quda.h File Reference

Main header file for the QUDA library. More...

#include <enum_quda.h>
#include <stdio.h>
#include <quda_define.h>
#include <quda_constants.h>

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Classes
struct	QudaGaugeParam_s
struct	QudaInvertParam_s
struct	QudaEigParam_s
struct	QudaMultigridParam_s

Macros
#define	double_complex   double _Complex

Typedefs
typedef struct QudaGaugeParam_s	QudaGaugeParam
typedef struct QudaInvertParam_s	QudaInvertParam
typedef struct QudaEigParam_s	QudaEigParam
typedef struct QudaMultigridParam_s	QudaMultigridParam
typedef int(*	QudaCommsMap) (const int *coords, void *fdata)

Functions
void	setVerbosityQuda (QudaVerbosity verbosity, const char prefix[], FILE *outfile)
void	qudaSetCommHandle (void *mycomm)
void	initCommsGridQuda (int nDim, const int *dims, QudaCommsMap func, void *fdata)
void	initQudaDevice (int device)
void	initQudaMemory ()
void	initQuda (int device)
void	endQuda (void)
void	updateR ()
	update the radius for halos. More...
QudaGaugeParam	newQudaGaugeParam (void)
QudaInvertParam	newQudaInvertParam (void)
QudaMultigridParam	newQudaMultigridParam (void)
QudaEigParam	newQudaEigParam (void)
void	printQudaGaugeParam (QudaGaugeParam *param)
void	printQudaInvertParam (QudaInvertParam *param)
void	printQudaMultigridParam (QudaMultigridParam *param)
void	printQudaEigParam (QudaEigParam *param)
void	loadGaugeQuda (void *h_gauge, QudaGaugeParam *param)
void	freeGaugeQuda (void)
void	saveGaugeQuda (void *h_gauge, QudaGaugeParam *param)
void	loadCloverQuda (void *h_clover, void *h_clovinv, QudaInvertParam *inv_param)
void	freeCloverQuda (void)
void	lanczosQuda (int k0, int m, void *hp_Apsi, void *hp_r, void *hp_V, void *hp_alpha, void *hp_beta, QudaEigParam *eig_param)
void	eigensolveQuda (void **h_evecs, double_complex *h_evals, QudaEigParam *param)
void	invertQuda (void *h_x, void *h_b, QudaInvertParam *param)
void	invertMultiSrcQuda (void **_hp_x, void **_hp_b, QudaInvertParam *param)
void	invertMultiShiftQuda (void **_hp_x, void *_hp_b, QudaInvertParam *param)
void *	newMultigridQuda (QudaMultigridParam *param)
void	destroyMultigridQuda (void *mg_instance)
	Free resources allocated by the multigrid solver. More...
void	updateMultigridQuda (void *mg_instance, QudaMultigridParam *param)
	Updates the multigrid preconditioner for the new gauge / clover field. More...
void	dumpMultigridQuda (void *mg_instance, QudaMultigridParam *param)
	Dump the null-space vectors to disk. More...
void	dslashQuda (void *h_out, void *h_in, QudaInvertParam *inv_param, QudaParity parity)
void	dslashQuda_4dpc (void *h_out, void *h_in, QudaInvertParam *inv_param, QudaParity parity, int test_type)
void	dslashQuda_mdwf (void *h_out, void *h_in, QudaInvertParam *inv_param, QudaParity parity, int test_type)
void	cloverQuda (void *h_out, void *h_in, QudaInvertParam *inv_param, QudaParity *parity, int inverse)
void	MatQuda (void *h_out, void *h_in, QudaInvertParam *inv_param)
void	MatDagMatQuda (void *h_out, void *h_in, QudaInvertParam *inv_param)
void	set_dim (int *)
void	pack_ghost (void **cpuLink, void **cpuGhost, int nFace, QudaPrecision precision)
void	computeKSLinkQuda (void *fatlink, void *longlink, void *ulink, void *inlink, double *path_coeff, QudaGaugeParam *param)
int	computeGaugeForceQuda (void *mom, void *sitelink, int ***input_path_buf, int *path_length, double *loop_coeff, int num_paths, int max_length, double dt, QudaGaugeParam *qudaGaugeParam)
void	updateGaugeFieldQuda (void *gauge, void *momentum, double dt, int conj_mom, int exact, QudaGaugeParam *param)
void	staggeredPhaseQuda (void *gauge_h, QudaGaugeParam *param)
void	projectSU3Quda (void *gauge_h, double tol, QudaGaugeParam *param)
double	momActionQuda (void *momentum, QudaGaugeParam *param)
void *	createGaugeFieldQuda (void *gauge, int geometry, QudaGaugeParam *param)
void	saveGaugeFieldQuda (void *outGauge, void *inGauge, QudaGaugeParam *param)
void	destroyGaugeFieldQuda (void *gauge)
void	createCloverQuda (QudaInvertParam *param)
void	computeCloverForceQuda (void *mom, double dt, void **x, void **p, double *coeff, double kappa2, double ck, int nvector, double multiplicity, void *gauge, QudaGaugeParam *gauge_param, QudaInvertParam *inv_param)
void	computeStaggeredForceQuda (void *mom, double dt, double delta, void **x, void *gauge, QudaGaugeParam *gauge_param, QudaInvertParam *invert_param)
void	computeHISQForceQuda (void *momentum, double dt, const double level2_coeff[6], const double fat7_coeff[6], const void *const w_link, const void *const v_link, const void *const u_link, void **quark, int num, int num_naik, double **coeff, QudaGaugeParam *param)
void	gaussGaugeQuda (unsigned long long seed, double sigma)
	Generate Gaussian distributed fields and store in the resident gauge field. We create a Gaussian-distributed su(n) field and exponentiate it, e.g., U = exp(sigma * H), where H is the distributed su(n) field and beta is the width of the distribution (beta = 0 results in a free field, and sigma = 1 has maximum disorder). More...
void	plaqQuda (double plaq[3])
void	copyExtendedResidentGaugeQuda (void *resident_gauge, QudaFieldLocation loc)
void	performWuppertalnStep (void *h_out, void *h_in, QudaInvertParam *param, unsigned int nSteps, double alpha)
void	performAPEnStep (unsigned int nSteps, double alpha)
void	performSTOUTnStep (unsigned int nSteps, double rho)
void	performOvrImpSTOUTnStep (unsigned int nSteps, double rho, double epsilon)
double	qChargeQuda ()
void	contractQuda (const void *x, const void *y, void *result, const QudaContractType cType, QudaInvertParam *param, const int *X)
double	qChargeDensityQuda (void *qDensity)
	Calculates the topological charge from gaugeSmeared, if it exist, or from gaugePrecise if no smeared fields are present. More...
int	computeGaugeFixingOVRQuda (void *gauge, const unsigned int gauge_dir, const unsigned int Nsteps, const unsigned int verbose_interval, const double relax_boost, const double tolerance, const unsigned int reunit_interval, const unsigned int stopWtheta, QudaGaugeParam *param, double *timeinfo)
	Gauge fixing with overrelaxation with support for single and multi GPU. More...
int	computeGaugeFixingFFTQuda (void *gauge, const unsigned int gauge_dir, const unsigned int Nsteps, const unsigned int verbose_interval, const double alpha, const unsigned int autotune, const double tolerance, const unsigned int stopWtheta, QudaGaugeParam *param, double *timeinfo)
	Gauge fixing with Steepest descent method with FFTs with support for single GPU only. More...
void	flushChronoQuda (int index)
	Flush the chronological history for the given index. More...
void	openMagma ()
void	closeMagma ()
void *	newDeflationQuda (QudaEigParam *param)
void	destroyDeflationQuda (void *df_instance)
void	setMPICommHandleQuda (void *mycomm)

