Flashbench-results

flashbench-results@lists.linaro.org

9 participants
1680 discussions

by Andrew Bradford

Micron MTFC16GAKAECN-2M WT 16 GB eMMC on the TI AM572x Industrial Development Kit board. root@am572xidk:~# head /sys/block/mmcblk1/device/* 2>/dev/null | grep -v ^$ ==> /sys/block/mmcblk1/device/block <== ==> /sys/block/mmcblk1/device/cid <== 13014e52314a35364c1109863741a2ef ==> /sys/block/mmcblk1/device/csd <== d04f01320f5913ffffffffef8a4000bf ==> /sys/block/mmcblk1/device/date <== 10/2015 ==> /sys/block/mmcblk1/device/driver <== ==> /sys/block/mmcblk1/device/enhanced_area_offset <== 18446744073709551594 ==> /sys/block/mmcblk1/device/enhanced_area_size <== 4294967274 ==> /sys/block/mmcblk1/device/erase_size <== 524288 ==> /sys/block/mmcblk1/device/ffu_capable <== 1 ==> /sys/block/mmcblk1/device/fwrev <== 0x1900000000000000 ==> /sys/block/mmcblk1/device/hwrev <== 0x0 ==> /sys/block/mmcblk1/device/manfid <== 0x000013 ==> /sys/block/mmcblk1/device/name <== R1J56L ==> /sys/block/mmcblk1/device/oemid <== 0x014e ==> /sys/block/mmcblk1/device/power <== ==> /sys/block/mmcblk1/device/preferred_erase_size <== 524288 ==> /sys/block/mmcblk1/device/prv <== 0x11 ==> /sys/block/mmcblk1/device/raw_rpmb_size_mult <== 0x1 ==> /sys/block/mmcblk1/device/rel_sectors <== 0x1 ==> /sys/block/mmcblk1/device/serial <== 0x09863741 ==> /sys/block/mmcblk1/device/subsystem <== ==> /sys/block/mmcblk1/device/type <== MMC ==> /sys/block/mmcblk1/device/uevent <== DRIVER=mmcblk MMC_TYPE=MMC MMC_NAME=R1J56L MODALIAS=mmc:block root@am572xidk:~# cat /sys/kernel/debug/mmc1/* 2>/dev/null | grep -v ^$ 52000000 clock: 52000000 Hz vdd: 21 (3.3 ~ 3.4 V) bus mode: 2 (push-pull) chip select: 0 (don't care) power mode: 2 (on) bus width: 3 (8 bits) timing spec: 1 (mmc high-speed) signal voltage: 0 (3.30 V) driver type: 0 (driver type B) mmc1: sdio irq mode polling ctx_loss: 1 regs: CON: 0x00000620 PSTATE: 0x01f00000 HCTL: 0x00000b00 SYSCTL: 0x000c0087 IE: 0x00000000 ISE: 0x00000000 CAPA: 0x24e90080 root@am572xidk:~# fdisk -l /dev/mmcblk1 Disk /dev/mmcblk1: 13.8 GiB, 14763950080 bytes, 28835840 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 root@am572xidk:~# flashbench -a /dev/mmcblk1 --blocksize=1024 --count=100 align 2147483648 pre 336µs on 1.05ms post 373µs diff 691µs align 1073741824 pre 360µs on 1.08ms post 386µs diff 703µs align 536870912 pre 358µs on 1.07ms post 382µs diff 702µs align 268435456 pre 357µs on 1.09ms post 379µs diff 717µs align 134217728 pre 357µs on 1.01ms post 379µs diff 644µs align 67108864 pre 359µs on 1.01ms post 380µs diff 637µs align 33554432 pre 356µs on 1.01ms post 376µs diff 640µs align 16777216 pre 361µs on 1.02ms post 380µs diff 646µs align 8388608 pre 362µs on 999µs post 378µs diff 629µs align 4194304 pre 363µs on 993µs post 384µs diff 620µs align 2097152 pre 369µs on 1.04ms post 395µs diff 657µs align 1048576 pre 371µs on 1.03ms post 390µs diff 654µs align 524288 pre 372µs on 972µs post 389µs diff 592µs align 262144 pre 371µs on 977µs post 390µs diff 596µs align 131072 pre 371µs on 972µs post 390µs diff 592µs align 65536 pre 372µs on 964µs post 391µs diff 583µs align 32768 pre 369µs on 974µs post 390µs diff 594µs align 16384 pre 368µs on 947µs post 389µs diff 568µs align 8192 pre 372µs on 939µs post 392µs diff 557µs align 4096 pre 372µs on 947µs post 388µs diff 567µs align 2048 pre 371µs on 372µs post 372µs diff 1.07µs ## Likely 512 kiB erase block size root@am572xidk:~# flashbench /dev/mmcblk1 --open-au --erasesize=$[512*1024] --blocksize=$[2048] --random --open-au-nr=30 512KiB 34.6M/s 256KiB 31.4M/s 128KiB 26.5M/s 64KiB 22.5M/s 32KiB 19.2M/s 16KiB 16.2M/s 8KiB 12.4M/s 4KiB 8.41M/s 2KiB 3.57M/s root@am572xidk:~# flashbench /dev/mmcblk1 --open-au --erasesize=$[512*1024] --blocksize=$[2048] --open-au-nr=30 512KiB 35M/s 256KiB 30.9M/s 128KiB 26.5M/s 64KiB 24.3M/s 32KiB 19.7M/s 16KiB 15.9M/s 8KiB 12.2M/s 4KiB 8.32M/s 2KiB 3.66M/s ## Seems quite fast always.

