[Pw_forum] use doual core

[Amin Babazadeh]

Dear Dr.Kohlmeyer
Thanks a lot for your help.I did what you said.i installed
fftw-3.1.2.tar
lam-7.1.2.tar
mpich2-1.0.4p1.tar
openmpi-1.1.2.tar
 on fedora core 5 and after that i configure the espresso but this error was
written

WARNING: the following problems were detected:

 unsupported C/Fortran compilers combination:
 CC=mpicc, F77=mpif77, F90=mpif90
you may not be able to compile this program.
i don't know what this problem means.would you please help me.
Thanks a lot



On 11/22/06, Axel Kohlmeyer <akohlmey at cmm.chem.upenn.edu> wrote:
>
> On 11/22/06, Amin Babazadeh <babazade at gmail.com> wrote:
> > dear users
> > I use a computer with a dual core CPU.but my problem is that when i run
> a
> > program only one of the CPU work but i like to share the work (solving k
> > points) between cpus.
> > I think that i should install the parallel pwscf but when i run the
> > ./configure only single pwscf installed.
>
> you have to install an MPI package (e.g. LAM/MPI, OpenMPI, MPICH)
> first and then configure/compile quantum espresso with parallel support
> as explained in the provided installation instructions.
>
> please make sure that your MPI package is compatible with or compiled
> for the fortran compiler you want to use to compiled quantum espresso
> with.
> precompiled packages may be compiled for a different compiler and thus
> need special flags or environment variables set to use the compiler of
> your choice.
>
> axel.
>
> > would you please tell me or give me a document that solve my problem.
> >
> >
> > --
> > AMIN
>
>
> --
> =======================================================================
> 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
> =======================================================================
> If you make something idiot-proof, the universe creates a better idiot.
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-- 
AMIN
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