[Chimera-users] Broken links, system requirements

Greg Couch gregc at cgl.ucsf.edu
Wed Oct 21 10:24:51 PDT 2020

(We're working on the web site issues.)

So the real question is why do you want to run Chimera in a cluster 

Chimera is not designed to run in a cluster environment, it is designed 
to run a user's desktop computer using 3D graphics. Chimera does not use 
CUDA.  That said, there is a headless version for Linux that uses a 
software implementation of OpenGL to create images that you could use in 
a cluster, so no graphics card is needed.

ChimeraX, our successor to Chimera, can take advantage of CUDA in some 
circumstances, but it is not required.  ChimeraX also only works 
headless on Linux, with a software implementation of OpenGL.  The 
headless operation is included in every Linux version.  So no graphics 
card is needed there either.  We are investigating ways to take 
advantage of the graphic card's performance when running headless, but 
we're not there yet.



On 10/21/2020 9:24 AM, Calvin Dodge wrote:
> Hello,
> I have been trying to find out what the hardware requirements are for 
> Chimera.  For example, how can it be run in a cluster environment with 
> CUDA cards, but no Nvidia graphics cards?
> My search for information has been hampered by an apparent failure or 
> reorganization of the main site -https://www.cgl.ucsf.edu/chimera/
> Every internal link from that page (like to Downloads) is broken.
> Will the broken links be fixed?  Is another page the preferred one for 
> Chimera? Do I need the OSMesa version to run without graphics cards?
> Thanks,
> Calvin Dodge
> */Calvin Dodge/*/
> Systems Analyst/
> /Office: 832-271-7148/
> /
> /Email : cdodge at x-iss.com <mailto:ellorente at x-iss.com>
> http://www.x-iss.com 
> <https://mail.x-iss.com/owa/redir.aspx?C=32dc65a1e7df4e4289ad76e23a15fcf0&URL=http%3a%2f%2fwww.x-iss.com%2f>
> <http://www.x-iss.com/>
> Smart Management and Analytics for Clusters
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