Detailed Description

Main header file for the QUDA library.

Note to QUDA developers: When adding new members to QudaGaugeParam and QudaInvertParam, be sure to update lib/check_params.h as well as the Fortran interface in lib/quda_fortran.F90.

Definition in file quda.h.

Macro Definition Documentation

double_complex

#define double_complex   double _Complex

Definition at line 19 of file quda.h.

Typedef Documentation

QudaCommsMap

typedef int(* QudaCommsMap) (const int *coords, void *fdata)

initCommsGridQuda() takes an optional "rank_from_coords" argument that should be a pointer to a user-defined function with this prototype.

Parameters

coords	Node coordinates
fdata	Any auxiliary data needed by the function

Returns

MPI rank or QMP node ID cooresponding to the node coordinates

See also

initCommsGridQuda

Definition at line 696 of file quda.h.

QudaEigParam

typedef struct QudaEigParam_s QudaEigParam

QudaGaugeParam

typedef struct QudaGaugeParam_s QudaGaugeParam

Parameters having to do with the gauge field or the interpretation of the gauge field by various Dirac operators

QudaInvertParam

typedef struct QudaInvertParam_s QudaInvertParam

Parameters relating to the solver and the choice of Dirac operator.

QudaMultigridParam

typedef struct QudaMultigridParam_s QudaMultigridParam

Function Documentation

closeMagma()

void closeMagma

(

)

Definition at line 106 of file interface_quda.cpp.

References CloseMagma(), InitMagma, and printfQuda.

Referenced by destroyDeflationQuda().

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cloverQuda()

void cloverQuda	(	void *	h_out,
		void *	h_in,
		QudaInvertParam *	inv_param,
		QudaParity *	parity,
		int	inverse
	)

Apply the clover operator or its inverse.

