Tests by date
JFFS2, 2008-12-04
write_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 7464 | 5801 | 6725 | 7106 | 9296 | 7548 |
| 64 | 7108 | 5805 | 6490 | 6663 | 7451 | 7351 |
| 512 | | | 6549 | 6756 | 8039 | 7359 |
| 2048 | | | | 6728 | 8163 | 7363 |
| 8192 | | | | | | 7947 |
rewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 7516 | 5987 | 6931 | 7103 | 7065 | 7114 |
| 64 | 6853 | 6996 | 6974 | 7025 | 6746 | 6738 |
| 512 | | | 6773 | 7131 | 7005 | 6787 |
| 2048 | | | | 7099 | 7019 | 6891 |
| 8192 | | | | | | 7010 |
read_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 36137 | 34233 | 33387 | 33437 | 33604 | 37163 |
| 64 | 39556 | 38305 | 38435 | 38791 | 38380 | 39945 |
| 512 | | | 38746 | 39108 | 39108 | 41890 |
| 2048 | | | | 39153 | 39084 | 49481 |
| 8192 | | | | | | 97223 |
reread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 39550 | 33290 | 33124 | 32545 | 33345 | 74399 |
| 64 | 31774 | 38840 | 38173 | 38635 | 38293 | 89987 |
| 512 | | | 39015 | 39175 | 52966 | 98219 |
| 2048 | | | | 63912 | 71619 | 96664 |
| 8192 | | | | | | 98652 |
randomread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 36137 | 30951 | 30038 | 28412 | 65985 | 75233 |
| 64 | 38812 | 37779 | 38216 | 39198 | 66808 | 96627 |
| 512 | | | 38567 | 39429 | 97682 | 98182 |
| 2048 | | | | 65343 | 96419 | 92819 |
| 8192 | | | | | | 98471 |
randomwrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 6921 | 5821 | 6666 | 11257 | 12088 | 8820 |
| 64 | 7256 | 5961 | 6658 | 6804 | 12701 | 8938 |
| 512 | | | 7178 | 14903 | 12530 | 8441 |
| 2048 | | | | 15672 | 11035 | 8633 |
| 8192 | | | | | | 8666 |
bkwdread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 33283 | 33023 | 33287 | 54471 | 32078 | 39313 |
| 64 | 37427 | 38128 | 38435 | 39826 | 38140 | 39319 |
| 512 | | | 39756 | 67107 | 36581 | 39463 |
| 2048 | | | | 81147 | 37595 | 47468 |
| 8192 | | | | | | 61160 |
recrewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 8524 | 8264 | 7970 | 12683 | 12206 | 10135 |
| 64 | 6830 | 6944 | 6704 | 6957 | 9833 | 8279 |
| 512 | | | 11475 | 11322 | 12394 | 8977 |
| 2048 | | | | 11015 | 10498 | 8569 |
| 8192 | | | | | | 8601 |
strideread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 63487 | 32388 | 32232 | 34735 | 31774 | 34512 |
| 64 | 32751 | 39567 | 42581 | 40474 | 38075 | 38999 |
| 512 | | | 63912 | 64402 | 42313 | 40136 |
| 2048 | | | | 66181 | 39336 | 42447 |
| 8192 | | | | | | 74297 |
fwrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 7133 | 5679 | 6285 | 6437 | 6530 | 7550 |
| 64 | 6636 | 8042 | 5901 | 6181 | 6305 | 7000 |
| 512 | | | 17485 | 11335 | 8296 | 7910 |
| 2048 | | | | 10335 | 10913 | 12121 |
| 8192 | | | | | | 9004 |
frewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 6574 | 5870 | 6486 | 6821 | 6712 | 6583 |
| 64 | 6636 | 7839 | 6467 | 6547 | 6443 | 6453 |
| 512 | | | 11667 | 7821 | 7146 | 6689 |
| 2048 | | | | 7067 | 11528 | 8229 |
| 8192 | | | | | | 8550 |
fread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 27599 | 33420 | 32994 | 33222 | 32592 | 37553 |
| 64 | 37427 | 38301 | 38745 | 38656 | 39533 | 39774 |
| 512 | | | 40426 | 39359 | 38184 | 39969 |
| 2048 | | | | 39382 | 39638 | 42379 |
| 8192 | | | | | | 72043 |
freread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 36137 | 34376 | 33189 | 33107 | 34099 | 71107 |
| 64 | 39556 | 38659 | 38303 | 38347 | 39945 | 71146 |
| 512 | | | 40573 | 40064 | 44560 | 93595 |
| 2048 | | | | 63852 | 64651 | 75678 |
| 8192 | | | | | | 99272 |
