Tests by date
UBIFS, 2008-11-17
write_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2238 | 2021 | 2013 | 2086 | 2075 | 2057 |
| 64 | 5991 | 6195 | 5880 | 6094 | 6126 | 6078 |
| 512 | | | 6986 | 6658 | 7507 | 12009 |
| 2048 | | | | 16714 | 11056 | 12059 |
| 8192 | | | | | | 11066 |
rewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3246 | 3175 | 3218 | 3239 | 3237 | 3142 |
| 64 | 6874 | 6477 | 6672 | 6735 | 6716 | 6666 |
| 512 | | | 7027 | 7121 | 7115 | 11287 |
| 2048 | | | | 14394 | 11385 | 11321 |
| 8192 | | | | | | 13025 |
read_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 38118 | 35540 | 34556 | 34555 | 34300 | 39365 |
| 64 | 39556 | 39012 | 38701 | 38925 | 38836 | 40172 |
| 512 | | | 38880 | 39428 | 64621 | 66394 |
| 2048 | | | | 67107 | 63730 | 63369 |
| 8192 | | | | | | 101717 |
reread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 41909 | 36001 | 34239 | 34485 | 56181 | 84732 |
| 64 | 40328 | 36951 | 38216 | 38546 | 44354 | 88621 |
| 512 | | | 39244 | 39359 | 97398 | 97754 |
| 2048 | | | | 67240 | 83675 | 88973 |
| 8192 | | | | | | 101871 |
randomread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 38835 | 30951 | 30925 | 35772 | 76432 | 75806 |
| 64 | 38835 | 37117 | 38567 | 38238 | 95054 | 98147 |
| 512 | | | 39290 | 96979 | 96557 | 97329 |
| 2048 | | | | 79604 | 97257 | 98111 |
| 8192 | | | | | | 101067 |
randomwrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3088 | 3142 | 3155 | 3924 | 3590 | 3127 |
| 64 | 6764 | 6726 | 6728 | 12413 | 10722 | 7955 |
| 512 | | | 10264 | 17036 | 15043 | 9150 |
| 2048 | | | | 17071 | 16133 | 14095 |
| 8192 | | | | | | 11693 |
bkwdread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 35539 | 32765 | 33961 | 34065 | 33688 | 33744 |
| 64 | 37427 | 36467 | 38926 | 96005 | 38836 | 39850 |
| 512 | | | 95052 | 79984 | 63670 | 46863 |
| 2048 | | | | 101066 | 63912 | 64356 |
| 8192 | | | | | | 81319 |
recrewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3201 | 3382 | 3381 | 3469 | 3635 | 3120 |
| 64 | 3679 | 6764 | 6708 | 9798 | 9926 | 9327 |
| 512 | | | 17049 | 13966 | 11351 | 9286 |
| 2048 | | | | 16899 | 16985 | 13244 |
| 8192 | | | | | | 11235 |
strideread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 110368 | 32261 | 32231 | 32880 | 32816 | 31846 |
| 64 | 38835 | 39191 | 39708 | 38679 | 38645 | 50753 |
| 512 | | | 95860 | 79043 | 63130 | 38546 |
| 2048 | | | | 102451 | 79137 | 63730 |
| 8192 | | | | | | 102027 |
fwrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2028 | 1972 | 1948 | 1942 | 1947 | 1866 |
| 64 | 6060 | 7096 | 5998 | 5856 | 5672 | 6258 |
| 512 | | | 22309 | 14351 | 11294 | 11607 |
| 2048 | | | | 16840 | 21852 | 16915 |
| 8192 | | | | | | 13831 |
frewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3323 | 3112 | 3060 | 3049 | 3054 | 2651 |
| 64 | 6852 | 7810 | 6533 | 6397 | 6276 | 6214 |
| 512 | | | 22795 | 12717 | 11653 | 10866 |
| 2048 | | | | 14847 | 19636 | 13290 |
| 8192 | | | | | | 11530 |
fread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 34369 | 33420 | 34168 | 34117 | 34082 | 42710 |
| 64 | 33279 | 37279 | 38880 | 38925 | 44590 | 52998 |
| 512 | | | 65787 | 66508 | 66808 | 63776 |
| 2048 | | | | 64713 | 65376 | 65424 |
| 8192 | | | | | | 97612 |
freread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 40322 | 33420 | 33621 | 34047 | 34239 | 83833 |
| 64 | 40322 | 37612 | 38568 | 38546 | 95732 | 95663 |
| 512 | | | 65920 | 66640 | 66975 | 92915 |
| 2048 | | | | 64589 | 65312 | 73806 |
