SysTutorials Posts

NAME hwlocality_gl – Interoperability with OpenGL displays Functions static hwloc_obj_t hwloc_gl_get_display_osdev_by_port_device (hwloc_topology_t topology, unsigned port, unsigned device) static hwloc_obj_t hwloc_gl_get_display_osdev_by_name (hwloc_topology_t topology, const char *name) static int hwloc_gl_get_display_by_osdev (hwloc_topology_t topology, hwloc_obj_t osdev, unsigned *port, unsigned *device) Detailed Description This interface offers ways to retrieve topology information about OpenGL displays. Only the NVIDIA display locality information…

NAME hwlocality_distances – Manipulating Distances Functions static const struct hwloc_distances_s * hwloc_get_whole_distance_matrix_by_depth (hwloc_topology_t topology, unsigned depth) static const struct hwloc_distances_s * hwloc_get_whole_distance_matrix_by_type (hwloc_topology_t topology, hwloc_obj_type_t type) static const struct hwloc_distances_s * hwloc_get_distance_matrix_covering_obj_by_depth (hwloc_topology_t topology, hwloc_obj_t obj, unsigned depth, unsigned *firstp) static int hwloc_get_latency (hwloc_topology_t topology, hwloc_obj_t obj1, hwloc_obj_t obj2, float *latency, float *reverse_latency) Detailed Description…

NAME hwlocality_distances – Manipulating Distances Functions static const struct hwloc_distances_s * hwloc_get_whole_distance_matrix_by_depth (hwloc_topology_t topology, unsigned depth) static const struct hwloc_distances_s * hwloc_get_whole_distance_matrix_by_type (hwloc_topology_t topology, hwloc_obj_type_t type) static const struct hwloc_distances_s * hwloc_get_distance_matrix_covering_obj_by_depth (hwloc_topology_t topology, hwloc_obj_t obj, unsigned depth, unsigned *firstp) static int hwloc_get_latency (hwloc_topology_t topology, hwloc_obj_t obj1, hwloc_obj_t obj2, float *latency, float *reverse_latency) Detailed Description…

NAME hwlocality_levels – Object levels, depths and types Enumerations enum hwloc_get_type_depth_e { HWLOC_TYPE_DEPTH_UNKNOWN, HWLOC_TYPE_DEPTH_MULTIPLE, HWLOC_TYPE_DEPTH_BRIDGE, HWLOC_TYPE_DEPTH_PCI_DEVICE, HWLOC_TYPE_DEPTH_OS_DEVICE } Functions unsigned hwloc_topology_get_depth (hwloc_topology_t restrict topology) int hwloc_get_type_depth (hwloc_topology_t topology, hwloc_obj_type_t type) static int hwloc_get_type_or_below_depth (hwloc_topology_t topology, hwloc_obj_type_t type) static int hwloc_get_type_or_above_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…

NAME hwlocality_levels – Object levels, depths and types Enumerations enum hwloc_get_type_depth_e { HWLOC_TYPE_DEPTH_UNKNOWN, HWLOC_TYPE_DEPTH_MULTIPLE, HWLOC_TYPE_DEPTH_BRIDGE, HWLOC_TYPE_DEPTH_PCI_DEVICE, HWLOC_TYPE_DEPTH_OS_DEVICE } Functions unsigned hwloc_topology_get_depth (hwloc_topology_t restrict topology) int hwloc_get_type_depth (hwloc_topology_t topology, hwloc_obj_type_t type) static int hwloc_get_type_or_below_depth (hwloc_topology_t topology, hwloc_obj_type_t type) static int hwloc_get_type_or_above_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…

NAME hwlocality_levels – Object levels, depths and types Enumerations enum hwloc_get_type_depth_e { HWLOC_TYPE_DEPTH_UNKNOWN, HWLOC_TYPE_DEPTH_MULTIPLE, HWLOC_TYPE_DEPTH_BRIDGE, HWLOC_TYPE_DEPTH_PCI_DEVICE, HWLOC_TYPE_DEPTH_OS_DEVICE } Functions unsigned hwloc_topology_get_depth (hwloc_topology_t restrict topology) int hwloc_get_type_depth (hwloc_topology_t topology, hwloc_obj_type_t type) static int hwloc_get_type_or_below_depth (hwloc_topology_t topology, hwloc_obj_type_t type) static int hwloc_get_type_or_above_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…

