Re: [OMPI users] mpi_wtime implementation

2014-11-28 Thread George Bosilca
https://github.com/open-mpi/ompi/pull/292 George. On Thu, Nov 27, 2014 at 7:45 AM, Jeff Squyres (jsquyres) wrote: > Gilles' concern is correct: we should never return timer values that go > backwards. > > Perhaps the TSC-based WTIME should only be used in a process that is bound > to a singl

Re: [OMPI users] "default-only MCA variable"?

2014-11-28 Thread Dave Love
Gustavo Correa writes: > Hi Dave, Gilles, list > > There is a problem with knem in OMPI 1.8.3. > A fix is supposed to come on OMPI 1.8.4. > Please, see this long thread: > http://www.open-mpi.org/community/lists/users/2014/10/25511.php > > Note also, as documented in the thread, > that in the OM

Re: [OMPI users] "default-only MCA variable"?

2014-11-28 Thread Dave Love
Gilles Gouaillardet writes: > It could be because configure did not find the knem headers and hence knem is > not supported and hence this mca parameter is read-only Yes, in that case (though knem was meant to be used and it's annoying that configure doesn't abort if it doesn't find something y

Re: [OMPI users] Fwd: [EXTERNAL] Re: How to find MPI ranks located in remote nodes?

2014-11-28 Thread George Bosilca
The same functionality can be trivially achieved at the user level using Adam's approach. If we provide a shortcut in Open MPI, we should emphasize this is an MPI extension, and offer the opportunity to other MPI to provide a compatible support Thus, I would name all new types MPIX_ instead of OMP

Re: [OMPI users] Fwd: [EXTERNAL] Re: How to find MPI ranks located in remote nodes?

2014-11-28 Thread Nick Papior Andersen
So I reworked the idea and got it working. I also got it compiled. The non-standard flags are now with OMPI_ while the standard has MPI_. I also added to more split types. The manual is also updated. >> Note to devs: I had problems right after the autogen.pl script. Procedure: $> git clone .. ompi