VMD-L Mailing List

From: Norman Geist (norman.geist_at_uni-greifswald.de)
Date: Mon Feb 10 2014 - 01:43:22 CST

Just to mention it for everybody that is unsure what is needed to run 3D in VMD, I'm running stereoscopic display very fine using a GeForce together with a passive 3D Display and VMDs "RowInterleaved" stereo mode. Such monitors are about 200€ only and there's no Quadro needed for some 1000€.

Norman Geist.

> -----Ursprüngliche Nachricht-----
> Von: owner-vmd-l_at_ks.uiuc.edu [mailto:owner-vmd-l_at_ks.uiuc.edu] Im
> Auftrag von John Stone
> Gesendet: Sonntag, 9. Februar 2014 20:41
> An: Charles McAnany
> Cc: vmd-l_at_ks.uiuc.edu
> Betreff: Re: vmd-l: Do I need a "professional" graphics card?
>
> Hi,
> I don't know much about those two specific cards, so my answer
> is based on generalities of these classes of cards.
> Assuming you do not plan to do stereoscopic display, then the
> GeForce option is fine given that the GeForce config you listed had
> equal per-card memory capacity to the Quadro option you listed.
>
> The ALU or "CUDA core" counts aren't always directly comparable among
> cards due to clock rates, but in this case I would think they are
> roughly
> comparable. One thing to be aware of is that your battery life will be
> near-zero when running two high-end GPUs (of any kind), whereas it
> would
> at least be tolerable when using a single GPU. If you intend to use
> the
> laptop as a desktop replacement and will be plugged in most of the
> time,
> then this may not be as big of an issue.
> The Quadro is likely more energy efficient than the GeForce,
> but that's part of the the nature of comparing a pro card vs. a
> top-end gaming oriented card. Anyway, either of those options will
> likely do well for you so long as you have solid drivers and there
> are not other considerations (e.g. along the lines of the battery life
> or power consumption issues) that would play a significant factor.
>
> Cheers,
> John Stone
> vmd_at_ks.uiuc.edu
>
>
> On Sun, Feb 09, 2014 at 02:29:41PM -0500, Charles McAnany wrote:
> > Friends,
> > I'm in the market for a new computer, and I'm pretty much sold on
> a
> > Eurocom Panther laptop. I am looking at the GPU options, and I'd
> like to
> > get your opinions on whether I should go:
> > 4GB Quadro K5000M, 1344 CUDA ($1405)
> > or
> > SLI; 8GB; 2x4GB GTX 780M, 1536 CUDA ($890)
> > The internet seems to think that the high-end cards are only worth
> the
> > cost with CAD and 'professional' applications, but not for gaming.
> I'm not
> > sure where VMD falls in the spectrum of 'professionality' of its
> GPU
> > usage.
> > Also, for quick NAMD+CUDA runs, I presume the latter option would
> be
> > better, but I don't have any better argument than "1536 > 1344".
> > Can anyone share their experience in this regard?
> > Cheers,
> > Charles McAnany,
> > Graduate student, University of Virginia, Mura Lab.
>
> --
> NIH Center for Macromolecular Modeling and Bioinformatics
> Beckman Institute for Advanced Science and Technology
> University of Illinois, 405 N. Mathews Ave, Urbana, IL 61801
> http://www.ks.uiuc.edu/~johns/ Phone: 217-244-3349
> http://www.ks.uiuc.edu/Research/vmd/ 

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