- Flashbench-results - lists.linaro.org

Kingston SD4 class 4 made in Japan (2010)

by Arnd Bergmann

==> /sys/block/mmcblk0/device/block <== head: error reading `/sys/block/mmcblk0/device/block': Is a directory ==> /sys/block/mmcblk0/device/cid <== 02544d534430384761c00fe03300a800 ==> /sys/block/mmcblk0/device/csd <== 400e00325b5900003b5f7f800a400000 ==> /sys/block/mmcblk0/device/date <== 08/2010 ==> /sys/block/mmcblk0/device/driver <== head: error reading `/sys/block/mmcblk0/device/driver': Is a directory ==> /sys/block/mmcblk0/device/erase_size <== 512 ==> /sys/block/mmcblk0/device/fwrev <== 0x1 ==> /sys/block/mmcblk0/device/hwrev <== 0x6 ==> /sys/block/mmcblk0/device/manfid <== 0x000002 ==> /sys/block/mmcblk0/device/name <== SD08G ==> /sys/block/mmcblk0/device/oemid <== 0x544d ==> /sys/block/mmcblk0/device/power <== head: error reading `/sys/block/mmcblk0/device/power': Is a directory ==> /sys/block/mmcblk0/device/preferred_erase_size <== 4194304 ==> /sys/block/mmcblk0/device/scr <== 02b5800026029302 ==> /sys/block/mmcblk0/device/serial <== 0xc00fe033 ==> /sys/block/mmcblk0/device/subsystem <== head: error reading `/sys/block/mmcblk0/device/subsystem': Is a directory ==> /sys/block/mmcblk0/device/type <== SD Disk /dev/mmcblk0: 7969 MB, 7969177600 bytes 4 heads, 16 sectors/track, 243200 cylinders, total 15564800 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x0006e463 Device Boot Start End Blocks Id System /dev/mmcblk0p1 * 4096 5380095 2688000 83 Linux /dev/mmcblk0p2 5380096 15564799 5092352 b W95 FAT32 2MiB 4.3M/s 1MiB 4.31M/s 512KiB 4.31M/s 256KiB 4.19M/s 128KiB 4.51M/s 64KiB 9.14M/s 32KiB 8.27M/s 16KiB 6.31M/s 8KiB 3.64M/s 4KiB 1.93M/s 2KiB 1M/s 1KiB 515K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[2048*1024] --blocksize=1024 --open-au-nr=1 /dev/mmcblk0 --random 2MiB 8.92M/s 1MiB 3.39M/s 512KiB 1.78M/s 256KiB 1.21M/s 128KiB 703K/s 64KiB 594K/s 32KiB 285K/s 16KiB 156K/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[2048*1024] --blocksize=1024 --open-au-nr=2 /dev/mmcblk0 2MiB 5.93M/s 1MiB 5.02M/s 512KiB 2.2M/s 256KiB 1.06M/s 128KiB 526K/s

14 years, 9 months

1
1
0 0

2 GB sandisk microSDHC

by Arnd Bergmann

==> /sys/block/mmcblk0/device/cid <== 03534453553034478001d61d35009a00 ==> /sys/block/mmcblk0/device/csd <== 400e00325b5900001d8a7f800a404000 ==> /sys/block/mmcblk0/device/date <== 10/2009 ==> /sys/block/mmcblk0/device/erase_size <== 512 ==> /sys/block/mmcblk0/device/fwrev <== 0x0 ==> /sys/block/mmcblk0/device/hwrev <== 0x8 ==> /sys/block/mmcblk0/device/manfid <== 0x000003 ==> /sys/block/mmcblk0/device/name <== SU04G ==> /sys/block/mmcblk0/device/oemid <== 0x5344 ==> /sys/block/mmcblk0/device/preferred_erase_size <== 4194304 ==> /sys/block/mmcblk0/device/scr <== 0235800000000000 ==> /sys/block/mmcblk0/device/serial <== 0x01d61d35 Disk /dev/mmcblk0: 3965 MB, 3965190144 bytes 49 heads, 48 sectors/track, 3292 cylinders, total 7744512 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Device Boot Start End Blocks Id System /dev/mmcblk0p1 8192 7744511 3868160 b W95 FAT32 arnd@klappe2:~/git/flashbench$ sudo ./flashbench -a /dev/mmcblk0 --blocksize=1024 --count=30 align 402653184 pre 585Âµs on 836Âµs post 531Âµs diff 278Âµs align 268435456 pre 511Âµs on 556Âµs post 518Âµs diff 40.7Âµs align 201326592 pre 586Âµs on 883Âµs post 531Âµs diff 325Âµs align 134217728 pre 528Âµs on 595Âµs post 528Âµs diff 66.4Âµs align 100663296 pre 699Âµs on 929Âµs post 514Âµs diff 322Âµs align 67108864 pre 539Âµs on 604Âµs post 546Âµs diff 62.1Âµs align 50331648 pre 533Âµs on 642Âµs post 531Âµs diff 110Âµs align 33554432 pre 544Âµs on 601Âµs post 533Âµs diff 62.3Âµs align 25165824 pre 546Âµs on 645Âµs post 533Âµs diff 106Âµs align 16777216 pre 533Âµs on 606Âµs post 552Âµs diff 64Âµs align 12582912 pre 560Âµs on 654Âµs post 541Âµs diff 103Âµs align 8388608 pre 541Âµs on 624Âµs post 588Âµs diff 59.7Âµs align 6291456 pre 533Âµs on 627Âµs post 511Âµs diff 104Âµs align 4194304 pre 508Âµs on 593Âµs post 522Âµs diff 78.3Âµs align 3145728 pre 553Âµs on 641Âµs post 507Âµs diff 112Âµs align 2097152 pre 538Âµs on 604Âµs post 533Âµs diff 69.1Âµs align 1572864 pre 531Âµs on 586Âµs post 537Âµs diff 51.6Âµs align 1048576 pre 542Âµs on 603Âµs post 549Âµs diff 56.8Âµs align 786432 pre 520Âµs on 588Âµs post 535Âµs diff 59.9Âµs align 524288 pre 542Âµs on 598Âµs post 531Âµs diff 61.4Âµs align 393216 pre 520Âµs on 586Âµs post 535Âµs diff 59.1Âµs align 262144 pre 541Âµs on 604Âµs post 547Âµs diff 60Âµs align 196608 pre 526Âµs on 585Âµs post 533Âµs diff 55.1Âµs align 131072 pre 538Âµs on 596Âµs post 530Âµs diff 62.1Âµs align 98304 pre 526Âµs on 588Âµs post 536Âµs diff 57Âµs align 65536 pre 552Âµs on 602Âµs post 549Âµs diff 51.5Âµs align 49152 pre 519Âµs on 588Âµs post 538Âµs diff 59.7Âµs align 32768 pre 528Âµs on 586Âµs post 530Âµs diff 57.3Âµs align 24576 pre 522Âµs on 580Âµs post 526Âµs diff 55.6Âµs align 16384 pre 520Âµs on 584Âµs post 534Âµs diff 57.3Âµs arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[6 * 512 *1024] --blocksize=3072 --open-au-nr=1 /dev/mmcblk0 3MiB 6.15M/s 1.5MiB 2.28M/s 768KiB 3.31M/s 384KiB 3M/s 192KiB 2.86M/s 96KiB 4.56M/s 48KiB 6.22M/s 24KiB 3.66M/s 12KiB 2.15M/s 6KiB 1.55M/s 3KiB 1.03M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[6 * 512 *1024] --blocksize=3072 --open-au-nr=2 /dev/mmcblk0 3MiB 6.22M/s 1.5MiB 4.42M/s 768KiB 6.24M/s 384KiB 6.22M/s 192KiB 6.25M/s 96KiB 6.08M/s 48KiB 6.28M/s 24KiB 3.69M/s 12KiB 2.52M/s 6KiB 1.7M/s 3KiB 1.03M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[6 * 512 *1024] --blocksize=3072 --open-au-nr=4 /dev/mmcblk0 3MiB 6.17M/s 1.5MiB 4.22M/s 768KiB 6.14M/s 384KiB 6.15M/s 192KiB 6.11M/s 96KiB 5.94M/s 48KiB 6.16M/s 24KiB 3.64M/s 12KiB 2.23M/s 6KiB 1.69M/s 3KiB 1.02M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[6 * 512 *1024] --blocksize=3072 --open-au-nr=6 /dev/mmcblk0 3MiB 3.29M/s 1.5MiB 6.12M/s 768KiB 6.12M/s 384KiB 6.12M/s 192KiB 6.11M/s 96KiB 5.87M/s 48KiB 5.71M/s 24KiB 3.85M/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[6 * 512 *1024] --blocksize=3072 --open-au-nr=7 /dev/mmcblk0 3MiB 6.13M/s 1.5MiB 3.49M/s 768KiB 1.78M/s 384KiB 868K/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[6 * 512 *1024] --blocksize=3072 --open-au-nr=1 /dev/mmcblk0 --random 3MiB 3.26M/s 1.5MiB 2.11M/s 768KiB 2.21M/s 384KiB 1.7M/s 192KiB 1.66M/s 96KiB 1.63M/s 48KiB 1.62M/s 24KiB 1.05M/s 12KiB 571K/s 6KiB 339K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[6 * 512 *1024] --blocksize=3072 --open-au-nr=3 /dev/mmcblk0 --random 3MiB 4.57M/s 1.5MiB 5.51M/s 768KiB 2.22M/s 384KiB 2.24M/s 192KiB 1.68M/s 96KiB 1.63M/s 48KiB 1.62M/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[6 * 512 *1024] --blocksize=3072 --open-au-nr=4 /dev/mmcblk0 --random 3MiB 3.53M/s 1.5MiB 6.03M/s 768KiB 2.23M/s 384KiB 2.24M/s 192KiB 1.69M/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[6 * 512 *1024] --blocksize=3072 --open-au-nr=6 /dev/mmcblk0 --random 3MiB 3.74M/s 1.5MiB 5.96M/s 768KiB 2.23M/s 384KiB 2.02M/s 192KiB 1.36M/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench --findfat --erasesize=$[8 * 512 *1024] /dev/mmcblk0 4MiB 2.45M/s 3.46M/s 3.49M/s 3.71M/s 6.05M/s 6.06M/s 2MiB 6.13M/s 6.03M/s 6.06M/s 6.14M/s 6.1M/s 6.06M/s 1MiB 6.16M/s 6.02M/s 6.05M/s 6.14M/s 6.06M/s 6.06M/s 512KiB 6.14M/s 6.02M/s 6.15M/s 6.13M/s 6.11M/s 6.06M/s 256KiB 6.1M/s 6.04M/s 6.12M/s 6.11M/s 6.08M/s 6.09M/s 128KiB 6.15M/s 5.94M/s 6.05M/s 6.07M/s 6.1M/s 6.08M/s 64KiB 6.17M/s 5.93M/s 6.14M/s 6.14M/s 6.07M/s 6.05M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[6 * 512 *1024] --blocksize=3072 --open-au-nr=7 /dev/mmcblk0 --random 3MiB 3.9M/s 1.5MiB 3.77M/s 768KiB 1.78M/s 384KiB 868K/s 192KiB 436K/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench --findfat --erasesize=$[6 * 512 *1024] --blocksize=3072 /dev/mmcblk0 --random 3MiB 3.3M/s 6.12M/s 3.05M/s 6.13M/s 6.13M/s 6.1M/s 1.5MiB 2.3M/s 2.7M/s 3.81M/s 2.71M/s 2.7M/s 2.7M/s 768KiB 1.68M/s 3M/s 2.98M/s 2.96M/s 2.98M/s 2.08M/s 384KiB 1.71M/s 1.71M/s 1.7M/s 1.7M/s 1.7M/s 1.69M/s 192KiB 1.71M/s 1.7M/s 1.36M/s 1.7M/s 1.69M/s 1.7M/s 96KiB 1.66M/s 1.67M/s 1.67M/s 1.67M/s 1.67M/s 1.66M/s 48KiB 1.67M/s 1.66M/s 1.68M/s 1.66M/s 1.67M/s 1.66M/s 24KiB 907K/s 1.08M/s 1.08M/s 1.07M/s 1.08M/s 1.04M/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench --findfat --erasesize=$[8 * 512 *1024] /dev/mmcblk0 4MiB 2.45M/s 3.46M/s 3.49M/s 3.71M/s 6.05M/s 6.06M/s 2MiB 6.13M/s 6.03M/s 6.06M/s 6.14M/s 6.1M/s 6.06M/s 1MiB 6.16M/s 6.02M/s 6.05M/s 6.14M/s 6.06M/s 6.06M/s 512KiB 6.14M/s 6.02M/s 6.15M/s 6.13M/s 6.11M/s 6.06M/s 256KiB 6.1M/s 6.04M/s 6.12M/s 6.11M/s 6.08M/s 6.09M/s 128KiB 6.15M/s 5.94M/s 6.05M/s 6.07M/s 6.1M/s 6.08M/s 64KiB 6.17M/s 5.93M/s 6.14M/s 6.14M/s 6.07M/s 6.05M/s 32KiB 5.38M/s 5.29M/s 5.39M/s 5.38M/s 5.36M/s 5.33M/s 16KiB 4.35M/s 4.32M/s 4.35M/s 4.34M/s 4.32M/s 4.18M/s

14 years, 9 months

1
0
0 0

Sandisk 4 GB microSD class 2, Jun 2007

by Arnd Bergmann

==> /sys/block/mmcblk0/device/cid <== 035344535530344780200765b8007600 ==> /sys/block/mmcblk0/device/csd <== 400e00325b5900001e5c7f800a404000 ==> /sys/block/mmcblk0/device/date <== 06/2007 ==> /sys/block/mmcblk0/device/erase_size <== 512 ==> /sys/block/mmcblk0/device/fwrev <== 0x0 ==> /sys/block/mmcblk0/device/hwrev <== 0x8 ==> /sys/block/mmcblk0/device/manfid <== 0x000003 ==> /sys/block/mmcblk0/device/name <== SU04G ==> /sys/block/mmcblk0/device/oemid <== 0x5344 ==> /sys/block/mmcblk0/device/preferred_erase_size <== 4194304 ==> /sys/block/mmcblk0/device/scr <== 0235000000000000 ==> /sys/block/mmcblk0/device/serial <== 0x200765b8 Disk /dev/mmcblk0: 4075 MB, 4075290624 bytes 7 heads, 6 sectors/track, 189513 cylinders, total 7959552 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Device Boot Start End Blocks Id System /dev/mmcblk0p1 8192 7959551 3975680 b W95 FAT32 arnd@klappe2:~/git/flashbench$ sudo ./flashbench -a /dev/mmcblk0 --blocksize=1024 --count=200 align 805306368 pre 585µs on 685µs post 581µs diff 102µs align 536870912 pre 581µs on 656µs post 568µs diff 81.9µs align 402653184 pre 600µs on 681µs post 580µs diff 90.6µs align 268435456 pre 586µs on 677µs post 574µs diff 96.9µs align 201326592 pre 576µs on 677µs post 575µs diff 102µs align 134217728 pre 586µs on 684µs post 577µs diff 102µs align 100663296 pre 586µs on 679µs post 577µs diff 97.6µs align 67108864 pre 582µs on 676µs post 578µs diff 96.4µs align 50331648 pre 618µs on 716µs post 593µs diff 110µs align 33554432 pre 567µs on 684µs post 562µs diff 120µs align 25165824 pre 567µs on 583µs post 566µs diff 16.5µs align 16777216 pre 571µs on 686µs post 562µs diff 120µs align 12582912 pre 548µs on 581µs post 565µs diff 24.9µs align 8388608 pre 586µs on 612µs post 581µs diff 28.7µs align 6291456 pre 579µs on 609µs post 576µs diff 31.8µs align 4194304 pre 578µs on 615µs post 577µs diff 37.9µs align 3145728 pre 579µs on 609µs post 582µs diff 28.1µs align 2097152 pre 578µs on 615µs post 579µs diff 36.4µs align 1572864 pre 579µs on 613µs post 587µs diff 29.8µs align 1048576 pre 574µs on 603µs post 575µs diff 28.6µs align 786432 pre 574µs on 574µs post 578µs diff -1948ns align 524288 pre 583µs on 609µs post 577µs diff 28.9µs align 393216 pre 574µs on 583µs post 581µs diff 5.8µs align 262144 pre 579µs on 579µs post 585µs diff -3129ns align 196608 pre 585µs on 581µs post 582µs diff -1892ns align 131072 pre 578µs on 584µs post 579µs diff 5.92µs align 98304 pre 573µs on 580µs post 576µs diff 4.95µs align 65536 pre 576µs on 582µs post 581µs diff 3.19µs align 49152 pre 579µs on 578µs post 580µs diff -1546ns align 32768 pre 577µs on 577µs post 582µs diff -2490ns align 24576 pre 574µs on 576µs post 580µs diff -1016ns align 16384 pre 576µs on 573µs post 577µs diff -3435ns align 12288 pre 584µs on 580µs post 583µs diff -2950ns align 8192 pre 581µs on 576µs post 578µs diff -3156ns align 6144 pre 581µs on 584µs post 576µs diff 5.48µs align 4096 pre 575µs on 584µs post 584µs diff 3.81µs align 3072 pre 575µs on 572µs post 573µs diff -1836ns align 2048 pre 579µs on 576µs post 576µs diff -1295ns # linear access goes up to 7*512KB arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --blocksize=1024 --erasesize=524288 --open-au-nr=1 512KiB 4.89M/s 256KiB 4.78M/s 128KiB 2.24M/s 64KiB 2.23M/s 32KiB 4.64M/s 16KiB 4.15M/s 8KiB 3.14M/s 4KiB 2.43M/s 2KiB 1.28M/s 1KiB 562K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --blocksize=1024 --erasesize=524288 --open-au-nr=5 512KiB 4.45M/s 256KiB 2.88M/s 128KiB 3.92M/s 64KiB 3.99M/s 32KiB 4.63M/s 16KiB 4.1M/s 8KiB 3.18M/s 4KiB 2.37M/s 2KiB 1.28M/s 1KiB 597K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --blocksize=1024 --erasesize=524288 --open-au-nr=6 512KiB 2.41M/s 256KiB 3.47M/s 128KiB 4.1M/s 64KiB 4.12M/s 32KiB 4.58M/s 16KiB 4.1M/s 8KiB 3.18M/s 4KiB 2.44M/s 2KiB 1.21M/s 1KiB 605K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --blocksize=1024 --erasesize=524288 --open-au-nr=7 512KiB 3.62M/s 256KiB 3.65M/s 128KiB 3.63M/s 64KiB 4.13M/s 32KiB 4.62M/s 16KiB 4.11M/s 8KiB 3.18M/s 4KiB 2.27M/s 2KiB 1.28M/s 1KiB 599K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --blocksize=1024 --erasesize=524288 --open-au-nr=8 512KiB 4.23M/s 256KiB 1.98M/s 128KiB 965K/s 64KiB 464K/s 32KiB 226K/s 16KiB 112K/s 8KiB 55.4K/s 4KiB 28K/s #random goes up to 3*512KB: arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --blocksize=1024 --erasesize=524288 --open-au-nr=1 --random 512KiB 2.23M/s 256KiB 2.22M/s 128KiB 2.27M/s 64KiB 2.29M/s 32KiB 2.22M/s 16KiB 2.1M/s 8KiB 1.81M/s 4KiB 1.5M/s 2KiB 600K/s 1KiB 262K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --blocksize=1024 --erasesize=524288 --open-au-nr=1 --random 512KiB 2.26M/s 256KiB 2.3M/s 128KiB 2.29M/s 64KiB 2.28M/s 32KiB 2.12M/s 16KiB 2.11M/s 8KiB 1.82M/s 4KiB 1.55M/s 2KiB 602K/s 1KiB 247K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --blocksize=1024 --erasesize=524288 --open-au-nr=3 --random 512KiB 2.73M/s 256KiB 2.3M/s 128KiB 2.3M/s 64KiB 2.28M/s 32KiB 2.14M/s 16KiB 2.08M/s 8KiB 1.81M/s 4KiB 1.54M/s 2KiB 594K/s 1KiB 260K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --blocksize=1024 --erasesize=524288 --open-au-nr=4 --random 512KiB 2.63M/s 256KiB 2.65M/s 128KiB 3.1M/s 64KiB 1.5M/s 32KiB 1.09M/s 16KiB 605K/s 8KiB 308K/s 4KiB 163K/s 2KiB 78.4K/s # not 2*1MB: arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --blocksize=1024 --erasesize=1048576 --open-au-nr=2 --random 1MiB 2.51M/s 512KiB 3.02M/s 256KiB 1.93M/s 128KiB 2.19M/s 64KiB 1.75M/s 32KiB 1.22M/s 16KiB 785K/s 8KiB 395K/s 4KiB 241K/s #not 4 *256 KB: arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --blocksize=1024 --erasesize=262144 --open-au-nr=4 --random 256KiB 1.77M/s 128KiB 1.46M/s 64KiB 2.13M/s 32KiB 1.06M/s 16KiB 671K/s 8KiB 313K/s 4KiB 164K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --blocksize=1024 --erasesize=524288 --open-au-nr=3 --random --offset=262144 512KiB 1.94M/s 256KiB 2.19M/s 128KiB 1.08M/s 64KiB 1.09M/s 32KiB 668K/s 16KiB 459K/s # no special FAT area: arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/mmcblk0 --blocksize=1024 --erasesize=524288 --findfat --fat-nr=8 512KiB 4.81M/s 4.96M/s 4.98M/s 4.94M/s 4.91M/s 4.96M/s 4.93M/s 5.01M/s 256KiB 2.22M/s 4.98M/s 5.02M/s 4.9M/s 5M/s 4.99M/s 4.95M/s 4.8M/s 128KiB 2.2M/s 4.93M/s 4.89M/s 4.96M/s 5M/s 5.03M/s 4.9M/s 4.96M/s 64KiB 2.27M/s 4.9M/s 4.98M/s 4.99M/s 4.97M/s 4.9M/s 4.96M/s 4.98M/s 32KiB 4.55M/s 4.58M/s 4.61M/s 4.65M/s 4.69M/s 4.62M/s 4.66M/s 4.61M/s 16KiB 4.16M/s 4.13M/s 4.15M/s 4.13M/s 4.12M/s 4.11M/s 4.16M/s 4.15M/s 8KiB 3.2M/s 3.19M/s 3.21M/s 3.2M/s 3.21M/s 3.04M/s 3.21M/s 3.18M/s 4KiB 2.48M/s 2.46M/s 2.48M/s 2.48M/s 2.49M/s 2.46M/s 2.48M/s 2.47M/s 2KiB 1.28M/s 1.31M/s 1.28M/s 1.31M/s 1.31M/s 1.27M/s 1.3M/s 1.3M/s 1KiB 621K/s 537K/s 614K/s 621K/s 622K/s 620K/s 624K/s 623K/s

