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

Josh Hursey jjhursey at open-mpi.org
Wed Jan 25 14:56:19 CST 2012

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

We started a similar discussion for reenable_any_source, which might lend
some ideas:

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
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