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Added a free laplacian

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This commit is contained in:
Peter Boyle
2025-10-22 21:31:53 -04:00
parent 77b2e9fb61
commit 21514d8487
1 changed files with 86 additions and 23 deletions
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107
tests/debug/Test_icosahedron.cc
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@@ -41,6 +41,7 @@ typedef iIcosahedralLorentzComplex<Complex > IcosahedralLorentzComplex;
typedef iIcosahedralLorentzComplex<vComplex> vIcosahedralLorentzComplex; typedef iIcosahedralLorentzComplex<vComplex> vIcosahedralLorentzComplex;
typedef Lattice<vIcosahedralLorentzComplex> LatticeIcosahedralLorentzComplex; typedef Lattice<vIcosahedralLorentzComplex> LatticeIcosahedralLorentzComplex;
typedef iIcosahedralLorentzColourMatrix<Complex > IcosahedralLorentzColourMatrix; typedef iIcosahedralLorentzColourMatrix<Complex > IcosahedralLorentzColourMatrix;
typedef iIcosahedralLorentzColourMatrix<vComplex> vIcosahedralLorentzColourMatrix; typedef iIcosahedralLorentzColourMatrix<vComplex> vIcosahedralLorentzColourMatrix;
typedef Lattice<vIcosahedralLorentzColourMatrix> LatticeIcosahedralLorentzColourMatrix; typedef Lattice<vIcosahedralLorentzColourMatrix> LatticeIcosahedralLorentzColourMatrix;
@@ -274,20 +275,17 @@ public:
* Should be able to use the Vertex based stencil to do the GT, picking forward hops * Should be able to use the Vertex based stencil to do the GT, picking forward hops
*/ */
template<class MatterField> template<class MatterField>
void CovariantLaplacian(MatterField &in,MatterField &out, GaugeField &Umu) void Laplacian(MatterField &in,MatterField &out)
{ {
} autoView(out_v,out,AcceleratorWrite);
void GaugeTransform(GaugeLinkField &gt, GaugeField &Umu) autoView(in_v,in,AcceleratorRead);
{ autoView(stencil_v,NNvv,AcceleratorRead);
autoView(Umu_v,Umu,AcceleratorWrite);
autoView(g_v,gt,AcceleratorRead);
autoView(stencil_v,NNev,AcceleratorRead);
const int np = NNev._npoints; const int np = NNvv._npoints;
std::cout << GridLogMessage<< "GaugeTransform via STENCIL "<<std::endl; std::cout << GridLogMessage<< "Free Laplacian via STENCIL "<<std::endl;
accelerator_for(ss,EdgeGrid->oSites(),vComplex::Nsimd(),{ accelerator_for(ss,VertexGrid->oSites(),vComplex::Nsimd(),{
const int ent_Xp = 0; const int ent_Xp = 0;
const int ent_Yp = 1; const int ent_Yp = 1;
@@ -307,23 +305,84 @@ public:
const int y = IcosahedronPatchY; const int y = IcosahedronPatchY;
const int d = IcosahedronPatchDiagonal; const int d = IcosahedronPatchDiagonal;
// Three forward links from this site // // Three forward links from this site
auto Lx = Umu_v(ss)(x); // auto Lx = Umu_v(ss)(x);
auto Ly = Umu_v(ss)(y); // auto Ly = Umu_v(ss)(y);
auto Ld = Umu_v(ss)(d); // auto Ld = Umu_v(ss)(d);
uint64_t xp_idx;
uint64_t yp_idx;
uint64_t dp_idx;
