enum hwloc_get_type_depth_e { HWLOC_TYPE_DEPTH_UNKNOWN, HWLOC_TYPE_DEPTH_MULTIPLE }
unsigned hwloc_topology_get_depth (hwloc_topology_t restrict topology)
int hwloc_get_type_depth (hwloc_topology_t topology, hwloc_obj_type_t type)
hwloc_obj_type_t hwloc_get_depth_type (hwloc_topology_t topology, unsigned depth)
unsigned hwloc_get_nbobjs_by_depth (hwloc_topology_t topology, unsigned depth)
static inline int hwloc_get_nbobjs_by_type (hwloc_topology_t topology, hwloc_obj_type_t type)
int hwloc_topology_is_thissystem (hwloc_topology_t restrict topology)
Enumerator:
Returns the type of objects at depth depth. Returns:
Returns the width of level at depth depth.
Returns the width of level type type. If no object for that type exists, 0 is returned. If there are several levels with objects of that type, -1 is returned.
Returns the depth of objects of type type. If no object of this type is present on the underlying architecture, or if the OS doesn't provide this kind of information, the function returns HWLOC_TYPE_DEPTH_UNKNOWN.
If type is absent but a similar type is acceptable, see also hwloc_get_type_or_below_depth() and hwloc_get_type_or_above_depth().
If some objects of the given type exist in different levels, for instance L1 and L2 caches, the function returns HWLOC_TYPE_DEPTH_MULTIPLE.
Get the depth of the hierachical tree of objects. This is the depth of HWLOC_OBJ_PU objects plus one.
Does the topology context come from this system? Returns:
0 instead (for instance if using another file-system root, a XML topology file, or a synthetic topology).
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