Flashbench-results

flashbench-results@lists.linaro.org

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624 discussions

by Cngking

To ensure delivery of these Emails to your inbox, please add gwenzhan(a)gk-ing.com to your email address book. Dear Friend : Long time no contact ,how are you?Time flies,next We will be in "July of 2012".Our colleague Hillary Wu already back to Hometown for wedding,Cheers.Next i will be in charge for her job.pls noted. Do you have this kind of situation?want to buy Usb flash,but too many choices let you lost your judgement.after read below maybe you will know Why buy from us ? Any question pls feel free to let me know. Regards/Gwen G&K.Ing "We make miracle" ? Add:Rm 703.KingLihua Commercial Building,YiYuan Road,Bao"an ,ShenZhen,China Tel: 86(0)755 22208877 Fax:86(0)755 22141877 Mobile:86-13714133320 E-mail:gwenzhan@gk-ing.com,MSN:gwenzhan@hotmail.com,Website: www.gk-ing.com If you don't want to receive these Emails, please click unsubscribe.

12 years, 11 months

flashbench read test of Sandisk 16GB Extreme SDHC card

by Omega Weapon

As requested in the readme, I have used flashbench to test the card in the topic. Here are my results, taken by a Debian Wheezy install (Linux omega1 3.2.0-2-amd64 #1 SMP Mon Jun 11 17:24:18 UTC 2012 x86_64 GNU/Linux) on a Transcend 3.0 USB reader running through a USB2 port: sudo ./flashbench -a /dev/sdm --blocksize=1024 align 4294967296 pre 1.22ms on 1.42ms post 1.21ms diff 197µs align 2147483648 pre 1.21ms on 1.49ms post 1.04ms diff 367µs align 1073741824 pre 1.12ms on 1.41ms post 1.07ms diff 319µs align 536870912 pre 1.19ms on 1.44ms post 1.03ms diff 330µs align 268435456 pre 1.22ms on 1.44ms post 1.17ms diff 243µs align 134217728 pre 1.19ms on 1.46ms post 1.02ms diff 354µs align 67108864 pre 1.18ms on 1.44ms post 1.24ms diff 233µs align 33554432 pre 1.19ms on 1.4ms post 1.23ms diff 187µs align 16777216 pre 1.18ms on 1.43ms post 1.21ms diff 240µs align 8388608 pre 1.14ms on 1.46ms post 1.21ms diff 280µs align 4194304 pre 951µs on 1.12ms post 920µs diff 179µs align 2097152 pre 981µs on 1.07ms post 993µs diff 78.1µs align 1048576 pre 993µs on 1.09ms post 1.01ms diff 93.8µs align 524288 pre 996µs on 1.09ms post 1.01ms diff 86.5µs align 262144 pre 987µs on 1.09ms post 1ms diff 97.6µs align 131072 pre 977µs on 1.09ms post 1ms diff 102µs align 65536 pre 1.05ms on 1.1ms post 982µs diff 89.3µs align 32768 pre 1.03ms on 1.07ms post 1.07ms diff 24.7µs align 16384 pre 1.01ms on 1.08ms post 1.02ms diff 66.6µs align 8192 pre 1ms on 1.08ms post 1.01ms diff 68.3µs align 4096 pre 994µs on 1.07ms post 1.02ms diff 56.4µs align 2048 pre 1.02ms on 1.08ms post 1.02ms diff 58.7µs

