Pull in the topology early and set cache line size

contrib/platform/intel/bend/mac

@@ -12,7 +12,7 @@ enable_ipv6=no
 enable_man_pages=no
 enable_mpi_fortran=no
 enable_memchecker=no
-enable_mca_no_build=memchecker,coll-adapt,coll-cuda,coll-demo,coll-ftagree,coll-han,coll-hcoll,coll-inter,coll-libnbc,coll-monitoring,coll-portals4,coll-tuned,common-monitoring,common-ompio,fbtl,fcoll,fs,io,mtl,osc,pml-cm,pml-monitoring,pml-ucx,pml-v,sharedfp,topo,vprotocol,btl-ofi,btl-portals4,btl-smcuda,btl-uct,btl-ugni,btl-usnic,common-cuda,common-ofi,common-ucx
+enable_mca_no_build=memchecker,common-monitoring,common-ompio,fbtl,fcoll,fs,io,mtl,osc,pml-cm,pml-monitoring,pml-ucx,pml-v,sharedfp,topo,vprotocol,btl-ofi,btl-portals4,btl-smcuda,btl-uct,btl-ugni,btl-usnic,common-cuda,common-ofi,common-ucx
 enable_contrib_no_build=libompitrace
 with_memory_manager=no
 with_devel_headers=yes

ompi/runtime/ompi_mpi_init.c

@@ -26,6 +26,7 @@
  * Copyright (c) 2018      FUJITSU LIMITED.  All rights reserved.
  * Copyright (c) 2020      Amazon.com, Inc. or its affiliates.
  *                         All Rights reserved.
+ * Copyright (c) 2021      Nanook Consulting.  All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -402,6 +403,7 @@ int ompi_mpi_init(int argc, char **argv, int requested, int *provided,
     pmix_status_t rc;
     OMPI_TIMING_INIT(64);
     opal_pmix_lock_t mylock;
+    opal_process_name_t pname;
 
     ompi_hook_base_mpi_init_top(argc, argv, requested, provided);
 
@@ -445,6 +447,7 @@ int ompi_mpi_init(int argc, char **argv, int requested, int *provided,
     ompi_mpi_thread_level(requested, provided);
 
     /* Setup enough to check get/set MCA params */
+    memset(&opal_process_info, 0, sizeof(opal_process_info));
     if (OPAL_SUCCESS != (ret = opal_init_util(&argc, &argv))) {
         error = "ompi_mpi_init: opal_init_util failed";
         goto error;
@@ -470,6 +473,40 @@ int ompi_mpi_init(int argc, char **argv, int requested, int *provided,
         goto error;
     }
 
+    /* setup our internal nspace hack */
+    opal_pmix_setup_nspace_tracker();
+    /* init PMIx */
+    if (PMIX_SUCCESS != (ret = PMIx_Init(&opal_process_info.myprocid, NULL, 0))) {
+        /* if we get PMIX_ERR_UNREACH indicating that we cannot reach the
+         * server, then we assume we are operating as a singleton */
+        if (PMIX_ERR_UNREACH == ret) {
+            ompi_singleton = true;
+        } else {
+            /* we cannot run - this could be due to being direct launched
+             * without the required PMI support being built, so print
+             * out a help message indicating it */
+            opal_show_help("help-mpi-runtime.txt", "no-pmi", true, PMIx_Error_string(ret));
+            return OPAL_ERR_SILENT;
+        }
+    }
+    /* setup the process name fields - also registers the new nspace */
+    OPAL_PMIX_CONVERT_PROCT(ret, &pname, &opal_process_info.myprocid);
+    if (OPAL_SUCCESS != ret) {
+        error = "ompi_mpi_init: converting process name";
+        goto error;
+    }
+    OPAL_PROC_MY_NAME.jobid = pname.jobid;
+    OPAL_PROC_MY_NAME.vpid = pname.vpid;
+    opal_process_info.my_name.jobid = OPAL_PROC_MY_NAME.jobid;
+    opal_process_info.my_name.vpid = OPAL_PROC_MY_NAME.vpid;
+
+    /* get our topology and cache line size */
+    ret = opal_hwloc_base_get_topology();
+    if (OPAL_SUCCESS != ret) {
+        error = "ompi_mpi_init: get topology";
+        goto error;
+    }
+
     if (OPAL_SUCCESS != (ret = opal_arch_set_fortran_logical_size(sizeof(ompi_fortran_logical_t)))) {
         error = "ompi_mpi_init: opal_arch_set_fortran_logical_size failed";
         goto error;

ompi/runtime/ompi_rte.c

@@ -543,7 +543,6 @@ int ompi_rte_init(int *pargc, char ***pargv)
 
     u32ptr = &u32;
     u16ptr = &u16;
-    memset(&opal_process_info, 0, sizeof(opal_process_info));
 
     /* Convince OPAL to use our naming scheme */
     opal_process_name_print = _process_name_print_for_opal;
@@ -561,34 +560,6 @@ int ompi_rte_init(int *pargc, char ***pargv)
         goto error;
     }
 
-    /* setup our internal nspace hack */
-    opal_pmix_setup_nspace_tracker();
-
-    /* initialize the selected module */
-    if (PMIX_SUCCESS != (ret = PMIx_Init(&opal_process_info.myprocid, NULL, 0))) {
-        /* if we get PMIX_ERR_UNREACH indicating that we cannot reach the
-         * server, then we assume we are operating as a singleton */
-        if (PMIX_ERR_UNREACH == ret) {
-            ompi_singleton = true;
-        } else {
-            /* we cannot run - this could be due to being direct launched
-             * without the required PMI support being built, so print
-             * out a help message indicating it */
-            opal_show_help("help-mpi-runtime.txt", "no-pmi", true, PMIx_Error_string(ret));
-            return OPAL_ERR_SILENT;
-        }
-    }
-
-    /* setup the process name fields - also registers the new nspace */
-    OPAL_PMIX_CONVERT_PROCT(rc, &pname, &opal_process_info.myprocid);
-    if (OPAL_SUCCESS != rc) {
-        return rc;
-    }
-    OPAL_PROC_MY_NAME.jobid = pname.jobid;
-    OPAL_PROC_MY_NAME.vpid = pname.vpid;
-    opal_process_info.my_name.jobid = OPAL_PROC_MY_NAME.jobid;
-    opal_process_info.my_name.vpid = OPAL_PROC_MY_NAME.vpid;
-
     /* set our hostname */
     ev1 = NULL;
     OPAL_MODEX_RECV_VALUE_OPTIONAL(ret, PMIX_HOSTNAME, &OPAL_PROC_MY_NAME,