[Pw_forum] parallel version

[Axel Kohlmeyer]

you are not making much sense here. you best find somebody local that
has some experience in compiling (any) parallel application. it looks
like you need to learn more about that before you should even start
trying to compile QE in parallel. axel.

On Mon, Dec 9, 2013 at 10:35 AM, ehsan targholi <targholi at gmail.com> wrote:
> Dear Kohlmeyer
> thanks for your reply. i compile espresso 5.0.2 again and remove all library
> of openmpi & mpich2 . then run mpirun -np 8 and
>  give this massage :
> The program 'mpirun' can be found in the following packages:
>  * lam-runtime
>  * mpich-bin
>  * mpich-mpd-bin
>  * mpich-shmem-bin
>  * mpich2
>  * openmpi-bin
> Try: apt-get install <selected package>
>  i install only mpich2 but give again this error :
>
>
>   from test_input_xml: Empty input file .. stopping
>   from test_input_xml: Empty input file .. stopping
>   from test_input_xml: Empty input file .. stopping
>   from test_input_xml: Empty input file .. stopping
>
> i remove mpich2 and install openmpi-bin but give again above error.
> what i can do?
>
>
> On Sun, Dec 8, 2013 at 11:22 PM, Axel Kohlmeyer <akohlmey at gmail.com> wrote:
>>
>> On Sun, Dec 8, 2013 at 8:34 PM, ehsan targholi <targholi at gmail.com> wrote:
>> > hi
>> > Dear all
>> > i have problem with run quantum espresso in parallel state. i install
>> > both
>> > openmpi and mpich2. quantum espresso work correctly without parallel.
>> > (pw.x)
>>
>> what is the purpose of installing two MPI libraries? it only increases
>> the chances of something going wrong. better pick one.
>>
>> > but when i insert  ' mpirun -np 8 pw.x' dose not work correctly and give
>> > this error in terminal:
>> >
>> >  from test_input_xml: Empty input file .. stopping
>> >  from test_input_xml: Empty input file .. stopping
>> >  from test_input_xml: Empty input file .. stopping
>> >  from test_input_xml: Empty input file .. stopping
>> >  from test_input_xml: Empty input file .. stopping
>> >  from test_input_xml: Empty input file .. stopping
>> >  from test_input_xml: Empty input file .. stopping
>> >  from test_input_xml: Empty input file .. stopping
>> >
>> > and 7 core of 8 core of cpu killing job and pw.x work with only one core
>> > to
>> > end, sometime with same input give this error in terminal:
>> >
>> >  from test_input_xml: Empty input file .. stopping
>> >  from test_input_xml: Empty input file .. stopping
>> >  from test_input_xml: Empty input file .. stopping
>> >  from test_input_xml: Empty input file .. stopping
>> >
>> > and work pw.x with 4 core of cpu.
>> > pleas help me to install and run quantum espresso in parallel state.
>>
>> my guess would be you use the mpirun of one MPI library package with
>> an executable compiled against the other, so it cannot forward you
>> input, or you are making some even more fundamental error.
>>
>> the best thing to do would be to first compile and run some simple MPI
>> test/demo programs so you get familiar with how to properly compile
>> and run parallel programs. only after you are comfortable with it, you
>> should move on to compiling/running pw.x
>>
>> axel.
>>
>>
>> >
>> > best regard
>> > Ehsan Targholi
>> > graduate student of chemistry department of iust
>> >
>> >
>> >
>> > _______________________________________________
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>> > Pw_forum at pwscf.org
>> > http://pwscf.org/mailman/listinfo/pw_forum
>>
>>
>>
>> --
>> Dr. Axel Kohlmeyer  akohlmey at gmail.com  http://goo.gl/1wk0
>> International Centre for Theoretical Physics, Trieste. Italy.
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>
>
>
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-- 
Dr. Axel Kohlmeyer  akohlmey at gmail.com  http://goo.gl/1wk0
International Centre for Theoretical Physics, Trieste. Italy.