QUDA  v0.7.0
A library for QCD on GPUs
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Public Member Functions | Protected Attributes | List of all members
quda::MinResExt Class Reference

#include <invert_quda.h>

Public Member Functions

 MinResExt (DiracMatrix &mat, TimeProfile &profile)
 
virtual ~MinResExt ()
 
void operator() (cudaColorSpinorField &x, cudaColorSpinorField &b, cudaColorSpinorField **p, cudaColorSpinorField **q, int N)
 

Protected Attributes

const DiracMatrixmat
 
TimeProfileprofile
 

Detailed Description

This computes the optimum guess for the system Ax=b in the L2 residual norm. For use in the HMD force calculations using a minimal residual chronological method This computes the guess solution as a linear combination of a given number of previous solutions. Following Brower et al, only the orthogonalised vector basis is stored to conserve memory.

Definition at line 508 of file invert_quda.h.

Constructor & Destructor Documentation

quda::MinResExt::MinResExt ( DiracMatrix mat,
TimeProfile profile 
)

Definition at line 6 of file inv_mre.cpp.

quda::MinResExt::~MinResExt ( )
virtual

Definition at line 11 of file inv_mre.cpp.

Member Function Documentation

void quda::MinResExt::operator() ( cudaColorSpinorField x,
cudaColorSpinorField b,
cudaColorSpinorField **  p,
cudaColorSpinorField **  q,
int  N 
)

param x The optimum for the solution vector. param b The source vector in the equation to be solved. This is not preserved. param p The basis vectors in which we are building the guess param q The basis vectors multipled by A param N The number of basis vectors return The residue of this guess.

Definition at line 15 of file inv_mre.cpp.

Member Data Documentation

const DiracMatrix& quda::MinResExt::mat
protected

Definition at line 511 of file invert_quda.h.

TimeProfile& quda::MinResExt::profile
protected

Definition at line 512 of file invert_quda.h.


The documentation for this class was generated from the following files: