124.38 2980.55 2921.61 2983.56 3007.96 2902.73 2621.27 2473.26 2415.43 2218.29 2138.65 2304.33 2290.65 2270.74
baseline set1 difference -48.6 % -59.84 % -47.44 % -35.21 % -34.65 % -25.92 % -3.69 % 8.27 % 2.98 % -2.14 % -7.83 % 8.01 % 11.95 % 3.05 % 6.11 % 4.18 % 2.7 % 1.34 % -50.75 %
ttest p-value 0.3634 0.0007 0.0 0.0 0.0 0.0002 0.2625 0.8878 0.4914 0.369 0.6998 0.0736 0.1911 0.2249 0.2736 0.4295 0.2637 0.2573 0.0147
ttest equality SAME DIFF DIFF DIFF DIFF DIFF SAME SAME SAME SAME SAME DIFF SAME SAME SAME SAME SAME SAME DIFF
striderd_bs
Strided Read Block size [kB] 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384
baselinemean val. 1476.43 1773.35 1903.62 2043.16 1993.37 2008.21 1997.4 1319.99 862.66 853.7 783.15 795.8 773.35
standard dev. 415.18 551.15 466.38 461.19 610.31 609.58 594.21 396.73 249.0 254.62 235.14 245.33 247.63
ci. min. 90% 1379.97 1639.87 1785.42 1920.3 1861.7 1871.93 1859.35 1223.91 799.56 785.86 716.94 722.27 693.64
ci. max. 90% 1572.88 1906.83 2021.81 2166.02 2125.04 2144.5 2135.45 1416.07 925.77 921.53 849.37 869.33 853.06
geom. mean 1392.4 1659.59 1837.51 1984.99 1649.46 1660.92 1662.16 1114.94 754.38 741.89 677.6 683.15 659.75
median 1588.04 1818.1 1937.39 2253.33 2070.55 2122.5 2076.08 1412.86 877.66 866.29 855.28 858.15 858.85
first quartile 1375.55 1491.03 1660.89 1712.85 1838.74 1912.42 1805.02 1187.3 865.49 854.49 809.79 840.56 846.27
third quartile 1743.45 2072.02 2246.26 2447.81 2306.24 2271.69 2259.64 1546.07 924.31 916.67 868.14 872.52 870.52
minimum 433.37 260.46 599.03 1045.21 25.02 30.48 39.61 41.5 51.76 57.09 59.19 66.08 73.68
maximum 2225.22 3124.38 2980.55 2589.7 2983.56 2928.16 3007.96 1850.24 1266.09 1196.87 1120.44 1090.78 901.51
set1mean val. 1476.43 1773.35 1903.62 2043.16 1993.37 2008.21 1997.4 1319.99 862.66 853.7 783.15 795.8 773.35
standard dev. 415.18 551.15 466.38 461.19 610.31 609.58 594.21 396.73 249.0 254.62 235.14 245.33 247.63
ci. min. 90% 1379.97 1639.87 1785.42 1920.3 1861.7 1871.93 1859.35 1223.91 799.56 785.86 716.94 722.27 693.64
ci. max. 90% 1572.88 1906.83 2021.81 2166.02 2125.04 2144.5 2135.45 1416.07 925.77 921.53 849.37 869.33 853.06
geom. mean 1392.4 1659.59 1837.51 1984.99 1649.46 1660.92 1662.16 1114.94 754.38 741.89 677.6 683.15 659.75
median 1588.04 1818.1 1937.39 2253.33 2070.55 2122.5 2076.08 1412.86 877.66 866.29 855.28 858.15 858.85
first quartile 1375.55 1491.03 1660.89 1712.85 1838.74 1912.42 1805.02 1187.3 865.49 854.49 809.79 840.56 846.27
third quartile 1743.45 2072.02 2246.26 2447.81 2306.24 2271.69 2259.64 1546.07 924.31 916.67 868.14 872.52 870.52
minimum 433.37 260.46 599.03 1045.21 25.02 30.48 39.61 41.5 51.76 57.09 59.19 66.08 73.68
maximum 2225.22 3124.38 2980.55 2589.7 2983.56 2928.16 3007.96 1850.24 1266.09 1196.87 1120.44 1090.78 901.51
baseline set1 difference -0.39 % -6.65 % -7.48 % 1.18 % 1.74 % 16.86 % 18.46 % 14.89 % 4.09 % 6.03 % 3.14 % 3.97 % 4.05 %
ttest p-value 0.009 0.0097 0.004 0.0108 0.9712 0.4262 0.0018 0.0196 0.2747 0.1344 0.8147 0.3801 0.5234
ttest equality DIFF DIFF DIFF DIFF SAME SAME DIFF DIFF SAME SAME SAME SAME SAME
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Fwrite

fwrite_fs
Fwrite File size [kB] 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768 65536 131072 262144 524288 1048576
baselinemean val. 362.1 579.92 918.63 950.51 986.47 1030.81 1128.52 1029.9 886.39 807.51 754.64 711.17 701.58 663.04 642.44 134.71 45.11 36.14 33.33
standard dev. 145.28 220.7 195.92 143.15 193.04 131.48 183.48 207.71 115.93 123.58 109.78 124.13 94.61 94.2 83.53 73.01 1.73 0.68 0.81
