MasterNode< SolutionState_t, NeighborStrategy_t > Class Template Reference

#include <MasterNode.h>

Inherits NeighborStrategy_t.

Classes
struct	Meta_t

Public Member Functions
	MasterNode (MPI_Comm master_comm, std::size_t buf_size_upper_bound, std::size_t dim, int island_id)
	~MasterNode ()
void	store (char *local_state, std::size_t buffer_size)
	store my best values
void	collect (std::ostringstream &states)
	collect all best values from all other masters

Private Attributes
char *	serialized_best_values_
	pointer to MPI window holding header (revision + size) and best solution state
std::size_t	buf_size_upper_bound_
	upper bound on the serialized payload (excludes the header)
std::size_t	win_bytes_
	total window size in bytes: sizeof(Meta_t) + buf_size_upper_bound_
std::size_t	numMasters_
MPI_Comm	master_comm_
MPI_Win	win_
std::size_t	myID_
std::set< std::size_t >	collectFrom_
	neighbors we collect solution states from
std::size_t	revision_
	my solution state revision number
std::vector< std::size_t >	revision_state_
	revision numbers of my neighbors

Detailed Description

template<class SolutionState_t, class NeighborStrategy_t>
class MasterNode< SolutionState_t, NeighborStrategy_t >

Definition at line 53 of file MasterNode.h.

Constructor & Destructor Documentation

MasterNode()

template<class SolutionState_t , class NeighborStrategy_t >

MasterNode< SolutionState_t, NeighborStrategy_t >::MasterNode ( MPI_Comm  master_comm, std::size_t  buf_size_upper_bound, std::size_t  dim, int  island_id  )

inline

Definition at line 67 of file MasterNode.h.

References MasterNode< SolutionState_t, NeighborStrategy_t >::collectFrom_, MasterNode< SolutionState_t, NeighborStrategy_t >::myID_, MasterNode< SolutionState_t, NeighborStrategy_t >::numMasters_, MasterNode< SolutionState_t, NeighborStrategy_t >::revision_state_, MasterNode< SolutionState_t, NeighborStrategy_t >::serialized_best_values_, MasterNode< SolutionState_t, NeighborStrategy_t >::win_, and MasterNode< SolutionState_t, NeighborStrategy_t >::win_bytes_.

~MasterNode()

template<class SolutionState_t , class NeighborStrategy_t >

MasterNode< SolutionState_t, NeighborStrategy_t >::~MasterNode ( )

inline

Definition at line 98 of file MasterNode.h.

References MasterNode< SolutionState_t, NeighborStrategy_t >::serialized_best_values_, and MasterNode< SolutionState_t, NeighborStrategy_t >::win_.

Member Function Documentation

collect()

template<class SolutionState_t , class NeighborStrategy_t >

void MasterNode< SolutionState_t, NeighborStrategy_t >::collect ( std::ostringstream &  states )

inline

collect all best values from all other masters

Definition at line 126 of file MasterNode.h.

References MasterNode< SolutionState_t, NeighborStrategy_t >::collectFrom_, MasterNode< SolutionState_t, NeighborStrategy_t >::myID_, MasterNode< SolutionState_t, NeighborStrategy_t >::numMasters_, readSolutionState(), MasterNode< SolutionState_t, NeighborStrategy_t >::Meta_t::revision, MasterNode< SolutionState_t, NeighborStrategy_t >::revision_state_, MasterNode< SolutionState_t, NeighborStrategy_t >::Meta_t::size, MasterNode< SolutionState_t, NeighborStrategy_t >::win_, MasterNode< SolutionState_t, NeighborStrategy_t >::win_bytes_, and writeSolutionState().

Here is the call graph for this function:

store()

template<class SolutionState_t , class NeighborStrategy_t >

void MasterNode< SolutionState_t, NeighborStrategy_t >::store ( char *  local_state, std::size_t  buffer_size  )

inline

store my best values

Definition at line 104 of file MasterNode.h.

References MasterNode< SolutionState_t, NeighborStrategy_t >::buf_size_upper_bound_, MasterNode< SolutionState_t, NeighborStrategy_t >::Meta_t::revision, MasterNode< SolutionState_t, NeighborStrategy_t >::revision_, MasterNode< SolutionState_t, NeighborStrategy_t >::serialized_best_values_, MasterNode< SolutionState_t, NeighborStrategy_t >::Meta_t::size, and MasterNode< SolutionState_t, NeighborStrategy_t >::win_.

