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Dirichlet first cut - wrong answers on dagger multiply.
Struggling to get a compute node so changing systems
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@ -152,7 +152,7 @@ int Log2Size(int TwoToPower,int MAXLOG2)
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}
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return log2size;
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}
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void GlobalSharedMemory::OptimalCommunicator(const Coordinate &processors,Grid_MPI_Comm & optimal_comm)
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void GlobalSharedMemory::OptimalCommunicator(const Coordinate &processors,Grid_MPI_Comm & optimal_comm,Coordinate &SHM)
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{
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//////////////////////////////////////////////////////////////////////////////
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// Look and see if it looks like an HPE 8600 based on hostname conventions
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@ -165,8 +165,8 @@ void GlobalSharedMemory::OptimalCommunicator(const Coordinate &processors,Grid_M
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gethostname(name,namelen);
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int nscan = sscanf(name,"r%di%dn%d",&R,&I,&N) ;
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if(nscan==3 && HPEhypercube ) OptimalCommunicatorHypercube(processors,optimal_comm);
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else OptimalCommunicatorSharedMemory(processors,optimal_comm);
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if(nscan==3 && HPEhypercube ) OptimalCommunicatorHypercube(processors,optimal_comm,SHM);
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else OptimalCommunicatorSharedMemory(processors,optimal_comm,SHM);
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}
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static inline int divides(int a,int b)
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{
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@ -221,7 +221,7 @@ void GlobalSharedMemory::GetShmDims(const Coordinate &WorldDims,Coordinate &ShmD
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dim=(dim+1) %ndimension;
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}
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}
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void GlobalSharedMemory::OptimalCommunicatorHypercube(const Coordinate &processors,Grid_MPI_Comm & optimal_comm)
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void GlobalSharedMemory::OptimalCommunicatorHypercube(const Coordinate &processors,Grid_MPI_Comm & optimal_comm,Coordinate &SHM)
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{
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////////////////////////////////////////////////////////////////
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// Assert power of two shm_size.
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@ -294,7 +294,8 @@ void GlobalSharedMemory::OptimalCommunicatorHypercube(const Coordinate &processo
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Coordinate HyperCoor(ndimension);
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GetShmDims(WorldDims,ShmDims);
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SHM = ShmDims;
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////////////////////////////////////////////////////////////////
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// Establish torus of processes and nodes with sub-blockings
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////////////////////////////////////////////////////////////////
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@ -341,7 +342,7 @@ void GlobalSharedMemory::OptimalCommunicatorHypercube(const Coordinate &processo
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int ierr= MPI_Comm_split(WorldComm,0,rank,&optimal_comm);
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assert(ierr==0);
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}
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void GlobalSharedMemory::OptimalCommunicatorSharedMemory(const Coordinate &processors,Grid_MPI_Comm & optimal_comm)
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void GlobalSharedMemory::OptimalCommunicatorSharedMemory(const Coordinate &processors,Grid_MPI_Comm & optimal_comm,Coordinate &SHM)
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{
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////////////////////////////////////////////////////////////////
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// Identify subblock of ranks on node spreading across dims
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@ -353,6 +354,8 @@ void GlobalSharedMemory::OptimalCommunicatorSharedMemory(const Coordinate &proce
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Coordinate ShmCoor(ndimension); Coordinate NodeCoor(ndimension); Coordinate WorldCoor(ndimension);
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GetShmDims(WorldDims,ShmDims);
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SHM=ShmDims;
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////////////////////////////////////////////////////////////////
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// Establish torus of processes and nodes with sub-blockings
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////////////////////////////////////////////////////////////////
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