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MPI3 and shared memory support

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This commit is contained in:
paboyle 2016-10-20 16:58:01 +01:00
parent c7cccaaa69
commit 5fe2b85cbd
1 changed files with 26 additions and 0 deletions
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26
lib/communicator/Communicator_base.h
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@ -34,6 +34,9 @@ Author: Peter Boyle <paboyle@ph.ed.ac.uk>
#ifdef GRID_COMMS_MPI
#include <mpi.h>
#endif
#ifdef GRID_COMMS_MPI3
#include <mpi.h>
#endif
#ifdef GRID_COMMS_SHMEM
#include <mpp/shmem.h>
#endif
@ -52,6 +55,29 @@ class CartesianCommunicator {
#ifdef GRID_COMMS_MPI
MPI_Comm communicator;
typedef MPI_Request CommsRequest_t;
#elif GRID_COMMS_MPI3
MPI_Comm communicator;
typedef MPI_Request CommsRequest_t;
const int MAXLOG2RANKSPERNODE = 16; // 65536 ranks per node adequate for now
std::vector<int> WorldDims;
std::vector<int> GroupDims;
std::vector<int> ShmDims;
std::vector<int> GroupCoor;
std::vector<int> ShmCoor;
std::vector<int> WorldCoor;
int GroupRank;
int ShmRank;
int WorldRank;
int GroupSize;
int ShmSize;
int WorldSize;
std::vector<int> LexicographicToWorldRank;
#else
typedef int CommsRequest_t;
#endif