| 8192 | | | | | | 97577 |
write_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 1836 | 1907 | 1900 | 1942 | 1969 | 1941 |
| 64 | 6149 | 6204 | 6146 | 6111 | 6099 | 6074 |
| 512 | | | 6983 | 6944 | 11949 | 9117 |
| 2048 | | | | 11140 | 11231 | 12121 |
| 8192 | | | | | | 10042 |
rewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3079 | 3095 | 3096 | 3096 | 3106 | 3049 |
| 64 | 6830 | 6814 | 6658 | 6745 | 6723 | 6708 |
| 512 | | | 7067 | 7092 | 7130 | 7101 |
| 2048 | | | | 11318 | 11204 | 11329 |
| 8192 | | | | | | 12513 |
read_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 38835 | 36311 | 36511 | 36771 | 36471 | 36651 |
| 64 | 41132 | 39751 | 41526 | 39897 | 41527 | 50053 |
| 512 | | | 40041 | 39850 | 41579 | 59335 |
| 2048 | | | | 67512 | 67074 | 66808 |
| 8192 | | | | | | 97047 |
reread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 44604 | 38128 | 36156 | 36392 | 58533 | 84839 |
| 64 | 41106 | 40130 | 40969 | 39568 | 41374 | 98328 |
| 512 | | | 41629 | 39945 | 103402 | 99126 |
| 2048 | | | | 67512 | 95595 | 85379 |
| 8192 | | | | | | 97116 |
randomread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 37427 | 32636 | 32576 | 32751 | 80465 | 80537 |
| 64 | 40322 | 41524 | 40475 | 45901 | 101680 | 97575 |
| 512 | | | 41577 | 97538 | 103400 | 98980 |
| 2048 | | | | 67512 | 101371 | 102612 |
| 8192 | | | | | | 97118 |
randomwrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3013 | 3042 | 3033 | 2934 | 3367 | 3125 |
| 64 | 6678 | 6472 | 6682 | 15639 | 11212 | 8400 |
| 512 | | | 9793 | 16793 | 14609 | 12794 |
| 2048 | | | | 14939 | 15644 | 14297 |
| 8192 | | | | | | 13933 |
bkwdread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 35534 | 36786 | 35172 | 35925 | 35610 | 44099 |
| 64 | 37448 | 38834 | 41373 | 70862 | 41183 | 39354 |
| 512 | | | 105852 | 99562 | 45024 | 66052 |
| 2048 | | | | 101527 | 67007 | 66542 |
| 8192 | | | | | | 63670 |
recrewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2987 | 3207 | 3276 | 3247 | 3169 | 3220 |
| 64 | 6808 | 6825 | 6728 | 6766 | 10301 | 8485 |
| 512 | | | 16955 | 16170 | 14893 | 12633 |
| 2048 | | | | 16685 | 14364 | 13555 |
| 8192 | | | | | | 14058 |
strideread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 91175 | 34097 | 34878 | 34681 | 34592 | 45046 |
| 64 | 39556 | 41939 | 43072 | 39827 | 41082 | 39656 |
| 512 | | | 107191 | 80753 | 68303 | 63564 |
| 2048 | | | | 86035 | 67108 | 68182 |
| 8192 | | | | | | 73342 |
fwrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 1965 | 1868 | 1850 | 1849 | 1928 | 1753 |
| 64 | 6223 | 7300 | 6019 | 5571 | 5758 | 6499 |
| 512 | | | 22474 | 14850 | 11251 | 11515 |
| 2048 | | | | 13825 | 25589 | 16653 |
| 8192 | | | | | | 12849 |
frewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3130 | 3003 | 2952 | 2927 | 2962 | 2921 |
| 64 | 6943 | 8104 | 6571 | 6399 | 6283 | 6264 |
| 512 | | | 23415 | 13341 | 11624 | 10873 |
| 2048 | | | | 12917 | 18887 | 13271 |
| 8192 | | | | | | 13023 |
fread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 34938 | 36951 | 36313 | 36333 | 36089 | 36299 |
| 64 | 43653 | 42146 | 41119 | 39475 | 41669 | 39838 |
| 512 | | | 65920 | 68060 | 64682 | 64948 |
| 2048 | | | | 64650 | 66443 | 68251 |
| 8192 | | | | | | 73847 |
freread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 39550 | 37279 | 35432 | 36021 | 35992 | 66444 |
| 64 | 44596 | 42153 | 40819 | 38813 | 63279 | 98580 |
| 512 | | | 65152 | 67446 | 64651 | 99346 |
| 2048 | | | | 66708 | 65889 | 99419 |
| 8192 | | | | | | 97222 |