ci. min. 90% 191.15 432.09 817.06 887.78 911.84 984.81 1069.46 967.64 853.74 774.59 726.82 681.11 679.6 636.51 618.92 114.16 44.62 35.95 33.1
ci. max. 90% 533.05 727.75 1020.21 1013.25 1061.11 1076.8 1187.58 1092.16 919.03 840.43 782.47 741.24 723.56 689.57 665.97 155.27 45.6 36.33 33.56
geom. mean 342.54 525.82 893.06 939.28 968.94 1022.12 1112.9 1002.36 878.96 798.42 746.52 699.71 695.06 656.55 637.25 119.19 45.08 36.13 33.32
median 325.72 627.9 912.68 947.71 926.99 1041.77 1152.62 1075.61 880.27 796.35 758.08 720.01 724.63 666.52 629.06 96.07 44.41 36.17 33.36
first quartile 298.91 536.69 864.53 892.83 851.68 984.01 1049.04 985.94 808.97 713.07 701.13 619.34 624.09 574.83 558.56 78.93 44.0 36.05 33.27
third quartile 388.91 700.08 1031.21 1050.41 1152.72 1098.26 1245.05 1152.59 985.99 872.48 823.49 807.62 767.11 751.83 721.11 206.46 45.74 36.35 33.64
minimum 228.17 165.66 410.1 624.73 693.86 705.82 731.32 458.71 693.52 610.31 489.12 391.04 506.92 511.5 541.65 75.86 43.44 34.66 30.78
maximum 568.78 866.75 1195.79 1151.72 1305.46 1263.94 1421.21 1298.7 1107.61 1055.46 1004.27 922.41 880.38 836.06 818.81 322.24 52.35 37.62 34.5
set1mean val. 362.1 579.92 918.63 950.51 986.47 1030.81 1128.52 1029.9 886.39 807.51 754.64 711.17 701.58 663.04 642.44 134.71 45.11 36.14 33.33
standard dev. 145.28 220.7 195.92 143.15 193.04 131.48 183.48 207.71 115.93 123.58 109.78 124.13 94.61 94.2 83.53 73.01 1.73 0.68 0.81
ci. min. 90% 191.15 432.09 817.06 887.78 911.84 984.81 1069.46 967.64 853.74 774.59 726.82 681.11 679.6 636.51 618.92 114.16 44.62 35.95 33.1
ci. max. 90% 533.05 727.75 1020.21 1013.25 1061.11 1076.8 1187.58 1092.16 919.03 840.43 782.47 741.24 723.56 689.57 665.97 155.27 45.6 36.33 33.56
geom. mean 342.54 525.82 893.06 939.28 968.94 1022.12 1112.9 1002.36 878.96 798.42 746.52 699.71 695.06 656.55 637.25 119.19 45.08 36.13 33.32
median 325.72 627.9 912.68 947.71 926.99 1041.77 1152.62 1075.61 880.27 796.35 758.08 720.01 724.63 666.52 629.06 96.07 44.41 36.17 33.36
first quartile 298.91 536.69 864.53 892.83 851.68 984.01 1049.04 985.94 808.97 713.07 701.13 619.34 624.09 574.83 558.56 78.93 44.0 36.05 33.27
third quartile 388.91 700.08 1031.21 1050.41 1152.72 1098.26 1245.05 1152.59 985.99 872.48 823.49 807.62 767.11 751.83 721.11 206.46 45.74 36.35 33.64
minimum 228.17 165.66 410.1 624.73 693.86 705.82 731.32 458.71 693.52 610.31 489.12 391.04 506.92 511.5 541.65 75.86 43.44 34.66 30.78
maximum 568.78 866.75 1195.79 1151.72 1305.46 1263.94 1421.21 1298.7 1107.61 1055.46 1004.27 922.41 880.38 836.06 818.81 322.24 52.35 37.62 34.5
baseline set1 difference -24.84 % -23.92 % -0.7 % -10.51 % -15.38 % 3.77 % 12.53 % 11.13 % 11.48 % 9.47 % 17.35 % 12.7 % 13.51 % 15.29 % 24.89 % 16.3 % -44.69 % -45.48 % -48.02 %
ttest p-value 0.2832 0.1472 0.4745 0.2829 0.0732 0.8375 0.0063 0.0665 0.0009 0.0001 0.0 0.0001 0.0 0.0004 0.0 0.0001 0.0 0.0 0.0
ttest equality SAME SAME SAME SAME DIFF SAME DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF
fwrite_bs
Fwrite Block size [kB] 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384
baselinemean val. 808.99 873.52 921.71 935.47 703.53 659.49 587.22 472.19 427.6 402.9 384.78 384.76 354.97
standard dev. 196.65 205.37 148.0 171.27 430.77 417.74 407.65 336.83 298.68 292.31 301.0 333.37 339.34
ci. min. 90% 763.3 823.78 884.2 889.85 610.6 566.1 492.51 390.61 351.91 325.03 300.02 284.84 245.74
ci. max. 90% 854.68 923.26 959.22 981.1 796.47 752.89 681.92 553.77 503.3 480.78 469.54 484.69 464.2
geom. mean 777.42 838.6 910.18 919.79 422.97 388.13 337.63 275.79 248.31 226.69 205.4 189.98 166.64
median 835.91 850.81 910.74 936.87 779.68 747.09 667.89 550.21 541.95 558.31 582.7 440.35 118.51
first quartile 710.23 789.71 834.65 788.0 253.9 147.71 78.63 68.78 44.94 44.34 44.48 43.26 37.6
third quartile 935.21 1044.01 1003.74 1054.43 1004.2 944.81 762.5 632.81 652.27 636.77 649.73 686.97 714.49
minimum 228.17 165.66 624.73 554.24 30.78 30.97 31.05 33.16 33.17 33.31 33.33 33.5 33.82
maximum 1182.29 1203.57 1273.74 1273.74 1411.64 1344.66 1421.21 1123.99 880.27 796.2 770.55 880.38 836.06
set1mean val. 808.99 873.52 921.71 935.47 703.53 659.49 587.22 472.19 427.6 402.9 384.78 384.76 354.97
standard dev. 196.65 205.37 148.0 171.27 430.77 417.74 407.65 336.83 298.68 292.31 301.0 333.37 339.34
ci. min. 90% 763.3 823.78 884.2 889.85 610.6 566.1 492.51 390.61 351.91 325.03 300.02 284.84 245.74
ci. max. 90% 854.68 923.26 959.22 981.1 796.47 752.89 681.92 553.77 503.3 480.78 469.54 484.69 464.2
geom. mean 777.42 838.6 910.18 919.79 422.97 388.13 337.63 275.79 248.31 226.69 205.4 189.98 166.64
median 835.91 850.81 910.74 936.87 779.68 747.09 667.89 550.21 541.95 558.31 582.7 440.35 118.51
first quartile 710.23 789.71 834.65 788.0 253.9 147.71 78.63 68.78 44.94 44.34 44.48 43.26 37.6
third quartile 935.21 1044.01 1003.74 1054.43 1004.2 944.81 762.5 632.81 652.27 636.77 649.73 686.97 714.49
minimum 228.17 165.66 624.73 554.24 30.78 30.97 31.05 33.16 33.17 33.31 33.33 33.5 33.82
maximum 1182.29 1203.57 1273.74 1273.74 1411.64 1344.66 1421.21 1123.99 880.27 796.2 770.55 880.38 836.06
baseline set1 difference 4.29 % -2.19 % 7.18 % -0.54 % 12.44 % 20.27 % 23.73 % 14.26 % 12.72 % 12.33 % 22.13 % 46.2 % 19.23 %
ttest p-value 0.5877 0.8495 0.0232 0.5487 0.4104 0.2705 0.1857 0.2953 0.4376 0.6982 0.6824 0.651 0.6974
ttest equality SAME SAME DIFF SAME SAME SAME SAME SAME SAME SAME SAME SAME SAME
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Frewrite

frewrite_fs
Frewrite File size [kB] 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768 65536 131072 262144 524288 1048576
baselinemean val. 393.52 579.78 707.11 946.82 924.05 1018.75 1072.73 1000.93 939.2 846.61 787.05 745.24 708.83 680.56 628.97 133.23 44.94 36.18 33.33
standard dev. 127.6 221.57 147.34 330.61 249.45 199.35 200.4 195.28 158.34 137.77 125.82 128.9 107.62 132.92 79.56 72.42 1.93 0.7 0.74
ci. min. 90% 243.37 431.36 630.73 801.93 827.6 949.0 1008.22 942.39 894.62 809.9 755.16 714.02 683.82 643.13 606.56 112.84 44.39 35.99 33.13
ci. max. 90% 543.66 728.19 783.5 1091.72 1020.5 1088.49 1137.24 1059.46 983.79 883.31 818.94 776.45 733.83 717.99 651.37 153.63 45.48 36.38 33.54
geom. mean 373.69 541.3 692.47 889.26 892.14 999.57 1055.78 982.95 925.86 835.35 777.04 734.85 700.74 668.75 624.08 117.91 44.9 36.18 33.33
median 433.37 577.56 716.06 882.24 907.68 996.56 1034.92 965.18 940.36 865.8 765.91 737.27 708.33 651.84 616.2 97.16 43.94 36.22 33.24
first quartile 377.01 426.85 591.59 727.96 811.45 894.69 948.77 887.81 847.99 750.71 724.48 643.03 620.74 560.75 554.21 77.85 43.44 35.95 33.2
third quartile 449.89 675.1 832.03 1124.94 1033.05 1155.47 1217.71 1094.95 1044.97 952.06 865.03 798.74 783.79 773.15 696.88 214.42 46.24 36.42 33.7
minimum 207.9 260.46 501.02 346.93 542.96 644.24 790.9 620.31 623.89 559.58 485.5 543.22 534.58 511.1 495.89 75.25 43.14 34.66 30.77
maximum 499.42 969.3 876.08 1564.0 1491.1 1387.72 1582.03 1524.31 1288.65 1111.84 1109.54 1085.07 982.26 978.54 760.13 323.08 50.75 37.71 34.59
set1mean val. 393.52 579.78 707.11 946.82 924.05 1018.75 1072.73 1000.93 939.2 846.61 787.05 745.24 708.83 680.56 628.97 133.23 44.94 36.18 33.33
standard dev. 127.6 221.57 147.34 330.61 249.45 199.35 200.4 195.28 158.34 137.77 125.82 128.9 107.62 132.92 79.56 72.42 1.93 0.7 0.74
