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Hi Darren,

We haven't yet run SCIRun on an Opteron, so I can't yet tell you whether it will work or not. However, we're about to get several Opterons here within the next week, so soon we will begin officially supporting it as one of our platforms.

The 64-bit platform that we do have experience with is SGI Irix. SCIRun has worked with Irix from the beginning, and performs quite well.

In response to your FEM question: yes, SCIRun/BioPSE does support fully inhomogeneous, anisotropic conductivities for our FEM and FDM simulations -- you can build an Nx6 matrix that provides a unique tensor for every element in your domain. Please see the Appendix A of the BioFEM tutorial for more information about getting finite element models imported into BioPSE:
http://software.sci.utah.edu/doc/User/Tutorials/BioFEM/ BioFEM.html#appendix_a

Cheers,
Dave


On Feb 11, 2004, at 9:49 PM, Darren Weber wrote:

Hi,

novice questions, mainly directed at FEM computations on 64bit systems.

What 64bit hardware/OS do you recommend?  Have you worked with Opteron
processors?

What matrix libraries does SCIRUN use? What libraries for GUI displays is
used?  Will SCIRUN compile on 64bit Opteron systems?

Does SCIRUN handle anisotropy in FEM/FDM forward calculations?

Best, Darren

--
Darren L. Weber, Postdoctoral Research Fellow,
Room 371-10, China Basin Landing, Dynamic Neuroimaging Laboratory,
Department of Radiology, University of California, San Francisco
185 Berry Street, San Francisco, CA 94143-0946

Address for express mail/deliveries:
185 Berry Street. Suite 350
San Francisco, CA 94107

voice:(1) 415 353-9444
fax:  (1) 415 353-9421
www:   http://dnl.ucsf.edu/users/dweber


"People travel to wonder at the height of the mountains,
at the huge waves of the seas, at the long course of the rivers,
at the vast compass of the ocean, at the circular motion of the stars,
and yet they pass by themselves without wondering."

St. Augustine,
354 430

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• [SCIRUN-USERS] libraries and 64bit computing, Darren Weber, 02/11/2004
  • Re: [SCIRUN-USERS] libraries and 64bit computing, David Weinstein, 02/12/2004
    • Re: [SCIRUN-USERS] libraries and 64bit computing, Darren Weber, 02/14/2004
      • Re: [SCIRUN-USERS] libraries and 64bit computing, David Weinstein, 02/16/2004

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