Tests by date
JFFS2, 2008-11-30
write_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 7681 | 7031 | 7086 | 7087 | 6998 | 10180 |
| 64 | 7156 | 6915 | 6951 | 10337 | 12519 | 7434 |
| 512 | | | 6927 | 6692 | 11754 | 7650 |
| 2048 | | | | 10635 | 7700 | 7771 |
| 8192 | | | | | | 11966 |
rewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 7570 | 7358 | 7005 | 7310 | 7222 | 7214 |
| 64 | 7625 | 7090 | 7074 | 7067 | 11054 | 6691 |
| 512 | | | 6770 | 7124 | 8544 | 7032 |
| 2048 | | | | 11374 | 7049 | 7053 |
| 8192 | | | | | | 7743 |
read_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 37427 | 36311 | 34203 | 33337 | 33621 | 35796 |
| 64 | 40304 | 41727 | 41423 | 40646 | 66247 | 40396 |
| 512 | | | 38391 | 40920 | 40451 | 43365 |
| 2048 | | | | 66773 | 40919 | 66957 |
| 8192 | | | | | | 100237 |
reread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 41935 | 36628 | 33420 | 33487 | 36511 | 82849 |
| 64 | 40328 | 39757 | 40621 | 40450 | 66182 | 77047 |
| 512 | | | 39197 | 40944 | 65248 | 97931 |
| 2048 | | | | 66707 | 101296 | 98111 |
| 8192 | | | | | | 99235 |
randomread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 36137 | 32636 | 31039 | 38634 | 76389 | 76585 |
| 64 | 39556 | 39942 | 40572 | 40208 | 65985 | 99382 |
| 512 | | | 38478 | 45995 | 100161 | 98039 |
| 2048 | | | | 66642 | 102533 | 97612 |
| 8192 | | | | | | 95088 |
randomwrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 8004 | 7025 | 7113 | 15962 | 16312 | 9592 |
| 64 | 7306 | 7139 | 7107 | 15121 | 11000 | 9506 |
| 512 | | | 7192 | 16135 | 15107 | 12096 |
| 2048 | | | | 15283 | 12883 | 12760 |
| 8192 | | | | | | 9233 |
bkwdread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 30389 | 35247 | 33025 | 77402 | 32808 | 40106 |
| 64 | 38118 | 40921 | 40769 | 101829 | 40378 | 63715 |
| 512 | | | 37869 | 93987 | 40281 | 64496 |
| 2048 | | | | 101678 | 40512 | 64111 |
| 8192 | | | | | | 71487 |
recrewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 8422 | 6163 | 8479 | 13456 | 12096 | 10714 |
| 64 | 7409 | 7127 | 6705 | 11284 | 15063 | 10786 |
| 512 | | | 7038 | 13135 | 14607 | 10224 |
| 2048 | | | | 11436 | 14344 | 9404 |
| 8192 | | | | | | 9449 |
strideread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 91051 | 32640 | 32387 | 53050 | 32217 | 37020 |
| 64 | 38812 | 42574 | 44857 | 66772 | 40269 | 41215 |
| 512 | | | 39016 | 84303 | 40907 | 59638 |
| 2048 | | | | 66508 | 41007 | 97047 |
| 8192 | | | | | | 100537 |
fwrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 7488 | 6781 | 6610 | 10099 | 6094 | 11460 |
| 64 | 7383 | 8034 | 6769 | 9971 | 6301 | 10806 |
| 512 | | | 10873 | 13571 | 13130 | 12196 |
| 2048 | | | | 10653 | 22923 | 11905 |
| 8192 | | | | | | 9140 |
frewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 7383 | 6973 | 6385 | 10799 | 6667 | 6720 |
| 64 | 7306 | 8430 | 6955 | 6775 | 6495 | 10222 |
| 512 | | | 11844 | 13299 | 11459 | 9771 |
| 2048 | | | | 11380 | 18787 | 8186 |
| 8192 | | | | | | 8662 |
fread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 33824 | 35247 | 34030 | 54916 | 33403 | 37685 |
| 64 | 39556 | 38474 | 39428 | 40720 | 39534 | 66941 |
| 512 | | | 40524 | 64714 | 64808 | 65265 |
| 2048 | | | | 65922 | 65154 | 68408 |
| 8192 | | | | | | 63609 |
freread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 37448 | 35999 | 33156 | 54602 | 39096 | 81294 |
| 64 | 40328 | 38828 | 39567 | 40208 | 73584 | 98147 |
| 512 | | | 39662 | 64528 | 64776 | 80010 |
| 2048 | | | | 65921 | 65154 | 87125 |
| 8192 | | | | | | 98543 |
write_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 15647 | 7019 | 7121 | 9379 | 11272 | 10113 |
| 64 | 7409 | 6909 | 6892 | 10878 | 10087 | 7539 |
| 512 | | | 6999 | 11028 | 12736 | 9847 |
| 2048 | | | | 11005 | 11586 | 9840 |
| 8192 | | | | | | 11282 |
rewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 14977 | 7326 | 7376 | 7237 | 11009 | 7160 |
| 64 | 7280 | 7121 | 6657 | 7010 | 6873 | 6887 |
| 512 | | | 7142 | 9898 | 11185 | 7017 |
| 2048 | | | | 10990 | 11173 | 7026 |
| 8192 | | | | | | 8591 |
read_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 77578 | 35247 | 33961 | 31910 | 33571 | 55576 |
| 64 | 38118 | 39942 | 39242 | 38501 | 39175 | 44709 |
| 512 | | | 39061 | 39129 | 65953 | 63280 |
| 2048 | | | | 65856 | 65890 | 76455 |
| 8192 | | | | | | 98039 |
reread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 80607 | 33956 | 34168 | 45282 | 81147 | 78719 |
| 64 | 38835 | 38129 | 39107 | 38545 | 49326 | 96316 |
| 512 | | | 39152 | 76258 | 66148 | 99346 |
| 2048 | | | | 99713 | 65599 | 98112 |
| 8192 | | | | | | 98040 |
randomread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 72312 | 32140 | 29667 | 76000 | 75530 | 71449 |
| 64 | 38118 | 38123 | 38567 | 37490 | 87152 | 95290 |
| 512 | | | 97532 | 97967 | 68408 | 98943 |
| 2048 | | | | 99567 | 92625 | 97012 |
| 8192 | | | | | | 98004 |
randomwrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 16129 | 7049 | 7162 | 14739 | 14843 | 12301 |
| 64 | 7230 | 6967 | 7104 | 14665 | 15681 | 9275 |
| 512 | | | 17006 | 15872 | 13822 | 10774 |
| 2048 | | | | 16836 | 13838 | 12271 |
| 8192 | | | | | | 10726 |
bkwdread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 67579 | 33285 | 32704 | 66775 | 53092 | 54771 |
| 64 | 36156 | 39378 | 39336 | 96282 | 64126 | 43955 |
| 512 | | | 95318 | 64526 | 66018 | 63324 |
| 2048 | | | | 99273 | 45039 | 69290 |
| 8192 | | | | | | 97933 |
recrewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 17047 | 8346 | 7985 | 16245 | 11521 | 11480 |
| 64 | 7570 | 7145 | 7117 | 13013 | 10727 | 12511 |
| 512 | | | 13480 | 11099 | 11484 | 8758 |
| 2048 | | | | 16159 | 14924 | 8918 |
| 8192 | | | | | | 10579 |
strideread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 209196 | 32765 | 31805 | 64650 | 31536 | 48340 |
| 64 | 36786 | 43018 | 41372 | 62309 | 41553 | 63057 |
| 512 | | | 65531 | 63850 | 40957 | 45792 |
| 2048 | | | | 100756 | 48629 | 47126 |
| 8192 | | | | | | 98219 |
fwrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 15086 | 6689 | 6635 | 11212 | 6462 | 10500 |
| 64 | 7383 | 6657 | 6698 | 10283 | 11875 | 10861 |
| 512 | | | 17595 | 12775 | 13370 | 11407 |
| 2048 | | | | 10327 | 22060 | 14445 |
| 8192 | | | | | | 11905 |
frewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 5923 | 6887 | 6806 | 10354 | 6669 | 6636 |
| 64 | 7543 | 8422 | 6475 | 10234 | 10212 | 9243 |
| 512 | | | 19032 | 12814 | 7974 | 8551 |
| 2048 | | | | 10992 | 18263 | 13170 |
| 8192 | | | | | | 9327 |
fread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 65501 | 35091 | 33486 | 55141 | 33453 | 34780 |
| 64 | 37448 | 39567 | 38347 | 63428 | 62137 | 62938 |
| 512 | | | 62481 | 66508 | 39603 | 46226 |
| 2048 | | | | 65535 | 65631 | 64807 |
| 8192 | | | | | | 98870 |
freread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 77668 | 35694 | 33487 | 54737 | 42568 | 82416 |
| 64 | 38118 | 39944 | 37913 | 62599 | 59998 | 68425 |
| 512 | | | 63189 | 66443 | 80369 | 98507 |
| 2048 | | | | 65856 | 65664 | 84333 |
| 8192 | | | | | | 98870 |
