Tests by date
UBIFS, 2008-11-26
write_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 1892 | 2034 | 2020 | 2018 | 2119 | 2078 |
| 64 | 5940 | 6190 | 6186 | 5998 | 6048 | 5990 |
| 512 | | | 6915 | 6971 | 13292 | 7223 |
| 2048 | | | | 16938 | 15805 | 12626 |
| 8192 | | | | | | 13409 |
rewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3276 | 3284 | 3259 | 3250 | 3252 | 3184 |
| 64 | 6786 | 6737 | 6421 | 6689 | 6688 | 6641 |
| 512 | | | 7099 | 6916 | 9881 | 7060 |
| 2048 | | | | 14242 | 11375 | 11308 |
| 8192 | | | | | | 14274 |
read_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 36781 | 36467 | 33255 | 34449 | 34125 | 37490 |
| 64 | 32239 | 40130 | 39152 | 38612 | 40487 | 42758 |
| 512 | | | 38926 | 39850 | 39556 | 40888 |
| 2048 | | | | 67715 | 64035 | 64589 |
| 8192 | | | | | | 89478 |
reread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 41100 | 37279 | 34273 | 34273 | 34039 | 84149 |
| 64 | 38812 | 38299 | 38612 | 38194 | 61510 | 99199 |
| 512 | | | 39802 | 97966 | 68095 | 102144 |
| 2048 | | | | 67852 | 68864 | 98004 |
| 8192 | | | | | | 102105 |
randomread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 28727 | 32384 | 31097 | 30925 | 57382 | 75466 |
| 64 | 31774 | 37953 | 38567 | 94252 | 99052 | 98326 |
| 512 | | | 38656 | 98107 | 98040 | 101872 |
| 2048 | | | | 71543 | 98615 | 98076 |
| 8192 | | | | | | 101988 |
randomwrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3216 | 3206 | 3189 | 3185 | 3432 | 3350 |
| 64 | 6721 | 6759 | 6662 | 15823 | 10429 | 7829 |
| 512 | | | 9854 | 17075 | 16664 | 9566 |
| 2048 | | | | 17093 | 16978 | 14499 |
| 8192 | | | | | | 11118 |
bkwdread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 34933 | 35247 | 33554 | 33638 | 33321 | 44223 |
| 64 | 35534 | 37279 | 39017 | 82847 | 40244 | 42942 |
| 512 | | | 96141 | 99864 | 64527 | 41158 |
| 2048 | | | | 101677 | 80319 | 64388 |
| 8192 | | | | | | 56956 |
recrewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3443 | 3459 | 3458 | 3472 | 3738 | 3399 |
| 64 | 6831 | 6764 | 6777 | 10346 | 9679 | 8581 |
| 512 | | | 17015 | 17032 | 14489 | 10990 |
| 2048 | | | | 17093 | 15864 | 13223 |
| 8192 | | | | | | 15154 |
strideread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 99820 | 32896 | 33420 | 32783 | 32624 | 32443 |
| 64 | 31296 | 41318 | 40329 | 63069 | 39981 | 40610 |
| 512 | | | 95318 | 97117 | 64527 | 58178 |
| 2048 | | | | 103403 | 72197 | 63989 |
| 8192 | | | | | | 72628 |
fwrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 1995 | 1990 | 1948 | 1945 | 1946 | 1869 |
| 64 | 6204 | 7397 | 6017 | 8064 | 5698 | 6424 |
| 512 | | | 22656 | 17381 | 9552 | 9655 |
| 2048 | | | | 16689 | 17746 | 15534 |
| 8192 | | | | | | 14265 |
frewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3276 | 3161 | 3105 | 3090 | 3100 | 3072 |
| 64 | 6512 | 8128 | 6568 | 6373 | 6279 | 6220 |
| 512 | | | 23497 | 8255 | 7292 | 6826 |
| 2048 | | | | 16436 | 18957 | 13245 |
| 8192 | | | | | | 13341 |
fread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 33262 | 35242 | 34414 | 33074 | 33765 | 33604 |
| 64 | 39550 | 40130 | 39061 | 38347 | 38847 | 43121 |
| 512 | | | 67921 | 41169 | 65953 | 39721 |
| 2048 | | | | 80948 | 65408 | 66724 |
| 8192 | | | | | | 102143 |
freread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 38118 | 36473 | 33892 | 33705 | 67581 | 68408 |
| 64 | 40328 | 40519 | 39197 | 38568 | 38768 | 98980 |
| 512 | | | 67240 | 41247 | 102456 | 89687 |
| 2048 | | | | 81047 | 64035 | 84973 |
| 8192 | | | | | | 102221 |
write_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3079 | 2038 | 2014 | 2165 | 1921 | 1960 |
| 64 | 5957 | 6167 | 6081 | 6120 | 6191 | 6059 |
| 512 | | | 6938 | 6967 | 6940 | 9372 |
| 2048 | | | | 11335 | 15145 | 7002 |
| 8192 | | | | | | 12780 |
rewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 5503 | 3270 | 3229 | 3251 | 3126 | 3070 |
| 64 | 6297 | 6770 | 6731 | 6664 | 6650 | 6669 |
| 512 | | | 7000 | 7081 | 7057 | 7067 |
| 2048 | | | | 11273 | 11575 | 11762 |
| 8192 | | | | | | 11215 |
read_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 77578 | 36312 | 33892 | 33571 | 33379 | 33638 |
| 64 | 39550 | 38306 | 38567 | 40088 | 38369 | 56631 |
| 512 | | | 38304 | 39267 | 39405 | 49710 |
| 2048 | | | | 64964 | 64496 | 67159 |
| 8192 | | | | | | 97789 |
reread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 83776 | 35843 | 33420 | 33470 | 36491 | 67923 |
| 64 | 32771 | 38652 | 37786 | 40112 | 58533 | 94886 |
| 512 | | | 35771 | 39429 | 65986 | 96837 |
| 2048 | | | | 103403 | 97612 | 102105 |
| 8192 | | | | | | 97861 |
randomread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 74852 | 32137 | 29852 | 34645 | 73502 | 73422 |
| 64 | 39556 | 37954 | 37785 | 39267 | 92435 | 93792 |
| 512 | | | 44323 | 45100 | 96351 | 96316 |
| 2048 | | | | 102297 | 98760 | 102222 |
| 8192 | | | | | | 98040 |
randomwrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 5295 | 3201 | 3173 | 3946 | 3355 | 3137 |
| 64 | 6452 | 6759 | 6658 | 13879 | 9819 | 7990 |
| 512 | | | 16972 | 16972 | 16529 | 9414 |
| 2048 | | | | 16793 | 15520 | 14652 |
| 8192 | | | | | | 10127 |
bkwdread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 72331 | 34376 | 32608 | 32799 | 32333 | 41514 |
| 64 | 36781 | 37442 | 38303 | 99273 | 38054 | 45675 |
| 512 | | | 98975 | 93464 | 63913 | 45996 |
| 2048 | | | | 99712 | 63790 | 66924 |
| 8192 | | | | | | 64357 |
recrewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 5577 | 3429 | 3486 | 3466 | 3557 | 3222 |
| 64 | 6786 | 6726 | 6698 | 6747 | 9122 | 8465 |
| 512 | | | 16561 | 14068 | 13943 | 11649 |
| 2048 | | | | 16772 | 14971 | 13339 |
| 8192 | | | | | | 11488 |
strideread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 209851 | 32137 | 31865 | 31729 | 31812 | 45069 |
| 64 | 38118 | 41117 | 39061 | 39803 | 38065 | 43833 |
| 512 | | | 81044 | 79984 | 63130 | 55347 |
| 2048 | | | | 103402 | 81097 | 66791 |
| 8192 | | | | | | 97861 |
fwrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2548 | 1977 | 1956 | 1937 | 1849 | 1784 |
| 64 | 6203 | 7313 | 6014 | 5712 | 7841 | 6367 |
| 512 | | | 21523 | 14713 | 11186 | 11266 |
| 2048 | | | | 16464 | 20563 | 15435 |
| 8192 | | | | | | 13936 |
frewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3266 | 3185 | 3123 | 3104 | 2994 | 2975 |
| 64 | 3666 | 8152 | 6592 | 6393 | 6289 | 6211 |
| 512 | | | 21973 | 13362 | 11501 | 10855 |
| 2048 | | | | 14447 | 18677 | 13228 |
| 8192 | | | | | | 11625 |
fread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 34369 | 35393 | 33553 | 33654 | 33630 | 33992 |
| 64 | 38835 | 37954 | 38478 | 38194 | 38413 | 47418 |
| 512 | | | 66051 | 66444 | 66708 | 63761 |
| 2048 | | | | 74232 | 65312 | 65185 |
| 8192 | | | | | | 87810 |
freread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 40328 | 35849 | 33123 | 33337 | 70640 | 82493 |
| 64 | 39556 | 40138 | 37786 | 38281 | 38369 | 98798 |
| 512 | | | 66312 | 66510 | 66642 | 69814 |
| 2048 | | | | 64711 | 88125 | 81269 |
| 8192 | | | | | | 97152 |
write_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2413 | 1897 | 1867 | 1937 | 1928 | 2070 |
| 64 | 5974 | 6177 | 6102 | 6104 | 6021 | 5917 |
| 512 | | | 10727 | 6942 | 6800 | 7622 |
| 2048 | | | | 16639 | 11036 | 11696 |
| 8192 | | | | | | 12406 |
rewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 4017 | 3089 | 3088 | 3085 | 3111 | 3206 |
| 64 | 6808 | 6721 | 6680 | 6658 | 6718 | 6723 |
| 512 | | | 16810 | 7027 | 7002 | 7127 |
| 2048 | | | | 16656 | 11384 | 11387 |
| 8192 | | | | | | 13233 |
read_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 63487 | 35995 | 34414 | 34291 | 34248 | 38701 |
| 64 | 41106 | 40519 | 39060 | 40524 | 39164 | 54504 |
| 512 | | | 98395 | 41044 | 40894 | 41038 |
| 2048 | | | | 80948 | 68372 | 64295 |
| 8192 | | | | | | 101602 |
reread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 74852 | 36152 | 33892 | 34047 | 67378 | 84148 |
| 64 | 34951 | 37953 | 39152 | 40426 | 46170 | 100649 |
| 512 | | | 96139 | 44530 | 44501 | 102221 |
| 2048 | | | | 80849 | 102610 | 92340 |
| 8192 | | | | | | 101487 |
randomread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 59929 | 31772 | 31038 | 30996 | 76129 | 75487 |
| 64 | 39556 | 38129 | 38435 | 65664 | 95526 | 99863 |
| 512 | | | 98103 | 102610 | 101680 | 101410 |
| 2048 | | | | 87836 | 102221 | 97541 |
| 8192 | | | | | | 101989 |
randomwrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 4144 | 3033 | 3028 | 3017 | 3694 | 3356 |
| 64 | 6764 | 6726 | 6727 | 15581 | 10836 | 8412 |
| 512 | | | 13690 | 16631 | 14969 | 12586 |
| 2048 | | | | 16598 | 16041 | 13150 |
| 8192 | | | | | | 13886 |
bkwdread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 43682 | 34806 | 33588 | 33587 | 33312 | 44274 |
| 64 | 38118 | 39751 | 38745 | 49931 | 38914 | 39999 |
| 512 | | | 82234 | 83571 | 67648 | 70454 |
| 2048 | | | | 97537 | 84307 | 68758 |
| 8192 | | | | | | 98112 |
recrewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 4368 | 3269 | 3290 | 3277 | 3767 | 3376 |
| 64 | 6721 | 6748 | 6736 | 6723 | 9953 | 8572 |
| 512 | | | 12096 | 13963 | 14089 | 10755 |
| 2048 | | | | 16785 | 15475 | 13047 |
| 8192 | | | | | | 14062 |
strideread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 160819 | 34233 | 32356 | 32624 | 32791 | 33033 |
| 64 | 39556 | 41118 | 42473 | 40770 | 38802 | 40275 |
| 512 | | | 63912 | 83989 | 66214 | 41145 |
| 2048 | | | | 98980 | 67209 | 64776 |
| 8192 | | | | | | 101180 |
fwrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2614 | 1858 | 1823 | 1822 | 2059 | 1872 |
| 64 | 6008 | 7250 | 6016 | 5800 | 5758 | 6584 |
| 512 | | | 17476 | 10992 | 11264 | 11663 |
| 2048 | | | | 16516 | 24035 | 15575 |
| 8192 | | | | | | 12120 |
frewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 4087 | 3020 | 2968 | 2938 | 3121 | 3093 |
| 64 | 6830 | 8066 | 6574 | 6333 | 6301 | 6217 |
| 512 | | | 18861 | 8139 | 11694 | 10925 |
| 2048 | | | | 15321 | 18152 | 13359 |
| 8192 | | | | | | 11139 |
fread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 26545 | 34806 | 33996 | 33859 | 33604 | 45046 |
| 64 | 32259 | 38129 | 40089 | 40894 | 40758 | 40733 |
| 512 | | | 66312 | 39359 | 64372 | 64667 |
| 2048 | | | | 84307 | 65662 | 66675 |
| 8192 | | | | | | 97258 |
freread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 38812 | 35694 | 33824 | 33773 | 33714 | 83183 |
| 64 | 39556 | 38652 | 39521 | 40672 | 39874 | 89091 |
| 512 | | | 64524 | 58762 | 64248 | 92340 |
| 2048 | | | | 84519 | 65761 | 95087 |
| 8192 | | | | | | 97399 |