NAME hwlocality_levels – Object levels, depths and types Enumerations enum hwloc_get_type_depth_e { HWLOC_TYPE_DEPTH_UNKNOWN, HWLOC_TYPE_DEPTH_MULTIPLE, HWLOC_TYPE_DEPTH_BRIDGE, HWLOC_TYPE_DEPTH_PCI_DEVICE, HWLOC_TYPE_DEPTH_OS_DEVICE } Functions unsigned hwloc_topology_get_depth (hwloc_topology_t restrict topology) int hwloc_get_type_depth (hwloc_topology_t topology, hwloc_obj_type_t type) static int hwloc_get_type_or_below_depth (hwloc_topology_t topology, hwloc_obj_type_t type) static int hwloc_get_type_or_above_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…

NAME hwlocality_cpubinding – CPU binding Enumerations enum hwloc_cpubind_flags_t { HWLOC_CPUBIND_PROCESS, HWLOC_CPUBIND_THREAD, HWLOC_CPUBIND_STRICT, HWLOC_CPUBIND_NOMEMBIND } Functions int hwloc_set_cpubind (hwloc_topology_t topology, hwloc_const_cpuset_t set, int flags) int hwloc_get_cpubind (hwloc_topology_t topology, hwloc_cpuset_t set, int flags) int hwloc_set_proc_cpubind (hwloc_topology_t topology, hwloc_pid_t pid, hwloc_const_cpuset_t set, int flags) int hwloc_get_proc_cpubind (hwloc_topology_t topology, hwloc_pid_t pid, hwloc_cpuset_t set, int flags) int hwloc_set_thread_cpubind (hwloc_topology_t topology,…

NAME hwlocality_helper_find_cache – Looking at Cache Objects Functions static int hwloc_get_cache_type_depth (hwloc_topology_t topology, unsigned cachelevel, hwloc_obj_cache_type_t cachetype) static hwloc_obj_t hwloc_get_cache_covering_cpuset (hwloc_topology_t topology, hwloc_const_cpuset_t set) static hwloc_obj_t hwloc_get_shared_cache_covering_obj (hwloc_topology_t topology, hwloc_obj_t obj) Detailed Description Function Documentation static hwloc_obj_t hwloc_get_cache_covering_cpuset (hwloc_topology_t topology, hwloc_const_cpuset_t set) [inline], [static] Get the first cache covering a cpuset set. Returns: NULL if…

NAME hwlocality_levels – Object levels, depths and types Enumerations enum hwloc_get_type_depth_e { HWLOC_TYPE_DEPTH_UNKNOWN, HWLOC_TYPE_DEPTH_MULTIPLE, HWLOC_TYPE_DEPTH_BRIDGE, HWLOC_TYPE_DEPTH_PCI_DEVICE, HWLOC_TYPE_DEPTH_OS_DEVICE } Functions unsigned hwloc_topology_get_depth (hwloc_topology_t restrict topology) int hwloc_get_type_depth (hwloc_topology_t topology, hwloc_obj_type_t type) static int hwloc_get_type_or_below_depth (hwloc_topology_t topology, hwloc_obj_type_t type) static int hwloc_get_type_or_above_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…

NAME hwlocality_helper_find_misc – Finding objects, miscellaneous helpers Functions static hwloc_obj_t hwloc_get_pu_obj_by_os_index (hwloc_topology_t topology, unsigned os_index) static hwloc_obj_t hwloc_get_numanode_obj_by_os_index (hwloc_topology_t topology, unsigned os_index) unsigned hwloc_get_closest_objs (hwloc_topology_t topology, hwloc_obj_t src, hwloc_obj_t *restrict objs, unsigned max) static hwloc_obj_t hwloc_get_obj_below_by_type (hwloc_topology_t topology, hwloc_obj_type_t type1, unsigned idx1, hwloc_obj_type_t type2, unsigned idx2) static hwloc_obj_t hwloc_get_obj_below_array_by_type (hwloc_topology_t topology, int nr, hwloc_obj_type_t *typev,…

