Tests by date
UBIFS, 2009-03-26
write_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 1931 | 1936 | 1960 | 1979 | 1953 | 1958 |
| 64 | 5924 | 5515 | 6143 | 6148 | 5996 | 6094 |
| 512 | | | 6934 | 6934 | 6885 | 7293 |
| 2048 | | | | 11235 | 11282 | 7469 |
| 8192 | | | | | | 10645 |
rewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3323 | 3170 | 3189 | 3180 | 3190 | 3111 |
| 64 | 6700 | 6610 | 6752 | 6736 | 6759 | 6753 |
| 512 | | | 7093 | 6965 | 7094 | 7158 |
| 2048 | | | | 11461 | 11455 | 7072 |
| 8192 | | | | | | 9863 |
read_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 37427 | 34948 | 32799 | 33271 | 32751 | 32792 |
| 64 | 33811 | 38652 | 38086 | 38238 | 38993 | 39302 |
| 512 | | | 38610 | 39245 | 39005 | 39910 |
| 2048 | | | | 64402 | 64373 | 64527 |
| 8192 | | | | | | 86174 |
reread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 41909 | 35387 | 33155 | 32944 | 32847 | 70197 |
| 64 | 33824 | 39012 | 37914 | 38880 | 39580 | 71544 |
| 512 | | | 38924 | 37978 | 41463 | 74731 |
| 2048 | | | | 64342 | 64869 | 89687 |
| 8192 | | | | | | 96837 |
randomread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 35534 | 31534 | 31125 | 30953 | 52203 | 75935 |
| 64 | 31296 | 37279 | 38260 | 38746 | 67683 | 95562 |
| 512 | | | 38970 | 40770 | 64996 | 97790 |
| 2048 | | | | 67108 | 85000 | 97825 |
| 8192 | | | | | | 96627 |
randomwrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3201 | 3138 | 3129 | 3105 | 3435 | 3202 |
| 64 | 5577 | 6770 | 6672 | 12789 | 8984 | 7774 |
| 512 | | | 7261 | 12406 | 13757 | 8719 |
| 2048 | | | | 15559 | 15347 | 13054 |
| 8192 | | | | | | 10770 |
bkwdread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 34933 | 32511 | 33123 | 32767 | 32553 | 33428 |
| 64 | 36761 | 37443 | 38303 | 38303 | 38791 | 39141 |
| 512 | | | 41682 | 71465 | 41145 | 40396 |
| 2048 | | | | 89237 | 64156 | 64081 |
| 8192 | | | | | | 59218 |
recrewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3236 | 3396 | 3393 | 3375 | 3577 | 3294 |
| 64 | 6573 | 6678 | 6509 | 6598 | 9692 | 8137 |
| 512 | | | 7259 | 11506 | 11609 | 9093 |
| 2048 | | | | 14140 | 14678 | 13061 |
| 8192 | | | | | | 11691 |
strideread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 95217 | 32262 | 30699 | 31624 | 31926 | 32636 |
| 64 | 32751 | 39567 | 40476 | 38902 | 38959 | 38595 |
| 512 | | | 41682 | 64402 | 39732 | 40622 |
| 2048 | | | | 80178 | 64619 | 64126 |
| 8192 | | | | | | 67395 |
fwrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2002 | 1929 | 1891 | 1879 | 1877 | 1788 |
| 64 | 6078 | 7043 | 5996 | 5752 | 5740 | 6488 |
| 512 | | | 10990 | 12838 | 7020 | 7867 |
| 2048 | | | | 13751 | 17669 | 15547 |
| 8192 | | | | | | 10283 |
frewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3231 | 3101 | 3034 | 3020 | 3018 | 2745 |
| 64 | 6432 | 8128 | 6571 | 6382 | 6226 | 6103 |
| 512 | | | 11707 | 9248 | 7293 | 6869 |
| 2048 | | | | 11596 | 18885 | 13308 |
| 8192 | | | | | | 9871 |
fread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 32259 | 32896 | 33486 | 33156 | 32743 | 33824 |
| 64 | 32755 | 35995 | 38746 | 38545 | 38813 | 39033 |
| 512 | | | 64650 | 43548 | 39348 | 46402 |
| 2048 | | | | 63729 | 63669 | 64434 |
| 8192 | | | | | | 53697 |
freread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 36786 | 33152 | 32293 | 32993 | 32872 | 66280 |
| 64 | 32255 | 31530 | 38434 | 37637 | 40499 | 84333 |
| 512 | | | 63670 | 64650 | 39463 | 81939 |
| 2048 | | | | 63307 | 65121 | 73362 |
| 8192 | | | | | | 97082 |