14 years, 9 months

1
0
0 0

Dual sim dual standby mobile phone just for 19 USD

by Picasa Web Albums

Dear Friends and partners , Our company new price comes out. Android phone + WIFI + GPS 3.5 Screen 107 USD 4cards & 4standby + WIFI + TV 2.4 Screen 34.2 USD 2cards & 2standby 1.8 Screen 19 USD Anything more you want to know, please send us email. Best wishes Juce Mobile: 86-13424432252 E-mail: elink(a)vip.188.com Web size: www.oemmobile.com Factory Address: 5/F, Building 21, ChenTian Industrial Park, Shenzhen, GuangDong Province, China

14 years, 9 months

1
0
0 0

Sandisk internal USB MFD

by Arnd Bergmann

lsusb Bus 001 Device 006: ID 0781:6500 SanDisk Corp. Disk /dev/sdc: 8220 MB, 8220835328 bytes 255 heads, 63 sectors/track, 999 cylinders, total 16056319 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Device Boot Start End Blocks Id System /dev/sdc1 * 54 16032869 8016408 c W95 FAT32 (LBA) arnd@klappe2:~/git/flashbench$ sudo ./flashbench -a /dev/sdc --count=32 --blocksize=1024 align 1610612736 pre 921µs on 909µs post 919µs diff -11000n align 1073741824 pre 872µs on 872µs post 872µs diff -42ns align 805306368 pre 872µs on 872µs post 872µs diff 172ns align 536870912 pre 872µs on 872µs post 872µs diff 56ns align 402653184 pre 872µs on 872µs post 872µs diff 224ns align 268435456 pre 872µs on 872µs post 872µs diff 91ns align 201326592 pre 872µs on 872µs post 872µs diff 224ns align 134217728 pre 872µs on 872µs post 872µs diff 62ns align 100663296 pre 872µs on 872µs post 872µs diff -35ns align 67108864 pre 872µs on 872µs post 872µs diff 137ns align 50331648 pre 872µs on 872µs post 872µs diff 262ns align 33554432 pre 872µs on 872µs post 872µs diff -286ns align 25165824 pre 872µs on 872µs post 872µs diff -28ns align 16777216 pre 873µs on 872µs post 872µs diff -91ns align 12582912 pre 872µs on 872µs post 872µs diff -206ns align 8388608 pre 872µs on 872µs post 872µs diff -121ns align 6291456 pre 894µs on 910µs post 896µs diff 15µs align 4194304 pre 882µs on 884µs post 884µs diff 1.26µs align 3145728 pre 881µs on 882µs post 884µs diff -38ns align 2097152 pre 882µs on 884µs post 897µs diff -5545ns align 1572864 pre 869µs on 906µs post 880µs diff 31.1µs align 1048576 pre 832µs on 834µs post 821µs diff 7.32µs align 786432 pre 832µs on 834µs post 822µs diff 6.59µs align 524288 pre 830µs on 834µs post 822µs diff 8.2µs align 393216 pre 832µs on 834µs post 823µs diff 7.01µs align 262144 pre 832µs on 835µs post 822µs diff 7.42µs align 196608 pre 832µs on 833µs post 822µs diff 6.49µs align 131072 pre 832µs on 833µs post 822µs diff 5.98µs align 98304 pre 876µs on 886µs post 883µs diff 6.56µs align 65536 pre 834µs on 835µs post 822µs diff 6.83µs align 49152 pre 832µs on 833µs post 822µs diff 6.5µs align 32768 pre 832µs on 835µs post 822µs diff 7.48µs align 24576 pre 822µs on 835µs post 822µs diff 12.7µs align 16384 pre 832µs on 834µs post 822µs diff 7.27µs align 12288 pre 822µs on 835µs post 822µs diff 12.9µs align 8192 pre 822µs on 835µs post 823µs diff 12.3µs align 6144 pre 822µs on 822µs post 822µs diff 429ns align 4096 pre 860µs on 901µs post 907µs diff 17.4µs align 3072 pre 822µs on 822µs post 822µs diff 367ns align 2048 pre 822µs on 823µs post 822µs diff 506ns arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --blocksize=1024 --erasesize=2097152 --findfat --fat-nr=7 2MiB 26.8M/s 28.3M/s 28.2M/s 26.8M/s 28.2M/s 28.2M/s 28.6M/s 1MiB 27.2M/s 28.1M/s 28.2M/s 27.5M/s 28.1M/s 27.9M/s 28M/s 512KiB 27.1M/s 27.2M/s 27.7M/s 27.7M/s 27.5M/s 27.7M/s 27.3M/s 256KiB 26.4M/s 27.2M/s 27.2M/s 23.6M/s 24.3M/s 26.2M/s 26.7M/s 128KiB 25.3M/s 25.7M/s 25.2M/s 25.7M/s 25.7M/s 25.7M/s 25.7M/s 64KiB 23.1M/s 25.7M/s 25.7M/s 25.7M/s 25.7M/s 24.4M/s 25.2M/s 32KiB 14.9M/s 21.5M/s 21.5M/s 21.5M/s 21.2M/s 21.5M/s 21.5M/s 16KiB 15.3M/s 16.2M/s 16.1M/s 16.2M/s 16.2M/s 16.2M/s 16.2M/s 8KiB 10.4M/s 10.8M/s 10.8M/s 10.9M/s 10.8M/s 10.8M/s 10.9M/s 4KiB 6.05M/s 6.52M/s 6.48M/s 6.53M/s 6.52M/s 6.51M/s 6.53M/s 2KiB 2.56M/s 2.67M/s 2.63M/s 2.64M/s 2.67M/s 2.64M/s 2.61M/s 1KiB 1.24M/s 1.22M/s 1.24M/s 1.23M/s 1.22M/s 1.21M/s 1.23M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --blocksize=1024 --erasesize=2097152 --findfat --fat-nr=7 --random 2MiB 26.8M/s 28.3M/s 28.2M/s 28.3M/s 27.7M/s 28.2M/s 28.2M/s 1MiB 27.5M/s 28.1M/s 27.7M/s 28.1M/s 28M/s 28.1M/s 28.1M/s 512KiB 14.8M/s 21M/s 13.1M/s 13M/s 13.1M/s 12.6M/s 12.9M/s 256KiB 11.6M/s 12.8M/s 12.9M/s 12.9M/s 12.9M/s 12.9M/s 10.2M/s 128KiB 12.4M/s 12.6M/s 12.5M/s 12.6M/s 12.6M/s 12.5M/s 12.6M/s 64KiB 12.3M/s 12.4M/s 12.4M/s 12.5M/s 12.5M/s 12.5M/s 9.9M/s 32KiB 9.29M/s 11.4M/s 11.2M/s 11.3M/s 11.2M/s 11.3M/s 11.2M/s 16KiB 9.68M/s 7.99M/s 9.55M/s 9.47M/s 9.42M/s 9.55M/s 7.94M/s 8KiB 3.19M/s 3.71M/s 3.72M/s 3.45M/s 3.71M/s 3.71M/s 3.58M/s 4KiB 1.72M/s 1.65M/s 1.72M/s 1.71M/s 1.66M/s 1.73M/s 1.72M/s 2KiB 726K/s 745K/s 737K/s 748K/s 735K/s 694K/s 739K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --blocksize=512 --erasesize=$[1024 * 1024] --open-au-nr=1 --open-au --offset=$[16 * 1024 * 1024 - 16384] --random 1MiB 12.3M/s 512KiB 20.5M/s 256KiB 26.3M/s 128KiB 12.6M/s 64KiB 12.6M/s 32KiB 11.5M/s 16KiB 9.57M/s 8KiB 4.04M/s 4KiB 1.77M/s 2KiB 686K/s 1KiB 341K/s 512B 163K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --blocksize=4096 --erasesize=$[1024 * 1024] --open-au-nr=2 --open-au --offset=$[16 * 1024 * 1024 -16384] --random 1MiB 12.7M/s 512KiB 27.4M/s 256KiB 25.6M/s 128KiB 12.6M/s 64KiB 12.6M/s 32KiB 11.3M/s 16KiB 9.67M/s 8KiB 4M/s 4KiB 1.62M/s 2KiB 739K/s 1KiB 338K/s 512B 163K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --blocksize=4096 --erasesize=$[1024 * 1024] --open-au-nr=3 --open-au --offset=$[16 * 1024 * 1024 -16384] --random 1MiB 12.7M/s 512KiB 27.5M/s 256KiB 26.1M/s 128KiB 12.6M/s 64KiB 12.6M/s 32KiB 11.4M/s 16KiB 9.64M/s 8KiB 3.99M/s 4KiB 1.69M/s # four does not work arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --blocksize=4096 --erasesize=$[1024 * 1024] --open-au-nr=4 --open-au --offset=$[16 * 1024 * 1024 - 16384] --random 1MiB 14.9M/s 512KiB 21.6M/s 256KiB 17.3M/s 128KiB 9.07M/s 64KiB 5.77M/s 32KiB 3.14M/s 16KiB 1.71M/s 8KiB 835K/s 4KiB 399K/s # using plain 16 MB offset does not work arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --blocksize=4096 --erasesize=$[1024 * 1024] --open-au-nr=3 --open-au --offset=$[16 * 1024 * 1024 ] --random 1MiB 12.7M/s 512KiB 26.4M/s 256KiB 12.9M/s 128KiB 6.23M/s 64KiB 12.4M/s 32KiB 7.78M/s 16KiB 7.59M/s 8KiB 3.02M/s 4KiB 1.65M/s # linear: arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --blocksize=512 --erasesize=$[1024 * 1024] --open-au-nr=3 --open-au --offset=$[16 * 1024 * 1024 -16384 ] 1MiB 26.1M/s 512KiB 28.2M/s 256KiB 27.1M/s 128KiB 26M/s 64KiB 25.9M/s 32KiB 21.3M/s 16KiB 16.2M/s 8KiB 10.7M/s 4KiB 6.45M/s 2KiB 2.56M/s 1KiB 1.23M/s 512B 600K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --blocksize=512 --erasesize=$[1024 * 1024] --open-au-nr=4 --open-au --offset=$[16 * 1024 * 1024 -16384 ] 1MiB 28M/s 512KiB 27.9M/s 256KiB 27.2M/s 128KiB 26M/s 64KiB 25.5M/s 32KiB 21.5M/s 16KiB 13.2M/s 8KiB 10.8M/s 4KiB 5.24M/s 2KiB 2.66M/s 1KiB 1.22M/s 512B 584K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --blocksize=512 --erasesize=$[1024 * 1024] --open-au-nr=5 --open-au --offset=$[16 * 1024 * 1024 -16384 ] 1MiB 27.7M/s 512KiB 22.8M/s 256KiB 27.1M/s 128KiB 25.9M/s 64KiB 25.4M/s 32KiB 21.5M/s 16KiB 15.3M/s 8KiB 8.37M/s 4KiB 6.46M/s 2KiB 2.6M/s 1KiB 1.23M/s 512B 588K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --blocksize=512 --erasesize=$[1024 * 1024] --open-au-nr=5 --open-au --offset=$[16 * 1024 * 1024 -16384 ] 1MiB 13M/s 512KiB 27.7M/s 256KiB 26.9M/s 128KiB 25.4M/s 64KiB 25.7M/s 32KiB 21.2M/s 16KiB 16.1M/s 8KiB 10.7M/s 4KiB 6.44M/s 2KiB 2.51M/s 1KiB 1.2M/s 512B 578K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --blocksize=512 --erasesize=$[1024 * 1024] --open-au-nr=6 --open-au --offset=$[16 * 1024 * 1024 -16384 ] 1MiB 24M/s 512KiB 27.6M/s 256KiB 27M/s 128KiB 25.3M/s 64KiB 24.5M/s 32KiB 21.2M/s 16KiB 12.9M/s 8KiB 10.4M/s 4KiB 6.41M/s 2KiB 2.6M/s 1KiB 1.23M/s 512B 577K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --blocksize=512 --erasesize=$[1024 * 1024] --open-au-nr=7 --open-au --offset=$[16 * 1024 * 1024 -16384 ] 1MiB 14.4M/s 512KiB 24.2M/s 256KiB 27.1M/s 128KiB 25.7M/s 64KiB 25.6M/s 32KiB 18.3M/s 16KiB 16M/s 8KiB 10.8M/s 4KiB 6.47M/s 2KiB 2.62M/s 1KiB 1.2M/s 512B 558K/s # 8 AUs is too much arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --blocksize=512 --erasesize=$[1024 * 1024] --open-au-nr=8 --open-au --offset=$[16 * 1024 * 1024 -16384 ] 1MiB 27.5M/s 512KiB 14.3M/s 256KiB 6.83M/s 128KiB 3.28M/s 64KiB 1.62M/s 32KiB 779K/s ^C # wrong offset, linear: arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --blocksize=512 --erasesize=$[1024 * 1024] --open-au-nr=7 --open-au --offset=$[16 * 1024 * 1024 ] 1MiB 17.2M/s 512KiB 9.98M/s 256KiB 9.56M/s 128KiB 9.17M/s 64KiB 9.12M/s 32KiB 6.75M/s 16KiB 9.87M/s 8KiB 7.17M/s 4KiB 5.17M/s 2KiB 2.42M/s 1KiB 1.09M/s 512B 568K/s

