[Mpi3-ft] MPI_Comm_validate - What's in a name?

[Josh Hursey]

Yes. I am starting that conversation in another email thread (still working
on it). I did not want that discussion to distract here.

-- Josh

On Wed, Jan 25, 2012 at 5:02 PM, Sur, Sayantan <sayantan.sur at intel.com>wrote:

>  Hi Josh,****
>
> ** **
>
> I think we also had another discussion that Darius initiated regarding
> this. We discussed that we will allow p2p communication on communicator
> with ‘holes’, but disallow collectives. Since this seemed to satisfy your
> use cases. We were thinking about bringing in the validate as an “add-on”
> ticket. Are we still on track to do that?****
>
> ** **
>
> Thanks.****
>
> ** **
>
> ===****
>
> Sayantan Sur, Ph.D.****
>
> Intel Corp.****
>
> ** **
>
> *From:* mpi3-ft-bounces at lists.mpi-forum.org [mailto:
> mpi3-ft-bounces at lists.mpi-forum.org] *On Behalf Of *Josh Hursey
> *Sent:* Wednesday, January 25, 2012 12:56 PM
> *To:* MPI 3.0 Fault Tolerance and Dynamic Process Control working Group
> *Subject:* [Mpi3-ft] MPI_Comm_validate - What's in a name?****
>
> ** **
>
> On the call today it was suggested that we re-evaluate the name
> MPI_Comm_validate. It was pointed out that 'validate' seems a bit too close
> to 'invalid' which is probably not the semantic that we are trying to imply
> with the name. An alternative is 'check', but that is a bit close to
> 'checkpoint' so might not be the best either. So we are looking for a good
> name.****
>
> ** **
>
> We started a similar discussion for reenable_any_source, which might lend
> some ideas:****
>
>   http://lists.mpi-forum.org/mpi3-ft/2011/12/0931.php****
>
> ** **
>
> The semantic behind MPI_Comm_validate [at the moment] are:****
>
>  (1) A fault tolerant synchronization point returning a consistent value
> (failed group) at all participating processes****
>
>  (2) Allow for the posting of new collective operations on the
> communicator (a communicator with potential holes in it)****
>
> ** **
>
> Name suggestions are welcome.****
>
> ** **
>
> -- Josh
>
> ****
>
> ** **
>
> --
> Joshua Hursey
> Postdoctoral Research Associate
> Oak Ridge National Laboratory
> http://users.nccs.gov/~jjhursey****
>
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>



-- 
Joshua Hursey
Postdoctoral Research Associate
Oak Ridge National Laboratory
http://users.nccs.gov/~jjhursey
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