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# Re: [femm] high performance computing options for FEM

- To: femm@yahoogroups.com
- Subject: Re: [femm] high performance computing options for FEM
- From: Gregory Quinting <gregq@iei.net>
- Date: Thu, 17 May 2001 23:25:16 -0500
- References: <3B040E60.6DB5F8A6@iei.net> <573F8DE9.0E222C1F.BA8A95C9@netscape.net>
- User-agent: Mozilla/5.0 (Windows; U; Win98; en-US; m18) Gecko/20010131 Netscape6/6.01

Mr. Starcevich:
*nix is a serious option (any good excuse to get away from Win) ... My impression from reading MS white papers is that they support enterprise server database and web applications, but not so much for number crunching, perhaps because of the latter being seen as a specialized and not very lucrative market, (pharmaceuticals and biotech -- molecular modelling, etc. notwithstanding).
Thanks for your comments.
Greg
bradstarcevich@netscape.net wrote:

>     If your serious about clustering and making changes to the
>     source code, then why not utilize a Operating environment
>     suited to the task? The latest Linux kernal supports clustering as
>     do most flavors of UNIX. Why not just port the application to
>     run under *nix? Why support all of the Windoze overhead?

>     The writing is on the wall. Check out what MSC is doing with
>     Linux (no, I don't work for them, I just run
>     their NASTRAN product under Windoze). You're talking
>     about some SERIOUS number crunching. You need a platform
>     that's up to the task.

>     Best,
>     Bradley K. Starcevich
>     Sr. Staff Engineer
>     The Cougar Group
>     http://www.starcevich.org

>     femm@yahoogroups.com wrote:

> >     Members of the FEMM group ...

> >     I am a new member working on a large, static permanent magnet design
> >     problem for magnetic resonance. Times to calculate range from 4-6 hours
> >     at high mesh densities on a 550MHz PIII server with 400Mbytes RAM,
> >     Windows 2000 Professional.  I need to optimize the computational
> >     efficiency while increasing the mesh densities.

> >     Does anyone have experience with any of these options? :

> >     1. Single Pentium IV at high clock speeds.
> >     2. Dual processor Pentium servers
> >     3. Clusters under Windows 2000 Advanced Server or
> >        Datacenter Server, where one might have 8 - 32 processors.

> >     Under options 2. and 3. would I need to get into the source code to take
> >     full advantage of either architecture, e.g. libraries specifically
> >     geared towards multithreading on dual processor and/or clusters?  (Early
> >     indications are to the affirmative.)

> >     Thanks,

> >     Greg
> >     ===

> > >      > Gregory R. Quinting, Ph.D.
> > >      > Anasazi Instruments, Inc.
> > >      > 4101 Cashard Ave. #103
> > >      > Indianapolis, IN 46203
> > >      > 317-783-4126
> > >      > 317-783-7083 fax
> > >      > aiinmr@aol.com

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- References:
  - high performance computing options for FEM
    - From: Greg Quinting <gregq@iei.net>
  - Re: [femm] high performance computing options for FEM
    - From: bradstarcevich@netscape.net

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