recommended micro sd card ?
#73
Hi I just tested my sdcard that came with the Pine (16GB) and a Samsung EVO 64GB using a fresh Ubuntu base image, the lastest longsleep kernel (3.10.102-0-pine64-longsleep) , cpufreq governor set to performance and no modifications to the default ext4 fs options:  iozone -e -I -a -s 100M -r 4k -r 16k -r 512k -r 1024k -r 16384k -i 0 -i 1 -i 2

Pine64 Card:

Code:
       Iozone: Performance Test of File I/O
               Version $Revision: 3.429 $
               Compiled for 64 bit mode.
               Build: linux

       Run began: Sat Jun 18 10:57:35 2016

       Include fsync in write timing
       O_DIRECT feature enabled
       Auto Mode
       File size set to 102400 kB
       Record Size 4 kB
       Record Size 16 kB
       Record Size 512 kB
       Record Size 1024 kB
       Record Size 16384 kB
       Command line used: iozone -e -I -a -s 100M -r 4k -r 16k -r 512k -r 1024k -r 16384k -i 0 -i 1 -i 2
       Output is in kBytes/sec
       Time Resolution = 0.000001 seconds.
       Processor cache size set to 1024 kBytes.
       Processor cache line size set to 32 bytes.
       File stride size set to 17 * record size.
                                                             random    random     bkwd    record    stride
             kB  reclen    write  rewrite    read    reread    read     write     read   rewrite      read   fwrite frewrite    fread  freread
         102400       4     1089     1639     6205     6200     6084      861
         102400      16     4487     5281    16132    16142    15479     3042
         102400     512    11815    13298    23110    23115    23096     9730
         102400    1024    12785    12821    23101    23133    23127     9972
         102400   16384    12869    12833    23200    23204    23203    11373

iozone test complete.


Samsung EVO 64GB:

Code:
       Iozone: Performance Test of File I/O
               Version $Revision: 3.429 $
               Compiled for 64 bit mode.
               Build: linux

       Run began: Sat Jun 18 11:16:53 2016

       Include fsync in write timing
       O_DIRECT feature enabled
       Auto Mode
       File size set to 102400 kB
       Record Size 4 kB
       Record Size 16 kB
       Record Size 512 kB
       Record Size 1024 kB
       Record Size 16384 kB
       Command line used: iozone -e -I -a -s 100M -r 4k -r 16k -r 512k -r 1024k -r 16384k -i 0 -i 1 -i 2
       Output is in kBytes/sec
       Time Resolution = 0.000001 seconds.
       Processor cache size set to 1024 kBytes.
       Processor cache line size set to 32 bytes.
       File stride size set to 17 * record size.
                                                             random    random     bkwd    record    stride
             kB  reclen    write  rewrite    read    reread    read     write     read   rewrite      read   fwrite frewrite    fread  freread
         102400       4     2340     3036     6793     6788     6827     3094
         102400      16     8928    10921    13699    13680    13701    11189
         102400     512    15670    15867    22157    21623    21658    17665
         102400    1024    14191    17536    22134    21658    21944    18878
         102400   16384    16842    18374    21611    21916    21188    17114

iozone test complete.


As you can see the Samsung card performs better for sequential reads/writes especially for small record sizes, and more importantly for random writes. I will test the EVO64 some more...

Samsung EVO 64GB with data=writeback option set: sudo tune2fs -o journal_data_writeback /dev/mmcblk0p2

Code:
ubuntu@pine64:~$ iozone -e -I -a -s 100M -r 4k -r 16k -r 512k -r 1024k -r 16384k -i 0 -i 1 -i 2
       Iozone: Performance Test of File I/O
               Version $Revision: 3.429 $
               Compiled for 64 bit mode.
               Build: linux

