[MPICH] Graphs with Jumpshot

Jayesh Krishna jayesh at mcs.anl.gov
Thu Aug 9 10:04:02 CDT 2007

 Which version of MPICH2 are you using ?
 What is the error message that you get when you run your application ? (Are
you using the "-log" option in mpiexec when you run your MPI program ?)


-----Original Message-----
From: owner-mpich-discuss at mcs.anl.gov
[mailto:owner-mpich-discuss at mcs.anl.gov] On Behalf Of Anthony Chan
Sent: Thursday, August 09, 2007 9:12 AM
To: Calin Iaru
Cc: mpich-discuss at mcs.anl.gov
Subject: Re: [MPICH] Graphs with Jumpshot

I am not familar with the MPE on Windows. Our windows expert can answer your
question better than I do.


On Thu, 9 Aug 2007, Calin Iaru wrote:

> Hi Anthony,
>   that's correct, I use the rlog. It appears that support for mpe on 
> Windows is somewhat broken. I tried to link to mpe the cpi sample and 
> rerun it, but the dll is not loaded.
> Best regards,
>   Calin
> Anthony Chan wrote:
>> It sounds like you are using the rlog not clog2 (from MPE).  rlog is 
>> designed to profile the MPICH2 internal, i.e. for MPICH2 developers.
>> It contains a lot more info than a typical MPI users needed.  If you 
>> are not interested in improving MPICH2 implementation, you should 
>> consider using MPE logging, i.e. , using "mpicc -mpe=mpilog" to link 
>> your program and generate a clog2 file which can be viewed by Jumpshot.
>> See mpich2-xxx/src/mpe2/README for more details or 
>> http://www.mcs.anl.gov/perfvis
>> A.Chan
>> On Wed, 8 Aug 2007, Calin Iaru wrote:
>>> It's OK, I think I can filter the output using printirlog utility. 
>>> This would allow for queries on different functions. Can someone 
>>> explain why does IARROW event has a remote "-2". I would expect that 
>>> the remote field in the RLOG_IARROW structure to be the pair rank.
>>> Best regards,
>>>     Calin
>>> Calin Iaru wrote:
>>>> Hi all,
>>>>    I would like to see a graph of the time spent doing some MPI 
>>>> operation. The X axis would be the number of samples and the Y axis 
>>>> would be the time. Is there a way to do this with jumpshot? 
>>>> Otherwise, is there a way to extract this information from slog2 files?
>>>> Best regards,
>>>>    Calin

More information about the mpich-discuss mailing list