12 years, 11 months

Sandisk Extreme 45MB/s 16GB UHS-1 SDHC

by Arnd Bergmann

==> /sys/block/mmcblk0/device/cid <== 03534453553136478000c1eec400c300 ==> /sys/block/mmcblk0/device/csd <== 400e00325b59000076b27f800a404000 ==> /sys/block/mmcblk0/device/date <== 03/2012 ==> /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 <== SU16G ==> /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 <== 0235800300000000 ==> /sys/block/mmcblk0/device/serial <== 0x00c1eec4 ==> /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=SU16G MODALIAS=mmc:block Disk /dev/mmcblk0: 15.9 GB, 15931539456 bytes 255 heads, 63 sectors/track, 1936 cylinders, total 31116288 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 31116287 15554048 c W95 FAT32 (LBA) $ sudo ./flashbench -a /dev/mmcblk0 --blocksize=1024 align 1610612736 pre 576µs on 683µs post 574µs diff 108µs align 1073741824 pre 574µs on 689µs post 568µs diff 118µs align 805306368 pre 578µs on 698µs post 575µs diff 121µs align 536870912 pre 570µs on 715µs post 564µs diff 148µs align 402653184 pre 578µs on 720µs post 573µs diff 145µs align 268435456 pre 573µs on 669µs post 568µs diff 97.9µs align 201326592 pre 582µs on 715µs post 577µs diff 135µs align 134217728 pre 581µs on 695µs post 576µs diff 116µs align 100663296 pre 570µs on 664µs post 565µs diff 96.5µs align 67108864 pre 572µs on 689µs post 569µs diff 118µs align 50331648 pre 568µs on 678µs post 569µs diff 109µs align 33554432 pre 581µs on 694µs post 578µs diff 114µs align 25165824 pre 549µs on 688µs post 562µs diff 132µs align 16777216 pre 569µs on 666µs post 554µs diff 105µs align 12582912 pre 579µs on 578µs post 576µs diff 618ns align 8388608 pre 574µs on 704µs post 569µs diff 133µs align 6291456 pre 573µs on 593µs post 572µs diff 20.7µs align 4194304 pre 581µs on 607µs post 571µs diff 30.5µs align 3145728 pre 571µs on 579µs post 576µs diff 5.44µs align 2097152 pre 580µs on 583µs post 580µs diff 3.2µs align 1572864 pre 574µs on 578µs post 575µs diff 3.63µs align 1048576 pre 582µs on 585µs post 579µs diff 4.77µs align 786432 pre 571µs on 577µs post 569µs diff 6.89µs align 524288 pre 573µs on 575µs post 572µs diff 2.2µs align 393216 pre 578µs on 581µs post 582µs diff 1.3µs align 262144 pre 574µs on 578µs post 570µs diff 6.3µs align 196608 pre 578µs on 578µs post 569µs diff 4.91µs align 131072 pre 572µs on 581µs post 574µs diff 7.64µs align 98304 pre 572µs on 574µs post 568µs diff 3.45µs align 65536 pre 571µs on 578µs post 567µs diff 9.32µs align 49152 pre 580µs on 579µs post 580µs diff -702ns align 32768 pre 569µs on 571µs post 568µs diff 1.98µs align 24576 pre 571µs on 569µs post 567µs diff -536ns align 16384 pre 568µs on 570µs post 570µs diff 696ns align 12288 pre 571µs on 569µs post 566µs diff 728ns align 8192 pre 566µs on 567µs post 569µs diff -846ns align 6144 pre 565µs on 566µs post 563µs diff 1.7µs align 4096 pre 573µs on 578µs post 574µs diff 4.31µs align 3072 pre 569µs on 568µs post 565µs diff 725ns align 2048 pre 572µs on 570µs post 573µs diff -2032ns $ sudo ./flashbench --open-au --erasesize=$[8*1024*1024] /dev/mmcblk0 --ocksize=1024 --open-au-nr=9 8MiB 11.9M/s 4MiB 11.9M/s 2MiB 11.8M/s 1MiB 11.8M/s 512KiB 11.8M/s 256KiB 11.7M/s 128KiB 11.5M/s 64KiB 11.2M/s 32KiB 8.73M/s 16KiB 6.07M/s 8KiB 3.54M/s 4KiB 2.08M/s 2KiB 1.01M/s 1KiB 517K/s sudo ./flashbench --open-au --erasesize=$[8*1024*1024] /dev/mmcblk0 --blocksize=1024 --open-au-nr=10 8MiB 11.9M/s 4MiB 9.3M/s 2MiB 5.01M/s 1MiB 2.69M/s $ sudo ./flashbench --open-au --erasesize=$[8*1024*1024] /dev/mmcblk0 --ocksize=1024 --open-au-nr=1 --random 8MiB 8.13M/s 4MiB 7.72M/s 2MiB 4.87M/s 1MiB 2.57M/s 512KiB 1.29M/s 256KiB 639K/s $ sudo ./flashbench --open-au --erasesize=$[8*1024*1024] /dev/mmcblk0 --ocksize=1024 --open-au-nr=1 --random 8MiB 8.13M/s 4MiB 7.72M/s 2MiB 4.87M/s 1MiB 2.57M/s 512KiB 1.29M/s 256KiB 639K/s 128KiB 602K/s 64KiB 513K/s 32KiB 2.44M/s 16KiB 3.39M/s 8KiB 1.75M/s 4KiB 893K/s 2KiB 425K/s 1KiB 222K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --findfat --erasesize=$[2*1024*1024] /dev/mmcblk0 --ocksize=4096 --fat-nr=8 --random 2MiB 11.7M/s 11.9M/s 6.45M/s 7.19M/s 11.9M/s 12M/s 12M/s 11.9M/s 1MiB 3.38M/s 2.4M/s 2.02M/s 3.55M/s 5.74M/s 2.21M/s 2.66M/s 2.42M/s 512KiB 1.32M/s 1.16M/s 1.55M/s 3.9M/s 1.2M/s 1.2M/s 1.2M/s 1.19M/s 256KiB 1.32M/s 536K/s 1.98M/s 3.66M/s 692K/s 534K/s 532K/s 533K/s 128KiB 1.08M/s 770K/s 1.56M/s 5.08M/s 698K/s 773K/s 666K/s 665K/s 64KiB 1.25M/s 582K/s 2.36M/s 3.41M/s 568K/s 586K/s 586K/s 586K/s 32KiB 1.58M/s 953K/s 2.42M/s 4.28M/s 1.02M/s 1.03M/s 961K/s 960K/s 16KiB 2.27M/s 3.32M/s 3.3M/s 4.84M/s 1.41M/s 1.61M/s 1.91M/s 1.91M/s 8KiB 1.72M/s 1.87M/s 2.19M/s 1.49M/s 2M/s 2.01M/s 1.86M/s 1.83M/s 4KiB 796K/s 960K/s 576K/s 758K/s 1.04M/s 863K/s 861K/s 1.07M/s