Parameters

h_out	Result spinor field
h_in	Input spinor field
param	Contains all metadata regarding host and device storage
parity	The source and destination parity of the field
inverse	Whether to apply the inverse of the clover term

computeCloverForceQuda()

void computeCloverForceQuda	(	void *	mom,
		double	dt,
		void **	x,
		void **	p,
		double *	coeff,
		double	kappa2,
		double	ck,
		int	nvector,
		double	multiplicity,
		void *	gauge,
		QudaGaugeParam *	gauge_param,
		QudaInvertParam *	inv_param
	)

Compute the clover force contributions in each dimension mu given the array of solution fields, and compute the resulting momentum field.

Parameters

mom	Force matrix
dt	Integrating step size
x	Array of solution vectors
p	Array of intermediate vectors
coeff	Array of residues for each contribution (multiplied by stepsize)
kappa2	-kappa*kappa parameter
ck	-clover_coefficient * kappa / 8
nvec	Number of vectors
multiplicity	Number fermions this bilinear reresents
gauge	Gauge Field
gauge_param	Gauge field meta data
inv_param	Dirac and solver meta data

Definition at line 4684 of file interface_quda.cpp.

References checkCudaError, quda::cloverDerivative(), quda::computeCloverForce(), quda::computeCloverSigmaOprod(), quda::computeCloverSigmaTrace(), quda::copy(), cpuMom, quda::GaugeFieldParam::create, quda::ColorSpinorParam::create, quda::Dirac::create(), quda::ColorSpinorField::Create(), createExtendedGauge(), cudaForce, cudaMom, quda::Dirac::Dagger(), dirac, quda::Dirac::Dslash(), errorQuda, quda::ColorSpinorField::Even(), extendedGaugeResident, quda::ColorSpinorParam::fieldOrder, quda::gamma5(), quda::ColorSpinorParam::gammaBasis, QudaGaugeParam_s::gauge_order, quda::GaugeFieldParam::geometry, quda::GaugeFieldParam::link_type, quda::ColorSpinorParam::location, quda::Dirac::M(), quda::ColorSpinorParam::nColor, quda::LatticeFieldParam::nDim, quda::ColorSpinorParam::nSpin, quda::ColorSpinorField::Odd(), quda::GaugeFieldParam::order, quda::LatticeFieldParam::pad, param, quda::LatticeFieldParam::Precision(), profileCloverForce, QUDA_ASQTAD_MOM_LINKS, QUDA_CUDA_FIELD_LOCATION, QUDA_DAG_NO, QUDA_DAG_YES, QUDA_DEGRAND_ROSSI_GAMMA_BASIS, QUDA_DIRECT_PC_SOLVE, QUDA_DOUBLE_PRECISION, QUDA_EVEN_ODD_SITE_ORDER, QUDA_EVEN_PARITY, QUDA_FLOAT2_FIELD_ORDER, QUDA_FLOAT2_GAUGE_ORDER, QUDA_FULL_SITE_SUBSET, QUDA_GENERAL_LINKS, QUDA_NORMOP_PC_SOLVE, QUDA_NULL_FIELD_CREATE, QUDA_ODD_PARITY, QUDA_PARITY_SITE_SUBSET, quda::QUDA_PROFILE_COMPUTE, quda::QUDA_PROFILE_D2H, quda::QUDA_PROFILE_FREE, quda::QUDA_PROFILE_H2D, quda::QUDA_PROFILE_INIT, quda::QUDA_PROFILE_TOTAL, QUDA_RECONSTRUCT_10, QUDA_RECONSTRUCT_12, QUDA_RECONSTRUCT_NO, QUDA_REFERENCE_FIELD_CREATE, QUDA_SPACE_SPIN_COLOR_FIELD_ORDER, QUDA_TENSOR_GEOMETRY, QUDA_UKQCD_GAMMA_BASIS, QUDA_ZERO_FIELD_CREATE, R, quda::GaugeFieldParam::reconstruct, quda::cudaGaugeField::saveCPUField(), quda::setDiracParam(), quda::ColorSpinorParam::setPrecision(), quda::ColorSpinorParam::siteOrder, quda::LatticeFieldParam::siteSubset, QudaInvertParam_s::solve_type, tmp, quda::DiracParam::tmp1, quda::updateMomentum(), QudaInvertParam_s::use_resident_solution, quda::ColorSpinorParam::v, and quda::LatticeFieldParam::x.

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computeGaugeFixingFFTQuda()

int computeGaugeFixingFFTQuda	(	void *	gauge,
		const unsigned int	gauge_dir,
		const unsigned int	Nsteps,
		const unsigned int	verbose_interval,
		const double	alpha,
		const unsigned int	autotune,
		const double	tolerance,
		const unsigned int	stopWtheta,
		QudaGaugeParam *	param,
		double *	timeinfo
	)

Gauge fixing with Steepest descent method with FFTs with support for single GPU only.