auto SE = stencil_v.GetEntry(ent_Xp,ss); auto SE = stencil_v.GetEntry(ent_Xp,ss);
xp_idx = SE->_offset; uint64_t xp_idx = SE->_offset;
SE = stencil_v.GetEntry(ent_Yp,ss); SE = stencil_v.GetEntry(ent_Yp,ss);
yp_idx = SE->_offset; uint64_t yp_idx = SE->_offset;
SE = stencil_v.GetEntry(ent_Dp,ss); SE = stencil_v.GetEntry(ent_Dp,ss);
dp_idx = SE->_offset; uint64_t dp_idx = SE->_offset;
SE = stencil_v.GetEntry(ent_Xm,ss);
uint64_t xm_idx = SE->_offset;
SE = stencil_v.GetEntry(ent_Ym,ss);
uint64_t ym_idx = SE->_offset;
SE = stencil_v.GetEntry(ent_Dm,ss);
uint64_t dm_idx = SE->_offset;
int missingLink = SE->_missing_link;
auto i = in_v(ss)();
auto inxp = in_v(xp_idx)();
auto inyp = in_v(yp_idx)();
auto indp = in_v(dp_idx)();
auto inxm = in_v(xm_idx)();
auto inym = in_v(ym_idx)();
auto indm = in_v(dm_idx)();
auto o = out_v(ss)();
if ( missingLink ) {
o = (1.0/5.0)*(inxp+inyp+indp+inxm+inym)-o;
} else {
o = (1.0/6.0)*(inxp+inyp+indp+inxm+inym+indm)-o;
}
coalescedWrite(out_v[ss](),o);
});
}
void GaugeTransform(GaugeLinkField &gt, GaugeField &Umu)
{
autoView(Umu_v,Umu,AcceleratorWrite);
autoView(g_v,gt,AcceleratorRead);
autoView(stencil_v,NNev,AcceleratorRead);
const int np = NNev._npoints;
std::cout << GridLogMessage<< "GaugeTransform via STENCIL "<<std::endl;
accelerator_for(ss,EdgeGrid->oSites(),vComplex::Nsimd(),{
const int ent_Xp = 0;
const int ent_Yp = 1;
const int ent_Dp = 2;
Integer lexXp = ss*np+ent_Xp;
Integer lexYp = ss*np+ent_Yp;
Integer lexDp = ss*np+ent_Dp;
// Three forward links from this site
auto Lx = Umu_v(ss)(IcosahedronPatchX);
auto Ly = Umu_v(ss)(IcosahedronPatchY);
auto Ld = Umu_v(ss)(IcosahedronPatchDiagonal);
auto SE = stencil_v.GetEntry(ent_Xp,ss);
uint64_t xp_idx = SE->_offset;
SE = stencil_v.GetEntry(ent_Yp,ss);
uint64_t yp_idx = SE->_offset;
SE = stencil_v.GetEntry(ent_Dp,ss);
uint64_t dp_idx = SE->_offset;
auto g = g_v(ss)(); auto g = g_v(ss)();
auto gx = g_v(xp_idx)(); auto gx = g_v(xp_idx)();
@@ -587,7 +646,6 @@ int main (int argc, char ** argv)
std::cout << GridLogMessage << " plaq1 err "<< norm2(plaq1-plaq_ref)<<std::endl; std::cout << GridLogMessage << " plaq1 err "<< norm2(plaq1-plaq_ref)<<std::endl;
std::cout << GridLogMessage << " plaq2 err "<< norm2(plaq2-plaq_ref)<<std::endl; std::cout << GridLogMessage << " plaq2 err "<< norm2(plaq2-plaq_ref)<<std::endl;
typedef IcosahedralGimpl::GaugeLinkField GaugeLinkField; typedef IcosahedralGimpl::GaugeLinkField GaugeLinkField;
typedef IcosahedralGimpl::GaugeField GaugeField; typedef IcosahedralGimpl::GaugeField GaugeField;
@@ -638,6 +696,11 @@ int main (int argc, char ** argv)
// std::cout << " YXD\n " << closure(linkY * stapleXD) <<std::endl; // std::cout << " YXD\n " << closure(linkY * stapleXD) <<std::endl;
std::cout << GridLogMessage<< "Calling Laplacian" <<std::endl;
LatticeComplex in(&VertexGrid);
LatticeComplex out(&VertexGrid);
gaussian(vRNG,in);
Support.Laplacian(in,out);
Grid_finalize(); Grid_finalize();
} }