12 years, 12 months

Toshiba 8 GB microSDHC Class 4

by Arnd Bergmann

Very surprisingly, this card with a Toshiba controller actually has 3 writeable erase blocks, not just one, and supports random access. ==> /sys/block/mmcblk0/device/block <== head: error reading `/sys/block/mmcblk0/device/block': Is a directory ==> /sys/block/mmcblk0/device/cid <== 02544d53413038471028cc2d7f00c200 ==> /sys/block/mmcblk0/device/csd <== 400e00325b5900003a477f800a400000 ==> /sys/block/mmcblk0/device/date <== 02/2012 ==> /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 <== 0x1 ==> /sys/block/mmcblk0/device/manfid <== 0x000002 ==> /sys/block/mmcblk0/device/name <== SA08G ==> /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 <== 0x28cc2d7f ==> /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=SA08G MODALIAS=mmc:block ==> /proc/partitions <== 179 0 7639040 mmcblk0 179 1 7634944 mmcblk0p1 align 100663296 pre 545µs on 852µs post 734µs diff 213µs align 67108864 pre 545µs on 854µs post 734µs diff 215µs align 50331648 pre 543µs on 851µs post 732µs diff 213µs align 33554432 pre 543µs on 853µs post 735µs diff 214µs align 25165824 pre 545µs on 855µs post 733µs diff 217µs align 16777216 pre 547µs on 856µs post 740µs diff 212µs align 12582912 pre 543µs on 854µs post 736µs diff 214µs align 8388608 pre 542µs on 860µs post 751µs diff 214µs align 6291456 pre 541µs on 723µs post 731µs diff 86.7µs align 4194304 pre 550µs on 858µs post 741µs diff 213µs align 3145728 pre 545µs on 741µs post 732µs diff 103µs align 2097152 pre 529µs on 714µs post 718µs diff 89.9µs align 1572864 pre 529µs on 716µs post 720µs diff 91.5µs align 1048576 pre 545µs on 746µs post 733µs diff 107µs align 786432 pre 549µs on 748µs post 735µs diff 106µs align 524288 pre 548µs on 744µs post 732µs diff 104µs align 393216 pre 552µs on 748µs post 739µs diff 103µs align 262144 pre 548µs on 745µs post 741µs diff 101 align 196608 pre 549µs on 745µs post 738µs diff 101µs align 131072 pre 553µs on 749µs post 740µs diff 103µs align 98304 pre 546µs on 747µs post 735µs diff 107µs $ sudo ./flashbench --open-au /dev/mmcblk0 --blocksize=1024 --erasesize=$[8*1024*1024] 8MiB 4.96M/s 4MiB 5.02M/s 2MiB 5.31M/s 1MiB 5M/s 512KiB 5M/s 256KiB 5M/s 128KiB 4.98M/s 64KiB 4.96M/s 32KiB 4.89M/s 16KiB 3.74M/s 8KiB 2.42M/s 4KiB 1.46M/s 2KiB 809K/s 1KiB 431K/s $ sudo ./flashbench --open-au /dev/mmcblk0 --blocksize=8192 --erasesize=$[8*1024*1024] --open-au-nr=2 8MiB 5.54M/s 4MiB 5.01M/s 2MiB 5.03M/s 1MiB 5.03M/s 512KiB 5.01M/s 256KiB 5.02M/s 128KiB 5.01M/s 64KiB 4.96M/s 32KiB 4.9M/s 16KiB 3.82M/s 8KiB 2.42M/s $ sudo ./flashbench --open-au /dev/mmcblk0 --blocksize=8192 --erasesize=$[4*1024*1024] --open-au-nr=2 4MiB 4.15M/s 2MiB 4.64M/s 1MiB 4.61M/s 512KiB 4.65M/s 256KiB 4.65M/s 128KiB 4.65M/s 64KiB 4.6M/s 32KiB 4.44M/s 16KiB 3.39M/s 8KiB 2.24M/s $ sudo ./flashbench --open-au /dev/mmcblk0 --blocksize=8192 --erasesize=$[4*1024*1024] --open-au-nr=2 --offset=$[17*1024*1024] 4MiB 3.6M/s 2MiB 2.27M/s 1MiB 2.72M/s 512KiB 3.03M/s $ sudo ./flashbench --open-au /dev/mmcblk0 --blocksize=8192 --erasesize=$[4*1024*1024] --open-au-nr=2 --offset=$[18*1024*1024] 4MiB 2.21M/s 2MiB 2.1M/s 1MiB 1.98M/s $ sudo ./flashbench --open-au /dev/mmcblk0 --blocksize=8192 --erasesize=$[4*1024*1024] --open-au-nr=2 --random 4MiB 5.03M/s 2MiB 2.69M/s 1MiB 3.15M/s 512KiB 1.43M/s 256KiB 1.75M/s 128KiB 1.89M/s 64KiB 1.37M/s 32KiB 1.2M/s 16KiB 1.19M/s 8KiB 613K/s $ sudo ./flashbench --open-au /dev/mmcblk0 --blocksize=8192 --erasesize=$[4*1024*1024] --open-au-nr=4 4MiB 3.23M/s 2MiB 4.27M/s 1MiB 1.45M/s 512KiB 628K/s ^Carnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --blocksize=8192 --erasesize=$[4*1024*1024] --open-au-nr=3 4MiB 3M/s 2MiB 4.58M/s 1MiB 4.57M/s 512KiB 4.55M/s 256KiB 4.57M/s 128KiB 4.54M/s 64KiB 4.52M/s 32KiB 4.37M/s 16KiB 3.34M/s 8KiB 2.2M/s $ sudo ./flashbench --open-au /dev/mmcblk0 --blocksize=8192 --erasesize=$[4*1024*1024] --open-au-nr=1 --random 4MiB 6.57M/s 2MiB 1.9M/s 1MiB 1.99M/s 512KiB 1.73M/s 256KiB 1.82M/s 128KiB 1.37M/s 64KiB 1.4M/s 32KiB 1.33M/s 16KiB 1.2M/s 8KiB 602K/s $ sudo ./flashbench --open-au /dev/mmcblk0 --blocksize=8192 --erasesize=$[4*1024*1024] --open-au-nr=3 --random 4MiB 6.27M/s 2MiB 3.31M/s 1MiB 3.14M/s 512KiB 1.43M/s 256KiB 1.76M/s 128KiB 1.89M/s 64KiB 1.37M/s 32KiB 1.2M/s $ sudo ./flashbench --findfat --fat-nr=6 /dev/mmcblk0 --blocksize=8192 --erasesize=$[4*1024*1024] --open-au-nr=1 --random 4MiB 752K/s 4.9M/s 2.86M/s 5M/s 5.01M/s 4.93M/s 2MiB 4.54M/s 4.53M/s 3.3M/s 2.19M/s 2.19M/s 2.32M/s 1MiB 4.03M/s 4.19M/s 2.33M/s 2.34M/s 2.34M/s 2.24M/s 512KiB 4.32M/s 4.17M/s 1.38M/s 1.38M/s 1.38M/s 1.38M/s

