[v6.0.x] mpi: implement MPI_Get_hw_resource_info version two - #14362
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Populate URI-form hardware resource information from hwloc and accept the returned keys in hardware-guided communicator splitting. address hardware resource review feedback Serialize lazy topology discovery, use live CPU bindings for URI-guided splits, and return empty info outside the active MPI lifetime. Move and expand the regression test under test/mpi/environment and document communicator ownership and exclusion semantics. Signed-off-by: Musawer Ahmad Saqif <saqif@umich.edu> Signed-off-by: Howard Pritchard <howardp@lanl.gov> (cherry picked from commit adaa89c)
Signed-off-by: Howard Pritchard <howardp@lanl.gov> Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> Signed-off-by: Howard Pritchard <hppritcha@gmail.com> (cherry picked from commit b1806a1)
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Backport of #14317 to
v6.0.x.Populate URI-form hardware resource information from hwloc and accept the returned keys in hardware-guided communicator splitting.
Signed-off-by: Musawer Ahmad Saqif saqif@umich.edu