[Thinlinc-technical] VirtualGL experience?

[Luciano Sereni]

Hi
I did not know VirtualGL
I don't like Gnome 3 especially by remote desktop.

We are using the Mate desktop with Thinlinc
https://wiki.archlinux.org/index.php/MATE

Mate is very fast in remote desktop.
Regards


2016-09-02 21:55 GMT+02:00 Carsten Rose <carsten.rose at math.uzh.ch>:
> Dear all
>
> does anyone use VirtualGL (http://www.virtualgl.org/) in a productive
> environment together with Thinlinc?
>
> We're wondering which GPU's
> - are well tested, stable and could be recommended?
> - deliver a good price/performance ratio?
>
> And further:
> - are there any impacts to take care of?
> - is anyone using more than 1 GPU per bare metal?
> - how do you use VirtualGL: local or remote as proxy?
> - how many sessions do you run per GPU?
>
>
> We did a very short test with a Gnome 3 / Ubuntu 16.04 installation and have
> been quite impressed by the result.
>
> Without VirtualGL:
>
> a) A Gnome 3 Desktop was really slow (old SunRay 1 feeling). The gnome-shell
> process (one per session) takes more than 50% CPU time (of one core) and
> this constantly.
>
> b) A Unity Desktop (which by default comes up with unity-lowgfx in a
> Thinlinc environment) are much better due to the unity-lowgfx
> (http://www.whizzy.org/2016/09/unity-7-low-graphics-mode/ - check the
> video). *But* there is one compiz process per session, which runs constantly
> between 50 and 100%!
>
> With VirtualGL:
>
> a) There was *no* difference in the user experience, between a Gnome 3
> desktop session on a powerful notebook (standard graphic features enabled)
> and a Gnome 3 Thinlinc session (lot's of graphic features disabled,
> comparable to Unity-lowgfx). The gnome-shell process raises in the CPU time
> only (up to 100%), if there are movements on the screen - the CPU drops down
> in the same moment when the movement stops. We've tested with three Thinlinc
> session simultaneously.
>
> b) Unity Session: not tested now.
>
>
> BTW: Cendio provides some generic installation hints about VirtualGL:
> https://www.cendio.com/resources/docs/tag/virtualgl.html
>
> Thanks a lot and have a nice weekend.
>
> CU
> Carsten
> --
> Carsten Rose
> IT Koordinator / Institut für Mathematik
>
> *****
> Universität Zürich
> Carsten Rose
> Institut für Mathematik, Y27-J40
> Winterthurerstrasse 190
> CH-8057 Zürich
>
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>
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>
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Luciano SERENI
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