14 years, 9 months

1
0
0 0

STEC USB MFD 8 GB

by Arnd Bergmann

Bus 001 Device 007: ID 136b:0918 STEC $ sudo fdisk -lu /dev/sdc Disk /dev/sdc: 8399 MB, 8399978496 bytes 255 heads, 63 sectors/track, 1021 cylinders, total 16406208 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0xe0230500 Device Boot Start End Blocks Id System /dev/sdc1 * 63 16064 8001 41 PPC PReP Boot /dev/sdc2 16065 224909 104422+ 83 Linux /dev/sdc3 224910 16402364 8088727+ 8e Linux LVM arnd@klappe2:~/git/flashbench$ sudo ./flashbench -a /dev/sdc --count=32 --blocksize=1024 align 1610612736 pre 1.37ms on 1.37ms post 1.37ms diff -777ns align 1073741824 pre 1.36ms on 1.37ms post 1.36ms diff 9.34µs align 805306368 pre 1.36ms on 1.36ms post 1.33ms diff 12.1µs align 536870912 pre 1.37ms on 1.34ms post 1.32ms diff -1903ns align 402653184 pre 1.31ms on 1.31ms post 1.29ms diff 7.38µs align 268435456 pre 1.37ms on 1.37ms post 1.37ms diff 1.56µs align 201326592 pre 1.37ms on 1.37ms post 1.37ms diff -1533ns align 134217728 pre 1.37ms on 1.37ms post 1.37ms diff 853ns align 100663296 pre 1.36ms on 1.37ms post 1.36ms diff 14.7µs align 67108864 pre 1.37ms on 1.38ms post 1.34ms diff 16.9µs align 50331648 pre 1.29ms on 1.32ms post 1.29ms diff 29.9µs align 33554432 pre 1.29ms on 1.32ms post 1.29ms diff 29.3µs align 25165824 pre 1.29ms on 1.3ms post 1.28ms diff 16.4µs align 16777216 pre 1.29ms on 1.31ms post 1.28ms diff 21.4µs align 12582912 pre 1.3ms on 1.31ms post 1.28ms diff 19.7µs align 8388608 pre 1.3ms on 1.31ms post 1.3ms diff 3.85µs align 6291456 pre 1.31ms on 1.31ms post 1.3ms diff 5.76µs align 4194304 pre 1.3ms on 1.31ms post 1.3ms diff 11.6µs align 3145728 pre 1.29ms on 1.31ms post 1.3ms diff 19.6µs align 2097152 pre 1.28ms on 1.31ms post 1.28ms diff 24.1µs align 1572864 pre 1.3ms on 1.31ms post 1.31ms diff 7.45µs align 1048576 pre 1.31ms on 1.31ms post 1.3ms diff 7.2µs align 786432 pre 1.29ms on 1.31ms post 1.3ms diff 14.5µs align 524288 pre 1.3ms on 1.31ms post 1.28ms diff 15.2µs align 393216 pre 1.28ms on 1.31ms post 1.29ms diff 22.7µs align 262144 pre 1.41ms on 1.42ms post 1.3ms diff 70.9µs align 196608 pre 1.41ms on 1.42ms post 1.29ms diff 71.3µs align 131072 pre 1.41ms on 1.42ms post 1.29ms diff 69.7µs align 98304 pre 1.4ms on 1.42ms post 1.31ms diff 70.1µs align 65536 pre 1.42ms on 1.42ms post 1.29ms diff 64.2µs align 49152 pre 1.37ms on 1.43ms post 1.31ms diff 95µs align 32768 pre 1.36ms on 1.38ms post 1.27ms diff 67.5µs align 24576 pre 1.28ms on 1.3ms post 1.3ms diff 13.2µs align 16384 pre 1.42ms on 1.4ms post 1.29ms diff 44.1µs align 12288 pre 1.3ms on 1.31ms post 1.28ms diff 18.9µs align 8192 pre 1.29ms on 1.31ms post 1.3ms diff 12.2µs align 6144 pre 1.29ms on 1.31ms post 1.3ms diff 13.5µs align 4096 pre 1.3ms on 1.31ms post 1.3ms diff 9.87µs align 3072 pre 1.28ms on 1.31ms post 1.3ms diff 17.2µs align 2048 pre 1.3ms on 1.31ms post 1.31ms diff 4.48µs arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --blocksize=1024 --erasesize=$[1 * 1024 * 1024] --open-au --open-au-nr=1 --offset=$[4 * 1024 * 1024] 1MiB 5.14M/s 512KiB 4.52M/s 256KiB 4.5M/s 128KiB 4.47M/s 64KiB 5.27M/s 32KiB 4.35M/s 16KiB 4.09M/s 8KiB 4.02M/s 4KiB 3.4M/s 2KiB 2.22M/s 1KiB 1.67M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --blocksize=1024 --erasesize=$[1 * 1024 * 1024] --open-au --open-au-nr=4 --offset=$[4 * 1024 * 1024] 1MiB 5.27M/s 512KiB 4.25M/s 256KiB 2.78M/s 128KiB 2.29M/s 64KiB 1.28M/s 32KiB 684K/s 16KiB 425K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --blocksize=1024 --erasesize=$[1 * 1024 * 1024] --open-au --open-au-nr=2 --offset=$[4 * 1024 * 1024] 1MiB 5.24M/s 512KiB 3.78M/s 256KiB 3.04M/s 128KiB 2.1M/s 64KiB 1.16M/s 32KiB 746K/s 16KiB 583K/s 8KiB 254K/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --blocksize=1024 --erasesize=$[1 * 1024 * 1024] --open-au --open-au-nr=1 --offset=$[4 * 1024 * 1024] --random 1MiB 5.14M/s 512KiB 3.9M/s 256KiB 3.26M/s 128KiB 2.62M/s 64KiB 1.16M/s 32KiB 627K/s 16KiB 394K/s 8KiB 224K/s 4KiB 103K/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --blocksize=512 --erasesize=$[128 * 1024] --open-au-nr=1 --open-au --offset=$[304 * 1024 + 0 * 1024] 128KiB 6.28M/s 64KiB 6.44M/s 32KiB 6.22M/s 16KiB 5.74M/s 8KiB 4.93M/s 4KiB 3.88M/s 2KiB 2.63M/s 1KiB 1.77M/s 512B 959K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --blocksize=512 --erasesize=$[128 * 1024] --open-au-nr=1 --open-au --offset=$[304 * 1024 + 128 * 1024] 128KiB 6.09M/s 64KiB 6.48M/s 32KiB 6.18M/s 16KiB 5.71M/s 8KiB 5.05M/s 4KiB 3.87M/s 2KiB 2.63M/s 1KiB 1.78M/s 512B 944K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --blocksize=512 --erasesize=$[128 * 1024] --open-au-nr=1 --open-au --offset=$[302 * 1024 + 128 * 1024] 128KiB 1.43M/s 64KiB 3.66M/s 32KiB 1.41M/s 16KiB 1.38M/s 8KiB 3.15M/s 4KiB 1.24M/s 2KiB 1.07M/s 1KiB 1.46M/s 512B 633K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --blocksize=512 --erasesize=$[128 * 1024] --open-au-nr=1 --open-au --offset=$[306 * 1024 + 128 * 1024] 128KiB 6.13M/s 64KiB 1.42M/s 32KiB 3.57M/s 16KiB 1.38M/s 8KiB 1.33M/s 4KiB 2.66M/s 2KiB 1.07M/s 1KiB 893K/s 512B 863K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --blocksize=512 --erasesize=$[128 * 1024] --open-au-nr=1 --open-au --offset=$[304 * 1024 + 128 * 1024] --random 128KiB 6.35M/s 64KiB 4.79M/s 32KiB 2.89M/s 16KiB 1.34M/s 8KiB 691K/s 4KiB 401K/s 2KiB 178K/s 1KiB 90.8K/s 512B 45K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --blocksize=512 --erasesize=$[128 * 1024] --open-au-nr=2 --open-au --offset=$[304 * 1024] 128KiB 6.42M/s 64KiB 2.04M/s 32KiB 1.19M/s 16KiB 466K/s 8KiB 248K/s 4KiB 117K/s 2KiB 59.5K/s 1KiB 29K/s 512B 14.6K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --blocksize=512 --erasesize=$[64 * 1024] --open-au-nr=1 --open-au --offset=$[304 * 1024] 64KiB 5.93M/s 32KiB 2.4M/s 16KiB 2.33M/s 8KiB 2.2M/s 4KiB 1.95M/s 2KiB 1.58M/s 1KiB 1.19M/s 512B 777K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --blocksize=4096 --erasesize=$[128 * 1024] --open-au-nr=6 --findfat --fat-nr=9 128KiB 859K/s 1.03M/s 1.78M/s 6.47M/s 6.48M/s 6.47M/s 6.48M/s 6.47M/s 6.48M/s 64KiB 705K/s 815K/s 2.12M/s 6.47M/s 6.43M/s 6.47M/s 6.47M/s 6.43M/s 6.47M/s 32KiB 771K/s 812K/s 1.79M/s 6.24M/s 6.21M/s 6.21M/s 6.14M/s 6.24M/s 6.16M/s 16KiB 775K/s 812K/s 1.58M/s 4.77M/s 5.19M/s 4.61M/s 5.05M/s 5.71M/s 5.7M/s 8KiB 745K/s 785K/s 1.66M/s 5.02M/s 5.04M/s 5.02M/s 4.66M/s 5.02M/s 5.02M/s 4KiB 774K/s 758K/s 1.53M/s 3.87M/s 3.86M/s 3.87M/s 3.87M/s 3.82M/s 3.89M/s

14 years, 9 months

1
0
0 0

8 GB USB MFD prototype (smart modular tech) CUG40041 (eUSB 8GB SMI325AC)

by Arnd Bergmann

$ lsusb Bus 001 Device 004: ID 0e39:2b00 Smart Modular Technologies, Inc. $ fdisk -lu Disk /dev/sdd: 8 GB, 8052549120 bytes 255 heads, 63 sectors/track, 979 cylinders, total 15727635 sectors Units = sectors of 1 * 512 = 512 bytes Device Boot Start End Blocks Id System /dev/sdd1 * 63 15728638 7871818 b FAT32 Warning: Partition 1 does not end on cylinder boundary. arnd@wuerfel:~/flashbench$ sudo sdparm --all /dev/sdd /dev/sdd: SMART eUSB 870C Read write error recovery mode page: AWRE 0 [cha: n, def: 0] ARRE 0 [cha: n, def: 0] TB 0 [cha: n, def: 0] RC 0 [cha: n, def: 0] EER 0 [cha: n, def: 0] PER 0 [cha: n, def: 0] DTE 0 [cha: n, def: 0] DCR 0 [cha: n, def: 0] RRC 3 [cha: n, def: 3] COR_S 0 [cha: n, def: 0] HOC 0 [cha: n, def: 0] DSOC 0 [cha: n, def: 0] WRC 128 [cha: n, def:128] RTL 0 [cha: n, def: 0] Informational exceptions control mode page: PERF 0 [cha: n, def: 0] EBF 0 [cha: n, def: 0] EWASC 0 [cha: n, def: 0] DEXCPT 0 [cha: n, def: 0] TEST 0 [cha: n, def: 0] EBACKERR 0 [cha: n, def: 0] LOGERR 0 [cha: n, def: 0] MRIE 5 [cha: n, def: 5] INTT 28 [cha: n, def: 28] Background control (SBC) mode page: S_L_FULL 0 [cha: n, def: 0] LOWIR 0 [cha: n, def: 0] EN_BMS 0 [cha: n, def: 0] EN_PS 0 [cha: n, def: 0] BMS_I 28 [cha: n, def: 28] arnd@wuerfel:~/flashbench$ sudo fsck.msdos /dev/sdd1 dosfsck 3.0.9, 31 Jan 2010, FAT32, LFN /dev/sdd1: 1 files, 1/1962235 clusters arnd@wuerfel:~/flashbench$ sudo ./flashbench -a /dev/sdd --blocksize=1024 align 1073741824 pre 472µs on 507µs post 492µs diff 24.7µs align 536870912 pre 471µs on 505µs post 488µs diff 26µs align 268435456 pre 477µs on 504µs post 490µs diff 20µs align 134217728 pre 467µs on 500µs post 484µs diff 24.5µs align 67108864 pre 484µs on 501µs post 484µs diff 17.2µs align 33554432 pre 492µs on 510µs post 493µs diff 18.2µs align 16777216 pre 487µs on 508µs post 477µs diff 26.2µs align 8388608 pre 481µs on 508µs post 484µs diff 24.7µs align 4194304 pre 486µs on 503µs post 490µs diff 15.8µs align 2097152 pre 483µs on 506µs post 473µs diff 27.7µs align 1048576 pre 484µs on 487µs post 487µs diff 2.27µs align 524288 pre 483µs on 483µs post 473µs diff 5.32µs align 262144 pre 485µs on 490µs post 488µs diff 3.68µs align 131072 pre 486µs on 489µs post 488µs diff 1.87µs align 65536 pre 483µs on 492µs post 490µs diff 6.09µs align 32768 pre 489µs on 491µs post 489µs diff 2.37µs align 16384 pre 490µs on 495µs post 490µs diff 4.68µs align 8192 pre 488µs on 491µs post 493µs diff 160ns align 4096 pre 490µs on 491µs post 491µs diff 863ns align 2048 pre 488µs on 487µs post 490µs diff -1492ns arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdd1 --open-au --blocksize=512 --erasesize=2097152 --open-au-nr=1 2MiB 15.2M/s 1MiB 13.3M/s 512KiB 21M/s 256KiB 19.9M/s 128KiB 18.9M/s 64KiB 17.3M/s 32KiB 11.8M/s 16KiB 8.96M/s 8KiB 5.06M/s 4KiB 2.74M/s 2KiB 1.45M/s 1KiB 744K/s 512B 384K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdd1 --open-au --blocksize=4096 --erasesize=2097152 --open-au-nr=2 2MiB 22M/s 1MiB 11.4M/s 512KiB 21.7M/s 256KiB 9.28M/s 128KiB 19.3M/s 64KiB 17.6M/s 32KiB 11.8M/s 16KiB 9.1M/s 8KiB 5.03M/s 4KiB 2.8M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdd1 --open-au --blocksize=4096 --erasesize=2097152 --open-au-nr=4 2MiB 18.5M/s 1MiB 14.6M/s 512KiB 14.3M/s 256KiB 13.8M/s 128KiB 13.3M/s 64KiB 12.4M/s 32KiB 9.21M/s 16KiB 7.39M/s 8KiB 4.54M/s 4KiB 2.62M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdd1 --open-au --blocksize=4096 --erasesize=2097152 --open-au-nr=5 2MiB 13M/s 1MiB 8M/s 512KiB 4.56M/s 256KiB 2.67M/s 128KiB 1.46M/s 64KiB 762K/s 32KiB 388K/s 16KiB 514K/s 8KiB 4.28M/s 4KiB 2.61M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdd1 --open-au --blocksize=4096 --erasesize=2097152 --open-au-nr=6 2MiB 15M/s 1MiB 7.9M/s 512KiB 4.6M/s 256KiB 2.67M/s 128KiB 1.46M/s ^C arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdd1 --open-au --blocksize=4096 --erasesize=2097152 --open-au-nr=4 --random 2MiB 15.6M/s 1MiB 8.53M/s 512KiB 7.68M/s 256KiB 6.71M/s 128KiB 7.11M/s 64KiB 5.7M/s 32KiB 5.23M/s 16KiB 2.79M/s 8KiB 1.66M/s 4KiB 886K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdd1 --open-au --blocksize=4096 --erasesize=2097152 --open-au-nr=5 --random 2MiB 12.6M/s 1MiB 6.85M/s 512KiB 6.7M/s 256KiB 5.79M/s 128KiB 6.27M/s 64KiB 4.94M/s 32KiB 4.63M/s 16KiB 2.69M/s 8KiB 1.61M/s 4KiB 879K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdd1 --open-au --blocksize=4096 --erasesize=2097152 --open-au-nr=5 2MiB 12.1M/s 1MiB 14.9M/s 512KiB 14.4M/s 256KiB 14M/s 128KiB 13.4M/s 64KiB 12.5M/s 32KiB 9.36M/s 16KiB 7.53M/s 8KiB 4.57M/s 4KiB 2.63M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdd1 --open-au --blocksize=4096 --erasesize=2097152 --open-au-nr=6 --random 2MiB 12.8M/s 1MiB 7.19M/s 512KiB 4.84M/s 256KiB 2.72M/s 128KiB 1.47M/s 64KiB 768K/s ^C arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdd1 --blocksize=4096 --erasesize=$[2*1024*1024] --findfat --fat-nr=10 2MiB 7.71M/s 11.2M/s 11.1M/s 12.4M/s 12.2M/s 12.1M/s 12.3M/s 22.9M/s 23M/s 23M/s 1MiB 12M/s 12M/s 12.1M/s 12.2M/s 11.4M/s 11.4M/s 11.4M/s 22.8M/s 22.8M/s 22.8M/s 512KiB 6.77M/s 11.1M/s 11.1M/s 12M/s 11.9M/s 11.9M/s 11.9M/s 22M/s 22M/s 22M/s 256KiB 7.44M/s 11.5M/s 11.4M/s 11.6M/s 10.7M/s 10.7M/s 10.7M/s 20.9M/s 20.8M/s 20.7M/s 128KiB 10.1M/s 10.3M/s 10.3M/s 11.2M/s 10.1M/s 10.2M/s 10.1M/s 19.7M/s 19.4M/s 19.5M/s 64KiB 6.67M/s 9.68M/s 9.65M/s 10.5M/s 10.5M/s 10.4M/s 10.5M/s 17.9M/s 17.7M/s 17.7M/s 32KiB 6.17M/s 5.71M/s 5.61M/s 5.7M/s 5.73M/s 5.74M/s 5.72M/s 12M/s 12M/s 12M/s 16KiB 3.73M/s 4.9M/s 4.87M/s 4.88M/s 4.65M/s 4.72M/s 4.71M/s 8.98M/s 9.18M/s 9.21M/s 8KiB 3M/s 3M/s 3M/s 3.08M/s 3.06M/s 3.07M/s 3.06M/s 5.14M/s 5.12M/s 5.11M/s 4KiB 1.64M/s 1.8M/s 1.8M/s 1.8M/s 1.79M/s 1.79M/s 1.8M/s 2.8M/s 2.81M/s 2.81M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdd1 --blocksize=4096 --erasesize=$[2*1024*1024] --findfat --fat-nr=10 --random 2MiB 11.7M/s 11.7M/s 11.9M/s 12.3M/s 12.2M/s 12.2M/s 12.2M/s 23M/s 23M/s 23M/s 1MiB 6.88M/s 12M/s 11.9M/s 12.2M/s 11.4M/s 11.4M/s 11.4M/s 11.1M/s 11M/s 11M/s 512KiB 9.65M/s 9.72M/s 11.8M/s 9.7M/s 11.1M/s 11.1M/s 11M/s 10.8M/s 10.8M/s 10.8M/s 256KiB 6.61M/s 9.51M/s 11.5M/s 9.47M/s 10.6M/s 10.7M/s 10.7M/s 10.5M/s 10.5M/s 10.4M/s 128KiB 6.77M/s 9.14M/s 11M/s 9.11M/s 9.93M/s 9.98M/s 9.98M/s 9.77M/s 9.75M/s 9.8M/s 64KiB 5.97M/s 8.29M/s 10.4M/s 8.31M/s 9.39M/s 9.37M/s 9.41M/s 9.07M/s 8.91M/s 9.03M/s 32KiB 5.14M/s 5.68M/s 8.08M/s 8.12M/s 8.07M/s 8.07M/s 8.1M/s 6.44M/s 6.43M/s 6.62M/s 16KiB 5.2M/s 5.22M/s 4.35M/s 4.11M/s 4.24M/s 4.23M/s 4.24M/s 4.38M/s 4.36M/s 4.38M/s 8KiB 2.4M/s 2.72M/s 2.8M/s 2.72M/s 2.72M/s 2.74M/s 2.73M/s 2.49M/s 2.49M/s 2.48M/s 4KiB 1.57M/s 1.57M/s 1.59M/s 1.57M/s 1.57M/s 1.57M/s 1.57M/s 1.5M/s 1.5M/s 1.49M/s

