[mpich-discuss] MPI_T_pvar interface

[Balaji, Pavan]

Here's the implementation status slide:

http://meetings.mpi-forum.org/mpi31-impl-status-Nov15.pdf

  -- Pavan

> On Jan 14, 2016, at 6:34 PM, Jeff Hammond <jeff.science at gmail.com> wrote:
> 
> I recall from the most recent slide deck reporting on the status of MPI implementations (I think Pavan posted it on the MPI Forum list around SC15 timeframe) that Blue Gene/Q MPI has a no-op MPI_T implementation, which is to say, they expose zero pvars.
> 
> Jeff
> 
> On Thu, Jan 14, 2016 at 3:25 PM, Daniel Ibanez <dan.a.ibanez at gmail.com> wrote:
> Hello,
> 
> I just learned about the performance variable
> interface and was hoping to try it out.
> However, I've tried a recent MPICH build from
> source on a workstation and the older MPI
> install on our IBM BlueGene/Q, both of which
> show zero performance variables.
> In particular,
> 
> MPI_T_pvar_get_num
> 
> returns zero.
> Is there something I need to do to get this working
> or should I turn to a different source to get such
> performance information ?
> 
> Many Thanks,
> 
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> 
> 
> -- 
> Jeff Hammond
> jeff.science at gmail.com
> http://jeffhammond.github.io/
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