ci. min. 90% 243.37 431.36 630.73 801.93 827.6 949.0 1008.22 942.39 894.62 809.9 755.16 714.02 683.82 643.13 606.56 112.84 44.39 35.99 33.13
ci. max. 90% 543.66 728.19 783.5 1091.72 1020.5 1088.49 1137.24 1059.46 983.79 883.31 818.94 776.45 733.83 717.99 651.37 153.63 45.48 36.38 33.54
geom. mean 373.69 541.3 692.47 889.26 892.14 999.57 1055.78 982.95 925.86 835.35 777.04 734.85 700.74 668.75 624.08 117.91 44.9 36.18 33.33
median 433.37 577.56 716.06 882.24 907.68 996.56 1034.92 965.18 940.36 865.8 765.91 737.27 708.33 651.84 616.2 97.16 43.94 36.22 33.24
first quartile 377.01 426.85 591.59 727.96 811.45 894.69 948.77 887.81 847.99 750.71 724.48 643.03 620.74 560.75 554.21 77.85 43.44 35.95 33.2
third quartile 449.89 675.1 832.03 1124.94 1033.05 1155.47 1217.71 1094.95 1044.97 952.06 865.03 798.74 783.79 773.15 696.88 214.42 46.24 36.42 33.7
minimum 207.9 260.46 501.02 346.93 542.96 644.24 790.9 620.31 623.89 559.58 485.5 543.22 534.58 511.1 495.89 75.25 43.14 34.66 30.77
maximum 499.42 969.3 876.08 1564.0 1491.1 1387.72 1582.03 1524.31 1288.65 1111.84 1109.54 1085.07 982.26 978.54 760.13 323.08 50.75 37.71 34.59
baseline set1 difference -29.49 % -33.36 % -27.01 % -23.4 % -21.67 % 1.28 % 4.06 % 9.37 % 14.81 % 10.28 % 14.84 % 15.33 % 12.19 % 15.8 % 27.25 % 19.71 % -43.44 % -43.52 % -47.7 %
ttest p-value 0.0217 0.0414 0.0008 0.0596 0.0019 0.5363 0.4662 0.0413 0.0004 0.0064 0.0 0.0 0.0 0.0022 0.0 0.0001 0.0 0.0 0.0
ttest equality DIFF DIFF DIFF DIFF DIFF SAME SAME DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF
frewrite_bs
Frewrite Block size [kB] 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384
baselinemean val. 765.04 829.1 920.23 911.08 695.97 669.09 594.36 476.91 459.48 434.8 437.27 390.39 373.5
standard dev. 171.68 159.88 201.86 222.72 426.38 436.91 415.55 348.26 339.87 336.78 366.71 344.83 369.57
ci. min. 90% 725.15 790.38 869.08 851.74 603.99 571.42 497.82 392.57 373.35 345.08 334.0 287.03 254.54
ci. max. 90% 804.92 867.82 971.39 970.41 787.96 766.77 690.9 561.25 545.61 524.52 540.53 493.74 492.47
geom. mean 737.94 811.79 899.97 882.72 420.07 389.88 340.61 276.55 257.77 235.23 219.61 190.17 169.23
median 793.57 820.58 909.26 881.57 779.66 742.92 673.21 541.98 545.89 560.01 591.68 436.63 117.22
first quartile 712.6 747.22 793.62 759.64 240.64 128.32 77.39 68.7 45.07 43.86 43.92 42.76 37.7
third quartile 877.05 960.1 1007.05 1060.4 962.24 976.68 792.62 606.03 670.44 653.14 670.72 668.15 700.33
minimum 207.9 410.6 501.02 346.93 30.77 30.84 33.15 33.14 33.2 33.21 33.18 33.4 33.68
maximum 1028.62 1112.61 1564.0 1491.1 1387.72 1582.03 1524.31 1288.65 1111.84 1109.54 1085.07 982.26 978.54
set1mean val. 765.04 829.1 920.23 911.08 695.97 669.09 594.36 476.91 459.48 434.8 437.27 390.39 373.5
standard dev. 171.68 159.88 201.86 222.72 426.38 436.91 415.55 348.26 339.87 336.78 366.71 344.83 369.57
ci. min. 90% 725.15 790.38 869.08 851.74 603.99 571.42 497.82 392.57 373.35 345.08 334.0 287.03 254.54
ci. max. 90% 804.92 867.82 971.39 970.41 787.96 766.77 690.9 561.25 545.61 524.52 540.53 493.74 492.47
geom. mean 737.94 811.79 899.97 882.72 420.07 389.88 340.61 276.55 257.77 235.23 219.61 190.17 169.23
median 793.57 820.58 909.26 881.57 779.66 742.92 673.21 541.98 545.89 560.01 591.68 436.63 117.22
first quartile 712.6 747.22 793.62 759.64 240.64 128.32 77.39 68.7 45.07 43.86 43.92 42.76 37.7
third quartile 877.05 960.1 1007.05 1060.4 962.24 976.68 792.62 606.03 670.44 653.14 670.72 668.15 700.33
minimum 207.9 410.6 501.02 346.93 30.77 30.84 33.15 33.14 33.2 33.21 33.18 33.4 33.68