write_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2773 | 1903 | 1908 | 1948 | 1950 | 1917 |
| 64 | 6042 | 6109 | 6060 | 6106 | 6031 | 6113 |
| 512 | | | 6974 | 16124 | 12814 | 9043 |
| 2048 | | | | 16476 | 14076 | 12219 |
| 8192 | | | | | | 11336 |
rewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 4787 | 3102 | 3087 | 3083 | 3092 | 3000 |
| 64 | 6897 | 6721 | 6677 | 6720 | 6690 | 6728 |
| 512 | | | 7084 | 11742 | 7802 | 7113 |
| 2048 | | | | 16751 | 11215 | 11418 |
| 8192 | | | | | | 14375 |
read_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 83881 | 35995 | 34915 | 34574 | 33996 | 41916 |
| 64 | 34369 | 40519 | 41272 | 40944 | 39028 | 39056 |
| 512 | | | 78952 | 67308 | 39406 | 40745 |
| 2048 | | | | 64589 | 64004 | 67718 |
| 8192 | | | | | | 87637 |
reread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 83776 | 36001 | 34239 | 34169 | 43087 | 84893 |
| 64 | 41941 | 40719 | 40621 | 40671 | 51130 | 84492 |
| 512 | | | 103236 | 66974 | 55622 | 96005 |
| 2048 | | | | 63429 | 97683 | 83990 |
| 8192 | | | | | | 102573 |
randomread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 69792 | 30955 | 31067 | 41146 | 76304 | 75786 |
| 64 | 31759 | 39944 | 39943 | 53387 | 94519 | 96109 |
| 512 | | | 102924 | 66908 | 97896 | 101105 |
| 2048 | | | | 98832 | 97257 | 102378 |
| 8192 | | | | | | 102182 |
randomwrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 4799 | 3025 | 3023 | 3569 | 3295 | 3134 |
| 64 | 6808 | 6781 | 6709 | 15610 | 10411 | 8012 |
| 512 | | | 16903 | 15353 | 16332 | 12642 |
| 2048 | | | | 16827 | 15690 | 13507 |
| 8192 | | | | | | 14523 |
bkwdread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 74852 | 34660 | 33386 | 33773 | 33630 | 33567 |
| 64 | 38835 | 37786 | 40136 | 61623 | 38358 | 39073 |
| 512 | | | 105178 | 103080 | 39592 | 67820 |
| 2048 | | | | 98831 | 79512 | 67581 |
| 8192 | | | | | | 67632 |
recrewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 4599 | 3220 | 3310 | 3216 | 3513 | 3120 |
| 64 | 6852 | 6522 | 6754 | 6718 | 9468 | 8345 |
| 512 | | | 16912 | 16582 | 15048 | 12623 |
| 2048 | | | | 16752 | 15251 | 13498 |
| 8192 | | | | | | 10834 |
strideread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 190491 | 34097 | 33057 | 32847 | 32816 | 32747 |
| 64 | 41100 | 43455 | 42963 | 40427 | 38523 | 41740 |
| 512 | | | 102924 | 93465 | 64127 | 79914 |
| 2048 | | | | 98107 | 64188 | 67649 |
| 8192 | | | | | | 102611 |
fwrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 1880 | 1870 | 1847 | 1835 | 1838 | 1741 |
| 64 | 6042 | 7244 | 5951 | 5798 | 5702 | 6391 |
| 512 | | | 25810 | 15664 | 11213 | 8255 |
| 2048 | | | | 14388 | 25482 | 17052 |
| 8192 | | | | | | 11351 |
frewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3134 | 3003 | 2928 | 2942 | 2944 | 2971 |
| 64 | 6786 | 8027 | 6525 | 6375 | 6277 | 6212 |
| 512 | | | 18871 | 13194 | 11546 | 6819 |
| 2048 | | | | 11632 | 18805 | 13378 |
| 8192 | | | | | | 13246 |
fread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 33811 | 35388 | 34519 | 34064 | 34326 | 40335 |
| 64 | 40328 | 38652 | 41068 | 40696 | 39096 | 46083 |
| 512 | | | 64528 | 64402 | 67176 | 41202 |
| 2048 | | | | 67310 | 65695 | 68408 |
| 8192 | | | | | | 97969 |
freread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 37427 | 35999 | 33927 | 33910 | 36954 | 83833 |
| 64 | 41106 | 39012 | 39708 | 40920 | 39141 | 101028 |
| 512 | | | 63907 | 63549 | 67142 | 101602 |
| 2048 | | | | 67443 | 65824 | 100838 |
| 8192 | | | | | | 97648 |