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quda::DiracCoarsePC Class Reference

#include <dirac_quda.h>

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Public Member Functions

 DiracCoarsePC (const DiracParam &param, bool gpu_setup=true)
 
 DiracCoarsePC (const DiracCoarse &dirac, const DiracParam &param)
 
virtual ~DiracCoarsePC ()
 
void Dslash (ColorSpinorField &out, const ColorSpinorField &in, const QudaParity parity) const
 Apply DslashXpay out = (D * in) More...
 
void DslashXpay (ColorSpinorField &out, const ColorSpinorField &in, const QudaParity parity, const ColorSpinorField &x, const double &k) const
 Apply DslashXpay out = (D * in + A * x) More...
 
void M (ColorSpinorField &out, const ColorSpinorField &in) const
 Apply the full operator. More...
 
void MdagM (ColorSpinorField &out, const ColorSpinorField &in) const
 
void prepare (ColorSpinorField *&src, ColorSpinorField *&sol, ColorSpinorField &x, ColorSpinorField &b, const QudaSolutionType) const
 
void reconstruct (ColorSpinorField &x, const ColorSpinorField &b, const QudaSolutionType) const
 
void createCoarseOp (GaugeField &Y, GaugeField &X, const Transfer &T, double kappa, double mass, double mu, double mu_factor=0.) const
 Create the coarse even-odd preconditioned coarse operator. Unlike the Wilson operator, the coarsening of the preconditioned coarse operator differs from that of the unpreconditioned coarse operator, so we need to specialize it. More...
 
- Public Member Functions inherited from quda::DiracCoarse
double Mu () const
 
double MuFactor () const
 
 DiracCoarse (const DiracParam &param, bool gpu_setup=true, bool mapped=false)
 
 DiracCoarse (const DiracParam &param, cpuGaugeField *Y_h, cpuGaugeField *X_h, cpuGaugeField *Xinv_h, cpuGaugeField *Yhat_h, cudaGaugeField *Y_d=0, cudaGaugeField *X_d=0, cudaGaugeField *Xinv_d=0, cudaGaugeField *Yhat_d=0)
 
 DiracCoarse (const DiracCoarse &dirac, const DiracParam &param)
 
virtual ~DiracCoarse ()
 
void Clover (ColorSpinorField &out, const ColorSpinorField &in, const QudaParity parity) const
 Apply the coarse clover operator. More...
 
void CloverInv (ColorSpinorField &out, const ColorSpinorField &in, const QudaParity parity) const
 Apply the inverse coarse clover operator. More...
 
void createPreconditionedCoarseOp (GaugeField &Yhat, GaugeField &Xinv, const GaugeField &Y, const GaugeField &X)
 Create the precondtioned coarse operator. More...
 
- Public Member Functions inherited from quda::Dirac
 Dirac (const DiracParam &param)
 
 Dirac (const Dirac &dirac)
 
virtual ~Dirac ()
 
Diracoperator= (const Dirac &dirac)
 
void setCommDim (const int commDim_[QUDA_MAX_DIM]) const
 Enable / disable communications for the Dirac operator. More...
 
virtual void checkParitySpinor (const ColorSpinorField &, const ColorSpinorField &) const
 
virtual void checkFullSpinor (const ColorSpinorField &, const ColorSpinorField &) const
 
void checkSpinorAlias (const ColorSpinorField &, const ColorSpinorField &) const
 
void Mdag (ColorSpinorField &out, const ColorSpinorField &in) const
 
void MMdag (ColorSpinorField &out, const ColorSpinorField &in) const
 
void setMass (double mass)
 
double Kappa () const
 
unsigned long long Flops () const
 
QudaMatPCType getMatPCType () const
 
int getStencilSteps () const
 
void Dagger (QudaDagType dag) const
 
void flipDagger () const
 
QudaPrecision HaloPrecision () const
 
void setHaloPrecision (QudaPrecision halo_precision_) const
 
- Public Member Functions inherited from quda::Object
 Object ()
 
virtual ~Object ()
 

Additional Inherited Members

- Static Public Member Functions inherited from quda::Dirac
static Diraccreate (const DiracParam &param)
 
- Static Public Member Functions inherited from quda::Object
static void * operator new (std::size_t size)
 
static void operator delete (void *p)
 
static void * operator new[] (std::size_t size)
 
static void operator delete[] (void *p)
 
- Protected Member Functions inherited from quda::DiracCoarse
void initializeCoarse ()
 Initialize the coarse gauge fields. Location is determined by gpu_setup variable. More...
 
void initializeLazy (QudaFieldLocation location) const
 Create the CPU or GPU coarse gauge fields on demand (requires that the fields have been created in the other memory space) More...
 
void createY (bool gpu=true, bool mapped=false) const
 Allocate the Y and X fields. More...
 
void createYhat (bool gpu=true) const
 Allocate the Yhat and Xinv fields. More...
 
- Protected Member Functions inherited from quda::Dirac
bool newTmp (ColorSpinorField **, const ColorSpinorField &) const
 
void deleteTmp (ColorSpinorField **, const bool &reset) const
 
- Protected Attributes inherited from quda::DiracCoarse
double mu
 
double mu_factor
 
const Transfertransfer
 
const Diracdirac
 
const bool need_bidirectional
 
cpuGaugeFieldY_h
 
cpuGaugeFieldX_h
 
cpuGaugeFieldXinv_h
 
cpuGaugeFieldYhat_h
 
cudaGaugeFieldY_d
 
cudaGaugeFieldX_d
 
cudaGaugeFieldXinv_d
 
cudaGaugeFieldYhat_d
 
bool enable_gpu
 
bool enable_cpu
 
const bool gpu_setup
 
bool init_gpu
 
bool init_cpu
 
const bool mapped
 
- Protected Attributes inherited from quda::Dirac
cudaGaugeFieldgauge
 
double kappa
 
double mass
 
int laplace3D
 
QudaMatPCType matpcType
 
QudaDagType dagger
 
unsigned long long flops
 
ColorSpinorFieldtmp1
 
ColorSpinorFieldtmp2
 
QudaDiracType type
 
QudaPrecision halo_precision
 
int commDim [QUDA_MAX_DIM]
 
TimeProfile profile
 

Detailed Description

Even-odd preconditioned variant of coarse Dslash operator

Definition at line 972 of file dirac_quda.h.

