Tests by date
UBIFS, 2008-11-23
write_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2060 | 2042 | 2042 | 2045 | 2113 | 2081 |
| 64 | 5991 | 6145 | 6174 | 6132 | 6081 | 6053 |
| 512 | | | 6952 | 6930 | 7090 | 8669 |
| 2048 | | | | 11250 | 11044 | 12026 |
| 8192 | | | | | | 11011 |
rewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3286 | 3266 | 3252 | 3235 | 3234 | 3150 |
| 64 | 6897 | 6492 | 6708 | 6739 | 6732 | 6692 |
| 512 | | | 7131 | 7148 | 7099 | 7102 |
| 2048 | | | | 11393 | 11335 | 11284 |
| 8192 | | | | | | 11398 |
read_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 33824 | 38479 | 37784 | 36060 | 36501 | 46170 |
| 64 | 33811 | 38479 | 39290 | 40894 | 38982 | 55611 |
| 512 | | | 38612 | 41322 | 49037 | 39204 |
| 2048 | | | | 64340 | 63791 | 64917 |
| 8192 | | | | | | 103085 |
reread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 44596 | 39384 | 36671 | 36118 | 40390 | 90810 |
| 64 | 41935 | 38652 | 38656 | 41120 | 46250 | 100012 |
| 512 | | | 39383 | 41272 | 96836 | 88680 |
| 2048 | | | | 64339 | 64435 | 87295 |
| 8192 | | | | | | 102768 |
randomread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 36137 | 34096 | 32992 | 32388 | 80658 | 80321 |
| 64 | 33807 | 39751 | 38567 | 40377 | 95255 | 99272 |
| 512 | | | 38745 | 41552 | 95596 | 96143 |
| 2048 | | | | 64278 | 97185 | 97684 |
| 8192 | | | | | | 103085 |
randomwrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3158 | 3184 | 3177 | 3170 | 3571 | 3147 |
| 64 | 6808 | 6781 | 6735 | 14435 | 10824 | 8255 |
| 512 | | | 9828 | 16012 | 14964 | 12371 |
| 2048 | | | | 15883 | 16972 | 14200 |
| 8192 | | | | | | 12091 |
bkwdread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 37448 | 37279 | 35848 | 35582 | 36060 | 46668 |
| 64 | 38118 | 37448 | 38924 | 102769 | 38959 | 39785 |
| 512 | | | 95583 | 96281 | 63550 | 63897 |
| 2048 | | | | 98399 | 63339 | 64886 |
| 8192 | | | | | | 61893 |
recrewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3125 | 3486 | 3417 | 3497 | 3862 | 3137 |
| 64 | 6678 | 6803 | 6740 | 6765 | 9804 | 8506 |
| 512 | | | 17015 | 13472 | 11302 | 12509 |
| 2048 | | | | 16968 | 17093 | 13389 |
| 8192 | | | | | | 13001 |
strideread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 95251 | 34806 | 35431 | 34467 | 34816 | 35404 |
| 64 | 40328 | 40138 | 40232 | 40474 | 38971 | 40323 |
| 512 | | | 99261 | 66708 | 62894 | 66394 |
| 2048 | | | | 80367 | 91428 | 63852 |
| 8192 | | | | | | 60146 |
fwrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2109 | 1992 | 1943 | 1955 | 1954 | 1773 |
| 64 | 6259 | 7066 | 6051 | 5726 | 5633 | 6458 |
| 512 | | | 22595 | 12821 | 11326 | 11539 |
| 2048 | | | | 13871 | 20958 | 15562 |
| 8192 | | | | | | 10477 |
frewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3318 | 3134 | 3072 | 3079 | 3074 | 2931 |
| 64 | 6553 | 8176 | 6463 | 6348 | 6233 | 6222 |
| 512 | | | 22856 | 13421 | 11636 | 10884 |
| 2048 | | | | 14098 | 20598 | 13258 |
| 8192 | | | | | | 13674 |
fread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 36781 | 37953 | 36590 | 35488 | 36314 | 37143 |
| 64 | 39550 | 38129 | 38701 | 40402 | 38982 | 41469 |
| 512 | | | 66836 | 63852 | 66443 | 65873 |
| 2048 | | | | 83776 | 65344 | 66100 |
| 8192 | | | | | | 92277 |
freread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 42784 | 38299 | 36079 | 35619 | 42206 | 89717 |
| 64 | 41106 | 38305 | 38656 | 40894 | 39039 | 96662 |
| 512 | | | 66307 | 63610 | 66214 | 100124 |
| 2048 | | | | 83676 | 65248 | 76477 |
| 8192 | | | | | | 97969 |
