Tests by date
UBIFS, 2008-11-22
write_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3251 | 2023 | 2022 | 2015 | 2036 | 2055 |
| 64 | 5974 | 6181 | 6162 | 6148 | 5704 | 6068 |
| 512 | | | 6599 | 7013 | 7674 | 8583 |
| 2048 | | | | 11324 | 11239 | 7405 |
| 8192 | | | | | | 11342 |
rewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 5029 | 3262 | 3251 | 3256 | 3260 | 3195 |
| 64 | 6875 | 5592 | 6763 | 6702 | 6709 | 6664 |
| 512 | | | 7084 | 7130 | 7041 | 7117 |
| 2048 | | | | 11376 | 11415 | 12180 |
| 8192 | | | | | | 14439 |
read_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 80607 | 36153 | 33587 | 34030 | 33859 | 35007 |
| 64 | 40298 | 41117 | 38260 | 37015 | 40353 | 38645 |
| 512 | | | 38523 | 39107 | 41007 | 40591 |
| 2048 | | | | 67174 | 66543 | 64511 |
| 8192 | | | | | | 92308 |
reread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 87319 | 36312 | 33688 | 33773 | 41501 | 84121 |
| 64 | 34374 | 41318 | 38303 | 38523 | 51522 | 75233 |
| 512 | | | 37913 | 49452 | 45069 | 100611 |
| 2048 | | | | 67648 | 69542 | 98978 |
| 8192 | | | | | | 102456 |
randomread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 72234 | 31415 | 30256 | 30462 | 75742 | 75423 |
| 64 | 39556 | 38654 | 37364 | 94920 | 99272 | 94055 |
| 512 | | | 37785 | 96141 | 101371 | 100461 |
| 2048 | | | | 102139 | 100991 | 97790 |
| 8192 | | | | | | 102181 |
randomwrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 4219 | 3206 | 3188 | 3177 | 3554 | 3361 |
| 64 | 6786 | 6710 | 6729 | 15982 | 10750 | 8077 |
| 512 | | | 6996 | 16882 | 17034 | 11888 |
| 2048 | | | | 16861 | 16817 | 13643 |
| 8192 | | | | | | 14420 |
bkwdread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 34374 | 34806 | 33454 | 33403 | 33445 | 41727 |
| 64 | 37427 | 38299 | 38656 | 68616 | 40076 | 38523 |
| 512 | | | 38612 | 63309 | 89958 | 40604 |
| 2048 | | | | 102139 | 83157 | 72140 |
| 8192 | | | | | | 67564 |
recrewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3404 | 3480 | 3408 | 3485 | 3670 | 3403 |
| 64 | 6808 | 6803 | 6647 | 6697 | 9929 | 8388 |
| 512 | | | 6685 | 11430 | 11867 | 13593 |
| 2048 | | | | 17089 | 15777 | 13739 |
| 8192 | | | | | | 13973 |
strideread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 95217 | 34519 | 32608 | 32341 | 32577 | 32533 |
| 64 | 39556 | 43236 | 40327 | 38216 | 39721 | 40678 |
| 512 | | | 37871 | 64278 | 40536 | 66625 |
| 2048 | | | | 102451 | 73182 | 63821 |
| 8192 | | | | | | 102378 |
fwrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2004 | 1984 | 1944 | 1939 | 1944 | 1855 |
| 64 | 6043 | 7037 | 6033 | 5723 | 5761 | 6477 |
| 512 | | | 10713 | 12865 | 13303 | 8263 |
| 2048 | | | | 16836 | 17748 | 15744 |
| 8192 | | | | | | 14977 |
frewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3083 | 3173 | 3068 | 3078 | 3101 | 3070 |
| 64 | 6830 | 8144 | 6562 | 6377 | 6267 | 6194 |
| 512 | | | 11670 | 13081 | 11410 | 6807 |
| 2048 | | | | 15155 | 18826 | 13358 |
| 8192 | | | | | | 14573 |
fread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 32771 | 33687 | 33588 | 33587 | 33562 | 34256 |
| 64 | 38835 | 40132 | 38836 | 38172 | 41221 | 42696 |
| 512 | | | 40185 | 66508 | 64157 | 40408 |
| 2048 | | | | 80081 | 65631 | 65647 |
| 8192 | | | | | | 101409 |
freread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 38118 | 33552 | 33123 | 33553 | 33756 | 83468 |
| 64 | 39556 | 40132 | 37914 | 38129 | 99126 | 95425 |
| 512 | | | 40232 | 65985 | 64065 | 85162 |
| 2048 | | | | 80081 | 65759 | 87523 |
