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Accelerator mark up of entire tensore space for offload

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paboyle
2018-01-24 13:27:30 +00:00
parent 69327db9a9
commit 8e99264f40
18 changed files with 614 additions and 661 deletions
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8
lib/tensors/Tensor_exp.h
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@ -37,14 +37,14 @@ NAMESPACE_BEGIN(Grid);
///////////////////////////////////////////////
template<class vtype> inline iScalar<vtype> Exponentiate(const iScalar<vtype>&r, RealD alpha , Integer Nexp = DEFAULT_MAT_EXP)
template<class vtype> accelerator_inline iScalar<vtype> Exponentiate(const iScalar<vtype>&r, RealD alpha , Integer Nexp = DEFAULT_MAT_EXP)
{
iScalar<vtype> ret;
ret._internal = Exponentiate(r._internal, alpha, Nexp);
return ret;
}
template<class vtype, int N> inline iVector<vtype, N> Exponentiate(const iVector<vtype,N>&r, RealD alpha , Integer Nexp = DEFAULT_MAT_EXP)
template<class vtype, int N> accelerator_inline iVector<vtype, N> Exponentiate(const iVector<vtype,N>&r, RealD alpha , Integer Nexp = DEFAULT_MAT_EXP)
{
iVector<vtype, N> ret;
for (int i = 0; i < N; i++)
@ -56,7 +56,7 @@ template<class vtype, int N> inline iVector<vtype, N> Exponentiate(const iVector
// Specialisation: Cayley-Hamilton exponential for SU(3)
template<class vtype, typename std::enable_if< GridTypeMapper<vtype>::TensorLevel == 0>::type * =nullptr>
inline iMatrix<vtype,3> Exponentiate(const iMatrix<vtype,3> &arg, RealD alpha , Integer Nexp = DEFAULT_MAT_EXP )
accelerator_inline iMatrix<vtype,3> Exponentiate(const iMatrix<vtype,3> &arg, RealD alpha , Integer Nexp = DEFAULT_MAT_EXP )
{
// for SU(3) 2x faster than the std implementation using Nexp=12
// notice that it actually computes
@ -120,7 +120,7 @@ inline iMatrix<vtype,3> Exponentiate(const iMatrix<vtype,3> &arg, RealD alpha ,
// General exponential
template<class vtype,int N, typename std::enable_if< GridTypeMapper<vtype>::TensorLevel == 0 >::type * =nullptr>
inline iMatrix<vtype,N> Exponentiate(const iMatrix<vtype,N> &arg, RealD alpha , Integer Nexp = DEFAULT_MAT_EXP )
accelerator_inline iMatrix<vtype,N> Exponentiate(const iMatrix<vtype,N> &arg, RealD alpha , Integer Nexp = DEFAULT_MAT_EXP )
{
// notice that it actually computes
// exp ( input matrix )