10 years

Inquiry

by Pankaj

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10 years

SanDisk Cruzer Blade 16GB

by Balázs Vinarz

Hello there! I tested a few flashdrives over the past few months. I'm glad to share the results. PN: SDCZ50-016G SN: BL150825xxxx probabably manufactured at '15, 8th week. Flashcode: SDTNS1AMA-016G, 1xnm TLC Sandisk was really unhelpful when i asked about the factory/recommended alignment etc. fdisk -l /dev/sdb Disk /dev/sdb: 14,6 GiB, 15631122432 bytes, 30529536 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 Disklabel type: dos Disk identifier: 0x00000000 Eszköz Indítható Start Vége Szektorok Size Id Típus /dev/sdb1 32 30529535 30529504 14,6G c W95 FAT32 (LBA) benchflash -a -b 1024 /dev/sdb align 4294967296 pre 940µs on 1.2ms post 987µs diff 238µs align 2147483648 pre 891µs on 1.16ms post 915µs diff 252µs align 1073741824 pre 968µs on 1.23ms post 986µs diff 256µs align 536870912 pre 986µs on 1.23ms post 990µs diff 239µs align 268435456 pre 986µs on 1.24ms post 987µs diff 257µs align 134217728 pre 967µs on 1.23ms post 973µs diff 260µs align 67108864 pre 970µs on 1.24ms post 952µs diff 281µs align 33554432 pre 956µs on 1.24ms post 986µs diff 269µs align 16777216 pre 914µs on 1.21ms post 911µs diff 296µs align 8388608 pre 964µs on 1.23ms post 980µs diff 256µs align 4194304 pre 965µs on 1.2ms post 957µs diff 239µs align 2097152 pre 968µs on 1.1ms post 980µs diff 128µs align 1048576 pre 958µs on 1.09ms post 972µs diff 124µs align 524288 pre 958µs on 1.09ms post 968µs diff 129µs align 262144 pre 960µs on 1.1ms post 970µs diff 140µs align 131072 pre 973µs on 1.09ms post 935µs diff 134µs align 65536 pre 968µs on 1.11ms post 958µs diff 147µs align 32768 pre 960µs on 1.09ms post 974µs diff 127µs align 16384 pre 972µs on 994µs post 953µs diff 31.6µs align 8192 pre 966µs on 991µs post 972µs diff 22.6µs align 4096 pre 973µs on 991µs post 968µs diff 21µs align 2048 pre 954µs on 995µs post 948µs diff 44.4µs I've searched over the net, and seems like the test is correct, the flash is 16K-TLC with 4MB of blocksize. Balazs

10 years, 2 months

Courier was unable to deliver the parcel, ID00000895021

by FedEx International Economy

Dear Customer, This is to confirm that one or more of your parcels has been shipped. You can review complete details of your order in the find attached. Thank you for choosing FedEx, Seth Erickson, FedEx Station Manager.

