[Paraview] Advice on graphics cards

Wed Sep 1 12:37:30 EDT 2010

Hi,

There are a few differences between GeForce and Quadro cards : 
Quadro support quad-buffering, which is usefull if you want to have 
stereo. The newer geforce cards may support it also due to the current 
buzz around stereo.
There is also support of g-sync cards, which can be usefull on 
tiled-displays + stereo systems.
We noticed some performance differences for wireframe representations : it 
seems that quadro are faster than geforce for this kind of representations 
(which is kind of logical since those representations are not often used 
in games...)

Best,
Stephane

Stephane PLOIX
Pilote Opérationnel - Visualisation scientifique
EDF - R&D
SINETICS
1, Av du Général de Gaulle
92140 Clamart

stephane.ploix at edf.fr
Tél. : +33 (0) 1 47 65 51 10

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dave.partyka at kitware.com 
Envoyé par : paraview-bounces at paraview.org
01/09/2010 14:33

A
paul.m.edwards at gmail.com
cc
paraview at paraview.org
Objet
Re: [Paraview] Advice on graphics cards

Quadro drivers tend to come with optimizations for commercial applications 
like AutoCAD. VTK/ParaView just make standard GL calls so you won't gain 
anything by using a similarly configured Quadro over a GeForce card. On 
the other hand, Quadro's tend to have faster GPUs and more memory. If you 
don't need lots of GPU memory, GeForce cards in general offer a pretty 
good cost/performance tradeoff.

On Wed, Sep 1, 2010 at 5:06 AM, Paul Edwards <paul.m.edwards at gmail.com> 
wrote:
Thanks for the replies.  

Can anyone comment on whether there is a performance difference between 
the GeForce or Quadro?  Some sites say the Quadro is better for CAD 
applications but is this true for ParaView?

Thanks,
Paul

On 1 September 2010 07:23, Kumar, Shree <shreekumar at hp.com> wrote:

Yes, there are ways to "spoof" monitors on nvidia cards. I have used two 
of them,

a. Get an EDID file of a display device and use that in the config file 
(see attached file xorg-forced-monitor-EDID.conf for an example).

b. Use a modeline (see attached file xorg-forced-monitor-modeline.conf for 
an example).

The config files use more options than necessary - but that's because they 
are auto-generated.

For documentation on the options, refer to 
/usr/share/doc/NVIDIA_GLX-1.0/README.txt

HTH
-- Shree

From: paraview-bounces at paraview.org [mailto:paraview-bounces at paraview.org] 
On Behalf Of Paul McIntosh
Sent: Wednesday, September 01, 2010 4:16 AM
To: 'Paul Edwards'; 'paraview'
Subject: Re: [Paraview] Advice on graphics cards

Hi Paul,

I think you are stuck with eitther a Tesla or Quadro on a cluster. This is 
due to the ability to configure those cards to work without a display (see 
the release notes for the latest drivers though).

I'd be interested to hear otherwise as we have a few GTX280 nodes that are 
currently just used for CUDA. Maybe there is a way to "spoof" a monitor 
another way?

Cheers,

Paul

From: paraview-bounces at paraview.org [mailto:paraview-bounces at paraview.org] 
On Behalf Of Paul Edwards
Sent: Wednesday, 1 September 2010 12:43 AM
To: paraview
Subject: [Paraview] Advice on graphics cards

Hi, 

Can anyone recommend a graphics cards to use for a linux cluster running 
ParaView?  And, does anyone know how a GeForce card compares to a Quadro 
of a similar spec?

Thanks in advance,
Paul

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