14 years, 9 months

1
1
0 0

Transcend Class 10 SDHC 32 GB

by Arnd Bergmann

==> /sys/block/mmcblk0/device/cid <== 744a455344432020000000037200b200 ==> /sys/block/mmcblk0/device/csd <== 400e00325b590000f1dd7f800a400000 ==> /sys/block/mmcblk0/device/date <== 02/2011 ==> /sys/block/mmcblk0/device/erase_size <== 512 ==> /sys/block/mmcblk0/device/fwrev <== 0x0 ==> /sys/block/mmcblk0/device/hwrev <== 0x0 ==> /sys/block/mmcblk0/device/manfid <== 0x000074 ==> /sys/block/mmcblk0/device/name <== SDC ==> /sys/block/mmcblk0/device/oemid <== 0x4a45 ==> /sys/block/mmcblk0/device/preferred_erase_size <== 4194304 ==> /sys/block/mmcblk0/device/scr <== 0235800000000000 ==> /sys/block/mmcblk0/device/serial <== 0x00000372 Disk /dev/mmcblk0: 32.5 GB, 32462864384 bytes 255 heads, 63 sectors/track, 3946 cylinders, total 63404032 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00099590 Device Boot Start End Blocks Id System /dev/mmcblk0p1 8192 63404031 31697920 83 Linux arnd@klappe2:~/git/flashbench$ sudo ./flashbench -a /dev/mmcblk0 --blocksize=1024 align 6442450944 pre 611µs on 1.11ms post 903µs diff 354µs align 4294967296 pre 678µs on 1.12ms post 897µs diff 330µs align 3221225472 pre 631µs on 1.12ms post 895µs diff 353µs align 2147483648 pre 649µs on 1.1ms post 897µs diff 323µs align 1610612736 pre 565µs on 990µs post 895µs diff 259µs align 1073741824 pre 637µs on 1.09ms post 896µs diff 328µs align 805306368 pre 566µs on 992µs post 897µs diff 261µs align 536870912 pre 565µs on 992µs post 898µs diff 261µs align 402653184 pre 554µs on 990µs post 900µs diff 263µs align 268435456 pre 669µs on 1.1ms post 1.01ms diff 263µs align 201326592 pre 542µs on 937µs post 810µs diff 260µs align 134217728 pre 544µs on 1.01ms post 888µs diff 298µs align 100663296 pre 535µs on 933µs post 809µs diff 261µs align 67108864 pre 537µs on 937µs post 810µs diff 263µs align 50331648 pre 539µs on 933µs post 789µs diff 269µs align 33554432 pre 602µs on 1.08ms post 885µs diff 334µs align 25165824 pre 600µs on 1.08ms post 883µs diff 334µs align 16777216 pre 609µs on 1.08ms post 886µs diff 331µs align 12582912 pre 600µs on 1.08ms post 888µs diff 334µs align 8388608 pre 609µs on 1.08ms post 889µs diff 333µs align 6291456 pre 720µs on 962µs post 958µs diff 123µs align 4194304 pre 603µs on 1.07ms post 885µs diff 323µs align 3145728 pre 661µs on 988µs post 913µs diff 201µs align 2097152 pre 685µs on 954µs post 928µs diff 147µs align 1572864 pre 694µs on 956µs post 927µs diff 145µs align 1048576 pre 690µs on 960µs post 933µs diff 149µs align 786432 pre 692µs on 955µs post 929µs diff 145µs align 524288 pre 700µs on 957µs post 930µs diff 143µs align 393216 pre 675µs on 957µs post 928µs diff 155µs align 262144 pre 674µs on 951µs post 923µs diff 153µs align 196608 pre 699µs on 948µs post 922µs diff 138µs align 131072 pre 685µs on 954µs post 916µs diff 154µs align 98304 pre 669µs on 941µs post 857µs diff 178µs align 65536 pre 701µs on 942µs post 940µs diff 122µs align 49152 pre 669µs on 899µs post 900µs diff 115µs align 32768 pre 634µs on 906µs post 857µs diff 161µs align 24576 pre 605µs on 931µs post 886µs diff 186µs align 16384 pre 627µs on 921µs post 867µs diff 174µs align 12288 pre 787µs on 782µs post 757µs diff 10.1µs align 8192 pre 595µs on 943µs post 896µs diff 198µs align 6144 pre 669µs on 668µs post 631µs diff 18µs align 4096 pre 743µs on 742µs post 707µs diff 17.1µs align 3072 pre 782µs on 784µs post 743µs diff 21.1µs align 2048 pre 819µs on 819µs post 783µs diff 18.2µs arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --blocksize=512 --erasesize=4194304 --open-au-nr=1 4MiB 5.52M/s 2MiB 10.9M/s 1MiB 10.9M/s 512KiB 10.2M/s 256KiB 10.6M/s 128KiB 10.7M/s 64KiB 10.7M/s 32KiB 6.85M/s 16KiB 4.48M/s 8KiB 2.51M/s 4KiB 1.62M/s 2KiB 970K/s 1KiB 534K/s 512B 309K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --blocksize=4096 --erasesize=4194304 --open-au-nr=2 4MiB 6.7M/s 2MiB 10.8M/s 1MiB 11.2M/s 512KiB 11.2M/s 256KiB 11.1M/s 128KiB 11.1M/s 64KiB 11.1M/s 32KiB 7.28M/s 16KiB 4.81M/s 8KiB 2.49M/s 4KiB 1.38M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --blocksize=4096 --erasesize=4194304 --open-au-nr=3 4MiB 11.4M/s 2MiB 8.11M/s 1MiB 6.49M/s 512KiB 11.7M/s 256KiB 11.6M/s 128KiB 11.5M/s 64KiB 11.7M/s 32KiB 7.62M/s 16KiB 5.18M/s 8KiB 2.64M/s 4KiB 1.46M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --blocksize=4096 --erasesize=4194304 --open-au-nr=4 4MiB 11.8M/s 2MiB 9.11M/s 1MiB 11.8M/s 512KiB 11.8M/s 256KiB 11.7M/s 128KiB 11.6M/s 64KiB 11.6M/s 32KiB 7.76M/s 16KiB 5.22M/s 8KiB 2.69M/s 4KiB 1.46M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --blocksize=4096 --erasesize=4194304 --open-au-nr=5 --random 4MiB 10.7M/s 2MiB 10.7M/s 1MiB 10.6M/s 512KiB 10.6M/s 256KiB 10.6M/s 128KiB 10.4M/s 64KiB 10.2M/s 32KiB 6.57M/s 16KiB 4.23M/s 8KiB 1.64M/s 4KiB 814K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --blocksize=4096 --erasesize=4194304 --open-au-nr=5 4MiB 11.6M/s 2MiB 9.32M/s 1MiB 11.6M/s 512KiB 11.6M/s 256KiB 11.5M/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --blocksize=4096 --erasesize=4194304 --open-au-nr=6 4MiB 9.38M/s 2MiB 4.49M/s 1MiB 2.04M/s 512KiB 1.11M/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --blocksize=4096 --erasesize=4194304 --open-au-nr=6 --random 4MiB 5.63M/s 2MiB 3.69M/s 1MiB 1.97M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/mmcblk0 --blocksize=4096 --erasesize=4194304 --open-au-nr=6 --random --findfat --fat-nr=5 4MiB 10.7M/s 10.7M/s 10.8M/s 10.9M/s 10.9M/s 2MiB 10.6M/s 10.9M/s 11M/s 10.7M/s 10.8M/s 1MiB 10.7M/s 10.7M/s 10.6M/s 10.9M/s 10.9M/s 512KiB 10.8M/s 10.7M/s 10.9M/s 10.7M/s 10.8M/s 256KiB 10.5M/s 10.9M/s 10.9M/s 10.9M/s 10.7M/s 128KiB 10.7M/s 10.8M/s 10.7M/s 10.6M/s 10.7M/s 64KiB 10.7M/s 10.7M/s 10.5M/s 10.7M/s 10.7M/s 32KiB 6.91M/s 7.06M/s 7.03M/s 7.07M/s 6.92M/s 16KiB 4.52M/s 4.49M/s 4.52M/s 4.49M/s 4.49M/s 8KiB 1.72M/s 1.73M/s 1.71M/s 1.71M/s 1.71M/s 4KiB 863K/s 850K/s 842K/s 782K/s 854K/s

14 years, 9 months

1
0
0 0

8 GB Transcend CF 133x

by Arnd Bergmann

Disk /dev/sdc: 8 GB, 8011422720 bytes 255 heads, 63 sectors/track, 974 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdc1 * 1 973 7815591 b FAT32 arnd@wuerfel:~/flashbench$ sudo ./flashbench -a /dev/sdc --blocksize=1024 align 1073741824 pre 614µs on 711µs post 616µs diff 96.2µs align 536870912 pre 599µs on 702µs post 597µs diff 104µs align 268435456 pre 591µs on 717µs post 592µs diff 126µs align 134217728 pre 598µs on 686µs post 590µs diff 92.2µs align 67108864 pre 595µs on 688µs post 596µs diff 92.2µs align 33554432 pre 600µs on 722µs post 595µs diff 124µs align 16777216 pre 595µs on 705µs post 591µs diff 112µs align 8388608 pre 594µs on 672µs post 601µs diff 74.1µs align 4194304 pre 611µs on 706µs post 616µs diff 92.6µs align 2097152 pre 611µs on 722µs post 611µs diff 110µs align 1048576 pre 603µs on 619µs post 619µs diff 7.93µs align 524288 pre 613µs on 616µs post 615µs diff 1.22µs align 262144 pre 610µs on 614µs post 617µs diff 923ns align 131072 pre 611µs on 617µs post 614µs diff 4.7µs align 65536 pre 614µs on 619µs post 620µs diff 1.61µs align 32768 pre 609µs on 618µs post 615µs diff 5.75µs align 16384 pre 612µs on 617µs post 617µs diff 2.55µs align 8192 pre 609µs on 611µs post 609µs diff 1.91µs align 4096 pre 605µs on 604µs post 606µs diff -1900ns align 2048 pre 609µs on 617µs post 616µs diff 4.75µs arnd@wuerfel:~/flashbench$ sudo ./flashbench --erasesize=2097152 /dev/sdc --open-au --open-au-nr=1 --blocksize=512 2MiB 15.9M/s 1MiB 15.8M/s 512KiB 15.5M/s 256KiB 15.5M/s 128KiB 13.8M/s 64KiB 17.2M/s 32KiB 16.5M/s 16KiB 14.8M/s 8KiB 5.39M/s 4KiB 2.78M/s 2KiB 1.41M/s 1KiB 827K/s 512B 440K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --erasesize=2097152 /dev/sdc --open-au --open-au-nr=3 --blocksize=512 2MiB 15.7M/s 1MiB 10.2M/s 512KiB 15.6M/s 256KiB 15.7M/s 128KiB 13.9M/s 64KiB 17.5M/s 32KiB 16.8M/s 16KiB 14.6M/s 8KiB 5.4M/s 4KiB 2.7M/s 2KiB 1.41M/s 1KiB 814K/s 512B 442K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --erasesize=2097152 /dev/sdc --open-au --blocksize=8192 --random --open-au-nr=3 2MiB 15.8M/s 1MiB 11M/s 512KiB 5.81M/s 256KiB 4.11M/s 128KiB 5.5M/s 64KiB 5.85M/s 32KiB 2.97M/s 16KiB 2.69M/s 8KiB 1.68M/s (again:) arnd@wuerfel:~/flashbench$ sudo ./flashbench --erasesize=2097152 /dev/sdc --open-au --blocksize=8192 --random --open-au-nr=3 2MiB 5.2M/s 1MiB 5.2M/s 512KiB 5.13M/s 256KiB 5.19M/s 128KiB 4.89M/s 64KiB 4.07M/s 32KiB 3.83M/s 16KiB 2.89M/s 8KiB 1.61M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --erasesize=2097152 /dev/sdc --open-au --blocksize=8192 --open-au-nr=3 2MiB 5.94M/s 1MiB 4.58M/s 512KiB 5.97M/s 256KiB 5.09M/s 128KiB 5.9M/s 64KiB 5.66M/s 32KiB 9.88M/s 16KiB 14.8M/s 8KiB 5.42M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --erasesize=2097152 /dev/sdc --open-au --blocksize=8192 --open-au-nr=3 2MiB 15.8M/s 1MiB 16M/s 512KiB 16M/s 256KiB 15.7M/s 128KiB 13.8M/s 64KiB 17.7M/s 32KiB 16.8M/s 16KiB 14.8M/s 8KiB 5.2M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --erasesize=2097152 /dev/sdc --open-au --blocksize=8192 --open-au-nr=4 2MiB 11.4M/s 1MiB 11.2M/s 512KiB 4.9M/s 256KiB 2.2M/s 128KiB 941K/s 64KiB 433K/s 32KiB 214K/s 16KiB 107K/s 8KiB 53.2K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --erasesize=2097152 /dev/sdc --open-au --blocksize=8192 --open-au-nr=4 --random 2MiB 6.25M/s 1MiB 6.79M/s 512KiB 4.98M/s 256KiB 4.19M/s 128KiB 4.62M/s 64KiB 5.88M/s 32KiB 3.39M/s 16KiB 3.2M/s 8KiB 1.42M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --erasesize=2097152 /dev/sdc --open-au --blocksize=8192 --open-au-nr=5 --random 2MiB 6.84M/s 1MiB 6.59M/s 512KiB 4.48M/s 256KiB 3.33M/s 128KiB 2.57M/s 64KiB 1.45M/s 32KiB 780K/s 16KiB 398K/s 8KiB 199K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --erasesize=2097152 /dev/sdc --blocksize=8192 -f --fat-nr=8 2MiB 16M/s 16.1M/s 15.9M/s 16M/s 15.8M/s 16M/s 15.8M/s 16M/s 1MiB 16.1M/s 16M/s 16.3M/s 16.1M/s 15.7M/s 16M/s 16.3M/s 16.2M/s 512KiB 15.9M/s 16.1M/s 16.2M/s 16M/s 16M/s 16.1M/s 16.1M/s 15.9M/s 256KiB 16M/s 15.4M/s 15.7M/s 15.8M/s 15.7M/s 15.5M/s 15.9M/s 16.1M/s 128KiB 14.1M/s 14M/s 14M/s 14.1M/s 14.3M/s 14M/s 14M/s 14M/s 64KiB 17.5M/s 17.7M/s 17.9M/s 17.9M/s 17.9M/s 17.8M/s 17.9M/s 17.9M/s 32KiB 16.8M/s 16.8M/s 17M/s 16.8M/s 16.9M/s 16.7M/s 16.6M/s 16.7M/s 16KiB 14.7M/s 14.8M/s 14.8M/s 14.9M/s 14.9M/s 14.9M/s 10.8M/s 14.8M/s 8KiB 5.55M/s 5.51M/s 5.43M/s 5.49M/s 5.55M/s 5.51M/s 5.49M/s 5.49M/s

14 years, 9 months

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WIFI + TV mobile phone with the best price

by Picasa Web Albums

Dear Friends and partners , Our company focus on the OEM and ODM business with mobile phone. Anything more you want to know, please send us email. Best wishes Juce Mobile: 86-13424432252 Tel: 86-0755-85282599 Fax: 86-0755-81752355 E-mail: elink(a)vip.188.com / sales(a)elink-mobile.com Web size: www.elink-mobile.com Factory Address: 5/F, Building 21, ChenTian Industrial Park, Shenzhen, GuangDong Province, China

14 years, 9 months

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USB Stick: 8GB SanDisk Cruzer Micro (2008)

by Sitsofe Wheeler

I'm not really sure how to generate useful results so here's what I've got so far: # lsusb Bus 001 Device 004: ID 0781:5151 SanDisk Corp. Cruzer Micro Flash Drive # ./flashbench -a /dev/sdb --blocksize=1024 align 2147483648 pre 687µs on 599µs post 495µs diff 7.44µs align 1073741824 pre 635µs on 657µs post 499µs diff 90.3µs align 536870912 pre 601µs on 634µs post 495µs diff 86.1µs align 268435456 pre 602µs on 635µs post 490µs diff 89.5µs align 134217728 pre 621µs on 638µs post 496µs diff 79.5µs align 67108864 pre 602µs on 636µs post 509µs diff 80.4µs align 33554432 pre 606µs on 622µs post 494µs diff 71.8µs align 16777216 pre 614µs on 625µs post 498µs diff 69.3µs align 8388608 pre 602µs on 620µs post 490µs diff 73.2µs align 4194304 pre 601µs on 637µs post 508µs diff 83µs align 2097152 pre 601µs on 653µs post 495µs diff 106µs align 1048576 pre 494µs on 584µs post 511µs diff 81.5µs align 524288 pre 491µs on 510µs post 495µs diff 17µs align 262144 pre 491µs on 511µs post 494µs diff 18.2µs align 131072 pre 493µs on 510µs post 494µs diff 16.3µs align 65536 pre 495µs on 513µs post 494µs diff 18.8µs align 32768 pre 490µs on 511µs post 489µs diff 21.6µs align 16384 pre 493µs on 511µs post 494µs diff 17.9µs align 8192 pre 511µs on 514µs post 495µs diff 11µs align 4096 pre 538µs on 530µs post 496µs diff 12.9µs align 2048 pre 506µs on 515µs post 513µs diff 5.52µs # ./flashbench -f /dev/sdb 4MiB 7.41M/s 7.35M/s 7.37M/s 7.33M/s 7.47M/s 7.39M/s 2MiB 7.37M/s 7.38M/s 7.42M/s 7.3M/s 7.1M/s 4.45M/s 1MiB 7.21M/s 7.06M/s 7.05M/s 7.07M/s 7.14M/s 7.22M/s 512KiB 6.97M/s 6.93M/s 6.92M/s 6.79M/s 6.95M/s 6.95M/s 256KiB 7M/s 6.82M/s 6.95M/s 6.89M/s 7.02M/s 6.71M/s 128KiB 7.51M/s 7.8M/s 7.64M/s 7.43M/s 7.6M/s 7.6M/s 64KiB 10.4M/s 10.2M/s 10.1M/s 10.1M/s 10.1M/s 10.2M/s 32KiB 4.53M/s 4.55M/s 4.48M/s 4.53M/s 4.47M/s 4.45M/s 16KiB 3.77M/s 3.73M/s 3.75M/s 3.75M/s 3.74M/s 3.75M/s A further question is how do I use these results so as to get good performance? Should I be setting the first partition in any particular way and/or passing any special options to mkfs.vfat? -- Sitsofe

14 years, 9 months

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flashbench result for SanDisk 31166976 KB SDHC Class4 MMC card

by Amit Pundir

$ sudo ./flashbench -a /dev/mmcblk0 --blocksize=$[4 * 1024] align 8589934592 pre 4.43ms on 4.48ms post 3.9ms diff 320µs align 4294967296 pre 4.56ms on 4.62ms post 4.01ms diff 332µs align 2147483648 pre 4.21ms on 4.45ms post 3.87ms diff 405µs align 1073741824 pre 4.56ms on 4.59ms post 3.97ms diff 327µs align 536870912 pre 4.54ms on 4.5ms post 3.86ms diff 303µs align 268435456 pre 4.49ms on 4.56ms post 3.95ms diff 333µs align 134217728 pre 4.17ms on 4.48ms post 3.87ms diff 459µs align 67108864 pre 4.58ms on 4.61ms post 3.93ms diff 357µs align 33554432 pre 4.02ms on 4.22ms post 3.5ms diff 464µs align 16777216 pre 4.16ms on 4.22ms post 3.55ms diff 367µs align 8388608 pre 4.25ms on 4.2ms post 3.47ms diff 345µs align 4194304 pre 4.16ms on 4.25ms post 3.51ms diff 411µs align 2097152 pre 4.27ms on 4.24ms post 3.54ms diff 340µs align 1048576 pre 4.21ms on 4.32ms post 3.56ms diff 430µs align 524288 pre 4.18ms on 4.26ms post 3.49ms diff 427µs align 262144 pre 3.54ms on 3.58ms post 3.56ms diff 32.1µs align 131072 pre 3.62ms on 3.61ms post 3.54ms diff 29.9µs align 65536 pre 3.44ms on 3.63ms post 3.53ms diff 146µs align 32768 pre 3.55ms on 3.57ms post 3.5ms diff 48µs align 16384 pre 3.44ms on 3.62ms post 3.59ms diff 102µs align 8192 pre 3.62ms on 3.57ms post 3.52ms diff 4.96µs Erase Block size found to be 512KB which is kind of surprising because possibility of a 512KB erase block size is not there in your LWN article. Anyways moving on.. $ sudo ./flashbench -O --erasesize=$[512 * 1024] --blocksize=$[4 * 1024] /dev/mmcblk0 --open-au --random 512KiB 6.14M/s 256KiB 6.39M/s 128KiB 6.3M/s 64KiB 6.16M/s 32KiB 5.75M/s 16KiB 4.64M/s 8KiB 3.39M/s 4KiB 2.23M/s $ sudo ./flashbench -O --erasesize=$[512 * 1024] --blocksize=$[4 * 1024] /dev/mmcblk0 --open-au 512KiB 6.14M/s 256KiB 6.36M/s 128KiB 6.25M/s 64KiB 6.14M/s 32KiB 3.79M/s 16KiB 3.45M/s 8KiB 3.44M/s 4KiB 2.28M/s $ sudo ./flashbench -O --erasesize=$[512 * 1024] --blocksize=$[4 * 1024] /dev/mmcblk0 --open-au-nr=1 --random 512KiB 5.68M/s 256KiB 6.22M/s 128KiB 6.33M/s 64KiB 6.29M/s 32KiB 5.93M/s 16KiB 4.9M/s 8KiB 3.3M/s 4KiB 2.19M/s $ sudo ./flashbench -O --erasesize=$[512 * 1024] --blocksize=$[4 * 1024] /dev/mmcblk0 --open-au-nr=1 512KiB 6.06M/s 256KiB 6.4M/s 128KiB 6.34M/s 64KiB 6.35M/s 32KiB 4.05M/s 16KiB 4.25M/s 8KiB 5.18M/s 4KiB 3.92M/s Got consistent numbers till open erase block = 17 but beyond that also numbers are not that bad as well. $ sudo ./flashbench -O --erasesize=$[512 * 1024] --blocksize=$[4 * 1024] /dev/mmcblk0 --open-au-nr=17 --random 512KiB 5.95M/s 256KiB 5.14M/s 128KiB 4.64M/s 64KiB 5.83M/s 32KiB 5.76M/s 16KiB 4.64M/s 8KiB 2.92M/s 4KiB 2.23M/s $ sudo ./flashbench -O --erasesize=$[512 * 1024] --blocksize=$[4 * 1024] /dev/mmcblk0 --open-au-nr=17 512KiB 6.38M/s 256KiB 6.04M/s 128KiB 6.17M/s 64KiB 5.22M/s 32KiB 4.4M/s 16KiB 4.51M/s 8KiB 2.77M/s 4KiB 2.13M/s $ sudo ./flashbench -O --erasesize=$[512 * 1024] --blocksize=$[4 * 1024] /dev/mmcblk0 --open-au-nr=18 --random 512KiB 4.27M/s 256KiB 4.54M/s 128KiB 4.12M/s 64KiB 4.53M/s 32KiB 4.36M/s 16KiB 2.71M/s 8KiB 1.35M/s 4KiB 1.5M/s $ sudo ./flashbench -O --erasesize=$[512 * 1024] --blocksize=$[4 * 1024] /dev/mmcblk0 --open-au-nr=18 512KiB 6.34M/s 256KiB 5.22M/s 128KiB 5.37M/s 64KiB 4.88M/s 32KiB 5.16M/s 16KiB 3.79M/s 8KiB 3.05M/s 4KiB 2.14M/s

