// FIXME: create kernel to eliminate tmp
void DiracClover::M(cudaColorSpinorField &out, const cudaColorSpinorField &in) const
{
checkFullSpinor(out, in);
cudaColorSpinorField *tmp=0; // this hack allows for tmp2 to be full or parity field
if (tmp2) {
if (tmp2->SiteSubset() == QUDA_FULL_SITE_SUBSET) tmp = &(tmp2->Even());
else tmp = tmp2;
}
bool reset = newTmp(&tmp, in.Even());
Clover(*tmp, in.Odd(), QUDA_ODD_PARITY);
DslashXpay(out.Odd(), in.Even(), QUDA_ODD_PARITY, *tmp, -kappa);
Clover(*tmp, in.Even(), QUDA_EVEN_PARITY);
DslashXpay(out.Even(), in.Odd(), QUDA_EVEN_PARITY, *tmp, -kappa);
deleteTmp(&tmp, reset);
}
void DiracWilsonPC::M(cudaColorSpinorField &out, const cudaColorSpinorField &in) const
{
double kappa2 = -kappa*kappa;
bool reset = newTmp(&tmp1, in);
if (matpcType == QUDA_MATPC_EVEN_EVEN) {
Dslash(*tmp1, in, QUDA_ODD_PARITY);
DslashXpay(out, *tmp1, QUDA_EVEN_PARITY, in, kappa2);
} else if (matpcType == QUDA_MATPC_ODD_ODD) {
Dslash(*tmp1, in, QUDA_EVEN_PARITY);
DslashXpay(out, *tmp1, QUDA_ODD_PARITY, in, kappa2);
} else {
errorQuda("MatPCType %d not valid for DiracWilsonPC", matpcType);
}
deleteTmp(&tmp1, reset);
}
// Apply the even-odd preconditioned clover-improved Dirac operator
void DiracDomainWallPC::M(ColorSpinorField &out, const ColorSpinorField &in) const
{
if ( in.Ndim() != 5 || out.Ndim() != 5) errorQuda("Wrong number of dimensions\n");
double kappa2 = -kappa5*kappa5;
bool reset = newTmp(&tmp1, in);
if (matpcType == QUDA_MATPC_EVEN_EVEN) {
Dslash(*tmp1, in, QUDA_ODD_PARITY);
DslashXpay(out, *tmp1, QUDA_EVEN_PARITY, in, kappa2);
} else if (matpcType == QUDA_MATPC_ODD_ODD) {
Dslash(*tmp1, in, QUDA_EVEN_PARITY);
DslashXpay(out, *tmp1, QUDA_ODD_PARITY, in, kappa2);
} else {
errorQuda("MatPCType %d not valid for DiracDomainWallPC", matpcType);
}
deleteTmp(&tmp1, reset);
}
void DiracStaggeredPC::MdagM(ColorSpinorField &out, const ColorSpinorField &in) const
{
bool reset = newTmp(&tmp1, in);
QudaParity parity = QUDA_INVALID_PARITY;
QudaParity other_parity = QUDA_INVALID_PARITY;
if (matpcType == QUDA_MATPC_EVEN_EVEN) {
parity = QUDA_EVEN_PARITY;
other_parity = QUDA_ODD_PARITY;
} else if (matpcType == QUDA_MATPC_ODD_ODD) {
parity = QUDA_ODD_PARITY;
other_parity = QUDA_EVEN_PARITY;
} else {
errorQuda("Invalid matpcType(%d) in function\n", matpcType);
}
Dslash(*tmp1, in, other_parity);
DslashXpay(out, *tmp1, parity, in, 4*mass*mass);
deleteTmp(&tmp1, reset);
}
void DiracStaggered::MdagM(cudaColorSpinorField &out, const cudaColorSpinorField &in) const
{
bool reset = newTmp(&tmp1, in);
cudaColorSpinorField* mytmp = dynamic_cast<cudaColorSpinorField*>(&(tmp1->Even()));
cudaColorSpinorField* ineven = dynamic_cast<cudaColorSpinorField*>(&(in.Even()));
cudaColorSpinorField* inodd = dynamic_cast<cudaColorSpinorField*>(&(in.Odd()));
cudaColorSpinorField* outeven = dynamic_cast<cudaColorSpinorField*>(&(out.Even()));
cudaColorSpinorField* outodd = dynamic_cast<cudaColorSpinorField*>(&(out.Odd()));
//even
Dslash(*mytmp, *ineven, QUDA_ODD_PARITY);
DslashXpay(*outeven, *mytmp, QUDA_EVEN_PARITY, *ineven, 4*mass*mass);
//odd
Dslash(*mytmp, *inodd, QUDA_EVEN_PARITY);
DslashXpay(*outodd, *mytmp, QUDA_ODD_PARITY, *inodd, 4*mass*mass);
deleteTmp(&tmp1, reset);
}
// Apply the even-odd preconditioned clover-improved Dirac operator
void DiracCloverPC::M(cudaColorSpinorField &out, const cudaColorSpinorField &in) const
{
double kappa2 = -kappa*kappa;
// FIXME: For asymmetric, a "DslashCxpay" kernel would improve performance.
