Tests by date
JFFS2, 2008-12-01
write_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 5004 | 7037 | 6786 | 6849 | 6976 | 7641 |
| 64 | 7036 | 5874 | 6456 | 6660 | 7072 | 7100 |
| 512 | | | 6547 | 6737 | 6843 | 7657 |
| 2048 | | | | 9802 | 8465 | 7235 |
| 8192 | | | | | | 8189 |
rewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 5991 | 7250 | 6926 | 7112 | 7086 | 7156 |
| 64 | 7305 | 5945 | 6685 | 6861 | 6871 | 6840 |
| 512 | | | 6669 | 6968 | 6997 | 6996 |
| 2048 | | | | 7144 | 6997 | 7019 |
| 8192 | | | | | | 8276 |
read_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 31759 | 31067 | 33387 | 34013 | 33445 | 36123 |
| 64 | 39556 | 37780 | 37999 | 37511 | 38457 | 39464 |
| 512 | | | 38478 | 38858 | 39187 | 42547 |
| 2048 | | | | 59125 | 39290 | 44157 |
| 8192 | | | | | | 98291 |
reread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 41106 | 33285 | 33354 | 33979 | 38601 | 79347 |
| 64 | 27585 | 37448 | 37076 | 38151 | 40016 | 91678 |
| 512 | | | 38790 | 39176 | 59414 | 93238 |
| 2048 | | | | 63488 | 65759 | 93400 |
| 8192 | | | | | | 97116 |
randomread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 36137 | 30501 | 30670 | 31111 | 60897 | 76281 |
| 64 | 38812 | 36952 | 35544 | 37956 | 59520 | 94987 |
| 512 | | | 39015 | 39175 | 65153 | 97258 |
| 2048 | | | | 63790 | 96490 | 97826 |
| 8192 | | | | | | 98004 |
randomwrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 7681 | 5769 | 6740 | 6909 | 11667 | 9003 |
| 64 | 7013 | 6065 | 6637 | 10881 | 13100 | 8811 |
| 512 | | | 6668 | 11059 | 13351 | 8773 |
| 2048 | | | | 15182 | 10600 | 8561 |
| 8192 | | | | | | 8881 |
bkwdread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 27946 | 32141 | 32482 | 33487 | 32672 | 41508 |
| 64 | 30825 | 38830 | 38260 | 63669 | 38369 | 39130 |
| 512 | | | 38835 | 67446 | 39256 | 43562 |
| 2048 | | | | 63669 | 39475 | 50581 |
| 8192 | | | | | | 66100 |
recrewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 8524 | 6610 | 7765 | 12490 | 13028 | 10124 |
| 64 | 6898 | 5436 | 6643 | 10332 | 10275 | 8537 |
| 512 | | | 7183 | 11023 | 10307 | 8580 |
| 2048 | | | | 13543 | 11702 | 8599 |
| 8192 | | | | | | 8667 |
strideread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 99672 | 33152 | 31895 | 52304 | 31714 | 34934 |
| 64 | 38118 | 37443 | 41119 | 62309 | 38151 | 39285 |
| 512 | | | 41222 | 63731 | 38971 | 39874 |
| 2048 | | | | 67512 | 39498 | 45559 |
| 8192 | | | | | | 66724 |
fwrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 5874 | 6631 | 6315 | 8823 | 6448 | 7610 |
| 64 | 7084 | 5966 | 6307 | 9366 | 6257 | 8368 |
| 512 | | | 10990 | 12175 | 7002 | 7908 |
| 2048 | | | | 10658 | 16906 | 11744 |
| 8192 | | | | | | 9230 |
frewrite_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 5777 | 6858 | 6376 | 6640 | 6350 | 6755 |
| 64 | 5906 | 8207 | 6567 | 6662 | 6045 | 6387 |
| 512 | | | 11827 | 8349 | 7125 | 6722 |
| 2048 | | | | 7201 | 11807 | 8150 |
| 8192 | | | | | | 7025 |
fread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 32243 | 33151 | 30503 | 33470 | 33181 | 33234 |
| 64 | 38812 | 34953 | 37871 | 39290 | 37220 | 38662 |
| 512 | | | 41631 | 38656 | 37711 | 39458 |
| 2048 | | | | 39429 | 39922 | 45894 |
| 8192 | | | | | | 66231 |
freread_min| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 36781 | 33152 | 27436 | 33420 | 38000 | 81097 |
| 64 | 39556 | 39191 | 38042 | 39267 | 38982 | 78696 |
| 512 | | | 41373 | 39592 | 47951 | 95663 |
| 2048 | | | | 61736 | 62339 | 87437 |
| 8192 | | | | | | 99090 |
