[MPICH] Graphs with Jumpshot

William Gropp gropp at mcs.anl.gov
Fri Aug 10 08:15:11 CDT 2007

Be careful with that; -2 is what MPICH2 uses for MPI_ANY_SOURCE, but  
other MPI implementations may choose a different value.


On Aug 8, 2007, at 8:46 AM, Calin Iaru wrote:

> I just found out that -2 is an alias for MPI_ANY_SOURCE.
> 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