Re: [OMPI devel] Question about the future of C++ API support

2023-10-30 Thread Orion Poplawski via devel
than the C > bindings).  There were a small number of users who actually used the MPI C++ > bindings, but to my knowledge, they all migrated to the C bindings over time. > > ------ > *From:* devel on behalf of Or

Re: [OMPI devel] Question about the future of C++ API support

2023-10-26 Thread Orion Poplawski via devel
On 10/26/23 21:15, Orion Poplawski via devel wrote: I see that openmpi 5.0.0 drops the C++ API.  I'm trying to find some background on this. Never mind - I see now that it has been deprecated since 2.0.0, although I'm sure it will catch some projects off guard still :) MUSIC has had a bug

[OMPI devel] Question about the future of C++ API support

2023-10-26 Thread Orion Poplawski via devel
I see that openmpi 5.0.0 drops the C++ API. I'm trying to find some background on this. In particular, is this likely to be a permanent change? Also, have there been discussions of users of the C++ API? In Fedora we seem to have: MUSIC-1.1.16-13.20201002git8c6b77a.fc39.src.rpm

Re: [OMPI devel] Open MPI 4.1.6rc1 release candidate posted

2023-09-06 Thread Orion Poplawski via devel
On 8/8/23 07:34, Jeff Squyres (jsquyres) via devel wrote: There have been enough minor fixes to warrant a 4.1.6 release.  We've posted 4.1.6rc1 tarballs in the usual location: https://www.open-mpi.org/software/ompi/v4.1/ .. We would welcome and

[OMPI devel] Restore OMPI_MCA_rmaps_base_oversubscribe or equivalent

2022-04-22 Thread Orion Poplawski via devel
When building packages for Fedora, tests must often be run in an oversubscribed manner. It is also often quite difficult to modify the command line of those tests. As such, Fedora has long defined the OMPI_MCA_rmaps_base_oversubscribe=1 variable in the build environment to allow this to

Re: [OMPI devel] openmpi/pmix compatibility

2021-10-10 Thread Orion Poplawski via devel
Indeed, 4.1.2rc1 appears to build fine. Thanks. On 10/10/21 7:37 AM, Ralph Castain via devel wrote: It was a bug (typo in the attribute name when backported from OMPI master) in OMPI 4.1.1 - it has been fixed. On Oct 9, 2021, at 9:18 PM, Orion Poplawski via devel wrote: It looks like

[OMPI devel] openmpi/pmix compatibility

2021-10-09 Thread Orion Poplawski via devel
It looks like openmpi 4.1.1 is not compatible with pmix 4.1.0 - is that expected? In file included from ../../../../opal/mca/pmix/base/base.h:22, from common_ofi.c:29: common_ofi.c: In function 'get_package_rank': common_ofi.c:321:40: error: 'PMIX_PACKAGE_RANK' undeclared

[OMPI devel] Support timelines

2021-09-16 Thread Orion Poplawski via devel
Is there any documentation that would indicate how long the 4.0 (or any particular release series) will be supported? This would be helpful for establishing downstream timelines. Thanks! -- Orion Poplawski he/him/his - surely the least important thing about me Manager of NWRA Technical

Re: [OMPI devel] Open MPI 3rd party packaging changes

2020-10-08 Thread Orion Poplawski via devel
On 10/1/20 1:43 PM, Barrett, Brian via devel wrote: All - Only 6 months after I promised the code would be done, the changes we discussed in February around 3rd party packages (Libevent, HWLOC, PMIx, and PRRTE) are merged to master. With these changes, Open MPI will prefer an external