LSF expresses its affinity file in hwthreads and expects those to be used as cpus, so set things accordingly

orte/mca/ras/lsf/ras_lsf_module.c

@@ -30,6 +30,7 @@
 #include <lsf/lsbatch.h>
 
 #include "opal/util/argv.h"
+#include "opal/mca/hwloc/hwloc.h"
 
 #include "orte/mca/rmaps/rmaps_types.h"
 #include "orte/mca/errmgr/errmgr.h"
@@ -134,6 +135,12 @@ static int allocate(orte_job_t *jdata, opal_list_t *nodes)
         jdata->map->req_mapper = strdup("seq"); // need sequential mapper
         /* tell the sequential mapper that all cpusets are to be treated as "physical" */
         orte_set_attribute(&jdata->attributes, ORTE_JOB_PHYSICAL_CPUIDS, true, NULL, OPAL_BOOL);
+        /* LSF provides its info as hwthreads, so set the hwthread-as-cpus flag */
+        opal_hwloc_use_hwthreads_as_cpus = true;
+        /* don't override something provided by the user, but default to bind-to hwthread */
+        if (!OPAL_BINDING_POLICY_IS_SET(opal_hwloc_binding_policy)) {
+            OPAL_SET_BINDING_POLICY(opal_hwloc_binding_policy, OPAL_BIND_TO_HWTHREAD);
+        }
         /* get the apps and set the hostfile attribute in each to point to
          * the hostfile */
         for (i=0; i < jdata->apps->size; i++) {