- Flashbench-results - lists.linaro.org

by Arnd Bergmann

Disk /dev/sdc: 8 GB, 8195604480 bytes 16 heads, 63 sectors/track, 15880 cylinders, total 16007040 sectors Units = sectors of 1 * 512 = 512 bytes Device Boot Start End Blocks Id System /dev/sdc1 256 19839 10048 83 Linux Warning: Partition 1 does not end on cylinder boundary. /dev/sdc2 19840 996479 488376 83 Linux Warning: Partition 2 does not end on cylinder boundary. /dev/sdc3 996480 1973119 488376 83 Linux Warning: Partition 3 does not end on cylinder boundary. /dev/sdc4 1973120 16007039 7016688 5 Extended /dev/sdc5 1974672 15697583 6860952 83 Linux Warning: Partition 5 does not end on cylinder boundary. /dev/sdc6 15697647 16007039 154224 83 Linux Warning: Partition 6 does not end on cylinder boundary. align 536870912 pre 481µs on 481µs post 484µs diff -1367ns align 268435456 pre 479µs on 480µs post 480µs diff 244ns align 134217728 pre 483µs on 483µs post 484µs diff -375ns align 67108864 pre 478µs on 481µs post 479µs diff 2.88µs align 33554432 pre 481µs on 483µs post 482µs diff 1.18µs align 16777216 pre 480µs on 484µs post 480µs diff 3.4µs align 8388608 pre 479µs on 478µs post 477µs diff -144ns align 4194304 pre 482µs on 482µs post 478µs diff 1.98µs align 2097152 pre 484µs on 486µs post 486µs diff 674ns align 1048576 pre 489µs on 489µs post 490µs diff -893ns align 524288 pre 487µs on 491µs post 490µs diff 2.52µs align 262144 pre 484µs on 486µs post 486µs diff 878ns align 131072 pre 477µs on 477µs post 479µs diff -489ns align 65536 pre 485µs on 490µs post 489µs diff 3.58µs align 32768 pre 487µs on 489µs post 490µs diff 544ns align 16384 pre 479µs on 486µs post 487µs diff 2.38µs align 8192 pre 477µs on 478µs post 479µs diff 75ns align 4096 pre 484µs on 484µs post 486µs diff -912ns align 2048 pre 477µs on 479µs post 479µs diff 844ns arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdc6 --open-au --erasesize=524288 --open-au-nr=4 --random --blocksize=512 512KiB 15.6M/s 256KiB 15.6M/s 128KiB 15.4M/s 64KiB 15.3M/s 32KiB 14.8M/s 16KiB 14M/s 8KiB 12.7M/s 4KiB 8.04M/s 2KiB 4.23M/s 1KiB 2.7M/s 512B 1.33M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdc6 --open-au --erasesize=524288 --open-au-nr=5 --random --blocksize=512 512KiB 15.5M/s 256KiB 8.61M/s 128KiB 5.96M/s 64KiB 2.74M/s 32KiB 1.34M/s 16KiB 669K/s 8KiB 339K/s 4KiB 169K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdc6 --open-au --erasesize=524288 --open-au-nr=4 --blocksize=512 512KiB 15.7M/s 256KiB 15.8M/s 128KiB 15.6M/s 64KiB 15.5M/s 32KiB 14.8M/s 16KiB 14M/s 8KiB 12.6M/s 4KiB 8.03M/s 2KiB 4.22M/s 1KiB 2.71M/s 512B 1.36M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdc6 --open-au --erasesize=524288 --open-au-nr=5 --blocksize=512 512KiB 14.5M/s 256KiB 9.09M/s 128KiB 5.04M/s 64KiB 3.03M/s 32KiB 1.38M/s 16KiB 689K/s 8KiB 350K/s 4KiB 174K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdc --blocksize=512 --erasesize=$[512*1024] --findfat --fat-nr=6 512KiB 16.2M/s 15.8M/s 15.5M/s 15.8M/s 16.4M/s 15.8M/s 256KiB 15.6M/s 15.5M/s 15.5M/s 16.1M/s 16.1M/s 15.8M/s 128KiB 15.6M/s 15.5M/s 15.5M/s 15.3M/s 15.4M/s 15.4M/s 64KiB 16M/s 15.3M/s 15.1M/s 15.9M/s 15.3M/s 15.2M/s 32KiB 15.1M/s 14.9M/s 14.8M/s 14.9M/s 15.3M/s 14.9M/s 16KiB 14M/s 14M/s 14M/s 14M/s 14M/s 14M/s 8KiB 12.5M/s 12.7M/s 12.7M/s 12.6M/s 12.7M/s 12.7M/s 4KiB 7.93M/s 8.02M/s 8.03M/s 8.02M/s 8.02M/s 8.03M/s 2KiB 4.07M/s 4.16M/s 4.17M/s 4.11M/s 4.16M/s 4.13M/s 1KiB 2.68M/s 2.71M/s 2.71M/s 2.71M/s 2.71M/s 2.71M/s 512B 1.35M/s 1.36M/s 1.36M/s 1.36M/s 1.33M/s 1.34M/s

14 years, 6 months

1
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GPS + WIFI Phone

by Picasa Web Albums

Dear friend, Good day! Our company is mainly in the OEM and ODM business with all kinds of mobile phone. The hotsales item A3Q: 2 Cards / 3.5 inch screen / Android 2.2 System If you need the detail requirement, please kindly contact us. Best wishes Juce Mobile:0086-13424432252 Tel: 0086-0755-85282599 Fax: 0086-0755-81752355 E-mail: elink(a)vip.188.com Websize: www.oemmobile.com Factory Address: 5/F, Building 21, ChenTian Industrial Park, Shenzhen, GuangDong Province, China

14 years, 6 months

1
0
0 0

Don't wast you time on B2B, this is the best supplier for mobile phone

by Picasa Web Albums

Dear friend, Good day! Our company is mainly in the OEM and ODM business with all kinds of mobile phone. The hotsales item A3Q: 2 Cards / 3.5 inch screen / Android 2.2 System If you need the detail requirement, please kindly contact us. Best wishes Juce Mobile:0086-13424432252 Tel: 0086-0755-85282599 Fax: 0086-0755-81752355 E-mail: elink(a)vip.188.com Websize: www.oemmobile.com Factory Address: 5/F, Building 21, ChenTian Industrial Park, Shenzhen, GuangDong Province, China

14 years, 6 months

1
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Sandisk Cruzer Blade 8GB USB

by Arnd Bergmann

Bus 002 Device 002: ID 0781:5567 SanDisk Corp. Cruszer Blade Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 0 (Defined at Interface level) bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 64 idVendor 0x0781 SanDisk Corp. idProduct 0x5567 Cruszer Blade bcdDevice 1.00 iManufacturer 1 iProduct 2 iSerial 3 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 32 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0x80 (Bus Powered) MaxPower 200mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 2 bInterfaceClass 8 Mass Storage bInterfaceSubClass 6 SCSI bInterfaceProtocol 80 Bulk (Zip) iInterface 0 arnd@klappe2:~$ sudo sdparm -v /dev/sdc /dev/sdc: SanDisk Cruzer Blade 1.00 >> Read write error recovery mode page [0x1] not found >> Caching (SBC) mode page [0x8] not found >> Control mode page [0xa] not found >> Informational exceptions control mode page [0x1c] failed Disk /dev/sdc: 8000 MB, 8000110592 bytes 160 heads, 19 sectors/track, 5139 cylinders, total 15625216 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 32 15625215 7812592 b W95 FAT32 sudo ./flashbench -a /dev/sdc --blocksize=1024 align 25165824 pre 685µs on 1.05ms post 682µs diff 363µs align 16777216 pre 735µs on 892µs post 746µs diff 151µs align 12582912 pre 696µs on 1.06ms post 697µs diff 360µs align 8388608 pre 694µs on 809µs post 696µs diff 113µs align 6291456 pre 717µs on 1.08ms post 697µs diff 376µs align 4194304 pre 710µs on 858µs post 714µs diff 146µs align 3145728 pre 721µs on 848µs post 705µs diff 136µs align 2097152 pre 720µs on 858µs post 717µs diff 139µs align 1572864 pre 720µs on 733µs post 710µs diff 18.1µs align 1048576 pre 707µs on 846µs post 710µs diff 137µs align 786432 pre 719µs on 732µs post 710µs diff 17.1µs align 524288 pre 708µs on 722µs post 722µs diff 7µs align 393216 pre 720µs on 735µs post 710µs diff 20.3µs align 262144 pre 708µs on 722µs post 710µs diff 12.7µs align 196608 pre 710µs on 735µs post 710µs diff 25.1µs align 131072 pre 710µs on 722µs post 722µs diff 5.96µs align 98304 pre 710µs on 735µs post 709µs diff 25.6µs align 65536 pre 707µs on 722µs post 722µs diff 7.49µs # Trying 4 MB erase blocks -> 2 arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[4*1024*1024] /dev/sdc --blocksize=4096 --open-au-nr=1 4MiB 17.6M/s 2MiB 18M/s 1MiB 18M/s 512KiB 18.1M/s 256KiB 17.8M/s 128KiB 17.7M/s 64KiB 16M/s 32KiB 15.5M/s 16KiB 13.4M/s 8KiB 8.82M/s 4KiB 3.14M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[4*1024*1024] /dev/sdc --blocksize=4096 --open-au-nr=2 4MiB 7.39M/s 2MiB 18M/s 1MiB 18M/s 512KiB 18M/s 256KiB 17.8M/s 128KiB 17.8M/s 64KiB 16M/s 32KiB 16.5M/s 16KiB 13.6M/s 8KiB 8.73M/s 4KiB 3.15M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[4*1024*1024] /dev/sdc --blocksize=4096 --open-au-nr=3 4MiB 3.55M/s 2MiB 4.13M/s 1MiB 3.93M/s 512KiB 4.23M/s 256KiB 3.9M/s 128KiB 3.48M/s 64KiB 4.79M/s 32KiB 3.98M/s 16KiB 3.18M/s 8KiB 3.87M/s 4KiB 2.12M/s # trying 2 MB erase blocks -> 5 arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[2*1024*1024] /dev/sdc --blocksize=4096 --open-au-nr=5 2MiB 8.89M/s 1MiB 18.1M/s 512KiB 18.2M/s 256KiB 17.9M/s 128KiB 18M/s 64KiB 16.3M/s 32KiB 16.8M/s 16KiB 13.7M/s 8KiB 8.8M/s 4KiB 3.07M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[2*1024*1024] /dev/sdc --blocksize=4096 --open-au-nr=6 2MiB 3.21M/s 1MiB 4.81M/s 512KiB 4.03M/s 256KiB 4.18M/s 128KiB 3.85M/s 64KiB 3.84M/s 32KiB 4.15M/s 16KiB 3.78M/s 8KiB 3.08M/s 4KiB 1.84M/s # trying 1 MB erase blocks -> 10 arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[1*1024*1024] /dev/sdc --blocksize=4096 --open-au-nr=10 1MiB 4.28M/s 512KiB 9.07M/s 256KiB 17.9M/s 128KiB 17.8M/s 64KiB 16.2M/s 32KiB 16.8M/s 16KiB 13.7M/s 8KiB 8.75M/s 4KiB 2.88M/s 2KiB 1.36M/s 1KiB 656K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[1*1024*1024] /dev/sdc --blocksize=4096 --open-au-nr=11 1MiB 1.93M/s 512KiB 718K/s 256KiB 346K/s # trying 512 KB erase blocks -> 10 arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[512*1024] /dev/sdc --blocksize=4096 --open-au-nr=10 512KiB 17.6M/s 256KiB 17.6M/s 128KiB 17.7M/s 64KiB 15.9M/s 32KiB 16.6M/s 16KiB 13.4M/s 8KiB 8.59M/s 4KiB 3.01M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[512*1024] /dev/sdc --blocksize=4096 --open-au-nr=11 512KiB 979K/s 256KiB 349K/s ^C # Trying random access: arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[1*1024*1024] /dev/sdc --blocksize=4096 --open-au-nr=1 --random 1MiB 14.2M/s 512KiB 17.9M/s 256KiB 17.5M/s 128KiB 4.9M/s 64KiB 1.62M/s 32KiB 888K/s 16KiB 514K/s 8KiB 1.55M/s 4KiB 1.66M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[1*1024*1024] /dev/sdc --blocksize=4096 --open-au-nr=10 --random 1MiB 17.9M/s 512KiB 18.1M/s 256KiB 17.4M/s 128KiB 4.94M/s 64KiB 1.61M/s 32KiB 894K/s 16KiB 515K/s 8KiB 1.5M/s 4KiB 1.57M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[1*1024*1024] /dev/sdc --blocksize=4096 --open-au-nr=11 --random 1MiB 1.61M/s 512KiB 714K/s 256KiB 343K/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[3*1024*1024] /dev/sdc --blocksize=$[3*1024*1024] --open-au-nr=20 --offset=$[21 * 1024*1024] 3MiB 4.87M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[2*1024*1024] /dev/sdc --blocksize=$[2*1024*1024] --open-au-nr=20 --offset=$[24 * 1024*1024] 2MiB 2.96M/s

14 years, 6 months

1
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STEC M2+ CF 9.0.2 SLCF16M2PU

by Arnd Bergmann

arnd@klappe2:~/git/flashbench$ sudo hdparm -I /dev/sdc /dev/sdc: HDIO_DRIVE_CMD(identify) failed: Invalid exchange arnd@klappe2:~/git/flashbench$ sudo hdparm -I /dev/sdg /dev/sdg: CompactFlash ATA device Model Number: STEC M2+ CF 9.0.2 Serial Number: STIM2MT410135051121 Firmware Revision: K1169-2 Standards: Supported: 6 5 4 Likely used: 6 Configuration: Logical max current cylinders 16383 30681 heads 16 16 sectors/track 63 63 -- CHS current addressable sectors: 30926448 LBA user addressable sectors: 30926448 Logical/Physical Sector size: 512 bytes device size with M = 1024*1024: 15100 MBytes device size with M = 1000*1000: 15834 MBytes (15 GB) cache/buffer size = unknown Capabilities: LBA, IORDY(cannot be disabled) Standby timer values: spec'd by Standard R/W multiple sector transfer: Max = 1 Current = 1 DMA: mdma0 mdma1 *mdma2 udma0 udma1 udma2 udma3 udma4 Cycle time: min=120ns recommended=120ns PIO: pio0 pio1 pio2 pio3 pio4 Cycle time: no flow control=120ns IORDY flow control=120ns Commands/features: Enabled Supported: Security Mode feature set * Power Management feature set * Host Protected Area feature set * WRITE_BUFFER command * READ_BUFFER command * NOP cmd * CFA feature set CFA max advanced io_udma cycle time: 80ns CFA max advanced mem_udma cycle time: 80ns * CFA advanced modes: pio5 *pio6 mdma3 *mdma4 io_udma4 io_udma5 *io_udma6 io_udma7 io_udma8 mem_udma4 mem_udma5 *mem_udma6 mem_udma7 mem_udma8 Security: Master password revision code = 65534 supported not enabled not locked not frozen not expired: security count not supported: enhanced erase Integrity word not set (found 0x0000, expected 0x80a5) Disk /dev/sdg: 15.8 GB, 15834341376 bytes 255 heads, 63 sectors/track, 1925 cylinders, total 30926448 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: 0x000bd02f Device Boot Start End Blocks Id System /dev/sdg1 2048 30924799 15461376 83 Linux ==> card_id <== 0x0000 ==> func_id <== 0x04 ==> function <== 0x00 ==> manf_id <== 0x0000 ==> modalias <== pcmcia:m0000c0000f04fn00pfn00paC709C891pbFE591B16pc00000000pd00000000 ==> prod_id1 <== STEC M2+ CF 9.0.2 ==> prod_id2 <== M2P # Cannot tell erase block size: align 805306368 pre 737µs on 781µs post 737µs diff 43.4µs align 536870912 pre 725µs on 729µs post 725µs diff 3.52µs align 402653184 pre 738µs on 752µs post 725µs diff 20.7µs align 268435456 pre 738µs on 808µs post 753µs diff 62.4µs align 201326592 pre 737µs on 813µs post 754µs diff 67.6µs align 134217728 pre 726µs on 765µs post 739µs diff 32.9µs align 100663296 pre 724µs on 761µs post 739µs diff 29.9µs align 67108864 pre 722µs on 775µs post 736µs diff 45.2µs align 50331648 pre 721µs on 764µs post 752µs diff 27.1µs align 33554432 pre 734µs on 790µs post 750µs diff 47.5µs align 25165824 pre 740µs on 790µs post 748µs diff 46.3µs align 16777216 pre 722µs on 765µs post 744µs diff 31.8µs align 12582912 pre 728µs on 767µs post 736µs diff 35.4µs align 8388608 pre 731µs on 779µs post 737µs diff 44.7µs align 6291456 pre 760µs on 805µs post 761µs diff 43.7µs align 4194304 pre 752µs on 816µs post 753µs diff 63.8µs align 3145728 pre 730µs on 789µs post 750µs diff 49.1µs align 2097152 pre 715µs on 754µs post 737µs diff 28µs align 1572864 pre 729µs on 849µs post 805µs diff 82.9µs align 1048576 pre 732µs on 941µs post 894µs diff 128µs align 786432 pre 736µs on 912µs post 830µs diff 129µs align 524288 pre 724µs on 890µs post 818µs diff 119µs align 393216 pre 722µs on 867µs post 806µs diff 103µs align 262144 pre 723µs on 847µs post 792µs diff 89.3µs align 196608 pre 726µs on 827µs post 767µs diff 80.6µs align 131072 pre 724µs on 803µs post 759µs diff 62µs align 98304 pre 723µs on 802µs post 763µs diff 58.4µs align 65536 pre 724µs on 814µs post 764µs diff 70.6µs align 49152 pre 728µs on 802µs post 765µs diff 56µs align 32768 pre 724µs on 802µs post 764µs diff 58µs align 24576 pre 726µs on 803µs post 766µs diff 57.2µs align 16384 pre 726µs on 805µs post 761µs diff 61.5µs align 12288 pre 765µs on 801µs post 726µs diff 55.4µs align 8192 pre 725µs on 805µs post 765µs diff 60.4µs # no random access: arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/sdc -b 1024 --erasesize=1048576 --random --open-au-nr=1 1MiB 10.4M/s 512KiB 1.36M/s 256KiB 1.66M/s 128KiB 1.36M/s 64KiB 813K/s 32KiB 448K/s 16KiB 305K/s 8KiB 298K/s 4KiB 177K/s # erase blocks don't really match arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/sdc -b 1024 --erasesize=1048576 --open-au-nr=1 1MiB 7.51M/s 512KiB 2.13M/s 256KiB 4.12M/s 128KiB 6.73M/s 64KiB 7.38M/s 32KiB 7.17M/s 16KiB 5.9M/s 8KiB 4.82M/s 4KiB 3.25M/s 2KiB 2.37M/s 1KiB 1.66M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/sdc -b 1024 --erasesize=2097152 --open-au-nr=1 2MiB 10.9M/s 1MiB 4.56M/s 512KiB 3.82M/s 256KiB 6.8M/s 128KiB 10M/s 64KiB 10.7M/s 32KiB 10.1M/s 16KiB 8.33M/s 8KiB 6.61M/s 4KiB 4.21M/s 2KiB 3M/s 1KiB 1.9M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/sdc -b 1024 --erasesize=4194304 --open-au-nr=1 4MiB 13.7M/s 2MiB 7.41M/s 1MiB 7.5M/s 512KiB 6.54M/s 256KiB 10M/s 128KiB 12.9M/s 64KiB 14M/s 32KiB 12.9M/s 16KiB 10.5M/s 8KiB 7.77M/s 4KiB 5.12M/s 2KiB 3.32M/s 1KiB 2.02M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/sdc -b 1024 --erasesize=2097152 --open-au-nr=2 2MiB 11.3M/s 1MiB 7.37M/s 512KiB 4.53M/s 256KiB 2.56M/s 128KiB 1.37M/s 64KiB 737K/s 32KiB 377K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/sdc -b 1024 --erasesize=2097152 --open-au-nr=4 2MiB 10.9M/s 1MiB 7.39M/s 512KiB 4.54M/s 256KiB 2.55M/s 128KiB 1.4M/s 64KiB 735K/s 32KiB 376K/s # Linear writing is ok arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --blocksize=1024 --erasesize=2097152 --findfat --fat-nr=6 2MiB 14.2M/s 19M/s 18.8M/s 19M/s 18.8M/s 18.9M/s 1MiB 6.04M/s 19M/s 18.9M/s 18.7M/s 18.9M/s 19.5M/s 512KiB 4.8M/s 18.7M/s 18.9M/s 18.8M/s 18.5M/s 18.7M/s 256KiB 7.52M/s 19.1M/s 19.2M/s 18.5M/s 18.4M/s 18.4M/s 128KiB 12.2M/s 18M/s 17.8M/s 17.4M/s 18M/s 18.1M/s 64KiB 12.5M/s 18.6M/s 18.3M/s 18.4M/s 18.3M/s 18.3M/s 32KiB 11.8M/s 16.7M/s 16.8M/s 16.8M/s 16.9M/s 16.7M/s 16KiB 9.86M/s 13.5M/s 13.6M/s 13.5M/s 13.5M/s 13.3M/s 8KiB 7.61M/s 9.4M/s 9.4M/s 9.42M/s 9.39M/s 9.22M/s 4KiB 5.47M/s 6.24M/s 6.05M/s 6.32M/s 6.17M/s 6.27M/s 2KiB 3.56M/s 3.78M/s 3.74M/s 3.72M/s 3.63M/s 3.67M/s 1KiB 1.9M/s 2.21M/s 2.23M/s 2.23M/s 2.22M/s 2.21M/s ################## # Further low-level testing revealed 992 KiB erase blocks, which gives us good performance: arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --erasesize=$[512 * 1024] --blocksize=512 --open-au --open-au-nr=1 512KiB 20.2M/s 256KiB 3.77M/s 128KiB 16.8M/s 64KiB 18.5M/s 32KiB 16.5M/s 16KiB 12.9M/s 8KiB 9.23M/s 4KiB 6.39M/s 2KiB 3.23M/s 1KiB 1.6M/s 512B 812K/s # The same with 2 open erase blocks does not work at all: arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --erasesize=$[512 * 1024] --blocksize=512 --open-au --open-au-nr=2 512KiB 2.83M/s 256KiB 1.99M/s 128KiB 1.43M/s 64KiB 763K/s 32KiB 376K/s 16KiB 293K/s 8KiB 282K/s 4KiB 184K/s 2KiB 102K/s 1KiB 85.9K/s 512B 75K/s # nor does random access: arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --erasesize=$[512 * 1024] --blocksize=512 --open-au --open-au-nr=1 --random 512KiB 19.4M/s 256KiB 1.73M/s 128KiB 2.49M/s 64KiB 1.22M/s 32KiB 670K/s 16KiB 390K/s 8KiB 318K/s 4KiB 194K/s 2KiB 119K/s 1KiB 95K/s 512B 78.6K/s

14 years, 6 months

1
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Better Air Price to Brazil BSI SAM EIGHT

by Sam Peng / BSI-SZX

Dear Sir & Madam, Have a nice day ! This is Sam Peng from BSI (BEST SERVICES INT'L FREIGHT LTD) in China.we are as agent of Lufthansa Cargo / LH ; Lan Chile / LAN ; Bringer Air Cargo / E6 in China. We specialize in Air freight / Sea shipping to Brazil in China. It's my pleasure to send the the below air price for your reference. Shenzhen / Guangzhou / Dongguan ; China to San Paulo ; Brazil : ***we can help you to pick up the goods from any city in China to Brazil*** Our Promise: -- Closely keep in touch with you & Supplier. -- Keep working with you in the same time as you to know all update information for your order in time. -- Combine the shipment from different supplier and make the combine packing list & commercial invoice to one set original document -- Assist you to check new supplier's company credit. -- Ensure Cargo to be loaded at the soonest. -- Ensure to provide best logsitics project to save your purchase cost. -- Keep update the cargo tracking information for you. Our Certifications: -- IATA: International Air Transport Association. -- NVOCC: Non Vessel Operating Common Carrier. -- WCA: Member of World Cargo Alliance. -- CATA: China Civil Air Transport Sales (Class A) Agency Services. I expect you to try our services for your air cargo to Brazil. I'm sure that our sincerely services can make you feel satisfied.Please don't hesitate to contact with me in any time. B. regards! Sam Peng Sales Dept BEST SERVICES INTERNATIONAL FREIGHT LTD Rm.B13-19, 10/F, Regalia Place, Jiabin Rd, Shenzhen, China. Tel : 86-755-25904212 Fax : 86-755-25901937 / 25901911 Cell Phone : +86-13760303532 E-mail : sales4.szx(a)bsigroup.cc MSN : sampeng8210(a)hotmail.com Skype : sampeng821007 Website: http://www.bestservices.com.cn IATA: 08-3 1624 CATA: ZN30165 FMC: 022856 NVOCC: MOC-NV03395 BSI Own Offices: Shenzhen, Hong Kong, Guangzhou, Zhongshan, Jiangmen, Dongguan, Xiamen, Ningbo, Shanghai, Beijing, Tianjin, Qingdao, Zhengzhou. BSI representative offices: Zhuhai, Shantou, Foshan, Changsha, Nanchang, Fuzhou, Hangzhou, Nanjing, Wuhan, Dalian, Yantai, Lianyungang, Kunming, Chongqing, Chendu and others. All transactions are subject to the Company's Standard Trading Conditions ( copy is available upon request ), which in certain circumstances limit or exempt the Company's liability.

14 years, 6 months

1
0
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XCeedCF "SMART CF" (20080820), SMI233

by Arnd Bergmann

arnd@klappe2:~/linux-2.6$ sudo fdisk -lu /dev/sdg Disk /dev/sdg: 16.0 GB, 16039018496 bytes 255 heads, 63 sectors/track, 1949 cylinders, total 31326208 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/sdg1 * 63 31326207 15663072+ c W95 FAT32 (LBA) arnd@klappe2:~/linux-2.6$ sudo hdparm -I /dev/sdg /dev/sdg: CompactFlash ATA device Model Number: SMART CF Serial Number: 2010052503008EDA8EDA Firmware Revision: 20080820 Standards: Supported: 4 Likely used: 6 Configuration: Logical max current cylinders 16383 16383 heads 15 15 sectors/track 63 63 -- CHS current addressable sectors: 15481935 LBA user addressable sectors: 31326208 Logical/Physical Sector size: 512 bytes device size with M = 1024*1024: 15296 MBytes device size with M = 1000*1000: 16039 MBytes (16 GB) cache/buffer size = 1 KBytes (type=DualPort) Capabilities: LBA, IORDY(may be)(cannot be disabled) Standby timer values: spec'd by Vendor R/W multiple sector transfer: Max = 1 Current = 0 Advanced power management level: disabled DMA: not supported PIO: pio0 pio1 pio2 pio3 pio4 Cycle time: no flow control=120ns IORDY flow control=120ns Commands/features: Enabled Supported: SMART feature set Security Mode feature set Power Management feature set WRITE_BUFFER command READ_BUFFER command NOP cmd CFA feature set Advanced Power Management feature set SMART error logging * SMART self-test CFA max advanced io_udma cycle time: 80ns CFA max advanced mem_udma cycle time: 80ns * CFA advanced modes: pio5 *pio6 mdma3 mdma4 *io_udma4 io_udma5 io_udma6 io_udma7 io_udma8 io_udma9 *mem_udma4 mem_udma5 mem_udma6 mem_udma7 mem_udma8 mem_udma9 * CFA Power Level 1 (max 500mA) Security: Master password revision code = 65534 supported not enabled not locked not frozen not expired: security count not supported: enhanced erase 2min for SECURITY ERASE UNIT. HW reset results: CBLID- above Vih Device num = 1 Integrity word not set (found 0x0000, expected 0x1da5) arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/sdc -b 1024 --erasesize=1048576 1MiB 10.8M/s 512KiB 9.21M/s 256KiB 11.2M/s 128KiB 11.1M/s 64KiB 10.9M/s 32KiB 9.63M/s 16KiB 6.66M/s 8KiB 4.63M/s 4KiB 2.04M/s 2KiB 1.82M/s 1KiB 970K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/sdc -b 1024 --erasesize=2097152 2MiB 12.7M/s 1MiB 15.5M/s 512KiB 15M/s 256KiB 17.1M/s 128KiB 15.9M/s 64KiB 16.7M/s 32KiB 15.1M/s 16KiB 11.7M/s 8KiB 6.72M/s 4KiB 3.82M/s 2KiB 2.03M/s 1KiB 1.03M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/sdc -b 1024 --erasesize=4194304 4MiB 17.2M/s 2MiB 17.3M/s 1MiB 17.4M/s 512KiB 17.4M/s 256KiB 16.8M/s 128KiB 16M/s 64KiB 17.1M/s 32KiB 14.8M/s 16KiB 11.8M/s 8KiB 6.96M/s 4KiB 3.77M/s 2KiB 2.02M/s 1KiB 1.03M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/sdc -b 1024 --erasesize=4194304 --random 4MiB 17.4M/s 2MiB 17.2M/s 1MiB 15.5M/s 512KiB 12.8M/s 256KiB 10.5M/s 128KiB 11.9M/s 64KiB 7.63M/s 32KiB 7.96M/s 16KiB 7.55M/s 8KiB 3.36M/s 4KiB 1.83M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/sdc -b 1024 --erasesize=4194304 --random --open-au-nr=3 4MiB 14.9M/s 2MiB 14.8M/s 1MiB 11.3M/s 512KiB 11.8M/s 256KiB 8.63M/s 128KiB 5.46M/s 64KiB 3.78M/s 32KiB 2.2M/s 16KiB 1.15M/s ^C # Assuming 2 MB erase blocks, the card can open 4 of them: arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/sdc -b 1024 --erasesize=2097152 --random --open-au-nr=3 2MiB 14.6M/s 1MiB 13.2M/s 512KiB 11.2M/s 256KiB 8.48M/s 128KiB 10.3M/s 64KiB 10.8M/s 32KiB 7.65M/s 16KiB 6.68M/s 8KiB 2.99M/s 4KiB 1.78M/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/sdc -b 1024 --erasesize=2097152 --random --open-au-nr=4 2MiB 13.5M/s 1MiB 13.5M/s 512KiB 13.7M/s 256KiB 9.41M/s 128KiB 11.5M/s 64KiB 10.2M/s 32KiB 7.41M/s 16KiB 6.49M/s 8KiB 3.22M/s 4KiB 1.71M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/sdc -b 1024 --erasesize=2097152 --random --open-au-nr=5 2MiB 13.1M/s 1MiB 14M/s 512KiB 11.8M/s 256KiB 8.4M/s 128KiB 6.77M/s 64KiB 4.66M/s 32KiB 2.81M/s 16KiB 1.46M/s # Not 1 MB erase blocks: arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/sdc -b 1024 --erasesize=1048576 --random --open-au-nr=4 1MiB 13M/s 512KiB 10.4M/s 256KiB 11.7M/s 128KiB 11.2M/s 64KiB 8.9M/s 32KiB 8.34M/s 16KiB 6.22M/s 8KiB 3.23M/s 4KiB 1.76M/s 2KiB 884K/s 1KiB 452K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/sdc -b 1024 --erasesize=1048576 --random --open-au-nr=5 1MiB 12.5M/s 512KiB 10.4M/s 256KiB 10.7M/s 128KiB 6.76M/s 64KiB 5M/s 32KiB 2.77M/s 16KiB 1.48M/s 8KiB 751K/s 4KiB 381K/s 2KiB 189K/s 1KiB 85.4K/s # Something terribly wrong here: arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/sdc -b 1024 --erasesize=2097152 --open-au-nr=4 2MiB 9.72M/s 1MiB 11.1M/s 512KiB 11M/s 256KiB 13.8M/s 128KiB 14.1M/s 64KiB 14.1M/s 32KiB 5.14M/s 16KiB 318K/s 8KiB 158K/s 4KiB 78.9K/s # Repeat: arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/sdc -b 1024 --erasesize=2097152 --open-au-nr=4 2MiB 17.7M/s 1MiB 14.2M/s 512KiB 8.32M/s 256KiB 4.42M/s 128KiB 2.37M/s 64KiB 1.25M/s 32KiB 634K/s # But works with up to three erase blocks: arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/sdc -b 1024 --erasesize=2097152 --open-au-nr=2 2MiB 17.6M/s 1MiB 17.4M/s 512KiB 17.3M/s 256KiB 16.9M/s 128KiB 15.6M/s 64KiB 17.1M/s 32KiB 15.1M/s 16KiB 11.9M/s 8KiB 7.08M/s 4KiB 3.76M/s 2KiB 2.05M/s 1KiB 1.04M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/sdc -b 1024 --erasesize=2097152 --open-au-nr=3 2MiB 17.4M/s 1MiB 15.9M/s 512KiB 17.3M/s 256KiB 17M/s 128KiB 16.2M/s 64KiB 17.1M/s 32KiB 15M/s 16KiB 9.25M/s 8KiB 6.95M/s 4KiB 3.86M/s 2KiB 2.03M/s 1KiB 1.04M/s # offset does not hurt for random access: arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/sdc -b 1024 --erasesize=2097152 --open-au-nr=2 --random --offset=$[16*1024*1024 + 512] 2MiB 11.4M/s 1MiB 11.4M/s 512KiB 8.72M/s 256KiB 9.65M/s 128KiB 9.03M/s 64KiB 8.07M/s 32KiB 6.73M/s 16KiB 3.64M/s 8KiB 2.32M/s 4KiB 1.36M/s 2KiB 648K/s 1KiB 341K/s # No special FAT area: arnd@klappe2:~/git/flashbench$ sudo ./flashbench /dev/sdc --blocksize=1024 --erasesize=2097152 --findfat --fat-nr=6 --random 2MiB 9.26M/s 17.6M/s 17.5M/s 17.2M/s 17.3M/s 17.4M/s 1MiB 11.8M/s 10.6M/s 8.42M/s 8.54M/s 8.29M/s 5.93M/s 512KiB 7.5M/s 9.64M/s 9.58M/s 9.65M/s 9.68M/s 9.59M/s 256KiB 7.3M/s 6.46M/s 6.4M/s 6.42M/s 6.42M/s 6.43M/s 128KiB 7.09M/s 7.04M/s 7.09M/s 7.1M/s 7.11M/s 7.12M/s 64KiB 7.4M/s 7.28M/s 7.46M/s 7.41M/s 7.35M/s 7.41M/s 32KiB 5.83M/s 5.83M/s 5.76M/s 5.82M/s 5.84M/s 5.52M/s 16KiB 4.47M/s 4.43M/s 4.26M/s 4.47M/s 4.47M/s 4.43M/s 8KiB 2.8M/s 2.8M/s 2.78M/s 2.79M/s 2.8M/s 2.78M/s 4KiB 1.4M/s 1.41M/s 1.36M/s 1.4M/s 1.4M/s 1.41M/s 2KiB 698K/s 704K/s 701K/s 703K/s 697K/s 703K/s

14 years, 6 months

1
0
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Silicon Systems CF Card 2 GB

by Arnd Bergmann

# sudo fdisk /dev/sdc -lu Disk /dev/sdc: 2 GB, 2097446400 bytes 255 heads, 63 sectors/track, 255 cylinders, total 4096575 sectors Units = sectors of 1 * 512 = 512 bytes Device Boot Start End Blocks Id System /dev/sdc1 * 63 144584 72261 e FAT16 LBA /dev/sdc2 144585 4096574 1967962 83 Linux $ sudo ./flashbench -a /dev/sdc --blocksize=1024 --count=100 align 268435456 pre 611µs on 687µs post 608µs diff 77.3µs align 134217728 pre 598µs on 695µs post 597µs diff 97.8µs align 67108864 pre 601µs on 605µs post 601µs diff 4.26µs align 33554432 pre 598µs on 607µs post 602µs diff 7.52µs align 16777216 pre 600µs on 604µs post 603µs diff 3.1µs align 8388608 pre 603µs on 609µs post 606µs diff 4.29µs align 4194304 pre 589µs on 593µs post 591µs diff 3.13µs align 2097152 pre 593µs on 596µs post 591µs diff 3.28µs align 1048576 pre 606µs on 602µs post 592µs diff 3.37µs align 524288 pre 604µs on 610µs post 610µs diff 3.38µs align 262144 pre 588µs on 591µs post 591µs diff 1.42µs align 131072 pre 585µs on 606µs post 584µs diff 20.7µs align 65536 pre 592µs on 590µs post 590µs diff -344ns align 32768 pre 591µs on 587µs post 588µs diff -2848ns align 16384 pre 588µs on 588µs post 585µs diff 1.95µs align 8192 pre 591µs on 586µs post 590µs diff -4470ns align 4096 pre 586µs on 589µs post 584µs diff 3.41µs align 2048 pre 594µs on 593µs post 590µs diff 1.21µs $ sudo ./flashbench /dev/sdc2 --open-au --blocksize=512 --erasesize=$[1024 * 8192] 8MiB 5.21M/s 4MiB 5.23M/s 2MiB 5.24M/s 1MiB 5.24M/s 512KiB 5.31M/s 256KiB 5.28M/s 128KiB 5.27M/s 64KiB 5.24M/s 32KiB 5.21M/s 16KiB 5.09M/s 8KiB 4.85M/s 4KiB 4.43M/s 2KiB 3.9M/s 1KiB 2.64M/s 512B 1.35M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdc2 --open-au --blocksize=512 --erasesize=$[1024 * 8192] --random 8MiB 5.25M/s 4MiB 5.24M/s 2MiB 5.23M/s 1MiB 5.24M/s 512KiB 5.26M/s 256KiB 5.34M/s 128KiB 5.26M/s 64KiB 3.2M/s 32KiB 1.8M/s 16KiB 970K/s 8KiB 509K/s ^C arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdc2 --open-au --blocksize=512 --erasesize=$[1024 * 128] --open-au-nr=2 128KiB 3.1M/s 64KiB 3.68M/s 32KiB 2.01M/s 16KiB 1.08M/s 8KiB 632K/s 4KiB 4.43M/s 2KiB 3.91M/s 1KiB 2.65M/s 512B 1.35M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdc2 --open-au --blocksize=512 --erasesize=$[1024 * 512] --open-au-nr=4 512KiB 5.28M/s 256KiB 5.13M/s 128KiB 5.4M/s 64KiB 4.01M/s 32KiB 3.36M/s 16KiB 4.92M/s 8KiB 5.02M/s 4KiB 4.32M/s 2KiB 3.98M/s 1KiB 2.68M/s 512B 1.36M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdc2 --open-au --blocksize=512 --erasesize=$[1024 * 512] --open-au-nr=5 512KiB 4.95M/s 256KiB 5.47M/s 128KiB 5.19M/s 64KiB 3.8M/s 32KiB 2.27M/s 16KiB 1.35M/s 8KiB 762K/s 4KiB 465K/s 2KiB 293K/s 1KiB 180K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdc2 --open-au --blocksize=512 --erasesize=$[1024 * 512] --open-au-nr=6 512KiB 5.2M/s 256KiB 5.44M/s 128KiB 5.23M/s 64KiB 3.67M/s 32KiB 2.14M/s 16KiB 1.22M/s 8KiB 676K/s 4KiB 377K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdc2 --open-au --blocksize=512 --erasesize=$[1024 * 1024] --open-au-nr=4 1MiB 5.02M/s 512KiB 5.4M/s 256KiB 5.28M/s 128KiB 5.24M/s 64KiB 5.26M/s 32KiB 5.19M/s 16KiB 5.25M/s 8KiB 4.85M/s 4KiB 4.53M/s 2KiB 3.89M/s 1KiB 2.66M/s 512B 1.35M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdc2 --open-au --blocksize=512 --erasesize=$[1024 * 128] --open-au-nr=4 --random 128KiB 4.62M/s 64KiB 4.05M/s 32KiB 3.63M/s 16KiB 2.2M/s 8KiB 1.44M/s 4KiB 1.02M/s 2KiB 3.24M/s 1KiB 2.6M/s 512B 1.34M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdc2 --open-au --blocksize=512 --erasesize=$[1024 * 128] --open-au-nr=4 --random 128KiB 5.29M/s 64KiB 5.28M/s 32KiB 5.24M/s 16KiB 5.12M/s 8KiB 4.79M/s 4KiB 4.44M/s 2KiB 3.91M/s 1KiB 2.64M/s 512B 1.35M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdc2 --open-au --blocksize=512 --erasesize=$[1024 * 128] --open-au-nr=5 --random 128KiB 5.3M/s 64KiB 4.18M/s 32KiB 4.66M/s 16KiB 2.67M/s 8KiB 1.48M/s 4KiB 793K/s 2KiB 406K/s 1KiB 197K/s

14 years, 6 months

1
1
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PQI 512MB compactflash

by Arnd Bergmann

Disk /dev/sdc: 515 MB, 515579904 bytes 16 heads, 63 sectors/track, 999 cylinders, total 1006992 sectors Units = sectors of 1 * 512 = 512 bytes Device Boot Start End Blocks Id System /dev/sdc1 * 63 1005983 502960 6 FAT16 arnd@wuerfel:~/flashbench$ sudo ./flashbench -a /dev/sdc --blocksize=1024 --count=100 align 67108864 pre 827µs on 990µs post 786µs diff 184µs align 33554432 pre 811µs on 992µs post 812µs diff 181µs align 16777216 pre 798µs on 992µs post 814µs diff 186µs align 8388608 pre 809µs on 994µs post 805µs diff 187µs align 4194304 pre 812µs on 995µs post 827µs diff 175µs align 2097152 pre 803µs on 986µs post 813µs diff 178µs align 1048576 pre 805µs on 849µs post 798µs diff 47.2µs align 524288 pre 809µs on 857µs post 811µs diff 47.5µs align 262144 pre 808µs on 861µs post 814µs diff 50.2µs align 131072 pre 804µs on 852µs post 812µs diff 44.1µs align 65536 pre 805µs on 854µs post 814µs diff 45µs align 32768 pre 829µs on 825µs post 808µs diff 5.79µs align 16384 pre 802µs on 810µs post 818µs diff 45ns align 8192 pre 814µs on 807µs post 813µs diff -6146ns align 4096 pre 806µs on 830µs post 808µs diff 22.6µs align 2048 pre 803µs on 806µs post 807µs diff 344ns arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au --erasesize=$[2*1024*1024] /dev/sdc --blocksize=512 2MiB 4.12M/s 1MiB 4.09M/s 512KiB 4.09M/s 256KiB 4.05M/s 128KiB 4M/s 64KiB 4M/s 32KiB 3.33M/s 16KiB 2.69M/s 8KiB 2.2M/s 4KiB 1.57M/s 2KiB 946K/s 1KiB 308K/s 512B 132K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au --erasesize=$[2*1024*1024] /dev/sdc --blocksize=8192 --random 2MiB 4.12M/s 1MiB 4.12M/s 512KiB 4.1M/s 256KiB 4.07M/s 128KiB 3.96M/s 64KiB 3.93M/s 32KiB 2.35M/s 16KiB 1.31M/s 8KiB 777K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au --erasesize=$[2*1024*1024] /dev/sdc --blocksize=65536 --random --open-au-nr=4 2MiB 4.07M/s 1MiB 4.14M/s 512KiB 4.08M/s 256KiB 4.05M/s 128KiB 3.93M/s 64KiB 3.87M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au --erasesize=$[2*1024*1024] /dev/sdc --blocksize=65536 --random --open-au-nr=8 2MiB 4.08M/s 1MiB 4.12M/s 512KiB 4.05M/s 256KiB 4.01M/s 128KiB 3.85M/s 64KiB 3.72M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au --erasesize=$[1024*512] /dev/sdc --blocksize=2048 --open-au-nr=8 512KiB 3.96M/s 256KiB 4.02M/s 128KiB 3.92M/s 64KiB 3.77M/s 32KiB 1.71M/s 16KiB 846K/s 8KiB 428K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au --erasesize=$[1024*256] /dev/sdc --blocksize=2048 --open-au-nr=5 256KiB 4.09M/s 128KiB 3.82M/s 64KiB 3.72M/s 32KiB 3.65M/s 16KiB 2.9M/s 8KiB 2.1M/s 4KiB 1.46M/s 2KiB 869K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au --erasesize=$[1024*256] /dev/sdc --blocksize=2048 --open-au-nr=6 256KiB 4.08M/s 128KiB 4.05M/s 64KiB 4.02M/s 32KiB 2.78M/s 16KiB 1.57M/s 8KiB 893K/s 4KiB 501K/s 2KiB 273K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au --erasesize=$[1024*256] /dev/sdc --blocksize=2048 --open-au-nr=4 --random 256KiB 4.07M/s 128KiB 3.84M/s 64KiB 3.8M/s 32KiB 2.95M/s 16KiB 2.17M/s 8KiB 1.66M/s 4KiB 1.16M/s 2KiB 684K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au --erasesize=$[1024*256] /dev/sdc --blocksize=2048 --open-au-nr=5 --random 256KiB 3.99M/s 128KiB 3.82M/s 64KiB 3.7M/s 32KiB 2.85M/s 16KiB 1.66M/s 8KiB 745K/s 4KiB 369K/s 2KiB 200K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --erasesize=$[1024*256] /dev/sdc --blocksize=2048 --findfat --fat-nr=8 --random 256KiB 4.44M/s 4.01M/s 4.31M/s 4.04M/s 4.33M/s 4.02M/s 4.34M/s 3.52M/s 128KiB 3.94M/s 3.91M/s 4.11M/s 3.95M/s 4.27M/s 3.96M/s 4.26M/s 3.39M/s 64KiB 4.12M/s 3.99M/s 4.25M/s 3.93M/s 4.33M/s 4.03M/s 4.22M/s 3.38M/s 32KiB 3.48M/s 3.51M/s 3.54M/s 2.56M/s 3.29M/s 2.03M/s 2.75M/s 2.32M/s 16KiB 2.3M/s 2.19M/s 2.81M/s 1.9M/s 2.8M/s 1.57M/s 2.71M/s 1.31M/s 8KiB 1.86M/s 1.19M/s 1.76M/s 1.23M/s 1.73M/s 1.14M/s 1.75M/s 1.24M/s 4KiB 1.18M/s 879K/s 1.23M/s 1.06M/s 1.27M/s 1.07M/s 1.24M/s 1.05M/s 2KiB 744K/s 708K/s 771K/s 778K/s 813K/s 743K/s 838K/s 767K/s

14 years, 6 months

1
1
0 0

Transcend 8 GB 133x CF (different one)

by Arnd Bergmann

Disk /dev/sdd: 8 GB, 8019099648 bytes 16 heads, 63 sectors/track, 15538 cylinders, total 15662304 sectors Units = sectors of 1 * 512 = 512 bytes Device Boot Start End Blocks Id System /dev/sdd1 * 63 15661295 7830616 b FAT32 sudo dosfsck /dev/sdd1 dosfsck 3.0.9, 31 Jan 2010, FAT32, LFN /dev/sdd1: 1 files, 1/244646 clusters $ sudo ./flashbench -a /dev/sdd --blocksize=1024 --count=100 align 1073741824 pre 599µs on 621µs post 599µs diff 22.6µs align 536870912 pre 581µs on 601µs post 579µs diff 21.4µs align 268435456 pre 586µs on 607µs post 583µs diff 22.1µs align 134217728 pre 590µs on 610µs post 591µs diff 19.5µs align 67108864 pre 593µs on 615µs post 597µs diff 20.4µs align 33554432 pre 584µs on 606µs post 587µs diff 20.2µs align 16777216 pre 587µs on 607µs post 588µs diff 19.4µs align 8388608 pre 583µs on 608µs post 587µs diff 23µs align 4194304 pre 583µs on 604µs post 580µs diff 23.1µs align 2097152 pre 575µs on 601µs post 587µs diff 20.2µs align 1048576 pre 587µs on 588µs post 583µs diff 3.37µs align 524288 pre 583µs on 585µs post 582µs diff 2.6µs align 262144 pre 587µs on 592µs post 592µs diff 2.17µs align 131072 pre 586µs on 585µs post 584µs diff 489ns align 65536 pre 585µs on 587µs post 586µs diff 1.63µs align 32768 pre 592µs on 594µs post 585µs diff 5.5µs align 16384 pre 587µs on 590µs post 586µs diff 3.52µs align 8192 pre 588µs on 605µs post 587µs diff 17.2µs align 4096 pre 585µs on 588µs post 587µs diff 2.27µs align 2048 pre 585µs on 583µs post 581µs diff -189ns $ sudo ./flashbench --open-au /dev/sdd --blocksize=1024 --erasesize=2097152 --open-au-nr=4 --random 2MiB 16.6M/s 1MiB 8.21M/s 512KiB 4.06M/s 256KiB 2.45M/s 128KiB 1.23M/s 64KiB 631K/s 32KiB 315K/s ^C arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au /dev/sdd --blocksize=1024 --erasesize=2097152 --open-au-nr=1 --random 2MiB 7.23M/s 1MiB 7.22M/s 512KiB 6.36M/s 256KiB 7.84M/s 128KiB 4.76M/s 64KiB 4.64M/s 32KiB 4.49M/s 16KiB 4.25M/s 8KiB 3.43M/s 4KiB 2.44M/s 2KiB 1.19M/s 1KiB 589K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au /dev/sdd --blocksize=1024 --erasesize=2097152 --open-au-nr=1 --random 2MiB 6.61M/s 1MiB 6.22M/s 512KiB 6.12M/s 256KiB 6.29M/s 128KiB 6.18M/s 64KiB 6.23M/s 32KiB 4.88M/s 16KiB 4.74M/s 8KiB 4.14M/s 4KiB 2.41M/s 2KiB 1.19M/s 1KiB 592K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au /dev/sdd --blocksize=1024 --erasesize=2097152 --open-au-nr=2 --random 2MiB 7.64M/s 1MiB 12.2M/s 512KiB 8.75M/s 256KiB 4.91M/s 128KiB 4.73M/s 64KiB 4.65M/s 32KiB 3.34M/s 16KiB 4.28M/s 8KiB 3.39M/s 4KiB 2.41M/s 2KiB 1.2M/s 1KiB 587K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au /dev/sdd --blocksize=1024 --erasesize=2097152 --open-au-nr=2 --random 2MiB 6.41M/s 1MiB 6.55M/s 512KiB 6.3M/s 256KiB 6.18M/s 128KiB 5.77M/s 64KiB 5.76M/s 32KiB 5.46M/s 16KiB 4.79M/s 8KiB 4.26M/s 4KiB 2.46M/s 2KiB 1.19M/s 1KiB 578K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au /dev/sdd --blocksize=1024 --erasesize=2097152 --open-au-nr=3 --random 2MiB 9.38M/s 1MiB 3.28M/s 512KiB 6.47M/s 256KiB 1.69M/s 128KiB 1.76M/s 64KiB 971K/s 32KiB 479K/s 16KiB 264K/s ^C arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au /dev/sdd --blocksize=1024 --erasesize=2097152 --open-au-nr=3 --random 2MiB 7.25M/s 1MiB 10.1M/s 512KiB 7.32M/s 256KiB 3.56M/s 128KiB 1.67M/s 64KiB 847K/s ^C arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au /dev/sdd --blocksize=4096 --erasesize=2097152 --open-au-nr=3 2MiB 24.2M/s 1MiB 24.2M/s 512KiB 24.1M/s 256KiB 23.1M/s 128KiB 8.03M/s 64KiB 22.6M/s 32KiB 20.1M/s 16KiB 16.4M/s 8KiB 10.9M/s 4KiB 6.48M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au /dev/sdd --blocksize=4096 --erasesize=2097152 --open-au-nr=4 2MiB 24.3M/s 1MiB 12.3M/s 512KiB 3.11M/s 256KiB 1.43M/s 128KiB 690K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au /dev/sdd --blocksize=4096 --erasesize=1048576 --open-au-nr=3 1MiB 6.41M/s 512KiB 7.56M/s 256KiB 5.67M/s 128KiB 6.82M/s 64KiB 11.2M/s 32KiB 5.43M/s 16KiB 6.74M/s 8KiB 6.59M/s 4KiB 2.98M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au /dev/sdd --blocksize=4096 --erasesize=1048576 --open-au-nr=4 1MiB 9.22M/s 512KiB 7.75M/s 256KiB 5.87M/s 128KiB 5.91M/s 64KiB 5.97M/s 32KiB 5.81M/s 16KiB 5.46M/s 8KiB 4.45M/s 4KiB 3.28M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au /dev/sdd --blocksize=4096 --erasesize=1048576 --open-au-nr=5 1MiB 6.64M/s 512KiB 6.48M/s 256KiB 6.25M/s 128KiB 5.38M/s 64KiB 4.59M/s 32KiB 5.27M/s 16KiB 4.98M/s 8KiB 4.16M/s 4KiB 3.03M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au /dev/sdd --blocksize=4096 --erasesize=1048576 --open-au-nr=6 1MiB 7.76M/s 512KiB 3.37M/s 256KiB 1.64M/s 128KiB 761K/s ^C

14 years, 6 months

1
1
0 0

Numonyx SMC02GBFK6E CF card

by Arnd Bergmann

Disk /dev/sdc: 2 GB, 2048094720 bytes 255 heads, 63 sectors/track, 249 cylinders, total 4000185 sectors Units = sectors of 1 * 512 = 512 bytes arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdc --blocksize=$[512] --erasesize=$[512*1024] --open-au-nr=1 --findfat --fat-nr=6 512KiB 3.02M/s 15.2M/s 14.8M/s 16.3M/s 16.2M/s 14.7M/s 256KiB 3.19M/s 16.7M/s 14M/s 15.5M/s 14.6M/s 14.5M/s 128KiB 2.98M/s 14.8M/s 14.1M/s 14.3M/s 14.4M/s 15.6M/s 64KiB 3.17M/s 14.5M/s 14.4M/s 14.5M/s 14.2M/s 14.9M/s 32KiB 2.93M/s 14.4M/s 14M/s 14.8M/s 14.9M/s 14.1M/s 16KiB 3.07M/s 12.9M/s 12M/s 12.3M/s 12.7M/s 12.6M/s 8KiB 2.76M/s 10.9M/s 10.6M/s 10.6M/s 10.6M/s 10.7M/s 4KiB 2.53M/s 7.68M/s 7.66M/s 7.73M/s 7.51M/s 7.72M/s 2KiB 1.98M/s 4.09M/s 4.06M/s 4.05M/s 4.07M/s 4.07M/s 1KiB 1.63M/s 2.7M/s 2.71M/s 2.71M/s 2.71M/s 2.71M/s 512B 919K/s 1.37M/s 1.36M/s 1.36M/s 1.36M/s 1.36M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdc --blocksize=$[512] --erasesize=$[512*1024] --open-au-nr=1 --findfat --fat-nr=6 --random 512KiB 3.07M/s 15.3M/s 14.5M/s 15.4M/s 14.8M/s 15M/s 256KiB 3.3M/s 11.3M/s 6.01M/s 8.24M/s 7.66M/s 7.15M/s 128KiB 3.34M/s 5.3M/s 5.65M/s 4.6M/s 5.22M/s 5.23M/s 64KiB 3.22M/s 2.55M/s 2.47M/s 2.6M/s 2.48M/s 2.56M/s 32KiB 3.16M/s 1.52M/s 1.55M/s 1.52M/s 1.51M/s 1.56M/s 16KiB 3M/s 730K/s 726K/s 738K/s 727K/s 723K/s 8KiB 2.81M/s 354K/s 355K/s 356K/s 351K/s 355K/s 4KiB 2.68M/s 194K/s 194K/s 195K/s 196K/s 196K/s 2KiB 2.02M/s 96K/s 95.6K/s 95.5K/s 94.3K/s 96.2K/s 1KiB 1.58M/s 48.2K/s 47.8K/s 48.4K/s 48.4K/s 48.2K/s 512B 783K/s 23.7K/s 23.6K/s 23.5K/s 23.9K/s 24.1K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdc --blocksize=$[512] --open-au --erasesize=$[512*1024] --open-au-nr=1 512KiB 15.2M/s 256KiB 14.6M/s 128KiB 15.4M/s 64KiB 14.5M/s 32KiB 14.9M/s 16KiB 12.6M/s 8KiB 10.4M/s 4KiB 6.87M/s 2KiB 4.08M/s 1KiB 2.73M/s 512B 1.37M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdc --blocksize=$[512] --open-au --erasesize=$[512*1024] --open-au-nr=2 512KiB 15M/s 256KiB 10.4M/s 128KiB 14.7M/s 64KiB 15.7M/s 32KiB 14.8M/s 16KiB 12.7M/s 8KiB 10.7M/s 4KiB 7.59M/s 2KiB 4.07M/s 1KiB 2.72M/s 512B 1.36M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdc --blocksize=$[512] --open-au --erasesize=$[512*1024] --open-au-nr=3 512KiB 15.6M/s 256KiB 8.85M/s 128KiB 4.35M/s 64KiB 2.04M/s 32KiB 991K/s 16KiB 491K/s 8KiB 245K/s 4KiB 122K/s 2KiB 60.5K/s 1KiB 30.1K/s 512B 15.1K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdc --blocksize=$[512] --open-au --erasesize=$[512*1024] --open-au-nr=1 --random 512KiB 15.2M/s 256KiB 10.3M/s 128KiB 8.55M/s 64KiB 3.22M/s 32KiB 1.75M/s 16KiB 785K/s 8KiB 376K/s 4KiB 202K/s 2KiB 98.6K/s 1KiB 48.8K/s 512B 24.3K/s

14 years, 6 months

1
1
0 0

Kingston CF/4GB (2008)