write_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 15303 | 16742 | 7053 | 10901 | 7459 | 8303 |
| 64 | 15087 | 10950 | 6915 | 6643 | 10779 | 7610 |
| 512 | | | 6926 | 6970 | 12239 | 10273 |
| 2048 | | | | 11086 | 12293 | 11946 |
| 8192 | | | | | | 11931 |
rewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 16128 | 17403 | 7371 | 11648 | 7070 | 7191 |
| 64 | 8594 | 11290 | 6664 | 7028 | 6912 | 6901 |
| 512 | | | 7169 | 6939 | 7010 | 6997 |
| 2048 | | | | 11030 | 10896 | 9524 |
| 8192 | | | | | | 11295 |
read_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 77578 | 89231 | 33721 | 56440 | 34125 | 54393 |
| 64 | 40328 | 66579 | 39945 | 40184 | 38557 | 42894 |
| 512 | | | 38610 | 40720 | 46027 | 44332 |
| 2048 | | | | 63912 | 53409 | 71127 |
| 8192 | | | | | | 89062 |
reread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 83881 | 89231 | 33961 | 55415 | 61765 | 83912 |
| 64 | 41106 | 67099 | 39756 | 39921 | 48984 | 96143 |
| 512 | | | 39336 | 41120 | 97754 | 99715 |
| 2048 | | | | 64095 | 101143 | 98363 |
| 8192 | | | | | | 100199 |
randomread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 74852 | 83878 | 30867 | 51070 | 77448 | 76695 |
| 64 | 39550 | 65523 | 38971 | 39475 | 94384 | 94352 |
| 512 | | | 39475 | 41094 | 97540 | 99126 |
| 2048 | | | | 65792 | 101831 | 98580 |
| 8192 | | | | | | 98726 |
randomwrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 14873 | 16843 | 7087 | 14299 | 15834 | 12322 |
| 64 | 7489 | 11214 | 10443 | 12917 | 16022 | 11909 |
| 512 | | | 11483 | 16217 | 13103 | 8912 |
| 2048 | | | | 16925 | 13303 | 11054 |
| 8192 | | | | | | 10308 |
bkwdread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 72234 | 86458 | 32928 | 83779 | 54471 | 54317 |
| 64 | 95251 | 65523 | 100461 | 99123 | 62718 | 63235 |
| 512 | | | 95050 | 103241 | 39095 | 54109 |
| 2048 | | | | 82540 | 66443 | 44487 |
| 8192 | | | | | | 100199 |
recrewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 6078 | 19507 | 8023 | 19848 | 12793 | 11925 |
| 64 | 19064 | 9187 | 16660 | 10495 | 11064 | 8851 |
| 512 | | | 15614 | 13043 | 13764 | 8997 |
| 2048 | | | | 13579 | 13419 | 11580 |
| 8192 | | | | | | 8877 |
strideread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 209851 | 83035 | 32450 | 80081 | 32920 | 41903 |
| 64 | 99672 | 67103 | 106179 | 39921 | 38238 | 49756 |
| 512 | | | 100157 | 67308 | 64248 | 42047 |
| 2048 | | | | 79794 | 66975 | 70789 |
| 8192 | | | | | | 81740 |
fwrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 15083 | 15738 | 6665 | 7111 | 12354 | 11993 |
| 64 | 18233 | 11022 | 12043 | 6064 | 12106 | 11880 |
| 512 | | | 21647 | 12600 | 11245 | 11527 |
| 2048 | | | | 13659 | 23963 | 14957 |
| 8192 | | | | | | 8383 |
frewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 15884 | 16288 | 6446 | 6799 | 9035 | 6775 |
| 64 | 17472 | 8638 | 9155 | 6542 | 6830 | 10274 |
| 512 | | | 23579 | 12821 | 7293 | 7360 |
| 2048 | | | | 6957 | 11507 | 13191 |
| 8192 | | | | | | 12265 |
fread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 67579 | 87373 | 33354 | 33504 | 33705 | 35348 |
| 64 | 99858 | 40132 | 39061 | 38479 | 39557 | 62411 |
| 512 | | | 63912 | 62601 | 38369 | 41514 |
| 2048 | | | | 39568 | 53366 | 65328 |
| 8192 | | | | | | 65169 |
freread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 80607 | 86458 | 33485 | 33807 | 70014 | 82594 |
| 64 | 104768 | 40328 | 38701 | 38216 | 76476 | 82620 |
| 512 | | | 63429 | 64526 | 39709 | 99016 |
| 2048 | | | | 53601 | 99123 | 88330 |
| 8192 | | | | | | 98980 |