Tests by date
UBIFS, 2008-11-28
write_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2671 | 2010 | 2016 | 2090 | 1942 | 1923 |
| 64 | 6167 | 6227 | 6120 | 6126 | 6082 | 6082 |
| 512 | | | 6927 | 6948 | 6928 | 7713 |
| 2048 | | | | 7682 | 14055 | 7267 |
| 8192 | | | | | | 12619 |
rewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 4609 | 3269 | 3239 | 3242 | 3118 | 3074 |
| 64 | 6786 | 6759 | 6740 | 6722 | 6603 | 6655 |
| 512 | | | 6987 | 6892 | 7060 | 7066 |
| 2048 | | | | 7023 | 11311 | 7079 |
| 8192 | | | | | | 11357 |
read_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 61664 | 34948 | 34591 | 34030 | 34143 | 38211 |
| 64 | 39579 | 41117 | 38836 | 40329 | 40281 | 43776 |
| 512 | | | 39199 | 40353 | 39016 | 41553 |
| 2048 | | | | 39359 | 64341 | 48647 |
| 8192 | | | | | | 98039 |
reread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 69883 | 35541 | 34203 | 34048 | 45949 | 83755 |
| 64 | 40328 | 39561 | 38478 | 40136 | 52634 | 95493 |
| 512 | | | 39151 | 40646 | 59998 | 96454 |
| 2048 | | | | 54425 | 93398 | 101641 |
| 8192 | | | | | | 98400 |
randomread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 55129 | 32261 | 30784 | 30712 | 75530 | 75170 |
| 64 | 38812 | 39197 | 38303 | 40016 | 99051 | 94519 |
| 512 | | | 38745 | 73663 | 96487 | 96316 |
| 2048 | | | | 97399 | 97681 | 101679 |
| 8192 | | | | | | 98076 |
randomwrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 4405 | 3184 | 3165 | 3163 | 3388 | 3176 |
| 64 | 6764 | 6803 | 6694 | 6708 | 10306 | 7637 |
| 512 | | | 9808 | 16959 | 16739 | 12283 |
| 2048 | | | | 16764 | 15738 | 13458 |
| 8192 | | | | | | 12817 |
bkwdread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 53738 | 35387 | 33286 | 33420 | 33123 | 41890 |
| 64 | 36786 | 38478 | 38612 | 39992 | 40136 | 48262 |
| 512 | | | 99854 | 96006 | 63700 | 63715 |
| 2048 | | | | 98253 | 64249 | 67142 |
| 8192 | | | | | | 95256 |
recrewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 4744 | 3506 | 3427 | 3436 | 3599 | 3168 |
| 64 | 6875 | 6808 | 6728 | 6334 | 9633 | 8623 |
| 512 | | | 17041 | 14119 | 14043 | 13091 |
| 2048 | | | | 16823 | 14806 | 14783 |
| 8192 | | | | | | 11275 |
strideread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 149531 | 34660 | 32896 | 31669 | 32664 | 32537 |
| 64 | 38807 | 40132 | 40183 | 40159 | 39580 | 42233 |
| 512 | | | 98680 | 85486 | 64996 | 64372 |
| 2048 | | | | 98253 | 80177 | 66724 |
| 8192 | | | | | | 98363 |
fwrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2605 | 1962 | 1919 | 1927 | 1916 | 1761 |
| 64 | 6222 | 7060 | 6032 | 5818 | 5711 | 6394 |
| 512 | | | 26111 | 15367 | 11195 | 10662 |
| 2048 | | | | 14254 | 21033 | 15623 |
| 8192 | | | | | | 12600 |
frewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3530 | 3145 | 3078 | 3050 | 2958 | 2934 |
| 64 | 6594 | 8120 | 6308 | 6407 | 6254 | 6232 |
| 512 | | | 28149 | 16252 | 11589 | 6792 |
| 2048 | | | | 11626 | 18813 | 13297 |
| 8192 | | | | | | 14204 |
fread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 31763 | 35392 | 33996 | 32993 | 33613 | 38579 |
| 64 | 38835 | 33023 | 38612 | 40016 | 38162 | 45047 |
| 512 | | | 82441 | 80272 | 66575 | 42942 |
| 2048 | | | | 66640 | 64838 | 66444 |
| 8192 | | | | | | 65328 |
freread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 36781 | 35694 | 33519 | 32944 | 39498 | 82978 |
| 64 | 39556 | 38479 | 38790 | 39993 | 38446 | 99053 |
| 512 | | | 64281 | 78948 | 66443 | 100349 |
| 2048 | | | | 67107 | 73102 | 88446 |
| 8192 | | | | | | 97718 |
