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  4. hwloc_get_next_child(3)

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hwlocality_helper_ancestors(3) Hardware Locality (hwloc) hwlocality_helper_ancestors(3)

NAME

hwlocality_helper_ancestors

SYNOPSIS

Functions


static hwloc_obj_t hwloc_get_ancestor_obj_by_depth (hwloc_topology_t topology, unsigned depth, hwloc_obj_t obj)
static hwloc_obj_t hwloc_get_ancestor_obj_by_type (hwloc_topology_t topology, hwloc_obj_type_t type, hwloc_obj_t obj)
static hwloc_obj_t hwloc_get_common_ancestor_obj (hwloc_topology_t topology, hwloc_obj_t obj1, hwloc_obj_t obj2)
static int hwloc_obj_is_in_subtree (hwloc_topology_t topology, hwloc_obj_t obj, hwloc_obj_t subtree_root)
static hwloc_obj_t hwloc_get_next_child (hwloc_topology_t topology, hwloc_obj_t parent, hwloc_obj_t prev)

Detailed Description

Be sure to see the figure in Terms and Definitions that shows a complete topology tree, including depths, child/sibling/cousin relationships, and an example of an asymmetric topology where one package has fewer caches than its peers.

Function Documentation

static hwloc_obj_t hwloc_get_ancestor_obj_by_depth (hwloc_topology_t topology, unsigned depth, hwloc_obj_t obj) [inline], [static]

Returns the ancestor object of obj at depth depth.

static hwloc_obj_t hwloc_get_ancestor_obj_by_type (hwloc_topology_t topology, hwloc_obj_type_t type, hwloc_obj_t obj) [inline], [static]

Returns the ancestor object of obj with type type.

static hwloc_obj_t hwloc_get_common_ancestor_obj (hwloc_topology_t topology, hwloc_obj_t obj1, hwloc_obj_t obj2) [inline], [static]

Returns the common parent object to objects obj1 and obj2.

static hwloc_obj_t hwloc_get_next_child (hwloc_topology_t topology, hwloc_obj_t parent, hwloc_obj_t prev) [inline], [static]

Return the next child. If prev is NULL, return the first child.

static int hwloc_obj_is_in_subtree (hwloc_topology_t topology, hwloc_obj_t obj, hwloc_obj_t subtree_root) [inline], [static]

Returns true if obj is inside the subtree beginning with ancestor object subtree_root.

Note:

This function assumes that both obj and subtree_root have a cpuset.

Author

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Wed Sep 6 2017 Version 1.11.8