Re: [OMPI devel] Open MPI v4.0.1: Process is hanging inside MPI_Init() when debugged with TotalView

that variable. It will change value only once (in a callback triggered from opal_progress), and the volatile guarantees that loads will be issued for every access, so the waiting thread will eventually notice the change. George. On Tue, Nov 12, 2019 at 9:48 AM

Re: [OMPI devel] Open MPI v4.0.1: Process is hanging inside MPI_Init() when debugged with TotalView

ancel +orterun : 1:1[p1.1] +opal_libevent2022_event_base_loop@event.c#1630 +poll_dispatch@poll.c#165 +__poll_nocancel d1.<> On 11/12/19 9:47 AM, Austen W Lauria via devel wrote: Could it be that some processes are not seeing the flag get updated? I do

Re: [OMPI devel] Open MPI v4.0.1: Process is hanging inside MPI_Init() when debugged with TotalView

Could it be that some processes are not seeing the flag get updated? I don't think just using a simple while loop with a volatile variable is sufficient in all cases in a multi-threaded environment. It's my understanding that the volatile keyword just tells the compiler to not optimize or do

Re: [OMPI devel] Open MPI v4.0.1: Process is hanging inside MPI_Init() when debugged with TotalView

+poll_dispatch@poll.c#165 +__poll_nocancel d1.<> On 11/12/19 9:47 AM, Austen W Lauria via devel wrote: Could it be that some processes are not seeing the flag get updated? I don't think just using a simple while loop

[OMPI devel] 5.0.x features need github issues

Hi all. Going over the features list in the 5.0.x wiki here: https://github.com/open-mpi/ompi/wiki/5.0.x-FeatureList there are very few issues associated with these items. These issues need to be created in the ompi github for the release managers to properly track them. Therefore, when you

Re: [OMPI devel] Open MPI v5.0.x branch created

Hi Eric,   Yes, please open up issues as you see them; there's no need to wait for an rc. Since you found this on v5.0.x, it is likely in master as well. And even if not it's good to get these squashed sooner rather than later.   Here is a link to github to open up an issue:  

[OMPI devel] Announcing Open MPI v5.0.0rc2

The second release candidate for the Open MPI v5.0.0 release is posted at: https://www.open-mpi.org/software/ompi/v5.0/   Major changes since rc1 include:   v5.0.0rc2 -- October, 2021   - OFI: Delay patcher initialization until needed. It will now  be initialized only after the

[OMPI devel] Announcing Open MPI v5.0.0rc1

The first release candidate for the Open MPI v5.0.0 release is posted at: https://www.open-mpi.org/software/ompi/v5.0/   Major changes include: v5.0.0rc1 -- September, 2021- ORTE, the underlying OMPI launcher has been removed, and replaced  with PRTE.- Reworked how Open MPI

[OMPI devel] Open MPI v5.0.0rc4 available for testing

Open MPI v5.0.0rc4 is now available for testing (https://www.open-mpi.org/software/ompi/v5.0/). Please test and send feedback either via the user mailing lists or create an issue at

[OMPI devel] Open MPI v5.0.0rc5 available for testing

Open MPI v5.0.0rc5 is now available for testing at https://www.open-mpi.org/software/ompi/v5.0/. Please test and send feedback either via the user mailing lists or create an issue at

[OMPI devel] Open MPI v5.0.0rc6 available for testing

Open MPI v5.0.0rc6 is now available for testing at https://www.open-mpi.org/software/ompi/v5.0/. Please test and send feedback either via the user mailing lists or create an issue at

[OMPI devel] Open MPI v5.0.0rc7 available for testing

Open MPI v5.0.0rc7 is now available for testing at https://www.open-mpi.org/software/ompi/v5.0/ . Please test and send feedback either via the user mailing lists or create an issue at

[OMPI devel] What PMIx version(s) does v5.0.0 and main support?

There is a question as to what PMIx versions OMPI supports, specifically with respect to v5.0.0 and main. This came to our attention where a user tried to build OMPI v5 with PMIx v3.2.3, and ran into compile issues: https://github.com/open-mpi/ompi/issues/10341 This leads to some open questions:

[OMPI devel] Open MPI v5.0.0rc9 is available for testing

Open MPI v5.0.0rc9 is now available for testing at https://www.open-mpi.org/software/ompi/v5.0/ . Please test, and send feedback either via the user mailing lists, or create an issue at

[OMPI devel] Open MPI v5.0.0rc8 is available for testing

Open MPI v5.0.0rc8 is now available for testing at https://www.open-mpi.org/software/ompi/v5.0/ . Please test and send feedback either via the user mailing lists or create an issue at

[OMPI devel] Open MPI v5.0.0rc11 is available for testing

Open MPI v5.0.0rc11 is now available for testing at https://www.open-mpi.org/software/ompi/v5.0/ . Please test and send feedback either via the user mailing lists or create an issue at