write_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 1920 | 1900 | 1899 | 1933 | 1906 | 1900 |
| 64 | 6008 | 6132 | 6100 | 6080 | 6062 | 5859 |
| 512 | | | 6983 | 16128 | 13345 | 12177 |
| 2048 | | | | 11167 | 14140 | 12039 |
| 8192 | | | | | | 10340 |
rewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3084 | 3125 | 3110 | 3103 | 3109 | 3009 |
| 64 | 6831 | 6808 | 6628 | 6680 | 6653 | 6637 |
| 512 | | | 7073 | 11311 | 11240 | 11352 |
| 2048 | | | | 11311 | 11278 | 11356 |
| 8192 | | | | | | 10486 |
read_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 37427 | 36630 | 34592 | 34047 | 34091 | 39580 |
| 64 | 41106 | 40921 | 39061 | 39709 | 39709 | 40005 |
| 512 | | | 39244 | 67443 | 67208 | 63534 |
| 2048 | | | | 64339 | 66941 | 66642 |
| 8192 | | | | | | 98040 |
reread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 40328 | 36786 | 34134 | 34099 | 50647 | 83390 |
| 64 | 41106 | 40718 | 38303 | 44827 | 47209 | 97470 |
| 512 | | | 39756 | 67173 | 67040 | 96837 |
| 2048 | | | | 64526 | 101756 | 81319 |
| 8192 | | | | | | 98291 |
randomread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 30389 | 31534 | 30643 | 30545 | 75443 | 74834 |
| 64 | 39550 | 37953 | 37532 | 96836 | 97398 | 96628 |
| 512 | | | 39336 | 66707 | 67242 | 96872 |
| 2048 | | | | 64465 | 100913 | 100800 |
| 8192 | | | | | | 97968 |
randomwrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3144 | 3063 | 3050 | 3034 | 3375 | 3155 |
| 64 | 6678 | 6721 | 6664 | 14801 | 10677 | 7880 |
| 512 | | | 13096 | 16623 | 14270 | 13148 |
| 2048 | | | | 16648 | 15459 | 13600 |
| 8192 | | | | | | 11806 |
bkwdread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 33824 | 35393 | 33254 | 33537 | 33091 | 44332 |
| 64 | 38118 | 37954 | 38745 | 39732 | 39768 | 41425 |
| 512 | | | 100461 | 103240 | 66774 | 63429 |
| 2048 | | | | 97117 | 66874 | 66477 |
| 8192 | | | | | | 69687 |
recrewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3048 | 3315 | 3261 | 3251 | 3572 | 3168 |
| 64 | 6853 | 6533 | 6712 | 12811 | 9920 | 8796 |
| 512 | | | 16963 | 11257 | 11340 | 12477 |
| 2048 | | | | 16735 | 14350 | 13551 |
| 8192 | | | | | | 12614 |
strideread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 104727 | 34801 | 32961 | 32482 | 31948 | 33680 |
| 64 | 39556 | 42146 | 41271 | 99124 | 39615 | 39216 |
| 512 | | | 101365 | 66840 | 66806 | 42758 |
| 2048 | | | | 97397 | 67174 | 66841 |
| 8192 | | | | | | 68442 |
fwrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 1902 | 1872 | 1826 | 1831 | 1822 | 1721 |
| 64 | 6259 | 7339 | 5993 | 5932 | 5710 | 6536 |
| 512 | | | 21619 | 12811 | 11123 | 11568 |
| 2048 | | | | 15764 | 17444 | 15711 |
| 8192 | | | | | | 10894 |
frewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3196 | 3025 | 2960 | 2952 | 2954 | 2962 |
| 64 | 6808 | 8019 | 6519 | 6028 | 6267 | 6226 |
| 512 | | | 23317 | 13325 | 11568 | 10873 |
| 2048 | | | | 13101 | 18732 | 13325 |
| 8192 | | | | | | 12779 |
fread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 32755 | 35843 | 33858 | 33436 | 33579 | 33156 |
| 64 | 39579 | 38301 | 38390 | 39921 | 39732 | 38298 |
| 512 | | | 63307 | 64964 | 63972 | 66658 |
| 2048 | | | | 66840 | 65438 | 72746 |
| 8192 | | | | | | 67547 |
freread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 36781 | 35694 | 33519 | 33058 | 34353 | 76044 |
| 64 | 41100 | 38472 | 37829 | 51940 | 39697 | 93793 |
| 512 | | | 63307 | 64156 | 63942 | 101641 |
| 2048 | | | | 67108 | 65567 | 100574 |
| 8192 | | | | | | 102494 |
