Tests by date
UBIFS, 2009-03-16
write_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 1915 | 1943 | 1955 | 1976 | 1925 | 1957 |
| 64 | 5906 | 5252 | 5892 | 6044 | 6078 | 6074 |
| 512 | | | 6620 | 6809 | 6897 | 7406 |
| 2048 | | | | 11239 | 7145 | 7268 |
| 8192 | | | | | | 10474 |
rewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3201 | 3171 | 3180 | 3159 | 3177 | 3106 |
| 64 | 6721 | 6558 | 6441 | 6729 | 6696 | 6635 |
| 512 | | | 7139 | 7136 | 7002 | 7165 |
| 2048 | | | | 11026 | 7196 | 7144 |
| 8192 | | | | | | 11276 |
read_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 36781 | 34806 | 34168 | 33893 | 33979 | 34282 |
| 64 | 30825 | 39378 | 37956 | 39061 | 38590 | 39262 |
| 512 | | | 38656 | 39221 | 39452 | 40963 |
| 2048 | | | | 64962 | 39874 | 49029 |
| 8192 | | | | | | 82544 |
reread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 41909 | 33285 | 33892 | 33756 | 34186 | 71429 |
| 64 | 33807 | 38835 | 38391 | 39061 | 38881 | 80683 |
| 512 | | | 39061 | 39732 | 40894 | 90048 |
| 2048 | | | | 63729 | 64495 | 83004 |
| 8192 | | | | | | 96143 |
randomread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 36781 | 32015 | 31271 | 31639 | 49728 | 77336 |
| 64 | 32751 | 38123 | 37742 | 38768 | 75402 | 95120 |
| 512 | | | 38925 | 41733 | 96836 | 97896 |
| 2048 | | | | 65152 | 95869 | 97968 |
| 8192 | | | | | | 97153 |
randomwrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2912 | 3069 | 3096 | 3090 | 3323 | 3233 |
| 64 | 5974 | 6620 | 6685 | 6626 | 8979 | 7593 |
| 512 | | | 7055 | 11461 | 14111 | 10409 |
| 2048 | | | | 16308 | 15514 | 13479 |
| 8192 | | | | | | 10404 |
bkwdread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 33262 | 33822 | 33057 | 32945 | 32977 | 33604 |
| 64 | 31296 | 37786 | 38433 | 40088 | 38612 | 38965 |
| 512 | | | 39475 | 67377 | 39371 | 45512 |
| 2048 | | | | 84307 | 64527 | 46668 |
| 8192 | | | | | | 60376 |
recrewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3120 | 3390 | 3317 | 3397 | 3526 | 3250 |
| 64 | 3705 | 6307 | 6725 | 6659 | 9289 | 8180 |
| 512 | | | 9953 | 11353 | 11774 | 9928 |
| 2048 | | | | 14116 | 14781 | 13024 |
| 8192 | | | | | | 11303 |
strideread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 95217 | 32892 | 31804 | 31910 | 31625 | 31610 |
| 64 | 38118 | 39197 | 40136 | 38813 | 38578 | 38701 |
| 512 | | | 78951 | 63429 | 39095 | 41663 |
| 2048 | | | | 84304 | 65121 | 64419 |
| 8192 | | | | | | 58996 |
fwrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 1961 | 1919 | 1877 | 1871 | 1882 | 1776 |
| 64 | 6025 | 6990 | 5786 | 5645 | 5596 | 6483 |
| 512 | | | 20447 | 12816 | 10974 | 7920 |
| 2048 | | | | 13928 | 17685 | 15690 |
| 8192 | | | | | | 10110 |
frewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3021 | 3085 | 3027 | 3008 | 3017 | 2729 |
| 64 | 6852 | 8104 | 6483 | 6437 | 6325 | 6207 |
| 512 | | | 19206 | 13184 | 7325 | 6880 |
| 2048 | | | | 11560 | 18797 | 13423 |
| 8192 | | | | | | 10122 |
fread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 32755 | 34519 | 33320 | 33790 | 33748 | 34108 |
| 64 | 32751 | 38129 | 38656 | 38347 | 38768 | 38926 |
| 512 | | | 40770 | 64963 | 41361 | 40082 |
| 2048 | | | | 64034 | 65535 | 64326 |
| 8192 | | | | | | 54371 |
freread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 38112 | 34806 | 33454 | 33370 | 33714 | 71487 |
| 64 | 39556 | 38658 | 38391 | 38501 | 38869 | 79629 |
| 512 | | | 40573 | 64713 | 64621 | 67395 |
| 2048 | | | | 64775 | 65953 | 75297 |
| 8192 | | | | | | 97012 |