13 years

Samsung Essential 8GB microSDHC

by Arnd Bergmann

==> /sys/block/mmcblk0/device/cid <== 1b534d303030303010146d6df100bb00 ==> /sys/block/mmcblk0/device/csd <== 400e00325b5900003b577f800a400000 ==> /sys/block/mmcblk0/device/date <== 11/2011 ==> /sys/block/mmcblk0/device/erase_size <== 512 ==> /sys/block/mmcblk0/device/fwrev <== 0x0 ==> /sys/block/mmcblk0/device/hwrev <== 0x1 ==> /sys/block/mmcblk0/device/manfid <== 0x00001b ==> /sys/block/mmcblk0/device/name <== 00000 ==> /sys/block/mmcblk0/device/oemid <== 0x534d ==> /sys/block/mmcblk0/device/preferred_erase_size <== 4194304 ==> /sys/block/mmcblk0/device/scr <== 0235800000000000 ==> /sys/block/mmcblk0/device/serial <== 0x146d6df1 ==> /sys/block/mmcblk0/device/type <== SD ==> /sys/block/mmcblk0/device/uevent <== DRIVER=mmcblk MMC_TYPE=SD MMC_NAME=00000 MODALIAS=mmc:block $ sudo fdisk -l /dev/mmcblk0 -u Disk /dev/mmcblk0: 7964 MB, 7964983296 bytes 91 heads, 18 sectors/track, 9497 cylinders, total 15556608 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 15556607 7774208 b W95 FAT32 $factor 7964983296 7964983296: 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 211 arnd@klappe2:~/git/flashbench$ sudo ./flashbench -a --blocksize=1024 /dev/mmcblk0 [sudo] password for arnd: align 805306368 pre 830µs on 1.04ms post 701µs diff 276µs align 536870912 pre 835µs on 1.1ms post 773µs diff 301µs align 402653184 pre 786µs on 1.07ms post 711µs diff 318µs align 268435456 pre 819µs on 1.1ms post 773µs diff 304µs align 201326592 pre 756µs on 1.06ms post 702µs diff 334µs align 134217728 pre 818µs on 1.08ms post 772µs diff 289µs align 100663296 pre 766µs on 1.06ms post 697µs diff 325µs align 67108864 pre 837µs on 1.1ms post 785µs diff 292µs align 50331648 pre 783µs on 1.05ms post 700µs diff 306µs align 33554432 pre 831µs on 1.1ms post 767µs diff 304µs align 25165824 pre 762µs on 1.03ms post 698µs diff 302µs align 16777216 pre 821µs on 1.12ms post 780µs diff 315µs align 12582912 pre 756µs on 1.03ms post 698µs diff 303µs align 8388608 pre 813µs on 1.08ms post 772µs diff 292µs align 6291456 pre 701µs on 992µs post 721µs diff 281µs align 4194304 pre 660µs on 943µs post 736µs diff 246µs align 3145728 pre 621µs on 713µs post 710µs diff 47.8µs align 2097152 pre 669µs on 929µs post 722µs diff 233µs align 1572864 pre 612µs on 710µs post 708µs diff 49.9µs align 1048576 pre 610µs on 718µs post 723µs diff 51.3µs align 786432 pre 615µs on 712µs post 707µs diff 50.7µs align 524288 pre 604µs on 707µs post 715µs diff 47.9µs align 393216 pre 618µs on 710µs post 708µs diff 47µs align 262144 pre 608µs on 717µs post 721µs diff 52.5µs align 196608 pre 618µs on 712µs post 708µs diff 49.3µs align 131072 pre 605µs on 708µs post 718µs diff 46.2µs align 98304 pre 614µs on 701µs post 710µs diff 39.4µs align 65536 pre 607µs on 705µs post 717µs diff 42.9µs align 49152 pre 612µs on 707µs post 