[mpich-discuss] mpi assertion error

[Pavan Balaji]

Cc'ing discuss at mpich.org.  Please keep it cc'ed.

On 06/28/2013 12:05 PM, Danilo wrote:
> Hi Pavan,
> so it worked for you with realDim = 16384 and 3 processes.. Can you try
> with 4 or 8 processes?
> If so, what could be the problem? Probably the configuration of mpi on
> the cluster here?
>
>
> -----Original Message-----
> From: Pavan Balaji <balaji at mcs.anl.gov>
> To: Danilo <apeironoriepa at aol.com>
> Sent: Fri, Jun 28, 2013 6:42 pm
> Subject: Re: [mpich-discuss] mpi assertion error
>
>
> Please keepdiscuss at mpich.org  <mailto:discuss at mpich.org>  cc'ed.
>
> I can run your application fine.  I tried 3 processes.
>
>    -- Pavan
>
> On 06/28/2013 11:10 AM, Danilo wrote:
>> Hi Pavan,
>>
>> here it is a simple c file that creates a matrix with 16384 rows,
>> 16384x2 columns and fills it with random float numbers (the columns are
>> double than the rows because they should represent real and imaginary
>> part of a number). Then the master tries to distribute the elements
>> trough scatter/gather.
>> This gives the error as the fft app i posted before..
>>
>> Thanks for your help
>>
>>
>>
>> -----Original Message-----
>> From: Pavan Balaji <balaji at mcs.anl.gov  <mailto:balaji at mcs.anl.gov>>
>> To: discuss <discuss at mpich.org  <mailto:discuss at mpich.org>>
>> Cc: Danilo <apeironoriepa at aol.com  <mailto:apeironoriepa at aol.com>>
>> Sent: Fri, Jun 28, 2013 5:46 pm
>> Subject: Re: [mpich-discuss] mpi assertion error
>>
>> Danilo,
>>
>> On 06/28/2013 10:28 AM, Danilo wrote:
>>> the program was tested intensively on the previous cluster. The changes
>>> made are in scatter/gather (due to sendbuf and recvbuff that has to be
>>> differente in this version it seems..). The other main change is due to
>>> hydra, because on the previous cluster there wasn't such a process
>>> management system. But I'm quite new to programming, so I don't know...
>>
>> This doesn't look like a Hydra problem.  Hydra is just telling you that
>> the application died in an unexpected manner.
>>
>> The error the assert is showing is the real culprit.  Can you try to
>> strip out most of the code and create a simple benchmark that reproduces
>> this error?
>>
>>    -- Pavan
>>
>> --
>> Pavan Balaji
>>http://www.mcs.anl.gov/~balaji
>>
>
> --
> Pavan Balaji
> http://www.mcs.anl.gov/~balaji
>

-- 
Pavan Balaji
http://www.mcs.anl.gov/~balaji