Re: [gentoo-user] Nvidia and optimus

["J. Roeleveld" <joost@antarean.org>]

On 16 December 2014 19:11:43 CET, behrouz khosravi <bz.khosravi@gmail.com> wrote:
>>
>>
>> The idea of Optimus is to use the lower-spec GPU for the general
>activities
>> and only enable the higher-spec GPU (NVidia) for processes requiring
>the
>> extra
>> processing power (generally 3D games or rendering).
>>
>> Using bumblebee, you can start an application using "optirun
>> <application>".
>> The application then can use the Nvidia-chip. Other applications will
>still
>> use the lower-spec GPU.
>>
>> --
>> Joost
>>
>>
>Well actually I dont play games on linux, but I like to see how it is
>performing.
>What is interesting for is using a set up that does the offloading
>automatically.
>However it seems that the optimus support for linux is not good at all,
>and
>I hope it get better eventually.
>I am beginning to thinks that maybe Linus was right NVIDIA!!

The Optimus support on Linux is similar to how it's done on ms windows. (I dual boot for a flight sim)

Performance wise, it depends on the GPU.
The lowspec one I have is an Intel embedded one. The higher spec is an NVidia GT750.

Using glxgears:
Without  (Intel): 60fps
With (NVidia): 90-95 fps

--
Joost
-- 
Sent from my Android device with K-9 Mail. Please excuse my brevity.