Parameters

[in,out]	gauge,gauge	field to be fixed
[in]	gauge_dir,3	for Coulomb gauge fixing, other for Landau gauge fixing
[in]	Nsteps,maximum	number of steps to perform gauge fixing
[in]	verbose_interval,print	gauge fixing info when iteration count is a multiple of this
[in]	alpha,gauge	fixing parameter of the method, most common value is 0.08
[in]	autotune,1	to autotune the method, i.e., if the Fg inverts its tendency we decrease the alpha value
[in]	tolerance,torelance	value to stop the method, if this value is zero then the method stops when iteration reachs the maximum number of steps defined by Nsteps
[in]	stopWtheta,0	for MILC criterium and 1 to use the theta value
[in]	param	The parameters of the external fields and the computation settings
[out]	timeinfo

Definition at line 5716 of file interface_quda.cpp.

References checkCudaError, cpuGauge, quda::GaugeFieldParam::create, GaugeFixFFTQuda, quda::gaugefixingFFT(), gaugePrecise, gParam, quda::TimeProfile::Last(), quda::GaugeFieldParam::link_type, QudaGaugeParam_s::make_resident_gauge, quda::GaugeFieldParam::order, quda::LatticeFieldParam::Precision(), QUDA_DOUBLE_PRECISION, QUDA_FLOAT2_GAUGE_ORDER, QUDA_FLOAT4_GAUGE_ORDER, QUDA_NULL_FIELD_CREATE, quda::QUDA_PROFILE_COMPUTE, quda::QUDA_PROFILE_D2H, quda::QUDA_PROFILE_H2D, quda::QUDA_PROFILE_INIT, quda::QUDA_PROFILE_TOTAL, QUDA_RECONSTRUCT_NO, quda::GaugeFieldParam::reconstruct, QudaGaugeParam_s::reconstruct, and QudaGaugeParam_s::type.

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computeGaugeFixingOVRQuda()

int computeGaugeFixingOVRQuda	(	void *	gauge,
		const unsigned int	gauge_dir,
		const unsigned int	Nsteps,
		const unsigned int	verbose_interval,
		const double	relax_boost,
		const double	tolerance,
		const unsigned int	reunit_interval,
		const unsigned int	stopWtheta,
		QudaGaugeParam *	param,
		double *	timeinfo
	)

Gauge fixing with overrelaxation with support for single and multi GPU.

Parameters

[in,out]	gauge,gauge	field to be fixed
[in]	gauge_dir,3	for Coulomb gauge fixing, other for Landau gauge fixing
[in]	Nsteps,maximum	number of steps to perform gauge fixing
[in]	verbose_interval,print	gauge fixing info when iteration count is a multiple of this
[in]	relax_boost,gauge	fixing parameter of the overrelaxation method, most common value is 1.5 or 1.7.
[in]	tolerance,torelance	value to stop the method, if this value is zero then the method stops when iteration reachs the maximum number of steps defined by Nsteps
[in]	reunit_interval,reunitarize	gauge field when iteration count is a multiple of this
[in]	stopWtheta,0	for MILC criterium and 1 to use the theta value
[in]	param	The parameters of the external fields and the computation settings
[out]	timeinfo

if (!param->use_resident_gauge) { // load fields onto the device

Definition at line 5634 of file interface_quda.cpp.

References checkCudaError, comm_size(), quda::copyExtendedGauge(), cpuGauge, quda::GaugeFieldParam::create, createExtendedGauge(), quda::gaugefixingOVR(), GaugeFixOVRQuda, gaugePrecise, gParam, quda::TimeProfile::Last(), quda::GaugeFieldParam::link_type, QudaGaugeParam_s::make_resident_gauge, quda::GaugeFieldParam::order, quda::LatticeFieldParam::Precision(), QUDA_CUDA_FIELD_LOCATION, QUDA_DOUBLE_PRECISION, QUDA_FLOAT2_GAUGE_ORDER, QUDA_FLOAT4_GAUGE_ORDER, QUDA_NULL_FIELD_CREATE, quda::QUDA_PROFILE_COMPUTE, quda::QUDA_PROFILE_D2H, quda::QUDA_PROFILE_H2D, quda::QUDA_PROFILE_INIT, quda::QUDA_PROFILE_TOTAL, QUDA_RECONSTRUCT_NO, R, quda::GaugeFieldParam::reconstruct, QudaGaugeParam_s::reconstruct, and QudaGaugeParam_s::type.

