[mpich-discuss] Problem in running parallel if two programs merged

[Huiwei Lu]

Hi Ashfaq,

If you program already has started with separate parallel instances, how
can they becomes serial again?

Can you give us a sample of minimum code to explain your problem?

--
Huiwei Lu
Postdoc Appointee
Mathematics and Computer Science Division
Argonne National Laboratory
http://www.mcs.anl.gov/~huiweilu/

On Tue, Feb 3, 2015 at 1:22 AM, Muhammad Ashfaqur Rahman <
ashfaq226 at gmail.com> wrote:

> Dear All,
> Take my greetings. I am new in mpich usage. I have problems in parallel
> run, when two fortran mpi programs are merged to one executable. If these
> two are separate, then they are running parallel.
>
> One program has used spmd and another one  has used mpich header directly.
>
> Other issue is that while trying to run the above mentioned merged program
> in mpich, it's first started with separate parallel instances of same step
> and then after some steps it becomes serial.
>
> Please help me in this regards
>
> Ashfaq
> Ph.D Student
> Dept. of Meteorology
>
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