C++ (Cpp) ra_getrset Examples

Example #1

File: topology-aix.c Project: BlueBrain/hwloc

static int
hwloc_aix_get_sth_rset_cpubind(hwloc_topology_t topology, rstype_t what, rsid_t who, hwloc_bitmap_t hwloc_set, int flags __hwloc_attribute_unused, int *boundp)
{
  rsethandle_t rset;
  unsigned cpu, maxcpus;
  int res = -1;
  int bound = 0;

  rset = rs_alloc(RS_EMPTY);

  if (ra_getrset(what, who, 0, rset) == -1)
    goto out;

  hwloc_bitmap_zero(hwloc_set);
  maxcpus = rs_getinfo(rset, R_MAXPROCS, 0);
  for (cpu = 0; cpu < maxcpus; cpu++)
    if (rs_op(RS_TESTRESOURCE, rset, NULL, R_PROCS, cpu) == 1)
      hwloc_bitmap_set(hwloc_set, cpu);
    else
      bound = 1;
  hwloc_bitmap_and(hwloc_set, hwloc_set, hwloc_topology_get_complete_cpuset(topology));
  res = 0;
  *boundp = bound;

out:
  rs_free(rset);
  return res;
}

Example #2

File: topology-aix.c Project: 00datman/ompi

static int
hwloc_aix_get_sth_membind(hwloc_topology_t topology, rstype_t what, rsid_t who, hwloc_bitmap_t nodeset, hwloc_membind_policy_t *policy, int flags __hwloc_attribute_unused)
{
  hwloc_bitmap_t hwloc_set;
  rsethandle_t rset;
  unsigned cpu, maxcpus;
  int res = -1;
  int depth, n, i;

  depth = hwloc_get_type_depth(topology, HWLOC_OBJ_NUMANODE);
  if (depth < 0) {
    errno = EXDEV;
    return -1;
  }
  n = hwloc_get_nbobjs_by_depth(topology, depth);

  rset = rs_alloc(RS_EMPTY);

  if (ra_getrset(what, who, 0, rset) == -1)
    goto out;

  hwloc_set = hwloc_bitmap_alloc();

  maxcpus = rs_getinfo(rset, R_MAXPROCS, 0);
  for (cpu = 0; cpu < maxcpus; cpu++)
    if (rs_op(RS_TESTRESOURCE, rset, NULL, R_PROCS, cpu) == 1)
      hwloc_bitmap_set(hwloc_set, cpu);
  hwloc_bitmap_and(hwloc_set, hwloc_set, hwloc_topology_get_complete_cpuset(topology));

  hwloc_bitmap_zero(nodeset);
  for (i = 0; i < n; i++) {
    hwloc_obj_t obj = hwloc_get_obj_by_depth(topology, depth, i);
    if (hwloc_bitmap_isincluded(obj->cpuset, hwloc_set))
      hwloc_bitmap_set(nodeset, obj->os_index);
  }

  hwloc_bitmap_free(hwloc_set);

  *policy = HWLOC_MEMBIND_BIND;
  res = 0;

out:
  rs_free(rset);
  return res;
}