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computeGaugeForceQuda()

int computeGaugeForceQuda	(	void *	mom,
		void *	sitelink,
		int ***	input_path_buf,
		int *	path_length,
		double *	loop_coeff,
		int	num_paths,
		int	max_length,
		double	dt,
		QudaGaugeParam *	qudaGaugeParam
	)

Compute the gauge force and update the mometum field

Parameters

mom	The momentum field to be updated
sitelink	The gauge field from which we compute the force
input_path_buf[dim][num_paths][path_length]
path_length	One less that the number of links in a loop (e.g., 3 for a staple)
loop_coeff	Coefficients of the different loops in the Symanzik action
num_paths	How many contributions from path_length different "staples"
max_length	The maximum number of non-zero of links in any path in the action
dt	The integration step size (for MILC this is dt*beta/3)
param	The parameters of the external fields and the computation settings

Definition at line 4073 of file interface_quda.cpp.

References checkCudaError, cpuMom, quda::GaugeFieldParam::create, quda::GaugeField::Create(), createExtendedGauge(), QudaGaugeParam_s::cuda_prec, cudaGauge, cudaMom, errorQuda, extendedGaugeResident, quda::forceMonitor(), QudaGaugeParam_s::gauge_offset, quda::gaugeForce(), gaugePrecise, gParam, quda::GaugeFieldParam::link_type, quda::cudaGaugeField::loadCPUField(), QudaGaugeParam_s::make_resident_gauge, QudaGaugeParam_s::make_resident_mom, QudaGaugeParam_s::mom_offset, momResident, quda::GaugeFieldParam::order, QudaGaugeParam_s::overwrite_mom, profileGaugeForce, QUDA_ASQTAD_MOM_LINKS, QUDA_DOUBLE_PRECISION, QUDA_FLOAT2_GAUGE_ORDER, QUDA_FLOAT4_GAUGE_ORDER, QUDA_MILC_GAUGE_ORDER, QUDA_NULL_FIELD_CREATE, quda::QUDA_PROFILE_COMPUTE, quda::QUDA_PROFILE_D2H, quda::QUDA_PROFILE_FREE, quda::QUDA_PROFILE_H2D, quda::QUDA_PROFILE_INIT, quda::QUDA_PROFILE_TOTAL, QUDA_QDP_GAUGE_ORDER, QUDA_RECONSTRUCT_10, QUDA_RECONSTRUCT_NO, QUDA_TIFR_GAUGE_ORDER, QUDA_TIFR_PADDED_GAUGE_ORDER, QUDA_ZERO_FIELD_CREATE, R, quda::GaugeFieldParam::reconstruct, QudaGaugeParam_s::reconstruct, QudaGaugeParam_s::return_result_mom, quda::cudaGaugeField::saveCPUField(), quda::GaugeFieldParam::setPrecision(), quda::GaugeFieldParam::site_offset, quda::GaugeFieldParam::site_size, QudaGaugeParam_s::site_size, quda::updateMomentum(), QudaGaugeParam_s::use_resident_gauge, QudaGaugeParam_s::use_resident_mom, and quda::cudaGaugeField::zero().

Referenced by compute_gauge_force_quda_(), and gauge_force_test().

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computeHISQForceQuda()

void computeHISQForceQuda	(	void *	momentum,
		double	dt,
		const double	level2_coeff[6],
		const double	fat7_coeff[6],
		const void *const	w_link,
		const void *const	v_link,
		const void *const	u_link,
		void **	quark,
		int	num,
		int	num_naik,
		double **	coeff,
		QudaGaugeParam *	param
	)

Compute the fermion force for the HISQ quark action and integrate the momentum.

Parameters

momentum	The momentum field we are integrating
dt	The stepsize used to integrate the momentum
level2_coeff	The coefficients for the second level of smearing in the quark action.
fat7_coeff	The coefficients for the first level of smearing (fat7) in the quark action.
w_link	Unitarized link variables obtained by applying fat7 smearing and unitarization to the original links.
v_link	Fat7 link variables.
u_link	SU(3) think link variables.
quark	The input fermion field.
num	The number of quark fields
num_naik	The number of naik contributions
coeff	The coefficient multiplying the fermion fields in the outer product
param.	The field parameters.

Definition at line 4433 of file interface_quda.cpp.

