[mpich-discuss] Problem in running parallel if two programs merged
Huiwei Lu
huiweilu at mcs.anl.gov
Thu Feb 5 08:31:17 CST 2015
I didn't see program_off is used anywhere. Just compile them together does
not mean the function in that file will be called.
--
Huiwei
On Thu, Feb 5, 2015 at 1:51 AM, Muhammad Ashfaqur Rahman <
ashfaq226 at gmail.com> wrote:
> Dear Huiwei Lu,
>
> Thank you for your suggestion. I tried for ifort with mpich wrappers (But
> one set of programs is works only on PGI ). It is still not moving
> parallel. The 'merged' means I have gathered two sets of programs into one
> executable and try to run in mpi. Both the programs have their own mpi tags
> declared, and need to be tailored, i.e., Only one MPI_Initialize,
> MPI_Finalize etc.
>
> Please let me know what to do.
>
> Regards
> Ashfaq
>
> On Tue, Feb 3, 2015 at 5:43 PM, Huiwei Lu <huiweilu at mcs.anl.gov> wrote:
>
>> Can you change the following to use mpi fortran compiler and try again?
>>
>> FC = mpifort
>> CLMF = mpifort
>>
>>
>> Also, what do you mean by "merge" these two programs? I didn't see any
>> interaction between program_off.F90 and aadmn.F.
>>
>> --
>> Huiwei
>>
>> On Tue, Feb 3, 2015 at 7:42 AM, Muhammad Ashfaqur Rahman <
>> ashfaq226 at gmail.com> wrote:
>>
>>> Dear Huiwei Lu,
>>> Many thanks for your email. I have attached here the source code of my
>>> programs. These are two models.
>>> The Makefile should be looked at.
>>>
>>> Regards
>>> Ashfaq
>>>
>>> On Tue, Feb 3, 2015 at 4:32 PM, Muhammad Ashfaqur Rahman <
>>> ashfaq226 at gmail.com> wrote:
>>>
>>>> Dear Huiwei Lu,
>>>> Many thanks for your email. I have attached here the source code of my
>>>> programs. The folder contain two models.
>>>> The Makefile should be looked at.
>>>>
>>>> Regards
>>>> Ashfaq
>>>>
>>>> On Tue, Feb 3, 2015 at 3:20 PM, Huiwei Lu <huiweilu at mcs.anl.gov> wrote:
>>>>
>>>>> 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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