VMD-L Mailing List

From: lam nguyen (lamvn08_at_gmail.com)
Date: Thu Nov 17 2011 - 14:01:51 CST

Sorry, my reply to Peter did not go to the list.

Yes, I am using Nvidia-provided driver. I have tried quite a few of them.
The current version is 280.13.

Here is what I have doing /usr/bin/nvidia-smi -a |grep -i free

Free : 4 Mb
Free : 4 Mb

Lam

On Thu, Nov 17, 2011 at 11:30 AM, John Stone <johns_at_ks.uiuc.edu> wrote:

>
> Hi,
> You didn't state what graphics driver you are using, but if you aren't
> running the NVIDIA-provided drivers, that would be one of the first things
> you should fix. If you're using the open-source drivers that ship with
> ubuntu, you are surely bound to encounter various performance problems.
> If you have the NVIDIA drivers installed, then please run this command
> and tell me what it says, when you have 2 VMD sessions open and running:
> /usr/bin/nvidia-smi -a |grep -i free
>
> Cheers,
> John Stone
> vmd_at_ks.uiuc.edu
>
> On Thu, Nov 17, 2011 at 09:16:10AM -0800, lam nguyen wrote:
> > Doing this way helps a little bit. I can open 2 windows and enlarge
> them
> > without problem. But when I open the third one, my computer almost
> > freezes.
> > Lam
> >
> > On Wed, Nov 16, 2011 at 10:29 PM, Tristan Croll <
> tristan.croll_at_qut.edu.au>
> > wrote:
> >
> > Lam,
> >
> > In that case, *definitely* try disabling the X11 Composite
> extension.
> >
> > sudo gedit /etc/X11/xorg.conf
> >
> > Then add to that file:
> >
> > Section "Extensions"
> > A A A A Option A "Composite" "Disable"
> > EndSection
> >
> > Cheers,
> >
> > Tristan
> >
> > From: owner-vmd-l_at_ks.uiuc.edu [mailto:owner-vmd-l_at_ks.uiuc.edu] On
> Behalf
> > Of lam nguyen
> > Sent: Thursday, 17 November 2011 2:21 PM
> > To: Ajasja LjubetiA:*
> > Cc: vmd-l_at_ks.uiuc.edu
> > Subject: Re: vmd-l: VMD slows down at multiple windows
> > I have VMD 1.9. I have tried running it on ubuntu, kubuntu and
> mint. I
> > installed these three OS' to test which one I like most. I have VMD
> > slows-down problem with all three systems. My Nvidia card is quadro
> FX
> > 580. I don't think I run out of memory because I have this problem
> even
> > right after restarting computer.
> >
> > Lam
> > On Tue, Nov 15, 2011 at 1:08 AM, Ajasja LjubetiA:*
> > <ajasja.ljubetic_at_gmail.com> wrote:
> > Hi,
> >
> > I think you forgot toA mentionA some crucial information: Which OS
> are
> > you running, what VMD version and which Nvidia card?
> >
> > so I don't thinkA power is the problem.
> >
> > Yes, if power would be the problem, the computer wouldA probablyA
> just
> > reset. Perhaps you are running out of system or GPU memory?
> > Ajasja
> >
> > On Mon, Nov 14, 2011 at 23:51, lam nguyen <lamvn08_at_gmail.com>
> wrote:
> > Hi all,
> >
> > There is an annoying VMD problem with my desktop. If I open several
> VMD
> > windows, from the third one they slow down a lot. It is a new
> machine so
> > I don't think the power is the problem. Because my 4 years old
> laptop
> > can handle many VMD windows without slowing them down. I wonder if
> this
> > has to do with Nvidia card?
> >
> > Is there anyone having the same trouble?
> >
> > Lam
>
> --
> NIH Resource 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/ Fax: 217-244-6078
>