CHROMA
Functions
Chroma::InvEigCG2Env Namespace Reference

Conjugate-Gradient (CGNE) with eigenstd::vector acceleration. More...

Functions

template<typename T >
void SubSpaceMatrix_T (LinAlg::Matrix< DComplex > &H, const LinearOperator< T > &A, const multi1d< T > &evec, int Nvecs)
 
template<typename T >
void SubSpaceMatrix_T (LinAlg::Matrix< DComplex > &H, const LinearOperator< T > &A, const multi1d< T > &evec, const multi1d< Double > &eval, int Nvecs, int NgoodEvecs)
 
template<typename T >
SystemSolverResults_t new_InvEigCG2_T (const LinearOperator< T > &A, T &x, const T &b, multi1d< Double > &eval, multi1d< T > &evec, int Neig, int Nmax, const Real &RsdCG, int MaxCG, const int PrintLevel)
 
template<typename T >
SystemSolverResults_t InvEigCG2_T (const LinearOperator< T > &A, T &x, const T &b, multi1d< Double > &eval, multi1d< T > &evec, int Neig, int Nmax, const Real &RsdCG, int MaxCG, const int PrintLevel)
 
template<typename T >
SystemSolverResults_t vecPrecondCG_T (const LinearOperator< T > &A, T &x, const T &b, const multi1d< Double > &eval, const multi1d< T > &evec, int startV, int endV, const Real &RsdCG, int MaxCG)
 
template<typename T >
void InitGuess_T (const LinearOperator< T > &A, T &x, const T &b, const multi1d< Double > &eval, const multi1d< T > &evec, int &n_count)
 
template<typename T >
void InitGuess_T (const LinearOperator< T > &A, T &x, const T &b, const multi1d< Double > &eval, const multi1d< T > &evec, int N, int &n_count)
 
void SubSpaceMatrix (LinAlg::Matrix< DComplex > &H, const LinearOperator< LatticeFermionF > &A, const multi1d< LatticeFermionF > &evec, int Nvecs)
 
void SubSpaceMatrix (LinAlg::Matrix< DComplex > &H, const LinearOperator< LatticeFermionF > &A, const multi1d< LatticeFermionF > &evec, const multi1d< Double > &eval, int Nvecs, int NgoodEvecs)
 
SystemSolverResults_t InvEigCG2 (const LinearOperator< LatticeFermionF > &A, LatticeFermionF &x, const LatticeFermionF &b, multi1d< Double > &eval, multi1d< LatticeFermionF > &evec, int Neig, int Nmax, const Real &RsdCG, int MaxCG, const int PrintLevel)
 
SystemSolverResults_t vecPrecondCG (const LinearOperator< LatticeFermionF > &A, LatticeFermionF &x, const LatticeFermionF &b, const multi1d< Double > &eval, const multi1d< LatticeFermionF > &evec, int startV, int endV, const Real &RsdCG, int MaxCG)
 
void InitGuess (const LinearOperator< LatticeFermionF > &A, LatticeFermionF &x, const LatticeFermionF &b, const multi1d< Double > &eval, const multi1d< LatticeFermionF > &evec, int &n_count)
 
void InitGuess (const LinearOperator< LatticeFermionF > &A, LatticeFermionF &x, const LatticeFermionF &b, const multi1d< Double > &eval, const multi1d< LatticeFermionF > &evec, int N, int &n_count)
 
void SubSpaceMatrix (LinAlg::Matrix< DComplex > &H, const LinearOperator< LatticeFermionD > &A, const multi1d< LatticeFermionD > &evec, int Nvecs)
 
void SubSpaceMatrix (LinAlg::Matrix< DComplex > &H, const LinearOperator< LatticeFermionD > &A, const multi1d< LatticeFermionD > &evec, const multi1d< Double > &eval, int Nvecs, int NgoodEvecs)
 
SystemSolverResults_t InvEigCG2 (const LinearOperator< LatticeFermionD > &A, LatticeFermionD &x, const LatticeFermionD &b, multi1d< Double > &eval, multi1d< LatticeFermionD > &evec, int Neig, int Nmax, const Real &RsdCG, int MaxCG, const int plvl)
 
SystemSolverResults_t vecPrecondCG (const LinearOperator< LatticeFermionD > &A, LatticeFermionD &x, const LatticeFermionD &b, const multi1d< Double > &eval, const multi1d< LatticeFermionD > &evec, int startV, int endV, const Real &RsdCG, int MaxCG)
 
void InitGuess (const LinearOperator< LatticeFermionD > &A, LatticeFermionD &x, const LatticeFermionD &b, const multi1d< Double > &eval, const multi1d< LatticeFermionD > &evec, int &n_count)
 
void InitGuess (const LinearOperator< LatticeFermionD > &A, LatticeFermionD &x, const LatticeFermionD &b, const multi1d< Double > &eval, const multi1d< LatticeFermionD > &evec, int N, int &n_count)
 

Detailed Description

Conjugate-Gradient (CGNE) with eigenstd::vector acceleration.

