File decomposition_plan.hpp

This file contains the class used to encapsulate the paritioning logic. It will find a reasonable partitioning scheme based on some job dependent conditions (number of nodes, number of frames and atoms..)

Author: Benjamin Lindner ben@benlabs.net
Version: See VERSION in CMakeLists.txt
Copyright: GNU General Public License

class DecompositionParameters

#include <decomposition_plan.hpp>

Encapsulates a valid decomposition for a 2D partitioning of a NQ x NAF problem onto NN nodes with NP partitions and NNpP nodes per partition. Computes various derived properties upon construction.

Public Functions

DecompositionParameters(size_t nn, size_t nq, size_t naf, size_t np, size_t elbytesize)

size_t penalty()

double penalty_percent()

size_t PID(size_t rank)

inline size_t get_NN()

inline size_t get_NQ()

inline size_t get_NAF()

inline size_t get_NP()

inline size_t get_NQcycles()

inline size_t get_NAFcycles()

inline size_t get_NNpP()

inline size_t nbytesize()

Private Members

size_t m_NN

size_t m_NQ

size_t m_NAF

size_t m_NP

size_t m_penalty

size_t m_NAFcycles

size_t m_NQcycles

size_t m_NNpP

size_t m_elbytesize

size_t m_nbytesize

class DecompositionPlan

#include <decomposition_plan.hpp>

Searches for a valid decomposition for a 2D partitioning of a NQ x NAF problem onto NN nodes with NP partitions and NNpP nodes per partition.

Public Functions

DecompositionPlan(size_t nn, size_t nq, size_t naf, size_t elbytesize, size_t nmaxbytesize)

~DecompositionPlan()

std::vector<size_t> colors()

double static_imbalance()

size_t penalty()

size_t partitions()

size_t partitionsize()

size_t nbytesize()

Private Members

DecompositionParameters *p_dp_best