| 8192 | | | | | | 101486 |
write_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2949 | 2024 | 2019 | 2099 | 2039 | 2066 |
| 64 | 6043 | 6213 | 6171 | 6134 | 5915 | 6019 |
| 512 | | | 6914 | 6976 | 12966 | 7266 |
| 2048 | | | | 15563 | 14308 | 12184 |
| 8192 | | | | | | 13883 |
rewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 5432 | 3267 | 3253 | 3236 | 3251 | 3193 |
| 64 | 6831 | 6694 | 6739 | 6549 | 6527 | 6669 |
| 512 | | | 7180 | 7058 | 11345 | 7087 |
| 2048 | | | | 14755 | 11381 | 11309 |
| 8192 | | | | | | 13947 |
read_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 80607 | 35999 | 34273 | 34116 | 34073 | 34048 |
| 64 | 40304 | 37959 | 38435 | 40208 | 38501 | 52448 |
| 512 | | | 39475 | 40696 | 63943 | 63852 |
| 2048 | | | | 79136 | 64126 | 75807 |
| 8192 | | | | | | 102027 |
reread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 87319 | 36312 | 33756 | 33978 | 35573 | 76000 |
| 64 | 41106 | 38299 | 38173 | 39498 | 49398 | 95155 |
| 512 | | | 39197 | 40820 | 63913 | 97718 |
| 2048 | | | | 80078 | 97612 | 98471 |
| 8192 | | | | | | 101988 |
randomread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 77556 | 31418 | 30811 | 32608 | 75445 | 75360 |
| 64 | 39556 | 38124 | 37871 | 39733 | 94253 | 94419 |
| 512 | | | 38745 | 60457 | 69578 | 97825 |
| 2048 | | | | 80175 | 97897 | 97153 |
| 8192 | | | | | | 102260 |
randomwrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 5322 | 3202 | 3161 | 3985 | 3580 | 3297 |
| 64 | 6742 | 6797 | 6670 | 13411 | 10402 | 8089 |
| 512 | | | 16920 | 17045 | 13523 | 10974 |
| 2048 | | | | 16399 | 15164 | 13968 |
| 8192 | | | | | | 13463 |
bkwdread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 72234 | 34660 | 32992 | 32279 | 33403 | 33399 |
| 64 | 37448 | 37112 | 37406 | 100460 | 38249 | 42737 |
| 512 | | | 98103 | 92686 | 63942 | 57089 |
| 2048 | | | | 97966 | 63974 | 64854 |
| 8192 | | | | | | 67411 |
recrewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 5682 | 3487 | 3471 | 3487 | 3785 | 3398 |
| 64 | 6808 | 6770 | 6733 | 9669 | 9548 | 8774 |
| 512 | | | 17067 | 14101 | 11656 | 12801 |
| 2048 | | | | 14122 | 15552 | 14534 |
| 8192 | | | | | | 11022 |
strideread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 189818 | 34102 | 32704 | 32388 | 32497 | 41521 |
| 64 | 32751 | 40518 | 40040 | 40040 | 37989 | 38595 |
| 512 | | | 98975 | 83673 | 38579 | 65328 |
| 2048 | | | | 79987 | 79795 | 63852 |
| 8192 | | | | | | 85163 |
fwrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2611 | 1984 | 1952 | 1936 | 2056 | 1878 |
| 64 | 6259 | 7351 | 5774 | 5811 | 5716 | 6437 |
| 512 | | | 21703 | 14794 | 14098 | 7978 |
| 2048 | | | | 13808 | 22006 | 15330 |
| 8192 | | | | | | 11406 |
frewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3271 | 3160 | 3122 | 3100 | 3102 | 3075 |
| 64 | 6721 | 8081 | 6548 | 6413 | 6206 | 6212 |
| 512 | | | 23447 | 13419 | 11701 | 6833 |
| 2048 | | | | 12290 | 23476 | 13286 |
| 8192 | | | | | | 11797 |
fread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 32755 | 33552 | 33892 | 34030 | 33529 | 33558 |
| 64 | 38812 | 38301 | 39152 | 39850 | 38446 | 42771 |
| 512 | | | 84516 | 64279 | 67142 | 55564 |
| 2048 | | | | 66640 | 81937 | 65599 |
| 8192 | | | | | | 92404 |
freread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 38118 | 34239 | 33352 | 33654 | 33655 | 75382 |
| 64 | 40298 | 38659 | 38523 | 39921 | 39487 | 98944 |
| 512 | | | 84733 | 64156 | 66873 | 101143 |
| 2048 | | | | 66974 | 81541 | 99641 |
| 8192 | | | | | | 102143 |