write_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2841 | 1988 | 1977 | 2099 | 2010 | 2012 |
| 64 | 6043 | 6213 | 6194 | 6172 | 6157 | 6132 |
| 512 | | | 7005 | 6988 | 7168 | 9539 |
| 2048 | | | | 11328 | 13577 | 11592 |
| 8192 | | | | | | 12439 |
rewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 5053 | 3222 | 3229 | 3224 | 3222 | 3192 |
| 64 | 6921 | 6797 | 6782 | 6799 | 6798 | 6779 |
| 512 | | | 7189 | 7195 | 7193 | 7176 |
| 2048 | | | | 11483 | 11488 | 11422 |
| 8192 | | | | | | 11541 |
read_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 77578 | 36311 | 34555 | 34344 | 34432 | 40807 |
| 64 | 39556 | 39378 | 39199 | 40184 | 40622 | 41637 |
| 512 | | | 39475 | 39897 | 41183 | 52356 |
| 2048 | | | | 67785 | 67683 | 67074 |
| 8192 | | | | | | 97083 |
reread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 87291 | 36468 | 34133 | 34168 | 34556 | 83468 |
| 64 | 41909 | 39757 | 39106 | 40377 | 42193 | 98039 |
| 512 | | | 41119 | 41246 | 64901 | 101143 |
| 2048 | | | | 68062 | 68269 | 98472 |
| 8192 | | | | | | 97365 |
randomread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 74852 | 32141 | 31447 | 31595 | 77537 | 77627 |
| 64 | 39556 | 38828 | 38746 | 40597 | 96281 | 97012 |
| 512 | | | 40870 | 56345 | 98760 | 101525 |
| 2048 | | | | 68268 | 101218 | 98907 |
| 8192 | | | | | | 97222 |
randomwrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 4618 | 3165 | 3150 | 3688 | 3510 | 3310 |
| 64 | 6830 | 6825 | 6803 | 15258 | 11191 | 8093 |
| 512 | | | 14992 | 17028 | 16393 | 10473 |
| 2048 | | | | 16561 | 16543 | 13489 |
| 8192 | | | | | | 12475 |
bkwdread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 72312 | 34948 | 33756 | 33739 | 33621 | 35667 |
| 64 | 38807 | 38129 | 39756 | 88646 | 40233 | 39821 |
| 512 | | | 100461 | 92686 | 65567 | 44099 |
| 2048 | | | | 98542 | 67820 | 67293 |
| 8192 | | | | | | 82316 |
recrewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 5152 | 3435 | 3440 | 3451 | 3762 | 3371 |
| 64 | 6920 | 6859 | 6861 | 9794 | 10194 | 8686 |
| 512 | | | 16972 | 13782 | 12843 | 9953 |
| 2048 | | | | 16921 | 15219 | 13463 |
| 8192 | | | | | | 12526 |
strideread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 190491 | 33960 | 32703 | 32751 | 32767 | 35610 |
| 64 | 39556 | 41324 | 41941 | 40696 | 40402 | 39609 |
| 512 | | | 95326 | 67855 | 65792 | 44941 |
| 2048 | | | | 85269 | 67276 | 67091 |
| 8192 | | | | | | 81023 |
fwrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2164 | 1946 | 1921 | 1911 | 1908 | 1887 |
| 64 | 6259 | 7339 | 6070 | 5890 | 5784 | 6536 |
| 512 | | | 22162 | 12972 | 11382 | 10724 |
| 2048 | | | | 14027 | 17831 | 16539 |
| 8192 | | | | | | 11866 |
frewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3334 | 3120 | 3072 | 3076 | 3058 | 3031 |
| 64 | 6853 | 8183 | 6641 | 6428 | 6348 | 6264 |
| 512 | | | 23285 | 13483 | 11580 | 10930 |
| 2048 | | | | 12602 | 19070 | 13453 |
| 8192 | | | | | | 12849 |
fread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 34369 | 33960 | 34064 | 33910 | 33961 | 39493 |
| 64 | 40298 | 39944 | 39850 | 40064 | 40696 | 39987 |
| 512 | | | 67103 | 65535 | 64713 | 64823 |
| 2048 | | | | 64775 | 65986 | 66084 |
| 8192 | | | | | | 69434 |
freread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 38835 | 34520 | 33688 | 33621 | 36012 | 83209 |
| 64 | 41106 | 40132 | 39244 | 39313 | 61090 | 94786 |
| 512 | | | 66836 | 66973 | 66840 | 98543 |
| 2048 | | | | 64777 | 66312 | 85871 |
| 8192 | | | | | | 97719 |
