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Hardware Locality (hwloc)
PR-737-20250925.0822.gite8f69c77f
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16 #ifndef HWLOC_LINUX_LIBNUMA_H
17 #define HWLOC_LINUX_LIBNUMA_H
57 static __hwloc_inline
int
59 unsigned long *mask,
unsigned long *maxnode)
62 unsigned long outmaxnode = -1;
66 *maxnode = (*maxnode + 8*
sizeof(*mask) - 1) & ~(8*
sizeof(*mask) - 1);
67 memset(mask, 0, *maxnode/8);
72 mask[node->
os_index/
sizeof(*mask)/8] |= 1UL << (node->
os_index % (
sizeof(*mask)*8));
73 if (outmaxnode == (
unsigned long) -1 || outmaxnode < node->os_index)
77 *maxnode = outmaxnode+1;
93 static __hwloc_inline
int
95 unsigned long *mask,
unsigned long *maxnode)
98 unsigned long outmaxnode = -1;
102 *maxnode = (*maxnode + 8*
sizeof(*mask) - 1) & ~(8*
sizeof(*mask) - 1);
103 memset(mask, 0, *maxnode/8);
110 mask[node->
os_index/
sizeof(*mask)/8] |= 1UL << (node->
os_index % (
sizeof(*mask)*8));
111 if (outmaxnode == (
unsigned long) -1 || outmaxnode < node->os_index)
115 *maxnode = outmaxnode+1;
131 static __hwloc_inline
int
133 const unsigned long *mask,
unsigned long maxnode)
140 && (mask[node->
os_index/
sizeof(*mask)/8] & (1UL << (node->
os_index % (
sizeof(*mask)*8)))))
158 static __hwloc_inline
int
160 const unsigned long *mask,
unsigned long maxnode)
167 && (mask[node->
os_index/
sizeof(*mask)/8] & (1UL << (node->
os_index % (
sizeof(*mask)*8)))))
202 static __hwloc_inline
struct bitmask *
204 static __hwloc_inline
struct bitmask *
209 struct bitmask *bitmask = numa_allocate_cpumask();
214 numa_bitmask_setbit(bitmask, node->
os_index);
227 static __hwloc_inline
struct bitmask *
229 static __hwloc_inline
struct bitmask *
234 struct bitmask *bitmask = numa_allocate_cpumask();
239 numa_bitmask_setbit(bitmask, node->
os_index);
251 static __hwloc_inline
int
253 const struct bitmask *bitmask)
259 if (numa_bitmask_isbitset(bitmask, node->
os_index))
273 static __hwloc_inline
int
275 const struct bitmask *bitmask)
281 if (numa_bitmask_isbitset(bitmask, node->
os_index))
int hwloc_nodeset_from_linux_libnuma_ulongs(hwloc_topology_t topology, hwloc_nodeset_t nodeset, const unsigned long *mask, unsigned long maxnode)
Convert the array of unsigned long mask into hwloc NUMA node set.
Definition: linux-libnuma.h:159
struct bitmask * hwloc_nodeset_to_linux_libnuma_bitmask(hwloc_topology_t topology, hwloc_const_nodeset_t nodeset)
Convert hwloc NUMA node set nodeset into the returned libnuma bitmask.
Definition: linux-libnuma.h:230
@ HWLOC_OBJ_NUMANODE
NUMA node. An object that contains memory that is directly and byte-accessible to the host processors...
Definition: hwloc.h:269
hwloc_const_bitmap_t hwloc_const_cpuset_t
A non-modifiable hwloc_cpuset_t.
Definition: hwloc.h:164
int hwloc_cpuset_from_linux_libnuma_bitmask(hwloc_topology_t topology, hwloc_cpuset_t cpuset, const struct bitmask *bitmask)
Convert libnuma bitmask bitmask into hwloc CPU set cpuset.
Definition: linux-libnuma.h:252
Structure of a topology object.
