Tests by date
JFFS2, 2008-11-29
write_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 12336 | 7114 | 7093 | 9992 | 11057 | 8065 |
| 64 | 12050 | 6847 | 6811 | 10457 | 8449 | 7429 |
| 512 | | | 6899 | 6742 | 11489 | 11202 |
| 2048 | | | | 11035 | 11591 | 11131 |
| 8192 | | | | | | 7775 |
rewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 12942 | 7275 | 6981 | 7314 | 7373 | 7145 |
| 64 | 8127 | 7049 | 7110 | 10333 | 6888 | 6880 |
| 512 | | | 7160 | 7100 | 6995 | 7452 |
| 2048 | | | | 10109 | 8117 | 7015 |
| 8192 | | | | | | 12372 |
read_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 46577 | 36312 | 34448 | 33841 | 35572 | 37675 |
| 64 | 38812 | 40518 | 37786 | 39152 | 39626 | 51741 |
| 512 | | | 40969 | 40233 | 62571 | 61511 |
| 2048 | | | | 40795 | 60813 | 88973 |
| 8192 | | | | | | 100088 |
reread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 61650 | 34665 | 33519 | 33553 | 83260 | 83416 |
| 64 | 39550 | 39012 | 37956 | 38880 | 94119 | 96697 |
| 512 | | | 41068 | 40524 | 100012 | 99641 |
| 2048 | | | | 97677 | 101677 | 98579 |
| 8192 | | | | | | 100123 |
randomread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 59876 | 32261 | 31387 | 50685 | 76781 | 76651 |
| 64 | 38118 | 38123 | 37871 | 71162 | 93594 | 95698 |
| 512 | | | 40819 | 40402 | 100012 | 99235 |
| 2048 | | | | 96421 | 101834 | 98760 |
| 8192 | | | | | | 100088 |
randomwrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 12118 | 7169 | 7081 | 15894 | 14855 | 11578 |
| 64 | 7256 | 7061 | 6993 | 15838 | 15114 | 9032 |
| 512 | | | 12520 | 12550 | 12435 | 9015 |
| 2048 | | | | 16874 | 11056 | 12139 |
| 8192 | | | | | | 10331 |
bkwdread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 58226 | 34806 | 33485 | 78305 | 54272 | 41929 |
| 64 | 36781 | 37953 | 38042 | 64156 | 61936 | 50071 |
| 512 | | | 103873 | 102140 | 40329 | 57542 |
| 2048 | | | | 97255 | 52633 | 64980 |
| 8192 | | | | | | 99752 |
recrewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 14662 | 8346 | 8309 | 15657 | 11697 | 10852 |
| 64 | 7652 | 7025 | 7086 | 10913 | 11099 | 10874 |
| 512 | | | 16335 | 16751 | 12883 | 12541 |
| 2048 | | | | 16159 | 16320 | 10237 |
| 8192 | | | | | | 9115 |
strideread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 160819 | 32640 | 31834 | 52223 | 32302 | 36681 |
| 64 | 38118 | 39197 | 42258 | 64096 | 61936 | 38724 |
| 512 | | | 66442 | 101527 | 40293 | 63057 |
| 2048 | | | | 97254 | 67073 | 64932 |
| 8192 | | | | | | 58482 |
fwrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 11980 | 6710 | 6461 | 10082 | 6442 | 11414 |
| 64 | 7436 | 8191 | 6737 | 9084 | 9340 | 8307 |
| 512 | | | 17512 | 12900 | 13599 | 11073 |
| 2048 | | | | 13252 | 24044 | 14889 |
| 8192 | | | | | | 11090 |
frewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 11649 | 5749 | 6432 | 10761 | 6741 | 6713 |
| 64 | 7230 | 8481 | 6914 | 6633 | 7595 | 10623 |
| 512 | | | 18818 | 12738 | 8040 | 6727 |
| 2048 | | | | 10992 | 11529 | 10746 |
| 8192 | | | | | | 10927 |
fread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 52375 | 34806 | 33025 | 54559 | 33238 | 37925 |
| 64 | 38118 | 39751 | 39567 | 37722 | 43933 | 62776 |
| 512 | | | 66312 | 65152 | 40005 | 40970 |
| 2048 | | | | 64402 | 91553 | 59414 |
| 8192 | | | | | | 73664 |
freread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 59876 | 35247 | 33091 | 53557 | 39198 | 82341 |
| 64 | 38835 | 40328 | 39244 | 37262 | 97116 | 69148 |
| 512 | | | 65662 | 64156 | 69650 | 99126 |
| 2048 | | | | 64402 | 82747 | 99419 |