14 years, 9 months

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flashbench result for Transcend Micro SD card adapter and unknown class 3941376 KB micro SD card

by Amit Pundir

manfid = 0x000074 oemid = 0x4a45 $ sudo ./flashbench -a /dev/mmcblk0 --blocksize=$[4 * 1024] align 1073741824 pre 1.81ms on 2.11ms post 1.83ms diff 292µs align 536870912 pre 1.75ms on 2.15ms post 1.81ms diff 367µs align 268435456 pre 1.85ms on 2.05ms post 1.82ms diff 214µs align 134217728 pre 1.84ms on 2.04ms post 1.81ms diff 217µs align 67108864 pre 1.77ms on 2.06ms post 1.82ms diff 263µs align 33554432 pre 1.83ms on 2.04ms post 1.81ms diff 223µs align 16777216 pre 1.8ms on 2.07ms post 1.81ms diff 266µs align 8388608 pre 1.79ms on 2.06ms post 1.83ms diff 253µs align 4194304 pre 1.79ms on 2.08ms post 1.83ms diff 270µs align 2097152 pre 1.75ms on 2.06ms post 1.82ms diff 275µs align 1048576 pre 1.84ms on 2.06ms post 1.83ms diff 232µs align 524288 pre 1.93ms on 1.99ms post 1.85ms diff 104µs align 262144 pre 1.9ms on 1.99ms post 1.83ms diff 123µs align 131072 pre 1.93ms on 1.99ms post 1.85ms diff 102µs align 65536 pre 1.9ms on 1.99ms post 1.83ms diff 128µs align 32768 pre 1.9ms on 1.98ms post 1.82ms diff 125µs align 16384 pre 1.87ms on 1.96ms post 1.77ms diff 140µs align 8192 pre 1.72ms on 1.96ms post 1.96ms diff 121µs >From here I can figure out that Erase Block size for this card is 1MB. $ sudo ./flashbench -O --erasesize=$[1 * 1024 * 1024] --blocksize=$[4 * 1024] /dev/mmcblk0 --open-au --random 1MiB 2.42M/s 512KiB 11.6M/s 256KiB 10.6M/s 128KiB 10.2M/s 64KiB 7.8M/s 32KiB 6.81M/s 16KiB 4.51M/s 8KiB 2.05M/s 4KiB 958K/s $ sudo ./flashbench -O --erasesize=$[1 * 1024 * 1024] --blocksize=$[4 * 1024] /dev/mmcblk0 --open-au 1MiB 12M/s 512KiB 11.4M/s 256KiB 10.6M/s 128KiB 9.99M/s 64KiB 7.87M/s 32KiB 6.75M/s 16KiB 4.57M/s 8KiB 2.21M/s 4KiB 1M/s $ sudo ./flashbench -O --erasesize=$[1 * 1024 * 1024] --blocksize=$[4 * 1024] /dev/mmcblk0 --open-au-nr=1 --random 1MiB 11.8M/s 512KiB 10.1M/s 256KiB 10.4M/s 128KiB 10.1M/s 64KiB 8.2M/s 32KiB 6.41M/s 16KiB 4.87M/s 8KiB 2.12M/s 4KiB 1.01M/s $ sudo ./flashbench -O --erasesize=$[1 * 1024 * 1024] --blocksize=$[4 * 1024] /dev/mmcblk0 --open-au-nr=1 1MiB 11.1M/s 512KiB 11M/s 256KiB 11.8M/s 128KiB 10.3M/s 64KiB 11.7M/s 32KiB 10.8M/s 16KiB 10.9M/s 8KiB 7.77M/s 4KiB 6.98M/s Till 5 open erase blocks I'm getting consistent not so bad performance but for 6 open erase blocks there is a very sharp decrease in performance numbers. $ sudo ./flashbench -O --erasesize=$[1 * 1024 * 1024] --blocksize=$[4 * 1024] /dev/mmcblk0 --open-au-nr=5 --random 1MiB 4.55M/s 512KiB 11.1M/s 256KiB 10.5M/s 128KiB 9.85M/s 64KiB 8.02M/s 32KiB 6.27M/s 16KiB 4.52M/s 8KiB 2.03M/s 4KiB 956K/s $ sudo ./flashbench -O --erasesize=$[1 * 1024 * 1024] --blocksize=$[4 * 1024] /dev/mmcblk0 --open-au-nr=5 1MiB 11.9M/s 512KiB 11.4M/s 256KiB 11M/s 128KiB 9.61M/s 64KiB 8.3M/s 32KiB 5.89M/s 16KiB 4.61M/s 8KiB 2.28M/s 4KiB 1.25M/s $ sudo ./flashbench -O --erasesize=$[1 * 1024 * 1024] --blocksize=$[4 * 1024] /dev/mmcblk0 --open-au-nr=6 --random 1MiB 2.42M/s 512KiB 1.61M/s 256KiB 756K/s 128KiB 413K/s 64KiB 217K/s 32KiB 111K/s 16KiB 56.3K/s 8KiB 28.2K/s 4KiB 14K/s $ sudo ./flashbench -O --erasesize=$[1 * 1024 * 1024] --blocksize=$[4 * 1024] /dev/mmcblk0 --open-au-nr=6 1MiB 2.41M/s 512KiB 1.62M/s 256KiB 755K/s 128KiB 413K/s 64KiB 217K/s 32KiB 110K/s 16KiB 56.1K/s 8KiB 28K/s 4KiB 14K/s

14 years, 9 months

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flashbench results for SanDisk 7761920 KB SDHC Class 2 MMC card

by Amit Pundir

manfid = 0x000003 and, oemid = 0x5344 $ sudo ./flashbench -a /dev/mmcblk0 --blocksize=$[4 * 1024] align 2147483648 pre 3.47ms on 3.74ms post 2.81ms diff 601µs align 1073741824 pre 3.84ms on 3.99ms post 3.15ms diff 494µs align 536870912 pre 3.95ms on 4.05ms post 3.46ms diff 349µs align 268435456 pre 3.42ms on 3.68ms post 3.2ms diff 372µs align 134217728 pre 2.86ms on 3.13ms post 2.72ms diff 341µs align 67108864 pre 2.93ms on 3.35ms post 2.84ms diff 458µs align 33554432 pre 3.9ms on 4.34ms post 3.82ms diff 479µs align 16777216 pre 2.96ms on 3.23ms post 2.26ms diff 624µs align 8388608 pre 2.06ms on 2.66ms post 2.22ms diff 519µs align 4194304 pre 2.98ms on 3.31ms post 2.23ms diff 699µs align 2097152 pre 4.21ms on 4.5ms post 3.86ms diff 461µs align 1048576 pre 4.38ms on 4.63ms post 3.95ms diff 467µs align 524288 pre 3.03ms on 3.22ms post 2.85ms diff 280µs align 262144 pre 2.76ms on 2.98ms post 2.45ms diff 371µs align 131072 pre 2.47ms on 2.7ms post 2.48ms diff 228µs align 65536 pre 2.58ms on 2.97ms post 2.46ms diff 451µs align 32768 pre 2.48ms on 2.69ms post 2.5ms diff 194µs align 16384 pre 3.09ms on 3.28ms post 2.7ms diff 383µs align 8192 pre 2.78ms on 3.01ms post 2.76ms diff 238µs Erase Block size assumed to be 4MB. $ sudo ./flashbench -O --erasesize=$[4 * 1024 * 1024] --blocksize=$[4 * 1024] /dev/mmcblk0 --open-au --random 4MiB 4.51M/s 2MiB 4.15M/s 1MiB 3.58M/s 512KiB 3.25M/s 256KiB 4.01M/s 128KiB 3.46M/s 64KiB 3.43M/s 32KiB 2.95M/s 16KiB 2.97M/s 8KiB 2.19M/s 4KiB 1.56M/s $ sudo ./flashbench -O --erasesize=$[4 * 1024 * 1024] --blocksize=$[4 * 1024] /dev/mmcblk0 --open-au 4MiB 4.11M/s 2MiB 3.01M/s 1MiB 2.95M/s 512KiB 2.72M/s 256KiB 2.52M/s 128KiB 2.57M/s 64KiB 3.36M/s 32KiB 2.68M/s 16KiB 2.3M/s 8KiB 1.8M/s 4KiB 1.51M/s $ sudo ./flashbench -O --erasesize=$[4 * 1024 * 1024] --blocksize=$[4 * 1024] /dev/mmcblk0 --open-au-nr=1 --random 4MiB 4.21M/s 2MiB 4.28M/s 1MiB 3.16M/s 512KiB 4.4M/s 256KiB 3.5M/s 128KiB 3.52M/s 64KiB 4.17M/s 32KiB 3.75M/s 16KiB 2.56M/s 8KiB 2.66M/s 4KiB 1.75M/s $ sudo ./flashbench -O --erasesize=$[4 * 1024 * 1024] --blocksize=$[4 * 1024] /dev/mmcblk0 --open-au-nr=1 4MiB 4.2M/s 2MiB 3.84M/s 1MiB 4.34M/s 512KiB 4.36M/s 256KiB 3.53M/s 128KiB 3.8M/s 64KiB 4.32M/s 32KiB 3.85M/s 16KiB 3.78M/s 8KiB 3.34M/s 4KiB 2.95M/s It gave me a consistent throughput as long as upto 7 erase blocks were open. Performance with 8 open erase blocks is not that bad either. $ sudo ./flashbench -O --erasesize=$[4 * 1024 * 1024] --blocksize=$[4 * 1024] /dev/mmcblk0 --open-au-nr=7 --random 4MiB 3.73M/s 2MiB 3.02M/s 1MiB 3.14M/s 512KiB 2.88M/s 256KiB 2.48M/s 128KiB 2.34M/s 64KiB 2.16M/s 32KiB 1.96M/s 16KiB 1.55M/s 8KiB 1.04M/s 4KiB 1.01M/s $ sudo ./flashbench -O --erasesize=$[4 * 1024 * 1024] --blocksize=$[4 * 1024] /dev/mmcblk0 --open-au-nr=7 4MiB 3.4M/s 2MiB 3.1M/s 1MiB 3.01M/s 512KiB 3.12M/s 256KiB 2.91M/s 128KiB 2.87M/s 64KiB 2.58M/s 32KiB 2.78M/s 16KiB 2.37M/s 8KiB 1.85M/s 4KiB 1.28M/s $ sudo ./flashbench -O --erasesize=$[4 * 1024 * 1024] --blocksize=$[4 * 1024] /dev/mmcblk0 --open-au-nr=8 --random 4MiB 3.66M/s 2MiB 2.94M/s 1MiB 3.04M/s 512KiB 2.55M/s 256KiB 2.46M/s 128KiB 2.27M/s 64KiB 1.96M/s 32KiB 1.53M/s 16KiB 1.38M/s 8KiB 955K/s 4KiB 823K/s $ sudo ./flashbench -O --erasesize=$[4 * 1024 * 1024] --blocksize=$[4 * 1024] /dev/mmcblk0 --open-au-nr=8 4MiB 3.36M/s 2MiB 2.69M/s 1MiB 2.66M/s 512KiB 2.56M/s 256KiB 2.41M/s 128KiB 2.4M/s 64KiB 2.14M/s 32KiB 2.04M/s 16KiB 2.01M/s 8KiB 1.65M/s 4KiB 1.2M/s

14 years, 9 months

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Mobile phone factory

by Picasa Web Albums

Dear friend, Good day! Our company is mainly in the OEM and ODM business with all kinds of mobile phone. If you need the detail requirement, please kindly contact us. Best wishes Juce Mobile: 86-13424432252 Tel: 86-0755-85282599 Fax: 86-0755-81752355 E-mail: elink(a)vip.188.com / sales(a)elink-mobile.com Web size: www.elink-mobile.com Factory Address: 5/F, Building 21, ChenTian Industrial Park, Shenzhen, GuangDong Province, China

14 years, 9 months

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OCZ RevoDrive 60 GB

by Arnd Bergmann

sudo fdisk -l /dev/sda Disk /dev/sda: 60.0 GB, 60022480896 bytes 255 heads, 63 sectors/track, 7297 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 sudo fdisk -l /dev/sda Disk /dev/sda: 60.0 GB, 60022480896 bytes 255 heads, 63 sectors/track, 7297 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Disk /dev/sda doesn't contain a valid partition table arnd@ocdc-kvm:~/git/flashbench$ sudo hdparm -i /dev/sda /dev/sda: Model=OCZ-REVODRIVE, FwRev=1.20, SerialNo=OCZ-V8WN0QLPF80W8L99 Config={ Fixed } RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4 BuffType=unknown, BuffSize=unknown, MaxMultSect=16, MultSect=1 CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=117231408 IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120} PIO modes: pio0 pio1 pio2 pio3 pio4 DMA modes: mdma0 mdma1 mdma2 UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5 udma6 AdvancedPM=no WriteCache=disabled Drive conforms to: unknown: ATA/ATAPI-2,3,4,5,6,7 * signifies the current active mode sudo hdparm -W0 /dev/sda /dev/sda: setting drive write-caching to 0 (off) write-caching = 0 (off) $ sudo ./flashbench -a /dev/sda --count=100 align 8589934592 pre 108µs on 124µs post 90.8µs diff 25µs align 4294967296 pre 102µs on 108µs post 91.1µs diff 11.5µs align 2147483648 pre 108µs on 127µs post 91.4µs diff 27.2µs align 1073741824 pre 113µs on 132µs post 91.1µs diff 30.3µs align 536870912 pre 114µs on 134µs post 92.5µs diff 30.9µs align 268435456 pre 123µs on 144µs post 90.9µs diff 37.5µs align 134217728 pre 100µs on 117µs post 91.7µs diff 20.8µs align 67108864 pre 117µs on 140µs post 105µs diff 29.4µs align 33554432 pre 116µs on 136µs post 91.3µs diff 32.4µs align 16777216 pre 109µs on 129µs post 92.6µs diff 28µs align 8388608 pre 120µs on 144µs post 90.8µs diff 38.2µs align 4194304 pre 91.5µs on 91.6µs post 91.1µs diff 244ns align 2097152 pre 91.1µs on 91µs post 91µs diff -56ns align 1048576 pre 91.2µs on 91µs post 91.3µs diff -186ns align 524288 pre 91µs on 90.9µs post 91.1µs diff -132ns align 262144 pre 91.5µs on 91.2µs post 91.4µs diff -288ns align 131072 pre 91.4µs on 91.3µs post 91.3µs diff -92ns align 65536 pre 91.4µs on 91µs post 91.3µs diff -345ns align 32768 pre 90.9µs on 91.2µs post 91.3µs diff 142ns time sudo ./flashbench --erasesize=8388608 /dev/sda --blocksize=4096 -p [sudo] password for arnd: 2MiB 209M/s 236M/s 103M/s 198M/s 234M/s 234M/s 101M/s 195M/s 1MiB 228M/s 230M/s 103M/s 194M/s 228M/s 231M/s 96.7M/s 200M/s 512KiB 216M/s 224M/s 105M/s 180M/s 220M/s 226M/s 86.2M/s 190M/s 256KiB 203M/s 210M/s 114M/s 174M/s 200M/s 207M/s 120M/s 175M/s 128KiB 178M/s 189M/s 129M/s 153M/s 182M/s 183M/s 128M/s 157M/s 64KiB 152M/s 156M/s 141M/s 145M/s 187M/s 195M/s 129M/s 133M/s 32KiB 162M/s 177M/s 142M/s 118M/s 173M/s 182M/s 135M/s 108M/s 16KiB 140M/s 143M/s 134M/s 88.1M/s 139M/s 143M/s 135M/s 86.2M/s 8KiB 96.2M/s 98M/s 96M/s 68.3M/s 97.8M/s 98.7M/s 95.7M/s 64M/s 4KiB 63.2M/s 60M/s 60.1M/s 41.6M/s 62.8M/s 61.1M/s 60.1M/s 41.6M/s 2KiB 20.3M/s 25M/s 24.8M/s 25.4M/s 14.3M/s 19.1M/s 14.8M/s 20.3M/s 1KiB 12.6M/s 13.8M/s 13.9M/s 15.7M/s 8.05M/s 10.4M/s 8.08M/s 11.5M/s 512B 7.07M/s 7.32M/s 7.32M/s 7.86M/s 4.32M/s 5.44M/s 4.21M/s 5.93M/s $ sudo ./flashbench --open-au --erasesize=8388608 /dev/sda --blocksize=512 --open-au-nr=1 8MiB 103M/s 4MiB 77.5M/s 2MiB 106M/s 1MiB 106M/s 512KiB 106M/s 256KiB 88.6M/s 128KiB 99.6M/s 64KiB 102M/s 32KiB 90M/s 16KiB 88.8M/s 8KiB 88.9M/s 4KiB 58.3M/s 2KiB 16.5M/s 1KiB 11.8M/s 512B 6.72M/s arnd@ocdc-kvm:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=8388608 /dev/sda --blocksize=512 --open-au-nr=1 --offset=$[63 * 512] 8MiB 100M/s 4MiB 103M/s 2MiB 103M/s 1MiB 73.9M/s 512KiB 96.6M/s 256KiB 85.6M/s 128KiB 69.6M/s 64KiB 59.9M/s 32KiB 36.1M/s 16KiB 37.3M/s 8KiB 18.2M/s 4KiB 15.8M/s 2KiB 14.3M/s 1KiB 10.4M/s 512B 5.85M/s arnd@ocdc-kvm:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=8388608 /dev/sda --blocksize=512 --open-au-nr=1 --offset=4096 8MiB 102M/s 4MiB 106M/s 2MiB 87.4M/s 1MiB 92.6M/s 512KiB 104M/s 256KiB 99M/s 128KiB 88M/s 64KiB 90.7M/s 32KiB 92.9M/s 16KiB 96.3M/s 8KiB 79.9M/s 4KiB 53.1M/s 2KiB 14.7M/s 1KiB 10.9M/s 512B 6.17M/s arnd@ocdc-kvm:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[1024 * 1024] /dev/sda --blocksize=2048 --open-au-nr=64 1MiB 99.1M/s 512KiB 102M/s 256KiB 97.2M/s 128KiB 98.4M/s 64KiB 94.5M/s 32KiB 87.1M/s 16KiB 91.2M/s 8KiB 80.8M/s 4KiB 54.7M/s 2KiB 10.6M/s arnd@ocdc-kvm:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[1024 * 1024] /dev/sda --blocksize=2048 --random --open-au-nr=64 1MiB 102M/s 512KiB 97.5M/s 256KiB 96.3M/s 128KiB 95.8M/s 64KiB 89.2M/s 32KiB 89.6M/s 16KiB 83.7M/s 8KiB 82.8M/s 4KiB 53.8M/s 2KiB 11.3M/s arnd@ocdc-kvm:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[1024 * 1024] /dev/sda --blocksize=2048 --random --open-au-nr=64 --offset=4096 1MiB 97.5M/s 512KiB 98.8M/s 256KiB 99.4M/s 128KiB 94.6M/s 64KiB 91.3M/s 32KiB 89.5M/s 16KiB 90.3M/s 8KiB 82.5M/s 4KiB 55.3M/s 2KiB 11.3M/s arnd@ocdc-kvm:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[1024 * 1024] /dev/sda --blocksize=2048 --random --open-au-nr=64 --offset=2048 1MiB 92.2M/s 512KiB 91.2M/s 256KiB 78.7M/s 128KiB 69.1M/s 64KiB 44M/s 32KiB 32.5M/s 16KiB 23.8M/s 8KiB 15.8M/s 4KiB 10.9M/s 2KiB 11.2M/s

