mirror of
https://github.com/paboyle/Grid.git
synced 2024-11-14 01:35:36 +00:00
4e085dd0ed
Azusa is working hard on the rectangle term and we'll hopefully start reproducing plaquettes from RBC-UKQCD parameters soon ! My new laptop is pretty warm and is starting to groan ;)
341 lines
9.0 KiB
C++
341 lines
9.0 KiB
C++
#ifndef GRID_LATTICE_TRANSFER_H
|
|
#define GRID_LATTICE_TRANSFER_H
|
|
|
|
namespace Grid {
|
|
|
|
inline void subdivides(GridBase *coarse,GridBase *fine)
|
|
{
|
|
assert(coarse->_ndimension == fine->_ndimension);
|
|
|
|
int _ndimension = coarse->_ndimension;
|
|
|
|
// local and global volumes subdivide cleanly after SIMDization
|
|
for(int d=0;d<_ndimension;d++){
|
|
assert(coarse->_processors[d] == fine->_processors[d]);
|
|
assert(coarse->_simd_layout[d] == fine->_simd_layout[d]);
|
|
assert((fine->_rdimensions[d] / coarse->_rdimensions[d])* coarse->_rdimensions[d]==fine->_rdimensions[d]);
|
|
}
|
|
}
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////
|
|
// remove and insert a half checkerboard
|
|
////////////////////////////////////////////////////////////////////////////////////////////
|
|
template<class vobj> inline void pickCheckerboard(int cb,Lattice<vobj> &half,const Lattice<vobj> &full){
|
|
half.checkerboard = cb;
|
|
int ssh=0;
|
|
//PARALLEL_FOR_LOOP
|
|
for(int ss=0;ss<full._grid->oSites();ss++){
|
|
std::vector<int> coor;
|
|
int cbos;
|
|
|
|
full._grid->oCoorFromOindex(coor,ss);
|
|
cbos=half._grid->CheckerBoard(coor);
|
|
|
|
if (cbos==cb) {
|
|
half._odata[ssh] = full._odata[ss];
|
|
ssh++;
|
|
}
|
|
}
|
|
}
|
|
template<class vobj> inline void setCheckerboard(Lattice<vobj> &full,const Lattice<vobj> &half){
|
|
int cb = half.checkerboard;
|
|
int ssh=0;
|
|
//PARALLEL_FOR_LOOP
|
|
for(int ss=0;ss<full._grid->oSites();ss++){
|
|
std::vector<int> coor;
|
|
int cbos;
|
|
|
|
full._grid->oCoorFromOindex(coor,ss);
|
|
cbos=half._grid->CheckerBoard(coor);
|
|
|
|
if (cbos==cb) {
|
|
full._odata[ss]=half._odata[ssh];
|
|
ssh++;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
template<class vobj,class CComplex,int nbasis>
|
|
inline void blockProject(Lattice<iVector<CComplex,nbasis > > &coarseData,
|
|
const Lattice<vobj> &fineData,
|
|
const std::vector<Lattice<vobj> > &Basis)
|
|
{
|
|
GridBase * fine = fineData._grid;
|
|
GridBase * coarse= coarseData._grid;
|
|
int _ndimension = coarse->_ndimension;
|
|
|
|
// checks
|
|
assert( nbasis == Basis.size() );
|
|
subdivides(coarse,fine);
|
|
for(int i=0;i<nbasis;i++){
|
|
conformable(Basis[i],fineData);
|
|
}
|
|
|
|
std::vector<int> block_r (_ndimension);
|
|
|
|
for(int d=0 ; d<_ndimension;d++){
|
|
block_r[d] = fine->_rdimensions[d] / coarse->_rdimensions[d];
|
|
assert(block_r[d]*coarse->_rdimensions[d] == fine->_rdimensions[d]);
|
|
}
|
|
|
|
coarseData=zero;
|
|
|
|
// Loop with a cache friendly loop ordering
|
|
for(int sf=0;sf<fine->oSites();sf++){
|
|
|
|
int sc;
|
|
std::vector<int> coor_c(_ndimension);
|
|
std::vector<int> coor_f(_ndimension);
|
|
GridBase::CoorFromIndex(coor_f,sf,fine->_rdimensions);
|
|
for(int d=0;d<_ndimension;d++) coor_c[d]=coor_f[d]/block_r[d];
|
|
GridBase::IndexFromCoor(coor_c,sc,coarse->_rdimensions);
|
|
|
|
for(int i=0;i<nbasis;i++) {
|
|
|
|
coarseData._odata[sc](i)=coarseData._odata[sc](i)
|
|
+ innerProduct(Basis[i]._odata[sf],fineData._odata[sf]);
|
|
