From:  Richard-tx <rich.andr...@gmail.com>
Reply-To:  "beagleboard@googlegroups.com" <beagleboard@googlegroups.com>
Date:  Sunday, September 14, 2014 at 5:05 AM
To:  "beagleboard@googlegroups.com" <beagleboard@googlegroups.com>
Subject:  [beagleboard] Re: Ubuntu 14 - poor performance

> I forgot to mention that this is on a BBB.
> 
> 
> 
> On Sunday, September 14, 2014 7:02:17 AM UTC-5, Richard-tx wrote:
>> I just installed Ubuntu 14.04 (eMMC flashed) and something seems wrong.  I
>> have a software package that I compile.  When I compile it under Debian,  it
>> takes about 45 minutes to complete.  Now with Ubuntu 14 it has takes 76-78
>> minutes.  Is there something that I should look at or do?  I did add a swap
>> file but that did not help.
>> 
>> Has anyone else seen a performance hit with Ubuntu 14.04?
>> 
>> Here is the link to the instructions for downloading and building the
>> application.
>> 
>> http://wiki.rocrail.net/doku.php?id=buildrr-en
>> 
The problem is the memory taken by the Ubuntu desktop. Try a light weight
desktop like XFCE, LXDE or Lubuntu. Remember, BBB only has 512MB RAM so it
isnĀ¹t advisable to use a memory hog like Unity. You can test this by running
top or atop in a terminal while you run your app. You will see that
available memory will be almost zero and that is why it is sssooo
ssslloooww. 

Regards,
John
>> 
> 
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