write_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 1958 | 1915 | 1920 | 2082 | 1909 | 1897 |
| 64 | 6149 | 6096 | 6066 | 6122 | 6077 | 6072 |
| 512 | | | 6931 | 15318 | 14778 | 10212 |
| 2048 | | | | 11201 | 11149 | 11601 |
| 8192 | | | | | | 14788 |
rewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3226 | 3061 | 3097 | 3096 | 3078 | 3167 |
| 64 | 6786 | 6781 | 6702 | 6694 | 6598 | 6724 |
| 512 | | | 7053 | 11787 | 10446 | 7092 |
| 2048 | | | | 11309 | 11291 | 11416 |
| 8192 | | | | | | 14592 |
read_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 39550 | 35848 | 34448 | 34343 | 34022 | 46138 |
| 64 | 40304 | 38478 | 40819 | 40548 | 38847 | 40715 |
| 512 | | | 40670 | 67443 | 51841 | 43400 |
| 2048 | | | | 63974 | 63669 | 63730 |
| 8192 | | | | | | 98004 |
reread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 45550 | 36467 | 33996 | 34186 | 46202 | 84069 |
| 64 | 41100 | 38828 | 40524 | 40548 | 58635 | 73644 |
| 512 | | | 41070 | 67308 | 96211 | 100991 |
| 2048 | | | | 65470 | 68723 | 97365 |
| 8192 | | | | | | 97754 |
randomread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 38835 | 31772 | 30503 | 30953 | 75445 | 75317 |
| 64 | 39556 | 36786 | 40378 | 40112 | 95526 | 100310 |
| 512 | | | 40136 | 67042 | 96351 | 100499 |
| 2048 | | | | 96836 | 97540 | 97047 |
| 8192 | | | | | | 97754 |
randomwrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 2928 | 3042 | 3039 | 3011 | 3340 | 3404 |
| 64 | 6764 | 6678 | 11530 | 6704 | 10026 | 8235 |
| 512 | | | 7155 | 15155 | 15068 | 13157 |
| 2048 | | | | 16785 | 16352 | 13227 |
| 8192 | | | | | | 15072 |
bkwdread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 34374 | 33689 | 33756 | 32895 | 33074 | 42771 |
| 64 | 38118 | 39759 | 98103 | 40572 | 38802 | 55982 |
| 512 | | | 40720 | 103717 | 63700 | 66807 |
| 2048 | | | | 96553 | 63731 | 64065 |
| 8192 | | | | | | 97718 |
recrewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3241 | 3301 | 3321 | 3234 | 3517 | 3329 |
| 64 | 6831 | 6721 | 15672 | 6710 | 9228 | 8746 |
| 512 | | | 7090 | 16760 | 11285 | 10936 |
| 2048 | | | | 16537 | 15114 | 13811 |
| 8192 | | | | | | 14941 |
strideread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 104727 | 33826 | 32799 | 32624 | 32513 | 35615 |
| 64 | 39550 | 39567 | 110725 | 39993 | 38634 | 41923 |
| 512 | | | 41271 | 101677 | 63550 | 41152 |
| 2048 | | | | 96836 | 64187 | 65583 |
| 8192 | | | | | | 97933 |
fwrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 1902 | 1868 | 1847 | 1837 | 1816 | 1864 |
| 64 | 6149 | 7319 | 9377 | 5808 | 7810 | 6456 |
| 512 | | | 10806 | 13096 | 11191 | 9934 |
| 2048 | | | | 16557 | 24205 | 16296 |
| 8192 | | | | | | 14856 |
frewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3201 | 2981 | 2954 | 2905 | 2906 | 3032 |
| 64 | 6831 | 8004 | 7808 | 6353 | 6166 | 6232 |
| 512 | | | 11691 | 13333 | 11539 | 6819 |
| 2048 | | | | 12920 | 18879 | 13354 |
| 8192 | | | | | | 14438 |
fread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 34369 | 35545 | 33892 | 34204 | 34160 | 36511 |
| 64 | 39556 | 39012 | 40378 | 40745 | 38959 | 42520 |
| 512 | | | 40280 | 64652 | 66641 | 46570 |
| 2048 | | | | 66974 | 65792 | 65905 |
| 8192 | | | | | | 64203 |
freread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 41106 | 35844 | 33996 | 34414 | 46123 | 84652 |
| 64 | 40322 | 39378 | 40426 | 40401 | 38903 | 100764 |
| 512 | | | 38435 | 64156 | 66874 | 96942 |
| 2048 | | | | 66707 | 65856 | 98980 |
| 8192 | | | | | | 97684 |
