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This commit is contained in:
Christoph Lehner
2021-03-19 11:33:23 +01:00
parent 49ecbc81d4
commit 2bb374daea
2 changed files with 17 additions and 5 deletions
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12
Grid/lattice/Lattice_transfer.h
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@ -360,16 +360,22 @@ inline void blockSum(Lattice<vobj> &coarseData,const Lattice<vobj> &fineData)
autoView( coarseData_ , coarseData, AcceleratorWrite);
autoView( fineData_ , fineData, AcceleratorRead);
auto coarseData_p = &coarseData_[0];
auto fineData_p = &fineData_[0];
Coordinate fine_rdimensions = fine->_rdimensions;
Coordinate coarse_rdimensions = coarse->_rdimensions;
vobj zz = Zero();
accelerator_for(sc,coarse->oSites(),1,{
// One thread per sub block
Coordinate coor_c(_ndimension);
Lexicographic::CoorFromIndex(coor_c,sc,coarse_rdimensions); // Block coordinate
coarseData_[sc]=Zero();
vobj cd = zz;
for(int sb=0;sb<blockVol;sb++){
int sf;
@ -379,9 +385,11 @@ inline void blockSum(Lattice<vobj> &coarseData,const Lattice<vobj> &fineData)
for(int d=0;d<_ndimension;d++) coor_f[d]=coor_c[d]*block_r[d] + coor_b[d];
Lexicographic::IndexFromCoor(coor_f,sf,fine_rdimensions);
coarseData_[sc]=coarseData_[sc]+fineData_[sf];
cd=cd+fineData_p[sf];
}
coarseData_p[sc] = cd;
});
return;
}