rock64 0.4.17 eMMC vs SD iozone results

Some rock64 eMMC vs SD stats:

## Kernel
rock64@rock64:~$ uname -a
Linux rock64 4.4.70-rockchip-ayufan-85 #1 SMP Fri Aug 4 08:38:41 UTC 2017 aarch64 aarch64 aarch64 GNU/Linux

## Image
xenial-minimal-arm64

## Release
rock64@rock64:~$ apt-cache policy linux-rock64-package | grep Installed
  Installed: 0.4.17

## eMMC

Root mount path: /dev/mmcblk0p7
Device memory: MemTotal: 1975212 kB
CPU scaling governor: performance

	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
              kB  reclen    write  rewrite    read    reread    read     write
          102400       4     4184     4189    21323    21769    14147     3594
          102400      16    18646    19311    59794    62521    44875    15373
          102400     512    66544    68552   121417   121643   119035    62308
          102400    1024    69619    71041   123323   123799   122192    66104
          102400   16384    70260    72994   124240   125860   124461    70719

Root mount path: /dev/mmcblk0p7
Device memory: MemTotal: 4020056 kB
CPU scaling governor: performance

	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
              kB  reclen    write  rewrite    read    reread    read     write
          102400       4     4041      873    13645    13677    10144     3423
          102400      16    15174    16530    41573    42629    33728    14306
          102400     512    63883    63784   109531   108692   105989    58218
          102400    1024    67681    68290   112632   112986   111853    64264
          102400   16384    68536    69841   120939   121506   121287    70606

## SD

Root mount path: /dev/mmcblk1p7
Device memory: MemTotal: 1975212 kB
CPU scaling governor: performance

	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
              kB  reclen    write  rewrite    read    reread    read     write
          102400       4      591     1323     5868     5925     5833      955
          102400      16     3146     3636    13721    13726    13446     2972
          102400     512    10172    11353    22478    22507    22177    10106
          102400    1024    11717    11726    22746    22790    22635    11166
          102400   16384    11835    11843    23146    23200    23088    11925


Root mount path: /dev/mmcblk1p7
Device memory: MemTotal: 4020056 kB
CPU scaling governor: performance

	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
              kB  reclen    write  rewrite    read    reread    read     write
          102400       4     1124     1300     7149     7201     7214      956
          102400      16     3373     3965    15816    15568    15658     3226
          102400     512     8970    11272    22927    22956    22774     8952
          102400    1024    11279    11124    23250    23268    23241     9796
          102400   16384    11393    11871    23364    23415    23276    11890


## Original full output
Where 2G board is a pre-release sample, and the 4G board is a production run board.

eMMC 2G (prerel) : http://sprunge.us/hbRC
eMMC 4G (rel) : http://sprunge.us/FOCj
SD 2G (prerel) : http://sprunge.us/cYMM
SD 4G (rel) : http://sprunge.us/UFWD