Tests by date
UBIFS, 2008-11-21
write_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 1831 | 1882 | 1875 | 1945 | 1879 | 2045 |
| 64 | 5974 | 6083 | 6088 | 6089 | 6110 | 6096 |
| 512 | | | 6954 | 15265 | 6920 | 7625 |
| 2048 | | | | 11171 | 13770 | 11985 |
| 8192 | | | | | | 10851 |
rewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2941 | 3082 | 3073 | 3062 | 3092 | 3192 |
| 64 | 6574 | 6743 | 6689 | 6637 | 6696 | 6654 |
| 512 | | | 7121 | 7053 | 6887 | 7034 |
| 2048 | | | | 11301 | 11131 | 11359 |
| 8192 | | | | | | 12747 |
read_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 36781 | 36312 | 33824 | 33841 | 33807 | 34485 |
| 64 | 38118 | 39751 | 38303 | 38634 | 38238 | 42819 |
| 512 | | | 38970 | 38768 | 38579 | 45784 |
| 2048 | | | | 66642 | 64066 | 63928 |
| 8192 | | | | | | 85055 |
reread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 40304 | 36791 | 33286 | 33739 | 58177 | 83313 |
| 64 | 38835 | 39751 | 37532 | 43803 | 47309 | 95223 |
| 512 | | | 38970 | 39129 | 70602 | 96385 |
| 2048 | | | | 66642 | 96766 | 87438 |
| 8192 | | | | | | 102416 |
randomread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 37448 | 30839 | 30365 | 46569 | 75233 | 75107 |
| 64 | 37448 | 37117 | 37785 | 95327 | 93727 | 94920 |
| 512 | | | 38836 | 95598 | 95665 | 95766 |
| 2048 | | | | 100455 | 97398 | 96907 |
| 8192 | | | | | | 102416 |
randomwrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3034 | 3025 | 3014 | 3487 | 3590 | 3349 |
| 64 | 6657 | 6694 | 6656 | 14856 | 10383 | 7736 |
| 512 | | | 6975 | 16777 | 16533 | 10834 |
| 2048 | | | | 16533 | 15493 | 14198 |
| 8192 | | | | | | 14695 |
bkwdread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 35534 | 34381 | 33354 | 33189 | 32672 | 42887 |
| 64 | 35539 | 36786 | 38129 | 38369 | 38130 | 45855 |
| 512 | | | 39061 | 61906 | 63131 | 52469 |
| 2048 | | | | 100615 | 63851 | 63943 |
| 8192 | | | | | | 67513 |
recrewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3206 | 3204 | 3206 | 3268 | 3668 | 3339 |
| 64 | 6721 | 6710 | 6567 | 12910 | 9533 | 8750 |
| 512 | | | 16031 | 11309 | 14229 | 9080 |
| 2048 | | | | 16672 | 14996 | 15080 |
| 8192 | | | | | | 11043 |
strideread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 104768 | 33960 | 32513 | 32217 | 32279 | 34929 |
| 64 | 36781 | 41525 | 40185 | 94382 | 37903 | 39697 |
| 512 | | | 97823 | 64278 | 63071 | 39388 |
| 2048 | | | | 100460 | 79512 | 64870 |
| 8192 | | | | | | 93302 |
fwrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 1958 | 1839 | 1795 | 1803 | 1935 | 1850 |
| 64 | 6025 | 7250 | 5980 | 5980 | 5749 | 6424 |
| 512 | | | 25850 | 12664 | 9336 | 11624 |
| 2048 | | | | 16492 | 20680 | 16223 |
| 8192 | | | | | | 11430 |
frewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2928 | 2985 | 2923 | 2907 | 3067 | 3044 |
| 64 | 6721 | 8019 | 6548 | 6281 | 6201 | 6158 |
| 512 | | | 21102 | 13223 | 7125 | 10902 |
| 2048 | | | | 12819 | 18803 | 13358 |
| 8192 | | | | | | 12283 |
fread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 32255 | 35241 | 33688 | 33553 | 33337 | 38512 |
| 64 | 38807 | 39197 | 38835 | 38501 | 38195 | 45412 |
| 512 | | | 66706 | 66575 | 40487 | 63520 |
| 2048 | | | | 62833 | 64933 | 64854 |
| 8192 | | | | | | 60513 |
freread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 38118 | 31535 | 33188 | 33554 | 32953 | 82875 |
| 64 | 39556 | 39567 | 38216 | 45221 | 39073 | 98544 |
| 512 | | | 63307 | 65470 | 61454 | 93792 |
| 2048 | | | | 62658 | 87607 | 97825 |
