[Mpi3-hybridpm] MPI_THREAD_SINGLE

Pavan Balaji balaji at mcs.anl.gov
Tue Mar 26 11:09:53 CDT 2013

Hi Jeff,

On 03/26/2013 07:26 AM US Central Time, Jeff Squyres (jsquyres) wrote:
> 2. Lines 28-31 is specifically talking about a non-thread-complaint
> implementation; it says that it must return THREAD_SINGLE and provide
> correct answers for functions like MPI_INITIALIZED even from multiple
> threads (assumedly even simultaneously) before MPI has been
> initialized.

Please note that the rationale there says that this would still be an
incorrect application, but it allows the application to abort gracefully
instead of creating garbage output.

So, in that sense, the standard is still consistent, IMO.

 -- Pavan

Pavan Balaji

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