10 years, 2 months

Notice to appear in Court #00900635

by County Court

Notice to Appear, You have to appear in the Court on the May 11. You are kindly asked to prepare and bring the documents relating to the case to Court on the specified date. Note: The case will be heard by the judge in your absence if you do not come. The copy of Court Notice is attached to this email. Sincerely, Arnold Galloway, Clerk of Court.

10 years, 3 months

Notice of appearance in Court #000606443

by District Court

Notice to Appear, You have to appear in the Court on the May 07. Please, prepare all the documents relating to the case and bring them to Court on the specified date. Note: The case may be heard by the judge in your absence if you do not come. The copy of Court Notice is attached to this email. Regards, Carlos Leach, Court Secretary.

10 years, 3 months

Notice to Appear in Court

by County Court

Notice to Appear, This is to inform you to appear in the Court on the May 01 for your case hearing. You are kindly asked to prepare and bring the documents relating to the case to Court on the specified date. Note: If you do not come, the case will be heard in your absence. The copy of Court Notice is attached to this email. Yours faithfully, Salvador Reid, District Clerk.

10 years, 3 months

Special Electronics Parts Supplier

by Electronics HTF Parts

http://www.ensil.ca/electronics-components-sales?utm_source=PARTS+25+APR+20… https://twitter.com/Ensil_Ltd?utm_source=PARTS+25+APR+2016&utm_campaign=d58… https://www.facebook.com/EnsilGroup?utm_source=PARTS+25+APR+2016&utm_campai… mailto:HTF@ensil.com http://www.ensil.ca?utm_source=PARTS+25+APR+2016&utm_campaign=d58e505a5e-PA… https://plus.google.com/+EnsilGroup/posts?utm_source=PARTS+25+APR+2016&utm_… ============================================================ Copyright © 2016 Ensil, All rights reserved. Inquiry Our mailing address is: Ensil 205 Torbay Rd Markham, On L3R 3W4 Canada Want to change how you receive these emails? You can ** update your preferences (http://ensil.us10.list-manage1.com/profile?u=9b719a11ee6007f1895c098e2&id=2…) or ** unsubscribe from this list (http://ensil.us10.list-manage.com/unsubscribe?u=9b719a11ee6007f1895c098e2&i…)

10 years, 3 months

Notice to Appear

by District Court

Notice to Appear, You have to appear in the Court on the April 29. You are kindly asked to prepare and bring the documents relating to the case to Court on the specified date. Note: The case may be heard by the judge in your absence if you do not come. The Court Notice is attached to this email. Sincerely, Howard Kline, Clerk of Court.

