tbb::internal::affinity_partitioner_base_v3 Class Reference

Defines entry point for affinity partitioner into TBB run-time library. More...

#include <partitioner.h>

Inheritance diagram for tbb::internal::affinity_partitioner_base_v3:

Collaboration diagram for tbb::internal::affinity_partitioner_base_v3:

Private Member Functions
	affinity_partitioner_base_v3 ()
	Zeros the fields. More...
	~affinity_partitioner_base_v3 ()
	Deallocates my_array. More...
void __TBB_EXPORTED_METHOD	resize (unsigned factor)
	Resize my_array. More...
Private Member Functions inherited from tbb::internal::no_copy
	no_copy (const no_copy &)=delete
	no_copy ()=default

Private Attributes
affinity_id *	my_array
	Array that remembers affinities of tree positions to affinity_id. More...
size_t	my_size
	Number of elements in my_array. More...

Friends
class	tbb::affinity_partitioner
class	tbb::interface9::internal::affinity_partition_type

Detailed Description

Defines entry point for affinity partitioner into TBB run-time library.

Definition at line 80 of file partitioner.h.

Constructor & Destructor Documentation

affinity_partitioner_base_v3()

tbb::internal::affinity_partitioner_base_v3::affinity_partitioner_base_v3 ( )

inlineprivate

Zeros the fields.

Definition at line 89 of file partitioner.h.

: my_array(NULL), my_size(0) {}

~affinity_partitioner_base_v3()

tbb::internal::affinity_partitioner_base_v3::~affinity_partitioner_base_v3 ( )

inlineprivate

Deallocates my_array.

Definition at line 91 of file partitioner.h.

{resize(0);}

References resize().

Here is the call graph for this function:

Member Function Documentation

resize()

void tbb::internal::affinity_partitioner_base_v3::resize ( unsigned  factor )

private

Resize my_array.

Retains values if resulting size is the same.

Definition at line 157 of file task.cpp.

                                                           {
    // Check factor to avoid asking for number of workers while there might be no arena.
    size_t new_size = factor ? factor*governor::local_scheduler()->max_threads_in_arena() : 0;
    if( new_size!=my_size ) {
        if( my_array ) {
            NFS_Free( my_array );
            // Following two assignments must be done here for sake of exception safety.
            my_array = NULL;
            my_size = 0;
        }
        if( new_size ) {
            my_array = static_cast<affinity_id*>(NFS_Allocate(new_size,sizeof(affinity_id), NULL ));
            memset( my_array, 0, sizeof(affinity_id)*new_size );
            my_size = new_size;
        }
    }
}

References tbb::internal::governor::local_scheduler(), tbb::internal::generic_scheduler::max_threads_in_arena(), my_array, my_size, new_size, tbb::internal::NFS_Allocate(), and tbb::internal::NFS_Free().

Referenced by tbb::interface9::internal::affinity_partition_type::affinity_partition_type(), and ~affinity_partitioner_base_v3().

Here is the call graph for this function:

Here is the caller graph for this function:

Friends And Related Function Documentation

tbb::affinity_partitioner

friend class tbb::affinity_partitioner

friend

Definition at line 81 of file partitioner.h.

tbb::interface9::internal::affinity_partition_type

friend class tbb::interface9::internal::affinity_partition_type

friend

Definition at line 82 of file partitioner.h.

Member Data Documentation

my_array

affinity_id* tbb::internal::affinity_partitioner_base_v3::my_array

private

Array that remembers affinities of tree positions to affinity_id.

NULL if my_size==0.

Definition at line 85 of file partitioner.h.

Referenced by tbb::interface9::internal::affinity_partition_type::affinity_partition_type(), and resize().

my_size

size_t tbb::internal::affinity_partitioner_base_v3::my_size

private

Number of elements in my_array.

Definition at line 87 of file partitioner.h.

Referenced by resize().

---

The documentation for this class was generated from the following files:

• partitioner.h
• task.cpp