14 years, 9 months

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extrmemory 16 GB class 6 performance

by Arnd Bergmann

arnd@klappe2:~/git/flashbench$ sudo ./flashbench -a /dev/mmcblk0 --blocksize=1024 align 3221225472 pre 1.26ms on 1.59ms post 1.22ms diff 351Âµs align 2147483648 pre 1.41ms on 1.68ms post 1.27ms diff 338Âµs align 1610612736 pre 1.49ms on 1.67ms post 1.25ms diff 301Âµs align 1073741824 pre 1.37ms on 1.65ms post 1.25ms diff 344Âµs align 805306368 pre 1.27ms on 1.55ms post 1.17ms diff 334Âµs align 536870912 pre 1.16ms on 1.56ms post 1.16ms diff 403Âµs align 402653184 pre 1.23ms on 1.52ms post 1.11ms diff 354Âµs align 268435456 pre 1.09ms on 1.48ms post 1.08ms diff 389Âµs align 201326592 pre 1.16ms on 1.4ms post 1.09ms diff 282Âµs align 134217728 pre 1.3ms on 1.56ms post 1.09ms diff 362Âµs align 100663296 pre 1.33ms on 1.54ms post 1.08ms diff 340Âµs align 67108864 pre 1.2ms on 1.54ms post 1.09ms diff 399Âµs align 50331648 pre 1.27ms on 1.45ms post 1.1ms diff 270Âµs align 33554432 pre 1.21ms on 1.5ms post 1.1ms diff 340Âµs align 25165824 pre 1.27ms on 1.5ms post 1.13ms diff 297Âµs align 16777216 pre 1.15ms on 1.47ms post 1.12ms diff 338Âµs align 12582912 pre 1.3ms on 1.52ms post 1.14ms diff 302Âµs align 8388608 pre 1.3ms on 1.63ms post 1.13ms diff 416Âµs align 6291456 pre 1.32ms on 1.56ms post 1.21ms diff 295Âµs align 4194304 pre 1.21ms on 1.48ms post 1.16ms diff 299Âµs align 3145728 pre 1.17ms on 1.27ms post 1.17ms diff 99.4Âµs align 2097152 pre 1.25ms on 1.58ms post 1.13ms diff 388Âµs align 1572864 pre 1.25ms on 1.39ms post 1.26ms diff 139Âµs align 1048576 pre 1.24ms on 1.37ms post 1.24ms diff 134Âµs align 786432 pre 1.24ms on 1.37ms post 1.24ms diff 136Âµs align 524288 pre 1.24ms on 1.37ms post 1.24ms diff 127Âµs align 393216 pre 1.25ms on 1.37ms post 1.24ms diff 127Âµs align 262144 pre 1.24ms on 1.39ms post 1.25ms diff 140Âµs align 196608 pre 1.25ms on 1.37ms post 1.24ms diff 127Âµs align 131072 pre 1.26ms on 1.4ms post 1.26ms diff 134Âµs align 98304 pre 1.25ms on 1.4ms post 1.26ms diff 140Âµs align 65536 pre 1.27ms on 1.39ms post 1.26ms diff 128Âµs align 49152 pre 1.27ms on 1.39ms post 1.24ms diff 141Âµs align 32768 pre 1.25ms on 1.38ms post 1.24ms diff 135Âµs align 24576 pre 1.22ms on 1.26ms post 1.22ms diff 42.4Âµs align 16384 pre 1.23ms on 1.35ms post 1.22ms diff 130Âµs align 12288 pre 1.23ms on 1.29ms post 1.25ms diff 48.3Âµs align 8192 pre 1.22ms on 1.26ms post 1.22ms diff 42.2Âµs align 6144 pre 1.22ms on 1.26ms post 1.22ms diff 43.4Âµs align 4096 pre 1.22ms on 1.26ms post 1.22ms diff 43.9Âµs align 3072 pre 1.22ms on 1.22ms post 1.22ms diff -844ns align 2048 pre 1.22ms on 1.26ms post 1.22ms diff 42.5Âµs arnd@klappe2:~/git/flashbench$ head /sys/block/mmcblk0/device/* ==> /sys/block/mmcblk0/device/cid <== 275048534431364720e5000e12008b00 ==> /sys/block/mmcblk0/device/csd <== 400e00325b59000078377f800a400000 ==> /sys/block/mmcblk0/device/date <== 11/2008 ==> /sys/block/mmcblk0/device/erase_size <== 512 ==> /sys/block/mmcblk0/device/fwrev <== 0x0 ==> /sys/block/mmcblk0/device/hwrev <== 0x2 ==> /sys/block/mmcblk0/device/manfid <== 0x000027 ==> /sys/block/mmcblk0/device/name <== SD16G ==> /sys/block/mmcblk0/device/oemid <== 0x5048 ==> /sys/block/mmcblk0/device/preferred_erase_size <== 4194304 ==> /sys/block/mmcblk0/device/scr <== 0235000001000000 ==> /sys/block/mmcblk0/device/serial <== 0xe5000e12 ==> /sys/block/mmcblk0/device/type <== SD ==> /sys/block/mmcblk0/device/uevent <== DRIVER=mmcblk MMC_TYPE=SD MMC_NAME=SD16G MODALIAS=mmc:block arnd@klappe2:~/git/flashbench$ sudo fdisk -ul /dev/mmcblk0 Disk /dev/mmcblk0: 16.1 GB, 16135487488 bytes 64 heads, 32 sectors/track, 15388 cylinders, total 31514624 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x0008041b Device Boot Start End Blocks Id System /dev/mmcblk0p1 * 32 31514623 15757296 c W95 FAT32 (LBA) arnd@klappe2:~/git/flashbench$ sudo ./flashbench --erasesize=$[4194304/2] --blocksize=8192 /dev/mmcblk0 --random --findfat --fat-nr=6 2MiB 2.69M/s 2.75M/s 2.66M/s 2.78M/s 10.5M/s 10.4M/s 1MiB 2.77M/s 2.79M/s 2.71M/s 2.69M/s 7.87M/s 5.76M/s 512KiB 2.66M/s 2.78M/s 2.74M/s 2.75M/s 4.06M/s 4.16M/s 256KiB 2.76M/s 2.76M/s 2.75M/s 2.69M/s 3.88M/s 3.88M/s 128KiB 2.71M/s 2.7M/s 2.8M/s 2.77M/s 3.78M/s 3.61M/s 64KiB 2.77M/s 2.81M/s 2.74M/s 2.7M/s 2.68M/s 2.68M/s 32KiB 2.25M/s 2.28M/s 2.22M/s 2.26M/s 3.12M/s 3.08M/s 16KiB 1.76M/s 1.8M/s 1.77M/s 1.77M/s 1.93M/s 1.95M/s 8KiB 1.05M/s 985K/s 925K/s 1.01M/s 1.02M/s 1.06M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --erasesize=$[4194304/2] --blocksize=512 /dev/mmcblk0 --findfat --fat-nr=6 2MiB 3.87M/s 2.82M/s 2.78M/s 2.74M/s 3.96M/s 3.95M/s 1MiB 2.77M/s 2.7M/s 2.72M/s 2.73M/s 4.16M/s 4.14M/s 512KiB 2.77M/s 2.76M/s 2.17M/s 2.77M/s 3.92M/s 3.93M/s 256KiB 2.75M/s 2.72M/s 2.74M/s 2.75M/s 10.2M/s 10.2M/s 128KiB 2.72M/s 2.77M/s 2.75M/s 2.74M/s 10.6M/s 10.5M/s 64KiB 2.74M/s 2.77M/s 2.77M/s 2.75M/s 10.5M/s 10.5M/s 32KiB 2.29M/s 2.27M/s 2.27M/s 2.27M/s 8.75M/s 8.75M/s 16KiB 1.78M/s 1.79M/s 1.81M/s 1.77M/s 6.48M/s 6.46M/s 8KiB 970K/s 992K/s 986K/s 989K/s 1.53M/s 1.59M/s 4KiB 524K/s 521K/s 519K/s 510K/s 627K/s 647K/s 2KiB 263K/s 268K/s 263K/s 269K/s 318K/s 302K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --erasesize=$[4194304] --blocksize=8192 /dev/mmcblk0 --open-au --open-au-nr=3 4MiB 7.2M/s 2MiB 8.34M/s 1MiB 9.02M/s 512KiB 10.5M/s 256KiB 10.3M/s 128KiB 10.5M/s 64KiB 10.3M/s 32KiB 8.72M/s 16KiB 6.48M/s 8KiB 1.35M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --erasesize=$[4194304] --blocksize=8192 /dev/mmcblk0 --open-au --open-au-nr=4 4MiB 9.26M/s 2MiB 10.3M/s 1MiB 4.99M/s 512KiB 2.62M/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench --erasesize=$[4194304/2] --blocksize=8192 /dev/mmcblk0 --open-au --open-au-nr=3 2MiB 5.01M/s 1MiB 3.91M/s 512KiB 3.96M/s 256KiB 5.81M/s 128KiB 4.03M/s 64KiB 4.97M/s 32KiB 3.92M/s 16KiB 3.06M/s 8KiB 1.4M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --erasesize=$[4194304] --blocksize=8192 /dev/mmcblk0 --open-au --open-au-nr=3 --random 4MiB 8.31M/s 2MiB 7.12M/s 1MiB 4.97M/s 512KiB 2.89M/s 256KiB 1.74M/s 128KiB 1.14M/s 64KiB 585K/s 32KiB 299K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --erasesize=$[4194304] --blocksize=8192 /dev/mmcblk0 --open-au --open-au-nr=1 --random 4MiB 6.39M/s 2MiB 4.83M/s 1MiB 4.02M/s 512KiB 4.67M/s 256KiB 4.47M/s 128KiB 3.43M/s 64KiB 3.45M/s 32KiB 2.93M/s 16KiB 2.12M/s 8KiB 1.02M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --erasesize=$[4194304] --blocksize=8192 /dev/mmcblk0 --open-au --open-au-nr=2 --random 4MiB 7.91M/s 2MiB 5.77M/s 1MiB 4.62M/s 512KiB 3.03M/s 256KiB 1.85M/s 128KiB 1.2M/s 64KiB 598K/s 32KiB 305K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --erasesize=$[4194304 / 2] --blocksize=8192 /dev/mmcblk0 --open-au --open-au-nr=2 --random 2MiB 5.97M/s 1MiB 4.54M/s 512KiB 3.52M/s 256KiB 3.98M/s 128KiB 3.3M/s 64KiB 3.61M/s 32KiB 2.72M/s 16KiB 2.08M/s 8KiB 1.03M/s

14 years, 9 months

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16 GB extrememory HyPerformance (2009)

by Arnd Bergmann

==> /sys/block/mmcblk0/device/cid <== 1d41445344202020102810091d009c00 ==> /sys/block/mmcblk0/device/csd <== 400e00325b5900007b7d7f800a400000 ==> /sys/block/mmcblk0/device/date <== 12/2009 ==> /sys/block/mmcblk0/device/erase_size <== 512 ==> /sys/block/mmcblk0/device/fwrev <== 0x0 ==> /sys/block/mmcblk0/device/hwrev <== 0x1 ==> /sys/block/mmcblk0/device/manfid <== 0x00001d ==> /sys/block/mmcblk0/device/name <== SD ==> /sys/block/mmcblk0/device/oemid <== 0x4144 ==> /sys/block/mmcblk0/device/power <== head: error reading `/sys/block/mmcblk0/device/power': Is a directory ==> /sys/block/mmcblk0/device/preferred_erase_size <== 4194304 ==> /sys/block/mmcblk0/device/scr <== 0235800000000000 ==> /sys/block/mmcblk0/device/serial <== 0x2810091d ==> /sys/block/mmcblk0/device/subsystem <== head: error reading `/sys/block/mmcblk0/device/subsystem': Is a directory ==> /sys/block/mmcblk0/device/type <== SD Disk /dev/mmcblk0: 16.6 GB, 16574840832 bytes 4 heads, 16 sectors/track, 505824 cylinders, total 32372736 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00092313 Device Boot Start End Blocks Id System /dev/mmcblk0p1 8192 1023999 507904 82 Linux swap / Solaris Partition 1 does not end on cylinder boundary. /dev/mmcblk0p2 1024000 31342591 15159296 83 Linux Partition 2 does not end on cylinder boundary. arnd@klappe2:~/git/flashbench$ sudo ./flashbench -a /dev/mmcblk0 --blocksize=1024 align 3221225472 pre 1.09ms on 1.45ms post 1.07ms diff 373Âµs align 2147483648 pre 1.1ms on 1.48ms post 1.08ms diff 389Âµs align 1610612736 pre 1.03ms on 1.31ms post 1.08ms diff 255Âµs align 1073741824 pre 1.1ms on 1.51ms post 1.08ms diff 411Âµs align 805306368 pre 1.04ms on 1.31ms post 1.08ms diff 245Âµs align 536870912 pre 1.01ms on 1.3ms post 1.07ms diff 259Âµs align 402653184 pre 1.01ms on 1.36ms post 1.06ms diff 326Âµs align 268435456 pre 994Âµs on 1.36ms post 1.08ms diff 329Âµs align 201326592 pre 973Âµs on 1.35ms post 1.06ms diff 337Âµs align 134217728 pre 994Âµs on 1.36ms post 1.07ms diff 327Âµs align 100663296 pre 978Âµs on 1.36ms post 1.07ms diff 333Âµs align 67108864 pre 993Âµs on 1.35ms post 1.07ms diff 318Âµs align 50331648 pre 980Âµs on 1.36ms post 1.07ms diff 336Âµs align 33554432 pre 994Âµs on 1.36ms post 1.07ms diff 322Âµs align 25165824 pre 995Âµs on 1.36ms post 1.08ms diff 320Âµs align 16777216 pre 997Âµs on 1.32ms post 1.07ms diff 287Âµs align 12582912 pre 961Âµs on 1.37ms post 1.07ms diff 350Âµs align 8388608 pre 976Âµs on 1.35ms post 1.07ms diff 330Âµs align 6291456 pre 1.14ms on 1.24ms post 1.14ms diff 95Âµs align 4194304 pre 943Âµs on 1.31ms post 1.07ms diff 297Âµs align 3145728 pre 967Âµs on 1.17ms post 989Âµs diff 193Âµs align 2097152 pre 1.05ms on 1.09ms post 1.05ms diff 43.8Âµs align 1572864 pre 1.05ms on 1.07ms post 1.03ms diff 33.1Âµs align 1048576 pre 1.06ms on 1.11ms post 1.04ms diff 59.9Âµs align 786432 pre 1.04ms on 1.1ms post 1.03ms diff 63.5Âµs align 524288 pre 1.08ms on 1.09ms post 1.03ms diff 30.7Âµs align 393216 pre 1.06ms on 1.06ms post 1.05ms diff 4.74Âµs align 262144 pre 1.07ms on 1.1ms post 1.04ms diff 50.4Âµs align 196608 pre 1.05ms on 1.06ms post 1.06ms diff 4.11Âµs align 131072 pre 1.04ms on 1.09ms post 1.03ms diff 49.6Âµs align 98304 pre 1.07ms on 1.07ms post 954Âµs diff 63.3Âµs align 65536 pre 1.08ms on 1.1ms post 1.04ms diff 38.5Âµs align 49152 pre 1.04ms on 1.06ms post 998Âµs diff 39.8Âµs align 32768 pre 1.03ms on 1.04ms post 942Âµs diff 53.8Âµs align 24576 pre 969Âµs on 981Âµs post 966Âµs diff 13.6Âµs align 16384 pre 1.07ms on 1.09ms post 974Âµs diff 70Âµs align 12288 pre 999Âµs on 1ms post 996Âµs diff 4.72Âµs ^C arnd@klappe2:~/git/flashbench$ ./flashbench --erasesize=4194304 --blocksize=2048 /dev/mmcblk0 --open-au --open-au-nr=1 sched_setscheduler: Operation not permitted /dev/mmcblk0: Permission denied arnd@klappe2:~/git/flashbench$ sudo ./flashbench --erasesize=4194304 --blocksize=2048 /dev/mmcblk0 --open-au --open-au-nr=1 4MiB 5.19M/s 2MiB 9.33M/s 1MiB 7.56M/s 512KiB 6.99M/s 256KiB 8.29M/s 128KiB 8.11M/s 64KiB 7.33M/s 32KiB 5.84M/s 16KiB 3.64M/s 8KiB 1.55M/s 4KiB 797K/s 2KiB 459K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --erasesize=4194304 --blocksize=2048 /dev/mmcblk0 --open-au --open-au-nr=1 4MiB 8.65M/s 2MiB 7.49M/s 1MiB 7.89M/s 512KiB 8.51M/s 256KiB 8.32M/s 128KiB 7.41M/s 64KiB 7.88M/s 32KiB 5.61M/s 16KiB 3.5M/s 8KiB 1.8M/s 4KiB 819K/s 2KiB 455K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --erasesize=4194304 --blocksize=2048 /dev/mmcblk0 --open-au --open-au-nr=1 --random 4MiB 4.68M/s 2MiB 7.64M/s 1MiB 8.07M/s 512KiB 8.85M/s 256KiB 8M/s 128KiB 7.52M/s 64KiB 8.3M/s 32KiB 5.84M/s 16KiB 3.79M/s 8KiB 1.51M/s 4KiB 729K/s 2KiB 357K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --erasesize=4194304 --blocksize=2048 /dev/mmcblk0 --open-au --open-au-nr=2 --random 4MiB 4.91M/s 2MiB 8.44M/s 1MiB 7.47M/s 512KiB 7.65M/s 256KiB 8.4M/s 128KiB 8.58M/s 64KiB 7.14M/s 32KiB 5.4M/s 16KiB 3.46M/s 8KiB 1.42M/s 4KiB 699K/s 2KiB 343K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --erasesize=4194304 --blocksize=4096 /dev/mmcblk0 --open-au --open-au-nr=4 --random 4MiB 6.68M/s 2MiB 6.92M/s 1MiB 7.46M/s 512KiB 7.72M/s 256KiB 8.57M/s 128KiB 8.31M/s 64KiB 7.12M/s 32KiB 5.48M/s 16KiB 3.25M/s 8KiB 1.41M/s 4KiB 700K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --erasesize=4194304 --blocksize=8192 /dev/mmcblk0 --open-au --open-au-nr=5 --random 4MiB 8.84M/s 2MiB 6.45M/s 1MiB 7.48M/s 512KiB 7.89M/s 256KiB 8.61M/s 128KiB 8.07M/s 64KiB 7.2M/s 32KiB 5.42M/s 16KiB 3.53M/s 8KiB 1.41M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --erasesize=4194304 --blocksize=8192 /dev/mmcblk0 --open-au --open-au-nr=6 --random 4MiB 8.45M/s 2MiB 3.78M/s 1MiB 2.12M/s 512KiB 1.18M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --erasesize=4194304 --blocksize=8192 /dev/mmcblk0 --open-au --open-au-nr=8 --random 4MiB 6.17M/s 2MiB 3.73M/s 1MiB 2.12M/s 512KiB 1.18M/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench --erasesize=4194304 --blocksize=8192 /dev/mmcblk0 --open-au --open-au-nr=5 4MiB 7.98M/s 2MiB 8.07M/s 1MiB 8.21M/s 512KiB 9.03M/s 256KiB 9.35M/s 128KiB 7.77M/s 64KiB 8.03M/s 32KiB 5.71M/s 16KiB 3.85M/s 8KiB 1.57M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --erasesize=4194304 --blocksize=8192 /dev/mmcblk0 --open-au --open-au-nr=6 4MiB 8.58M/s 2MiB 4.29M/s 1MiB 2.12M/s 512KiB 1.18M/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench --erasesize=$[4194304] --blocksize=8192 /dev/mmcblk0 --random --findfat --fat-nr=6 4MiB 9.05M/s 8.88M/s 8.47M/s 8.53M/s 7.29M/s 9.03M/s 2MiB 8.78M/s 8.79M/s 9.03M/s 8.91M/s 7.66M/s 9.04M/s 1MiB 7.44M/s 7.39M/s 7.23M/s 7.33M/s 8.55M/s 7.26M/s 512KiB 7.39M/s 7.47M/s 7.56M/s 7.46M/s 8.53M/s 7.48M/s 256KiB 8.82M/s 8.41M/s 8.64M/s 8.75M/s 7.34M/s 8.7M/s 128KiB 8.74M/s 8.73M/s 8.63M/s 8.76M/s 7.66M/s 8.74M/s 64KiB 7.17M/s 7.36M/s 7.36M/s 7.34M/s 8.51M/s 7.35M/s 32KiB 5.79M/s 5.82M/s 5.78M/s 5.85M/s 5.66M/s 5.83M/s 16KiB 3.73M/s 3.72M/s 3.77M/s 3.67M/s 3.64M/s 3.65M/s 8KiB 1.46M/s 1.48M/s 1.46M/s 1.47M/s 1.47M/s 1.47M/s