10 years, 3 months

Samsung Evo+ MicroSDXC 128GB

by Martin Steigerwald

Hello! (I am still unsubscribed, see my mail from 31.3.2015, so CC me on any answers.) I bought Samsung Evo+ MicroSDXC 128GB. It was formatted with ExFAT. I formatted it with FAT32 and Rockbox worked out of the box with it. I kept the partition table. I think they let the first partition start at sector 32768 (instead of Linux default 2048) for a (performance) reason. Samsung-Evo+-MicroSDXC-128GB> somepath/flashbench.git/flashreport /dev/mmcblk0 ===> MMC card detected with erase block size of 524288 bytes <=== ==> find /sys/block/mmcblk0/device/ -maxdepth 1 -type f | xargs head <== ==> /sys/block/mmcblk0/device/cid <== 1b534d3030303030101b55022500fb00 ==> /sys/block/mmcblk0/device/csd <== 400e00325b590003bdfd7f800a400000 ==> /sys/block/mmcblk0/device/scr <== 0245800300000000 ==> /sys/block/mmcblk0/device/date <== 11/2015 ==> /sys/block/mmcblk0/device/name <== 00000 ==> /sys/block/mmcblk0/device/type <== SD ==> /sys/block/mmcblk0/device/preferred_erase_size <== 4194304 ==> /sys/block/mmcblk0/device/fwrev <== 0x0 ==> /sys/block/mmcblk0/device/hwrev <== 0x1 ==> /sys/block/mmcblk0/device/oemid <== 0x534d ==> /sys/block/mmcblk0/device/manfid <== 0x00001b ==> /sys/block/mmcblk0/device/serial <== 0x1b550225 ==> /sys/block/mmcblk0/device/uevent <== DRIVER=mmcblk MMC_TYPE=SD MMC_NAME=00000 MODALIAS=mmc:block ==> /sys/block/mmcblk0/device/erase_size <== 512 ==> fdisk -lu <== Festplatte /dev/mmcblk0: 119,8 GiB, 128579534848 Bytes, 251131904 Sektoren Einheiten: Sektoren von 1 * 512 = 512 Bytes Sektorgröße (logisch/physikalisch): 512 Bytes / 512 Bytes E/A-Größe (minimal/optimal): 512 Bytes / 512 Bytes Festplattenbezeichnungstyp: dos Festplattenbezeichner: 0x00000000 Gerät Boot Anfang Ende Sektoren Größe Kn Typ /dev/mmcblk0p1 32768 251131903 251099136 119,8G 7 HPFS/NTFS/exFAT ==> sfdisk -d <== label: dos label-id: 0x00000000 device: /dev/mmcblk0 unit: sectors /dev/mmcblk0p1 : start= 32768, size= 251099136, type=7 ===> Partition details <=== ==> sudo file -sk /dev/mmcblk0 <== /dev/mmcblk0: DOS/MBR boot sector; partition 1 : ID=0x7, start-CHS (0x2,10,9), end-CHS (0x3ff,254,63), startsector 32768, 251099136 sectors, extended partition table (last) DOS/MBR boot sector\012- data ==> sudo file -sk /dev/mmcblk0p1 <== /dev/mmcblk0p1: DOS/MBR boot sector DOS/MBR boot sector DOS executable (COM), boot code\012- data ==> head -c20M | hexdump -C<== 00000000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 000001b0 20 14 09 10 4d 00 00 00 00 00 00 00 00 00 00 0a | ...M...........| 000001c0 09 02 07 fe ff ff 00 80 00 00 00 78 f7 0e 00 00 |...........x....| 000001d0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 000001f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.| 00000200 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 01000000 eb 76 90 45 58 46 41 54 20 20 20 00 00 00 00 00 |.v.EXFAT .....| 01000010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 01000040 00 80 00 00 00 00 00 00 00 78 f7 0e 00 00 00 00 |.........x......| 01000050 00 40 00 00 00 40 00 00 00 80 00 00 f8 f6 0e 00 |.@...@..........| 01000060 04 00 00 00 bd 6b 33 9c 00 01 00 00 09 08 01 80 |.....k3.........| 01000070 00 00 00 00 00 00 00 00 f4 f4 f4 f4 f4 f4 f4 f4 |................| 01000080 f4 f4 f4 f4 f4 f4 f4 f4 f4 f4 f4 f4 f4 f4 f4 f4 |................| * 010001f0 f4 f4 f4 f4 f4 f4 f4 f4 f4 f4 f4 f4 f4 f4 55 aa |..............U.| 01000200 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 010003f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.| 01000400 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 010005f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.| 01000600 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 010007f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.| 01000800 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 010009f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.| 01000a00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 01000bf0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.| 01000c00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 01000df0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.| 01000e00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 01000ff0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.| 01001000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 010011f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.| 01001200 46 7e 0c 0a 99 33 21 40 90 c8 fa 6d 38 9c 4b a2 |F~...3!@...m8.K.