Constructor & Destructor Documentation

◆ DiracCoarsePC() [1/2]

quda::DiracCoarsePC::DiracCoarsePC ( const DiracParam param,
bool  gpu_setup = true 
)
Parameters
[in]paramParameters defining this operator
[in]gpu_setupWhether to do the setup on GPU or CPU

Definition at line 356 of file dirac_coarse.cpp.

◆ DiracCoarsePC() [2/2]

quda::DiracCoarsePC::DiracCoarsePC ( const DiracCoarse dirac,
const DiracParam param 
)
Parameters
[in]diracAnother operator instance to clone from (shallow copy)
[in]paramParameters defining this operator

Definition at line 361 of file dirac_coarse.cpp.

◆ ~DiracCoarsePC()

quda::DiracCoarsePC::~DiracCoarsePC ( )
virtual

Definition at line 366 of file dirac_coarse.cpp.

Member Function Documentation

◆ createCoarseOp()

void quda::DiracCoarsePC::createCoarseOp ( GaugeField Y,
GaugeField X,
const Transfer T,
double  kappa,
double  mass,
double  mu,
double  mu_factor = 0. 
) const
virtual

Create the coarse even-odd preconditioned coarse operator. Unlike the Wilson operator, the coarsening of the preconditioned coarse operator differs from that of the unpreconditioned coarse operator, so we need to specialize it.

Parameters
T[in]Transfer operator defining the coarse grid
Y[out]Coarse link field
X[out]Coarse clover field
kappaKappa parameter for the coarse operator
massMass parameter for the coarse operator, assumed to be zero
muTM mu parameter for the coarse operator
mu_factormultiplicative factor for the mu parameter

Reimplemented from quda::DiracCoarse.

Definition at line 524 of file dirac_coarse.cpp.

References checkLocation, quda::CoarseCoarseOp(), quda::DiracCoarse::initializeLazy(), quda::Dirac::matpcType, QUDA_COARSEPC_DIRAC, QUDA_CPU_FIELD_LOCATION, QUDA_CUDA_FIELD_LOCATION, quda::ColorSpinorField::TwistFlavor(), quda::Transfer::Vectors(), quda::DiracCoarse::X_d, quda::DiracCoarse::X_h, quda::DiracCoarse::Xinv_d, quda::DiracCoarse::Xinv_h, quda::DiracCoarse::Yhat_d, and quda::DiracCoarse::Yhat_h.

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◆ Dslash()

void quda::DiracCoarsePC::Dslash ( ColorSpinorField out,
const ColorSpinorField in,
const QudaParity  parity 
) const
virtual

◆ DslashXpay()

void quda::DiracCoarsePC::DslashXpay ( ColorSpinorField out,
const ColorSpinorField in,
const QudaParity  parity,
const ColorSpinorField x,
const double &  k 
) const
virtual

Apply DslashXpay out = (D * in + A * x)

Parameters
[out]outOutput field
[in]inInput field

Reimplemented from quda::DiracCoarse.

Definition at line 382 of file dirac_coarse.cpp.

References Dslash(), quda::Dirac::flops, quda::ColorSpinorField::Ncolor(), quda::ColorSpinorField::Nspin(), quda::ColorSpinorField::VolumeCB(), and quda::blas::xpay().

Referenced by M().

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◆ M()

void quda::DiracCoarsePC::M ( ColorSpinorField out,
const ColorSpinorField in 
) const
virtual

Apply the full operator.

Parameters
[out]outoutput vector, out = M * in
[in]ininput vector

Reimplemented from quda::DiracCoarse.

Definition at line 393 of file dirac_coarse.cpp.

References quda::DiracCoarse::Clover(), quda::Dirac::deleteTmp(), quda::DiracCoarse::Dslash(), Dslash(), DslashXpay(), errorQuda, quda::Dirac::matpcType, quda::Dirac::newTmp(), QUDA_EVEN_PARITY, QUDA_FULL_SITE_SUBSET, QUDA_MATPC_EVEN_EVEN, QUDA_MATPC_EVEN_EVEN_ASYMMETRIC, QUDA_MATPC_ODD_ODD, QUDA_MATPC_ODD_ODD_ASYMMETRIC, QUDA_ODD_PARITY, quda::ColorSpinorField::SiteSubset(), quda::Dirac::tmp1, and quda::blas::xpay().

Referenced by MdagM().

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◆ MdagM()

void quda::DiracCoarsePC::MdagM ( ColorSpinorField out,
const ColorSpinorField in 
) const
virtual

Reimplemented from quda::DiracCoarse.

Definition at line 429 of file dirac_coarse.cpp.

References quda::Dirac::deleteTmp(), M(), quda::Dirac::Mdag(), quda::Dirac::newTmp(), and quda::Dirac::tmp2.

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◆ prepare()

void quda::DiracCoarsePC::prepare ( ColorSpinorField *&  src,
ColorSpinorField *&  sol,
ColorSpinorField x,
ColorSpinorField b,
const QudaSolutionType  solType 
) const
virtual

◆ reconstruct()

void quda::DiracCoarsePC::reconstruct ( ColorSpinorField x,
const ColorSpinorField b,
const QudaSolutionType  solType 
) const
virtual

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