write_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 15194 | 7108 | 7061 | 10230 | 10878 | 9067 |
| 64 | 7516 | 6915 | 6877 | 10485 | 10686 | 8120 |
| 512 | | | 6962 | 10650 | 10824 | 8790 |
| 2048 | | | | 11026 | 11300 | 8462 |
| 8192 | | | | | | 10920 |
rewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 14869 | 7332 | 7345 | 7327 | 7201 | 7191 |
| 64 | 7410 | 7121 | 7133 | 9974 | 6945 | 6954 |
| 512 | | | 7177 | 8698 | 7427 | 7028 |
| 2048 | | | | 11136 | 7066 | 7032 |
| 8192 | | | | | | 9173 |
read_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 77556 | 35694 | 34378 | 34238 | 34212 | 42970 |
| 64 | 41100 | 39567 | 39802 | 39945 | 41656 | 45024 |
| 512 | | | 40573 | 40721 | 39874 | 45512 |
| 2048 | | | | 63610 | 43365 | 55819 |
| 8192 | | | | | | 98797 |
reread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 83750 | 34664 | 34168 | 36353 | 46700 | 83313 |
| 64 | 41106 | 39944 | 39897 | 40869 | 71165 | 97470 |
| 512 | | | 39992 | 40845 | 98182 | 99567 |
| 2048 | | | | 66905 | 98253 | 98980 |
| 8192 | | | | | | 99017 |
randomread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 61664 | 32140 | 30869 | 47493 | 76739 | 76871 |
| 64 | 39579 | 38828 | 39614 | 63368 | 96557 | 97013 |
| 512 | | | 40426 | 77578 | 97898 | 99346 |
| 2048 | | | | 69762 | 98182 | 99604 |
| 8192 | | | | | | 98761 |
randomwrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 12190 | 7043 | 7116 | 15917 | 13171 | 9609 |
| 64 | 7332 | 6961 | 7101 | 15391 | 14962 | 9362 |
| 512 | | | 11503 | 16186 | 13944 | 9509 |
| 2048 | | | | 16209 | 13500 | 9323 |
| 8192 | | | | | | 9605 |
bkwdread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 58226 | 34237 | 33688 | 69254 | 33230 | 49646 |
| 64 | 38118 | 40132 | 40329 | 65408 | 63730 | 48506 |
| 512 | | | 97534 | 83259 | 39910 | 48305 |
| 2048 | | | | 85931 | 63914 | 65122 |
| 8192 | | | | | | 82064 |
recrewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 14662 | 8371 | 8531 | 13590 | 12826 | 10640 |
| 64 | 7681 | 7025 | 7124 | 11278 | 13411 | 10300 |
| 512 | | | 15790 | 12975 | 13812 | 9612 |
| 2048 | | | | 14119 | 13096 | 9409 |
| 8192 | | | | | | 9214 |
strideread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 139724 | 33821 | 32895 | 53134 | 32632 | 40690 |
| 64 | 39556 | 42800 | 43745 | 64278 | 41566 | 48717 |
| 512 | | | 68477 | 66310 | 64838 | 44649 |
| 2048 | | | | 82751 | 42608 | 50174 |
| 8192 | | | | | | 83494 |
fwrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 12190 | 6673 | 6661 | 10209 | 12344 | 11399 |
| 64 | 7435 | 8135 | 6756 | 10038 | 10105 | 10805 |
| 512 | | | 17613 | 12277 | 10919 | 9608 |
| 2048 | | | | 12722 | 23140 | 14162 |
| 8192 | | | | | | 11645 |
frewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 7823 | 6909 | 6861 | 10436 | 9046 | 7002 |
| 64 | 7331 | 8499 | 6917 | 10325 | 7303 | 8267 |
| 512 | | | 18935 | 12775 | 7230 | 6801 |
| 2048 | | | | 10976 | 18076 | 11087 |
| 8192 | | | | | | 9449 |
fread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 33842 | 35097 | 33654 | 54648 | 33470 | 50240 |
| 64 | 39556 | 40719 | 39992 | 62601 | 40426 | 54065 |
| 512 | | | 65027 | 63854 | 40112 | 53504 |
| 2048 | | | | 61623 | 65185 | 65249 |
| 8192 | | | | | | 93044 |
freread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 39579 | 35393 | 33321 | 54339 | 53967 | 81964 |
| 64 | 40322 | 40920 | 39614 | 62542 | 63975 | 91118 |
| 512 | | | 63308 | 64402 | 66377 | 99310 |
| 2048 | | | | 66116 | 69578 | 98724 |
| 8192 | | | | | | 99530 |
