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mirror of https://github.com/paboyle/Grid.git synced 2025-06-24 18:52:02 +01:00

Merge branch 'develop' into feature/gpu-port

This commit is contained in:
Peter Boyle
2019-07-16 11:55:17 +01:00
274 changed files with 7120 additions and 4663 deletions

View File

@ -141,8 +141,22 @@ int Log2Size(int TwoToPower,int MAXLOG2)
}
void GlobalSharedMemory::OptimalCommunicator(const Coordinate &processors,Grid_MPI_Comm & optimal_comm)
{
#ifdef HYPERCUBE
#warning "HPE 8600 Hypercube optimisations enabled"
//////////////////////////////////////////////////////////////////////////////
// Look and see if it looks like an HPE 8600 based on hostname conventions
//////////////////////////////////////////////////////////////////////////////
const int namelen = _POSIX_HOST_NAME_MAX;
char name[namelen];
int R;
int I;
int N;
gethostname(name,namelen);
int nscan = sscanf(name,"r%di%dn%d",&R,&I,&N) ;
if(nscan==3) OptimalCommunicatorHypercube(processors,optimal_comm);
else OptimalCommunicatorSharedMemory(processors,optimal_comm);
}
void GlobalSharedMemory::OptimalCommunicatorHypercube(const Coordinate &processors,Grid_MPI_Comm & optimal_comm)
{
////////////////////////////////////////////////////////////////
// Assert power of two shm_size.
////////////////////////////////////////////////////////////////
@ -208,7 +222,8 @@ void GlobalSharedMemory::OptimalCommunicator(const Coordinate &processors,Grid_M
////////////////////////////////////////////////////////////////
int ndimension = processors.size();
std::vector<int> processor_coor(ndimension);
std::vector<int> WorldDims = processors; std::vector<int> ShmDims (ndimension,1); std::vector<int> NodeDims (ndimension);
std::vector<int> WorldDims = processors.toVector();
std::vector<int> ShmDims (ndimension,1); std::vector<int> NodeDims (ndimension);
std::vector<int> ShmCoor (ndimension); std::vector<int> NodeCoor (ndimension); std::vector<int> WorldCoor(ndimension);
std::vector<int> HyperCoor(ndimension);
int dim = 0;
@ -263,7 +278,9 @@ void GlobalSharedMemory::OptimalCommunicator(const Coordinate &processors,Grid_M
/////////////////////////////////////////////////////////////////
int ierr= MPI_Comm_split(WorldComm,0,rank,&optimal_comm);
assert(ierr==0);
#else
}
void GlobalSharedMemory::OptimalCommunicatorSharedMemory(const Coordinate &processors,Grid_MPI_Comm & optimal_comm)
{
////////////////////////////////////////////////////////////////
// Assert power of two shm_size.
////////////////////////////////////////////////////////////////
@ -316,7 +333,6 @@ void GlobalSharedMemory::OptimalCommunicator(const Coordinate &processors,Grid_M
/////////////////////////////////////////////////////////////////
int ierr= MPI_Comm_split(WorldComm,0,rank,&optimal_comm);
assert(ierr==0);
#endif
}
////////////////////////////////////////////////////////////////////////////////////////////
// SHMGET
@ -347,7 +363,7 @@ void GlobalSharedMemory::SharedMemoryAllocate(uint64_t bytes, int flags)
int errsv = errno;
printf("Errno %d\n",errsv);
printf("key %d\n",key);
printf("size %lld\n",size);
printf("size %ld\n",size);
printf("flags %d\n",flags);
perror("shmget");
exit(1);