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Open MPI main development repository
Hi, just noticed that when I execute "mpiexec -V" with ompi/5.0.x branch, the return value is "243". All other versions of MPI used to return "0" I think... Screenshot: ```...
This PR adds `coll/smdirect`, a clone of `coll/sm` that relies on cross-process memory mapping as provided by XPMEM. In contrast to `coll/sm`, data is not copied into an intermediate buffer...
The C11 `_Atomic` qualifier requires accesses to such variables to be sequentially consistent [1], leading to unnecessary atomic operations in code paths where there cannot be concurrent accesses by other...
Thank you for taking the time to submit an issue! ## Background information I have OpenMPI installed as a PMIx-aware launcher for a separate OpenSHMEM implementation that also uses PMIx....
[updated the top-level github description to match the commit message]: On architectures that store long doubles as 80 bit extended precisions or as 64 bit "float64"s, we need conversions to...
Hi, I'm looking through OPAL's atomic utilities (opal/include/opal/sys/atomic.h), and I'm noticing that while there's a large collection of atomic operations, there exist no simple store/load functions (eg. `opal_atomic_store` or `opal_atomic_load`)....
I am having trouble linking applications against an Open MPI configured with `--disable-shared --enable-static`. Here is what I get: ``` $ make -C mpi/pt2pt/ osu_bibw [...] /bin/bash ../../libtool --tag=CXX --mode=link...
Originally taken from the "to-do" section in the Open MPI docs: - [x] Document what MPI-4.0 items are supported, e.g., sessions, persistent communication, ... - [x] What specifically does `--disable-io-romio`...
- [ ] It’s possible that a lot of *tokens* in the RST man pages should be `tokens`. - [ ] Look for “See the ___ section” text and create...