14 years, 9 months

1
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Re: [Flashbench] flashbench of OlexM1 w/SanDisk 32GB CF-kort

by Arnd Bergmann

On Wednesday 13 April 2011, Joacim Thomassen wrote: > Hi Arnd, > > I tried to deliver the test result to the list but got this error: > > Delivery to the following recipient failed permanently: > > flashbench-erase(a)lists.linaro.org > > Technical details of permanent failure: > Google tried to deliver your message, but it was rejected by the recipient domain. We recommend contacting the other email provider for further information about the cause of this error. The error that the other server returned was: 550 550 unknown user (state 14). > Where did you get that address? The correct email is flashbench-results(a)lists.linaro.org, if I wrote that incorrectly somewhere, I should definitely correct it. > Anyway, here are the results for the SanDisk Compact Flash card: Thank you very much! > ubuntu@ubuntu:~$ cat /proc/partitions > major minor #blocks name > > 7 0 687976 loop0 > 8 0 31250432 sda > 8 1 31250416 sda1 > > ubuntu@ubuntu:~$ sudo hdparm -i /dev/sda > > /dev/sda: > > Model=SanDisk, FwRev=HDX, SerialNo=CBZ011811204505 > Config={ HardSect NotMFM Removeable DTR>10Mbs nonMagnetic } > RawCHS=62004/16/63, TrkSize=0, SectSize=576, ECCbytes=4 > BuffType=DualPort, BuffSize=1kB, MaxMultSect=1, MultSect=1 > CurCHS=62004/16/63, CurSects=62500032, LBA=yes, LBAsects=62500864 > IORDY=no, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120} > PIO modes: pio0 pio1 pio2 pio3 pio4 > DMA modes: mdma0 mdma1 mdma2 > UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5 > AdvancedPM=yes: disabled (255) WriteCache=enabled > Drive conforms to: Unspecified: ATA/ATAPI-4 > > * signifies the current active mode > > ubuntu@ubuntu:~$ sudo flashbench -a -b 1024 /dev/sda > align 8589934592 pre 717µs on 997µs post 765µs diff 256µs > align 4294967296 pre 729µs on 978µs post 751µs diff 238µs > align 2147483648 pre 712µs on 1ms post 761µs diff 266µs > align 1073741824 pre 760µs on 997µs post 750µs diff 242µs > align 536870912 pre 752µs on 1.02ms post 793µs diff 252µs > align 268435456 pre 759µs on 1.04ms post 788µs diff 265µs > align 134217728 pre 802µs on 1.04ms post 797µs diff 240µs > align 67108864 pre 844µs on 1.08ms post 839µs diff 242µs > align 33554432 pre 729µs on 1.01ms post 791µs diff 246µs > align 16777216 pre 705µs on 987µs post 795µs diff 237µs > align 8388608 pre 716µs on 954µs post 765µs diff 213µs > align 4194304 pre 717µs on 988µs post 797µs diff 231µs > align 2097152 pre 718µs on 991µs post 799µs diff 232µs > align 1048576 pre 717µs on 986µs post 796µs diff 230µs > align 524288 pre 717µs on 987µs post 797µs diff 230µs > align 262144 pre 707µs on 990µs post 798µs diff 237µs > align 131072 pre 678µs on 985µs post 790µs diff 251µs > align 65536 pre 678µs on 957µs post 763µs diff 236µs > align 32768 pre 680µs on 957µs post 761µs diff 237µs > align 16384 pre 763µs on 904µs post 650µs diff 198µs > align 8192 pre 762µs on 801µs post 764µs diff 37.6µs > align 4096 pre 763µs on 797µs post 764µs diff 34.2µs > align 2048 pre 765µs on 799µs post 764µs diff 34.5µs The data must be misleading on this card. Unfortunately, flashbench -a is not completely reliable in finding out the erase block size. From the LBAsects=62500864 line above, I conclude that the actual size of the erase block is probably 2 MB, as that is the largest power-of-two number that is a fraction of the size (15259 * 2 MB). > root@ubuntu:/home/ubuntu/flashbench# for i in `seq 1 10`; do echo $i; > flashbench -O --erasesize=$[64 * 1024 * 1024] /dev/sda --open-au-nr=$i > --random; done > 1 > 64MiB 39.3M/s > 32MiB 70.1M/s > 16MiB 70.2M/s > 8MiB 25.8M/s > 4MiB 18M/s > 2MiB 9.41M/s > 1MiB 4.93M/s > 512KiB 2.35M/s > 256KiB 1.14M/s > 128KiB 596K/s > 64KiB 3.87M/s > 32KiB 3.05M/s > 16KiB 2.12M/s The performance of this card is pretty amazing, I have not seen that yet on a CF card. There might be a write cache on the card itself, as hdparm claims, so if that is the case, you should probably disable that cache using hdparm -W 0 /dev/sda during your measurements (not during actual use of course). One thing that is rather clear from this data is that this card is heavily optimized for extremely long writes, 16 MB or longer seem to be ideal. When you do --random writes, writing 128 KB takes roughly the same time as writing 16 MB! This could be a hint that the erase size is really 16 MB. The card evidently also optimizes for random writes up to 64 KB by treating them differently than any larger ones. When you do a 128 KB write or larger, it must be writing the entire 16 MB anyway. It would be nice if you could rerun your test without --random, and with both 2 MB and 16 MB erase size. > 2 > 64MiB 51.6M/s > 32MiB 70.1M/s > 16MiB 70.2M/s > 8MiB 48.9M/s > 4MiB 14.7M/s > 2MiB 5.82M/s > 1MiB 3.22M/s > 512KiB 1.57M/s > 256KiB 790K/s > 128KiB 392K/s > 64KiB 2.72M/s > 32KiB 1.74M/s > 16KiB 1.61M/s Unfortunately, the larger numbers don't provide more insight here. > root@ubuntu:/home/ubuntu/flashbench# flashbench --findfat --fat-nr=10 > --erasesize=$[64 * 1024 * 1024] --blocksize=1024 /dev/sda > 64MiB 47.1M/s 70M/s 69.9M/s 69.8M/s 69M/s 70.3M/s 70.4M/s > 70.3M/s 65.5M/s 70.2M/s > 32MiB 69.3M/s 70.4M/s 70M/s 70.4M/s 70.4M/s 70.4M/s 68.4M/s > 70.4M/s 70.5M/s 70.4M/s > 16MiB 43.7M/s 58.2M/s 70.4M/s 70.4M/s 69.4M/s 66.4M/s 70.3M/s > 69.4M/s 58.6M/s 70.5M/s > 8MiB 70.3M/s 70.4M/s 69.4M/s 58M/s 70.3M/s 58.7M/s 38.8M/s > 70.3M/s 69.3M/s 70.3M/s > 4MiB 69.3M/s 69.9M/s 70.3M/s 70.3M/s 69.1M/s 70.3M/s 70.3M/s > 66.2M/s 69.3M/s 70.3M/s > 2MiB 69.1M/s 69.8M/s 70.2M/s 66.1M/s 70.1M/s 70.2M/s 68.1M/s > 70.3M/s 70.2M/s 70.2M/s > 1MiB 69.3M/s 64.6M/s 70M/s 70.1M/s 64.8M/s 69.9M/s 70M/s > 64.5M/s 69.9M/s 65.6M/s > 512KiB 65.2M/s 61.1M/s 68.6M/s 68.7M/s 69.7M/s 69.7M/s 43M/s > 69.5M/s 69.6M/s 68.6M/s > 256KiB 60M/s 61M/s 60.8M/s 60.8M/s 60.4M/s 60.9M/s 60.9M/s > 60.7M/s 60.2M/s 60.8M/s > 128KiB 68M/s 61.2M/s 63.4M/s 69.3M/s 69.3M/s 68.4M/s 68.4M/s > 69.3M/s 69.3M/s 69.3M/s > 64KiB 37M/s 54.8M/s 55.4M/s 54.9M/s 55.2M/s 55.3M/s 55.4M/s > 54.7M/s 55.4M/s 55.8M/s > 32KiB 23.9M/s 23.9M/s 23.9M/s 24M/s 24.2M/s 19.9M/s 24.1M/s > 24.2M/s 23.9M/s 24M/s > 16KiB 8.89M/s 8.91M/s 8.94M/s 8.28M/s 8.95M/s 8.99M/s 8.82M/s > 8.73M/s 8.91M/s 8.97M/s > 8KiB 5.02M/s 4.81M/s 5.03M/s 5.02M/s 5.02M/s 5.02M/s 5.02M/s > 5.03M/s 5.02M/s 5.03M/s > 4KiB 2.11M/s 2.14M/s 2.11M/s 2.14M/s 2.12M/s 2.14M/s 2.12M/s > 2.11M/s 2.12M/s 2.14M/s > 2KiB 1.1M/s 1.11M/s 1.11M/s 1.11M/s 1.11M/s 1.09M/s 1.11M/s > 1.11M/s 1.11M/s 1.11M/s > 1KiB 545K/s 546K/s 543K/s 546K/s 546K/s 546K/s 547K/s > 544K/s 546K/s 546K/s Fascinating. It's not possible to actually see any FAT optimizations here (I would be surprised if this card did that), but the numbers for each of the columns are about the same as on my expensive Intel X25 SSD. What is obvious here is that 64 KB is the minimum size required to get the full performance. Arnd

14 years, 10 months

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Kingston class 4 microSDHC 4GB (authentic)

by Arnd Bergmann

==> /sys/block/mmcblk0/device/cid <== 02544d5341303447062263db5f00ac00 ==> /sys/block/mmcblk0/device/csd <== 400e00325b5900001d6f7f800a400000 ==> /sys/block/mmcblk0/device/date <== 12/2010 ==> /sys/block/mmcblk0/device/driver <== head: error reading `/sys/block/mmcblk0/device/driver': Is a directory ==> /sys/block/mmcblk0/device/erase_size <== 512 ==> /sys/block/mmcblk0/device/fwrev <== 0x6 ==> /sys/block/mmcblk0/device/hwrev <== 0x0 ==> /sys/block/mmcblk0/device/manfid <== 0x000002 ==> /sys/block/mmcblk0/device/name <== SA04G ==> /sys/block/mmcblk0/device/oemid <== 0x544d ==> /sys/block/mmcblk0/device/power <== head: error reading `/sys/block/mmcblk0/device/power': Is a directory ==> /sys/block/mmcblk0/device/preferred_erase_size <== 4194304 ==> /sys/block/mmcblk0/device/scr <== 0235800001000000 ==> /sys/block/mmcblk0/device/serial <== 0x2263db5f ==> /sys/block/mmcblk0/device/subsystem <== head: error reading `/sys/block/mmcblk0/device/subsystem': Is a directory ==> /sys/block/mmcblk0/device/type <== SD Disk /dev/mmcblk0: 3951 MB, 3951034368 bytes 255 heads, 63 sectors/track, 480 cylinders, total 7716864 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Device Boot Start End Blocks Id System /dev/mmcblk0p1 * 63 240974 120456 c W95 FAT32 (LBA) /dev/mmcblk0p2 240975 7132859 3445942+ 83 Linux $ sudo ./flashbench -a /dev/mmcblk0 --blocksize 1024align 402653184 pre 1.51ms on 2.84ms post 1.66ms diff 1.25ms align 268435456 pre 1.49ms on 2.86ms post 1.66ms diff 1.28ms align 201326592 pre 1.51ms on 2.85ms post 1.66ms diff 1.26ms align 134217728 pre 1.53ms on 2.88ms post 1.68ms diff 1.28ms align 100663296 pre 1.52ms on 2.87ms post 1.67ms diff 1.27ms align 67108864 pre 1.52ms on 2.86ms post 1.66ms diff 1.26ms align 50331648 pre 1.53ms on 2.85ms post 1.66ms diff 1.26ms align 33554432 pre 1.52ms on 2.85ms post 1.66ms diff 1.26ms align 25165824 pre 1.52ms on 2.85ms post 1.66ms diff 1.26ms align 16777216 pre 1.51ms on 2.84ms post 1.66ms diff 1.25ms align 12582912 pre 1.51ms on 2.84ms post 1.66ms diff 1.25ms align 8388608 pre 1.42ms on 2.75ms post 1.66ms diff 1.21ms align 6291456 pre 1.54ms on 1.56ms post 1.55ms diff 14.4µs align 4194304 pre 1.41ms on 2.63ms post 1.54ms diff 1.15ms align 3145728 pre 1.55ms on 2.66ms post 1.55ms diff 1.11ms align 2097152 pre 1.54ms on 1.56ms post 1.55ms diff 14.2µs align 1572864 pre 1.54ms on 2.65ms post 1.54ms diff 1.11ms align 1048576 pre 1.54ms on 1.56ms post 1.54ms diff 16.2µs align 786432 pre 1.54ms on 2.65ms post 1.54ms diff 1.11ms align 524288 pre 1.54ms on 1.56ms post 1.54ms diff 15.8µs align 393216 pre 1.54ms on 2.65ms post 1.54ms diff 1.11ms align 262144 pre 1.54ms on 1.56ms post 1.54ms diff 15.6µs align 196608 pre 1.54ms on 2.65ms post 1.54ms diff 1.11ms align 131072 pre 1.54ms on 1.56ms post 1.54ms diff 16.1µs align 98304 pre 1.54ms on 2.65ms post 1.54ms diff 1.11ms align 65536 pre 1.54ms on 1.56ms post 1.54ms diff 16.1µs align 49152 pre 1.54ms on 2.64ms post 1.54ms diff 1.1ms align 32768 pre 1.54ms on 1.55ms post 1.54ms diff 15.5µs align 24576 pre 1.54ms on 2.65ms post 1.54ms diff 1.11ms align 16384 pre 1.54ms on 1.56ms post 1.54ms diff 15.6µs align 12288 pre 1.54ms on 1.54ms post 1.54ms diff -649ns align 8192 pre 1.54ms on 1.56ms post 1.54ms diff 15.7µs align 6144 pre 1.54ms on 1.54ms post 1.54ms diff 660ns align 4096 pre 1.54ms on 1.54ms post 1.54ms diff 458ns align 3072 pre 1.54ms on 1.54ms post 1.54ms diff -132ns align 2048 pre 1.54ms on 1.54ms post 1.54ms diff -1008ns $ sudo ./flashbench --open-au --open-au-nr=1 --erasesize=$[4*1024*1024] --blocksize=512 /dev/mmcblk0 --offset=$[32 * 1024 * 1024] 4MiB 3.35M/s 2MiB 2.56M/s 1MiB 1.77M/s 512KiB 1.76M/s 256KiB 1.76M/s 128KiB 2.54M/s 64KiB 4.59M/s 32KiB 4.46M/s 16KiB 3.54M/s 8KiB 2.93M/s 4KiB 2.25M/s 2KiB 22.1K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --open-au-nr=2 --erasesize=$[4*1024*1024] --blocksize=512 /dev/mmcblk0 --offset=$[32 * 1024 * 1024] 4MiB 4.17M/s 2MiB 2.76M/s 1MiB 1.38M/s 512KiB 700K/s 256KiB 355K/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --open-au-nr=1 --erasesize=$[4*1024*1024] --blocksize=512 /dev/mmcblk0 --offset=$[32 * 1024 * 1024] --random 4MiB 3.05M/s 2MiB 1.18M/s 1MiB 1.4M/s 512KiB 556K/s 256KiB 310K/s 128KiB 141K/s ^C

14 years, 10 months

1
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Mobile phone factory

by Picasa Web Albums

Dear Friends and partners , Our company focus on the OEM and ODM business with mobile phone. Anything more you want to know, please send us email. Best wishes Juce Tel: 86-0755-85282599 Fax: 86-0755-81752355 E-mail: elink(a)vip.188.com / sales(a)elink-mobile.com Web size: www.elink-mobile.com Factory Address: 5/F, Building 21, ChenTian Industrial Park, Shenzhen, GuangDong Province, China

14 years, 10 months

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Sandisk Extreme III (2007)

by Arnd Bergmann

==> /sys/block/mmcblk0/device/block <== head: error reading `/sys/block/mmcblk0/device/block': Is a directory ==> /sys/block/mmcblk0/device/cid <== 03534453443034478030cd99b2007600 ==> /sys/block/mmcblk0/device/csd <== 400e00325b5900001e5c7f800a404000 ==> /sys/block/mmcblk0/device/date <== 06/2007 ==> /sys/block/mmcblk0/device/driver <== head: error reading `/sys/block/mmcblk0/device/driver': Is a directory ==> /sys/block/mmcblk0/device/erase_size <== 512 ==> /sys/block/mmcblk0/device/fwrev <== 0x0 ==> /sys/block/mmcblk0/device/hwrev <== 0x8 ==> /sys/block/mmcblk0/device/manfid <== 0x000003 ==> /sys/block/mmcblk0/device/name <== SD04G ==> /sys/block/mmcblk0/device/oemid <== 0x5344 ==> /sys/block/mmcblk0/device/power <== head: error reading `/sys/block/mmcblk0/device/power': Is a directory ==> /sys/block/mmcblk0/device/preferred_erase_size <== 4194304 ==> /sys/block/mmcblk0/device/scr <== 0235000000000000 ==> /sys/block/mmcblk0/device/serial <== 0x30cd99b2 ==> /sys/block/mmcblk0/device/subsystem <== head: error reading `/sys/block/mmcblk0/device/subsystem': Is a directory ==> /sys/block/mmcblk0/device/type <== SD ==> /sys/block/mmcblk0/device/uevent <== DRIVER=mmcblk MMC_TYPE=SD MMC_NAME=SD04G MODALIAS=mmc:block $ sudo ./flashbench -a /dev/mmcblk0 --blocksize 1024 align 805306368 pre 781µs on 816µs post 639µs diff 106µs align 536870912 pre 783µs on 836µs post 662µs diff 113µs align 402653184 pre 823µs on 857µs post 665µs diff 113µs align 268435456 pre 831µs on 867µs post 659µs diff 122µs align 201326592 pre 768µs on 806µs post 609µs diff 117µs align 134217728 pre 833µs on 868µs post 663µs diff 120µs align 100663296 pre 777µs on 806µs post 611µs diff 111µs align 67108864 pre 722µs on 785µs post 592µs diff 128µs align 50331648 pre 706µs on 782µs post 671µs diff 93.7µs align 33554432 pre 744µs on 797µs post 576µs diff 136µs align 25165824 pre 554µs on 649µs post 572µs diff 85.3µs align 16777216 pre 637µs on 681µs post 567µs diff 79.4µs align 12582912 pre 648µs on 677µs post 581µs diff 62.2µs align 8388608 pre 650µs on 678µs post 582µs diff 61.8µs align 6291456 pre 714µs on 747µs post 586µs diff 96.7µs align 4194304 pre 729µs on 772µs post 662µs diff 76.5µs align 3145728 pre 650µs on 684µs post 586µs diff 65.4µs align 2097152 pre 720µs on 747µs post 582µs diff 95.8µs align 1572864 pre 731µs on 745µs post 669µs diff 45.3µs align 1048576 pre 781µs on 837µs post 658µs diff 117µs align 786432 pre 690µs on 692µs post 671µs diff 11.1µs align 524288 pre 732µs on 745µs post 666µs diff 45.7µs align 393216 pre 704µs on 686µs post 673µs diff -1998ns align 262144 pre 694µs on 689µs post 671µs diff 6.82µs align 196608 pre 701µs on 687µs post 674µs diff -594ns align 131072 pre 690µs on 685µs post 670µs diff 5.34µs align 98304 pre 702µs on 690µs post 670µs diff 4.34µs align 65536 pre 704µs on 685µs post 670µs diff -2468ns align 49152 pre 685µs on 697µs post 658µs diff 25.7µs align 32768 pre 701µs on 688µs post 671µs diff 2.15µs align 24576 pre 604µs on 679µs post 675µs diff 39.4µs align 16384 pre 694µs on 691µs post 656µs diff 15.7µs align 12288 pre 651µs on 656µs post 642µs diff 9.39µs align 8192 pre 625µs on 669µs post 671µs diff 21µs align 6144 pre 641µs on 626µs post 632µs diff -10210n sudo ./flashbench --open-au --erasesize=$[2*512*1024] --blocksize=8192 /dev/mmcblk0 --open-au-nr=3 --random 1MiB 8.38M/s 512KiB 8.38M/s 256KiB 7.01M/s 128KiB 7.06M/s 64KiB 6.93M/s 32KiB 5.54M/s 16KiB 5.42M/s 8KiB 2.26M/s --blocksize=8192 /dev/mmcblk0 --open-au-nr=3 --random 1MiB 6.85M/s 512KiB 8.35M/s 256KiB 8.37M/s 128KiB 7.01M/s 64KiB 7.01M/s 32KiB 6.67M/s 16KiB 5.43M/s 8KiB 2.26M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[1024*1024] --blocksize=8192 /dev/mmcblk0 --open-au-nr=4 --random 1MiB 7.89M/s 512KiB 9.3M/s 256KiB 7.98M/s 128KiB 4.76M/s 64KiB 3.55M/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[1024*1024] --blocksize=8192 /dev/mmcblk0 --open-au-nr=4 --random 1MiB 7.98M/s 512KiB 8.01M/s 256KiB 7.04M/s 128KiB 5.2M/s 64KiB 3.38M/s 32KiB 1.95M/s 16KiB 1.01M/s 8KiB 498K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[1024*1024] --blocksize=8192 /dev/mmcblk0 --open-au-nr=7 1MiB 12M/s 512KiB 10.7M/s 256KiB 10.6M/s 128KiB 10.6M/s 64KiB 10.6M/s 32KiB 12M/s 16KiB 8.91M/s 8KiB 6.15M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[1024*1024] --blocksize=8192 /dev/mmcblk0 --open-au-nr=10 1MiB 12.3M/s 512KiB 6.71M/s 256KiB 3.46M/s 128KiB 1.68M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[1024*1024] --blocksize=512 /dev/mmcblk0 --open-au-nr=7 1MiB 8.21M/s 512KiB 10.5M/s 256KiB 10.4M/s 128KiB 10.4M/s 64KiB 10.5M/s 32KiB 11.7M/s 16KiB 8.93M/s 8KiB 6.1M/s 4KiB 3.32M/s 2KiB 1.62M/s

