[petsc-users] -log_summary

[Barry Smith]

   Hmm, you shouldn't need to use a PetscLogBegin() after  
PetscInitialize(). When -log_summary is used PetscLogBegin() is  
automatically called by PetscInitialize(). I cannot explain the  
behavior you are seeing.

    Barry

On Mar 16, 2010, at 5:51 AM, burckhardt at itis.ethz.ch wrote:

> Dear Barry,
>
> the Cray software seems to be innocent as -log_summary afilename  
> did'nt have an effect. However, the introduction of a  
> PetscLogBegin() after PetscInitialize(...) solved the problem.
>
> Thank you anyway!
> Kathrin
>
>
> Quoting "Barry Smith" <bsmith at mcs.anl.gov>:
>
>>
>>   The Cray software may not be properly flushing all the standard  
>> out data before the process ends. Try using -log_summary afilename  
>> and see if the file afilename is complete with the log information.
>>
>>    Barry
>>
>> On Mar 15, 2010, at 5:58 AM, burckhardt at itis.ethz.ch wrote:
>>
>>> Dear all,
>>>
>>>
>>> I have problems with the display of -log_summary on the Cray XT5.  
>>> Only the lines
>>>
>>>
>>> Event                Count      Time (sec)     Flops/ 
>>> sec                         --- Global ---  --- Stage ---   Total
>>>                 Max Ratio  Max     Ratio   Max  Ratio  Mess   Avg  
>>> len Reduct  %T %F %M %L %R  %T %F %M %L %R Mflop/s
>>> ------------------------------------------------------------------------------------------------------------------------
>>>
>>> --- Event Stage 0: Main Stage
>>>
>>>
>>> are printed but nothing follows. Do you have an idea why?
>>>
>>> Best regards,
>>> Kathrin
>>>
>>>
>>>
>>
>>
>
>
>