write_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3236 | 2029 | 2042 | 2179 | 2086 | 2078 |
| 64 | 13886 | 6069 | 5934 | 6144 | 6158 | 6083 |
| 512 | | | 6944 | 6955 | 14991 | 7912 |
| 2048 | | | | 11311 | 11333 | 11962 |
| 8192 | | | | | | 12742 |
rewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 6078 | 3257 | 3256 | 3217 | 3233 | 3177 |
| 64 | 16909 | 6819 | 6804 | 6768 | 6568 | 6638 |
| 512 | | | 7149 | 7133 | 11496 | 7106 |
| 2048 | | | | 11355 | 11412 | 11431 |
| 8192 | | | | | | 10445 |
read_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 99858 | 36786 | 34378 | 33705 | 33537 | 42359 |
| 64 | 104768 | 40525 | 39614 | 41146 | 39164 | 43926 |
| 512 | | | 39660 | 44295 | 64218 | 41662 |
| 2048 | | | | 63790 | 64403 | 68705 |
| 8192 | | | | | | 96802 |
reread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 104932 | 37117 | 34030 | 33537 | 67040 | 82722 |
| 64 | 110142 | 38654 | 39152 | 40696 | 39897 | 100915 |
| 512 | | | 99563 | 102456 | 78673 | 93923 |
| 2048 | | | | 83052 | 67176 | 101411 |
| 8192 | | | | | | 97222 |
randomread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 95251 | 29123 | 30982 | 32656 | 75233 | 74793 |
| 64 | 104727 | 37959 | 39475 | 40427 | 96075 | 100199 |
| 512 | | | 98689 | 101829 | 97257 | 103045 |
| 2048 | | | | 97541 | 98326 | 102887 |
| 8192 | | | | | | 97505 |
randomwrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 6095 | 3179 | 3153 | 3969 | 3707 | 3360 |
| 64 | 16128 | 6748 | 6692 | 6728 | 11186 | 7944 |
| 512 | | | 17215 | 17002 | 16998 | 12763 |
| 2048 | | | | 17023 | 17008 | 13681 |
| 8192 | | | | | | 11257 |
bkwdread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 91051 | 35388 | 33859 | 33320 | 33271 | 46202 |
| 64 | 99709 | 37786 | 39660 | 41170 | 39153 | 41151 |
| 512 | | | 101365 | 104526 | 62281 | 66576 |
| 2048 | | | | 97399 | 63669 | 73604 |
| 8192 | | | | | | 97258 |
recrewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 5744 | 3398 | 3417 | 3516 | 3802 | 3297 |
| 64 | 16913 | 6853 | 6493 | 6824 | 10537 | 8490 |
| 512 | | | 17075 | 16848 | 14527 | 13514 |
| 2048 | | | | 17093 | 15432 | 13088 |
| 8192 | | | | | | 13309 |
strideread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 261080 | 33420 | 32799 | 32341 | 32124 | 39113 |
| 64 | 104727 | 39944 | 41889 | 39969 | 46377 | 40901 |
| 512 | | | 96411 | 104526 | 64683 | 67124 |
| 2048 | | | | 93074 | 64526 | 67700 |
| 8192 | | | | | | 87952 |
fwrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 3477 | 1992 | 1959 | 1956 | 2066 | 1865 |
| 64 | 14767 | 7108 | 6063 | 5877 | 7720 | 6538 |
| 512 | | | 26112 | 17595 | 11313 | 10671 |
| 2048 | | | | 16602 | 23667 | 15627 |
| 8192 | | | | | | 11346 |
frewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 6185 | 3110 | 3074 | 3069 | 3068 | 3040 |
| 64 | 15884 | 8191 | 6641 | 6428 | 6326 | 6229 |
| 512 | | | 28125 | 13402 | 11663 | 10967 |
| 2048 | | | | 14906 | 23522 | 13355 |
| 8192 | | | | | | 13619 |
fread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 87319 | 36001 | 34168 | 33638 | 33604 | 36959 |
| 64 | 99709 | 38479 | 40329 | 41297 | 39475 | 41070 |
| 512 | | | 67244 | 64156 | 67513 | 65122 |
| 2048 | | | | 83363 | 65695 | 65986 |
| 8192 | | | | | | 67411 |
freread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 104768 | 35995 | 33892 | 33370 | 32968 | 82824 |
| 64 | 104768 | 39017 | 39614 | 40919 | 45343 | 97969 |
| 512 | | | 66575 | 64463 | 67309 | 78329 |
| 2048 | | | | 82847 | 78305 | 93108 |
| 8192 | | | | | | 102493 |