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List:       linaro-flashbench-results
Subject:    [Flashbench] integral ultima pro class 10 4 GB
From:       arnd () arndb ! de (Arnd Bergmann)
Date:       2011-08-05 13:24:28
Message-ID: 201108051524.29210.arnd () arndb ! de
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Disk /dev/mmcblk0: 3976 MB, 3976200192 bytes
4 heads, 16 sectors/track, 121344 cylinders, total 7766016 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

==> /sys/block/mmcblk0/device/block <==
head: error reading `/sys/block/mmcblk0/device/block': Is a directory

==> /sys/block/mmcblk0/device/cid <==
275048534430344730b00dd71400a900

==> /sys/block/mmcblk0/device/csd <==
400e00325b5900001d9f7f800a400000

==> /sys/block/mmcblk0/device/date <==
09/2010

==> /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 <==
0x000027

==> /sys/block/mmcblk0/device/name <==
SD04G

==> /sys/block/mmcblk0/device/oemid <==
0x5048

==> /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 <==
0xb00dd714

==> /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=SD04G
MODALIAS=mmc:block



$ sudo ./flashbench -a /dev/mmcblk0 -b 1024 --count=30
align 402653184 pre 1.95ms      on 2.87ms       post 1.56ms     diff 1.12ms
align 268435456 pre 2.2ms       on 3.04ms       post 1.6ms      diff 1.14ms
align 201326592 pre 2.51ms      on 2.99ms       post 1.59ms     diff 940?s
align 134217728 pre 2.38ms      on 2.94ms       post 1.59ms     diff 950?s
align 100663296 pre 2.24ms      on 3.01ms       post 1.6ms      diff 1.09ms
align 67108864  pre 2.47ms      on 2.87ms       post 1.51ms     diff 880?s
align 50331648  pre 2.45ms      on 2.97ms       post 1.57ms     diff 960?s
align 33554432  pre 2.6ms       on 2.96ms       post 1.57ms     diff 876?s
align 25165824  pre 2.57ms      on 2.94ms       post 1.58ms     diff 872?s
align 16777216  pre 2.28ms      on 2.99ms       post 1.59ms     diff 1.05ms
align 12582912  pre 2.22ms      on 2.92ms       post 1.6ms      diff 1.01ms
align 8388608   pre 2.54ms      on 2.93ms       post 1.55ms     diff 880?s
align 6291456   pre 1.7ms       on 1.86ms       post 1.57ms     diff 226?s
align 4194304   pre 2.35ms      on 2.82ms       post 1.56ms     diff 868?s
align 3145728   pre 1.51ms      on 1.67ms       post 1.5ms      diff 172?s
align 2097152   pre 1.56ms      on 1.72ms       post 1.49ms     diff 190?s
align 1572864   pre 1.5ms       on 1.67ms       post 1.49ms     diff 176?s
align 1048576   pre 1.5ms       on 1.67ms       post 1.49ms     diff 173?s
align 786432    pre 1.5ms       on 1.67ms       post 1.49ms     diff 173?s
align 524288    pre 1.5ms       on 1.67ms       post 1.5ms      diff 172?s
align 393216    pre 1.5ms       on 1.67ms       post 1.49ms     diff 169?s
align 262144    pre 1.5ms       on 1.67ms       post 1.49ms     diff 169?s
align 196608    pre 1.5ms       on 1.67ms       post 1.5ms      diff 174?s
align 131072    pre 1.51ms      on 1.67ms       post 1.49ms     diff 171?s
align 98304     pre 1.51ms      on 1.67ms       post 1.49ms     diff 176?s
align 65536     pre 1.49ms      on 1.67ms       post 1.5ms      diff 175?s
align 49152     pre 1.5ms       on 1.66ms       post 1.49ms     diff 169?s
align 32768     pre 1.49ms      on 1.66ms       post 1.48ms     diff 174?s
align 24576     pre 1.5ms       on 1.67ms       post 1.49ms     diff 173?s
align 16384     pre 1.5ms       on 1.67ms       post 1.49ms     diff 173?s
align 12288     pre 1.49ms      on 1.54ms       post 1.49ms     diff 45.8?s
align 8192      pre 1.49ms      on 1.67ms       post 1.49ms     diff 175?s
align 6144      pre 1.49ms      on 1.57ms       post 1.52ms     diff 65.2?s
align 4096      pre 1.49ms      on 1.53ms       post 1.49ms     diff 44.8?s
align 3072      pre 1.49ms      on 1.53ms       post 1.49ms     diff 42.1?s
align 2048      pre 1.49ms      on 1.53ms       post 1.49ms     diff 43.7?s

== > 4 MB erase block, 8 KB page ?

$ sudo ./flashbench --open-au --open-au-nr=1 /dev/mmcblk0 --blocksize=512
4MiB    6M/s    
2MiB    3.71M/s 
1MiB    3.72M/s 
512KiB  3.73M/s 
256KiB  3.77M/s 
128KiB  5.7M/s  
64KiB   11.7M/s 
32KiB   8.8M/s  
16KiB   6.57M/s 
8KiB    4.01M/s 
4KiB    1.33M/s 
2KiB    563K/s  
1KiB    10.2K/s 
512B    8.54K/s 


arnd at klappe2:~/git/flashbench$ sudo ./flashbench --open-au /dev/mmcblk0 \
--blocksize=2048 --open-au-nr=2 4MiB    8.35M/s 
2MiB    6.47M/s 
1MiB    2.89M/s 
512KiB  1.4M/s  
256KiB  697K/s  
128KiB  348K/s  
64KiB   174K/s  

arnd at klappe2:~/git/flashbench$ sudo ./flashbench --open-au --open-au-nr=1 \
/dev/mmcblk0 --blocksize=2048 --random 4MiB    5.74M/s 
2MiB    2.5M/s  
1MiB    1.45M/s 
512KiB  802K/s  
256KiB  560K/s  
128KiB  279K/s  


$ sudo ./flashbench --findfat --fat-nr=5 /dev/mmcblk0 --blocksize=2048 --random
4MiB    2.4M/s   2.78M/s  6.02M/s  11.7M/s  11.8M/s  
2MiB    2.52M/s  2.77M/s  4.56M/s  3.76M/s  3.76M/s  
1MiB    2.73M/s  2.51M/s  1.65M/s  1.59M/s  1.59M/s  
512KiB  2.58M/s  2.77M/s  862K/s   855K/s   855K/s   
256KiB  2.4M/s   2.73M/s  556K/s   528K/s   555K/s   
128KiB  2.4M/s   2.74M/s  271K/s   271K/s   271K/s   
64KiB   2.08M/s  2.5M/s   258K/s   258K/s   258K/s   
32KiB   1.88M/s  2.31M/s  142K/s   142K/s   142K/s   


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