bosilca

Define valid in this particular context ? From the communication perspective it is invalid to have a non-zero count with an invalid datatype, but the communication is bound to a...

As the info message clearly indicates NFS is not a suitable backend for the shared memory files, and it will most likely not work (due to lack of a proper...

There are many confusing statements and observations here, to the point that understanding what is the real problem and what is causing it is difficult. 1. running `hostname` with `mpirun...

According to [Godbolt](https://godbolt.org/z/fcKcsxvfs) clang 18-20 does not support atomic operations on 16 bytes on x86_64 without the `-mcx16` flag. However, with the proper flag the generated code is very similar...

That's kind of good, we have a solution. But it's also bad because 1) we already have that test but apparently not picking the pieces correctly, 2) the non-16B part...

The MPI standard does not mandate an integer handle, and certainly not a globally unique integer handle for a window. In fact, no MPI implementation is providing such a guarantee,...

We talked about this today on slack and have some leads. First, the datatype built in the allgatherv is contiguous as indicated by the dump below: ``` Datatype 0x124e14380[] id...

Nobody changed Chapter 7 recently to make such a change and as indicated by @edgargabriel files have the same behavior, which indicates that the MPI standard has been consistent with...

@qkoziol please keep us informed on the forum discussion, to have a basis on moving this forward one way or another.

Add `-D _POSIX_C_SOURCE=20240101L" to `libopalutilkeyval_la_CFLAGS` in opal/util/keyval/Makefile.am ? I guess you will need to so the same for all lex/yacc outputs