write_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2799 | 1989 | 1986 | 2080 | 2024 | 2016 |
| 64 | 6043 | 6195 | 6169 | 6165 | 6125 | 6134 |
| 512 | | | 7016 | 6975 | 7864 | 10370 |
| 2048 | | | | 11343 | 13801 | 11362 |
| 8192 | | | | | | 11236 |
rewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 4588 | 3236 | 3219 | 3212 | 3208 | 3224 |
| 64 | 6921 | 6808 | 6756 | 6783 | 6778 | 6764 |
| 512 | | | 7160 | 7182 | 7183 | 7203 |
| 2048 | | | | 11503 | 11483 | 11482 |
| 8192 | | | | | | 11624 |
read_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 74852 | 36467 | 34915 | 34521 | 34361 | 38763 |
| 64 | 40304 | 40711 | 39802 | 39615 | 39522 | 41643 |
| 512 | | | 39614 | 39638 | 40957 | 48072 |
| 2048 | | | | 67512 | 64964 | 67684 |
| 8192 | | | | | | 97399 |
reread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 83750 | 36471 | 34344 | 34502 | 39791 | 84706 |
| 64 | 40304 | 40915 | 39197 | 39452 | 41798 | 96627 |
| 512 | | | 40281 | 39992 | 58278 | 102378 |
| 2048 | | | | 67716 | 87267 | 98075 |
| 8192 | | | | | | 97363 |
randomread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 74852 | 33151 | 31684 | 33107 | 77402 | 77942 |
| 64 | 40298 | 38478 | 38701 | 47358 | 95054 | 99678 |
| 512 | | | 40377 | 60455 | 99345 | 102338 |
| 2048 | | | | 68547 | 98471 | 102495 |
| 8192 | | | | | | 97399 |
randomwrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 4490 | 3164 | 3147 | 3737 | 3574 | 3295 |
| 64 | 6853 | 6808 | 6774 | 15768 | 10603 | 7965 |
| 512 | | | 9965 | 17015 | 15374 | 12546 |
| 2048 | | | | 16946 | 16258 | 13665 |
| 8192 | | | | | | 11971 |
bkwdread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 69883 | 34806 | 33961 | 33807 | 33748 | 35810 |
| 64 | 38118 | 38299 | 39244 | 83052 | 39267 | 40665 |
| 512 | | | 100461 | 91179 | 46603 | 67598 |
| 2048 | | | | 97967 | 64964 | 67344 |
| 8192 | | | | | | 84148 |
recrewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3578 | 3456 | 3426 | 3452 | 3716 | 3376 |
| 64 | 6743 | 6842 | 6864 | 6835 | 10029 | 8566 |
| 512 | | | 17075 | 13360 | 14650 | 12879 |
| 2048 | | | | 15505 | 15347 | 13558 |
| 8192 | | | | | | 12723 |
strideread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 104768 | 34376 | 32387 | 32783 | 32920 | 38512 |
| 64 | 40304 | 40711 | 41576 | 40089 | 39107 | 40463 |
| 512 | | | 99563 | 66974 | 67075 | 55029 |
| 2048 | | | | 97681 | 67957 | 67734 |
| 8192 | | | | | | 67598 |
fwrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2060 | 1950 | 1915 | 1907 | 1906 | 1894 |
| 64 | 6113 | 7377 | 6048 | 5872 | 5769 | 6530 |
| 512 | | | 22565 | 12965 | 11315 | 10395 |
| 2048 | | | | 15690 | 21863 | 16310 |
| 8192 | | | | | | 12940 |
frewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3276 | 3112 | 3060 | 3054 | 3054 | 3046 |
| 64 | 6874 | 8183 | 6653 | 6461 | 6355 | 6291 |
| 512 | | | 23729 | 13513 | 11701 | 6917 |
| 2048 | | | | 13980 | 19187 | 13493 |
| 8192 | | | | | | 11418 |
fread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 33828 | 35392 | 34309 | 33979 | 34047 | 38618 |
| 64 | 39556 | 39013 | 39290 | 39175 | 40463 | 39458 |
| 512 | | | 67240 | 67648 | 65727 | 47077 |
| 2048 | | | | 65026 | 66051 | 66592 |
| 8192 | | | | | | 83261 |
freread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 38812 | 35693 | 33892 | 33688 | 35829 | 83755 |
| 64 | 41100 | 39191 | 38971 | 39198 | 68794 | 90747 |
| 512 | | | 66841 | 67242 | 67344 | 85407 |
| 2048 | | | | 65152 | 66280 | 88011 |
| 8192 | | | | | | 101486 |