Function Documentation

◆ InitGuess() [1/4]

void Chroma::InvEigCG2Env::InitGuess ( const LinearOperator< LatticeFermionD > &  A,
LatticeFermionD &  x,
const LatticeFermionD &  b,
const multi1d< Double > &  eval,
const multi1d< LatticeFermionD > &  evec,
int &  n_count 
)

Definition at line 1260 of file inv_eigcg2.cc.

References Chroma::A(), Chroma::b, InitGuess_T(), Chroma::n_count, and x.

◆ InitGuess() [2/4]

void Chroma::InvEigCG2Env::InitGuess ( const LinearOperator< LatticeFermionD > &  A,
LatticeFermionD &  x,
const LatticeFermionD &  b,
const multi1d< Double > &  eval,
const multi1d< LatticeFermionD > &  evec,
int  N,
int &  n_count 
)

Definition at line 1270 of file inv_eigcg2.cc.

References Chroma::A(), Chroma::b, InitGuess_T(), Chroma::n_count, and x.

Referenced by InitGuess_T().

◆ InitGuess() [3/4]

void Chroma::InvEigCG2Env::InitGuess ( const LinearOperator< LatticeFermionF > &  A,
LatticeFermionF &  x,
const LatticeFermionF &  b,
const multi1d< Double > &  eval,
const multi1d< LatticeFermionF > &  evec,
int &  n_count 
)

Definition at line 1196 of file inv_eigcg2.cc.

References Chroma::A(), Chroma::b, InitGuess_T(), Chroma::n_count, and x.

◆ InitGuess() [4/4]

void Chroma::InvEigCG2Env::InitGuess ( const LinearOperator< LatticeFermionF > &  A,
LatticeFermionF &  x,
const LatticeFermionF &  b,
const multi1d< Double > &  eval,
const multi1d< LatticeFermionF > &  evec,
int  N,
int &  n_count 
)

Definition at line 1206 of file inv_eigcg2.cc.

References Chroma::A(), Chroma::b, InitGuess_T(), Chroma::n_count, and x.

◆ InitGuess_T() [1/2]

template<typename T >
void Chroma::InvEigCG2Env::InitGuess_T ( const LinearOperator< T > &  A,
T &  x,
const T &  b,
const multi1d< Double > &  eval,
const multi1d< T > &  evec,
int &  n_count 
)

Definition at line 1104 of file inv_eigcg2.cc.

References Chroma::A(), Chroma::b, InitGuess(), Chroma::n_count, and x.

◆ InitGuess_T() [2/2]

template<typename T >
void Chroma::InvEigCG2Env::InitGuess_T ( const LinearOperator< T > &  A,
T &  x,
const T &  b,
const multi1d< Double > &  eval,
const multi1d< T > &  evec,
int  N,
int &  n_count 
)

QDPIO::cout << "InitGuess: time = " << snoop.getTimeInSeconds() << " secs" << std::endl;

Definition at line 1116 of file inv_eigcg2.cc.

References Chroma::A(), Chroma::b, Chroma::d, Chroma::i, Chroma::InlinePropAndMatElemDistillation2Env::local::innerProduct(), Chroma::n_count, Chroma::PLUS, Chroma::r, and x.

Referenced by InitGuess().

◆ InvEigCG2() [1/2]

SystemSolverResults_t Chroma::InvEigCG2Env::InvEigCG2 ( const LinearOperator< LatticeFermionD > &  A,
LatticeFermionD &  x,
const LatticeFermionD &  b,
multi1d< Double > &  eval,
multi1d< LatticeFermionD > &  evec,
int  Neig,
int  Nmax,
const Real &  RsdCG,
int  MaxCG,
const int  plvl 
)

Definition at line 1236 of file inv_eigcg2.cc.

References Chroma::A(), Chroma::b, Chroma::MaxCG, Chroma::RsdCG, and x.

◆ InvEigCG2() [2/2]

SystemSolverResults_t Chroma::InvEigCG2Env::InvEigCG2 ( const LinearOperator< LatticeFermionF > &  A,
LatticeFermionF &  x,
const LatticeFermionF &  b,
multi1d< Double > &  eval,
multi1d< LatticeFermionF > &  evec,
int  Neig,
int  Nmax,
const Real &  RsdCG,
int  MaxCG,
const int  PrintLevel 
)

Definition at line 1172 of file inv_eigcg2.cc.

