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Build a list of whats on the surface

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paboyle
2017-04-24 17:06:15 +01:00
parent 916e9e1d3e
commit 56277a11c8
5 changed files with 101 additions and 13 deletions
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34
lib/stencil/Stencil.h
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@ -190,8 +190,38 @@ class CartesianStencil { // Stencil runs along coordinate axes only; NO diagonal
////////////////////////////////////////
// Stencil query
////////////////////////////////////////
inline int GetNodeLocal(int osite) {
return _entries[_npoints*osite]._node_local;
inline int SameNode(int point) {
int dimension = _directions[point];
int displacement = _distances[point];
assert( (displacement==1) || (displacement==-1));
int pd = _grid->_processors[dimension];
int fd = _grid->_fdimensions[dimension];
int ld = _grid->_ldimensions[dimension];
int rd = _grid->_rdimensions[dimension];
int simd_layout = _grid->_simd_layout[dimension];
int comm_dim = _grid->_processors[dimension] >1 ;
int recv_from_rank;
int xmit_to_rank;
if ( ! comm_dim ) return 1;
int nbr_proc;
if (displacement==1) nbr_proc = 1;
else nbr_proc = pd-1;
_grid->ShiftedRanks(dimension,nbr_proc,xmit_to_rank,recv_from_rank);
void *shm = (void *) _grid->ShmBufferTranslate(recv_from_rank,u_recv_buf_p);
if ( shm==NULL ) return 0;
return 1;
}
inline int GetNodeLocal(int osite,int point) {
return _entries[point+_npoints*osite]._node_local;
}
inline StencilEntry * GetEntry(int &ptype,int point,int osite) {
ptype = _permute_type[point]; return & _entries[point+_npoints*osite];