oneapi::tbb::info namespace extensions
To enable this feature, set the
TBB_PREVIEW_TASK_ARENA_CONSTRAINTS_EXTENSION
macro to 1.Description
These extensions allow to query information about execution environment.
API
Header
#include <oneapi/tbb/info.h>
Syntax
namespace oneapi {
namespace tbb {
using core_type_id = /*implementation-defined*/;
namespace info {
std::vector<core_type_id> core_types();
int default_concurrency(task_arena::constraints c);
}
}
}
Types
core_type_id
- Represents core type identifier.Functions
- std::vector<core_type_id>core_types()
- Returns the vector of integral indexes that indicate available core types. The indexes are sorted from the least performant to the most performant core type.If error occurs during system topology parsing, returns vector containing single element that equals totask_arena::automatic.
- intdefault_concurrency(task_arena::constraintsc)
- Returns concurrency level for the given constraints.
See also: