[CPMD-list] How to compile for Sun machine

[Juerg Hutter]

Hi

you might want to try the follwoing additional compiler flags

-fast -fns=no

Juerg

----------------------------------------------------------
Juerg Hutter                   Phone : ++41 1 635 4491
Physical Chemistry Institute   FAX   : ++41 1 635 6838
University of Zurich           E-mail: hutter at pci.unizh.ch
Winterthurerstrasse 190
CH-8057 Zurich, Switzerland
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On Wed, 2 Apr 2003, mkosmows wrote:

> Dear CPMD community:
>
> I've recently put CPMD (3.7.1) on an old Sun Ultra30 and compiled using
> ForteDev 7 (now called Sun Studio 7 I believe).  I used the Conifgure SUN
> option to generate the makefile.
>
> I can run a job, but get a bit different result than with PC Linux, and the
> following warning:
>
> Note: IEEE floating point exception flags raised:
>      Inexact, Underflow;
> Nonstandard floating point mode enabled
> See the Numerical Computation Guide, ieee_flags(3M), ieee_sun(3M)
>
> I am assuming that I need to do something to the makefile.  If anyone knows,
> please inform me.  Also, I am planning on purchasing a Sun Blade 150
> workstaion soon, will the makefile need to be modified for that as well?
>
> Thank you very much,
>
> Mark Kosmowski
>
> Chemistry Department
> Syracuse University
> mkosmows at syr.edu
>
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