Tests by date
UBIFS, 2008-11-30
write_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 1922 | 2025 | 2033 | 2091 | 2081 | 2056 |
| 64 | 6185 | 6030 | 6128 | 6086 | 6131 | 6007 |
| 512 | | | 6892 | 6913 | 14339 | 7700 |
| 2048 | | | | 16565 | 15745 | 12148 |
| 8192 | | | | | | 13892 |
rewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3271 | 3250 | 3248 | 3238 | 3228 | 3159 |
| 64 | 6853 | 6716 | 6755 | 6733 | 6714 | 6567 |
| 512 | | | 7140 | 7094 | 9811 | 8781 |
| 2048 | | | | 16836 | 13063 | 11370 |
| 8192 | | | | | | 11011 |
read_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 38835 | 35540 | 33487 | 33554 | 33613 | 33424 |
| 64 | 39550 | 39938 | 40426 | 38130 | 40124 | 46970 |
| 512 | | | 40376 | 38746 | 40088 | 68548 |
| 2048 | | | | 101219 | 66116 | 66214 |
| 8192 | | | | | | 97258 |
reread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 43653 | 36158 | 34134 | 33858 | 63519 | 68373 |
| 64 | 41106 | 40326 | 39897 | 38501 | 42744 | 99237 |
| 512 | | | 39992 | 38813 | 68268 | 99678 |
| 2048 | | | | 82951 | 73263 | 86928 |
| 8192 | | | | | | 97329 |
randomread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 38812 | 29959 | 30558 | 31111 | 74690 | 74730 |
| 64 | 38835 | 37279 | 39943 | 38260 | 98471 | 98291 |
| 512 | | | 39850 | 59865 | 100237 | 99382 |
| 2048 | | | | 82747 | 100837 | 100499 |
| 8192 | | | | | | 97541 |
randomwrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3221 | 3159 | 3171 | 3980 | 3684 | 3274 |
| 64 | 6721 | 6726 | 6698 | 6708 | 10891 | 7642 |
| 512 | | | 8494 | 15921 | 16666 | 9673 |
| 2048 | | | | 16073 | 16654 | 14315 |
| 8192 | | | | | | 13295 |
bkwdread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 36161 | 34376 | 33454 | 33337 | 33131 | 33013 |
| 64 | 36781 | 37279 | 39708 | 38790 | 39910 | 48611 |
| 512 | | | 98111 | 78951 | 66051 | 41367 |
| 2048 | | | | 99858 | 66116 | 66214 |
| 8192 | | | | | | 97293 |
recrewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3153 | 3375 | 3405 | 3516 | 3777 | 3358 |
| 64 | 6898 | 6797 | 6732 | 6760 | 10348 | 8708 |
| 512 | | | 16432 | 13943 | 14438 | 9719 |
| 2048 | | | | 14074 | 15400 | 13563 |
| 8192 | | | | | | 12835 |
strideread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 104727 | 33956 | 32387 | 32372 | 32048 | 32197 |
| 64 | 32255 | 40718 | 41994 | 38369 | 40040 | 40913 |
| 512 | | | 101981 | 78763 | 66575 | 47986 |
| 2048 | | | | 82951 | 66509 | 65503 |
| 8192 | | | | | | 97612 |
fwrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2058 | 1989 | 1946 | 1949 | 2056 | 1872 |
| 64 | 6278 | 7019 | 6064 | 5861 | 5733 | 6513 |
| 512 | | | 22429 | 14205 | 9823 | 11496 |
| 2048 | | | | 13768 | 23395 | 15618 |
| 8192 | | | | | | 14134 |
frewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3286 | 3095 | 3056 | 3064 | 3057 | 3027 |
| 64 | 6742 | 7696 | 6306 | 6356 | 6290 | 6202 |
| 512 | | | 23366 | 13386 | 7118 | 10887 |
| 2048 | | | | 14033 | 19350 | 13295 |
| 8192 | | | | | | 10442 |
fread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 35534 | 34377 | 33859 | 33520 | 33346 | 33234 |
| 64 | 38835 | 39561 | 40870 | 38948 | 40402 | 41457 |
| 512 | | | 66180 | 65856 | 63519 | 67175 |
| 2048 | | | | 82139 | 62776 | 65344 |
| 8192 | | | | | | 102027 |
freread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 41106 | 35242 | 33254 | 33287 | 32936 | 82140 |
| 64 | 40328 | 39567 | 40087 | 38656 | 79652 | 99383 |
| 512 | | | 66442 | 65408 | 96281 | 96109 |
| 2048 | | | | 82544 | 63131 | 74918 |