717µs diff 43.2µs align 32768 pre 619µs on 711µs post 710µs diff 46.2µs align 24576 pre 622µs on 713µs post 723µs diff 40.8µs align 16384 pre 622µs on 718µs post 730µs diff 42.1µs align 12288 pre 681µs on 676µs post 668µs diff 2.15µs align 8192 pre 624µs on 704µs post 721µs diff 30.9µs align 6144 pre 650µs on 644µs post 638µs diff 276ns align 4096 pre 679µs on 675µs post 663µs diff 3.71µs align 3072 pre 694µs on 689µs post 680µs diff 1.95µs align 2048 pre 710µs on 700µs post 693µs diff -1114ns arnd@klappe2:~/git/flashbench$ sudo ./flashbench --findfat --blocksize=1024 /dev/mmcblk0 --fat-nr=8 --erasesize=$[1024*1024] 1MiB 8.01M/s 7.71M/s 7.68M/s 7.84M/s 7.82M/s 7.48M/s 3.51M/s 4.74M/s 512KiB 1.22M/s 3.41M/s 4.74M/s 4.76M/s 3.31M/s 4.66M/s 4.83M/s 5.51M/s 256KiB 473K/s 4.8M/s 4.78M/s 4.47M/s 7.81M/s 7.46M/s 7.97M/s 7.68M/s 128KiB 1.12M/s 4.8M/s 4.78M/s 4.48M/s 7.79M/s 7.45M/s 7.97M/s 7.68M/s 64KiB 3.51M/s 4.8M/s 4.78M/s 4.49M/s 7.77M/s 7.39M/s 7.95M/s 7.64M/s 32KiB 3.08M/s 4.01M/s 3.02M/s 5.51M/s 5.88M/s 5.69M/s 3.18M/s 4.11M/s 16KiB 809K/s 3.85M/s 3.8M/s 3.76M/s 3.87M/s 3.74M/s 3.76M/s 3.92M/s 8KiB 1.88M/s 1.9M/s 1.89M/s 1.89M/s 1.55M/s 1.25M/s 1.11M/s 1.18M/s 4KiB 590K/s 967K/s 950K/s 573K/s 964K/s 807K/s 522K/s 925K/s 2KiB 482K/s 483K/s 358K/s 325K/s 475K/s 482K/s 480K/s 355K/s 1KiB 207K/s 205K/s 237K/s 204K/s 238K/s 207K/s 238K/s 182K/s 1MiB 7.99M/s 7.7M/s 7.69M/s 7.92M/s 7.77M/s 7.46M/s 7.99M/s 7.52M/s 512KiB 376K/s 3.44M/s 4.73M/s 4.78M/s 6.81M/s 7.47M/s 8M/s 7.64M/s 256KiB 472K/s 4.8M/s 4.77M/s 4.47M/s 7.05M/s 7.44M/s 7.96M/s 7.62M/s 128KiB 1.12M/s 4.82M/s 4.78M/s 4.48M/s 7.77M/s 7.47M/s 7.97M/s 7.66M/s 64KiB 3.5M/s 4.81M/s 4.79M/s 4.48M/s 7.77M/s 7.46M/s 7.98M/s 7.65M/s $ sudo ./flashbench --open-au --blocksize=3072 /dev/mmcblk0 --open-au-nr=1 --erasesize=$[6*1024*1024] 6MiB 5.98M/s 3MiB 2.33M/s 1.5MiB 2.33M/s 768KiB 2.33M/s 384KiB 2.33M/s 192KiB 3.04M/s 96KiB 3.99M/s 48KiB 6.1M/s 24KiB 4.15M/s 12KiB 1.85M/s 6KiB 1.11M/s 3KiB 519K/s $ sudo ./flashbench --open-au --blocksize=3072 /dev/mmcblk0 --open-au-nr=2 --erasesize=$[6*1024*1024] 6MiB 7.5M/s 3MiB 5.78M/s 1.5MiB 7.76M/s 768KiB 7.73M/s 384KiB 7.76M/s 192KiB 7.73M/s 96KiB 6.65M/s 48KiB 6.09M/s 24KiB 4.19M/s 12KiB 1.59M/s 6KiB 909K/s 3KiB 541K/s $ sudo ./flashbench --open-au --blocksize=3072 /dev/mmcblk0 --open-au-nr=3 --erasesize=$[6*1024*1024] 6MiB 7.57M/s 3MiB 5.11M/s 1.5MiB 2.92M/s 768KiB 2.24M/s 384KiB 1.56M/s 192KiB 1.48M/s 96KiB 1.1M/s 48KiB 1.11M/s $ sudo ./flashbench --open-au --blocksize=3072 /dev/mmcblk0 --open-au-nr=2 --erasesize=$[3*1024*1024] 3MiB 3.81M/s 1.5MiB 3.6M/s 768KiB 4.33M/s 384KiB 4.34M/s 192KiB 4.34M/s 96KiB 3.95M/s 48KiB 2.68M/s 24KiB 2.91M/s 12KiB 1.99M/s $ sudo ./flashbench --open-au --blocksize=3072 /dev/mmcblk0 --open-au-nr=4 --erasesize=$[3*1024*1024] 3MiB 4.72M/s 1.5MiB 2.66M/s 768KiB 1.23M/s 384KiB 621K/s 192KiB 311K/s

