[Pw_forum] Running parallel in some example of 2 cup is wrong?

lucking-pine songsong19840614 at gmail.com
Thu May 26 16:35:08 CEST 2011

My computer is 2 cpu and 8 core of Dell. In some examples are crash. Such
as:co.out of example 03 show that 'from d_&_i:error;some nodes have no k
And the environment_varibles of examples I set :

PARA_PREFIX="mpiexec -n 8"
PARA_POSTFIX="-npool 2"

And how odd is when I set :

PARA_PREFIX="mpiexec -n 4"
PARA_POSTFIX="-npool 1"
the example 03 can be work.

The similar case occur also in some of other examples.

 Please tell what problem is…………thanks.
ps:my compiler is:icc11.1.075,ifort11.1.075,mpich2,pwscf 4.2.1
system is red hat enterprise linux 5

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