[Pw_forum] installing QE
kirtinandan07 at gmail.com
Wed May 25 08:27:46 CEST 2011
Thanks a lot for your suggestion. Can you let me know that if mpich is not
there can it be installed.
On Wed, May 25, 2011 at 10:42 PM, Eric Germaneau <germaneau at gucas.ac.cn>wrote:
> Hey Vicky,
> if mpich (for instance) is installed, it will automatically detect it.
> Then you will have to do
> mpiexec -n 4 path_to_qe_exec < input_file > out_file
> in order to use the 4 cores.
> Note that this is well documented in the examples.
> The other solution is to build QE with OpenMP, but I have not really
> Well, the only one tentative I did was unsuccessful.
> Hope it helps,
> On 05/25/2011 12:55 AM, vicky singh wrote:
> I have recently got a new system with i5 processor. Since it has 4
> processor how can i install QE such that i can run parallel processing.
> Documentation says just to use ./configure and make to be done for
> compiling. will these command when run will consider the system
> configuration and install parallel version.
> Thanks for suggestion in advance.
> Vicky singh
> research student
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> Dr. Éric Germaneau <germaneau at gucas.ac.cn>
> College of Physical Sciences
> Graduate University of Chinese Academy of Sciences
> Yuquan Road 19A
> Beijing 100049
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