13 years

amazon basics 4GB class10

by Arnd Bergmann

Do not buy this card! This seems to be a Phison controller with identical behavior to the Toshiba ones used in Kingston cards. Essentially all cards that report "0x5048" ("PH" in ascii) or "0x544D" ("TM" in ascii) in /sys/block/mmcblk0/device/oemid are no good and should be avoided. These will be two orders of magnitude slower on random writes than a reasonable model. Arnd ==> /sys/block/mmcblk0/device/block <== ==> /sys/block/mmcblk0/device/cid <== 275048534430344730b005337d00b800 ==> /sys/block/mmcblk0/device/csd <== 400e00325b5900001d7f7f800a400000 ==> /sys/block/mmcblk0/device/date <== 08/2011 ==> /sys/block/mmcblk0/device/driver <== ==> /sys/block/mmcblk0/device/erase_size <== 512 ==> /sys/block/mmcblk0/device/fwrev <== 0x0 ==> /sys/block/mmcblk0/device/hwrev <== 0x3 ==> /sys/block/mmcblk0/device/manfid <== 0x000027 ==> /sys/block/mmcblk0/device/name <== SD04G ==> /sys/block/mmcblk0/device/oemid <== 0x5048 ==> /sys/block/mmcblk0/device/power <== ==> /sys/block/mmcblk0/device/preferred_erase_size <== 4194304 ==> /sys/block/mmcblk0/device/scr <== 0235800001000000 ==> /sys/block/mmcblk0/device/serial <== 0xb005337d ==> /sys/block/mmcblk0/device/subsystem <== ==> /sys/block/mmcblk0/device/type <== SD ==> /sys/block/mmcblk0/device/uevent <== DRIVER=mmcblk MMC_TYPE=SD MMC_NAME=SD04G MODALIAS=mmc:block $ cat /proc/partitions 179 0 3866624 mmcblk0 179 1 3862528 mmcblk0p1 $ factor 3866624 3866624: 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 59 arnd@klappe2:~/git/flashbench$ sudo ./flashbench -a /dev/mmcblk0 --blocksize 1024 align 402653184 pre 1.15ms on 1.46ms post 890µs diff 439µs align 268435456 pre 1.08ms on 1.39ms post 863µs diff 416µs align 201326592 pre 1.08ms on 1.35ms post 849µs diff 390µs align 134217728 pre 1.08ms on 1.38ms post 850µs diff 410µs align 100663296 pre 1.11ms on 1.38ms post 862µs diff 390µs align 67108864 pre 1.09ms on 1.41ms post 859µs diff 430µs align 50331648 pre 1.04ms on 1.4ms post 876µs diff 448µs align 33554432 pre 1.14ms on 1.44ms post 878µs diff 435µs align 25165824 pre 1.09ms on 1.45ms post 874µs diff 464µs align 16777216 pre 1.14ms on 1.46ms post 886µs diff 441µs align 12582912 pre 1.15ms on 1.46ms post 884µs diff 441µs align 8388608 pre 1.12ms on 1.45ms post 892µs diff 446µs align 6291456 pre 757µs on 859µs post 855µs diff 53.4µs align 4194304 pre 1.1ms on 1.45ms post 908µs diff 448µs align 3145728 pre 741µs on 848µs post 837µs diff 59µs align 2097152 pre 748µs on 848µs post 839µs diff 54.9µs align 1572864 pre 747µs on 837µs post 845µs diff 40.7µs align 1048576 pre 789µs on 897µs post 844µs diff 80.4µs align 786432 pre 810µs on 921µs post 900µs diff 65.9µs align 524288 pre 811µs on 905µs post 895µs diff 51.6µs align 393216 pre 812µs on 921µs post 894µs diff 68.8µs align 262144 pre 810µs on 927µs post 900µs diff 71.5µs align 196608 pre 801µs on 919µs post 899µs diff 68.5µs align 131072 pre 808µs on 925µs post 895µs diff 73.9µs align 98304 pre 802µs on 917µs post 890µs diff 71.6µs align 65536 pre 811µs on 916µs post 888µs diff 66.2µs align 49152 pre 812µs on 921µs post 892µs diff 68.3µs align 32768 pre 805µs on 917µs post 895µs diff 66.8µs align 24576 pre 810µs on 919µs post 898µs diff 64.7µs align 16384 pre 809µs on 902µs post 893µs diff 50.5µs align 12288 pre 866µs on 850µs post 849µs diff -7046ns align 8192 pre 813µs on 919µs post 894µs diff 65.1µs align 6144 pre 823µs on 824µs post 829µs diff -1606ns align 4096 pre 866µs on 858µs post 851µs diff -483ns align 3072 pre 878µs on 873µs post 861µs diff 3.27µs align 2048 pre 889µs on 885µs post 878µs diff 1.05µs $ sudo hexdump -C /dev/mmcblk0 00000000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 000001b0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 02 |................| 000001c0 03 01 0b 7d fd be 00 20 00 00 00 e0 75 00 00 00 |...}... ....u...| 000001d0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 000001f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.