inthwloc_levelzero_get_device_cpuset(hwloc_topology_ttopology,ze_device_handle_tdevice,hwloc_cpuset_tset)[inline]
Get the CPU set of logical processors that are physically close to the Level Zero device device. Store in
set the CPU-set describing the locality of the Level Zero device device.
Topology topology and device device must match the local machine. The Level Zero library must have been
initialized with zeInit(). I/O devices detection and the Level Zero component are not needed in the
topology.
The function only returns the locality of the device. If more information about the device is needed, OS
objects should be used instead, see hwloc_levelzero_get_device_osdev().
This function is currently only implemented in a meaningful way for Linux; other systems will simply get
a full cpuset.
Returns
0 on success.
-1 on error, for instance if device information could not be found.
Note
zeDevicePciGetPropertiesExt() must be supported, or the entire machine locality will be returned.
hwloc_obj_thwloc_levelzero_get_device_osdev(hwloc_topology_ttopology,ze_device_handle_tdevice)[inline]
Get the hwloc OS device object corresponding to Level Zero device device.
Returns
The hwloc OS device object that describes the given Level Zero device device.
NULL if none could be found.
Topology topology and device dv_ind must match the local machine. The Level Zero library must have been
initialized with zeInit(). I/O devices detection and the Level Zero component must be enabled in the
topology. If not, the locality of the object may still be found using
hwloc_levelzero_get_device_cpuset().
Note
If the input ZE device is actually a subdevice, then its parent (root device) is actually translated,
i.e. the main hwloc OS device is returned instead of one of its children.
The corresponding hwloc PCI device may be found by looking at the result parent pointer (unless PCI
devices are filtered out).
zeDevicePciGetPropertiesExt() must be supported.
inthwloc_levelzero_get_sysman_device_cpuset(hwloc_topology_ttopology,zes_device_handle_tdevice,hwloc_cpuset_tset)[inline]
Get the CPU set of logical processors that are physically close to the Level Zero Sysman device device.
Store in set the CPU-set describing the locality of the Level Zero device device.
Topology topology and device device must match the local machine. The Level Zero library must have been
initialized with Sysman enabled with zesInit(). I/O devices detection and the Level Zero component are
not needed in the topology.
The function only returns the locality of the device. If more information about the device is needed, OS
objects should be used instead, see hwloc_levelzero_get_device_osdev().
This function is currently only implemented in a meaningful way for Linux; other systems will simply get
a full cpuset.
Returns
0 on success.
-1 on error, for instance if device information could not be found.
hwloc_obj_thwloc_levelzero_get_sysman_device_osdev(hwloc_topology_ttopology,zes_device_handle_tdevice)[inline]
Get the hwloc OS device object corresponding to Level Zero Sysman device device.
Returns
The hwloc OS device object that describes the given Level Zero device device.
NULL if none could be found.
Topology topology and device dv_ind must match the local machine. The Level Zero library must have been
initialized with Sysman enabled with zesInit(). I/O devices detection and the Level Zero component must
be enabled in the topology. If not, the locality of the object may still be found using
hwloc_levelzero_get_device_cpuset().
Note
If the input ZES device is actually a subdevice, then its parent (root device) is actually
translated, i.e. the main hwloc OS device is returned instead of one of its children.
The corresponding hwloc PCI device may be found by looking at the result parent pointer (unless PCI
devices are filtered out).