       Run began: Sat Jun 18 11:29:59 2016

       Include fsync in write timing
       O_DIRECT feature enabled
       Auto Mode
       File size set to 102400 kB
       Record Size 4 kB
       Record Size 16 kB
       Record Size 512 kB
       Record Size 1024 kB
       Record Size 16384 kB
       Command line used: iozone -e -I -a -s 100M -r 4k -r 16k -r 512k -r 1024k -r 16384k -i 0 -i 1 -i 2
       Output is in kBytes/sec
       Time Resolution = 0.000001 seconds.
       Processor cache size set to 1024 kBytes.
       Processor cache line size set to 32 bytes.
       File stride size set to 17 * record size.
                                                             random    random     bkwd    record    stride
             kB  reclen    write  rewrite    read    reread    read     write     read   rewrite      read   fwrite frewrite    fread  freread
         102400       4     2319     3321     7347     7363     7357     3526
         102400      16    10166    12550    14464    14432    14471    12570
         102400     512    21591    21566    23143    23140    23139    21616
         102400    1024    21653    21565    23097    23100    23098    21645
         102400   16384    21678    21662    23084    23082    23082    21690

iozone test complete.
Come have a chat in the Pine IRC channel >>


Messages In This Thread
recommended micro sd card ? - by mronhb - 01-24-2016, 06:10 PM
RE: recommended micro sd card ? - by Ghost - 01-24-2016, 07:29 PM
RE: recommended micro sd card ? - by mronhb - 01-24-2016, 09:44 PM
RE: recommended micro sd card ? - by fire219 - 01-25-2016, 09:14 PM
RE: recommended micro sd card ? - by mronhb - 01-26-2016, 05:00 PM
RE: recommended micro sd card ? - by Icon5585 - 01-27-2016, 09:37 AM
RE: recommended micro sd card ? - by Ghost - 01-27-2016, 09:51 AM
RE: recommended micro sd card ? - by SkimMilk - 01-28-2016, 06:04 PM
RE: recommended micro sd card ? - by tllim - 01-28-2016, 07:43 PM
RE: recommended micro sd card ? - by SkimMilk - 01-31-2016, 01:20 AM
RE: recommended micro sd card ? - by NoahJ - 03-02-2016, 05:42 PM
RE: recommended micro sd card ? - by benpope81 - 03-02-2016, 06:39 PM
RE: recommended micro sd card ? - by tllim - 03-02-2016, 10:58 PM
RE: recommended micro sd card ? - by benpope81 - 03-02-2016, 11:38 PM
RE: recommended micro sd card ? - by thtroyer - 03-15-2016, 04:43 PM
RE: recommended micro sd card ? - by SkimMilk - 03-17-2016, 09:19 AM
RE: recommended micro sd card ? - by tllim - 03-17-2016, 09:30 AM
RE: recommended micro sd card ? - by SkimMilk - 03-17-2016, 10:04 AM
RE: recommended micro sd card ? - by Kevydee - 04-11-2016, 03:22 PM
RE: recommended micro sd card ? - by Zoltrix - 03-18-2016, 05:59 AM
RE: recommended micro sd card ? - by Ghost - 03-18-2016, 06:02 AM
RE: recommended micro sd card ? - by Zoltrix - 03-18-2016, 06:15 AM
RE: recommended micro sd card ? - by tllim - 03-18-2016, 08:07 AM
RE: recommended micro sd card ? - by tllim - 03-18-2016, 12:39 PM
RE: recommended micro sd card ? - by nagmier - 03-18-2016, 04:47 PM
RE: recommended micro sd card ? - by tllim - 03-18-2016, 05:04 PM
RE: recommended micro sd card ? - by COMPUTIAC - 04-26-2016, 03:26 PM
RE: recommended micro sd card ? - by xrez - 04-27-2016, 08:20 PM
RE: recommended micro sd card ? - by hyperlogos - 04-28-2016, 07:21 AM
RE: recommended micro sd card ? - by androsch - 04-28-2016, 11:56 AM
RE: recommended micro sd card ? - by tkaiser - 04-28-2016, 12:01 PM
RE: recommended micro sd card ? - by androsch - 04-28-2016, 12:08 PM
RE: recommended micro sd card ? - by xrez - 04-29-2016, 02:51 AM
RE: recommended micro sd card ? - by Ghost - 04-29-2016, 03:24 AM
