[GEM-dev] NVidia optimus on Linux and Gem

[Menno van der Woude]

hello,

related to this topic: I am also looking into buying a laptop for a
project I am doing.
I made a port of (a revised) [pix_drum] to openframeworks, then use
OSC to send info to Pd.
Pd will generate sound based on the info it receives.

I am wondering: is there a big difference for this and similar tasks
between i5 and i7 processors?
It's a big price difference, and if results for graphics and sound
tasks are the same I will prefer i5...

Also, how are things going with using Nvidia graphics?
Using 3D will not be necessary at this moment in this project, but I
may wish to do so in the future.
Since I look into buying something like Asus X53SV, it is relevant.

Bye,
menno

On Thu, Aug 18, 2011 at 5:56 PM, cyrille henry <ch at chnry.net> wrote:
> hello,
>
> i'm using an ATI on ubuntu for a project.
>
> It's mainly working (good screen configuration, shaders are ok, etc).
> the only problems are :
> - error on pd log at every frame.
> - crash when destroying the gem windows...
>
> so, ATI will certainly be a good option in the future.
>
>
>
> For now, a solution to control optimus on linux look to work for some
> computer, but it's still is very young.
> Nvidia still provide driver for there card.
>
>
>
> Having to install a kernel that is released after the hardware to use is not
> really a surprised, imo.
>
> Cyrille
>
>
>
> Le 18/08/2011 17:37, John Harrison a écrit :
>>
>> I'm a little confused about the problem. I can live without Optimus
>> technology but if future Nvidia cards that support Optimus don't offer a
>> decent driver with 3D accel that's a different problem. What exactly is the
>> situation? Are the ATI Linux proprietary drivers still not a reasonable
>> alternative?
>>
>> On 08/18/2011 09:10 AM, Benjamin ~ 01xy wrote:
>>>
>>> Hello,
>>>
>>> I bought a Asus N53SN recently, no way to activate/desactivate graphics
>>> cards in the BIOS till now (BIOS 206), whereas it seems to be possible on
>>> thinkpad laptops
>>> first install of bumblebee from ppa didn't worked for me, I didn't took
>>> the time yet to make it work, hope it will
>>> I had to install a recent kernel (2.6.35) on ubuntu 10.04 to have at
>>> least full resolution on the intel graphic card
>>>
>>> ++
>>> Benjamin
>>>
>>>
>>>
>>> jack at rybn.org a écrit :
>>>>
>>>> I just bought a Asus N55SF with NVidia GT 555 with Optimus.
>>>> I hope i could activate the NVidia card and desactivate the Intel card
>>>> with BIOS. I pray.
>>>> I keep you informed.
>>>> ++
>>>>
>>>> Jack
>>>>
>>>>
>>>>
>>>>> hello,
>>>>>
>>>>> having to buy a good linux computer with good GPU nowday is not so
>>>>> easy,
>>>>> manly because of optimus.
>>>>> but it look like are going good.
>>>>> http://www.martin-juhl.dk/2011/05/optimus-on-linux-problem-solved/
>>>>>
>>>>> good luck
>>>>> Cyrille
>>>>>
>>>>>
>>>>> Le 15/08/2011 15:29, jack at rybn.org a écrit :
>>>>>>
>>>>>> Hello,
>>>>>>
>>>>>> I would like to know if people on this list use a NVidia graphic card
>>>>>> with
>>>>>> Optimus on Linux and Gem and tell us if they encounter problems ? I
>>>>>> would
>>>>>> like to buy a new laptop but i read in different forum that NVidia
>>>>>> doesn't
>>>>>> plan to develop a driver on Linux using this technology. I also read
>>>>>> that
>>>>>> this technology with i5 Sandy Bridge and NVidia GT 540 might suffer of
>>>>>> throttling (that could be a big issue in a peformance using Pd and
>>>>>> Gem).
>>>>>> I
>>>>>> am looking for a good laptop to use Gem with a weight< 2.2 kg.
>>>>>> Thanx.
>>>>>> ++
>>>>>>
>>>>>> Jack
>>>>>>
>>>>>>
>>>>>>
>>>>>>
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>>>>
>>>>
>>>>
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>
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