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Code Releases Activity

Speed up Cshift

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This commit is contained in:
Peter Boyle
2020-05-11 17:02:01 -04:00
parent 8c31c065b5
commit 07c0c02f8c
12 changed files with 373 additions and 265 deletions
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1
Grid/cartesian/Cartesian_base.h
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@ -81,6 +81,7 @@ public:
bool _isCheckerBoarded;
int LocallyPeriodic;
Coordinate _checker_dim_mask;
public:

4
Grid/cartesian/Cartesian_full.h
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@ -38,6 +38,7 @@ class GridCartesian: public GridBase {
public:
int dummy;
Coordinate _checker_dim_mask;
virtual int CheckerBoardFromOindexTable (int Oindex) {
return 0;
}
@ -104,6 +105,7 @@ public:
_ldimensions.resize(_ndimension);
_rdimensions.resize(_ndimension);
_simd_layout.resize(_ndimension);
_checker_dim_mask.resize(_ndimension);;
_lstart.resize(_ndimension);
_lend.resize(_ndimension);
@ -114,6 +116,8 @@ public:
for (int d = 0; d < _ndimension; d++)
{
_checker_dim_mask[d]=0;
_fdimensions[d] = dimensions[d]; // Global dimensions
_gdimensions[d] = _fdimensions[d]; // Global dimensions
_simd_layout[d] = simd_layout[d];

18
Grid/cartesian/Cartesian_red_black.h
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@ -35,12 +35,28 @@ static const int CbRed =0;
static const int CbBlack=1;
static const int Even =CbRed;
static const int Odd =CbBlack;
accelerator_inline int RedBlackCheckerBoardFromOindex (int oindex, Coordinate &rdim, Coordinate &chk_dim_msk)
{
int nd=rdim.size();
Coordinate coor(nd);
Lexicographic::CoorFromIndex(coor,oindex,rdim);
int linear=0;
for(int d=0;d<nd;d++){
if(chk_dim_msk[d])
linear=linear+coor[d];
}
return (linear&0x1);
}
// Specialise this for red black grids storing half the data like a chess board.
class GridRedBlackCartesian : public GridBase
{
public:
Coordinate _checker_dim_mask;
// Coordinate _checker_dim_mask;
int _checker_dim;
std::vector<int> _checker_board;