tbb::interface9::internal::auto_partition_type Class Reference

#include <partitioner.h>

Inheritance diagram for tbb::interface9::internal::auto_partition_type:

Collaboration diagram for tbb::interface9::internal::auto_partition_type:

Public Member Functions
	auto_partition_type (const auto_partitioner &)
	auto_partition_type (auto_partition_type &src, split)
bool	is_divisible ()
bool	check_for_demand (task &t)
Public Member Functions inherited from tbb::interface9::internal::dynamic_grainsize_mode< adaptive_mode< auto_partition_type > >
	dynamic_grainsize_mode ()
	dynamic_grainsize_mode (dynamic_grainsize_mode &p, split)
	dynamic_grainsize_mode (dynamic_grainsize_mode &p, const proportional_split &split_obj)
bool	check_being_stolen (task &t)
depth_t	max_depth ()
void	align_depth (depth_t base)
void	work_balance (StartType &start, Range &range)
bool	check_for_demand (task &t)
Public Member Functions inherited from tbb::interface9::internal::adaptive_mode< auto_partition_type >
	adaptive_mode ()
	adaptive_mode (adaptive_mode &src, split)
size_t	do_split (adaptive_mode &src, split)
Public Member Functions inherited from tbb::internal::partition_type_base< auto_partition_type >
void	set_affinity (task &)
void	note_affinity (task::affinity_id)
task *	continue_after_execute_range ()
bool	decide_whether_to_delay ()
void	spawn_or_delay (bool, task &b)

Additional Inherited Members
Public Types inherited from tbb::interface9::internal::dynamic_grainsize_mode< adaptive_mode< auto_partition_type > >
enum
Public Types inherited from tbb::interface9::internal::adaptive_mode< auto_partition_type >
typedef auto_partition_type	my_partition
Public Attributes inherited from tbb::interface9::internal::dynamic_grainsize_mode< adaptive_mode< auto_partition_type > >
enum tbb::interface9::internal::dynamic_grainsize_mode:: { ... }	my_delay
depth_t	my_max_depth
Public Attributes inherited from tbb::interface9::internal::adaptive_mode< auto_partition_type >
size_t	my_divisor
Static Public Attributes inherited from tbb::interface9::internal::dynamic_grainsize_mode< adaptive_mode< auto_partition_type > >
static const unsigned	range_pool_size
Static Public Attributes inherited from tbb::interface9::internal::adaptive_mode< auto_partition_type >
static const unsigned	factor

Detailed Description

Definition at line 475 of file partitioner.h.

Constructor & Destructor Documentation

auto_partition_type() [1/2]

tbb::interface9::internal::auto_partition_type::auto_partition_type ( const auto_partitioner &  )

inline

Definition at line 477 of file partitioner.h.

        : dynamic_grainsize_mode<adaptive_mode<auto_partition_type> >() {
        my_divisor *= __TBB_INITIAL_CHUNKS;
    }

References __TBB_INITIAL_CHUNKS.

auto_partition_type() [2/2]

tbb::interface9::internal::auto_partition_type::auto_partition_type ( auto_partition_type &  src, split    )

inline

Definition at line 481 of file partitioner.h.

        : dynamic_grainsize_mode<adaptive_mode<auto_partition_type> >(src, split()) {}

Member Function Documentation

check_for_demand()

bool tbb::interface9::internal::auto_partition_type::check_for_demand ( task &  t )

inline

Definition at line 492 of file partitioner.h.

                                   {
        if( flag_task::is_peer_stolen(t) ) {
            my_max_depth += __TBB_DEMAND_DEPTH_ADD;
            return true;
        } else return false;
    }

References __TBB_DEMAND_DEPTH_ADD, and tbb::interface9::internal::flag_task::is_peer_stolen().

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is_divisible()

bool tbb::interface9::internal::auto_partition_type::is_divisible ( )

inline

Definition at line 483 of file partitioner.h.

                        { // part of old should_execute_range()
        if( my_divisor > 1 ) return true;
        if( my_divisor && my_max_depth ) { // can split the task. TODO: on-stack flag instead
            // keep same fragmentation while splitting for the local task pool
            my_max_depth--;
            my_divisor = 0; // decrease max_depth once per task
            return true;
        } else return false;
    }

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

• partitioner.h