[mpich-discuss] Problem during running a parallel processing.

[Jayesh Krishna]

Hi,
 Did you try checking out (in debugger/printf) the value of numworkers? How do you run your code (It looks like you need to run the code with >=2 procs)?

Regards,
Jayesh

----- Original Message -----
From: "Sinta Kartika Maharani" <sintakm114080010 at gmail.com>
To: mpich-discuss at mcs.anl.gov
Sent: Saturday, May 26, 2012 8:59:02 PM
Subject: Re: [mpich-discuss] Problem during running a parallel processing.

I'm using the debugger in visual c++. The error was "Unhandled
exception at 0x00f0157e in lastproject.exe: 0x0000094 : integer
division by zero" the code is attached.
The error is in "averow = NRA/numworkers;" whereas I declare the
number of processor when running it with mpiexec.

2012/5/26 Jeff Hammond <jhammond at alcf.anl.gov>:
> You need to include the code if you want helpful responses.  An
> infinite loop of "do you call X?" for all X is not a viable support
> solution.
>
> Have you run your code through valgrind and gdb to ensure it is not a
> simple bug unrelated to MPI?  Does the program run without error in
> serial?
>
> Jeff
>
> On Fri, May 25, 2012 at 12:06 PM, Sinta Kartika Maharani
> <sintakm114080010 at gmail.com> wrote:
>> Yes I do. Do I need to include the codes?
>> :)
>>
>> 2012/5/25 Ju JiaJia <jujj603 at gmail.com>:
>>> Did you call MPI_Finalize ?
>>>
>>> On Fri, May 25, 2012 at 10:00 AM, Sinta Kartika Maharani
>>> <sintakm114080010 at gmail.com> wrote:
>>>>
>>>> I have some codes, matrix multiplication in MPI. When i run it, appear an
>>>> error,
>>>>
>>>> job aborted
>>>> rank: node : exit code[: error message]
>>>> 0: sinta-PC: -1073741676: process 0 exited without calling finalize
>>>>
>>>> why was appear the error?
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>>>
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>
>
> --
> Jeff Hammond
> Argonne Leadership Computing Facility
> University of Chicago Computation Institute
> jhammond at alcf.anl.gov / (630) 252-5381
> http://www.linkedin.com/in/jeffhammond
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