int pmix_bfrop_copy_topo(hwloc_topology_t *dest,
hwloc_topology_t src,
pmix_data_type_t type)
{
/* use the hwloc dup function */
return hwloc_topology_dup(dest, src);
}
PlatformTopology::PlatformTopology(const PlatformTopology &other)
{
int err = hwloc_topology_dup(&m_topo, other.m_topo);
if (err) {
throw Exception("PlatformTopology: error returned by hwloc_topology_dup()",
GEOPM_ERROR_RUNTIME, __FILE__, __LINE__);
}
}
int main(void)
{
static hwloc_topology_t oldtopology, topology;
hwloc_bitmap_t cpuset = hwloc_bitmap_alloc();
unsigned node_indexes[3], core_indexes[6];
float node_distances[9], core_distances[36];
unsigned i,j;
int err;
for(i=0; i<3; i++) {
node_indexes[i] = i;
for(j=0; j<3; j++)
node_distances[i*3+j] = (i == j ? 10.f : 20.f);
}
for(i=0; i<6; i++) {
core_indexes[i] = i;
for(j=0; j<6; j++)
core_distances[i*6+j] = (i == j ? 4.f : 8.f);
}
hwloc_topology_init(&oldtopology);
printf("building fake 'node:3 core:2 pu:4' topology\n");
hwloc_topology_set_synthetic(oldtopology, "node:3 core:2 pu:4");
printf("adding node and core matrices\n");
hwloc_topology_set_distance_matrix(oldtopology, HWLOC_OBJ_NUMANODE, 3, node_indexes, node_distances);
hwloc_topology_set_distance_matrix(oldtopology, HWLOC_OBJ_CORE, 6, core_indexes, core_distances);
hwloc_topology_load(oldtopology);
printf("duplicating\n");
hwloc_topology_dup(&topology, oldtopology);
printf("destroying the old topology\n");
hwloc_topology_destroy(oldtopology);
/* remove the entire third node */
printf("removing one node\n");
hwloc_bitmap_fill(cpuset);
hwloc_bitmap_clr_range(cpuset, 16, 23);
err = hwloc_topology_restrict(topology, cpuset, HWLOC_RESTRICT_FLAG_ADAPT_DISTANCES);
assert(!err);
printf("checking the result\n");
assert(hwloc_get_nbobjs_by_type(topology, HWLOC_OBJ_NUMANODE) == 2);
hwloc_topology_destroy(topology);
hwloc_bitmap_free(cpuset);
return 0;
}
int opal_hwloc_copy(hwloc_topology_t *dest, hwloc_topology_t src, opal_data_type_t type)
{
/* use the hwloc dup function */
return hwloc_topology_dup(dest, src);
}
int main(void)
{
static hwloc_topology_t oldtopology, topology;
hwloc_bitmap_t cpuset = hwloc_bitmap_alloc();
struct hwloc_distances_s *distances;
hwloc_obj_t nodes[3], cores[6];
uint64_t node_distances[9], core_distances[36];
unsigned i,j,nr;
int err;
hwloc_topology_init(&oldtopology);
hwloc_topology_set_synthetic(oldtopology, "node:3 core:2 pu:4");
hwloc_topology_load(oldtopology);
for(i=0; i<3; i++) {
nodes[i] = hwloc_get_obj_by_type(oldtopology, HWLOC_OBJ_NUMANODE, i);
for(j=0; j<3; j++)
node_distances[i*3+j] = (i == j ? 10 : 20);
}
err = hwloc_distances_add(oldtopology, 3, nodes, node_distances,
HWLOC_DISTANCES_KIND_MEANS_LATENCY|HWLOC_DISTANCES_KIND_FROM_USER,
HWLOC_DISTANCES_FLAG_GROUP);
assert(!err);
for(i=0; i<6; i++) {
cores[i] = hwloc_get_obj_by_type(oldtopology, HWLOC_OBJ_CORE, i);
for(j=0; j<6; j++)
core_distances[i*6+j] = (i == j ? 4 : 8);
}
err = hwloc_distances_add(oldtopology, 6, cores, core_distances,
HWLOC_DISTANCES_KIND_MEANS_LATENCY|HWLOC_DISTANCES_KIND_FROM_USER,
HWLOC_DISTANCES_FLAG_GROUP);
assert(!err);
printf("duplicating\n");
err = hwloc_topology_dup(&topology, oldtopology);
assert(!err);
printf("destroying the old topology\n");
hwloc_topology_destroy(oldtopology);
/* remove the entire third node */
printf("removing one node\n");
hwloc_bitmap_fill(cpuset);
hwloc_bitmap_clr_range(cpuset, 16, 23);
err = hwloc_topology_restrict(topology, cpuset, HWLOC_RESTRICT_FLAG_REMOVE_CPULESS);
assert(!err);
printf("checking the result\n");
assert(hwloc_get_nbobjs_by_type(topology, HWLOC_OBJ_NUMANODE) == 2);
nr = 1;
err = hwloc_distances_get_by_type(topology, HWLOC_OBJ_NUMANODE, &nr, &distances, 0, 0);
assert(!err);
assert(nr == 1);
assert(distances->nbobjs == 2);
assert(distances->kind == (HWLOC_DISTANCES_KIND_MEANS_LATENCY|HWLOC_DISTANCES_KIND_FROM_USER));
hwloc_distances_release(topology, distances);
nr = 1;
err = hwloc_distances_get_by_type(topology, HWLOC_OBJ_CORE, &nr, &distances, 0, 0);
assert(!err);
assert(nr == 1);
assert(distances->nbobjs == 4);
assert(distances->kind == (HWLOC_DISTANCES_KIND_MEANS_LATENCY|HWLOC_DISTANCES_KIND_FROM_USER));
hwloc_distances_release(topology, distances);
hwloc_topology_destroy(topology);
hwloc_bitmap_free(cpuset);
return 0;
}