NAME hwlocality_membinding – Memory binding Enumerations enum hwloc_membind_policy_t { HWLOC_MEMBIND_DEFAULT, HWLOC_MEMBIND_FIRSTTOUCH, HWLOC_MEMBIND_BIND, HWLOC_MEMBIND_INTERLEAVE, HWLOC_MEMBIND_REPLICATE, HWLOC_MEMBIND_NEXTTOUCH, HWLOC_MEMBIND_MIXED } enum hwloc_membind_flags_t { HWLOC_MEMBIND_PROCESS, HWLOC_MEMBIND_THREAD, HWLOC_MEMBIND_STRICT, HWLOC_MEMBIND_MIGRATE, HWLOC_MEMBIND_NOCPUBIND } Functions int hwloc_set_membind_nodeset (hwloc_topology_t topology, hwloc_const_nodeset_t nodeset, hwloc_membind_policy_t policy, int flags) int hwloc_set_membind (hwloc_topology_t topology, hwloc_const_cpuset_t cpuset, hwloc_membind_policy_t policy, int flags) int hwloc_get_membind_nodeset (hwloc_topology_t topology, hwloc_nodeset_t nodeset, hwloc_membind_policy_t *policy,…

NAME hwlocality_membinding – Memory binding Enumerations enum hwloc_membind_policy_t { HWLOC_MEMBIND_DEFAULT, HWLOC_MEMBIND_FIRSTTOUCH, HWLOC_MEMBIND_BIND, HWLOC_MEMBIND_INTERLEAVE, HWLOC_MEMBIND_REPLICATE, HWLOC_MEMBIND_NEXTTOUCH, HWLOC_MEMBIND_MIXED } enum hwloc_membind_flags_t { HWLOC_MEMBIND_PROCESS, HWLOC_MEMBIND_THREAD, HWLOC_MEMBIND_STRICT, HWLOC_MEMBIND_MIGRATE, HWLOC_MEMBIND_NOCPUBIND } Functions int hwloc_set_membind_nodeset (hwloc_topology_t topology, hwloc_const_nodeset_t nodeset, hwloc_membind_policy_t policy, int flags) int hwloc_set_membind (hwloc_topology_t topology, hwloc_const_cpuset_t cpuset, hwloc_membind_policy_t policy, int flags) int hwloc_get_membind_nodeset (hwloc_topology_t topology, hwloc_nodeset_t nodeset, hwloc_membind_policy_t *policy,…

NAME hwlocality_cpubinding – CPU binding Enumerations enum hwloc_cpubind_flags_t { HWLOC_CPUBIND_PROCESS, HWLOC_CPUBIND_THREAD, HWLOC_CPUBIND_STRICT, HWLOC_CPUBIND_NOMEMBIND } Functions int hwloc_set_cpubind (hwloc_topology_t topology, hwloc_const_cpuset_t set, int flags) int hwloc_get_cpubind (hwloc_topology_t topology, hwloc_cpuset_t set, int flags) int hwloc_set_proc_cpubind (hwloc_topology_t topology, hwloc_pid_t pid, hwloc_const_cpuset_t set, int flags) int hwloc_get_proc_cpubind (hwloc_topology_t topology, hwloc_pid_t pid, hwloc_cpuset_t set, int flags) int hwloc_set_thread_cpubind (hwloc_topology_t topology,…

NAME hwlocality_cpubinding – CPU binding Enumerations enum hwloc_cpubind_flags_t { HWLOC_CPUBIND_PROCESS, HWLOC_CPUBIND_THREAD, HWLOC_CPUBIND_STRICT, HWLOC_CPUBIND_NOMEMBIND } Functions int hwloc_set_cpubind (hwloc_topology_t topology, hwloc_const_cpuset_t set, int flags) int hwloc_get_cpubind (hwloc_topology_t topology, hwloc_cpuset_t set, int flags) int hwloc_set_proc_cpubind (hwloc_topology_t topology, hwloc_pid_t pid, hwloc_const_cpuset_t set, int flags) int hwloc_get_proc_cpubind (hwloc_topology_t topology, hwloc_pid_t pid, hwloc_cpuset_t set, int flags) int hwloc_set_thread_cpubind (hwloc_topology_t topology,…

