PDS/homework_2/include/distbitonic.hpp

45 lines
955 B
C++

/*!
* \file
* \brief Distributed bitonic implementation header
*
* \author
* Christos Choutouridis AEM:8997
* <cchoutou@ece.auth.gr>
*/
#ifndef DISTBITONIC_H_
#define DISTBITONIC_H_
#if !defined DEBUG
#define NDEBUG
#endif
#include <cassert>
#include <vector>
#if !defined TESTING
#include <mpi.h>
#endif
using Data_t = std::vector<uint8_t>;
using AllData_t = std::vector<Data_t>;
struct mpi_t {
size_t world_size{};
size_t world_rank{};
std::string processor_name {};
};
extern mpi_t mpi;
bool ascending(size_t node, size_t depth) noexcept;
size_t partner(size_t node, size_t step) noexcept;
bool keepsmall(size_t node, size_t partner, size_t depth) noexcept;
void exchange(size_t node, size_t partner);
void minmax(AllData_t& data, size_t node, size_t partner, bool keepsmall);
void sort_network(AllData_t& data, size_t nodes, size_t depth);
void distbitonic(size_t P, AllData_t& data);
#endif //DISTBITONIC_H_