[prev in list] [next in list] [prev in thread] [next in thread] 

List:       linaro-flashbench-results
Subject:    [Flashbench] 8 GB Transcend CF 133x
From:       arnd () arndb ! de (Arnd Bergmann)
Date:       2011-04-27 20:06:04
Message-ID: 201104272206.04862.arnd () arndb ! de
[Download RAW message or body]

Disk /dev/sdc: 8 GB, 8011422720 bytes
255 heads, 63 sectors/track, 974 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System 
/dev/sdc1   *           1         973     7815591    b  FAT32

arnd at wuerfel:~/flashbench$ sudo ./flashbench -a /dev/sdc --blocksize=1024
align 1073741824        pre 614?s       on 711?s        post 616?s      diff 96.2?s
align 536870912 pre 599?s       on 702?s        post 597?s      diff 104?s
align 268435456 pre 591?s       on 717?s        post 592?s      diff 126?s
align 134217728 pre 598?s       on 686?s        post 590?s      diff 92.2?s
align 67108864  pre 595?s       on 688?s        post 596?s      diff 92.2?s
align 33554432  pre 600?s       on 722?s        post 595?s      diff 124?s
align 16777216  pre 595?s       on 705?s        post 591?s      diff 112?s
align 8388608   pre 594?s       on 672?s        post 601?s      diff 74.1?s
align 4194304   pre 611?s       on 706?s        post 616?s      diff 92.6?s
align 2097152   pre 611?s       on 722?s        post 611?s      diff 110?s
align 1048576   pre 603?s       on 619?s        post 619?s      diff 7.93?s
align 524288    pre 613?s       on 616?s        post 615?s      diff 1.22?s
align 262144    pre 610?s       on 614?s        post 617?s      diff 923ns
align 131072    pre 611?s       on 617?s        post 614?s      diff 4.7?s
align 65536     pre 614?s       on 619?s        post 620?s      diff 1.61?s
align 32768     pre 609?s       on 618?s        post 615?s      diff 5.75?s
align 16384     pre 612?s       on 617?s        post 617?s      diff 2.55?s
align 8192      pre 609?s       on 611?s        post 609?s      diff 1.91?s
align 4096      pre 605?s       on 604?s        post 606?s      diff -1900ns
align 2048      pre 609?s       on 617?s        post 616?s      diff 4.75?s

arnd at wuerfel:~/flashbench$ sudo ./flashbench --erasesize=2097152 /dev/sdc \
--open-au --open-au-nr=1 --blocksize=512 2MiB    15.9M/s 
1MiB    15.8M/s 
512KiB  15.5M/s 
256KiB  15.5M/s 
128KiB  13.8M/s 
64KiB   17.2M/s 
32KiB   16.5M/s 
16KiB   14.8M/s 
8KiB    5.39M/s 
4KiB    2.78M/s 
2KiB    1.41M/s 
1KiB    827K/s  
512B    440K/s  
arnd at wuerfel:~/flashbench$ sudo ./flashbench --erasesize=2097152 /dev/sdc \
--open-au --open-au-nr=3 --blocksize=512 2MiB    15.7M/s 
1MiB    10.2M/s 
512KiB  15.6M/s 
256KiB  15.7M/s 
128KiB  13.9M/s 
64KiB   17.5M/s 
32KiB   16.8M/s 
16KiB   14.6M/s 
8KiB    5.4M/s  
4KiB    2.7M/s  
2KiB    1.41M/s 
1KiB    814K/s  
512B    442K/s  

arnd at wuerfel:~/flashbench$ sudo ./flashbench --erasesize=2097152 /dev/sdc \
--open-au  --blocksize=8192 --random --open-au-nr=3 2MiB    15.8M/s 
1MiB    11M/s   
512KiB  5.81M/s 
256KiB  4.11M/s 
128KiB  5.5M/s  
64KiB   5.85M/s 
32KiB   2.97M/s 
16KiB   2.69M/s 
8KiB    1.68M/s 