maximum 1028.62 1112.61 1564.0 1491.1 1387.72 1582.03 1524.31 1288.65 1111.84 1109.54 1085.07 982.26 978.54
baseline set1 difference -2.35 % -7.97 % 1.88 % 2.45 % 13.34 % 15.91 % 25.28 % 16.15 % 16.02 % 17.55 % 29.55 % 60.35 % 33.38 %
ttest p-value 0.1999 0.2207 0.8637 0.5685 0.5617 0.3523 0.2598 0.4019 0.3114 0.5273 0.454 0.5763 0.5673
ttest equality SAME SAME SAME SAME SAME SAME SAME SAME SAME SAME SAME SAME SAME
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Fread

fread_fs
Fread File size [kB] 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768 65536 131072 262144 524288 1048576
baselinemean val. 331.33 710.89 1063.74 1457.05 1644.15 1734.68 1806.42 1698.73 1753.42 1797.34 1613.74 1601.4 1505.15 1244.07 1288.16 1342.08 1368.37 1399.25 386.76
standard dev. 81.71 258.94 216.62 301.96 331.23 351.92 355.18 351.79 441.21 549.22 533.33 610.27 590.94 511.73 533.9 594.33 614.62 618.9 679.26
ci. min. 90% 235.18 537.44 951.44 1324.71 1516.08 1611.56 1692.1 1593.29 1629.18 1651.03 1478.58 1453.6 1367.87 1099.96 1137.82 1174.72 1195.29 1224.97 195.48
ci. max. 90% 427.48 884.33 1176.04 1589.39 1772.21 1857.79 1920.75 1804.17 1877.66 1943.66 1748.9 1749.2 1642.44 1388.17 1438.51 1509.44 1541.44 1573.52 578.03
geom. mean 322.73 659.73 1042.13 1419.85 1605.15 1697.05 1766.57 1663.74 1693.32 1699.32 1523.05 1479.95 1386.05 1147.35 1192.31 1226.02 1245.12 1273.63 103.6
median 357.2 741.95 1078.96 1484.35 1666.61 1773.14 1879.82 1605.0 1775.08 1847.79 1588.56 1571.03 1647.8 950.01 886.83 880.07 880.32 883.47 47.15
first quartile 296.62 597.81 951.88 1412.33 1550.89 1547.03 1697.31 1482.09 1464.36 1457.63 1112.57 979.04 903.99 865.38 862.04 861.6 861.22 873.97 42.73
third quartile 391.91 866.75 1201.34 1583.6 1848.89 1965.39 2048.78 1908.65 2067.95 2270.73 1975.5 2177.79 1910.93 1769.85 1821.55 2045.0 2143.8 2158.89 253.71
minimum 219.02 269.02 676.98 728.96 792.44 960.58 1016.25 1005.92 843.11 776.38 788.34 761.39 771.46 370.25 845.49 816.44 849.39 865.55 40.66
maximum 391.91 1099.39 1430.74 1851.15 2083.72 2407.14 2255.94 2416.61 2543.84 2522.28 2607.67 2626.4 2504.36 2177.59 2241.13 2262.52 2292.82 2307.22 2294.91
set1mean val. 331.33 710.89 1063.74 1457.05 1644.15 1734.68 1806.42 1698.73 1753.42 1797.34 1613.74 1601.4 1505.15 1244.07 1288.16 1342.08 1368.37 1399.25 386.76
standard dev. 81.71 258.94 216.62 301.96 331.23 351.92 355.18 351.79 441.21 549.22 533.33 610.27 590.94 511.73 533.9 594.33 614.62 618.9 679.26
ci. min. 90% 235.18 537.44 951.44 1324.71 1516.08 1611.56 1692.1 1593.29 1629.18 1651.03 1478.58 1453.6 1367.87 1099.96 1137.82 1174.72 1195.29 1224.97 195.48
ci. max. 90% 427.48 884.33 1176.04 1589.39 1772.21 1857.79 1920.75 1804.17 1877.66 1943.66 1748.9 1749.2 1642.44 1388.17 1438.51 1509.44 1541.44 1573.52 578.03
geom. mean 322.73 659.73 1042.13 1419.85 1605.15 1697.05 1766.57 1663.74 1693.32 1699.32 1523.05 1479.95 1386.05 1147.35 1192.31 1226.02 1245.12 1273.63 103.6
median 357.2 741.95 1078.96 1484.35 1666.61 1773.14 1879.82 1605.0 1775.08 1847.79 1588.56 1571.03 1647.8 950.01 886.83 880.07 880.32 883.47 47.15
first quartile 296.62 597.81 951.88 1412.33 1550.89 1547.03 1697.31 1482.09 1464.36 1457.63 1112.57 979.04 903.99 865.38 862.04 861.6 861.22 873.97 42.73
third quartile 391.91 866.75 1201.34 1583.6 1848.89 1965.39 2048.78 1908.65 2067.95 2270.73 1975.5 2177.79 1910.93 1769.85 1821.55 2045.0 2143.8 2158.89 253.71
minimum 219.02 269.02 676.98 728.96 792.44 960.58 1016.25 1005.92 843.11 776.38 788.34 761.39 771.46 370.25 845.49 816.44 849.39 865.55 40.66
maximum 391.91 1099.39 1430.74 1851.15 2083.72 2407.14 2255.94 2416.61 2543.84 2522.28 2607.67 2626.4 2504.36 2177.59 2241.13 2262.52 2292.82 2307.22 2294.91