References Chroma::A(), Chroma::b, Chroma::MaxCG, Chroma::RsdCG, and x.

◆ InvEigCG2_T()

template<typename T >
SystemSolverResults_t Chroma::InvEigCG2Env::InvEigCG2_T ( const LinearOperator< T > &  A,
T &  x,
const T &  b,
multi1d< Double > &  eval,
multi1d< T > &  evec,
int  Neig,
int  Nmax,
const Real &  RsdCG,
int  MaxCG,
const int  PrintLevel 
)

preconditioning algorithm ** z[A.subset()]=r ; //preconditioning can be added here r_dot_z = innerProductReal(r,z,A.subset());

Definition at line 373 of file inv_eigcg2.cc.

References Chroma::A(), Chroma::LinAlg::Vectors< T >::AddOrReplaceVector(), Chroma::LinAlg::Vectors< T >::AddVectors(), Chroma::StagPhases::alpha(), Chroma::b, Chroma::StagPhases::beta(), Chroma::BaryonSpinMats::C(), Chroma::END_CODE(), Chroma::i, Chroma::InlinePropAndMatElemDistillation2Env::local::innerProduct(), j, Chroma::k, Chroma::LinAlg::Matrix< T >::mat, Chroma::MaxCG, Chroma::LinAlg::Vectors< T >::N, Chroma::LinAlg::Matrix< T >::N, Chroma::SystemSolverResults_t::n_count, Chroma::LinAlg::Vectors< T >::NormalizeAndAddVector(), Chroma::normGramSchmidt(), Chroma::p, Chroma::PLUS, Chroma::QDP_error_exit(), Chroma::r, Chroma::SystemSolverResults_t::resid, Chroma::rsd_sq, Chroma::RsdCG, Chroma::START_CODE(), SubSpaceMatrix(), Chroma::LinAlg::Vectors< T >::vec, x, z, and Chroma::zero.

◆ new_InvEigCG2_T()

template<typename T >
SystemSolverResults_t Chroma::InvEigCG2Env::new_InvEigCG2_T ( const LinearOperator< T > &  A,
T &  x,
const T &  b,
multi1d< Double > &  eval,
multi1d< T > &  evec,
int  Neig,
int  Nmax,
const Real &  RsdCG,
int  MaxCG,
const int  PrintLevel 
)

preconditioning algorithm

Definition at line 98 of file inv_eigcg2.cc.

References Chroma::A(), Chroma::StagPhases::alpha(), Chroma::b, Chroma::StagPhases::beta(), Chroma::BaryonSpinMats::C(), Chroma::END_CODE(), Chroma::i, Chroma::InlinePropAndMatElemDistillation2Env::local::innerProduct(), j, Chroma::k, Chroma::LinAlg::Matrix< T >::mat, Chroma::MaxCG, Chroma::LinAlg::Vectors< T >::N, Chroma::LinAlg::Matrix< T >::N, Chroma::SystemSolverResults_t::n_count, Chroma::LinAlg::Vectors< T >::NormalizeAndAddVector(), Chroma::p, Chroma::PLUS, Chroma::QDP_error_exit(), Chroma::r, Chroma::SystemSolverResults_t::resid, Chroma::rsd_sq, Chroma::RsdCG, Chroma::START_CODE(), SubSpaceMatrix(), Octave::tag(), Chroma::tmp, Chroma::LinAlg::Vectors< T >::vec, x, and Chroma::zero.

◆ SubSpaceMatrix() [1/4]

void Chroma::InvEigCG2Env::SubSpaceMatrix ( LinAlg::Matrix< DComplex > &  H,
const LinearOperator< LatticeFermionD > &  A,
const multi1d< LatticeFermionD > &  evec,
const multi1d< Double > &  eval,
int  Nvecs,
int  NgoodEvecs 
)

Definition at line 1227 of file inv_eigcg2.cc.

References Chroma::A().

Referenced by InvEigCG2_T(), and new_InvEigCG2_T().

◆ SubSpaceMatrix() [2/4]

void Chroma::InvEigCG2Env::SubSpaceMatrix ( LinAlg::Matrix< DComplex > &  H,
const LinearOperator< LatticeFermionD > &  A,
const multi1d< LatticeFermionD > &  evec,
int  Nvecs 
)

Definition at line 1219 of file inv_eigcg2.cc.

