[Pw_forum] parallel version

[Paolo Giannozzi]

Look into "make.sys" for -D__PARA or -D__MPI. If there
is none, your code is  not compiled for parallel execution.

P.

On Sun, 2013-12-08 at 23:04 +0330, ehsan targholi 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) 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.
> 
> 
> 
> 
> best regard 
> Ehsan Targholi 
> graduate student of chemistry department of iust
> 
> 
> 
> 
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-- 
Paolo Giannozzi, Dept. Chemistry&Physics&Environment, 
Univ. Udine, via delle Scienze 208, 33100 Udine, Italy
Phone +39-0432-558216, fax +39-0432-558222