write_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3177 | 2007 | 2015 | 2183 | 2094 | 2048 |
| 64 | 14561 | 6123 | 6180 | 6122 | 6053 | 6051 |
| 512 | | | 6922 | 6769 | 10818 | 7764 |
| 2048 | | | | 11316 | 11313 | 12502 |
| 8192 | | | | | | 13025 |
rewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 6168 | 3258 | 3247 | 3237 | 3232 | 3172 |
| 64 | 16007 | 6558 | 6782 | 6734 | 6720 | 6671 |
| 512 | | | 7165 | 6924 | 7123 | 7071 |
| 2048 | | | | 11357 | 11389 | 11417 |
| 8192 | | | | | | 14099 |
read_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 99672 | 36786 | 31925 | 33892 | 33487 | 33888 |
| 64 | 104768 | 40132 | 38129 | 38612 | 40305 | 43046 |
| 512 | | | 39061 | 38925 | 40220 | 41669 |
| 2048 | | | | 66640 | 67243 | 64188 |
| 8192 | | | | | | 100612 |
reread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 104727 | 36471 | 34134 | 33978 | 37680 | 79301 |
| 64 | 104932 | 40518 | 38086 | 38612 | 47143 | 95697 |
| 512 | | | 39428 | 39428 | 95391 | 101795 |
| 2048 | | | | 66840 | 80854 | 97968 |
| 8192 | | | | | | 100688 |
randomread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 95217 | 31534 | 30614 | 30727 | 74729 | 74647 |
| 64 | 59929 | 37954 | 38085 | 38390 | 98399 | 94352 |
| 512 | | | 39106 | 63729 | 101143 | 101602 |
| 2048 | | | | 66773 | 101066 | 97541 |
| 8192 | | | | | | 100650 |
randomwrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 5974 | 3163 | 3147 | 3978 | 3535 | 3360 |
| 64 | 10279 | 6792 | 6685 | 11949 | 10800 | 7728 |
| 512 | | | 7074 | 17019 | 16369 | 10589 |
| 2048 | | | | 16836 | 16504 | 14534 |
| 8192 | | | | | | 10890 |
bkwdread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 87319 | 34801 | 33025 | 33487 | 32928 | 40970 |
| 64 | 59862 | 37448 | 37158 | 91678 | 39744 | 45909 |
| 512 | | | 39756 | 94251 | 66975 | 51523 |
| 2048 | | | | 100456 | 67109 | 64558 |
| 8192 | | | | | | 95122 |
recrewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 5714 | 3351 | 3396 | 3512 | 3642 | 3336 |
| 64 | 10698 | 6770 | 6784 | 12880 | 10086 | 8715 |
| 512 | | | 10696 | 13424 | 14433 | 9416 |
| 2048 | | | | 17006 | 15278 | 13271 |
| 8192 | | | | | | 14928 |
strideread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 261080 | 33960 | 32960 | 32404 | 32124 | 34676 |
| 64 | 63487 | 39567 | 39614 | 38130 | 39933 | 40281 |
| 512 | | | 99563 | 63852 | 68199 | 41202 |
| 2048 | | | | 101987 | 66840 | 63912 |
| 8192 | | | | | | 66378 |
fwrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3489 | 1965 | 1937 | 1933 | 1924 | 1846 |
| 64 | 7708 | 7114 | 6064 | 5816 | 5709 | 6524 |
| 512 | | | 26296 | 12903 | 11272 | 11690 |
| 2048 | | | | 16668 | 24079 | 15750 |
| 8192 | | | | | | 10396 |
frewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 6168 | 3102 | 3083 | 3071 | 3067 | 3058 |
| 64 | 6742 | 8232 | 6597 | 6104 | 6302 | 6228 |
| 512 | | | 28363 | 13394 | 11669 | 10923 |
| 2048 | | | | 15480 | 21136 | 13357 |
| 8192 | | | | | | 11451 |
fread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 83776 | 35241 | 33520 | 33271 | 33304 | 37659 |
| 64 | 39556 | 38123 | 38433 | 38635 | 40124 | 40420 |
| 512 | | | 100157 | 67446 | 64157 | 67260 |
| 2048 | | | | 79604 | 65311 | 64823 |
| 8192 | | | | | | 85055 |
freread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 95251 | 35694 | 33789 | 33337 | 35954 | 82519 |
| 64 | 41100 | 38658 | 38478 | 38413 | 40112 | 96178 |
| 512 | | | 102287 | 67173 | 64096 | 82824 |
| 2048 | | | | 80464 | 79230 | 85569 |
| 8192 | | | | | | 97612 |