| 8192 | | | | | | 102105 |
write_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 1889 | 1929 | 1926 | 2014 | 1951 | 1950 |
| 64 | 5923 | 6177 | 6081 | 6129 | 6067 | 5971 |
| 512 | | | 6767 | 16178 | 6924 | 9405 |
| 2048 | | | | 11214 | 12847 | 11903 |
| 8192 | | | | | | 13166 |
rewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3167 | 3113 | 3120 | 3128 | 3105 | 3043 |
| 64 | 6830 | 6775 | 6685 | 6681 | 6659 | 6650 |
| 512 | | | 7043 | 11326 | 7098 | 7056 |
| 2048 | | | | 11271 | 11284 | 11258 |
| 8192 | | | | | | 12409 |
read_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 43653 | 37786 | 37784 | 37407 | 37066 | 48358 |
| 64 | 39556 | 38472 | 40040 | 38724 | 38151 | 39360 |
| 512 | | | 40426 | 66377 | 42232 | 49969 |
| 2048 | | | | 66773 | 63130 | 66133 |
| 8192 | | | | | | 97293 |
reread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 38835 | 39561 | 37158 | 36452 | 36903 | 91678 |
| 64 | 40328 | 39378 | 39475 | 39382 | 57431 | 96007 |
| 512 | | | 40474 | 66906 | 96628 | 99789 |
| 2048 | | | | 89474 | 82901 | 97826 |
| 8192 | | | | | | 97329 |
randomread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 38835 | 34660 | 33354 | 33009 | 54670 | 80878 |
| 64 | 38835 | 38652 | 39428 | 57405 | 93271 | 96662 |
| 512 | | | 39197 | 67377 | 96143 | 99975 |
| 2048 | | | | 101986 | 96696 | 100537 |
| 8192 | | | | | | 97258 |
randomwrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2904 | 3061 | 3053 | 3059 | 3256 | 3159 |
| 64 | 5991 | 6786 | 6690 | 15577 | 10077 | 7837 |
| 512 | | | 16861 | 16664 | 15534 | 12800 |
| 2048 | | | | 16706 | 15751 | 13703 |
| 8192 | | | | | | 11312 |
bkwdread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 39556 | 37111 | 36471 | 36630 | 36041 | 45659 |
| 64 | 36786 | 38123 | 40040 | 72313 | 38108 | 41354 |
| 512 | | | 100157 | 102297 | 63640 | 65841 |
| 2048 | | | | 100609 | 63220 | 65744 |
| 8192 | | | | | | 96523 |
recrewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3187 | 3315 | 3328 | 3260 | 3193 | 3135 |
| 64 | 6615 | 6764 | 6758 | 6633 | 9150 | 8678 |
| 512 | | | 16312 | 13943 | 13502 | 9556 |
| 2048 | | | | 16848 | 14076 | 13043 |
| 8192 | | | | | | 14315 |
strideread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 95387 | 36786 | 34064 | 35301 | 35098 | 35264 |
| 64 | 38812 | 42155 | 38480 | 39452 | 37903 | 39216 |
| 512 | | | 66706 | 83157 | 64870 | 40070 |
| 2048 | | | | 101829 | 62953 | 65503 |
| 8192 | | | | | | 65970 |
fwrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2002 | 1891 | 1858 | 1860 | 1848 | 1869 |
| 64 | 6061 | 7313 | 5947 | 5788 | 5718 | 6391 |
| 512 | | | 17485 | 15527 | 11166 | 7780 |
| 2048 | | | | 16615 | 17526 | 15538 |
| 8192 | | | | | | 10909 |
frewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3261 | 3005 | 2969 | 2959 | 2944 | 2652 |
| 64 | 6852 | 8058 | 6561 | 6326 | 6248 | 6185 |
| 512 | | | 18745 | 14707 | 11457 | 6774 |
| 2048 | | | | 14481 | 18623 | 13195 |
| 8192 | | | | | | 10819 |
fread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 37448 | 37954 | 36993 | 36650 | 36501 | 43261 |
| 64 | 40322 | 38478 | 39568 | 39779 | 38162 | 43861 |
| 512 | | | 64777 | 63852 | 66509 | 38988 |
| 2048 | | | | 79417 | 64403 | 65328 |
| 8192 | | | | | | 95698 |
freread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 42777 | 38299 | 36353 | 36551 | 53008 | 90351 |
| 64 | 40328 | 38479 | 39015 | 40040 | 45902 | 94752 |
| 512 | | | 64035 | 62893 | 66051 | 96662 |
| 2048 | | | | 79604 | 64526 | 94154 |
| 8192 | | | | | | 102027 |