| 8192 | | | | | | 100124 |
write_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 12050 | 7126 | 7068 | 10883 | 11040 | 11232 |
| 64 | 7206 | 6859 | 6514 | 6666 | 7155 | 7190 |
| 512 | | | 11041 | 15606 | 11917 | 9525 |
| 2048 | | | | 6930 | 8319 | 11687 |
| 8192 | | | | | | 10121 |
rewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 12864 | 7326 | 7289 | 11620 | 8543 | 7187 |
| 64 | 7709 | 7096 | 7133 | 7046 | 6931 | 6775 |
| 512 | | | 11413 | 11461 | 7292 | 7023 |
| 2048 | | | | 6922 | 7060 | 7603 |
| 8192 | | | | | | 8121 |
read_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 61664 | 37448 | 34484 | 55691 | 34056 | 58559 |
| 64 | 41909 | 40913 | 39897 | 40304 | 40064 | 39354 |
| 512 | | | 66841 | 66773 | 46329 | 62644 |
| 2048 | | | | 41120 | 39791 | 57889 |
| 8192 | | | | | | 100876 |
reread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 67647 | 35242 | 33756 | 55279 | 65567 | 83990 |
| 64 | 34951 | 40913 | 40376 | 40426 | 92882 | 97363 |
| 512 | | | 67240 | 66840 | 101218 | 98798 |
| 2048 | | | | 101066 | 98326 | 100725 |
| 8192 | | | | | | 100915 |
randomread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 59862 | 34096 | 31358 | 50840 | 77004 | 77069 |
| 64 | 41132 | 40328 | 38042 | 74897 | 99272 | 96907 |
| 512 | | | 66841 | 65406 | 101218 | 98543 |
| 2048 | | | | 101986 | 97540 | 99493 |
| 8192 | | | | | | 100878 |
randomwrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 12864 | 7084 | 6724 | 10853 | 15279 | 9730 |
| 64 | 7409 | 7090 | 11114 | 15906 | 15437 | 12066 |
| 512 | | | 10655 | 15114 | 13349 | 9627 |
| 2048 | | | | 16777 | 14207 | 8712 |
| 8192 | | | | | | 9134 |
bkwdread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 55174 | 34376 | 33520 | 54648 | 54032 | 44881 |
| 64 | 38835 | 39938 | 102924 | 102925 | 65247 | 64218 |
| 512 | | | 66837 | 103080 | 40426 | 47359 |
| 2048 | | | | 101986 | 64589 | 100424 |
| 8192 | | | | | | 100650 |
recrewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 13527 | 8379 | 8353 | 13376 | 11834 | 10179 |
| 64 | 7738 | 7151 | 16776 | 11324 | 13606 | 9150 |
| 512 | | | 11475 | 11403 | 13809 | 12843 |
| 2048 | | | | 16047 | 11421 | 8975 |
| 8192 | | | | | | 9443 |
strideread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 174857 | 34515 | 32512 | 53302 | 32356 | 45328 |
| 64 | 40304 | 43463 | 108234 | 63850 | 65343 | 42299 |
| 512 | | | 69185 | 66116 | 66018 | 64558 |
| 2048 | | | | 99562 | 44281 | 60119 |
| 8192 | | | | | | 100688 |
fwrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 11982 | 6678 | 6623 | 10034 | 6205 | 10806 |
| 64 | 7462 | 8144 | 12363 | 10013 | 7943 | 7809 |
| 512 | | | 17431 | 12775 | 10990 | 11080 |
| 2048 | | | | 11015 | 21999 | 16379 |
| 8192 | | | | | | 9203 |
frewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 11651 | 6978 | 6843 | 9850 | 6660 | 6699 |
| 64 | 7281 | 8542 | 13486 | 6613 | 6454 | 6757 |
| 512 | | | 18850 | 11779 | 7188 | 6806 |
| 2048 | | | | 10978 | 18335 | 11350 |
| 8192 | | | | | | 10642 |
fread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 55174 | 34948 | 33222 | 33041 | 33164 | 46700 |
| 64 | 40328 | 38124 | 65792 | 40720 | 40100 | 98616 |
| 512 | | | 66576 | 39614 | 40208 | 58368 |
| 2048 | | | | 66377 | 65663 | 42406 |
| 8192 | | | | | | 74627 |
freread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 61664 | 35393 | 33156 | 33271 | 40585 | 82416 |
| 64 | 41106 | 38478 | 63792 | 40646 | 55993 | 98254 |
| 512 | | | 67107 | 39992 | 40402 | 100460 |
| 2048 | | | | 66640 | 99939 | 99457 |
| 8192 | | | | | | 99236 |
