portelli/Grid
1
0
Fork 0
mirror of https://github.com/paboyle/Grid.git synced 2025-06-15 14:27:06 +01:00
Code Releases Activity

Support a view for passing to accelerator

Browse Source
This commit is contained in:
paboyle
2018-03-04 15:54:35 +00:00
parent e5ea04ee0c
commit 9b1f29c4c2
3 changed files with 26 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
lib/algorithms/iterative/ImplicitlyRestartedLanczos.h
View File

@ -58,17 +58,18 @@ void basisRotate(std::vector<Field> &basis,Eigen::MatrixXd& Qt,int j0, int j1, i
thread_region
{
std::vector < vobj > B(Nm); // Thread private
thread_loop_in_region( (int ss=0;ss < grid->oSites();ss++),{
for(int j=j0; j<j1; ++j) B[j]=0.;
for(int j=j0; j<j1; ++j){
for(int k=k0; k<k1; ++k){
B[j] +=Qt(j,k) * basis[k][ss];
auto basis_k = basis[k].View();
B[j] +=Qt(j,k) * basis_k[ss];
}
}
for(int j=j0; j<j1; ++j){
basis[j][ss] = B[j];
auto basis_j = basis[j].View();
basis_j[ss] = B[j];
}
});
}
@ -82,12 +83,14 @@ void basisRotateJ(Field &result,std::vector<Field> &basis,Eigen::MatrixXd& Qt,in
GridBase* grid = basis[0].Grid();
result.Checkerboard() = basis[0].Checkerboard();
auto result_v=result.View();
thread_loop( (int ss=0;ss < grid->oSites();ss++),{
vobj B = Zero();
for(int k=k0; k<k1; ++k){
B +=Qt(j,k) * basis[k][ss];
auto basis_k = basis[k].View();
B +=Qt(j,k) * basis_k[ss];
}
result[ss] = B;
result_v[ss] = B;
});
}