by Arnd Bergmann

# flashbench -a suggests 1 MB erase blocks, but later results suggest 2 MB arnd@wuerfel:~/flashbench$ sudo ./flashbench -a /dev/sdc --blocksize 1024 align 536870912 pre 543µs on 667µs post 544µs diff 124µs align 268435456 pre 546µs on 673µs post 546µs diff 127µs align 134217728 pre 540µs on 666µs post 544µs diff 123µs align 67108864 pre 535µs on 667µs post 540µs diff 130µs align 33554432 pre 545µs on 669µs post 544µs diff 124µs align 16777216 pre 537µs on 668µs post 537µs diff 131µs align 8388608 pre 541µs on 666µs post 544µs diff 124µs align 4194304 pre 544µs on 672µs post 547µs diff 127µs align 2097152 pre 557µs on 671µs post 547µs diff 120µs align 1048576 pre 547µs on 671µs post 546µs diff 124µs align 524288 pre 547µs on 666µs post 559µs diff 114µs align 262144 pre 541µs on 661µs post 539µs diff 121µs align 131072 pre 546µs on 664µs post 544µs diff 119µs align 65536 pre 546µs on 668µs post 560µs diff 115µs align 32768 pre 546µs on 669µs post 543µs diff 124µs align 16384 pre 544µs on 672µs post 549µs diff 125µs align 8192 pre 545µs on 668µs post 544µs diff 123µs align 4096 pre 544µs on 554µs post 547µs diff 8.64µs align 2048 pre 544µs on 548µs post 544µs diff 3.87µs Disk /dev/sdc: 4 GB, 4013936640 bytes 255 heads, 63 sectors/track, 488 cylinders, total 7839720 sectors Units = sectors of 1 * 512 = 512 bytes Device Boot Start End Blocks Id System /dev/sdc1 * 63 7846271 3927861 b FAT32 arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au --erasesize=1048576 /dev/sdc --blocksize=1024 1MiB 8.11M/s 512KiB 2.47M/s 256KiB 8.13M/s 128KiB 7.96M/s 64KiB 8.15M/s 32KiB 2.45M/s 16KiB 7.64M/s 8KiB 6.99M/s 4KiB 1.64M/s 2KiB 1.03M/s 1KiB 520K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au --erasesize=4194304 /dev/sdc --blocksize=1024 4MiB 9.16M/s 2MiB 9.09M/s 1MiB 9.09M/s 512KiB 9.1M/s 256KiB 9.05M/s 128KiB 8.97M/s 64KiB 8.99M/s 32KiB 8.74M/s 16KiB 8.44M/s 8KiB 7.82M/s 4KiB 3.73M/s 2KiB 1.9M/s 1KiB 959K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au --erasesize=$[4194304/2] /dev/sdc --blocksize=1024 2MiB 5.2M/s 1MiB 5.66M/s 512KiB 9.22M/s 256KiB 9.29M/s 128KiB 9.16M/s 64KiB 9.17M/s 32KiB 8.88M/s 16KiB 8.58M/s 8KiB 7.97M/s 4KiB 3.79M/s 2KiB 1.9M/s 1KiB 964K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au --erasesize=$[4194304/2] /dev/sdc --blocksize=1024 --open-au-nr=2 2MiB 9.44M/s 1MiB 9.38M/s 512KiB 9.27M/s 256KiB 9.25M/s 128KiB 9.17M/s 64KiB 9.22M/s 32KiB 8.96M/s 16KiB 8.56M/s 8KiB 7.94M/s 4KiB 3.8M/s 2KiB 1.9M/s 1KiB 963K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au --erasesize=$[4194304/2] /dev/sdc --blocksize=1024 --open-au-nr=2 --random 2MiB 9.38M/s 1MiB 5.23M/s 512KiB 3.84M/s 256KiB 3.82M/s 128KiB 3.83M/s 64KiB 3.83M/s 32KiB 3.78M/s 16KiB 3.72M/s 8KiB 3.58M/s 4KiB 1.89M/s 2KiB 1.05M/s 1KiB 519K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au --erasesize=$[4194304/4] /dev/sdc --blocksize=8192 --open-au-nr=2 --random 1MiB 8.25M/s 512KiB 8.29M/s 256KiB 8.24M/s 128KiB 2.51M/s 64KiB 8.17M/s 32KiB 8.03M/s 16KiB 7.78M/s 8KiB 2.41M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au --erasesize=$[4194304/2] /dev/sdc --blocksize=8192 --open-au-nr=4 2MiB 5.47M/s 1MiB 5.75M/s 512KiB 9.37M/s 256KiB 9.33M/s 128KiB 9.26M/s 64KiB 9.17M/s 32KiB 8.98M/s 16KiB 8.69M/s 8KiB 7.98M/s # 6 * 2 MB is great in linear mode arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au --erasesize=$[4194304/2] /dev/sdc --blocksize=8192 --open-au-nr=6 2MiB 9.42M/s 1MiB 6.56M/s 512KiB 9.4M/s 256KiB 9.29M/s 128KiB 9.22M/s 64KiB 9.24M/s 32KiB 9.02M/s 16KiB 8.68M/s 8KiB 7.95M/s # More than 6 * 2 MB is not arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au --erasesize=$[4194304/2] /dev/sdc --blocksize=8192 --open-au-nr=7 2MiB 5.16M/s 1MiB 4.16M/s 512KiB 1.58M/s 256KiB 833K/s 128KiB 434K/s 64KiB 223K/s 32KiB 113K/s 16KiB 56.7K/s ^C arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au --erasesize=$[4194304/2] /dev/sdc --blocksize=8192 --open-au-nr=8 2MiB 9.42M/s 1MiB 4.62M/s 512KiB 1.58M/s 256KiB 831K/s ^C # 6 * 2 MB is fine in random mode arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au --erasesize=$[4194304/2] /dev/sdc --blocksize=8192 --open-au-nr=6 --random 2MiB 4.28M/s 1MiB 3.91M/s 512KiB 3.92M/s 256KiB 3.91M/s 128KiB 3.9M/s 64KiB 3.89M/s 32KiB 3.85M/s 16KiB 3.79M/s 8KiB 3.62M/s # 7 * 2 MB breaks in random mode arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au --erasesize=$[4194304/2] /dev/sdc --blocksize=8192 --open-au-nr=7 --random 2MiB 9.53M/s 1MiB 3.89M/s 512KiB 1.67M/s 256KiB 850K/s ^C # Trying 6*4MB, also bad arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au --erasesize=$[4194304] /dev/sdc --blocksize=8192 --open-au-nr=6 --random 4MiB 7.07M/s 2MiB 9.53M/s 1MiB 3.17M/s 512KiB 2.1M/s 256KiB 1.28M/s # Trying 6 * 2 MB with offset 1 MB arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au --erasesize=$[4194304/2] /dev/sdc --blocksize=8192 --open-au-nr=6 --random --offset=$[17 * 1024 * 1024] 2MiB 2.88M/s 1MiB 3.57M/s 512KiB 1.62M/s 256KiB 1.1M/s 128KiB 686K/s ^C # No special FAT area: arnd@wuerfel:~/flashbench$ sudo ./flashbench --findfat --erasesize=$[4194304/2] /dev/sdc --blocksize=512 --random --fat-nr=6 2MiB 4.12M/s 9.48M/s 9.52M/s 9.53M/s 9.63M/s 9.53M/s 1MiB 8.2M/s 3.91M/s 3.91M/s 3.93M/s 3.92M/s 3.9M/s 512KiB 3.9M/s 3.92M/s 3.92M/s 3.92M/s 3.94M/s 3.89M/s 256KiB 3.9M/s 3.93M/s 3.89M/s 3.9M/s 3.92M/s 3.91M/s 128KiB 3.92M/s 3.88M/s 3.88M/s 3.9M/s 3.91M/s 3.9M/s 64KiB 3.88M/s 3.89M/s 3.9M/s 3.88M/s 3.84M/s 3.89M/s 32KiB 3.86M/s 3.84M/s 3.78M/s 3.8M/s 3.86M/s 3.85M/s 16KiB 3.77M/s 3.73M/s 3.74M/s 3.77M/s 3.74M/s 3.72M/s 8KiB 3.65M/s 3.59M/s 3.63M/s 3.65M/s 3.59M/s 3.6M/s 4KiB 1.65M/s 1.66M/s 1.7M/s 1.7M/s 1.7M/s 1.7M/s 2KiB 1.06M/s 1.06M/s 1.07M/s 1.07M/s 1.07M/s 1.07M/s 1KiB 527K/s 526K/s 523K/s 525K/s 521K/s 525K/s 512B 260K/s 261K/s 260K/s 260K/s 259K/s 260K/s # looking for minimum alignment, 8KB arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au --erasesize=$[4194304/4] /dev/sdc --blocksize=8192 --open-au-nr=1 --random --offset=$[16 * 1024 * 1024 + 8192] 1MiB 8.48M/s 512KiB 8.34M/s 256KiB 8.49M/s 128KiB 2.52M/s 64KiB 8.47M/s 32KiB 8.15M/s 16KiB 7.99M/s 8KiB 2.41M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au --erasesize=$[4194304/4] /dev/sdc --blocksize=8192 --open-au-nr=1 --random --offset=$[16 * 1024 * 1024 + 4096] 1MiB 7.73M/s 512KiB 7.75M/s 256KiB 7.41M/s 128KiB 2.39M/s 64KiB 7.19M/s 32KiB 6.18M/s 16KiB 2.07M/s 8KiB 3.34M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au --erasesize=$[4194304/4] /dev/sdc --blocksize=8192 --open-au-nr=1 --random --offset=$[16 * 1024 * 1024 + 2048] 1MiB 7.72M/s 512KiB 2.44M/s 256KiB 7.44M/s 128KiB 7.12M/s 64KiB 7.09M/s 32KiB 2.26M/s 16KiB 4.73M/s 8KiB 1.73M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au --erasesize=$[4194304/4] /dev/sdc --blocksize=8192 --open-au-nr=1 --random --offset=$[16 * 1024 * 1024 + 1024] 1MiB 7.85M/s 512KiB 7.52M/s 256KiB 7.27M/s 128KiB 2.4M/s 64KiB 7.17M/s 32KiB 6.24M/s 16KiB 2.06M/s 8KiB 3.34M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --open-au --erasesize=$[4194304/4] /dev/sdc --blocksize=8192 --open-au-nr=1 --random --offset=$[16 * 1024 * 1024 + 512] 1MiB 7.72M/s 512KiB 2.45M/s 256KiB 7.49M/s 128KiB 7.2M/s 64KiB 2.41M/s 32KiB 6.2M/s 16KiB 4.71M/s 8KiB 1.73M/s 2KiB 902K/s 1KiB 424K/s 512B 260K/s

14 years, 6 months

1
1
0 0

XceedCF Industrial Grade CF 16 GB

by Arnd Bergmann

Disk /dev/sdc: 16 GB, 16384757760 bytes 255 heads, 63 sectors/track, 1992 cylinders, total 32001480 sectors Units = sectors of 1 * 512 = 512 bytes Device Boot Start End Blocks Id System /dev/sdc1 * 63 32014079 16008741 b FAT32 Warning: Partition 1 does not end on cylinder boundary. align 2147483648 pre 505µs on 605µs post 517µs diff 94.4µs align 1073741824 pre 491µs on 600µs post 498µs diff 105µs align 536870912 pre 496µs on 607µs post 489µs diff 115µs align 268435456 pre 506µs on 607µs post 514µs diff 97.3µs align 134217728 pre 527µs on 604µs post 521µs diff 80.6µs align 67108864 pre 492µs on 606µs post 496µs diff 113µs align 33554432 pre 511µs on 607µs post 516µs diff 93.2µs align 16777216 pre 479µs on 592µs post 511µs diff 97.8µs align 8388608 pre 479µs on 479µs post 478µs diff 798ns align 4194304 pre 513µs on 605µs post 494µs diff 101µs align 2097152 pre 558µs on 605µs post 559µs diff 46.6µs align 1048576 pre 474µs on 590µs post 508µs diff 99.7µs align 524288 pre 470µs on 476µs post 474µs diff 3.75µs align 262144 pre 474µs on 480µs post 478µs diff 4.35µs align 131072 pre 473µs on 475µs post 476µs diff 948ns align 65536 pre 474µs on 479µs post 477µs diff 3.13µs align 32768 pre 480µs on 480µs post 477µs diff 1.46µs align 16384 pre 477µs on 481µs post 480µs diff 1.97µs align 8192 pre 475µs on 479µs post 475µs diff 3.88µs align 4096 pre 471µs on 479µs post 477µs diff 5.65µs align 2048 pre 479µs on 483µs post 482µs diff 2.78µs # linear writing good up to 6x1MB arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdc --blocksize=$[512] --open-au --erasesize=$[1024*1024] --open-au-nr=1 1MiB 28.2M/s 512KiB 28M/s 256KiB 27.2M/s 128KiB 24.9M/s 64KiB 26.7M/s 32KiB 22.2M/s 16KiB 16.7M/s 8KiB 10.4M/s 4KiB 7.45M/s 2KiB 4.14M/s 1KiB 1.44M/s 512B 678K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdc --blocksize=$[512] --open-au --erasesize=$[1024*1024] --open-au-nr=2 1MiB 27.6M/s 512KiB 27.5M/s 256KiB 26.7M/s 128KiB 24.9M/s 64KiB 26M/s 32KiB 21.7M/s 16KiB 16.4M/s 8KiB 10.3M/s 4KiB 7.36M/s 2KiB 4.11M/s 1KiB 1.53M/s 512B 582K/s arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdc --blocksize=4096 --open-au --erasesize=$[1024*1024] --open-au-nr=4 1MiB 21.4M/s 512KiB 27.4M/s 256KiB 26.7M/s 128KiB 24.7M/s 64KiB 26M/s 32KiB 21.8M/s 16KiB 16.4M/s 8KiB 10.1M/s 4KiB 7.28M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdc --blocksize=4096 --open-au --erasesize=$[1024*1024] --open-au-nr=6 1MiB 16.4M/s 512KiB 27.4M/s 256KiB 26.6M/s 128KiB 24.9M/s 64KiB 26.1M/s 32KiB 21.7M/s 16KiB 16.4M/s 8KiB 10.2M/s 4KiB 7.29M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdc --blocksize=4096 --open-au --erasesize=$[1024*1024] --open-au-nr=7 1MiB 27.5M/s 512KiB 16.6M/s 256KiB 7.18M/s 128KiB 3.96M/s 64KiB 2.08M/s 32KiB 1.06M/s 16KiB 527K/s 8KiB 262K/s 4KiB 131K/s # random writes always bad arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdc --blocksize=4096 --open-au --erasesize=$[1024*1024] --open-au-nr=1 --random 1MiB 25.6M/s 512KiB 10.3M/s 256KiB 18.8M/s 128KiB 8.1M/s 64KiB 3.37M/s 32KiB 1.74M/s 16KiB 888K/s 8KiB 437K/s 4KiB 215K/s # at least 1 MB erase block, seen from lower throughput at 512KB arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdc --blocksize=4096 --open-au --erasesize=$[512*1024] --open-au-nr=6 512KiB 17.1M/s 256KiB 16M/s 128KiB 15.2M/s 64KiB 12.5M/s 32KiB 14.1M/s 16KiB 11.6M/s 8KiB 8.07M/s 4KiB 6.09M/s # no special FAT area! arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdc --blocksize=4096 --erasesize=$[1024*1024] --findfat --fat-nr=6 1MiB 28.5M/s 26.1M/s 27.6M/s 26.6M/s 28.4M/s 26.1M/s 512KiB 27.4M/s 25.9M/s 26.8M/s 26.3M/s 27.8M/s 25.8M/s 256KiB 27.3M/s 25.3M/s 26.4M/s 25.6M/s 27.3M/s 25.2M/s 128KiB 25.4M/s 23.4M/s 25M/s 23.8M/s 25.3M/s 23.4M/s 64KiB 26.7M/s 24.8M/s 25.4M/s 24.7M/s 26.7M/s 24.8M/s 32KiB 22.3M/s 20.8M/s 21.6M/s 21.1M/s 22M/s 20.9M/s 16KiB 16.8M/s 16M/s 16.2M/s 16.1M/s 16.7M/s 15.9M/s 8KiB 10.3M/s 9.77M/s 10.3M/s 10.2M/s 10.4M/s 9.78M/s 4KiB 7.45M/s 6.9M/s 7.24M/s 7.27M/s 7.49M/s 6.89M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench /dev/sdc --blocksize=4096 --erasesize=$[1024*1024] --findfat --fat-nr=6 --random 1MiB 28.5M/s 26M/s 27.6M/s 26.5M/s 27.9M/s 26.2M/s 512KiB 21.1M/s 19.5M/s 20.5M/s 19.5M/s 21.2M/s 19.3M/s 256KiB 18.9M/s 17.3M/s 12.5M/s 17.5M/s 18.9M/s 17.2M/s 128KiB 8.05M/s 7.23M/s 7.65M/s 4.81M/s 5.37M/s 7.23M/s 64KiB 3.32M/s 3.09M/s 4.44M/s 4.37M/s 4.77M/s 3.09M/s 32KiB 1.84M/s 1.63M/s 1.49M/s 1.68M/s 1.56M/s 1.63M/s 16KiB 874K/s 743K/s 824K/s 740K/s 872K/s 789K/s 8KiB 455K/s 395K/s 414K/s 408K/s 435K/s 391K/s

14 years, 6 months

1
2
0 0

Pls kindly check the new price for mobile phone

by Picasa Web Albums

Dear Friends and partners , Nice day to you! New items with great price mobile phone here come out, the lowest price is 10.95 USD. 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 Web size: www.oemmobile.com Factory Address: 5/F, Building 21, ChenTian Industrial Park, Shenzhen, GuangDong Province, China

14 years, 6 months

1
0
0 0

Mobile phone: 4 cards + WIFI + TV + 2.3 Screen = 33.75 USD

by Picasa Web Albums

Dear friend, Good day! Our company is mainly in the OEM and ODM business with all kinds of mobile phone. New items with great price mobile phone here come out, the lowest price is 10.95 USD. 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 Web size: www.oemmobile.com

14 years, 7 months

1
0
0 0

8 GB Transcend Class 6 (2008)

by Arnd Bergmann

arnd@klappe2:~/linux-2.6$ head /sys/block/mmcblk0/device/* ==> /sys/block/mmcblk0/device/cid <== 1c535653444320201000000411008300 ==> /sys/block/mmcblk0/device/csd <== 400e00325f5900003bbc7f800a400000 ==> /sys/block/mmcblk0/device/date <== 03/2008 ==> /sys/block/mmcblk0/device/erase_size <== 512 ==> /sys/block/mmcblk0/device/fwrev <== 0x0 ==> /sys/block/mmcblk0/device/hwrev <== 0x1 ==> /sys/block/mmcblk0/device/manfid <== 0x00001c ==> /sys/block/mmcblk0/device/name <== SDC ==> /sys/block/mmcblk0/device/oemid <== 0x5356 ==> /sys/block/mmcblk0/device/preferred_erase_size <== 4194304 ==> /sys/block/mmcblk0/device/scr <== 0235000000000000 ==> /sys/block/mmcblk0/device/serial <== 0x00000411 ==> /sys/block/mmcblk0/device/type <== SD ==> /sys/block/mmcblk0/device/uevent <== DRIVER=mmcblk MMC_TYPE=SD MMC_NAME=SDC MODALIAS=mmc:block Disk /dev/mmcblk0: 8017 MB, 8017936384 bytes 4 heads, 16 sectors/track, 244688 cylinders, total 15660032 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: 0x000be5d0 Device Boot Start End Blocks Id System /dev/mmcblk0p1 2048 14891007 7444480 83 Linux Partition 1 does not end on cylinder boundary. /dev/mmcblk0p2 14892316 15647309 377497 5 Extended Partition 2 does not end on cylinder boundary. /dev/mmcblk0p5 ? 1530763126 3046633935 757935405 5a Unknown arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --erasesize=$[1024*2048] --blocksize=512 --open-au-nr=1 2MiB 10.8M/s 1MiB 3.26M/s 512KiB 4.98M/s 256KiB 4.96M/s 128KiB 4.92M/s 64KiB 4.96M/s 32KiB 4.8M/s 16KiB 4.72M/s 8KiB 2.56M/s 4KiB 1.3M/s 2KiB 702K/s 1KiB 366K/s 512B 190K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --erasesize=$[1024*512] --blocksize=512 --open-au-nr=1 512KiB 8.08M/s 256KiB 8.54M/s 128KiB 8.45M/s 64KiB 2.25M/s 32KiB 8.12M/s 16KiB 7.6M/s 8KiB 1.76M/s 4KiB 1.34M/s 2KiB 705K/s 1KiB 371K/s 512B 195K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --erasesize=$[1024*1024] --blocksize=512 --open-au-nr=3 --random 1MiB 6.28M/s 512KiB 3.5M/s 256KiB 4.4M/s 128KiB 5.79M/s 64KiB 4.39M/s 32KiB 5.7M/s 16KiB 4.09M/s 8KiB 2.57M/s 4KiB 1.33M/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --erasesize=$[1024*2048] --blocksize=512 --open-au-nr=3 --random 2MiB 6.16M/s 1MiB 5.8M/s 512KiB 4.64M/s 256KiB 5.05M/s 128KiB 5.03M/s 64KiB 5.04M/s 32KiB 4.91M/s 16KiB 4.76M/s 8KiB 2.56M/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --erasesize=$[1024*4096] --blocksize=512 --open-au-nr=3 --random 4MiB 8.03M/s 2MiB 7.98M/s 1MiB 7.63M/s 512KiB 2.96M/s 256KiB 3.07M/s 128KiB 2.13M/s 64KiB 1.11M/s 32KiB 715K/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --erasesize=$[1024*4096] --blocksize=512 --open-au-nr=2 --random 4MiB 5.83M/s 2MiB 5.85M/s 1MiB 5.53M/s 512KiB 4.67M/s 256KiB 5.01M/s 128KiB 5.04M/s 64KiB 5.04M/s 32KiB 4.92M/s 16KiB 4.77M/s 8KiB 2.44M/s 4KiB 1.31M/s 2KiB 457K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --erasesize=$[1024*4096] --blocksize=512 --open-au-nr=4 --offset=$[1024*1024*16 + 2*1024*1024] 4MiB 6.02M/s 2MiB 7.07M/s 1MiB 7.01M/s 512KiB 7.08M/s 256KiB 6.57M/s 128KiB 7.08M/s 64KiB 7.07M/s 32KiB 6.88M/s 16KiB 6.52M/s 8KiB 3.16M/s 4KiB 1.52M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --erasesize=$[2*1024*1024] --blocksize=512 --open-au-nr=4 --offset=$[1024*1024*16] --random 2MiB 8.67M/s 1MiB 7.16M/s 512KiB 4.12M/s 256KiB 5.09M/s 128KiB 5.05M/s 64KiB 5.07M/s 32KiB 4.97M/s 16KiB 4.82M/s 8KiB 2.58M/s 4KiB 1.33M/s 2KiB 682K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --erasesize=$[2*1024*1024] --blocksize=512 --open-au-nr=4 --offset=$[1024*1024*16] 2MiB 4.62M/s 1MiB 5.08M/s 512KiB 5.08M/s 256KiB 5.09M/s 128KiB 5.05M/s 64KiB 5.07M/s 32KiB 4.96M/s 16KiB 4.83M/s 8KiB 2.52M/s 4KiB 1.32M/s 2KiB 686K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --erasesize=$[2*1024*1024] --blocksize=512 --open-au-nr=5 --offset=$[1024*1024*16] 2MiB 2.42M/s 1MiB 5.74M/s 512KiB 5.75M/s 256KiB 5.73M/s 128KiB 5.71M/s 64KiB 5.71M/s 32KiB 3.36M/s 16KiB 5.35M/s 8KiB 2.8M/s 4KiB 1.17M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --erasesize=$[2*1024*1024] --blocksize=512 --open-au-nr=6 --offset=$[1024*1024*16] 2MiB 5.27M/s 1MiB 6.26M/s 512KiB 5.2M/s 256KiB 6.23M/s 128KiB 6.25M/s 64KiB 6.26M/s 32KiB 6.13M/s 16KiB 5.37M/s 8KiB 2.92M/s 4KiB 1.35M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 --erasesize=$[2*1024*1024] --blocksize=512 --open-au-nr=7 --offset=$[1024*1024*16] 2MiB 5.2M/s 1MiB 6.67M/s 512KiB 5.93M/s 256KiB 3.68M/s 128KiB 2.41M/s 64KiB 1.23M/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench --findfat --fat-nr=16 /dev/mmcblk0 --erasesize=$[1024*2048] 2MiB 11.3M/s 11.4M/s 11.4M/s 11.4M/s 11.3M/s 11.3M/s 11.3M/s 11.4M/s 11.4M/s 11.2M/s 10.5M/s 10.2M/s 11.1M/s 4.98M/s 5.04M/s 5.07M/s 1MiB 11.4M/s 11.4M/s 11.4M/s 11.4M/s 11.2M/s 11.4M/s 11.3M/s 11.3M/s 11.4M/s 11.4M/s 11.4M/s 11.1M/s 11.4M/s 2.69M/s 5.01M/s 5.09M/s 512KiB 11.3M/s 11.3M/s 11.4M/s 11.5M/s 11.4M/s 11.4M/s 11.4M/s 11.4M/s 11.3M/s 11.4M/s 11.4M/s 11.3M/s 11.3M/s 5.1M/s 5.05M/s 5.01M/s 256KiB 11.3M/s 10.9M/s 10.1M/s 11.1M/s 11.4M/s 11.4M/s 11.4M/s 11.4M/s 11.3M/s 11.4M/s 11.4M/s 11.4M/s 11.4M/s 5.06M/s 4.9M/s 5.04M/s 128KiB 11.3M/s 11.3M/s 11.4M/s 11.3M/s 11.4M/s 11.4M/s 11.4M/s 11.4M/s 11.3M/s 11.3M/s 11.4M/s 11.3M/s 11.4M/s 5.1M/s 5.09M/s 5.05M/s 64KiB 11.3M/s 11.4M/s 11.3M/s 11.2M/s 11.3M/s 11.3M/s 11.3M/s 11.3M/s 11.3M/s 10.6M/s 10.8M/s 10.6M/s 11.2M/s 5.1M/s 5.03M/s 5.05M/s 32KiB 10.7M/s 2.82M/s 10.8M/s 10.8M/s 10.8M/s 10.9M/s 10.9M/s 10.8M/s 10.9M/s 10.9M/s 10.7M/s 10.8M/s 10.8M/s 4.99M/s 4.96M/s 5M/s 16KiB 9.8M/s 9.96M/s 9.98M/s 9.83M/s 9.88M/s 9.94M/s 9.68M/s 9.92M/s 9.99M/s 9.99M/s 9.94M/s 9.99M/s 9.91M/s 4.73M/s 4.78M/s 4.77M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --findfat --fat-nr=16 /dev/mmcblk0 --erasesize=$[1024*2048] --random 2MiB 11.1M/s 11.4M/s 11.3M/s 11.4M/s 11.4M/s 11.3M/s 11.4M/s 11.4M/s 11.3M/s 11.4M/s 11.3M/s 11.4M/s 11.3M/s 4.98M/s 5.07M/s 5.04M/s 1MiB 4.03M/s 4M/s 3.99M/s 4.22M/s 4.23M/s 4.2M/s 4.23M/s 3.08M/s 4.22M/s 4.21M/s 4.19M/s 4.19M/s 4.21M/s 3.84M/s 3.8M/s 3.83M/s 512KiB 3.33M/s 2.59M/s 3.33M/s 3.26M/s 3.25M/s 3.27M/s 3.25M/s 3.27M/s 3.26M/s 3.23M/s 3.27M/s 3.25M/s 3.27M/s 3.26M/s 3.27M/s 3.25M/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench --findfat --fat-nr=16 /dev/mmcblk0 --erasesize=$[1024*2048] 2MiB 5.7M/s 11.3M/s 11.4M/s 5.04M/s 5.05M/s 5.08M/s 11.3M/s 11.4M/s 11.1M/s 10.1M/s 11.4M/s 11.4M/s 11.4M/s 11.4M/s 11.4M/s 11.3M/s 1MiB 11.3M/s 11.4M/s 11.3M/s 5.05M/s 5.01M/s 5.06M/s 11.3M/s 11.4M/s 11.2M/s 11.4M/s 11.4M/s 11.3M/s 11.3M/s 11.3M/s 11.4M/s 11.4M/s 512KiB 11.4M/s 11.4M/s 11.4M/s 5.06M/s 5.05M/s 5.06M/s 11.3M/s 11.4M/s 11.4M/s 11.3M/s 11.3M/s 11.3M/s 11.4M/s 11.4M/s 11.4M/s 11.4M/s 256KiB 11.1M/s 11.4M/s 11.4M/s 5.04M/s 2.69M/s 5.07M/s 11.4M/s 11.4M/s 11.4M/s 11.4M/s 11.3M/s 11.3M/s 11.4M/s 11.4M/s 11.4M/s 11.3M/s 128KiB 11.3M/s 11.4M/s 11.4M/s 5.05M/s 5.09M/s 5.01M/s 11.3M/s 11.3M/s 11.4M/s 11.4M/s 11.4M/s 11.4M/s 11.4M/s 11.4M/s 11.4M/s 11.4M/s

