Energieverbruik
Het energieverbruik is hoog voor een USB 2.0 micro USB stick, zonder lees/schrijfactiviteit meet de LMG95 energiemeter zo'n 229 mW en 45,1 mA.
[img]iDOJhOw8[/img]
Prestaties: CrystalDiskMark
[img=396]3B8Naidq[/img]
* MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s]
* KB = 1000 bytes, KiB = 1024 bytes
Sequential Read (Q= 32,T= 1) : 22.979 MB/s
Sequential Write (Q= 32,T= 1) : 6.032 MB/s
Random Read 4KiB (Q= 32,T= 1) : 3.516 MB/s [ 858.4 IOPS]
Random Write 4KiB (Q= 32,T= 1) : 0.003 MB/s [ 0.7 IOPS]
Sequential Read (T= 1) : 22.875 MB/s
Sequential Write (T= 1) : 6.504 MB/s
Random Read 4KiB (Q= 1,T= 1) : 3.195 MB/s [ 780.0 IOPS]
Random Write 4KiB (Q= 1,T= 1) : 0.004 MB/s [ 1.0 IOPS]
Test : 1024 MiB [E: 0.0% (0.0/7664.0 MiB)] (x5) [Interval=5 sec]
Prestaties: dd
$ dd if=/dev/zero of=./INTENSO/emptybunchofzeros.bin bs=1048576 count=8192
4,70 megabytes/sec
Prestaties: Xbench
Uncached
Sequential
write
4K blokken: 4,69 MB/sec
256K blokken: 4,15 MB/sec
read
4K blokken: 5,37 MB/sec
256K blokken: 29,04 MB/sec
Random
write
4K blokken: 0,01 MB/sec !!!
256K blokken: 0,23 MB/sec
read
4K blokken: 3,44 MB/sec
256K blokken: 28,25 MB/sec
ChipGenius v4.00.1024 (2015)
Protocal Version: USB 2.00
Current Speed: High Speed
Max Current: 500mA
USB Device ID: VID = 090C PID = 1000
Device Vendor: SMI Corporation
Device Name: USB DISK
Device Revision: 1100
Manufacturer: SMI
Product Model: USB DISK
Product Revision: 1100
Controller Vendor: SMI
Controller Part-Number: SM3259AA - ISP 151222-DG1
Flash ID code: 454C98A3 - SanDisk - 1CE/Single Channel [TLC] -> Total Capacity =
16GB-> 8GB
Flash drive information extractor 8.7.0.597
Controller: Silicon Motion SM3259 AB
Possible Memory Chip(s): Not available
Flash ID: 454C98A3 7651
Flash CE: 1
Chip F/W: ISP 151222-DG1
MP: ::::0::
MPTOOL Ver.: 15.12.16
VID: 090C
PID: 1000
Manufacturer: SMI Corporation
Product: USB DISK
Query Vendor ID: SMI
Query Product ID: USB DISK
Query Product Revision: 1100
Physical Disk Capacity: 8053063680 Bytes
Windows Disk Capacity: 8036257792 Bytes
Internal Tags: QTAR-9Z3G
File System: FAT32
Relative Offset: 28 KB
USB Version: 2.00
Declared Power: 500 mA
ContMeas ID: FF44-02-0F
Flashbench
$ sudo flashbench -a /dev/sdb --blocksize=1024
align 2147483648 pre 762µs on 1.02ms post 927µs diff 172µs
align 1073741824 pre 804µs on 1.04ms post 928µs diff 174µs
align 536870912 pre 672µs on 907µs post 797µs diff 173µs
align 268435456 pre 675µs on 865µs post 796µs diff 130µs
align 134217728 pre 675µs on 862µs post 798µs diff 125µs
align 67108864 pre 672µs on 865µs post 797µs diff 131µs
align 33554432 pre 673µs on 864µs post 799µs diff 128µs
align 16777216 pre 703µs on 925µs post 849µs diff 149µs
align 8388608 pre 704µs on 927µs post 857µs diff 147µs
align 4194304 pre 704µs on 928µs post 854µs diff 149µs
align 2097152 pre 703µs on 927µs post 854µs diff 149µs
align 1048576 pre 711µs on 908µs post 859µs diff 123µs
align 524288 pre 712µs on 906µs post 854µs diff 122µs
align 262144 pre 711µs on 910µs post 857µs diff 126µs
align 131072 pre 712µs on 909µs post 855µs diff 125µs
align 65536 pre 710µs on 910µs post 858µs diff 126µs
align 32768 pre 711µs on 909µs post 856µs diff 126µs
align 16384 pre 710µs on 907µs post 857µs diff 124µs
align 8192 pre 787µs on 788µs post 783µs diff 2.22µs
align 4096 pre 822µs on 818µs post 814µs diff -111ns
align 2048 pre 841µs on 839µs post 836µs diff 1.04µs
open AUs
Linear: 3
$ sudo flashbench -O --erasesize=$[4 * 1024 * 1024] --blocksize=$[256 * 1024] /dev/sdb --open-au-nr=1
4MiB 17.3M/s
2MiB 16.7M/s
1MiB 16M/s
512KiB 15.5M/s
256KiB 14.6M/s
$ sudo flashbench -O --erasesize=$[4 * 1024 * 1024] --blocksize=$[256 * 1024] /dev/sdb --open-au-nr=2
4MiB 4.61M/s
2MiB 17.2M/s
1MiB 16.7M/s
512KiB 16.1M/s
256KiB 14.9M/s
$ sudo flashbench -O --erasesize=$[4 * 1024 * 1024] --blocksize=$[256 * 1024] /dev/sdb --open-au-nr=3
4MiB 17.3M/s
2MiB 17M/s
1MiB 16.9M/s
512KiB 16.2M/s
256KiB 15M/s
$ sudo flashbench -O --erasesize=$[4 * 1024 * 1024] --blocksize=$[256 * 1024] /dev/sdb --open-au-nr=4
4MiB 2.59M/s
2MiB 2.17M/s
1MiB 1.42M/s
512KiB 1.42M/s
256KiB 1.41M/s
Random: 3
$ sudo flashbench -O --erasesize=$[4 * 1024 * 1024] --blocksize=$[256 * 1024] /dev/sdb --open-au-nr=3 --random
4MiB 17.9M/s
2MiB 16.5M/s
1MiB 16.9M/s
512KiB 16M/s
256KiB 15M/s
$ sudo flashbench -O --erasesize=$[4 * 1024 * 1024] --blocksize=$[256 * 1024] /dev/sdb --open-au-nr=4 --random
4MiB 3.33M/s
2MiB 2.64M/s