NAME hwlocality_advanced_io – Finding I/O objects Functions static hwloc_obj_t hwloc_get_non_io_ancestor_obj (hwloc_topology_t topology, hwloc_obj_t ioobj) static hwloc_obj_t hwloc_get_next_pcidev (hwloc_topology_t topology, hwloc_obj_t prev) static hwloc_obj_t hwloc_get_pcidev_by_busid (hwloc_topology_t topology, unsigned domain, unsigned bus, unsigned dev, unsigned func) static hwloc_obj_t hwloc_get_pcidev_by_busidstring (hwloc_topology_t topology, const char *busid) static hwloc_obj_t hwloc_get_next_osdev (hwloc_topology_t topology, hwloc_obj_t prev) static hwloc_obj_t hwloc_get_next_bridge (hwloc_topology_t topology, hwloc_obj_t…

NAME hwlocality_advanced_io – Finding I/O objects Functions static hwloc_obj_t hwloc_get_non_io_ancestor_obj (hwloc_topology_t topology, hwloc_obj_t ioobj) static hwloc_obj_t hwloc_get_next_pcidev (hwloc_topology_t topology, hwloc_obj_t prev) static hwloc_obj_t hwloc_get_pcidev_by_busid (hwloc_topology_t topology, unsigned domain, unsigned bus, unsigned dev, unsigned func) static hwloc_obj_t hwloc_get_pcidev_by_busidstring (hwloc_topology_t topology, const char *busid) static hwloc_obj_t hwloc_get_next_osdev (hwloc_topology_t topology, hwloc_obj_t prev) static hwloc_obj_t hwloc_get_next_bridge (hwloc_topology_t topology, hwloc_obj_t…

NAME hwlocality_helper_find_inside – Finding Objects inside a CPU set Functions static hwloc_obj_t hwloc_get_first_largest_obj_inside_cpuset (hwloc_topology_t topology, hwloc_const_cpuset_t set) int hwloc_get_largest_objs_inside_cpuset (hwloc_topology_t topology, hwloc_const_cpuset_t set, hwloc_obj_t *restrict objs, int max) static hwloc_obj_t hwloc_get_next_obj_inside_cpuset_by_depth (hwloc_topology_t topology, hwloc_const_cpuset_t set, unsigned depth, hwloc_obj_t prev) static hwloc_obj_t hwloc_get_next_obj_inside_cpuset_by_type (hwloc_topology_t topology, hwloc_const_cpuset_t set, hwloc_obj_type_t type, hwloc_obj_t prev) static hwloc_obj_t hwloc_get_obj_inside_cpuset_by_depth (hwloc_topology_t topology,…

NAME hwlocality_helper_find_inside – Finding Objects inside a CPU set Functions static hwloc_obj_t hwloc_get_first_largest_obj_inside_cpuset (hwloc_topology_t topology, hwloc_const_cpuset_t set) int hwloc_get_largest_objs_inside_cpuset (hwloc_topology_t topology, hwloc_const_cpuset_t set, hwloc_obj_t *restrict objs, int max) static hwloc_obj_t hwloc_get_next_obj_inside_cpuset_by_depth (hwloc_topology_t topology, hwloc_const_cpuset_t set, unsigned depth, hwloc_obj_t prev) static hwloc_obj_t hwloc_get_next_obj_inside_cpuset_by_type (hwloc_topology_t topology, hwloc_const_cpuset_t set, hwloc_obj_type_t type, hwloc_obj_t prev) static hwloc_obj_t hwloc_get_obj_inside_cpuset_by_depth (hwloc_topology_t topology,…

NAME hwlocality_helper_find_inside – Finding Objects inside a CPU set Functions static hwloc_obj_t hwloc_get_first_largest_obj_inside_cpuset (hwloc_topology_t topology, hwloc_const_cpuset_t set) int hwloc_get_largest_objs_inside_cpuset (hwloc_topology_t topology, hwloc_const_cpuset_t set, hwloc_obj_t *restrict objs, int max) static hwloc_obj_t hwloc_get_next_obj_inside_cpuset_by_depth (hwloc_topology_t topology, hwloc_const_cpuset_t set, unsigned depth, hwloc_obj_t prev) static hwloc_obj_t hwloc_get_next_obj_inside_cpuset_by_type (hwloc_topology_t topology, hwloc_const_cpuset_t set, hwloc_obj_type_t type, hwloc_obj_t prev) static hwloc_obj_t hwloc_get_obj_inside_cpuset_by_depth (hwloc_topology_t topology,…