Section 2.3 shows methods for modifying and retrieving the ICV values. If (none) is listed for an ICV, the OpenMP API does not support its modification or retrieval. Calls to OpenMP API routines retrieve or modify data environment scoped ICVs in the data environment of their binding tasks.
| | ||
| ICV |
Ways to Modify Value |
Ways to Retrieve Value |
| active-levels-var |
(none) |
omp_get_active_level |
| affinity-format-var |
omp_set_affinity_format |
omp_get_affinity_format |
| bind-var |
(none) |
omp_get_proc_bind |
| cancel-var |
(none) |
omp_get_cancellation |
| debug-var |
(none) |
(none) |
| def-allocator-var |
omp_set_default_allocator |
omp_get_default_allocator |
| default-device-var |
omp_set_default_device |
omp_get_default_device |
| display-affinity-var |
(none) |
(none) |
| dyn-var |
omp_set_dynamic |
omp_get_dynamic |
| explicit-task-var |
(none) |
omp_in_explicit_task |
| final-task-var |
(none) |
omp_in_final |
| levels-var |
(none) |
omp_get_level |
| max-active-levels-var |
omp_set_max_active_levels, omp_set_nested |
omp_get_max_active_levels |
| max-task-priority-var |
(none) |
omp_get_max_task_priority |
| nteams-var |
omp_set_num_teams |
omp_get_max_teams |
| nthreads-var |
omp_set_num_threads |
omp_get_max_threads |
| num-procs-var |
(none) |
omp_get_num_procs |
| place-partition-var |
(none) |
omp_get_partition_num_places, omp_get_partition_place_nums, omp_get_place_num_procs, omp_get_place_proc_ids |
| run-sched-var |
omp_set_schedule |
omp_get_schedule |
| stacksize-var |
(none) |
(none) |
| target-offload-var |
(none) |
(none) |
| team-size-var |
(none) |
omp_get_num_threads |
| teams-thread-limit-var |
omp_set_teams_thread_limit |
omp_get_teams_thread_limit |
| thread-limit-var |
thread_limit |
omp_get_thread_limit |
| thread-num-var |
(none) |
omp_get_thread_num |
| tool-libraries-var |
(none) |
(none) |
| tool-var |
(none) |
(none) |
| tool-verbose-init-var |
(none) |
(none) |
| wait-policy-var |
(none) |
(none) |
Semantics
Cross References