TreeMaker< use_tbbmalloc >::SubTreeCreationTask Class Reference

Inheritance diagram for TreeMaker< use_tbbmalloc >::SubTreeCreationTask:

List of all members.

Public Member Functions
tbb::task *	execute ()
	SubTreeCreationTask (TreeNode *&root, long number_of_nodes)
Private Types
typedef TreeMaker< use_tbbmalloc >	MyTreeMaker
Private Attributes
bool	is_continuation
TreeNode *&	my_root

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Detailed Description

template<class use_tbbmalloc>
class TreeMaker< use_tbbmalloc >::SubTreeCreationTask

Definition at line 60 of file Third Party Tech/TBB/tbb30_20100406oss_win/tbb30_20100406oss/examples/task/tree_sum/main.cpp.

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Member Typedef Documentation

template<class use_tbbmalloc>

typedef TreeMaker<use_tbbmalloc> TreeMaker< use_tbbmalloc >::SubTreeCreationTask::MyTreeMaker [private]

Definition at line 63 of file Third Party Tech/TBB/tbb30_20100406oss_win/tbb30_20100406oss/examples/task/tree_sum/main.cpp.

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Constructor & Destructor Documentation

template<class use_tbbmalloc>

TreeMaker< use_tbbmalloc >::SubTreeCreationTask::SubTreeCreationTask	(	TreeNode *&	root,
		long	number_of_nodes
	)		[inline]

Definition at line 66 of file Third Party Tech/TBB/tbb30_20100406oss_win/tbb30_20100406oss/examples/task/tree_sum/main.cpp.

References Pi.

                                                                     : my_root(root), is_continuation(false) {
            my_root = MyTreeMaker::allocate_node();
            my_root->node_count = number_of_nodes;
            my_root->value = Value(Pi*number_of_nodes);
        }

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Member Function Documentation

template<class use_tbbmalloc>

tbb::task* TreeMaker< use_tbbmalloc >::SubTreeCreationTask::execute

(

)

[inline, virtual]

Implements tbb::task.

Definition at line 72 of file Third Party Tech/TBB/tbb30_20100406oss_win/tbb30_20100406oss/examples/task/tree_sum/main.cpp.

                           {
            tbb::task* next = NULL;
            if( !is_continuation ) {
                long subtree_size = my_root->node_count - 1;
                if( subtree_size<1000 ) { /* grainsize */
                    my_root->left  = MyTreeMaker::do_in_one_thread(subtree_size/2);
                    my_root->right = MyTreeMaker::do_in_one_thread(subtree_size - subtree_size/2);
                } else {
                    // Create tasks before spawning any of them.
                    tbb::task* a = new( allocate_child() ) SubTreeCreationTask(my_root->left,subtree_size/2);
                    tbb::task* b = new( allocate_child() ) SubTreeCreationTask(my_root->right,subtree_size - subtree_size/2);
                    recycle_as_continuation();
                    is_continuation = true;
                    set_ref_count(2);
                    spawn(*b);
                    next = a;
                }
            } 
            return next;
        }

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Member Data Documentation

template<class use_tbbmalloc>

bool TreeMaker< use_tbbmalloc >::SubTreeCreationTask::is_continuation [private]

Definition at line 62 of file Third Party Tech/TBB/tbb30_20100406oss_win/tbb30_20100406oss/examples/task/tree_sum/main.cpp.

template<class use_tbbmalloc>

TreeNode*& TreeMaker< use_tbbmalloc >::SubTreeCreationTask::my_root [private]

Definition at line 61 of file Third Party Tech/TBB/tbb30_20100406oss_win/tbb30_20100406oss/examples/task/tree_sum/main.cpp.

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

• Third Party Tech/TBB/tbb30_20100406oss_win/tbb30_20100406oss/examples/task/tree_sum/main.cpp