(again:)
arnd at wuerfel:~/flashbench$ sudo ./flashbench --erasesize=2097152 /dev/sdc \
--open-au  --blocksize=8192 --random --open-au-nr=3 2MiB    5.2M/s  
1MiB    5.2M/s  
512KiB  5.13M/s 
256KiB  5.19M/s 
128KiB  4.89M/s 
64KiB   4.07M/s 
32KiB   3.83M/s 
16KiB   2.89M/s 
8KiB    1.61M/s 

arnd at wuerfel:~/flashbench$ sudo ./flashbench --erasesize=2097152 /dev/sdc \
--open-au  --blocksize=8192  --open-au-nr=3 2MiB    5.94M/s 
1MiB    4.58M/s 
512KiB  5.97M/s 
256KiB  5.09M/s 
128KiB  5.9M/s  
64KiB   5.66M/s 
32KiB   9.88M/s 
16KiB   14.8M/s 
8KiB    5.42M/s 
arnd at wuerfel:~/flashbench$ sudo ./flashbench --erasesize=2097152 /dev/sdc \
--open-au  --blocksize=8192  --open-au-nr=3 2MiB    15.8M/s 
1MiB    16M/s   
512KiB  16M/s   
256KiB  15.7M/s 
128KiB  13.8M/s 
64KiB   17.7M/s 
32KiB   16.8M/s 
16KiB   14.8M/s 
8KiB    5.2M/s  
arnd at wuerfel:~/flashbench$ sudo ./flashbench --erasesize=2097152 /dev/sdc \
--open-au  --blocksize=8192  --open-au-nr=4 2MiB    11.4M/s 
1MiB    11.2M/s 
512KiB  4.9M/s  
256KiB  2.2M/s  
128KiB  941K/s  
64KiB   433K/s  
32KiB   214K/s  
16KiB   107K/s  
8KiB    53.2K/s 
arnd at wuerfel:~/flashbench$ sudo ./flashbench --erasesize=2097152 /dev/sdc \
--open-au  --blocksize=8192  --open-au-nr=4 --random 2MiB    6.25M/s 
1MiB    6.79M/s 
512KiB  4.98M/s 
256KiB  4.19M/s 
128KiB  4.62M/s 
64KiB   5.88M/s 
32KiB   3.39M/s 
16KiB   3.2M/s  
8KiB    1.42M/s 
arnd at wuerfel:~/flashbench$ sudo ./flashbench --erasesize=2097152 /dev/sdc \
--open-au  --blocksize=8192  --open-au-nr=5 --random 2MiB    6.84M/s 
1MiB    6.59M/s 
512KiB  4.48M/s 
256KiB  3.33M/s 
128KiB  2.57M/s 
64KiB   1.45M/s 
32KiB   780K/s  
16KiB   398K/s  
8KiB    199K/s  

arnd at wuerfel:~/flashbench$ sudo ./flashbench --erasesize=2097152 /dev/sdc   \
--blocksize=8192  -f --fat-nr=8 2MiB    16M/s    16.1M/s  15.9M/s  16M/s    15.8M/s  \
16M/s    15.8M/s  16M/s     1MiB    16.1M/s  16M/s    16.3M/s  16.1M/s  15.7M/s  \
16M/s    16.3M/s  16.2M/s   512KiB  15.9M/s  16.1M/s  16.2M/s  16M/s    16M/s    \
16.1M/s  16.1M/s  15.9M/s   256KiB  16M/s    15.4M/s  15.7M/s  15.8M/s  15.7M/s  \
15.5M/s  15.9M/s  16.1M/s   128KiB  14.1M/s  14M/s    14M/s    14.1M/s  14.3M/s  \
14M/s    14M/s    14M/s     64KiB   17.5M/s  17.7M/s  17.9M/s  17.9M/s  17.9M/s  \
17.8M/s  17.9M/s  17.9M/s   32KiB   16.8M/s  16.8M/s  17M/s    16.8M/s  16.9M/s  \
16.7M/s  16.6M/s  16.7M/s   16KiB   14.7M/s  14.8M/s  14.8M/s  14.9M/s  14.9M/s  \
14.9M/s  10.8M/s  14.8M/s   8KiB    5.55M/s  5.51M/s  5.43M/s  5.49M/s  5.55M/s  \
5.51M/s  5.49M/s  5.49M/s  


[prev in list] [next in list] [prev in thread] [next in thread]