Tests by date
UBIFS, 2009-04-27
write_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 1927 | 1942 | 1938 | 1937 | 1956 | 1952 |
| 64 | 5991 | 6132 | 5978 | 6156 | 6087 | 6112 |
| 512 | | | 6957 | 6851 | 6991 | 7396 |
| 2048 | | | | 11075 | 7070 | 7379 |
| 8192 | | | | | | 10265 |
rewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3360 | 3154 | 3159 | 3165 | 3179 | 3111 |
| 64 | 6678 | 6625 | 6483 | 6628 | 6668 | 6600 |
| 512 | | | 7137 | 7110 | 7170 | 7161 |
| 2048 | | | | 11481 | 7177 | 7174 |
| 8192 | | | | | | 10065 |
read_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 32243 | 30392 | 34239 | 33756 | 33953 | 34147 |
| 64 | 33279 | 38652 | 38835 | 38925 | 39382 | 39429 |
| 512 | | | 38970 | 39359 | 40208 | 39703 |
| 2048 | | | | 65089 | 45343 | 42629 |
| 8192 | | | | | | 81566 |
reread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 41106 | 34664 | 33552 | 33271 | 34073 | 67075 |
| 64 | 40304 | 38834 | 39197 | 38925 | 40088 | 78835 |
| 512 | | | 38478 | 39615 | 40353 | 76044 |
| 2048 | | | | 64900 | 63549 | 85027 |
| 8192 | | | | | | 100200 |
randomread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 30843 | 31535 | 30338 | 31285 | 30222 | 75936 |
| 64 | 30389 | 37786 | 39154 | 38880 | 67888 | 96768 |
| 512 | | | 38434 | 39638 | 64807 | 98219 |
| 2048 | | | | 65025 | 98326 | 99126 |
| 8192 | | | | | | 100349 |
randomwrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2991 | 3027 | 3099 | 3070 | 3179 | 3215 |
| 64 | 6078 | 6615 | 6610 | 6795 | 9297 | 7783 |
| 512 | | | 7125 | 15165 | 12014 | 9690 |
| 2048 | | | | 16798 | 14840 | 13327 |
| 8192 | | | | | | 10176 |
bkwdread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 36781 | 32892 | 33025 | 32928 | 33017 | 33833 |
| 64 | 33279 | 37779 | 39336 | 39639 | 39050 | 39204 |
| 512 | | | 39756 | 94920 | 41669 | 39703 |
| 2048 | | | | 79229 | 64776 | 64854 |
| 8192 | | | | | | 66774 |
recrewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3292 | 3377 | 3355 | 3358 | 3350 | 3281 |
| 64 | 6594 | 6668 | 6793 | 6787 | 10010 | 8462 |
| 512 | | | 7119 | 11475 | 9958 | 9714 |
| 2048 | | | | 14142 | 14633 | 13111 |
| 8192 | | | | | | 10919 |
strideread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 91175 | 32262 | 31505 | 31126 | 31198 | 32716 |
| 64 | 38807 | 40518 | 36472 | 37511 | 38746 | 39446 |
| 512 | | | 40230 | 65027 | 40561 | 42153 |
| 2048 | | | | 81441 | 64527 | 64589 |
| 8192 | | | | | | 58944 |
fwrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 1954 | 1901 | 1868 | 1853 | 1868 | 1775 |
| 64 | 6025 | 7187 | 6019 | 5825 | 5675 | 6534 |
| 512 | | | 10662 | 12821 | 9667 | 8050 |
| 2048 | | | | 13922 | 17829 | 15571 |
| 8192 | | | | | | 10458 |
frewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3026 | 3068 | 3021 | 2997 | 3023 | 2731 |
| 64 | 6721 | 8136 | 6615 | 6371 | 6258 | 6221 |
| 512 | | | 11975 | 13376 | 7273 | 6899 |
| 2048 | | | | 11734 | 19029 | 11762 |
| 8192 | | | | | | 10589 |
fread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 33262 | 33416 | 33453 | 32735 | 33970 | 34125 |
| 64 | 32767 | 38299 | 39244 | 38813 | 39130 | 39898 |
| 512 | | | 39850 | 64465 | 52428 | 40907 |
| 2048 | | | | 65152 | 66280 | 65360 |
| 8192 | | | | | | 69399 |
freread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 37448 | 34376 | 33354 | 33058 | 36167 | 65122 |
| 64 | 40298 | 38479 | 38925 | 38835 | 40245 | 68390 |
| 512 | | | 39199 | 64340 | 64589 | 78975 |
| 2048 | | | | 63487 | 66312 | 73584 |
| 8192 | | | | | | 100123 |
write_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2833 | 1974 | 1964 | 2046 | 1990 | 2000 |
| 64 | 6095 | 6209 | 6166 | 6203 | 6115 | 6165 |
| 512 | | | 7025 | 6996 | 10887 | 7946 |
| 2048 | | | | 11318 | 11426 | 11933 |
| 8192 | | | | | | 11759 |
rewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 5029 | 3202 | 3216 | 3209 | 3197 | 3200 |
| 64 | 6875 | 6836 | 6741 | 6779 | 6785 | 6782 |
| 512 | | | 7198 | 7181 | 8727 | 7212 |
| 2048 | | | | 11566 | 11503 | 11531 |
| 8192 | | | | | | 11704 |
read_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 77668 | 35999 | 34378 | 34186 | 34283 | 36761 |
| 64 | 41100 | 39944 | 40329 | 39921 | 40549 | 45839 |
| 512 | | | 40040 | 40869 | 65280 | 46498 |
| 2048 | | | | 67512 | 66116 | 66691 |
| 8192 | | | | | | 100687 |
reread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 83776 | 36153 | 33824 | 34152 | 35657 | 84840 |
| 64 | 42777 | 39944 | 40279 | 39897 | 44888 | 99126 |
| 512 | | | 41020 | 41760 | 68758 | 99826 |
| 2048 | | | | 65985 | 72706 | 99789 |
| 8192 | | | | | | 104408 |
randomread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 74852 | 32511 | 31476 | 38545 | 60758 | 77806 |
| 64 | 41106 | 39012 | 40136 | 45558 | 98760 | 97896 |
| 512 | | | 41171 | 52387 | 80852 | 99752 |
| 2048 | | | | 68761 | 100164 | 99863 |
| 8192 | | | | | | 104367 |
randomwrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 4578 | 3154 | 3133 | 3708 | 3456 | 3282 |
| 64 | 6831 | 6836 | 6777 | 15812 | 11097 | 7994 |
| 512 | | | 16735 | 17076 | 14884 | 10671 |
| 2048 | | | | 17071 | 16814 | 13700 |
| 8192 | | | | | | 12499 |
bkwdread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 69865 | 34660 | 33386 | 33437 | 33621 | 36221 |
| 64 | 38118 | 38834 | 39850 | 76173 | 40233 | 41114 |
| 512 | | | 100756 | 100156 | 64434 | 45706 |
| 2048 | | | | 95732 | 68268 | 66444 |
| 8192 | | | | | | 86927 |
recrewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 4681 | 3403 | 3404 | 3412 | 3587 | 3341 |
| 64 | 6897 | 6887 | 6874 | 6851 | 10485 | 8679 |
| 512 | | | 17049 | 14154 | 12725 | 11813 |
| 2048 | | | | 14333 | 15170 | 13416 |
| 8192 | | | | | | 12175 |
strideread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 190491 | 33821 | 32799 | 32561 | 32848 | 35715 |
| 64 | 41100 | 41110 | 42796 | 39826 | 40561 | 40360 |
| 512 | | | 87148 | 81243 | 42554 | 66019 |
| 2048 | | | | 85819 | 68547 | 65551 |
| 8192 | | | | | | 85162 |
fwrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2235 | 1928 | 1895 | 1890 | 1889 | 1868 |
| 64 | 6241 | 7358 | 6089 | 5889 | 5780 | 6597 |
| 512 | | | 21731 | 13192 | 11338 | 10611 |
| 2048 | | | | 14098 | 21027 | 15875 |
| 8192 | | | | | | 11153 |
frewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3328 | 3111 | 3063 | 3050 | 3050 | 3064 |
| 64 | 6875 | 8191 | 6664 | 6466 | 6366 | 6279 |
| 512 | | | 22795 | 13500 | 11733 | 6928 |
| 2048 | | | | 12250 | 19256 | 13465 |
| 8192 | | | | | | 11783 |
fread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 34369 | 35393 | 34030 | 33996 | 34186 | 36964 |
| 64 | 40298 | 39567 | 40572 | 40064 | 40585 | 40708 |
| 512 | | | 66184 | 66179 | 66279 | 50504 |
| 2048 | | | | 65987 | 66873 | 66691 |
| 8192 | | | | | | 100161 |
freread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 41100 | 35694 | 33588 | 33841 | 51111 | 83990 |
| 64 | 41909 | 39944 | 40185 | 40040 | 57480 | 78512 |
| 512 | | | 65920 | 65598 | 68652 | 99825 |
| 2048 | | | | 65664 | 67175 | 87494 |
| 8192 | | | | | | 104612 |
write_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3297 | 2055 | 2057 | 2208 | 2131 | 2098 |
| 64 | 14565 | 6316 | 6276 | 13443 | 6339 | 6177 |
| 512 | | | 7065 | 16440 | 14001 | 12084 |
| 2048 | | | | 16020 | 16060 | 12694 |
| 8192 | | | | | | 14140 |
rewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 6298 | 3339 | 3328 | 3323 | 3323 | 3256 |
| 64 | 16132 | 6955 | 6853 | 7206 | 6833 | 6827 |
| 512 | | | 7242 | 11898 | 11550 | 11482 |
| 2048 | | | | 14684 | 11588 | 12095 |
| 8192 | | | | | | 14620 |
read_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 104899 | 39378 | 37657 | 37220 | 36872 | 47393 |
| 64 | 110332 | 42363 | 41373 | 41838 | 41995 | 55108 |
| 512 | | | 41994 | 84943 | 105933 | 100838 |
| 2048 | | | | 68618 | 68722 | 72412 |
| 8192 | | | | | | 105020 |
reread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 110513 | 39378 | 37448 | 36913 | 57852 | 91026 |
| 64 | 110332 | 42363 | 41119 | 42635 | 55461 | 103883 |
| 512 | | | 101991 | 98542 | 105184 | 103763 |
| 2048 | | | | 79134 | 104367 | 104408 |
| 8192 | | | | | | 105103 |
randomread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 100014 | 34948 | 33487 | 52386 | 81939 | 83390 |
| 64 | 77672 | 41117 | 40769 | 99863 | 103484 | 102768 |
| 512 | | | 102605 | 98542 | 105431 | 103443 |
| 2048 | | | | 103879 | 104123 | 104529 |
| 8192 | | | | | | 105062 |
randomwrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 6043 | 3257 | 3241 | 4029 | 3700 | 3455 |
| 64 | 16913 | 6887 | 6845 | 16127 | 12189 | 8510 |
| 512 | | | 17331 | 17282 | 17236 | 13782 |
| 2048 | | | | 17318 | 17291 | 15536 |
| 8192 | | | | | | 15399 |
bkwdread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 91305 | 37780 | 37076 | 36630 | 36502 | 41482 |
| 64 | 100014 | 41118 | 41578 | 100761 | 62368 | 55484 |
| 512 | | | 107202 | 105349 | 68304 | 68147 |
| 2048 | | | | 103560 | 85270 | 72276 |
| 8192 | | | | | | 104979 |
recrewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 5793 | 3540 | 3543 | 4467 | 3884 | 3489 |
| 64 | 16132 | 6961 | 11081 | 15480 | 11327 | 9085 |
| 512 | | | 17224 | 17150 | 15379 | 13744 |
| 2048 | | | | 17309 | 17351 | 15164 |
| 8192 | | | | | | 15772 |
strideread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 262406 | 37279 | 36551 | 35658 | 34970 | 43018 |
| 64 | 104899 | 44858 | 112974 | 105518 | 43073 | 42541 |
| 512 | | | 106179 | 98112 | 69977 | 75700 |
| 2048 | | | | 104038 | 96076 | 70995 |
| 8192 | | | | | | 104897 |
fwrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3597 | 2006 | 1975 | 1968 | 2079 | 1916 |
| 64 | 14077 | 7482 | 14134 | 6290 | 8035 | 6716 |
| 512 | | | 26071 | 16001 | 14036 | 12641 |
| 2048 | | | | 16993 | 25890 | 17447 |
| 8192 | | | | | | 15253 |
frewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 6150 | 3195 | 3159 | 3144 | 3150 | 3118 |
| 64 | 15892 | 8280 | 11052 | 6576 | 6433 | 6395 |
| 512 | | | 23830 | 13579 | 11884 | 11115 |
| 2048 | | | | 15388 | 23551 | 13549 |
| 8192 | | | | | | 15654 |
fread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 91181 | 38301 | 37829 | 37281 | 37015 | 47343 |
| 64 | 104899 | 42581 | 41372 | 42313 | 41877 | 60994 |
| 512 | | | 69471 | 68407 | 100011 | 70418 |
| 2048 | | | | 85269 | 71505 | 102573 |
| 8192 | | | | | | 105103 |
freread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 104940 | 38654 | 37076 | 36933 | 66941 | 89597 |
| 64 | 105104 | 42581 | 40770 | 42100 | 74151 | 102337 |
| 512 | | | 68476 | 68130 | 104122 | 104004 |
| 2048 | | | | 85269 | 88184 | 102768 |
| 8192 | | | | | | 105349 |