References quda::ax(), quda::GaugeField::Bytes(), comm_dim_partitioned(), quda::computeStaggeredOprod(), quda::cudaGaugeField::copy(), quda::copyExtendedGauge(), QudaGaugeParam_s::cpu_prec, cpuMom, cpuULink, quda::GaugeFieldParam::create, quda::ColorSpinorParam::create, cudaGauge, cudaMom, errorQuda, quda::cudaGaugeField::exchangeExtendedGhost(), quda::ColorSpinorParam::fieldOrder, quda::GaugeFieldParam::gauge, QudaGaugeParam_s::gauge_order, quda::cudaGaugeField::Gauge_p(), quda::LatticeFieldParam::ghostExchange, quda::fermion_force::hisqCompleteForce(), quda::fermion_force::hisqLongLinkForce(), quda::fermion_force::hisqStaplesForce(), quda::GaugeFieldParam::link_type, quda::cudaGaugeField::loadCPUField(), QudaGaugeParam_s::make_resident_mom, momResident, quda::ColorSpinorParam::nColor, quda::LatticeFieldParam::nDim, quda::GaugeFieldParam::nFace, quda::ColorSpinorParam::nSpin, num_failures_d, num_failures_h, quda::GaugeFieldParam::order, quda::LatticeFieldParam::pad, param, quda::LatticeFieldParam::Precision(), profileHISQForce, QUDA_ASQTAD_MOM_LINKS, QUDA_CUDA_FIELD_LOCATION, QUDA_EVEN_ODD_SITE_ORDER, QUDA_FLOAT2_FIELD_ORDER, QUDA_FLOAT2_GAUGE_ORDER, QUDA_FULL_SITE_SUBSET, QUDA_GENERAL_LINKS, QUDA_GHOST_EXCHANGE_EXTENDED, QUDA_GHOST_EXCHANGE_NO, QUDA_MILC_GAUGE_ORDER, QUDA_NULL_FIELD_CREATE, quda::QUDA_PROFILE_COMPUTE, quda::QUDA_PROFILE_FREE, quda::QUDA_PROFILE_H2D, quda::QUDA_PROFILE_INIT, quda::QUDA_PROFILE_TOTAL, QUDA_RECONSTRUCT_10, QUDA_RECONSTRUCT_NO, QUDA_REFERENCE_FIELD_CREATE, QUDA_SPACE_COLOR_SPIN_FIELD_ORDER, QUDA_ZERO_FIELD_CREATE, quda::LatticeFieldParam::r, R, quda::GaugeFieldParam::reconstruct, QudaGaugeParam_s::return_result_mom, quda::cudaGaugeField::saveCPUField(), quda::GaugeFieldParam::setPrecision(), quda::ColorSpinorParam::setPrecision(), quda::fermion_force::setUnitarizeForceConstants(), quda::ColorSpinorParam::siteOrder, quda::LatticeFieldParam::siteSubset, unitarize_eps, quda::fermion_force::unitarizeForce(), quda::updateMomentum(), QudaGaugeParam_s::use_resident_mom, quda::ColorSpinorParam::v, and quda::LatticeFieldParam::x.

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computeKSLinkQuda()

void computeKSLinkQuda	(	void *	fatlink,
		void *	longlink,
		void *	ulink,
		void *	inlink,
		double *	path_coeff,
		QudaGaugeParam *	param
	)

Definition at line 3974 of file interface_quda.cpp.

References cpuFatLink, quda::GaugeFieldParam::create, createExtendedGauge(), QudaGaugeParam_s::cuda_prec, cudaFatLink, errorQuda, quda::fatLongKSLink(), quda::GaugeFieldParam::gauge, quda::LatticeFieldParam::ghostExchange, gParam, quda::GaugeFieldParam::link_type, quda::cudaGaugeField::loadCPUField(), longlink, num_failures_d, num_failures_h, profileFatLink, QUDA_GENERAL_LINKS, QUDA_GHOST_EXCHANGE_NO, QUDA_NULL_FIELD_CREATE, quda::QUDA_PROFILE_COMPUTE, quda::QUDA_PROFILE_D2H, quda::QUDA_PROFILE_FREE, quda::QUDA_PROFILE_H2D, quda::QUDA_PROFILE_INIT, quda::QUDA_PROFILE_TOTAL, QUDA_RECONSTRUCT_NO, QUDA_ZERO_FIELD_CREATE, R, quda::GaugeFieldParam::reconstruct, QudaGaugeParam_s::reconstruct, reunit_allow_svd, reunit_svd_only, quda::cudaGaugeField::saveCPUField(), quda::GaugeFieldParam::setPrecision(), quda::setUnitarizeLinksConstants(), svd_abs_error, svd_rel_error, QudaGaugeParam_s::type, unitarize_eps, and quda::unitarizeLinks().

Referenced by computeHISQLinksGPU(), hisq_test(), llfat_test(), and unitarize_link_test().

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computeStaggeredForceQuda()

void computeStaggeredForceQuda	(	void *	mom,
		double	dt,
		double	delta,
		void **	x,
		void *	gauge,
		QudaGaugeParam *	gauge_param,
		QudaInvertParam *	invert_param
	)

Compute the naive staggered force. All fields must be in the same precision.

Parameters

mom	Momentum field
dt	Integrating step size
delta	Additional scale factor when updating momentum (mom += delta * [force]_TA
gauge	Gauge field (at present only supports resident gauge field)
x	Array of single-parity solution vectors (at present only supports resident solutions)
gauge_param	Gauge field meta data
invert_param	Dirac and solver meta data

contractQuda()

void contractQuda	(	const void *	x,
		const void *	y,
		void *	result,
		const QudaContractType	cType,
		QudaInvertParam *	param,
		const int *	X
	)

Public function to perform color contractions of the host spinors x and y.