| 00000200 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 00400000 eb 00 90 20 20 20 20 20 20 20 20 00 02 40 a2 18 |... ..@..| 00400010 02 00 00 00 00 f8 00 00 3f 00 80 00 00 20 00 00 |........?.... ..| 00400020 00 e0 75 00 af 03 00 00 00 00 00 00 02 00 00 00 |..u.............| 00400030 01 00 06 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| 00400040 80 00 29 97 55 7b 4d 00 00 00 00 00 00 00 00 00 |..).U{M.........| 00400050 00 00 46 41 54 33 32 20 20 20 00 00 00 00 00 00 |..FAT32 ......| 00400060 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 004001f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.| 00400200 52 52 61 41 00 00 00 00 00 00 00 00 00 00 00 00 |RRaA............| 00400210 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 004003e0 00 00 00 00 72 72 41 61 ff ff ff ff 02 00 00 00 |....rrAa........| 004003f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.| 00400400 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 004005f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.| 00400600 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 00400c00 eb 00 90 20 20 20 20 20 20 20 20 00 02 40 a2 18 |... ..@..| 00400c10 02 00 00 00 00 f8 00 00 3f 00 80 00 00 20 00 00 |........?.... ..| 00400c20 00 e0 75 00 af 03 00 00 00 00 00 00 02 00 00 00 |..u.............| 00400c30 01 00 06 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| 00400c40 80 00 29 97 55 7b 4d 00 00 00 00 00 00 00 00 00 |..).U{M.........| 00400c50 00 00 46 41 54 33 32 20 20 20 00 00 00 00 00 00 |..FAT32 ......| 00400c60 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 00400df0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.| 00400e00 52 52 61 41 00 00 00 00 00 00 00 00 00 00 00 00 |RRaA............| 00400e10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 00400fe0 00 00 00 00 72 72 41 61 ff ff ff ff 02 00 00 00 |....rrAa........| 00400ff0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.| 00401000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 004011f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.| 00401200 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 00714400 f8 ff ff 0f ff ff ff 0f ff ff ff 0f 00 00 00 00 |................| 00714410 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 0078a200 f8 ff ff 0f ff ff ff 0f ff ff ff 0f 00 00 00 00 |................| 0078a210 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[4*1024*1024] /dev/mmcblk0 --open-au-nr=1 4MiB 9.52M/s 2MiB 1.73M/s 1MiB 2.38M/s 512KiB 1.73M/s 256KiB 1.73M/s 128KiB 3.8M/s 64KiB 9.42M/s 32KiB 7.3M/s 16KiB 5.59M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[4*1024*1024] /dev/mmcblk0 --open-au-nr=2 4MiB 9.52M/s 2MiB 4.49M/s 1MiB 1.79M/s 512KiB 835K/s 256KiB 407K/s 128KiB 201K/s ^Carnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[4*1024*1024] /dev/mmcblk0 --open-au-nr=1 --random 4MiB 3.85M/s 2MiB 1.04M/s 1MiB 860K/s 512KiB 326K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --findfat --fat-nr=6 --erasesize=$[4*1024*1024] /dev/mmcblk0 --random 4MiB 2.83M/s 2.82M/s 3.8M/s 9.46M/s 9.46M/s 9.48M/s 2MiB 2.78M/s 2.78M/s 1.54M/s 1.36M/s 1.36M/s 1.36M/s 1MiB 2.83M/s 2.77M/s 751K/s 732K/s 732K/s 733K/s 512KiB 2.81M/s 2.8M/s 342K/s 435K/s 360K/s 340K/s 256KiB 1.9M/s 1.93M/s 195K/s 195K/s 207K/s 195K/s ^Carnd@klappe2:~/git/flashbench$ sudo ./flashbench --findfat --fat-nr=3 --erasesize=$[4*1024*1024] /dev/mmcblk0 --random 4MiB 2.8M/s 2.77M/s 3.79M/s 2MiB 2.81M/s 2.85M/s 1.54M/s 1MiB 2.76M/s 2.84M/s 983K/s 512KiB 2.8M/s 2.77M/s 362K/s 256KiB 1.94M/s 1.94M/s 201K/s 128KiB 1.36M/s 1.37M/s 160K/s 64KiB 903K/s 905K/s 152K/s 32KiB 486K/s 488K/s 82.7K/s 16KiB 240K/s 240K/s 40.8K/s 4MiB 2.78M/s 2.83M/s 9.23M/s 2MiB 2.8M/s 2.79M/s 9.24M/s 1MiB 2.82M/s 2.75M/s 9.34M/s 512KiB 2.84M/s 2.81M/s 9.25M/s 256KiB 2.83M/s 2.82M/s 9.26M/s 128KiB 2.79M/s 2.85M/s 9.3M/s 64KiB 2.76M/s 2.81M/s 9.17M/s 32KiB 2.5M/s 2.56M/s 7.19M/s 16KiB 2.23M/s 2.05M/s 5.54M/s 8KiB 1.13M/s 1.12M/s 3.38M/s 4KiB 597K/s 593K/s 1.61M/s 2KiB 357K/s 355K/s 852K/s 1KiB 189K/s 191K/s 444K/s 512B 101K/s 102K/s 244K/s

