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Think the reduction is now sorted and cleaned up

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This commit is contained in:
Peter Boyle 2019-08-11 11:09:01 +01:00
parent 53e3ab4131
commit ce97638bac
2 changed files with 15 additions and 7 deletions
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20
Grid/lattice/Lattice_reduction.h
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@ -22,15 +22,15 @@ Author: paboyle <paboyle@ph.ed.ac.uk>
#pragma once
#include <Grid/Grid_Eigen_Dense.h>
#ifdef GRID_NVCC
#include <Grid/lattice/Lattice_reduction_gpu.h>
#endif
NAMESPACE_BEGIN(Grid);
#ifndef GRID_NVCC
template<class vobj>
inline typename vobj::scalar_object sum(const Lattice<vobj> &arg)
inline typename vobj::scalar_object sum_cpu(const Lattice<vobj> &arg)
{
GridBase *grid=arg.Grid();
int Nsimd = grid->Nsimd();
@ -69,8 +69,16 @@ inline typename vobj::scalar_object sum(const Lattice<vobj> &arg)
return ssum;
}
#endif
template<class vobj>
inline typename vobj::scalar_object sum(const Lattice<vobj> &arg)
{
#ifdef GRID_NVCC
return sum_gpu(arg);
#else
return sum_cpu(arg);
#endif
}
////////////////////////////////////////////////////////////////////////////////////////////////////
// Deterministic Reduction operations
@ -109,7 +117,7 @@ inline ComplexD innerProduct(const Lattice<vobj> &left,const Lattice<vobj> &righ
nrm = TensorRemove(sum(inner_tmp));
right.Grid()->GlobalSum(nrm);
// right.Grid()->GlobalSum(nrm);
return nrm;
}
@ -157,7 +165,7 @@ axpby_norm_fast(Lattice<vobj> &z,sobj a,sobj b,const Lattice<vobj> &x,const Latt
nrm = real(TensorRemove(sum(inner_tmp)));
z.Grid()->GlobalSum(nrm);
// z.Grid()->GlobalSum(nrm);
return nrm;
}

2
Grid/lattice/Lattice_reduction_gpu.h
View File

@ -180,7 +180,7 @@ __global__ void reduceKernel(const LatticeView<vobj> lat, typename vobj::scalar_
}
template <class vobj>
inline typename vobj::scalar_object sum(const Lattice<vobj> &lat)
inline typename vobj::scalar_object sum_gpu(const Lattice<vobj> &lat)
{
LatticeView<vobj> lat_v = lat.View();