[Pw_forum] compile error on Xeon with intel fortran

Axel Kohlmeyer akohlmey at cmm.chem.upenn.edu
Mon Apr 7 07:32:04 CEST 2008


On Sun, Apr 6, 2008 at 10:14 PM, Huiqun Zhou <hqzhou at nju.edu.cn> wrote:
> Axel,
>
>  9.0 (build 20050809) seems an exception. I have been using
>  this version of Intel compiler since its release and successfully
>  compiled all prevailing DFT code.

nope that one's broken as well. it miscompiles several codes.
you have to have a newer patchlevel to have a working 9.0
compiler. i had moderate success with the 20051020 build,
but the correspondingly late patchlevels of 8.1 and 9.1 have
been much more reliable.

the issue with miscompiled code is that the code not always
crashes on you, but sometimes just gives the wrong result...

cheers,
    axel.

>
>  Huiqun Zhou
>  @Nanjing University, China
>
>
>
>  ----- Original Message -----
>  From: "Axel Kohlmeyer" <akohlmey at cmm.chem.upenn.edu>
>  To: "lan haiping" <lanhaiping at gmail.com>
>  Cc: "PWSCF Forum" <pw_forum at pwscf.org>
>  Sent: Saturday, April 05, 2008 9:19 PM
>  Subject: Re: [Pw_forum] compile error on Xeon with intel fortran
>
>
>  > On Sat, 5 Apr 2008, lan haiping wrote:
>  >
>  > IH> Dear Min,
>  > IH>   Some one else told me before that ifort v10 is not a stable
>  > compiler..
>  >
>  > this is not correct. newer patchlevels of 10.1 are quite
>  > reliable. 10.1.012 should be ok. the original 10.0 release
>  > was bad, like almost all intel x.0 releases.
>  >
>  > cheers,
>  >  axel.
>  >
>
>
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>



-- 
=======================================================================
Axel Kohlmeyer akohlmey at cmm.chem.upenn.edu http://www.cmm.upenn.edu
 Center for Molecular Modeling -- University of Pennsylvania
Department of Chemistry, 231 S.34th Street, Philadelphia, PA 19104-6323
tel: 1-215-898-1582, fax: 1-215-573-6233, office-tel: 1-215-898-5425
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