14 years, 10 months

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Save your money and time in exhibition, this is the best supplier for mobile phone

by Picasa Web Albums

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14 years, 10 months

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Re: [Flashbench] IPPBX For Distributor

by Alex

Dear Product Manager From google, we get to know that you focus on communication pruducts with high reputation.We are professional IP-PBX,GSM gateway manufacturer with high-quality and competitive price. MyPBX STD V4 is the newest version that supports PSTN,GSM,VoIP trunks with FXS / FXO / PRI / BRI (ISDN) ports. It is embedded hybrid IP-PBX which caters for the small businesses. Please feel free to contact me to get further information to open our cooperation relationship in 2011. Thanks&Best Regards Alex Yeastar Technology Co.,Ltd Web: www.yeastar.com MSN: hqy(a)yeastar.com Skype: Yeastar.hqy Tel: +86 592 5503309 Ext.8026 Add: 202,No.23 Wanghai Road, 2nd Software Park, Xiamen, China --------------------------------------------------------------------------------

14 years, 10 months

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Results for Sandisk class 4 "SDHC card"

by Sascha Silbe

sascha.silbe@flatty:~$ find /sys/block/mmcblk0/device/ -maxdepth 1 -type f -printf '\n%f:\n' -exec cat \{\} \; uevent: DRIVER=mmcblk MMC_TYPE=SD MMC_NAME=SD04G MODALIAS=mmc:block cid: 0353445344303447800218eb1900a900 csd: 400e00325b5900001d8a7f800a404000 scr: 0235800000000000 date: 09/2010 fwrev: 0x0 hwrev: 0x8 manfid: 0x000003 name: SD04G oemid: 0x5344 serial: 0x0218eb19 type: SD Size: 3965190144B = 3872256 KiB flashtest@flatty:~/flashbench$ ./flashbench -a /dev/mmcblk0 --blocksize=1024 --count=1000 align 1073741824 pre 3.05ms on 3.83ms post 3.03ms diff 791µs align 536870912 pre 2.92ms on 3.79ms post 2.97ms diff 840µs align 268435456 pre 2.93ms on 3.85ms post 3.03ms diff 871µs align 134217728 pre 2.91ms on 3.78ms post 2.97ms diff 839µs align 67108864 pre 2.94ms on 3.84ms post 3.04ms diff 855µs align 33554432 pre 2.88ms on 3.78ms post 2.97ms diff 853µs align 16777216 pre 2.94ms on 3.85ms post 3.03ms diff 862µs align 8388608 pre 2.62ms on 3.5ms post 2.66ms diff 858µs align 4194304 pre 2.61ms on 3.49ms post 2.65ms diff 857µs align 2097152 pre 2.61ms on 3.51ms post 2.66ms diff 868µs align 1048576 pre 2.62ms on 3.5ms post 2.66ms diff 862µs align 524288 pre 2.63ms on 3.51ms post 2.67ms diff 859µs align 262144 pre 2.66ms on 2.94ms post 2.67ms diff 280µs align 131072 pre 2.66ms on 2.94ms post 2.66ms diff 281µs align 65536 pre 2.67ms on 2.97ms post 2.67ms diff 300µs align 32768 pre 2.66ms on 2.96ms post 2.67ms diff 293µs align 16384 pre 2.7ms on 2.95ms post 2.67ms diff 264µs align 8192 pre 2.69ms on 2.95ms post 2.67ms diff 272µs align 4096 pre 2.66ms on 2.71ms post 2.66ms diff 52.5µs align 2048 pre 2.67ms on 2.67ms post 2.67ms diff 2.51µs Trying to determine max. number of open AUs in non-random mode, 5 samples each: EBS=524288 ; for NUMAU in $(seq 1 10) ; do echo "Trying $NUMAU open AUs:" ; ./flashbench --open-au --open-au-nr=$NUMAU --erasesize=$EBS /dev/mmcblk0 |tr -s ' ' |tr ' ' '\t' > out.1 ; for nr in $(seq 2 5) ; do ./flashbench --open-au --open-au-nr=$NUMAU --erasesize=$EBS /dev/mmcblk0 |tr -s ' '|cut -d ' ' -f 2 > out.$nr ; done ; paste out.* ; done Trying 1 open AUs: 512KiB 5.95M/s 4.96M/s 4.99M/s 4.92M/s 5M/s 256KiB 6.47M/s 4.25M/s 5.15M/s 4.63M/s 3.21M/s 128KiB 6.48M/s 4.99M/s 4.83M/s 4.83M/s 3.34M/s 64KiB 6.5M/s 5.5M/s 4.95M/s 4.95M/s 3.19M/s 32KiB 6.13M/s 5.38M/s 5.01M/s 5.06M/s 3.85M/s 16KiB 5.35M/s 5.32M/s 5.29M/s 5.34M/s 3.35M/s Trying 2 open AUs: 512KiB 4.6M/s 4.06M/s 1.64M/s 4.68M/s 4.4M/s 256KiB 4.4M/s 3.71M/s 4.32M/s 3.7M/s 4.24M/s 128KiB 3.71M/s 4.03M/s 4M/s 3.65M/s 4.19M/s 64KiB 3.89M/s 4.14M/s 4.07M/s 3.63M/s 4.45M/s 32KiB 4.38M/s 4.01M/s 3.92M/s 4.34M/s 3.81M/s 16KiB 3.25M/s 2.7M/s 3.68M/s 3.05M/s 3.72M/s Trying 3 open AUs: 512KiB 4.56M/s 4.68M/s 4.36M/s 4.48M/s 4.13M/s 256KiB 4.37M/s 4.39M/s 4.18M/s 3.8M/s 3.99M/s 128KiB 4.3M/s 4.12M/s 4.16M/s 3.72M/s 2.3M/s 64KiB 5.33M/s 4.21M/s 4.82M/s 4.28M/s 4.7M/s 32KiB 3.82M/s 4.14M/s 3.8M/s 3.7M/s 4.2M/s 16KiB 3.38M/s 3.15M/s 3.52M/s 3.45M/s 3.19M/s Trying 4 open AUs: 512KiB 4.48M/s 3.86M/s 4.72M/s 4.43M/s 4.25M/s 256KiB 4.29M/s 2.84M/s 3.64M/s 3.85M/s 3.6M/s 128KiB 4.54M/s 1.69M/s 1.47M/s 4.06M/s 2.41M/s 64KiB 4.58M/s 4.2M/s 4.74M/s 1.93M/s 4.55M/s 32KiB 4.11M/s 4.03M/s 3.71M/s 4.5M/s 1.46M/s 16KiB 3.32M/s 2.64M/s 2.14M/s 3.2M/s 3.13M/s Trying 5 open AUs: 512KiB 4.19M/s 1.4M/s 4.26M/s 4.21M/s 4.53M/s 256KiB 4.35M/s 4.31M/s 2.07M/s 1.92M/s 3.85M/s 128KiB 4.8M/s 4.65M/s 4.55M/s 3.71M/s 3.89M/s 64KiB 3.54M/s 4.2M/s 4.05M/s 4.33M/s 4.48M/s 32KiB 1.87M/s 3.95M/s 4.07M/s 3.91M/s 3.85M/s 16KiB 2.71M/s 2.63M/s 1.7M/s 1.17M/s 873K/s Trying 6 open AUs: 512KiB 4.31M/s 4.02M/s 3.91M/s 4.03M/s 4.51M/s 256KiB 4.13M/s 3.87M/s 3.92M/s 3.97M/s 3.99M/s 128KiB 4.1M/s 4.24M/s 4.13M/s 4.09M/s 4.06M/s 64KiB 4.25M/s 4.52M/s 4.47M/s 4.09M/s 4.13M/s 32KiB 4.03M/s 4.09M/s 2.41M/s 4.13M/s 4.4M/s 16KiB 879K/s 1.11M/s 826K/s 889K/s 1.06M/s Trying 7 open AUs: 512KiB 4.19M/s 4.06M/s 4.11M/s 4.11M/s 4.18M/s 256KiB 4.04M/s 4.38M/s 4.39M/s 4.03M/s 4M/s 128KiB 4.35M/s 4.39M/s 4.49M/s 4.18M/s 4.2M/s 64KiB 4.17M/s 3.87M/s 4.17M/s 3.84M/s 4.17M/s 32KiB 1.15M/s 1M/s 3.82M/s 1.76M/s 1.03M/s 16KiB 1.54M/s 1.44M/s 868K/s 1.29M/s 1.99M/s Trying 8 open AUs: 512KiB 4.14M/s 4.24M/s 4.33M/s 4.41M/s 4.2M/s 256KiB 4.03M/s 4.12M/s 4.14M/s 3.07M/s 4.04M/s 128KiB 4.28M/s 4.33M/s 3.89M/s 2.19M/s 4.46M/s 64KiB 2.07M/s 1.05M/s 1.49M/s 1.53M/s 1.91M/s 32KiB 1.24M/s 3.85M/s 1.01M/s 2.17M/s 1.56M/s 16KiB 1.59M/s 1.67M/s 3.3M/s 1.03M/s 1.36M/s Trying 9 open AUs: 512KiB 4.15M/s 4.19M/s 4.06M/s 3.34M/s 4.07M/s 256KiB 4.07M/s 4.19M/s 4.02M/s 4.09M/s 3.97M/s 128KiB 2.55M/s 1.59M/s 4.38M/s 2.62M/s 2.78M/s 64KiB 1.42M/s 2.97M/s 2.88M/s 1.72M/s 2.72M/s 32KiB 1.46M/s 1.05M/s 995K/s 1.42M/s 1.13M/s 16KiB 3.3M/s 1.27M/s 1.98M/s 1.73M/s 1.54M/s Trying 10 open AUs: 512KiB 4.18M/s 3.57M/s 4.04M/s 4.07M/s 4.15M/s 256KiB 4.18M/s 4.15M/s 3.9M/s 4.1M/s 4.16M/s 128KiB 3.53M/s 2.73M/s 2.48M/s 2.38M/s 3.05M/s 64KiB 1.66M/s 1.72M/s 2.6M/s 2.09M/s 2.63M/s 32KiB 2.71M/s 1.22M/s 1.37M/s 1.19M/s 977K/s 16KiB 906K/s 1.39M/s 1.21M/s 1.44M/s 1.55M/s Trying to determine max. number of open AUs in random mode, 5 samples each: EBS=524288 ; for NUMAU in $(seq 1 10) ; do echo "Trying $NUMAU open AUs:" ; ./flashbench --open-au --random --open-au-nr=$NUMAU --erasesize=$EBS /dev/mmcblk0 |tr -s ' ' |tr ' ' '\t' > out.1 ; for nr in $(seq 2 5) ; do ./flashbench --open-au --random --open-au-nr=$NUMAU --erasesize=$EBS /dev/mmcblk0 |tr -s ' '|cut -d ' ' -f 2 > out.$nr ; done ; paste out.* ; done Trying 1 open AUs: 512KiB 6.03M/s 4.23M/s 3.99M/s 3.82M/s 4.49M/s 256KiB 6.47M/s 3.83M/s 3.74M/s 3.61M/s 4.14M/s 128KiB 6.48M/s 3.69M/s 3.51M/s 3.62M/s 3.56M/s 64KiB 6.46M/s 3.36M/s 3.14M/s 3.54M/s 3.33M/s 32KiB 5.95M/s 3.94M/s 3.87M/s 3.76M/s 3.76M/s 16KiB 5.15M/s 3.77M/s 2.68M/s 3.8M/s 3.72M/s Trying 2 open AUs: 512KiB 4.58M/s 4.7M/s 4.58M/s 5.04M/s 4.56M/s 256KiB 4.39M/s 3.98M/s 4.19M/s 4.08M/s 4.3M/s 128KiB 4.07M/s 4.14M/s 4.1M/s 3.99M/s 3.47M/s 64KiB 3.44M/s 4.55M/s 3.43M/s 4.05M/s 3.67M/s 32KiB 4.42M/s 4.34M/s 4.38M/s 3.85M/s 4.39M/s 16KiB 3.33M/s 3.44M/s 3.28M/s 3.28M/s 3.3M/s Trying 3 open AUs: 512KiB 3.89M/s 4.2M/s 3.93M/s 4.17M/s 4.43M/s 256KiB 4.59M/s 3.86M/s 3.89M/s 4.07M/s 4.09M/s 128KiB 4.07M/s 4.17M/s 3.71M/s 4.15M/s 4.17M/s 64KiB 3.5M/s 4.81M/s 3.86M/s 4.7M/s 4.64M/s 32KiB 1.05M/s 3.92M/s 4.23M/s 4.2M/s 3.96M/s 16KiB 3.35M/s 3.46M/s 3.15M/s 3.19M/s 3.44M/s Trying 4 open AUs: 512KiB 3.99M/s 3.88M/s 4.13M/s 4.1M/s 2.56M/s 256KiB 4.53M/s 2.87M/s 4M/s 3.8M/s 4.29M/s 128KiB 4.44M/s 4.04M/s 3.11M/s 4.29M/s 4.19M/s 64KiB 4.92M/s 1.45M/s 4.85M/s 3.24M/s 3.58M/s 32KiB 3.89M/s 4.01M/s 1.44M/s 1.56M/s 4.44M/s 16KiB 3.42M/s 3.36M/s 3.4M/s 3.35M/s 2.61M/s Trying 5 open AUs: 512KiB 3.97M/s 2.08M/s 1.5M/s 3.9M/s 4.03M/s 256KiB 2.45M/s 2.96M/s 4.5M/s 2.28M/s 1.66M/s 128KiB 4.26M/s 4.39M/s 4.56M/s 1.45M/s 2.16M/s 64KiB 3.46M/s 3.88M/s 4.42M/s 4.74M/s 4.21M/s 32KiB 2.28M/s 3.19M/s 4.27M/s 4.46M/s 3.77M/s 16KiB 2.06M/s 1.81M/s 3.26M/s 3.34M/s 2.69M/s Trying 6 open AUs: 512KiB 4.23M/s 3.91M/s 4.05M/s 4.46M/s 4.2M/s 256KiB 1.65M/s 3.89M/s 4.51M/s 4.29M/s 3.98M/s 128KiB 4.29M/s 4.27M/s 4.27M/s 4.31M/s 4.09M/s 64KiB 2.13M/s 4.38M/s 4.13M/s 4.11M/s 4.28M/s 32KiB 3.82M/s 3.84M/s 3.96M/s 4.33M/s 1.78M/s 16KiB 1.07M/s 646K/s 975K/s 1.13M/s 1.17M/s Trying 7 open AUs: 512KiB 4.19M/s 4.29M/s 4.39M/s 4.13M/s 4.03M/s 256KiB 3.97M/s 3.98M/s 4.08M/s 4.23M/s 4.13M/s 128KiB 4.14M/s 4.31M/s 4.37M/s 4.54M/s 4.25M/s 64KiB 4.35M/s 4.4M/s 4.27M/s 4.58M/s 3.18M/s 32KiB 3.09M/s 1.44M/s 2.32M/s 1.12M/s 1.04M/s 16KiB 1.03M/s 966K/s 787K/s 1.84M/s 3.23M/s Trying 8 open AUs: 512KiB 4.33M/s 3.81M/s 4.02M/s 3.99M/s 4.02M/s 256KiB 4.08M/s 4.13M/s 4.06M/s 4.03M/s 3.87M/s 128KiB 4.35M/s 4.33M/s 4.69M/s 4.31M/s 1.85M/s 64KiB 2.83M/s 1.52M/s 1.38M/s 2.55M/s 3.81M/s 32KiB 1.54M/s 3.25M/s 1.7M/s 1.01M/s 1.43M/s 16KiB 883K/s 1.29M/s 1.04M/s 1.7M/s 1.21M/s Trying 9 open AUs: 512KiB 3.92M/s 2.78M/s 4.01M/s 4.01M/s 3.7M/s 256KiB 4.13M/s 3.77M/s 4.11M/s 4.04M/s 4.05M/s 128KiB 4.31M/s 3.25M/s 1.88M/s 4.4M/s 2.81M/s 64KiB 4.42M/s 1.8M/s 2.05M/s 2.8M/s 1.84M/s 32KiB 1.51M/s 1.46M/s 1.37M/s 1.2M/s 1.32M/s 16KiB 1.24M/s 1.68M/s 1.31M/s 1.71M/s 1.46M/s Trying 10 open AUs: 512KiB 4.03M/s 4.4M/s 4.08M/s 4.22M/s 4.14M/s 256KiB 3.98M/s 3.79M/s 3.93M/s 4M/s 4.07M/s 128KiB 3M/s 1.71M/s 4.23M/s 4.04M/s 1.62M/s 64KiB 2.87M/s 1.99M/s 2.01M/s 1.89M/s 3.44M/s 32KiB 1.02M/s 1.01M/s 1.23M/s 1.75M/s 1.17M/s 16KiB 1.67M/s 972K/s 1.11M/s 970K/s 1.58M/s flashtest@flatty:~/flashbench$ ./flashbench --findfat --random --erasesize=524288 /dev/mmcblk0 512KiB 5.33M/s 6.24M/s 6.23M/s 6.24M/s 6.23M/s 6.23M/s 256KiB 6.21M/s 6.23M/s 6.22M/s 6.25M/s 6.25M/s 6.08M/s 128KiB 6.23M/s 6.25M/s 6.25M/s 6.26M/s 6M/s 5.75M/s 64KiB 6.02M/s 6.04M/s 6.15M/s 4M/s 4.01M/s 4.5M/s 32KiB 5.2M/s 5.9M/s 5.9M/s 5.88M/s 5.91M/s 5.91M/s 16KiB 5.2M/s 5.2M/s 5.19M/s 5.17M/s 5.21M/s 5.19M/s flashtest@flatty:~/flashbench$ I hope you can read more into that data than I do. I have a feeling 5 samples are not enough to reliably determine the number of open AUs for this card. Sascha -- http://sascha.silbe.org/ http://www.infra-silbe.de/

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