write_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 15307 | 7139 | 7128 | 10518 | 11057 | 8508 |
| 64 | 7462 | 6875 | 6864 | 9848 | 9944 | 8324 |
| 512 | | | 6939 | 9686 | 10034 | 8630 |
| 2048 | | | | 11083 | 10930 | 7617 |
| 8192 | | | | | | 10310 |
rewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 14977 | 7319 | 7342 | 7343 | 7675 | 7217 |
| 64 | 7766 | 7066 | 7034 | 7037 | 6937 | 6899 |
| 512 | | | 7146 | 7142 | 7043 | 7046 |
| 2048 | | | | 11063 | 7048 | 7033 |
| 8192 | | | | | | 8539 |
read_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 77578 | 36311 | 33996 | 36313 | 36771 | 41164 |
| 64 | 41941 | 38652 | 39475 | 39039 | 39791 | 40951 |
| 512 | | | 40720 | 39452 | 40136 | 51971 |
| 2048 | | | | 64218 | 62483 | 52748 |
| 8192 | | | | | | 98798 |
reread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 80607 | 35694 | 34134 | 41271 | 57064 | 83572 |
| 64 | 40304 | 39012 | 39197 | 40256 | 74071 | 97363 |
| 512 | | | 40819 | 41044 | 65343 | 99198 |
| 2048 | | | | 66974 | 97897 | 98724 |
| 8192 | | | | | | 98944 |
randomread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 74852 | 32015 | 31067 | 50685 | 76959 | 76893 |
| 64 | 39579 | 38129 | 39289 | 62541 | 96419 | 96802 |
| 512 | | | 41121 | 65922 | 96976 | 99126 |
| 2048 | | | | 97682 | 97969 | 98870 |
| 8192 | | | | | | 98724 |
randomwrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 14873 | 7073 | 7061 | 15117 | 12922 | 9303 |
| 64 | 7306 | 6984 | 7083 | 15861 | 14695 | 10062 |
| 512 | | | 11463 | 16043 | 14557 | 9101 |
| 2048 | | | | 16328 | 13839 | 10001 |
| 8192 | | | | | | 9806 |
bkwdread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 69883 | 34519 | 33320 | 56728 | 33612 | 48559 |
| 64 | 37448 | 39567 | 40280 | 86365 | 40052 | 45221 |
| 512 | | | 63788 | 91924 | 40610 | 52377 |
| 2048 | | | | 83259 | 57851 | 58931 |
| 8192 | | | | | | 76981 |
recrewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 17047 | 8338 | 8447 | 13470 | 13778 | 10814 |
| 64 | 7708 | 6978 | 7159 | 11250 | 12747 | 9514 |
| 512 | | | 14671 | 11453 | 12535 | 10107 |
| 2048 | | | | 15217 | 13615 | 9672 |
| 8192 | | | | | | 9168 |
strideread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 209034 | 33420 | 32387 | 52883 | 33850 | 37919 |
| 64 | 38835 | 42363 | 43182 | 63013 | 40499 | 49002 |
| 512 | | | 80074 | 64402 | 40148 | 50543 |
| 2048 | | | | 96553 | 59414 | 66658 |
| 8192 | | | | | | 82140 |
fwrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 14977 | 6705 | 6669 | 10278 | 11846 | 11480 |
| 64 | 7409 | 8065 | 6740 | 10055 | 9973 | 11062 |
| 512 | | | 17512 | 12714 | 11037 | 9878 |
| 2048 | | | | 12560 | 23249 | 13491 |
| 8192 | | | | | | 10079 |
frewrite_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 7488 | 6921 | 6840 | 10470 | 9152 | 7444 |
| 64 | 7281 | 8524 | 6941 | 10305 | 6484 | 8905 |
| 512 | | | 18946 | 12659 | 10174 | 6778 |
| 2048 | | | | 11006 | 18318 | 10881 |
| 8192 | | | | | | 8466 |
fread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 67664 | 34237 | 33519 | 54781 | 36641 | 40046 |
| 64 | 39550 | 39750 | 39614 | 63309 | 39394 | 47730 |
| 512 | | | 64281 | 40548 | 40414 | 44034 |
| 2048 | | | | 64096 | 64776 | 65679 |
| 8192 | | | | | | 96213 |
freread_med| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 80582 | 34660 | 33156 | 54250 | 54010 | 82595 |
| 64 | 40322 | 40132 | 39336 | 62135 | 47160 | 94920 |
| 512 | | | 63788 | 65090 | 65472 | 99126 |
| 2048 | | | | 66443 | 75913 | 98834 |
| 8192 | | | | | | 99493 |
write_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 15534 | 16912 | 7195 | 11312 | 13157 | 11671 |