| 8192 | | | | | | 97188 |
write_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2557 | 1900 | 1897 | 1929 | 1895 | 1910 |
| 64 | 5940 | 6114 | 6068 | 6073 | 6055 | 5969 |
| 512 | | | 6945 | 6875 | 12488 | 8925 |
| 2048 | | | | 16077 | 14091 | 7149 |
| 8192 | | | | | | 12929 |
rewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 4288 | 3110 | 3094 | 3092 | 3098 | 2998 |
| 64 | 6764 | 6764 | 6649 | 6672 | 6668 | 6624 |
| 512 | | | 6890 | 7087 | 11164 | 7095 |
| 2048 | | | | 14202 | 11234 | 12497 |
| 8192 | | | | | | 11250 |
read_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 61650 | 35999 | 34168 | 33671 | 33773 | 42120 |
| 64 | 38835 | 39751 | 39708 | 37743 | 40017 | 38287 |
| 512 | | | 40819 | 38835 | 66608 | 40715 |
| 2048 | | | | 84200 | 66181 | 66575 |
| 8192 | | | | | | 97541 |
reread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 65501 | 35843 | 33420 | 33504 | 41682 | 82875 |
| 64 | 32771 | 39944 | 38971 | 37914 | 60869 | 91210 |
| 512 | | | 40968 | 39130 | 66641 | 100876 |
| 2048 | | | | 84307 | 100537 | 101029 |
| 8192 | | | | | | 97506 |
randomread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 58239 | 31415 | 29852 | 29985 | 73988 | 73483 |
| 64 | 37427 | 34233 | 39106 | 37659 | 96697 | 93433 |
| 512 | | | 101677 | 95598 | 85706 | 100802 |
| 2048 | | | | 84200 | 99640 | 100762 |
| 8192 | | | | | | 97470 |
randomwrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 4169 | 3042 | 3002 | 3616 | 3292 | 3128 |
| 64 | 6614 | 6770 | 11297 | 14703 | 9970 | 7857 |
| 512 | | | 16610 | 16756 | 15104 | 9569 |
| 2048 | | | | 16672 | 15723 | 16605 |
| 8192 | | | | | | 15556 |
bkwdread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 56641 | 33551 | 32831 | 32672 | 32680 | 32435 |
| 64 | 36137 | 37112 | 99563 | 92177 | 39662 | 41259 |
| 512 | | | 103875 | 88650 | 41032 | 40727 |
| 2048 | | | | 102610 | 82038 | 83054 |
| 8192 | | | | | | 67159 |
recrewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 4095 | 3217 | 3303 | 3231 | 3431 | 3179 |
| 64 | 6721 | 6533 | 15621 | 6631 | 9160 | 8709 |
| 512 | | | 16802 | 13811 | 15318 | 12539 |
| 2048 | | | | 16693 | 15176 | 13435 |
| 8192 | | | | | | 15516 |
strideread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 139797 | 31535 | 31417 | 31835 | 31707 | 44186 |
| 64 | 37448 | 39378 | 105185 | 37427 | 39463 | 38892 |
| 512 | | | 101677 | 78578 | 69434 | 42180 |
| 2048 | | | | 102610 | 65856 | 66394 |
| 8192 | | | | | | 80081 |
fwrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2464 | 1842 | 1836 | 1835 | 1825 | 1726 |
| 64 | 6204 | 7262 | 6166 | 5775 | 5714 | 6356 |
| 512 | | | 25950 | 14010 | 11203 | 9319 |
| 2048 | | | | 16602 | 25521 | 15447 |
| 8192 | | | | | | 15287 |
frewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3125 | 2999 | 2960 | 2943 | 2934 | 2997 |
| 64 | 6512 | 8144 | 6520 | 6367 | 6195 | 6187 |
| 512 | | | 27892 | 13294 | 11587 | 6810 |
| 2048 | | | | 16166 | 18729 | 13284 |
| 8192 | | | | | | 16178 |
fread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 33283 | 35096 | 33091 | 33404 | 33222 | 33441 |
| 64 | 36781 | 38129 | 37871 | 38303 | 39779 | 45980 |
| 512 | | | 64156 | 66575 | 63700 | 66824 |
| 2048 | | | | 80366 | 65216 | 65938 |
| 8192 | | | | | | 102416 |
freread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 38118 | 35393 | 33321 | 33437 | 55370 | 74606 |
| 64 | 38118 | 37614 | 39289 | 38043 | 44798 | 98111 |
| 512 | | | 63547 | 66182 | 63640 | 100499 |
| 2048 | | | | 80658 | 65376 | 99789 |