13 years

Full Featured Lists for US Dentists, Nurses, Doctors and Businesses

by cynthia

Here are 4 full featured lists to help you with your email marketing needs. ==> This week choose any list below for just $99 or 3 lists for $199! <== American Business List - 4 million emails in 9,000 SIC categories USA Nurses and Therapists - 135,000 Emails with Full Data USA Full Data Healthcare List - 230,000 emails in 365 Medical Specialties and Businesses US Dentists - 75,000 Emails with both General Dentists and Specialists Reply back for samples and more information. If you prefer not to receive emails from us simply put "quit" in the SUBJECT heading in your reply. Greg Parker Infodatasource

13 years, 1 month

Nurse and Therapist Database: NEW 2012 List!

by cynthia stevenson

Dear Recruiter, We are proud to announce that we now have a new list of Nurses and Therapists for the USA. There are 135,000 total emails on this list with full contact data including email address. The list is BRAND NEW as of this month and you won't find it anywhere else - believe me we've been looking for a long time. As a special promotion we are offering the first dozen copies of this list for just $99 only until Friday. Please reply back for a sample and more details. If you do not wish to receive our mail in the future please put the word "quit" in the subject and reply to this email.

13 years, 1 month

2012 Special Printing Promotion

by 1impress Fungchoi Group

2012 special If you experience issues with the display of this letter, click here to view it in your web browser. Dear Valued Guest: We would like to invite you to come and enjoy our 2012 SPECIAL promotion, where you can find saving on some of our great offers for all your corporate needs. We provide services such as customize of corporate gift, printing and packaging and many other services that you will be able to find on our website www.1impress.com/sg/. At 1impress, we produce innovative and sleek corporate gifts ranging from USB Flash Drives, PC Accessories and Electronic Products.Please visit our E-catalogue now and get new gift ideashttp://www.incentive-gifts.eu/. Kindly speak to our friendly printing consultant now to get the best deal. Ivy TEO Sales Manager Mobile: (65) 9017 2000 Fax: (65) 6358 1059 Email: ivy1(a)1impress.com Download the Contact Info Benefits of Recycle bags:1. 100% Recyclable - Biodegradable & Decomposes 2. Flexible fabric making them easy to fold and store3. Durable and Strong so they can withstand heavy weights 4. Eco Friendly Benefits of USBs: 1. Perfect Branding tools for your products/service2. Corporate Gifts for your client3. Easy to carry and it will be used often in private and public by your clients Benefits of Tissue Pack: 1. Effective branding tool, which is at the same time functional. 2. Fully customized printing 3. Cost effective marketing solution Benefits of Plastic Folder: 1. Cost effective marketing tool 2. Large printing area3. Can be fully customized Ivy TEO Sales Manager Mobile: (65) 9017 2000 Fax: (65) 6358 1059Email: ivy_teo(a)1impress.com Download the Contact Info 1impress is a global printing and corporate gift company, Please Download 1impress's Corporate Profile. 1impress Fungchoi Group (Pte) Limited Address: 998 Toa Payoh North Industrial Estate #02-05 Singapore 318993Tel: (65) 6777 7377 / 1800-4677377

13 years, 2 months

Results for a Samsung 32Gb SDHC Class10

by Santiago Castillo Oli

Hi flashbench-results. I'm trying to get the most from a Samsung 32Gb SDHC Class10 card. I've run a flashbench (compiled for x86) on a Asus Eee PC 901. I'm posting the results as an attached file to this message. I guess the page size is 16Kb, but not sure about erase block. What do you think? Strangely the 4 Mb boundary is faster than bigger boundaries. Regards -- ________________________________________________ Santiago Castillo Oli scastillo(a)aragon.es Técnico de sistemas 976 71 50 06 Biblioteca de Aragón

13 years, 2 months

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