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58 lines
1.3 KiB
C++
58 lines
1.3 KiB
C++
#include "Grid.h"
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namespace Grid {
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CartesianCommunicator::CartesianCommunicator(std::vector<int> &processors)
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{
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_ndimension = _processors.size();
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_processor_coor.resize(_ndimension);
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_processors = processors;
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// Require 1^N processor grid for fake
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for(int d=0;d<_ndimension;d++) if(_processors[d]!=1) exit(-1);
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_processor = 0;// I am the one. The only one..
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for(int d=0;d<_ndimension;d++) _processor_coor[d] = 0;
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}
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void CartesianCommunicator::GlobalSum(float &){}
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void CartesianCommunicator::GlobalSumVector(float *,int N){}
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void CartesianCommunicator::GlobalSum(double &){}
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void CartesianCommunicator::GlobalSum(uint32_t &){}
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void CartesianCommunicator::GlobalSumVector(double *,int N){}
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// Basic Halo comms primitive
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void CartesianCommunicator::SendToRecvFrom(void *xmit,
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int dest,
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void *recv,
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int from,
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int bytes)
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{
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exit(-1);
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}
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void CartesianCommunicator::Barrier(void)
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{
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}
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void CartesianCommunicator::Broadcast(int root,void* data, int bytes)
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{
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}
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void CartesianCommunicator::ShiftedRanks(int dim,int shift,int &source,int &dest)
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{
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source =1;
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dest=1;
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}
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int CartesianCommunicator::RankFromProcessorCoor(std::vector<int> &coor)
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{
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return 1;
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}
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void CartesianCommunicator::ProcessorCoorFromRank(int rank, std::vector<int> &coor)
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{
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}
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}
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