baseline set1 difference -41.88 % -46.48 % -37.76 % -26.68 % -21.31 % -15.69 % 8.23 % -7.53 % 10.47 % 26.99 % -3.5 % 0.88 % 15.36 % 11.05 % 3.4 % 702.89 % 702.3 % 1115.43 % -35.26 %
ttest p-value 0.0011 0.0014 0.0 0.0 0.0002 0.0002 0.7431 0.4677 0.2363 0.0 0.6087 0.083 0.0444 0.2957 0.2824 0.0 0.0 0.0 0.0076
ttest equality DIFF DIFF DIFF DIFF DIFF DIFF SAME SAME SAME DIFF SAME DIFF DIFF SAME SAME DIFF DIFF DIFF DIFF
fread_bs
Fread Block size [kB] 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384
baselinemean val. 1439.43 1657.13 1827.94 1865.28 1932.17 1891.49 1824.65 1306.03 868.49 845.39 808.42 803.64 750.96
standard dev. 503.86 531.26 445.23 379.0 524.57 539.2 571.92 423.36 263.02 251.95 241.31 254.83 265.48
ci. min. 90% 1322.37 1528.47 1715.11 1764.31 1819.0 1770.94 1691.78 1203.5 801.83 778.28 740.47 727.26 665.5
ci. max. 90% 1556.48 1785.8 1940.77 1966.24 2045.34 2012.04 1957.52 1408.56 935.15 912.51 876.37 880.02 836.42
geom. mean 1304.65 1545.2 1766.65 1819.67 1653.97 1600.51 1520.61 1097.51 748.83 724.09 686.99 670.56 609.98
median 1551.83 1666.61 1835.63 1865.49 2061.75 2010.55 2010.98 1399.92 881.58 867.43 867.3 861.9 861.0
first quartile 1128.91 1350.66 1557.49 1694.99 1807.27 1806.55 1618.98 1150.3 850.72 853.56 856.13 854.45 814.52
third quartile 1841.0 2096.79 2155.34 2110.54 2173.24 2212.56 2229.72 1580.82 921.67 934.71 874.98 874.54 873.26
minimum 219.02 269.02 728.96 792.44 40.66 40.88 42.36 42.8 44.3 45.89 47.44 48.69 48.53
maximum 2178.63 2451.75 2491.81 2493.93 2626.4 2554.23 2447.94 1807.32 1438.96 1218.07 1131.55 1123.13 894.48
set1mean val. 1439.43 1657.13 1827.94 1865.28 1932.17 1891.49 1824.65 1306.03 868.49 845.39 808.42 803.64 750.96
standard dev. 503.86 531.26 445.23 379.0 524.57 539.2 571.92 423.36 263.02 251.95 241.31 254.83 265.48
ci. min. 90% 1322.37 1528.47 1715.11 1764.31 1819.0 1770.94 1691.78 1203.5 801.83 778.28 740.47 727.26 665.5
ci. max. 90% 1556.48 1785.8 1940.77 1966.24 2045.34 2012.04 1957.52 1408.56 935.15 912.51 876.37 880.02 836.42
geom. mean 1304.65 1545.2 1766.65 1819.67 1653.97 1600.51 1520.61 1097.51 748.83 724.09 686.99 670.56 609.98
median 1551.83 1666.61 1835.63 1865.49 2061.75 2010.55 2010.98 1399.92 881.58 867.43 867.3 861.9 861.0
first quartile 1128.91 1350.66 1557.49 1694.99 1807.27 1806.55 1618.98 1150.3 850.72 853.56 856.13 854.45 814.52
third quartile 1841.0 2096.79 2155.34 2110.54 2173.24 2212.56 2229.72 1580.82 921.67 934.71 874.98 874.54 873.26
minimum 219.02 269.02 728.96 792.44 40.66 40.88 42.36 42.8 44.3 45.89 47.44 48.69 48.53
maximum 2178.63 2451.75 2491.81 2493.93 2626.4 2554.23 2447.94 1807.32 1438.96 1218.07 1131.55 1123.13 894.48
baseline set1 difference -5.45 % -6.65 % -1.31 % -8.56 % 18.54 % 22.11 % 41.41 % 37.78 % 14.57 % 16.33 % 16.16 % 109.49 % 684.59 %
ttest p-value 0.0658 0.0576 0.5487 0.331 0.0001 0.0001 0.0 0.0 0.0002 0.0 0.0001 0.0 0.0005
ttest equality DIFF DIFF SAME SAME DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF DIFF
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Freread

freread_fs
Freread File size [kB] 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768 65536 131072 262144 524288 1048576
baselinemean val. 1297.22 1569.46 1470.32 2019.84 2260.76 2158.95 2212.81 2000.85 1855.2 1791.81 1644.79 1530.18 1496.76 1258.93 1313.86 1336.41 1365.76 1402.06 385.78
standard dev. 795.04 744.4 685.31 520.07 608.09 469.52 345.87 342.36 475.83 557.4 565.94 638.76 543.12 492.16 549.65 575.39 604.63 620.79 676.98
