v6.0.x: coll: Remove hcoll component #13480
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This commit completely removes the mca/coll/hcoll component from the Open MPI source code. The hcoll component provided integration with Mellanox's Hierarchical Collectives library for collective operation offload. Changes include: - Removed ompi/mca/coll/hcoll component directory and all source files - Removed config/ompi_check_libhcoll.m4 configuration macro - Updated coll_tags.h to remove HCOLL tag space definitions - Updated coll_base_allgather.c and coll_base_allgatherv.c to use NEIGHBOR tag space instead of HCOLL tag space - Removed hcoll references from platform configuration files - Removed hcoll documentation and configuration options - Removed hcoll references from code comments Signed-off-by: Tomislav Janjusic <[email protected]> (cherry picked from commit 87335ba)
edgargabriel
approved these changes
Oct 28, 2025
bosilca
approved these changes
Oct 28, 2025
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This commit completely removes the mca/coll/hcoll component from the Open MPI source code. The hcoll component provided integration with Mellanox's Hierarchical Collectives library for collective operation offload.
Changes include:
(cherry picked from commit 87335ba)