write_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3307 | 2070 | 2070 | 2316 | 2130 | 2103 |
| 64 | 14561 | 6264 | 13969 | 6216 | 6384 | 6178 |
| 512 | | | 7043 | 16772 | 14162 | 12693 |
| 2048 | | | | 15790 | 16798 | 12813 |
| 8192 | | | | | | 14995 |
rewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 6316 | 3347 | 3328 | 3328 | 3334 | 3270 |
| 64 | 16003 | 6944 | 15804 | 6833 | 6818 | 6828 |
| 512 | | | 7242 | 14460 | 11499 | 11515 |
| 2048 | | | | 14876 | 11548 | 13071 |
| 8192 | | | | | | 15456 |
read_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 95217 | 38654 | 37281 | 36610 | 35639 | 44642 |
| 64 | 99820 | 102269 | 106179 | 41019 | 41133 | 54273 |
| 512 | | | 41171 | 84628 | 66807 | 70289 |
| 2048 | | | | 80461 | 68164 | 88184 |
| 8192 | | | | | | 102416 |
reread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 110368 | 38658 | 36273 | 36196 | 59758 | 89957 |
| 64 | 74852 | 94252 | 72784 | 45589 | 49363 | 100274 |
| 512 | | | 51860 | 84200 | 103559 | 102533 |
| 2048 | | | | 80754 | 97826 | 103124 |
| 8192 | | | | | | 102494 |
randomread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 91020 | 34660 | 33354 | 58100 | 82341 | 81715 |
| 64 | 95251 | 101027 | 40870 | 97542 | 102377 | 99383 |
| 512 | | | 98689 | 101835 | 104122 | 103085 |
| 2048 | | | | 98395 | 103163 | 102927 |
| 8192 | | | | | | 102181 |
randomwrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 6095 | 3258 | 3256 | 4069 | 3713 | 3449 |
| 64 | 16909 | 15005 | 12482 | 16155 | 12293 | 8468 |
| 512 | | | 17313 | 17255 | 17128 | 13953 |
| 2048 | | | | 17282 | 17273 | 15897 |
| 8192 | | | | | | 16261 |
bkwdread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 87291 | 36158 | 35924 | 35733 | 35743 | 40034 |
| 64 | 95387 | 99844 | 102605 | 101220 | 41437 | 46482 |
| 512 | | | 105501 | 104531 | 85595 | 101950 |
| 2048 | | | | 103403 | 87379 | 71259 |
| 8192 | | | | | | 93628 |
recrewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 5809 | 3568 | 3581 | 3569 | 4000 | 3499 |
| 64 | 16128 | 16130 | 16296 | 13315 | 11385 | 8935 |
| 512 | | | 17286 | 17058 | 14796 | 13466 |
| 2048 | | | | 17233 | 17218 | 15144 |
| 8192 | | | | | | 15080 |
strideread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 232780 | 36001 | 34698 | 34520 | 34681 | 40154 |
| 64 | 95217 | 108930 | 111838 | 92564 | 45129 | 44107 |
| 512 | | | 104854 | 104853 | 68758 | 73989 |
| 2048 | | | | 103721 | 87039 | 73523 |
| 8192 | | | | | | 102027 |
fwrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3590 | 2032 | 1994 | 1988 | 1983 | 2018 |
| 64 | 13885 | 16776 | 6551 | 8436 | 7930 | 6666 |
| 512 | | | 26317 | 14639 | 14495 | 12477 |
| 2048 | | | | 16802 | 24676 | 17609 |
| 8192 | | | | | | 14912 |
frewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 6315 | 3212 | 3169 | 3158 | 3165 | 3134 |
| 64 | 15529 | 19237 | 6700 | 6483 | 6374 | 6311 |
| 512 | | | 28557 | 13592 | 11857 | 11016 |
| 2048 | | | | 16861 | 23738 | 13599 |
| 8192 | | | | | | 14881 |
fread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 83881 | 37614 | 36590 | 36392 | 35963 | 46075 |
| 64 | 41106 | 99844 | 41785 | 41221 | 41450 | 56441 |
| 512 | | | 104854 | 68268 | 66907 | 69166 |
| 2048 | | | | 81243 | 82747 | 69941 |
| 8192 | | | | | | 97506 |
freread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 99709 | 37779 | 36079 | 36294 | 64589 | 89121 |
| 64 | 41935 | 93189 | 41220 | 40870 | 91678 | 102768 |
| 512 | | | 98680 | 99416 | 98615 | 102534 |
| 2048 | | | | 80465 | 83624 | 102105 |
| 8192 | | | | | | 102260 |