| 64 | 18395 | 6949 | 6927 | 16062 | 12496 | 11766 |
| 512 | | | 14199 | 15224 | 12832 | 11613 |
| 2048 | | | | 16328 | 15383 | 11901 |
| 8192 | | | | | | 12354 |
rewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 16255 | 17259 | 7425 | 11693 | 11451 | 7871 |
| 64 | 18725 | 7121 | 7133 | 11256 | 9324 | 8985 |
| 512 | | | 16912 | 11839 | 11444 | 10169 |
| 2048 | | | | 12352 | 11514 | 7793 |
| 8192 | | | | | | 9518 |
read_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 83776 | 91171 | 36872 | 56488 | 55576 | 47544 |
| 64 | 99858 | 40913 | 40426 | 64339 | 45328 | 69650 |
| 512 | | | 63793 | 67443 | 65027 | 70789 |
| 2048 | | | | 67175 | 97467 | 101104 |
| 8192 | | | | | | 100762 |
reread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 91175 | 91171 | 36079 | 84624 | 89297 | 91272 |
| 64 | 104768 | 41118 | 40279 | 63731 | 100085 | 99715 |
| 512 | | | 64032 | 83986 | 101446 | 100012 |
| 2048 | | | | 101371 | 101143 | 101372 |
| 8192 | | | | | | 101143 |
randomread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 77668 | 84712 | 33058 | 80175 | 83518 | 83029 |
| 64 | 99858 | 40138 | 40475 | 98684 | 100237 | 100952 |
| 512 | | | 78216 | 98254 | 101446 | 99790 |
| 2048 | | | | 102292 | 101371 | 100725 |
| 8192 | | | | | | 101143 |
randomwrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 16129 | 16878 | 7113 | 16789 | 16266 | 12695 |
| 64 | 18890 | 7121 | 13117 | 16710 | 15784 | 13015 |
| 512 | | | 17024 | 16916 | 16182 | 9846 |
| 2048 | | | | 16916 | 16436 | 13016 |
| 8192 | | | | | | 13155 |
bkwdread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 77578 | 86458 | 35393 | 89955 | 59335 | 59074 |
| 64 | 91175 | 40524 | 101365 | 98107 | 65536 | 67159 |
| 512 | | | 103560 | 103717 | 65153 | 57628 |
| 2048 | | | | 102139 | 66214 | 75679 |
| 8192 | | | | | | 100688 |
recrewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 18556 | 19461 | 8551 | 19778 | 15699 | 12679 |
| 64 | 18890 | 7090 | 16852 | 13851 | 14091 | 12561 |
| 512 | | | 17058 | 13816 | 15148 | 12797 |
| 2048 | | | | 16735 | 15520 | 13204 |
| 8192 | | | | | | 12781 |
strideread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 232780 | 84745 | 34554 | 81736 | 53050 | 52893 |
| 64 | 95387 | 43686 | 111838 | 66116 | 65248 | 69741 |
| 512 | | | 105839 | 80658 | 65185 | 68670 |
| 2048 | | | | 101220 | 66874 | 77136 |
| 8192 | | | | | | 100161 |
fwrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 15307 | 15857 | 6690 | 10823 | 13642 | 12368 |
| 64 | 18233 | 8167 | 15970 | 10469 | 12019 | 11517 |
| 512 | | | 26296 | 13670 | 13513 | 12151 |
| 2048 | | | | 16312 | 25395 | 15545 |
| 8192 | | | | | | 12386 |
frewrite_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 16007 | 10317 | 6914 | 10985 | 10707 | 10427 |
| 64 | 18890 | 8629 | 11286 | 10768 | 10283 | 10981 |
| 512 | | | 20410 | 13440 | 11780 | 8254 |
| 2048 | | | | 13239 | 18941 | 14555 |
| 8192 | | | | | | 12199 |
fread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 72312 | 36791 | 35544 | 59545 | 59204 | 89240 |
| 64 | 99858 | 41117 | 65407 | 67107 | 65375 | 81492 |
| 512 | | | 66312 | 67108 | 65727 | 66609 |
| 2048 | | | | 66444 | 66215 | 98980 |
| 8192 | | | | | | 99642 |
freread_max| Record/datasize | 64 | 256 | 1024 | 2048 | 4096 | 8192 |
| 4 | 99672 | 37448 | 35732 | 58814 | 81640 | 89686 |
| 64 | 104727 | 41517 | 65788 | 66312 | 64807 | 97683 |
| 512 | | | 65152 | 85269 | 99787 | 100088 |
| 2048 | | | | 97966 | 99642 | 99677 |
| 8192 | | | | | | 99901 |