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
template<class vobj,class CComplex>
|
|
inline void blockZAXPY(Lattice<vobj> &fineZ,
|
|
const Lattice<CComplex> &coarseA,
|
|
const Lattice<vobj> &fineX,
|
|
const Lattice<vobj> &fineY)
|
|
{
|
|
GridBase * fine = fineZ._grid;
|
|
GridBase * coarse= coarseA._grid;
|
|
|
|
fineZ.checkerboard=fineX.checkerboard;
|
|
subdivides(coarse,fine); // require they map
|
|
conformable(fineX,fineY);
|
|
conformable(fineX,fineZ);
|
|
|
|
int _ndimension = coarse->_ndimension;
|
|
|
|
std::vector<int> block_r (_ndimension);
|
|
|
|
// FIXME merge with subdivide checking routine as this is redundant
|
|
for(int d=0 ; d<_ndimension;d++){
|
|
block_r[d] = fine->_rdimensions[d] / coarse->_rdimensions[d];
|
|
assert(block_r[d]*coarse->_rdimensions[d]==fine->_rdimensions[d]);
|
|
}
|
|
|
|
PARALLEL_FOR_LOOP
|
|
for(int sf=0;sf<fine->oSites();sf++){
|
|
|
|
int sc;
|
|
std::vector<int> coor_c(_ndimension);
|
|
std::vector<int> coor_f(_ndimension);
|
|
|
|
GridBase::CoorFromIndex(coor_f,sf,fine->_rdimensions);
|
|
for(int d=0;d<_ndimension;d++) coor_c[d]=coor_f[d]/block_r[d];
|
|
GridBase::IndexFromCoor(coor_c,sc,coarse->_rdimensions);
|
|
|
|
// z = A x + y
|
|
fineZ._odata[sf]=coarseA._odata[sc]*fineX._odata[sf]+fineY._odata[sf];
|
|
|
|
}
|
|
|
|
return;
|
|
}
|
|
template<class vobj,class CComplex>
|
|
inline void blockInnerProduct(Lattice<CComplex> &CoarseInner,
|
|
const Lattice<vobj> &fineX,
|
|
const Lattice<vobj> &fineY)
|
|
{
|
|
typedef decltype(innerProduct(fineX._odata[0],fineY._odata[0])) dotp;
|
|
|
|
GridBase *coarse(CoarseInner._grid);
|
|
GridBase *fine (fineX._grid);
|
|
|
|
Lattice<dotp> fine_inner(fine);
|
|
Lattice<dotp> coarse_inner(coarse);
|
|
|
|
fine_inner = localInnerProduct(fineX,fineY);
|
|
blockSum(coarse_inner,fine_inner);
|
|
PARALLEL_FOR_LOOP
|
|
for(int ss=0;ss<coarse->oSites();ss++){
|
|
CoarseInner._odata[ss] = coarse_inner._odata[ss];
|
|
}
|
|
}
|
|
template<class vobj,class CComplex>
|
|
inline void blockNormalise(Lattice<CComplex> &ip,Lattice<vobj> &fineX)
|
|
{
|
|
GridBase *coarse = ip._grid;
|
|
Lattice<vobj> zz(fineX._grid); zz=zero;
|
|
blockInnerProduct(ip,fineX,fineX);
|
|
ip = pow(ip,-0.5);
|
|
blockZAXPY(fineX,ip,fineX,zz);
|
|
}
|
|
// useful in multigrid project;
|
|
// Generic name : Coarsen?
|
|
template<class vobj>
|
|
inline void blockSum(Lattice<vobj> &coarseData,const Lattice<vobj> &fineData)
|
|
{
|
|
GridBase * fine = fineData._grid;
|
|
GridBase * coarse= coarseData._grid;
|
|
|
|
subdivides(coarse,fine); // require they map
|
|
|
|
int _ndimension = coarse->_ndimension;
|
|
|
|
std::vector<int> block_r (_ndimension);
|
|
|
|
for(int d=0 ; d<_ndimension;d++){
|
|
block_r[d] = fine->_rdimensions[d] / coarse->_rdimensions[d];
|
|
}
|
|
|
|
coarseData=zero;
|
|
for(int sf=0;sf<fine->oSites();sf++){
|
|
|
|
int sc;
|
|
std::vector<int> coor_c(_ndimension);
|
|
std::vector<int> coor_f(_ndimension);
|
|
|
|
GridBase::CoorFromIndex(coor_f,sf,fine->_rdimensions);
|
|
for(int d=0;d<_ndimension;d++) coor_c[d]=coor_f[d]/block_r[d];
|
|
GridBase::IndexFromCoor(coor_c,sc,coarse->_rdimensions);
|
|
|
|
coarseData._odata[sc]=coarseData._odata[sc]+fineData._odata[sf];
|
|
|
|
}
|
|
return;
|
|
}
|
|
|
|
template<class vobj>
|
|
inline void blockPick(GridBase *coarse,const Lattice<vobj> &unpicked,Lattice<vobj> &picked,std::vector<int> coor)
