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Raspberry Pi Forum Raspberry Pi running slowly!! Very slowly!!
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Raspberry Pi running slowly!! Very slowly!!

Former Member
Former Member over 12 years ago

Hi got my Raspberry Pi but it's running very slow. Put it this way when I move the terminal window in X mode using the mouse the CPU usage jumps up to 70% - 80% thats not normal surely?

 

Im not new to Linux so I checked the logs DMESG etc. but there seem to be no problems. I am awaiting a multimeter to check powersupply using T1 T2 on the board. I have also looked into the possible cause being the SD card. Mine is a Kingston branded (but made in China) 4GB micro SD with a SDHC logo on it rated at class 4. When the multimeter arrives I will also check the polyfuse. I thought it may be a formatting or partitioning problem so I used berryboot which seems to be idiot proof, and still no joy. Can someone give me any ideas?? oh yeah tried to do a benchmark using sysbench ran a random I/O mode with 50MB of data and after an hour i had ot abort the process! This can't be normal. Is anyone else having similar problems / or has solved any problems??

 

Cheers Hungdonk3y

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  • Former Member
    Former Member over 12 years ago

    > Hi got my Raspberry Pi but it's running very slow. Put it this way when I move the terminal window in X mode using the mouse the CPU usage jumps up to 70% - 80% thats not normal surely?

     

    Yes, I think it is.  The RPi has a relatively fast GPU, but a relatively slow CPU,

    and X mode uses the CPU.  There is a volunteer, Simon, working on trying to

    accelerate X using the GPU, but he is not optimistic about the prospects.

    see my post #4 on this recent thread:

    http://www.element14.com/community/message/67203#67203/l/re-2013-the-year-of-arm-linux-on-the-desktop

     

    When the X slowness is mentioned, JamesH makes it sound like Simon's

    work is a promising solution, such as when he recently wrote:

     

    "See teh_orphs thread about GPU accleration for X - currently in testing."

    in this thread:

    http://www.raspberrypi.org/phpBB3/viewtopic.php?f=28&t=29046

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