nest::TargetTable Class Reference

This data structure stores all targets of the local neurons. More...

#include <target_table.h>

Public Member Functions
void	initialize ()
	Initializes data structures.
void	finalize ()
	Deletes data structure.
void	prepare (const size_t tid)
	Adjusts targets_ to number of local nodes.
void	add_target (const size_t tid, const size_t target_rank, const TargetData &target_data)
	Adds entry to targets_.
const std::vector< Target > &	get_targets (const size_t tid, const size_t lid) const
	Returns all targets of a neuron.
const std::vector< size_t > &	get_secondary_send_buffer_positions (const size_t tid, const size_t lid, const synindex syn_id) const
	Returns all MPI send buffer positions of a neuron.
void	clear (const size_t tid)
	Clears all entries of targets_.
void	compress_secondary_send_buffer_pos (const size_t tid)
	Removes identical MPI send buffer positions to avoid writing data multiple times.

Private Attributes
std::vector< std::vector< std::vector< Target > > >	targets_
	Stores targets of local neurons.
std::vector< std::vector< std::vector< std::vector< size_t > > > >	secondary_send_buffer_pos_
	Stores MPI send buffer positions for secondary targets of local neurons.

Detailed Description

This data structure stores all targets of the local neurons.

This is the presynaptic part of the connection infrastructure.

Member Function Documentation

add_target()

void nest::TargetTable::add_target	(	const size_t	tid,
		const size_t	target_rank,
		const TargetData &	target_data
	)

Adds entry to targets_.

References nest::TargetDataFields::get_lcid(), nest::SecondaryTargetDataFields::get_recv_buffer_pos(), nest::MPIManager::get_send_displacement_secondary_events_in_int(), nest::TargetData::get_source_lid(), nest::TargetDataFields::get_syn_id(), nest::SecondaryTargetDataFields::get_syn_id(), nest::TargetDataFields::get_tid(), vector_util::grow(), nest::TargetData::is_primary(), nest::kernel(), nest::KernelManager::mpi_manager, nest::TargetData::secondary_data, secondary_send_buffer_pos_, nest::TargetData::target_data, and targets_.

Referenced by nest::ConnectionManager::add_target().

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clear()

void nest::TargetTable::clear ( const size_t  tid )

inline

Clears all entries of targets_.

References secondary_send_buffer_pos_, and targets_.

Referenced by nest::ConnectionManager::restructure_connection_tables().

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compress_secondary_send_buffer_pos()

void nest::TargetTable::compress_secondary_send_buffer_pos

(

const size_t

tid

)

Removes identical MPI send buffer positions to avoid writing data multiple times.

References secondary_send_buffer_pos_.

Referenced by nest::ConnectionManager::compress_secondary_send_buffer_pos().

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finalize()

void nest::TargetTable::finalize

(

)

Deletes data structure.

References secondary_send_buffer_pos_, and targets_.

Referenced by nest::ConnectionManager::finalize().

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get_secondary_send_buffer_positions()

const std::vector< size_t > & nest::TargetTable::get_secondary_send_buffer_positions ( const size_t  tid, const size_t  lid, const synindex  syn_id  ) const

inline

Returns all MPI send buffer positions of a neuron.

Used to fill MPI buffer in EventDeliveryManager.

References secondary_send_buffer_pos_.

Referenced by nest::ConnectionManager::get_secondary_send_buffer_positions().

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get_targets()

const std::vector< Target > & nest::TargetTable::get_targets ( const size_t  tid, const size_t  lid  ) const

inline

Returns all targets of a neuron.

Used for filling EventDeliveryManager::emitted_spikes_register_.

References targets_.

Referenced by nest::ConnectionManager::get_remote_targets_of_local_node().

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initialize()

void nest::TargetTable::initialize

(

)

Initializes data structures.

References nest::VPManager::get_num_threads(), nest::VPManager::get_thread_id(), nest::kernel(), secondary_send_buffer_pos_, targets_, and nest::KernelManager::vp_manager.

Referenced by nest::ConnectionManager::initialize().

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prepare()

void nest::TargetTable::prepare

(

const size_t

tid

)

Adjusts targets_ to number of local nodes.

References nest::NodeManager::get_max_num_local_nodes(), nest::kernel(), nest::KernelManager::node_manager, secondary_send_buffer_pos_, and targets_.

Referenced by nest::ConnectionManager::prepare_target_table().

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Member Data Documentation

secondary_send_buffer_pos_

std::vector< std::vector< std::vector< std::vector< size_t > > > > nest::TargetTable::secondary_send_buffer_pos_

private

Stores MPI send buffer positions for secondary targets of local neurons.

Four dimensional object:

• first dim: threads
• second dim: local neurons
• third dim: synapse types
• fourth dim: MPI send buffer positions

Referenced by add_target(), clear(), compress_secondary_send_buffer_pos(), finalize(), get_secondary_send_buffer_positions(), initialize(), and prepare().

targets_

std::vector< std::vector< std::vector< Target > > > nest::TargetTable::targets_

private

Stores targets of local neurons.

Three dimensional objects:

• first dim: threads
• second dim: local neurons
• third dim: targets

Referenced by add_target(), clear(), finalize(), get_targets(), initialize(), and prepare().

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

• target_table.h
• target_table.cpp