write_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 15530 | 7194 | 7154 | 11314 | 12599 | 12260 |
| 64 | 15194 | 6950 | 10922 | 16104 | 11807 | 12182 |
| 512 | | | 11099 | 15621 | 12038 | 11120 |
| 2048 | | | | 16268 | 13774 | 10721 |
| 8192 | | | | | | 12515 |
rewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 16380 | 7384 | 7421 | 11600 | 10596 | 11461 |
| 64 | 15766 | 7151 | 11389 | 11695 | 11107 | 10046 |
| 512 | | | 11463 | 11469 | 10807 | 7057 |
| 2048 | | | | 13362 | 11426 | 7095 |
| 8192 | | | | | | 11917 |
read_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 83881 | 37954 | 37035 | 60240 | 45451 | 55324 |
| 64 | 87433 | 41117 | 64524 | 66971 | 64901 | 60759 |
| 512 | | | 68062 | 66772 | 43365 | 68565 |
| 2048 | | | | 67512 | 96907 | 100050 |
| 8192 | | | | | | 101143 |
reread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 87319 | 37779 | 36912 | 59386 | 90381 | 90902 |
| 64 | 87319 | 41524 | 64401 | 66310 | 99123 | 100839 |
| 512 | | | 67240 | 66377 | 101065 | 101679 |
| 2048 | | | | 102139 | 101756 | 100725 |
| 8192 | | | | | | 101143 |
randomread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 80607 | 33551 | 33123 | 77314 | 83054 | 82722 |
| 64 | 87319 | 41118 | 63547 | 97116 | 99787 | 99975 |
| 512 | | | 99863 | 101986 | 101678 | 101641 |
| 2048 | | | | 102925 | 102533 | 100424 |
| 8192 | | | | | | 101143 |
randomwrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 16129 | 7218 | 14646 | 16623 | 16163 | 11973 |
| 64 | 15529 | 7114 | 11278 | 16492 | 15985 | 13221 |
| 512 | | | 17260 | 16929 | 15621 | 10927 |
| 2048 | | | | 17102 | 15716 | 12877 |
| 8192 | | | | | | 13466 |
bkwdread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 74852 | 35694 | 89480 | 88765 | 52224 | 60052 |
| 64 | 80607 | 40718 | 98691 | 103722 | 65728 | 65712 |
| 512 | | | 103875 | 101672 | 64589 | 67837 |
| 2048 | | | | 101829 | 66806 | 83286 |
| 8192 | | | | | | 98907 |
recrewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 18556 | 8499 | 19925 | 16718 | 14428 | 11147 |
| 64 | 15648 | 7188 | 16827 | 16606 | 14708 | 13302 |
| 512 | | | 17136 | 13740 | 16559 | 12821 |
| 2048 | | | | 16882 | 15876 | 11949 |
| 8192 | | | | | | 10785 |
strideread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 209851 | 35545 | 86919 | 66182 | 37355 | 49710 |
| 64 | 83881 | 44144 | 108576 | 100010 | 65600 | 69795 |
| 512 | | | 105178 | 80369 | 67140 | 71315 |
| 2048 | | | | 101986 | 76172 | 70958 |
| 8192 | | | | | | 100762 |
fwrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 15307 | 6786 | 10976 | 11590 | 13898 | 12263 |
| 64 | 15194 | 8207 | 11662 | 10448 | 12161 | 11777 |
| 512 | | | 26234 | 13879 | 13872 | 12348 |
| 2048 | | | | 13631 | 25400 | 15425 |
| 8192 | | | | | | 12577 |
frewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 15885 | 6978 | 10919 | 10913 | 10634 | 10583 |
| 64 | 12555 | 8595 | 11103 | 10684 | 10410 | 11129 |
| 512 | | | 23204 | 13494 | 9908 | 10306 |
| 2048 | | | | 11424 | 21294 | 13458 |
| 8192 | | | | | | 12718 |
fread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 72331 | 36951 | 59917 | 55691 | 54984 | 83055 |
| 64 | 41100 | 41524 | 68062 | 67715 | 66840 | 71032 |
| 512 | | | 67922 | 68476 | 98110 | 83184 |
| 2048 | | | | 66973 | 99788 | 98870 |
| 8192 | | | | | | 99789 |
freread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 83776 | 37448 | 58254 | 55050 | 82091 | 89927 |
| 64 | 41935 | 42153 | 66051 | 63852 | 67411 | 99163 |
| 512 | | | 67244 | 97966 | 100837 | 100762 |
| 2048 | | | | 97966 | 100161 | 100199 |
| 8192 | | | | | | 100310 |