Parameters

[in]	x	pointer to host data
[in]	y	pointer to host data
[out]	result	pointer to the 16 spin projections per lattice site
[in]	cType	Which type of contraction (open, degrand-rossi, etc)
[in]	param	meta data for construction of ColorSpinorFields.
[in]	X	spacetime data for construction of ColorSpinorFields.

Definition at line 5790 of file interface_quda.cpp.

References quda::contractQuda(), quda::ColorSpinorParam::create, quda::ColorSpinorField::Create(), quda::ColorSpinorParam::gammaBasis, QudaInvertParam_s::input_location, quda::ColorSpinorParam::location, pool_device_free, pool_device_malloc, quda::LatticeFieldParam::Precision(), profileContract, QUDA_CUDA_FIELD_LOCATION, QUDA_DEGRAND_ROSSI_GAMMA_BASIS, QUDA_NULL_FIELD_CREATE, quda::QUDA_PROFILE_COMPUTE, quda::QUDA_PROFILE_D2H, quda::QUDA_PROFILE_FREE, quda::QUDA_PROFILE_H2D, quda::QUDA_PROFILE_INIT, quda::QUDA_PROFILE_TOTAL, qudaMemcpy, quda::ColorSpinorParam::setPrecision(), and quda::ColorSpinorParam::v.

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copyExtendedResidentGaugeQuda()

void copyExtendedResidentGaugeQuda	(	void *	resident_gauge,
		QudaFieldLocation	loc
	)

Definition at line 5441 of file interface_quda.cpp.

References quda::copyExtendedGauge(), createExtendedGauge(), errorQuda, extendedGaugeResident, profilePlaq, and R.

Referenced by main().

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createCloverQuda()

void createCloverQuda

(

QudaInvertParam *

param

)

Compute the clover field and its inverse from the resident gauge field.

Parameters

param

The parameters of the clover field to create

Definition at line 4198 of file interface_quda.cpp.

References QudaInvertParam_s::clover_coeff, commDimPartitioned(), quda::computeClover(), quda::computeFmunu(), createExtendedGauge(), errorQuda, extendedGaugeResident, quda::LatticeField::Precision(), profileClover, QUDA_CUDA_FIELD_LOCATION, QUDA_FLOAT2_GAUGE_ORDER, QUDA_FULL_SITE_SUBSET, QUDA_GHOST_EXCHANGE_NO, quda::QUDA_PROFILE_COMPUTE, quda::QUDA_PROFILE_INIT, quda::QUDA_PROFILE_TOTAL, QUDA_RECONSTRUCT_12, QUDA_RECONSTRUCT_8, QUDA_RECONSTRUCT_NO, QUDA_TENSOR_GEOMETRY, R, quda::GaugeField::Reconstruct(), redundant_comms, quda::LatticeFieldParam::siteSubset, and quda::LatticeField::X().

Referenced by loadCloverQuda().

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createGaugeFieldQuda()

void* createGaugeFieldQuda	(	void *	gauge,
		int	geometry,
		QudaGaugeParam *	param
	)

Allocate a gauge (matrix) field on the device and optionally download a host gauge field.

Parameters

gauge	The host gauge field (optional - if set to 0 then the gauge field zeroed)
geometry	The geometry of the matrix field to create (1 - scalar, 4 - vector, 6 - tensor)
param	The parameters of the external field and the field to be created

Returns

Pointer to the gauge field (cast as a void*)

Definition at line 4229 of file interface_quda.cpp.

References cpuGauge, quda::GaugeFieldParam::create, cudaGauge, errorQuda, quda::GaugeFieldParam::geometry, gParam, quda::cudaGaugeField::loadCPUField(), quda::GaugeFieldParam::order, QUDA_FLOAT2_GAUGE_ORDER, QUDA_GENERAL_LINKS, QUDA_SCALAR_GEOMETRY, QUDA_VECTOR_GEOMETRY, and QUDA_ZERO_FIELD_CREATE.

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destroyDeflationQuda()

void destroyDeflationQuda

(

void *

df_instance

)

Free resources allocated by the deflated solver

Definition at line 2823 of file interface_quda.cpp.

References closeMagma().

Referenced by main().

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destroyGaugeFieldQuda()

void destroyGaugeFieldQuda

(

void *

gauge

)

Reinterpret gauge as a pointer to cudaGaugeField and call destructor.

Parameters

gauge

Gauge field to be freed

Definition at line 4265 of file interface_quda.cpp.

destroyMultigridQuda()

void destroyMultigridQuda

(

void *

mg_instance

)

Free resources allocated by the multigrid solver.

Parameters

mg_instance	Pointer to instance of multigrid_solver
param	Contains all metadata regarding host and device storage and solver parameters

Definition at line 2641 of file interface_quda.cpp.

References quda::multigrid_solver::mg.