ci. min. 90% 361.7 1070.84 1115.03 1791.91 2025.65 1994.69 2101.47 1898.24 1721.21 1643.32 1501.37 1375.48 1370.58 1120.34 1159.08 1174.39 1195.5 1227.24 195.14
ci. max. 90% 2232.73 2068.08 1825.6 2247.76 2495.87 2323.21 2324.14 2103.46 1989.19 1940.3 1788.22 1684.88 1622.94 1397.52 1468.64 1498.44 1536.03 1576.87 576.41
geom. mean 1100.57 1288.68 1318.19 1953.69 2153.0 2101.58 2186.23 1970.37 1792.65 1688.68 1539.26 1395.45 1397.23 1170.04 1213.47 1226.62 1245.89 1275.87 102.88
median 1260.55 1949.81 1242.86 2054.24 2355.6 2232.86 2192.96 1964.98 1766.92 1780.15 1713.06 1517.69 1655.36 927.84 888.51 886.01 888.76 884.48 46.51
first quartile 637.56 1570.43 1175.45 1532.35 2158.7 1858.92 1964.36 1794.28 1543.15 1487.41 1187.5 852.19 955.24 902.79 871.27 870.57 863.71 873.43 42.5
third quartile 1920.2 1949.81 1555.65 2402.69 2646.89 2430.08 2411.63 2184.98 2320.9 2309.92 2208.53 2061.14 1957.06 1769.4 1842.75 2027.97 2121.45 2174.65 253.59
minimum 568.78 301.16 372.77 1250.62 762.48 1008.62 1533.44 1108.54 928.6 573.59 761.33 727.08 800.92 402.16 856.32 847.24 857.12 868.31 39.07
maximum 2098.98 2073.18 2641.97 2861.48 2985.5 2836.97 2906.21 2564.36 2631.63 2684.52 2635.11 2636.72 2538.85 2145.33 2271.68 2239.17 2281.03 2278.21 2287.0
set1mean val. 1297.22 1569.46 1470.32 2019.84 2260.76 2158.95 2212.81 2000.85 1855.2 1791.81 1644.79 1530.18 1496.76 1258.93 1313.86 1336.41 1365.76 1402.06 385.78
standard dev. 795.04 744.4 685.31 520.07 608.09 469.52 345.87 342.36 475.83 557.4 565.94 638.76 543.12 492.16 549.65 575.39 604.63 620.79 676.98
ci. min. 90% 361.7 1070.84 1115.03 1791.91 2025.65 1994.69 2101.47 1898.24 1721.21 1643.32 1501.37 1375.48 1370.58 1120.34 1159.08 1174.39 1195.5 1227.24 195.14
ci. max. 90% 2232.73 2068.08 1825.6 2247.76 2495.87 2323.21 2324.14 2103.46 1989.19 1940.3 1788.22 1684.88 1622.94 1397.52 1468.64 1498.44 1536.03 1576.87 576.41
geom. mean 1100.57 1288.68 1318.19 1953.69 2153.0 2101.58 2186.23 1970.37 1792.65 1688.68 1539.26 1395.45 1397.23 1170.04 1213.47 1226.62 1245.89 1275.87 102.88
median 1260.55 1949.81 1242.86 2054.24 2355.6 2232.86 2192.96 1964.98 1766.92 1780.15 1713.06 1517.69 1655.36 927.84 888.51 886.01 888.76 884.48 46.51
first quartile 637.56 1570.43 1175.45 1532.35 2158.7 1858.92 1964.36 1794.28 1543.15 1487.41 1187.5 852.19 955.24 902.79 871.27 870.57 863.71 873.43 42.5
third quartile 1920.2 1949.81 1555.65 2402.69 2646.89 2430.08 2411.63 2184.98 2320.9 2309.92 2208.53 2061.14 1957.06 1769.4 1842.75 2027.97 2121.45 2174.65 253.59
minimum 568.78 301.16 372.77 1250.62 762.48 1008.62 1533.44 1108.54 928.6 573.59 761.33 727.08 800.92 402.16 856.32 847.24 857.12 868.31 39.07
maximum 2098.98 2073.18 2641.97 2861.48 2985.5 2836.97 2906.21 2564.36 2631.63 2684.52 2635.11 2636.72 2538.85 2145.33 2271.68 2239.17 2281.03 2278.21 2287.0
baseline set1 difference -32.25 % -23.8 % -51.06 % -20.37 % -15.28 % -14.09 % 5.26 % 4.96 % 4.23 % 11.84 % -6.86 % -3.62 % 16.75 % 7.93 % 4.05 % 6.26 % 5.82 % 2.74 % -42.92 %
ttest p-value 0.3243 0.0372 0.0001 0.0027 0.0076 0.0001 0.8072 0.4148 0.1539 0.0057 0.5203 0.1233 0.0606 0.3369 0.1998 0.0448 0.0465 0.0599 0.0094
ttest equality SAME DIFF DIFF DIFF DIFF DIFF SAME SAME SAME DIFF SAME SAME DIFF SAME SAME DIFF DIFF DIFF DIFF
freread_bs
Freread Block size [kB] 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384
baselinemean val. 1731.23 1998.23 2153.25 2098.66 2004.02 2009.73 1871.83 1346.22 871.92 826.65 804.88 796.33 779.9
standard dev. 457.48 520.72 437.28 435.61 599.55 550.3 558.8 443.55 268.92 245.73 236.27 249.77 275.14
ci. min. 90% 1624.95 1872.12 2042.43 1982.61 1874.67 1886.7 1742.01 1238.8 803.76 761.18 738.35 721.47 691.33