| 8192 | | | | | | 102573 |
write_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2818 | 1911 | 1910 | 1915 | 1950 | 1920 |
| 64 | 6131 | 6204 | 6097 | 6118 | 6092 | 6063 |
| 512 | | | 6916 | 16272 | 6916 | 8541 |
| 2048 | | | | 11192 | 11174 | 11994 |
| 8192 | | | | | | 11072 |
rewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 5077 | 3133 | 3111 | 3132 | 3122 | 3052 |
| 64 | 6786 | 6721 | 6743 | 6688 | 6697 | 6689 |
| 512 | | | 7130 | 7114 | 7096 | 6971 |
| 2048 | | | | 11309 | 11314 | 11283 |
| 8192 | | | | | | 13673 |
read_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 80607 | 38123 | 37158 | 36651 | 37117 | 42200 |
| 64 | 39556 | 40711 | 39521 | 40111 | 38982 | 40384 |
| 512 | | | 38434 | 41019 | 38656 | 78974 |
| 2048 | | | | 63368 | 63913 | 66658 |
| 8192 | | | | | | 75254 |
reread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 91175 | 38654 | 36792 | 36771 | 50839 | 90933 |
| 64 | 40298 | 39013 | 38790 | 40280 | 53430 | 78650 |
| 512 | | | 38835 | 41221 | 48877 | 100915 |
| 2048 | | | | 63370 | 81097 | 86564 |
| 8192 | | | | | | 102378 |
randomread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 74852 | 33156 | 32451 | 35867 | 80949 | 80804 |
| 64 | 38807 | 38834 | 39197 | 40208 | 95256 | 99531 |
| 512 | | | 37955 | 53857 | 97116 | 101296 |
| 2048 | | | | 65856 | 97897 | 101334 |
| 8192 | | | | | | 102299 |
randomwrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 4387 | 2777 | 3046 | 3650 | 3338 | 3178 |
| 64 | 5825 | 6786 | 6740 | 12838 | 10434 | 8092 |
| 512 | | | 7055 | 16739 | 14522 | 13227 |
| 2048 | | | | 16693 | 15885 | 13260 |
| 8192 | | | | | | 13390 |
bkwdread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 77578 | 36312 | 36157 | 35829 | 36079 | 41310 |
| 64 | 36781 | 37953 | 39616 | 99562 | 38880 | 39803 |
| 512 | | | 38790 | 87379 | 63519 | 66625 |
| 2048 | | | | 96558 | 64003 | 66675 |
| 8192 | | | | | | 67209 |
recrewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 4865 | 3236 | 3265 | 3280 | 3216 | 3161 |
| 64 | 6831 | 6732 | 6756 | 9556 | 9428 | 8153 |
| 512 | | | 6852 | 11362 | 14068 | 9468 |
| 2048 | | | | 16798 | 16825 | 13900 |
| 8192 | | | | | | 13066 |
strideread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 189952 | 35393 | 34952 | 35264 | 35357 | 35255 |
| 64 | 38118 | 41729 | 41019 | 40622 | 38140 | 44092 |
| 512 | | | 38612 | 67175 | 64683 | 41253 |
| 2048 | | | | 97117 | 80610 | 66559 |
| 8192 | | | | | | 90840 |
fwrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2674 | 1872 | 1831 | 1846 | 1838 | 1858 |
| 64 | 6259 | 7013 | 5925 | 5805 | 5733 | 6377 |
| 512 | | | 10961 | 12746 | 11255 | 7802 |
| 2048 | | | | 16656 | 21686 | 15498 |
| 8192 | | | | | | 11464 |
frewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3206 | 3006 | 2961 | 2967 | 2969 | 2656 |
| 64 | 6594 | 8042 | 6594 | 6360 | 6299 | 6211 |
| 512 | | | 11814 | 13223 | 11528 | 6739 |
| 2048 | | | | 15013 | 19573 | 13212 |
| 8192 | | | | | | 13989 |
fread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 35534 | 35690 | 36393 | 36671 | 36521 | 44843 |
| 64 | 41909 | 39942 | 39106 | 40573 | 39039 | 45405 |
| 512 | | | 39521 | 64402 | 66674 | 41120 |
| 2048 | | | | 66573 | 65889 | 66774 |
| 8192 | | | | | | 72647 |
freread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 39556 | 35387 | 36274 | 36333 | 51424 | 89868 |
| 64 | 42811 | 40132 | 38790 | 40795 | 38679 | 96733 |
| 512 | | | 39756 | 64156 | 66214 | 102182 |
| 2048 | | | | 66642 | 84624 | 74338 |
| 8192 | | | | | | 102105 |