#ifndef GRID_CARTESIAN_FULL_H #define GRID_CARTESIAN_FULL_H namespace Grid{ ///////////////////////////////////////////////////////////////////////////////////////// // Grid Support. ///////////////////////////////////////////////////////////////////////////////////////// class GridCartesian: public GridBase { public: virtual int CheckerBoarded(int dim){ return 0; } virtual int CheckerBoard(std::vector site){ return 0; } virtual int CheckerBoardDestination(int cb,int shift,int dim){ return 0; } virtual int CheckerBoardShiftForCB(int source_cb,int dim,int shift, int ocb){ return shift; } virtual int CheckerBoardShift(int source_cb,int dim,int shift, int osite){ return shift; } GridCartesian(std::vector &dimensions, std::vector &simd_layout, std::vector &processor_grid ) : GridBase(processor_grid) { /////////////////////// // Grid information /////////////////////// _ndimension = dimensions.size(); _fdimensions.resize(_ndimension); _gdimensions.resize(_ndimension); _ldimensions.resize(_ndimension); _rdimensions.resize(_ndimension); _simd_layout.resize(_ndimension); _ostride.resize(_ndimension); _istride.resize(_ndimension); _fsites = _gsites = _osites = _isites = 1; for(int d=0;d<_ndimension;d++){ _fdimensions[d] = dimensions[d]; // Global dimensions _gdimensions[d] = _fdimensions[d]; // Global dimensions _simd_layout[d] = simd_layout[d]; _fsites = _fsites * _fdimensions[d]; _gsites = _gsites * _gdimensions[d]; //FIXME check for exact division // Use a reduced simd grid _ldimensions[d]= _gdimensions[d]/_processors[d]; //local dimensions _rdimensions[d]= _ldimensions[d]/_simd_layout[d]; //overdecomposition _osites *= _rdimensions[d]; _isites *= _simd_layout[d]; // Addressing support if ( d==0 ) { _ostride[d] = 1; _istride[d] = 1; } else { _ostride[d] = _ostride[d-1]*_rdimensions[d-1]; _istride[d] = _istride[d-1]*_simd_layout[d-1]; } } /////////////////////// // subplane information /////////////////////// _slice_block.resize(_ndimension); _slice_stride.resize(_ndimension); _slice_nblock.resize(_ndimension); int block =1; int nblock=1; for(int d=0;d<_ndimension;d++) nblock*=_rdimensions[d]; for(int d=0;d<_ndimension;d++){ nblock/=_rdimensions[d]; _slice_block[d] =block; _slice_stride[d]=_ostride[d]*_rdimensions[d]; _slice_nblock[d]=nblock; block = block*_rdimensions[d]; } }; }; } #endif