Merge pull request #12995 from rhc54/topic/dpm

Remove unnecessary qsort operation

ompi/dpm/dpm.c

@@ -100,18 +100,6 @@ int ompi_dpm_init(void)
     return OMPI_SUCCESS;
 }
 
-static int compare_pmix_proc(const void *a, const void *b)
-{
-    const pmix_proc_t *proc_a = (pmix_proc_t *)a;
-    const pmix_proc_t *proc_b = (pmix_proc_t *)b;
-
-    int nspace_dif = strncmp(proc_a->nspace, proc_b->nspace, PMIX_MAX_NSLEN);
-    if (nspace_dif != 0)
-        return nspace_dif;
-
-    return proc_a->rank - proc_b->rank;
-}
-
 int ompi_dpm_connect_accept(ompi_communicator_t *comm, int root,
                             const char *port_string, bool send_first,
                             ompi_communicator_t **newcomm)
@@ -395,10 +383,6 @@ int ompi_dpm_connect_accept(ompi_communicator_t *comm, int root,
     PMIX_INFO_CONSTRUCT(&tinfo);
     PMIX_INFO_LOAD(&tinfo, PMIX_TIMEOUT, &ompi_pmix_connect_timeout, PMIX_UINT32);
 
-    /*
-     * sort procs so that all ranks call PMIx_Connect() with the processes in same order
-     */
-    qsort(procs, nprocs, sizeof(pmix_proc_t), compare_pmix_proc);
     pret = PMIx_Connect(procs, nprocs, &tinfo, 1);
     PMIX_INFO_DESTRUCT(&tinfo);
     PMIX_PROC_FREE(procs, nprocs);