write_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 7570 | 16162 | 7127 | 11201 | 7590 | 7550 |
| 64 | 18724 | 6881 | 6864 | 8707 | 12748 | 7812 |
| 512 | | | 11073 | 6942 | 12634 | 8351 |
| 2048 | | | | 15679 | 8957 | 7275 |
| 8192 | | | | | | 9892 |
rewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 7488 | 17189 | 7342 | 11205 | 7189 | 7185 |
| 64 | 7231 | 7037 | 6751 | 6873 | 9536 | 6934 |
| 512 | | | 11444 | 6930 | 11362 | 7005 |
| 2048 | | | | 11528 | 7023 | 7038 |
| 8192 | | | | | | 8482 |
read_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 38139 | 89224 | 34485 | 55738 | 33901 | 46741 |
| 64 | 104727 | 39012 | 37784 | 40450 | 38858 | 51257 |
| 512 | | | 66971 | 40994 | 66410 | 44194 |
| 2048 | | | | 67785 | 58687 | 100650 |
| 8192 | | | | | | 100686 |
reread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 40304 | 90168 | 33789 | 55278 | 36671 | 83624 |
| 64 | 110323 | 39567 | 38880 | 40305 | 57952 | 96872 |
| 512 | | | 62136 | 41095 | 66311 | 98255 |
| 2048 | | | | 82643 | 97751 | 100349 |
| 8192 | | | | | | 100611 |
randomread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 36156 | 83035 | 31010 | 50801 | 76345 | 76390 |
| 64 | 104727 | 38835 | 38391 | 40016 | 94720 | 96350 |
| 512 | | | 63429 | 40377 | 69113 | 98147 |
| 2048 | | | | 102139 | 97470 | 100725 |
| 8192 | | | | | | 100612 |
randomwrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 7883 | 16912 | 7083 | 16151 | 13943 | 12875 |
| 64 | 19064 | 6990 | 11048 | 7067 | 15370 | 12383 |
| 512 | | | 11436 | 16773 | 13627 | 10728 |
| 2048 | | | | 16031 | 13663 | 8631 |
| 8192 | | | | | | 10593 |
bkwdread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 33807 | 86486 | 32543 | 81740 | 53070 | 52987 |
| 64 | 99858 | 40519 | 98111 | 40377 | 38768 | 63791 |
| 512 | | | 67787 | 103085 | 66378 | 52914 |
| 2048 | | | | 101986 | 64064 | 57065 |
| 8192 | | | | | | 100574 |
recrewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 8524 | 19371 | 7943 | 12885 | 12506 | 11609 |
| 64 | 19059 | 6938 | 16578 | 6906 | 13066 | 11457 |
| 512 | | | 11503 | 11455 | 10976 | 8752 |
| 2048 | | | | 16886 | 12793 | 8655 |
| 8192 | | | | | | 9734 |
strideread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 91175 | 84712 | 32513 | 52428 | 34916 | 41489 |
| 64 | 104727 | 41118 | 103246 | 40257 | 62513 | 40739 |
| 512 | | | 66576 | 68337 | 41272 | 43605 |
| 2048 | | | | 103241 | 43198 | 58266 |
| 8192 | | | | | | 100312 |
fwrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 6989 | 6668 | 6680 | 10515 | 12265 | 12129 |
| 64 | 18233 | 8128 | 11606 | 6509 | 10031 | 10965 |
| 512 | | | 17567 | 11640 | 13888 | 8321 |
| 2048 | | | | 13125 | 23037 | 14243 |
| 8192 | | | | | | 11718 |
frewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 17048 | 6996 | 6846 | 10427 | 9495 | 10479 |
| 64 | 18724 | 6978 | 11066 | 6531 | 10306 | 10252 |
| 512 | | | 18957 | 11839 | 7166 | 6798 |
| 2048 | | | | 13975 | 18874 | 13600 |
| 8192 | | | | | | 8113 |
fread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 87319 | 34239 | 33091 | 54783 | 54184 | 54218 |
| 64 | 95217 | 40328 | 65152 | 38701 | 64187 | 64341 |
| 512 | | | 67510 | 39267 | 39779 | 59231 |
| 2048 | | | | 64964 | 66182 | 42133 |
| 8192 | | | | | | 75849 |
freread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 95251 | 33689 | 32992 | 54164 | 53451 | 71183 |
| 64 | 99820 | 40525 | 62953 | 38745 | 63821 | 94419 |
| 512 | | | 66841 | 39686 | 42446 | 98797 |
| 2048 | | | | 66379 | 66279 | 100310 |
| 8192 | | | | | | 99308 |