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MXM: avoid disconnecting from a process which is still doing communication #973

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MXM: avoid disconnecting from a process which is still doing communication #973

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2 changes: 2 additions & 0 deletions ompi/mca/mtl/mxm/mtl_mxm.c
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Expand Up @@ -599,6 +599,8 @@ int ompi_mtl_mxm_del_procs(struct mca_mtl_base_module_t *mtl, size_t nprocs,

#if MXM_API >= MXM_VERSION(3,1)
if (ompi_mtl_mxm.bulk_disconnect && nprocs == ompi_proc_world_size ()) {
/* avoid disconnecting from a process which is still doing communication */
opal_pmix.fence(NULL, 0);
mxm_ep_powerdown(ompi_mtl_mxm.ep);
}
#endif
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2 changes: 2 additions & 0 deletions ompi/mca/pml/yalla/pml_yalla.c
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Expand Up @@ -257,6 +257,8 @@ int mca_pml_yalla_del_procs(struct ompi_proc_t **procs, size_t nprocs)

if (ompi_mpi_finalized) {
PML_YALLA_VERBOSE(3, "using bulk powerdown");
/* avoid disconnecting from a process which is still doing communication */
opal_pmix.fence(NULL, 0);
mxm_ep_powerdown(ompi_pml_yalla.mxm_ep);
}

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