ci. max. 90% 1837.52 2124.34 2264.07 2214.7 2133.37 2132.76 2001.64 1453.64 940.07 892.11 871.42 871.2 868.46
geom. mean 1650.3 1882.45 2106.92 2051.2 1693.07 1701.69 1566.87 1127.02 749.27 708.52 684.25 664.77 631.84
median 1801.16 2109.24 2167.64 2136.12 2114.92 2144.44 2019.79 1442.14 887.57 863.96 871.41 871.44 873.65
first quartile 1511.92 1788.8 1809.33 1795.65 1833.11 1913.1 1713.26 1155.8 868.97 835.44 857.46 851.74 861.19
third quartile 2093.76 2323.85 2533.37 2478.32 2335.99 2220.38 2201.11 1657.0 924.95 878.08 891.28 889.74 884.23
minimum 432.26 301.16 1195.79 1097.73 39.07 40.97 42.16 42.42 43.97 45.4 47.19 47.85 48.66
maximum 2409.29 2861.48 2985.5 2906.21 2985.5 2719.25 2603.18 2024.66 1384.8 1242.98 967.35 1057.37 966.93
set1mean val. 1731.23 1998.23 2153.25 2098.66 2004.02 2009.73 1871.83 1346.22 871.92 826.65 804.88 796.33 779.9
standard dev. 457.48 520.72 437.28 435.61 599.55 550.3 558.8 443.55 268.92 245.73 236.27 249.77 275.14
ci. min. 90% 1624.95 1872.12 2042.43 1982.61 1874.67 1886.7 1742.01 1238.8 803.76 761.18 738.35 721.47 691.33
ci. max. 90% 1837.52 2124.34 2264.07 2214.7 2133.37 2132.76 2001.64 1453.64 940.07 892.11 871.42 871.2 868.46
geom. mean 1650.3 1882.45 2106.92 2051.2 1693.07 1701.69 1566.87 1127.02 749.27 708.52 684.25 664.77 631.84
median 1801.16 2109.24 2167.64 2136.12 2114.92 2144.44 2019.79 1442.14 887.57 863.96 871.41 871.44 873.65
first quartile 1511.92 1788.8 1809.33 1795.65 1833.11 1913.1 1713.26 1155.8 868.97 835.44 857.46 851.74 861.19
third quartile 2093.76 2323.85 2533.37 2478.32 2335.99 2220.38 2201.11 1657.0 924.95 878.08 891.28 889.74 884.23
minimum 432.26 301.16 1195.79 1097.73 39.07 40.97 42.16 42.42 43.97 45.4 47.19 47.85 48.66
maximum 2409.29 2861.48 2985.5 2906.21 2985.5 2719.25 2603.18 2024.66 1384.8 1242.98 967.35 1057.37 966.93
baseline set1 difference -5.84 % -1.43 % 2.67 % -1.55 % 22.05 % 27.25 % 30.17 % 26.55 % 5.64 % 7.08 % 7.6 % 6.85 % 7.1 %
ttest p-value 0.0014 0.0589 0.5337 0.3976 0.1537 0.0075 0.0005 0.0028 0.3129 0.1075 0.1697 0.3586 0.409
ttest equality DIFF DIFF SAME SAME SAME DIFF DIFF DIFF SAME SAME SAME SAME SAME
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Baseline data set
  • /home/esprit/Iozone/baseline_1.iozone
  • /home/esprit/Iozone/baseline_2.iozone
  • /home/esprit/Iozone/baseline_3.iozone
  • /home/esprit/Iozone/baseline_4.iozone
Investigated data set
  • /home/esprit/Iozone/nfs_1.iozone
  • /home/esprit/Iozone/nfs_2.iozone
  • /home/esprit/Iozone/nfs_3.iozone
  • /home/esprit/Iozone/nfs_4.iozone

mean => Arithmetic mean
standar dev. => Sample standard deviation
ci. max 90%, ci.min => confidence interval at confidence level 90% => it means that mean value of the distribution lies with 90% propability in interval ci_min-ci_max
geom. mean => Geometric mean
median => Second quartile = cuts data set in half = 50th percentile
first quartile => cuts off lowest 25% of data = 25th percentile
third quartile => cuts off highest 25% of data, or lowest 75% = 75th percentile
minimum => Lowest value of data set
maximum => Hightest value of data set
baseline set1 difference => Difference of medians of both sets in percennt. Arithmetic means are used in detail mode instead.
ttest p-value => Student's t-test p-value = probability the both data sets are equal
ttest equality => If p-value is higher than 0.1, data sets are considered being equal with 90% probability. Otherwise the data sets are considered being different.
Linear regression of all results regression line is in y = ax form, b coeficient is zero.

for details about operations performed see Iozone documentation