[petsc-dev] getting on with the nested timers

Thu Apr 5 06:58:56 CDT 2018

On Thu, Apr 5, 2018 at 7:50 AM, Klaij, Christiaan <C.Klaij at marin.nl> wrote:

> ??? In my original email I mention that page and state that the
> command line option is working.
>
>
> Were you expecting me to understand from your reply that the
> option :ascii_xml somehow translates to
> PetscViewerPushFormat(viewer,"PETSC_VIEWER_ASCII_XML")?
>
Yes. The format for viewer input is

  -foo_view type:filename:format:mode

where any argument can be omitted so that it takes the default. The
defaults are

  type        - ascii
  filename - stdout
  format    - FORMAT_DEFAULT
  mode     - read

  Thanks,

      Matt

> Chris
> ------------------------------
> *From:* Matthew Knepley <knepley at gmail.com>
> *Sent:* Thursday, April 05, 2018 1:35 PM
> *To:* Klaij, Christiaan
> *Cc:* Smith, Barry F.; petsc-dev at mcs.anl.gov; Koos Huijssen
> *Subject:* Re: [petsc-dev] getting on with the nested timers
>
> On Thu, Apr 5, 2018 at 7:31 AM, Klaij, Christiaan <C.Klaij at marin.nl>
> wrote:
>
>> Matt,
>>
>> I guess you meant to send this link:
>>
>> http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/
>> Viewer/PetscViewerPushFormat.html
>>
> No, I meant to send the link I sent. In the section Options Database Keys,
> it gives you the format.
>
>   Matt
>
>>
>> If so, it doesn't say anything on XML either. But after some
>> trial and error I found the format to
>> be "PETSC_VIEWER_ASCII_XML", so problem solved.
>>
>> Summarizing the problem from a user perspective:
>>
>> 1) The manual page of PetscLogView mentions PetscViewerASCIIOpen,
>> which mentions PetscViewerPushFormat, I should have figured that
>> out by myself, sorry.
>>
>> 2) The manual page of PetscLogView mentions PetscLogNestedBegin,
>> which doesn't have a manual entry.
>>
>> 3) The manual page of PetscViewerPushFormat doesn't mention the
>> format PETSC_VIEWER_ASCII_XML, although it is available.
>>
>> Chris
>>
>> dr. ir. Christiaan Klaij | Senior Researcher | Research & Development
>> MARIN | T +31 317 49 33 44 | C.Klaij at marin.nl | www.marin.nl
>>
>> [image: LinkedIn] <https://www.linkedin.com/company/marin> [image:
>> YouTube] <http://www.youtube.com/marinmultimedia> [image: Twitter]
>> <https://twitter.com/MARIN_nieuws> [image: Facebook]
>> <https://www.facebook.com/marin.wageningen>
>> MARIN news: Comfort draft for semi-submersible yachts
>> <http://www.marin.nl/web/News/News-items/Comfort-draft-for-semisubmersible-yachts.htm>
>>
>> ------------------------------
>> *From:* Matthew Knepley <knepley at gmail.com>
>> *Sent:* Thursday, April 05, 2018 12:50 PM
>> *To:* Klaij, Christiaan
>> *Cc:* Smith, Barry F.; petsc-dev at mcs.anl.gov; Koos Huijssen
>> *Subject:* Re: [petsc-dev] getting on with the nested timers
>>
>> On Thu, Apr 5, 2018 at 6:15 AM, Klaij, Christiaan <C.Klaij at marin.nl>
>> wrote:
>>
>>> Barry,
>>>
>>> I'm still trying to use petsc's nested logging with our code. I
>>> have it working for 3.8.3 with the command line option, for
>>> example:
>>>
>>> mpirun -n 3 ./refresco -log_view :performance.xml:ascii_xml
>>>
>>> This gives the expected performance.xml file. How to get the same
>>> without command line options? So far I have:
>>>
>>> CALL PetscLogDefaultBegin(ierr)
>>> ...
>>> CALL PetscViewerASCIIOpen(MPI_COMM_WORLD,'performance.xml',viewer,ierr)
>>> CALL PetscLogView(viewer,ierr)
>>>
>>> which gives the regular log in the performance.xml file.
>>>
>>> I guess I should replace PetscLogDefaultBegin by
>>> PetscLogNestedBegin as stated in the manual page of PetscLogView.
>>>
>>> But there's no manual page for PetscLogNestedBegin and I didn't
>>> find anything like PetscViewerASCIIOpenXML either.
>>>
>>
>> http://www.mcs.anl.gov/petsc/petsc-master/docs/manualpages/P
>> rofiling/PetscLogView.html
>>
>> You need to push the ASCII_XML format before viewing.
>>
>>   Thanks,
>>
>>      Matt
>>
>>
>>> Chris
>>>
>>>
>>> dr. ir. Christiaan Klaij  | Senior Researcher | Research & Development
>>> MARIN | T +31 317 49 33 44 | mailto:C.Klaij at marin.nl |
>>> http://www.marin.nl
>>>
>>> MARIN news: http://www.marin.nl/web/News/News-items/Kom-zaterdag-10-nove
>>> mber-naar-de-open-dag-in-Wageningen.htm
>>>
>>>
>>
>>
>> --
>> What most experimenters take for granted before they begin their
>> experiments is infinitely more interesting than any results to which their
>> experiments lead.
>> -- Norbert Wiener
>>
>> https://www.cse.buffalo.edu/~knepley/ <http://www.caam.rice.edu/~mk51/>
>>
>>
>
>
> --
> What most experimenters take for granted before they begin their
> experiments is infinitely more interesting than any results to which their
> experiments lead.
> -- Norbert Wiener
>
> https://www.cse.buffalo.edu/~knepley/ <http://www.caam.rice.edu/~mk51/>
>

-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener

https://www.cse.buffalo.edu/~knepley/ <http://www.caam.rice.edu/~mk51/>
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