bool reset = newTmp(&tmp1, in);
if (matpcType == QUDA_MATPC_EVEN_EVEN_ASYMMETRIC) {
Dslash(*tmp1, in, QUDA_ODD_PARITY);
Clover(out, in, QUDA_EVEN_PARITY);
DiracWilson::DslashXpay(out, *tmp1, QUDA_EVEN_PARITY, out, kappa2); // safe since out is not read after writing
} else if (matpcType == QUDA_MATPC_ODD_ODD_ASYMMETRIC) {
Dslash(*tmp1, in, QUDA_EVEN_PARITY);
Clover(out, in, QUDA_ODD_PARITY);
DiracWilson::DslashXpay(out, *tmp1, QUDA_ODD_PARITY, out, kappa2);
} else if (!dagger) { // symmetric preconditioning
if (matpcType == QUDA_MATPC_EVEN_EVEN) {
Dslash(*tmp1, in, QUDA_ODD_PARITY);
DslashXpay(out, *tmp1, QUDA_EVEN_PARITY, in, kappa2);
} else if (matpcType == QUDA_MATPC_ODD_ODD) {
Dslash(*tmp1, in, QUDA_EVEN_PARITY);
DslashXpay(out, *tmp1, QUDA_ODD_PARITY, in, kappa2);
} else {
errorQuda("Invalid matpcType");
}
} else { // symmetric preconditioning, dagger
if (matpcType == QUDA_MATPC_EVEN_EVEN) {
CloverInv(out, in, QUDA_EVEN_PARITY);
Dslash(*tmp1, out, QUDA_ODD_PARITY);
DiracWilson::DslashXpay(out, *tmp1, QUDA_EVEN_PARITY, in, kappa2);
} else if (matpcType == QUDA_MATPC_ODD_ODD) {
CloverInv(out, in, QUDA_ODD_PARITY);
Dslash(*tmp1, out, QUDA_EVEN_PARITY);
DiracWilson::DslashXpay(out, *tmp1, QUDA_ODD_PARITY, in, kappa2);
} else {
errorQuda("MatPCType %d not valid for DiracCloverPC", matpcType);
}
}
deleteTmp(&tmp1, reset);
}
// Apply the even-odd preconditioned clover-improved Dirac operator
void DiracCloverPC::M(cudaColorSpinorField &out, const cudaColorSpinorField &in) const
{
double kappa2 = -kappa*kappa;
bool reset1 = newTmp(&tmp1, in);
if (matpcType == QUDA_MATPC_EVEN_EVEN_ASYMMETRIC) {
// DiracCloverPC::Dslash applies A^{-1}Dslash
Dslash(*tmp1, in, QUDA_ODD_PARITY);
// DiracClover::DslashXpay applies (A - kappa^2 D)
DiracClover::DslashXpay(out, *tmp1, QUDA_EVEN_PARITY, in, kappa2);
} else if (matpcType == QUDA_MATPC_ODD_ODD_ASYMMETRIC) {
// DiracCloverPC::Dslash applies A^{-1}Dslash
Dslash(*tmp1, in, QUDA_EVEN_PARITY);
// DiracClover::DslashXpay applies (A - kappa^2 D)
DiracClover::DslashXpay(out, *tmp1, QUDA_ODD_PARITY, in, kappa2);
} else if (!dagger) { // symmetric preconditioning
if (matpcType == QUDA_MATPC_EVEN_EVEN) {
Dslash(*tmp1, in, QUDA_ODD_PARITY);
DslashXpay(out, *tmp1, QUDA_EVEN_PARITY, in, kappa2);
} else if (matpcType == QUDA_MATPC_ODD_ODD) {
Dslash(*tmp1, in, QUDA_EVEN_PARITY);
DslashXpay(out, *tmp1, QUDA_ODD_PARITY, in, kappa2);
} else {
errorQuda("Invalid matpcType");
}
} else { // symmetric preconditioning, dagger
if (matpcType == QUDA_MATPC_EVEN_EVEN) {
CloverInv(out, in, QUDA_EVEN_PARITY);
Dslash(*tmp1, out, QUDA_ODD_PARITY);
DiracWilson::DslashXpay(out, *tmp1, QUDA_EVEN_PARITY, in, kappa2);
} else if (matpcType == QUDA_MATPC_ODD_ODD) {
CloverInv(out, in, QUDA_ODD_PARITY);
Dslash(*tmp1, out, QUDA_EVEN_PARITY);
DiracWilson::DslashXpay(out, *tmp1, QUDA_ODD_PARITY, in, kappa2);
} else {
errorQuda("MatPCType %d not valid for DiracCloverPC", matpcType);
}
}
deleteTmp(&tmp1, reset1);
}