[Pw_forum] Problem in parallel execution

[Afshin Arjangmehr]

Hi,

I changed the mpich2 version and parallel computing seems to be ok now.
Thanks

On Sat, Oct 15, 2016 at 3:49 AM, Paolo Giannozzi <p.giannozzi at gmail.com>
wrote:

> It looks like you are running in parallel a code compiled for serial
> execution.  There is a rather long section in the general user guide
> describing compilation for parallel execution and what to do in case
> configure does not recognize your parallel compilation environment. Paolo
>
> Il 15/ott/2016 12:28 AM, "Afshin Arjangmehr" <ms.arjangmehr at gmail.com> ha
> scritto:
>
>> Dear QE developers and users,
>>
>> I have asked the authorities to install QE 5.4.0 on university cluster
>> (operating system: CentOS) and now, after installation, something is wrong
>> with the parallel executions.
>> I perform pwscf run and in its output file, every step is repeated equal
>> to the number of cpu cores (N). It is similar to performing N serial runs
>> altogether, each on a single core (please see attached output file).
>> I had this problem on my personal cluster (operating system: Ubuntu 16.04
>> LTS) with QE 5.4.0 and QE 6.0 (not with QE 5.1 that I installed using sudo
>> apt-get install ... ). I am really confused right now, since I have no idea
>> whether it is related to QE or mpich2. Can you please recommend me on how
>> to solve this issue? Is there any specific setting in ./configure step?
>>
>> Thanks for your kind response in advance.
>>
>>
>> Bests,
>> Afshin
>>
>>
>> --
>> With Best Regards
>> Afshin Arjhangemehr
>> PhD student in Radiation Application
>> Shahid Beheshti University G.C, Tehran, IRAN
>> (+98) 912 439 20 64
>>
>> _______________________________________________
>> Pw_forum mailing list
>> Pw_forum at pwscf.org
>> http://pwscf.org/mailman/listinfo/pw_forum
>>
>
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>



-- 
With Best Regards
Afshin Arjhangemehr
PhD student in Radiation Application
Shahid Beheshti University G.C, Tehran, IRAN
(+98) 912 439 20 64
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