write_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3266 | 2076 | 2071 | 2216 | 2137 | 2106 |
| 64 | 12864 | 6255 | 6262 | 6193 | 6191 | 6191 |
| 512 | | | 7047 | 16781 | 14030 | 12939 |
| 2048 | | | | 16660 | 15675 | 14300 |
| 8192 | | | | | | 15173 |
rewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 6297 | 3340 | 3326 | 3321 | 3324 | 3257 |
| 64 | 16128 | 6904 | 6901 | 6853 | 6841 | 6787 |
| 512 | | | 7226 | 12811 | 9121 | 7994 |
| 2048 | | | | 14211 | 13047 | 12081 |
| 8192 | | | | | | 14425 |
read_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 104727 | 38299 | 37489 | 36196 | 36671 | 43933 |
| 64 | 110323 | 42795 | 41838 | 41221 | 41864 | 55381 |
| 512 | | | 41070 | 67041 | 46122 | 99199 |
| 2048 | | | | 68407 | 68233 | 74317 |
| 8192 | | | | | | 102027 |
reread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 104727 | 38299 | 36431 | 36196 | 65408 | 90503 |
| 64 | 110368 | 42793 | 41734 | 44678 | 52945 | 101794 |
| 512 | | | 98689 | 67443 | 103243 | 103283 |
| 2048 | | | | 68547 | 103403 | 103321 |
| 8192 | | | | | | 102494 |
randomread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 95251 | 34096 | 33858 | 50646 | 82138 | 82190 |
| 64 | 104768 | 39751 | 41995 | 100009 | 100765 | 100989 |
| 512 | | | 103236 | 97681 | 103402 | 103482 |
| 2048 | | | | 101986 | 103402 | 103244 |
| 8192 | | | | | | 102221 |
randomwrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 6077 | 3261 | 3251 | 4084 | 3686 | 3448 |
| 64 | 15884 | 6881 | 6852 | 16124 | 13154 | 8473 |
| 512 | | | 17385 | 17278 | 17236 | 13162 |
| 2048 | | | | 17300 | 17156 | 15106 |
| 8192 | | | | | | 15525 |
bkwdread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 95251 | 36951 | 35885 | 35657 | 35973 | 39423 |
| 64 | 95217 | 41939 | 41629 | 98684 | 41669 | 56017 |
| 512 | | | 105514 | 100308 | 78719 | 102300 |
| 2048 | | | | 104366 | 84200 | 73463 |
| 8192 | | | | | | 101525 |
recrewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 5957 | 3583 | 3615 | 3600 | 3901 | 3488 |
| 64 | 16007 | 6955 | 6964 | 10967 | 11897 | 9269 |
| 512 | | | 17340 | 17251 | 15626 | 13646 |
| 2048 | | | | 17318 | 17225 | 15062 |
| 8192 | | | | | | 15467 |
strideread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 261080 | 35388 | 35582 | 34663 | 34708 | 44538 |
| 64 | 104727 | 44382 | 45529 | 66116 | 40982 | 52285 |
| 512 | | | 106510 | 98542 | 77313 | 68988 |
| 2048 | | | | 103084 | 81590 | 73908 |
| 8192 | | | | | | 102378 |
fwrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3590 | 2034 | 1993 | 1989 | 1990 | 1939 |
| 64 | 14071 | 7449 | 6115 | 8417 | 7938 | 6791 |
| 512 | | | 26629 | 16008 | 12912 | 11843 |
| 2048 | | | | 16980 | 26001 | 19419 |
| 8192 | | | | | | 15037 |
frewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 6297 | 3214 | 3150 | 3141 | 3150 | 3118 |
| 64 | 16908 | 8289 | 6716 | 6502 | 6384 | 6326 |
| 512 | | | 28244 | 14713 | 12533 | 11086 |
| 2048 | | | | 17110 | 23538 | 13550 |
| 8192 | | | | | | 15219 |
fread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 91175 | 37786 | 36196 | 36041 | 36041 | 46122 |
| 64 | 104727 | 42795 | 41373 | 41604 | 43045 | 41215 |
| 512 | | | 87370 | 68337 | 68304 | 67310 |
| 2048 | | | | 84729 | 66509 | 70528 |
| 8192 | | | | | | 102027 |
freread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 104727 | 37786 | 36196 | 35925 | 56847 | 89359 |
| 64 | 110323 | 43234 | 40573 | 41502 | 96976 | 97116 |
| 512 | | | 83048 | 67992 | 90563 | 102847 |
| 2048 | | | | 84519 | 94186 | 101757 |
| 8192 | | | | | | 102222 |