Definition: hwloc.h:488
struct hwloc_topology * hwloc_topology_t
Topology context.
Definition: hwloc.h:778
unsigned os_index
OS-provided physical index number. It is not guaranteed unique across the entire machine,...
Definition: hwloc.h:493
hwloc_cpuset_t cpuset
CPUs covered by this object.
Definition: hwloc.h:604
union hwloc_obj_attr_u * attr
Object type-specific Attributes, may be NULL if no attribute value was found.
Definition: hwloc.h:507
hwloc_obj_t hwloc_get_next_obj_by_depth(hwloc_topology_t topology, int depth, hwloc_obj_t prev)
Returns the next object at depth depth.
hwloc_obj_t hwloc_get_next_obj_covering_cpuset_by_depth(hwloc_topology_t topology, hwloc_const_cpuset_t set, int depth, hwloc_obj_t prev)
Iterate through same-depth objects covering at least CPU set set.
Definition: helper.h:429
hwloc_uint64_t local_memory
Local memory (in bytes)
Definition: hwloc.h:693
hwloc_bitmap_t hwloc_nodeset_t
A node set is a bitmap whose bits are set according to NUMA memory node physical OS indexes.
Definition: hwloc.h:179
int hwloc_nodeset_to_linux_libnuma_ulongs(hwloc_topology_t topology, hwloc_const_nodeset_t nodeset, unsigned long *mask, unsigned long *maxnode)
Convert hwloc NUMA node set nodeset into the array of unsigned long mask.
Definition: linux-libnuma.h:94
hwloc_bitmap_t hwloc_cpuset_t
A CPU set is a bitmap whose bits are set according to CPU physical OS indexes.
Definition: hwloc.h:162
int hwloc_nodeset_from_linux_libnuma_bitmask(hwloc_topology_t topology, hwloc_nodeset_t nodeset, const struct bitmask *bitmask)
Convert libnuma bitmask bitmask into hwloc NUMA node set nodeset.
Definition: linux-libnuma.h:274
int hwloc_bitmap_isset(hwloc_const_bitmap_t bitmap, unsigned id)
Test whether index id is part of bitmap bitmap.
hwloc_const_bitmap_t hwloc_const_nodeset_t
A non-modifiable hwloc_nodeset_t.
Definition: hwloc.h:182
int hwloc_bitmap_or(hwloc_bitmap_t res, hwloc_const_bitmap_t bitmap1, hwloc_const_bitmap_t bitmap2)
Or bitmaps bitmap1 and bitmap2 and store the result in bitmap res.
int hwloc_get_type_depth(hwloc_topology_t topology, hwloc_obj_type_t type)
Returns the depth of objects of type type.
struct hwloc_obj_attr_u::hwloc_numanode_attr_s numanode
void hwloc_bitmap_zero(hwloc_bitmap_t bitmap)
Empty the bitmap bitmap.
int hwloc_bitmap_set(hwloc_bitmap_t bitmap, unsigned id)
Add index id in bitmap bitmap.
int hwloc_cpuset_from_linux_libnuma_ulongs(hwloc_topology_t topology, hwloc_cpuset_t cpuset, const unsigned long *mask, unsigned long maxnode)
Convert the array of unsigned long mask into hwloc CPU set.
Definition: linux-libnuma.h:132
struct bitmask * hwloc_cpuset_to_linux_libnuma_bitmask(hwloc_topology_t topology, hwloc_const_cpuset_t cpuset)
Convert hwloc CPU set cpuset into the returned libnuma bitmask.
Definition: linux-libnuma.h:205
int hwloc_cpuset_to_linux_libnuma_ulongs(hwloc_topology_t topology, hwloc_const_cpuset_t cpuset, unsigned long *mask, unsigned long *maxnode)
Convert hwloc CPU set cpuset into the array of unsigned long mask.
Definition: linux-libnuma.h:58