2013-08-08 05:34:54 +08:00
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#ifndef MPI_WRAPPERS_H
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#define MPI_WRAPPERS_H
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#include <iostream>
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#include <string>
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#include "mpi.h"
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namespace MPI_Wrappers {
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typedef struct {double val; int rank; } DOUBLE_RANK;
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int rank(MPI_Comm comm);
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bool rank_zero(MPI_Comm comm);
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int size(MPI_Comm comm);
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bool serial(MPI_Comm comm);
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void broadcast(MPI_Comm comm, double *buf, int count = 1);
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void int_broadcast(MPI_Comm comm, int *buf, int count = 1);
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void allsum(MPI_Comm comm, void *send_buf, double *rec_buf, int count = 1);
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void int_allsum(MPI_Comm comm, void *send_buf, int *rec_buf, int count = 1);
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void int_scansum(MPI_Comm comm, int *send_buf, int *rec_buf, int count = 1);
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void allmax(MPI_Comm comm, double *send_buf, double *rec_buf, int count = 1);
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void int_allmax(MPI_Comm comm, int *send_buf, int *rec_buf, int count = 1);
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void allmin(MPI_Comm comm, double *send_buf, double *rec_buf, int count = 1);
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void int_allmin(MPI_Comm comm, int *send_buf, int *rec_buf, int count = 1);
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int rank_min(MPI_Comm comm, double *send_buf, double *rec_buf, int count);
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void int_recv(MPI_Comm comm, int *recv_buf, int max_size,int iproc);
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void recv(MPI_Comm comm, double *recv_buf, int max_size,int iproc);
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void int_send(MPI_Comm comm, int *send_buf,int send_size);
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void send(MPI_Comm comm, double *send_buf,int send_size);
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void allgatherv(MPI_Comm comm, double *send_buf, int send_count,
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double *rec_buf, int *rec_counts, int *displacements);
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void gather(MPI_Comm comm, double send, double * recv);
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2014-11-21 02:59:03 +08:00
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void int_allgather(MPI_Comm comm, int send, int* recv);
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2013-08-08 05:34:54 +08:00
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void logical_or(MPI_Comm comm, void *send_buf, int *rec_buf, int count = 1);
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void barrier(MPI_Comm comm);
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2013-08-22 07:06:07 +08:00
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void stop(MPI_Comm comm, std::string msg="");
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2013-08-08 05:34:54 +08:00
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void int_scatter(MPI_Comm comm, int *send_buf, int *rec_buf, int count = 1);
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// void sparse_allsum(MPI_Comm comm, SparseMatrix<double> &toShare);
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2013-08-22 07:06:07 +08:00
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void print_msg(MPI_Comm comm, std::string msg);
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void print_msg_once(MPI_Comm comm,std::string msg,bool prefix=true,bool endline=true);
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2013-08-08 05:34:54 +08:00
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}
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#endif
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