kvtree_mpi.h

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#ifndef KVTREE_MPI_H
#define KVTREE_MPI_H
 
#include "mpi.h"
#include "kvtree.h"
 
/* enable C++ codes to include this header directly */
#ifdef __cplusplus
extern "C" {
#endif
 
int kvtree_send(const kvtree* hash, int rank, MPI_Comm comm);
 
int kvtree_recv(kvtree* hash, int rank, MPI_Comm comm);
 
int kvtree_sendrecv(
    const kvtree* hash_send, int rank_send,
          kvtree* hash_recv, int rank_recv,
    MPI_Comm comm
);
 
int kvtree_bcast(kvtree* hash, int root, MPI_Comm comm);
 
int kvtree_exchange_sendq(
  kvtree* send_hash, 
  int rank,          
  const kvtree* msg  
);
 
int kvtree_exchange(const kvtree* hash_send, kvtree* hash_recv, MPI_Comm comm);
 
typedef enum {
  KVTREE_EXCHANGE_RIGHT = 0,
  KVTREE_EXCHANGE_LEFT,
} kvtree_exchange_enum;
 
int kvtree_exchange_direction(
  const kvtree* hash_send,
        kvtree* hash_recv,
  MPI_Comm comm,
  kvtree_exchange_enum direction
);
 
int kvtree_write_gather(
  const char* prefix, 
  kvtree* data,       
  MPI_Comm comm       
);
 
int kvtree_read_scatter(
  const char* prefix, 
  kvtree* data,       
  MPI_Comm comm       
);
 
/* enable C++ codes to include this header directly */
#ifdef __cplusplus
} /* extern "C" */
#endif
 
#endif