RE: recommended micro sd card ? - by tkaiser - 04-29-2016, 03:47 AM
RE: recommended micro sd card ? - by xrez - 04-29-2016, 07:45 AM
RE: recommended micro sd card ? - by tkaiser - 04-29-2016, 08:19 AM
RE: recommended micro sd card ? - by xrez - 04-29-2016, 08:40 PM
RE: recommended micro sd card ? - by tkaiser - 04-30-2016, 01:28 AM
RE: recommended micro sd card ? - by xrez - 04-30-2016, 03:18 AM
RE: recommended micro sd card ? - by tkaiser - 04-30-2016, 03:30 AM
RE: recommended micro sd card ? - by hyperlogos - 04-29-2016, 08:49 PM
RE: recommended micro sd card ? - by xrez - 04-30-2016, 02:55 AM
RE: recommended micro sd card ? - by tkaiser - 04-30-2016, 03:16 AM
RE: recommended micro sd card ? - by tkaiser - 05-01-2016, 03:39 AM
RE: recommended micro sd card ? - by hyperlogos - 05-01-2016, 01:09 AM
RE: recommended micro sd card ? - by hyperlogos - 05-02-2016, 06:34 AM
RE: recommended micro sd card ? - by tkaiser - 05-02-2016, 07:04 AM
RE: recommended micro sd card ? - by xrez - 05-02-2016, 01:02 AM
RE: recommended micro sd card ? - by tkaiser - 05-02-2016, 01:16 AM
RE: recommended micro sd card ? - by hyperlogos - 05-02-2016, 07:31 AM
RE: recommended micro sd card ? - by tkaiser - 05-02-2016, 08:00 AM
RE: recommended micro sd card ? - by hyperlogos - 05-05-2016, 05:42 PM
RE: recommended micro sd card ? - by tkaiser - 05-07-2016, 01:19 AM
RE: recommended micro sd card ? - by tllim - 05-07-2016, 11:41 AM
RE: recommended micro sd card ? - by benpope81 - 05-09-2016, 10:59 AM
RE: recommended micro sd card ? - by jl_678 - 05-11-2016, 03:15 PM
RE: recommended micro sd card ? - by Bob123456789 - 05-17-2016, 02:10 PM
RE: recommended micro sd card ? - by BeerSnob - 06-16-2016, 07:29 AM
RE: recommended micro sd card ? - by Bob123456789 - 06-16-2016, 08:18 AM
RE: recommended micro sd card ? - by BeerSnob - 06-16-2016, 08:35 AM
RE: recommended micro sd card ? - by Bob123456789 - 06-16-2016, 09:16 AM
RE: recommended micro sd card ? - by tllim - 06-16-2016, 12:22 PM
RE: recommended micro sd card ? - by Bob123456789 - 06-16-2016, 12:48 PM
RE: recommended micro sd card ? - by jl_678 - 06-16-2016, 05:50 PM
RE: recommended micro sd card ? - by Bob123456789 - 06-17-2016, 07:28 AM
RE: recommended micro sd card ? - by xalius - 06-18-2016, 05:25 AM
RE: recommended micro sd card ? - by Bob123456789 - 06-18-2016, 07:23 AM
RE: recommended micro sd card ? - by xalius - 06-18-2016, 08:19 AM
RE: recommended micro sd card ? - by Bob123456789 - 06-18-2016, 04:56 PM
RE: recommended micro sd card ? - by tllim - 06-18-2016, 05:00 PM
RE: recommended micro sd card ? - by xalius - 06-18-2016, 05:06 PM
RE: recommended micro sd card ? - by tllim - 06-18-2016, 05:11 PM
RE: recommended micro sd card ? - by xalius - 06-18-2016, 05:29 PM
RE: recommended micro sd card ? - by Bob123456789 - 06-18-2016, 05:50 PM
RE: recommended micro sd card ? - by jamesread90 - 07-01-2016, 03:24 PM
RE: recommended micro sd card ? - by Bob123456789 - 07-01-2016, 04:25 PM
RE: recommended micro sd card ? - by jamesread90 - 07-06-2016, 07:07 PM
RE: recommended micro sd card ? - by Bob123456789 - 07-07-2016, 09:14 AM
RE: recommended micro sd card ? - by xalius - 07-24-2016, 11:28 AM
RE: recommended micro sd card ? - by xalius - 06-17-2017, 11:19 AM
RE: recommended micro sd card ? - by S1ntax - 06-21-2017, 05:17 PM
RE: recommended micro sd card ? - by xalius - 06-23-2017, 10:37 AM
RE: recommended micro sd card ? - by Ron M - 02-05-2019, 03:12 PM
RE: recommended micro sd card ? - by wombat - 02-11-2019, 07:16 PM
RE: recommended micro sd card ? - by siyatalerja - 03-03-2020, 11:34 PM

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