write_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 1882 | 1930 | 1914 | 1910 | 1914 | 1896 |
| 64 | 6185 | 6181 | 6156 | 6102 | 6015 | 6114 |
| 512 | | | 6964 | 6874 | 9655 | 9153 |
| 2048 | | | | 11140 | 14763 | 11764 |
| 8192 | | | | | | 10985 |
rewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3061 | 3137 | 3112 | 3103 | 3098 | 3001 |
| 64 | 6808 | 6808 | 6718 | 6689 | 6702 | 6708 |
| 512 | | | 7136 | 10061 | 7062 | 7051 |
| 2048 | | | | 11246 | 13088 | 11407 |
| 8192 | | | | | | 11195 |
read_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 40304 | 37443 | 36912 | 37117 | 37199 | 44620 |
| 64 | 40304 | 39019 | 39474 | 38857 | 40524 | 49091 |
| 512 | | | 39290 | 96142 | 40280 | 62806 |
| 2048 | | | | 67040 | 65889 | 67024 |
| 8192 | | | | | | 97363 |
reread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 42777 | 37448 | 36392 | 36892 | 39522 | 90932 |
| 64 | 41106 | 39567 | 38656 | 38701 | 61201 | 96525 |
| 512 | | | 39336 | 97116 | 53029 | 100049 |
| 2048 | | | | 67107 | 66116 | 101602 |
| 8192 | | | | | | 96558 |
randomread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 38118 | 34660 | 32388 | 47627 | 81342 | 81000 |
| 64 | 39556 | 39197 | 38971 | 38216 | 99863 | 95324 |
| 512 | | | 38701 | 96141 | 100611 | 100612 |
| 2048 | | | | 101371 | 100461 | 101563 |
| 8192 | | | | | | 97400 |
randomwrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3061 | 3070 | 2998 | 3577 | 3335 | 3125 |
| 64 | 6764 | 6808 | 6727 | 12340 | 10277 | 8292 |
| 512 | | | 7136 | 16794 | 16639 | 9970 |
| 2048 | | | | 16598 | 16758 | 13857 |
| 8192 | | | | | | 12639 |
bkwdread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 38835 | 37278 | 36591 | 36254 | 36050 | 48691 |
| 64 | 37448 | 38129 | 39614 | 95322 | 40233 | 38836 |
| 512 | | | 38924 | 72082 | 66476 | 41982 |
| 2048 | | | | 83571 | 66345 | 67462 |
| 8192 | | | | | | 97612 |
recrewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3021 | 3310 | 3245 | 3334 | 3162 | 3158 |
| 64 | 6852 | 6563 | 6694 | 9571 | 9709 | 8485 |
| 512 | | | 7080 | 11256 | 14488 | 13344 |
| 2048 | | | | 15548 | 15248 | 13067 |
| 8192 | | | | | | 14360 |
strideread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 91051 | 36630 | 34806 | 34934 | 35172 | 35107 |
| 64 | 38835 | 41316 | 41474 | 38479 | 40257 | 40372 |
| 512 | | | 38834 | 63370 | 67378 | 66197 |
| 2048 | | | | 101220 | 66180 | 66791 |
| 8192 | | | | | | 70050 |
fwrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 1980 | 1895 | 1856 | 1848 | 1840 | 1737 |
| 64 | 6060 | 7114 | 6040 | 5799 | 5710 | 6447 |
| 512 | | | 10876 | 12719 | 11165 | 11685 |
| 2048 | | | | 16574 | 22641 | 15688 |
| 8192 | | | | | | 12139 |
frewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3139 | 3013 | 2969 | 2924 | 2931 | 2925 |
| 64 | 6853 | 8144 | 6514 | 6379 | 6253 | 6242 |
| 512 | | | 11765 | 13241 | 11526 | 10921 |
| 2048 | | | | 14607 | 23136 | 13339 |
| 8192 | | | | | | 11515 |
fread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 35534 | 37612 | 36431 | 36372 | 36631 | 36492 |
| 64 | 33283 | 38301 | 39015 | 38948 | 40573 | 42494 |
| 512 | | | 40136 | 67108 | 63731 | 73262 |
| 2048 | | | | 80370 | 65091 | 65776 |
| 8192 | | | | | | 61737 |
freread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 40304 | 37786 | 35848 | 36254 | 62923 | 65696 |
| 64 | 40304 | 38652 | 38612 | 38701 | 40622 | 99901 |
| 512 | | | 40232 | 66640 | 63610 | 97293 |
| 2048 | | | | 64463 | 79183 | 88768 |
| 8192 | | | | | | 101525 |