Member Data Documentation

buf_size_upper_bound_

template<class SolutionState_t , class NeighborStrategy_t >

std::size_t MasterNode< SolutionState_t, NeighborStrategy_t >::buf_size_upper_bound_

private

upper bound on the serialized payload (excludes the header)

Definition at line 174 of file MasterNode.h.

Referenced by MasterNode< SolutionState_t, NeighborStrategy_t >::store().

collectFrom_

template<class SolutionState_t , class NeighborStrategy_t >

std::set<std::size_t> MasterNode< SolutionState_t, NeighborStrategy_t >::collectFrom_

private

neighbors we collect solution states from

Definition at line 188 of file MasterNode.h.

Referenced by MasterNode< SolutionState_t, NeighborStrategy_t >::collect(), and MasterNode< SolutionState_t, NeighborStrategy_t >::MasterNode().

master_comm_

template<class SolutionState_t , class NeighborStrategy_t >

MPI_Comm MasterNode< SolutionState_t, NeighborStrategy_t >::master_comm_

private

Definition at line 178 of file MasterNode.h.

myID_

template<class SolutionState_t , class NeighborStrategy_t >

std::size_t MasterNode< SolutionState_t, NeighborStrategy_t >::myID_

private

Definition at line 185 of file MasterNode.h.

Referenced by MasterNode< SolutionState_t, NeighborStrategy_t >::collect(), and MasterNode< SolutionState_t, NeighborStrategy_t >::MasterNode().

numMasters_

template<class SolutionState_t , class NeighborStrategy_t >

std::size_t MasterNode< SolutionState_t, NeighborStrategy_t >::numMasters_

private

Definition at line 177 of file MasterNode.h.

Referenced by MasterNode< SolutionState_t, NeighborStrategy_t >::collect(), and MasterNode< SolutionState_t, NeighborStrategy_t >::MasterNode().

revision_

template<class SolutionState_t , class NeighborStrategy_t >

std::size_t MasterNode< SolutionState_t, NeighborStrategy_t >::revision_

private

my solution state revision number

Definition at line 190 of file MasterNode.h.

Referenced by MasterNode< SolutionState_t, NeighborStrategy_t >::store().

revision_state_

template<class SolutionState_t , class NeighborStrategy_t >

std::vector<std::size_t> MasterNode< SolutionState_t, NeighborStrategy_t >::revision_state_

private

revision numbers of my neighbors

Definition at line 192 of file MasterNode.h.

Referenced by MasterNode< SolutionState_t, NeighborStrategy_t >::collect(), and MasterNode< SolutionState_t, NeighborStrategy_t >::MasterNode().

serialized_best_values_

template<class SolutionState_t , class NeighborStrategy_t >

char* MasterNode< SolutionState_t, NeighborStrategy_t >::serialized_best_values_

private

pointer to MPI window holding header (revision + size) and best solution state

Definition at line 171 of file MasterNode.h.

Referenced by MasterNode< SolutionState_t, NeighborStrategy_t >::MasterNode(), MasterNode< SolutionState_t, NeighborStrategy_t >::store(), and MasterNode< SolutionState_t, NeighborStrategy_t >::~MasterNode().

win_

template<class SolutionState_t , class NeighborStrategy_t >

MPI_Win MasterNode< SolutionState_t, NeighborStrategy_t >::win_

private

single window for header + solution state; all ranks must call MPI_Win_fence on it the same number of times, in the same order, which requires collectFrom_ to have equal cardinality on every rank

Definition at line 183 of file MasterNode.h.

Referenced by MasterNode< SolutionState_t, NeighborStrategy_t >::collect(), MasterNode< SolutionState_t, NeighborStrategy_t >::MasterNode(), MasterNode< SolutionState_t, NeighborStrategy_t >::store(), and MasterNode< SolutionState_t, NeighborStrategy_t >::~MasterNode().

win_bytes_

template<class SolutionState_t , class NeighborStrategy_t >

std::size_t MasterNode< SolutionState_t, NeighborStrategy_t >::win_bytes_

private

total window size in bytes: sizeof(Meta_t) + buf_size_upper_bound_

Definition at line 176 of file MasterNode.h.

Referenced by MasterNode< SolutionState_t, NeighborStrategy_t >::collect(), and MasterNode< SolutionState_t, NeighborStrategy_t >::MasterNode().

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

• optimizer/Comm/MasterNode.h