write_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3449 | 2022 | 2003 | 2103 | 2044 | 2061 |
| 64 | 14662 | 6213 | 6214 | 6147 | 6153 | 6008 |
| 512 | | | 6980 | 6818 | 13994 | 7123 |
| 2048 | | | | 11364 | 6949 | 12520 |
| 8192 | | | | | | 15254 |
rewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 6078 | 3284 | 3261 | 3255 | 3251 | 3185 |
| 64 | 16128 | 6825 | 6789 | 6768 | 6587 | 6719 |
| 512 | | | 6815 | 7178 | 7168 | 7091 |
| 2048 | | | | 11409 | 7101 | 11421 |
| 8192 | | | | | | 13037 |
read_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 104727 | 37442 | 35134 | 34030 | 34195 | 42785 |
| 64 | 99672 | 40718 | 39708 | 41170 | 39568 | 41650 |
| 512 | | | 40573 | 41297 | 39756 | 43205 |
| 2048 | | | | 65154 | 39767 | 64126 |
| 8192 | | | | | | 97718 |
reread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 110368 | 37285 | 34450 | 33893 | 34030 | 83806 |
| 64 | 104768 | 40913 | 39336 | 41094 | 58507 | 97188 |
| 512 | | | 38657 | 41837 | 46506 | 102651 |
| 2048 | | | | 65406 | 97826 | 97754 |
| 8192 | | | | | | 98004 |
randomread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 95217 | 32016 | 31595 | 30840 | 58027 | 75893 |
| 64 | 99672 | 38123 | 39199 | 83259 | 97398 | 98254 |
| 512 | | | 98680 | 42527 | 98980 | 102066 |
| 2048 | | | | 65406 | 98760 | 97612 |
| 8192 | | | | | | 96247 |
randomwrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 6131 | 3193 | 3189 | 3997 | 3437 | 3377 |
| 64 | 16775 | 6775 | 6708 | 15910 | 10422 | 7796 |
| 512 | | | 17171 | 17049 | 17073 | 13171 |
| 2048 | | | | 17124 | 15119 | 13688 |
| 8192 | | | | | | 14900 |
bkwdread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 91051 | 35540 | 34662 | 33859 | 33996 | 44027 |
| 64 | 95217 | 37954 | 39381 | 48699 | 39545 | 43464 |
| 512 | | | 102614 | 103080 | 73948 | 51552 |
| 2048 | | | | 98399 | 64187 | 64065 |
| 8192 | | | | | | 72608 |
recrewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 5714 | 3430 | 3458 | 3499 | 3750 | 3350 |
| 64 | 15764 | 6858 | 6504 | 12098 | 9656 | 8947 |
| 512 | | | 17102 | 11403 | 14713 | 11849 |
| 2048 | | | | 17097 | 14466 | 13146 |
| 8192 | | | | | | 13679 |
strideread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 232780 | 34948 | 33553 | 32576 | 32823 | 34449 |
| 64 | 104932 | 39944 | 42580 | 104526 | 39603 | 39797 |
| 512 | | | 103560 | 69397 | 64589 | 55221 |
| 2048 | | | | 100009 | 64965 | 69416 |
| 8192 | | | | | | 64326 |
fwrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3738 | 1979 | 1946 | 1937 | 1940 | 1860 |
| 64 | 14168 | 7139 | 6100 | 6601 | 5715 | 6733 |
| 512 | | | 26378 | 12922 | 11358 | 12101 |
| 2048 | | | | 15559 | 17788 | 17588 |
| 8192 | | | | | | 10014 |
frewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 6335 | 3148 | 3115 | 3107 | 3107 | 3077 |
| 64 | 16007 | 8256 | 6629 | 6463 | 6356 | 6252 |
| 512 | | | 28556 | 13424 | 11747 | 8147 |
| 2048 | | | | 12942 | 18850 | 13214 |
| 8192 | | | | | | 11416 |
fread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 87433 | 36467 | 35134 | 34134 | 34065 | 33723 |
| 64 | 104727 | 39191 | 39197 | 41247 | 39826 | 57296 |
| 512 | | | 87372 | 65470 | 68477 | 45949 |
| 2048 | | | | 67989 | 65439 | 65937 |
| 8192 | | | | | | 101448 |
freread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 99858 | 36471 | 34556 | 34186 | 66182 | 82140 |
| 64 | 104727 | 39197 | 39106 | 41398 | 39721 | 101988 |
| 512 | | | 83879 | 65216 | 74688 | 103322 |
| 2048 | | | | 67852 | 65567 | 89210 |
| 8192 | | | | | | 101795 |