[mpich-discuss] MPI_T_pvar interface

[Jeff Hammond]

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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