References Chroma::A().

◆ SubSpaceMatrix() [3/4]

void Chroma::InvEigCG2Env::SubSpaceMatrix ( LinAlg::Matrix< DComplex > &  H,
const LinearOperator< LatticeFermionF > &  A,
const multi1d< LatticeFermionF > &  evec,
const multi1d< Double > &  eval,
int  Nvecs,
int  NgoodEvecs 
)

Definition at line 1164 of file inv_eigcg2.cc.

References Chroma::A().

◆ SubSpaceMatrix() [4/4]

void Chroma::InvEigCG2Env::SubSpaceMatrix ( LinAlg::Matrix< DComplex > &  H,
const LinearOperator< LatticeFermionF > &  A,
const multi1d< LatticeFermionF > &  evec,
int  Nvecs 
)

Definition at line 1156 of file inv_eigcg2.cc.

References Chroma::A().

◆ SubSpaceMatrix_T() [1/2]

template<typename T >
void Chroma::InvEigCG2Env::SubSpaceMatrix_T ( LinAlg::Matrix< DComplex > &  H,
const LinearOperator< T > &  A,
const multi1d< T > &  evec,
const multi1d< Double > &  eval,
int  Nvecs,
int  NgoodEvecs 
)

Definition at line 62 of file inv_eigcg2.cc.

References Chroma::A(), Chroma::i, Chroma::InlinePropAndMatElemDistillation2Env::local::innerProduct(), j, Chroma::LinAlg::Matrix< T >::mat, Chroma::LinAlg::Matrix< T >::N, Chroma::PLUS, and Chroma::LinAlg::Matrix< T >::size().

◆ SubSpaceMatrix_T() [2/2]

template<typename T >
void Chroma::InvEigCG2Env::SubSpaceMatrix_T ( LinAlg::Matrix< DComplex > &  H,
const LinearOperator< T > &  A,
const multi1d< T > &  evec,
int  Nvecs 
)

Definition at line 31 of file inv_eigcg2.cc.

References Chroma::A(), Chroma::i, Chroma::InlinePropAndMatElemDistillation2Env::local::innerProduct(), j, Chroma::LinAlg::Matrix< T >::mat, Chroma::LinAlg::Matrix< T >::N, Chroma::PLUS, and Chroma::LinAlg::Matrix< T >::size().

◆ vecPrecondCG() [1/2]

SystemSolverResults_t Chroma::InvEigCG2Env::vecPrecondCG ( const LinearOperator< LatticeFermionD > &  A,
LatticeFermionD &  x,
const LatticeFermionD &  b,
const multi1d< Double > &  eval,
const multi1d< LatticeFermionD > &  evec,
int  startV,
int  endV,
const Real &  RsdCG,
int  MaxCG 
)

Definition at line 1249 of file inv_eigcg2.cc.

References Chroma::A(), Chroma::b, Chroma::MaxCG, Chroma::RsdCG, and x.

◆ vecPrecondCG() [2/2]

SystemSolverResults_t Chroma::InvEigCG2Env::vecPrecondCG ( const LinearOperator< LatticeFermionF > &  A,
LatticeFermionF &  x,
const LatticeFermionF &  b,
const multi1d< Double > &  eval,
const multi1d< LatticeFermionF > &  evec,
int  startV,
int  endV,
const Real &  RsdCG,
int  MaxCG 
)

Definition at line 1185 of file inv_eigcg2.cc.

References Chroma::A(), Chroma::b, Chroma::MaxCG, Chroma::RsdCG, and x.

◆ vecPrecondCG_T()

template<typename T >
SystemSolverResults_t Chroma::InvEigCG2Env::vecPrecondCG_T ( const LinearOperator< T > &  A,
T &  x,
const T &  b,
const multi1d< Double > &  eval,
const multi1d< T > &  evec,
int  startV,
int  endV,
const Real &  RsdCG,
int  MaxCG 
)

preconditioning algorithm

Definition at line 1010 of file inv_eigcg2.cc.

References Chroma::A(), Chroma::StagPhases::alpha(), Chroma::b, Chroma::StagPhases::beta(), Chroma::d, Chroma::END_CODE(), Chroma::i, Chroma::InlinePropAndMatElemDistillation2Env::local::innerProduct(), Chroma::k, Chroma::MaxCG, Chroma::SystemSolverResults_t::n_count, Chroma::p, Chroma::PLUS, Chroma::QDP_error_exit(), Chroma::r, Chroma::SystemSolverResults_t::resid, Chroma::rsd_sq, Chroma::RsdCG, Chroma::START_CODE(), x, and z.

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