14 years, 7 months

1
0
0 0

Pls kindly check the new price for mobile phone

by Picasa Web Albums

Dear Friends and partners , Nice day to you! New items with great price mobile phone here come out, the lowest price is 10.95 USD. 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 Web size: www.oemmobile.com Factory Address: 5/F, Building 21, ChenTian Industrial Park, Shenzhen, GuangDong Province, China

14 years, 7 months

1
0
0 0

New cellphone with the best price

by Picasa Web Albums

Dear Friends and partners , Nice day to you! New items with great price mobile phone here come out, the lowest price is 10.95 USD. 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 Web size: www.oemmobile.com Factory Address: 5/F, Building 21, ChenTian Industrial Park, Shenzhen, GuangDong Province, China

14 years, 7 months

1
0
0 0

kingston SD10 class 10

by Arnd Bergmann

==> /sys/block/mmcblk0/device/block <== head: error reading `/sys/block/mmcblk0/device/block': Is a directory ==> /sys/block/mmcblk0/device/cid <== 4134325344384742300040014300ab00 ==> /sys/block/mmcblk0/device/csd <== 400e00325b5900003b4e7f800a400000 ==> /sys/block/mmcblk0/device/date <== 11/2010 ==> /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 <== 0x0 ==> /sys/block/mmcblk0/device/hwrev <== 0x3 ==> /sys/block/mmcblk0/device/manfid <== 0x000041 ==> /sys/block/mmcblk0/device/name <== SD8GB ==> /sys/block/mmcblk0/device/oemid <== 0x3432 ==> /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 <== 0x00400143 ==> /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=SD8GB MODALIAS=mmc:block Disk /dev/mmcblk0: 7960 MB, 7960264704 bytes 245 heads, 62 sectors/track, 1023 cylinders, total 15547392 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 * 62 15539369 7769654 c W95 FAT32 (LBA) Partition 1 has different physical/logical endings: phys=(1023, 244, 62) logical=(1022, 244, 62) arnd@klappe2:~/git/flashbench$ sudo ./flashbench -a /dev/mmcblk0 --blocksize=1024 --count=64 align 805306368 pre 832Âµs on 1.2ms post 853Âµs diff 359Âµs align 536870912 pre 854Âµs on 1.23ms post 869Âµs diff 364Âµs align 402653184 pre 814Âµs on 1.08ms post 895Âµs diff 225Âµs align 268435456 pre 927Âµs on 1.25ms post 888Âµs diff 342Âµs align 201326592 pre 748Âµs on 1.1ms post 896Âµs diff 273Âµs align 134217728 pre 770Âµs on 1.07ms post 886Âµs diff 242Âµs align 100663296 pre 734Âµs on 1.07ms post 886Âµs diff 262Âµs align 67108864 pre 809Âµs on 1.06ms post 879Âµs diff 217Âµs align 50331648 pre 855Âµs on 1.07ms post 888Âµs diff 200Âµs align 33554432 pre 831Âµs on 1.08ms post 897Âµs diff 216Âµs align 25165824 pre 866Âµs on 1.09ms post 890Âµs diff 214Âµs align 16777216 pre 807Âµs on 1.1ms post 888Âµs diff 256Âµs align 12582912 pre 785Âµs on 1.06ms post 854Âµs diff 243Âµs align 8388608 pre 787Âµs on 1.1ms post 878Âµs diff 266Âµs align 6291456 pre 1.06ms on 1.19ms post 863Âµs diff 229Âµs align 4194304 pre 720Âµs on 1.06ms post 862Âµs diff 265Âµs align 3145728 pre 1.05ms on 1.17ms post 856Âµs diff 218Âµs align 2097152 pre 1.05ms on 1.17ms post 853Âµs diff 218Âµs align 1572864 pre 1.05ms on 1.17ms post 855Âµs diff 219Âµs align 1048576 pre 1.05ms on 1.17ms post 855Âµs diff 216Âµs align 786432 pre 1.05ms on 1.17ms post 856Âµs diff 217Âµs align 524288 pre 1.06ms on 1.17ms post 854Âµs diff 217Âµs ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[4096*1024] --blocksize=1024 --open-au-nr=1 /dev/mmcblk0 4MiB 9.42M/s 2MiB 6.17M/s 1MiB 6.31M/s 512KiB 7.18M/s 256KiB 8.41M/s 128KiB 8.87M/s 64KiB 9.47M/s 32KiB 7M/s 16KiB 6.01M/s 8KiB 2.29M/s 4KiB 1.04M/s 2KiB 500K/s 1KiB 244K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[4096*1024] --blocksize=1024 --open-au-nr=1 /dev/mmcblk0 --random 4MiB 9.35M/s 2MiB 6.45M/s 1MiB 4.74M/s 512KiB 3.38M/s 256KiB 3.12M/s 128KiB 3.48M/s 64KiB 3.43M/s 32KiB 2.66M/s 16KiB 2.93M/s 8KiB 1.24M/s 4KiB 695K/s 2KiB 326K/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[4096*1024] --blocksize=1024 --open-au-nr=2 /dev/mmcblk0 4MiB 6.69M/s 2MiB 9.32M/s 1MiB 9.5M/s 512KiB 9.49M/s 256KiB 9.51M/s 128KiB 9.5M/s 64KiB 9.49M/s 32KiB 7M/s 16KiB 6.04M/s 8KiB 1.91M/s 4KiB 1.04M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[4096*1024] --blocksize=1024 --open-au-nr=7 /dev/mmcblk0 4MiB 9.32M/s 2MiB 9.48M/s 1MiB 9.5M/s 512KiB 9.49M/s 256KiB 9.5M/s 128KiB 9.3M/s 64KiB 9.38M/s 32KiB 6.93M/s 16KiB 6M/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[4096*1024] --blocksize=1024 --open-au-nr=8 /dev/mmcblk0 4MiB 9.33M/s 2MiB 7.18M/s 1MiB 5.83M/s 512KiB 9.48M/s 256KiB 9.48M/s 128KiB 9.49M/s 64KiB 9.49M/s 32KiB 7.03M/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[4096*1024] --blocksize=1024 --open-au-nr=9 /dev/mmcblk0 4MiB 8.92M/s 2MiB 4.85M/s 1MiB 4.6M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[4096*1024] --blocksize=1024 --open-au-nr=9 /dev/mmcblk0 4MiB 8.92M/s 2MiB 4.85M/s 1MiB 4.6M/s 512KiB 1.8M/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[4096*1024] --blocksize=1024 --open-au-nr=4 /dev/mmcblk0 --random 4MiB 9.4M/s 2MiB 4.18M/s 1MiB 4.69M/s 512KiB 3.6M/s 256KiB 2.85M/s 128KiB 3.54M/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[4096*1024] --blocksize=1024 --open-au-nr=8 /dev/mmcblk0 --random 4MiB 8.29M/s 2MiB 4.42M/s 1MiB 2.81M/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[4096*1024] --blocksize=1024 --open-au-nr=5 /dev/mmcblk0 --random 4MiB 9.37M/s 2MiB 4.63M/s 1MiB 3.72M/s 512KiB 2.29M/s 256KiB 922K/s arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[2048*1024] --blocksize=1024 --open-au-nr=5 /dev/mmcblk0 --random 2MiB 9.58M/s 1MiB 3.47M/s 512KiB 2M/s 256KiB 855K/s ^C

14 years, 7 months

1
0
0 0

Kingston SD4 class 4 (made in taiwan)

by Arnd Bergmann

==> /sys/block/mmcblk0/device/block <== head: error reading `/sys/block/mmcblk0/device/block': Is a directory ==> /sys/block/mmcblk0/device/cid <== 02544d53413038470611a1a35b00ab00 ==> /sys/block/mmcblk0/device/csd <== 400e00325b59000039af7f800a400000 ==> /sys/block/mmcblk0/device/date <== 11/2010 ==> /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 <== 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 <== 0x11a1a35b ==> /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 Disk /dev/mmcblk0: 7742 MB, 7742685184 bytes 4 heads, 16 sectors/track, 236288 cylinders, total 15122432 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 15122431 4871168 b W95 FAT32 arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[4096*1024] --blocksize=1024 --open-au-nr=1 /dev/mmcblk0 4MiB 4.87M/s 2MiB 2.67M/s 1MiB 2.66M/s 512KiB 2.67M/s 256KiB 2.7M/s 128KiB 2.67M/s 64KiB 4.79M/s 32KiB 4.79M/s 16KiB 3.69M/s 8KiB 3.02M/s 4KiB 2.26M/s 2KiB 23.4K/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[4096*1024] --blocksize=1024 --open-au-nr=2 /dev/mmcblk0 4MiB 5.1M/s 2MiB 2.94M/s 1MiB 1.46M/s 512KiB 744K/s 256KiB 377K/s 128KiB 191K/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench --open-au --erasesize=$[4096*1024] --blocksize=1024 --open-au-nr=1 /dev/mmcblk0 --random 4MiB 3.22M/s 2MiB 1.59M/s 1MiB 1.49M/s 512KiB 595K/s 256KiB 331K/s 128KiB 151K/s ^C arnd@klappe2:~/git/flashbench$ sudo ./flashbench --findfat --erasesize=$[4096*1024] --blocksize=1024 --fat-nr=5 /dev/mmcblk0 --random 4MiB 4.69M/s 4.47M/s 3.19M/s 4.83M/s 4.83M/s 2MiB 4.71M/s 4.49M/s 2.08M/s 1.87M/s 1.85M/s 1MiB 4.74M/s 4.51M/s 1.18M/s 1.14M/s 1.14M/s ^C

14 years, 7 months

1
0
0 0

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, 7 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, 7 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, 7 months

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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, 7 months

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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, 7 months

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