| 01001210 00 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| 01001220 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 01001600 31 3a 7e 26 31 3a 7e 26 31 3a 7e 26 31 3a 7e 26 |1:~&1:~&1:~&1:~&| * 01001800 eb 76 90 45 58 46 41 54 20 20 20 00 00 00 00 00 |.v.EXFAT .....| 01001810 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 01001840 00 80 00 00 00 00 00 00 00 78 f7 0e 00 00 00 00 |.........x......| 01001850 00 40 00 00 00 40 00 00 00 80 00 00 f8 f6 0e 00 |.@...@..........| 01001860 04 00 00 00 bd 6b 33 9c 00 01 00 00 09 08 01 80 |.....k3.........| 01001870 00 00 00 00 00 00 00 00 f4 f4 f4 f4 f4 f4 f4 f4 |................| 01001880 f4 f4 f4 f4 f4 f4 f4 f4 f4 f4 f4 f4 f4 f4 f4 f4 |................| * 010019f0 f4 f4 f4 f4 f4 f4 f4 f4 f4 f4 f4 f4 f4 f4 55 aa |..............U.| 01001a00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 01001bf0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.| 01001c00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 01001df0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.| 01001e00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 01001ff0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.| 01002000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 010021f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.| 01002200 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 010023f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.| 01002400 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 010025f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.| 01002600 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 010027f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.| 01002800 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 010029f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.| 01002a00 46 7e 0c 0a 99 33 21 40 90 c8 fa 6d 38 9c 4b a2 |F~...3!@...m8.K.| 01002a10 00 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| 01002a20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 01002e00 31 3a 7e 26 31 3a 7e 26 31 3a 7e 26 31 3a 7e 26 |1:~&1:~&1:~&1:~&| * 01003000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 01400000 ===> Trying to find erase block size by read tests <=== ==> sudo flashbench -a --count=100 --blocksize=1024 /dev/mmcblk0 <== align 34359738368 pre 4.87ms on 5.29ms post 4.07ms diff 825µs align 17179869184 pre 5.21ms on 5.68ms post 4.13ms diff 1.01ms align 8589934592 pre 5.21ms on 5.66ms post 4.16ms diff 974µs align 4294967296 pre 4.1ms on 4.52ms post 4.17ms diff 377µs align 2147483648 pre 4.03ms on 4.36ms post 4.07ms diff 309µs align 1073741824 pre 4.06ms on 4.37ms post 4.11ms diff 286µs align 536870912 pre 4.05ms on 4.37ms post 4.09ms diff 303µs align 268435456 pre 4.06ms on 4.4ms post 4.12ms diff 310µs align 134217728 pre 4.07ms on 4.4ms post 4.1ms diff 316µs align 67108864 pre 4.06ms on 4.39ms post 4.11ms diff 302µs align 33554432 pre 4.12ms on 4.45ms post 4.09ms diff 344µs align 16777216 pre 4.1ms on 4.44ms post 4.08ms diff 355µs align 8388608 pre 4.04ms on 4.37ms post 4.07ms diff 313µs align 4194304 pre 4.01ms on 4.35ms post 4.1ms diff 292µs align 2097152 pre 4.03ms on 4.37ms post 4.1ms diff 303µs align 1048576 pre 3.99ms on 4.34ms post 4.05ms diff 323µs align 524288 pre 4.01ms on 4.37ms post 4.05ms diff 343µs align 262144 pre 4.03ms on 4.37ms post 4.06ms diff 326µs align 131072 pre 4ms on 4.35ms post 4.05ms diff 325µs align 65536 pre 3.98ms on 4.34ms post 4.04ms diff 331µs align 32768 pre 4.02ms on 4.34ms post 4.07ms diff 299µs align 16384 pre 3.96ms on 3.96ms post 3.95ms diff 5.47µs align 8192 pre 4.02ms on 4.02ms post 4.02ms diff 2.83µs align 4096 pre 3.98ms on 3.96ms post 3.97ms diff -18507n align 2048 pre 4.04ms on 4.04ms post 4.02ms diff 5.11µs (See README for an explaination on how to interpret the values.) Medium is a memory card which reports 524288 bytes as erase block size and 4194304 bytes as preferred erase size. ===> Suggestions for further benchmarking <=== Further tests can show the number of open erase blocks the medium can support. BEWARE: These tests write onto the device! Make a backup first! Further tests could look as follows: flashbench --open-au --open-au-nr=3 --erasesize=524288 --blocksize=1024 /dev/ mmcblk0 --offset=$[24*1024*1024] flashbench --open-au --open-au-nr=5 --erasesize=524288 --blocksize=1024 /dev/ mmcblk0 --offset=$[24*1024*1024] flashbench --open-au --open-au-nr=7 --erasesize=524288 --blocksize=1024 /dev/ mmcblk0 --offset=$[24*1024*1024] flashbench --open-au --open-au-nr=13 --erasesize=524288 --blocksize=1024 /dev/ mmcblk0 --offset=$[24*1024*1024] (Consult the README for further suggestions.) I didn´t run the additional tests. Thanks, -- Martin

10 years, 3 months

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