[CPMD-list] CPMD and SMP

[kresslists at kressworks.com]

Dear Alessandro,

Thanks for the quick response.

What kind of improvements were seen in the Linux/ Portland example?

Also, has anyone tried this with the Intel compilers?

Jim


At Wed, 5 Feb 2003 17:52:48 +0100, you wrote:
>
>
>
>
>Yes.
>
>OMP directives have been added to the  performance-critical routines.
>The efficiency of the OMP parallelization depends on the  wks,
>compiler and
>libraries available.
>
>Since the compiler flags to turn on the OMP parallelization  are very
>much
>dependent on the architecture and compiler used,
>only the IBM xlf compiler settings for the SMP only or the mixed SMP-
>MPI
>have been added.
>
>The SMP version has however been tested on SGI wks (J. Hutter) and
>Linux
>Red-Hat + Portland compiler.
>
>Best Regards,
>
>
>Alessandro CURIONI, PhD
>Research Staff Member
>Computational Biochemistry and Material Science group
>IBM Research Division - Zurich Research Laboratory
>Saumerstrasse 4
>8003 Rueschlikon - Switzerland
>e-mail: cur at zurich.ibm.com
>www:    www.zurich.ibm.com
>Tel: +41-1-7248633
>Fax: +41-1-7248958
>
>
>
>
>
>                      "Jim Kress"
>
>                      <kresslists at kress        To:       <cpmd-
>list at cpmd.org>
>
>                      works.com>               cc:
>
>                      Sent by:                 Subject:  [CPMD-list]
>CPMD and SMP
>
>                      cpmd-list-admin at c
>
>                      pmd.org
>
>
>
>
>
>                      02/05/2003 05:23
>
>                      PM
>
>
>
>
>
>
>
>Is CPMD SMP enabled?  Will it use both processors if two are present
>in a
>workstation?
>
>Thanks
>
>Jim Kress
>
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