|
|
{
|
|
GridBase * fine = unpicked._grid;
|
|
|
|
Lattice<vobj> zz(fine);
|
|
Lattice<iScalar<vInteger> > fcoor(fine);
|
|
|
|
zz = zero;
|
|
|
|
picked = unpicked;
|
|
for(int d=0;d<fine->_ndimension;d++){
|
|
LatticeCoordinate(fcoor,d);
|
|
int block= fine->_rdimensions[d] / coarse->_rdimensions[d];
|
|
int lo = (coor[d])*block;
|
|
int hi = (coor[d]+1)*block;
|
|
picked = where( (fcoor<hi) , picked, zz);
|
|
picked = where( (fcoor>=lo), picked, zz);
|
|
}
|
|
}
|
|
|
|
template<class vobj,class CComplex>
|
|
inline void blockOrthogonalise(Lattice<CComplex> &ip,std::vector<Lattice<vobj> > &Basis)
|
|
{
|
|
GridBase *coarse = ip._grid;
|
|
GridBase *fine = Basis[0]._grid;
|
|
|
|
int nbasis = Basis.size() ;
|
|
int _ndimension = coarse->_ndimension;
|
|
|
|
// checks
|
|
subdivides(coarse,fine);
|
|
for(int i=0;i<nbasis;i++){
|
|
conformable(Basis[i]._grid,fine);
|
|
}
|
|
|
|
for(int v=0;v<nbasis;v++) {
|
|
for(int u=0;u<v;u++) {
|
|
//Inner product & remove component
|
|
blockInnerProduct(ip,Basis[u],Basis[v]);
|
|
ip = -ip;
|
|
blockZAXPY<vobj,CComplex> (Basis[v],ip,Basis[u],Basis[v]);
|
|
}
|
|
blockNormalise(ip,Basis[v]);
|
|
}
|
|
}
|
|
|
|
template<class vobj,class CComplex,int nbasis>
|
|
inline void blockPromote(const Lattice<iVector<CComplex,nbasis > > &coarseData,
|
|
Lattice<vobj> &fineData,
|
|
const std::vector<Lattice<vobj> > &Basis)
|
|
{
|
|
GridBase * fine = fineData._grid;
|
|
GridBase * coarse= coarseData._grid;
|
|
int _ndimension = coarse->_ndimension;
|
|
|
|
// checks
|
|
assert( nbasis == Basis.size() );
|
|
subdivides(coarse,fine);
|
|
for(int i=0;i<nbasis;i++){
|
|
conformable(Basis[i]._grid,fine);
|
|
}
|
|
|
|
std::vector<int> block_r (_ndimension);
|
|
|
|
for(int d=0 ; d<_ndimension;d++){
|
|
block_r[d] = fine->_rdimensions[d] / coarse->_rdimensions[d];
|
|
}
|
|
|
|
// Loop with a cache friendly loop ordering
|
|
for(int sf=0;sf<fine->oSites();sf++){
|
|
|
|
int sc;
|
|
std::vector<int> coor_c(_ndimension);
|
|
std::vector<int> coor_f(_ndimension);
|
|
|
|
GridBase::CoorFromIndex(coor_f,sf,fine->_rdimensions);
|
|
for(int d=0;d<_ndimension;d++) coor_c[d]=coor_f[d]/block_r[d];
|
|
GridBase::IndexFromCoor(coor_c,sc,coarse->_rdimensions);
|
|
|
|
for(int i=0;i<nbasis;i++) {
|
|
if(i==0) fineData._odata[sf]=coarseData._odata[sc](i) * Basis[i]._odata[sf];
|
|
else fineData._odata[sf]=fineData._odata[sf]+coarseData._odata[sc](i)*Basis[i]._odata[sf];
|
|
|
|
}
|
|
}
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
template<class vobj>
|
|
void Replicate(Lattice<vobj> &coarse,Lattice<vobj> & fine)
|
|
{
|
|
typedef typename vobj::scalar_object sobj;
|
|
|
|
GridBase *cg = coarse._grid;
|
|
GridBase *fg = fine._grid;
|
|
|
|
int nd = cg->_ndimension;
|
|
|
|
subdivides(cg,fg);
|
|
|
|
assert(cg->_ndimension==fg->_ndimension);
|
|
|
|
std::vector<int> ratio(cg->_ndimension);
|
|
|
|
for(int d=0;d<cg->_ndimension;d++){
|
|
ratio[d] = fg->_fdimensions[d]/cg->_fdimensions[d];
|
|
}
|
|
|
|
std::vector<int> fcoor(nd);
|
|
std::vector<int> ccoor(nd);
|
|
for(int g=0;g<fg->gSites();g++){
|
|
|
|
fg->GlobalIndexToGlobalCoor(g,fcoor);
|
|
for(int d=0;d<nd;d++){
|
|
ccoor[d] = fcoor[d]%cg->_gdimensions[d];
|
|
}
|
|
|
|
sobj tmp;
|
|
peekSite(tmp,coarse,ccoor);
|
|
pokeSite(tmp,fine,fcoor);
|
|
}
|
|
|
|
}
|
|
|
|
|
|
}
|
|
#endif
|