[Smaug] X running slow?

[Dash McElroy]

Laptop?

Google that line (in quotes) and a fair amount comes back.

It looks like your best bet may be this site:

http://unichrome.sourceforge.net/

-Dash


On Nov 9, 2005, at 6:08 PM, Meg McRoberts wrote:

> Here's the VGA bit from lspci:
>
> 01:00.0 VGA compatible controller: VIA Technologies, Inc.: Unknown  
> device 3108 (rev 01)
>
> Should I care that this (and several other devices) are
> "unknown device"?  ;-)
>
> What next?  Or is there something I should read to figure
> it out myself?
>
> Thanks much!
> meg
>
>
> --- Dash McElroy <dmcelroy at bayfed.com> wrote:
>
>> lspci should do the trick. Even if it's AGP it reports in lspci.
>>
>> -Dash
>>
>>
>> On Nov 9, 2005, at 5:00 PM, Meg McRoberts wrote:
>>
>>> I confess to ignorance about video cards -- I guess that shows
>>> that I'm not a gamer, eh?  ;-)  Anyhow, I get NO as a response
>>> to the glxinfo command below.  How do I determine what video
>>> card I have and what should I do?
>>>
>>> Thanks!
>>>
>>> --- cerise at armory.com wrote:
>>>
>>>> You can probably make a significant improvement in the rendering
>>>> department.
>>>> What sort of video card do you have?  Does it have DRI?  Do you
>>>> have 3D
>>>> acceleration turned on (glxinfo | grep '^direct' should give a
>>>> "yes")?
>>>>
>>>> -Phil/CERisE
>>>>
>>>> On Wed, Nov 09, 2005 at 04:41:56PM -0800, Meg McRoberts wrote:
>>>>> Something else to check is whether your configuration runs
>>>>> better with DMA on or off.  It seems to be off by default
>>>>> for most configurations -- I'm still trying to wrap my
>>>>> head around the variations...
>>>>>
>>>>> Anyhow, run hdparm -t /dev/hda to time the buffered disk
>>>>> reads.  Then run hdparm -d 1 /dev/hda to turn on dma and
>>>>> run the hdparm -t test again -- compare the numbers and
>>>>> see which is faster.
>>>>>
>>>>> On my system, the performance went from 14MB in 3.73 seconds
>>>>> to 120MB in 3.73 seconds -- fairly significant.
>>>>>
>>>>> If your system is faster with dma on, edit the
>>>>> /etc/sysconfig/harddisks file and change the DMA parameter --
>>>>> I forget exactly what it is but if you search for DMA,
>>>>> you'll find it.
>>>>>
>>>>> There was a good article in one of the online journals a
>>>>> couple months ago that suggested this and some other
>>>>> tunings.  I haven't had as dynamic results with the
>>>>> others but I'm still studying -- my performance for
>>>>> Firefox seems to degrade after a few days...  I know,
>>>>> if I'd do the Windows thing and reboot a couple times
>>>>> day, I wouldn't have this problem ;-)
>>>>>
>>>>> Someone at work has been playing with TCP tunings also
>>>>> and finding that it buys him a lot -- the defaults have
>>>>> to be set to work for dial-up lines and really old
>>>>> modems.  If anyone is interested, I can dig out the
>>>>> recommendations he has.
>>>>>
>>>>> meg
>>>>>
>>>>> --- Peter Belew <abcruzww at gmail.com> wrote:
>>>>>
>>>>>> Some tools to look at what's going on with memory would
>>>>>> be 'top' and 'vmstat' .... also look at /proc/meminfo .
>>>>>>
>>>>>>  Peter
>>>>>>
>>>>>> On 11/9/05, james sheldon <jsheldon at ucsc.edu> wrote:
>>>>>>>
>>>>>>> I'm running the latest version of ubuntu, and X seems really
>>>>>>> slow on my
>>>>>>> computer, which runs XP fairly decently.  Any thoughts as to
>>>>>>> how I might
>>>>>>> optimize X-windows?
>>>>>>>
>>>>>>> -James
>>>>>>>
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>>>>>
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