Referenced by main().

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dslashQuda()

void dslashQuda	(	void *	h_out,
		void *	h_in,
		QudaInvertParam *	inv_param,
		QudaParity	parity
	)

Apply the Dslash operator (D_{eo} or D_{oe}).

Parameters

h_out	Result spinor field
h_in	Input spinor field
param	Contains all metadata regarding host and device storage
parity	The destination parity of the field

Definition at line 1853 of file interface_quda.cpp.

References quda::blas::ax(), quda::ColorSpinorParam::create, quda::Dirac::create(), quda::ColorSpinorField::Create(), QudaInvertParam_s::dagger, dirac, QudaInvertParam_s::dirac_order, QudaInvertParam_s::dslash_type, errorQuda, gaugeLongPrecise, getVerbosity(), in, QudaInvertParam_s::input_location, QudaInvertParam_s::mass, QudaInvertParam_s::mass_normalization, quda::blas::norm2(), out, QudaInvertParam_s::output_location, popVerbosity(), printfQuda, printQudaInvertParam(), profileDslash, pushVerbosity(), QUDA_ASQTAD_DSLASH, QUDA_CLOVER_WILSON_DSLASH, QUDA_CPS_WILSON_DIRAC_ORDER, QUDA_DEBUG_VERBOSE, QUDA_EVEN_PARITY, QUDA_KAPPA_NORMALIZATION, QUDA_NULL_FIELD_CREATE, QUDA_ODD_PARITY, quda::QUDA_PROFILE_COMPUTE, quda::QUDA_PROFILE_D2H, quda::QUDA_PROFILE_FREE, quda::QUDA_PROFILE_H2D, quda::QUDA_PROFILE_INIT, quda::QUDA_PROFILE_TOTAL, QUDA_STAGGERED_DSLASH, QUDA_TWISTED_CLOVER_DSLASH, quda::setDiracParam(), tmp1, and QudaInvertParam_s::verbosity.

Referenced by dslash_quda_(), and dslashCUDA().

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dslashQuda_4dpc()

void dslashQuda_4dpc	(	void *	h_out,
		void *	h_in,
		QudaInvertParam *	inv_param,
		QudaParity	parity,
		int	test_type
	)

Apply the Dslash operator (D_{eo} or D_{oe}) for 4D EO preconditioned DWF.

Parameters

h_out	Result spinor field
h_in	Input spinor field
param	Contains all metadata regarding host and device storage
parity	The destination parity of the field
test_type	Choose a type of dslash operators

Definition at line 1945 of file interface_quda.cpp.

References quda::blas::ax(), quda::ColorSpinorParam::create, quda::ColorSpinorField::Create(), dirac, QudaInvertParam_s::dirac_order, quda::DiracDomainWall4D::Dslash4(), quda::DiracDomainWall4D::Dslash5(), quda::DiracDomainWall4DPC::Dslash5inv(), QudaInvertParam_s::dslash_type, errorQuda, gaugeLongPrecise, getVerbosity(), in, QudaInvertParam_s::input_location, QudaInvertParam_s::kappa, quda::blas::norm2(), out, QudaInvertParam_s::output_location, popVerbosity(), printfQuda, printQudaInvertParam(), pushVerbosity(), QUDA_ASQTAD_DSLASH, QUDA_CPS_WILSON_DIRAC_ORDER, QUDA_DEBUG_VERBOSE, QUDA_EVEN_PARITY, QUDA_NULL_FIELD_CREATE, QUDA_ODD_PARITY, quda::setDiracParam(), and QudaInvertParam_s::verbosity.

Referenced by dslashCUDA().

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dslashQuda_mdwf()

void dslashQuda_mdwf	(	void *	h_out,
		void *	h_in,
		QudaInvertParam *	inv_param,
		QudaParity	parity,
		int	test_type
	)

Apply the Dslash operator (D_{eo} or D_{oe}) for Mobius DWF.

Parameters

h_out	Result spinor field
h_in	Input spinor field
param	Contains all metadata regarding host and device storage
parity	The destination parity of the field
test_type	Choose a type of dslash operators

Definition at line 2015 of file interface_quda.cpp.

References quda::blas::ax(), quda::ColorSpinorParam::create, quda::ColorSpinorField::Create(), dirac, QudaInvertParam_s::dirac_order, quda::DiracMobius::Dslash4(), quda::DiracMobius::Dslash4pre(), quda::DiracMobius::Dslash5(), quda::DiracMobiusPC::Dslash5inv(), QudaInvertParam_s::dslash_type, errorQuda, gaugeLongPrecise, getVerbosity(), in, QudaInvertParam_s::input_location, quda::blas::norm2(), out, QudaInvertParam_s::output_location, popVerbosity(), printfQuda, printQudaInvertParam(), pushVerbosity(), QUDA_ASQTAD_DSLASH, QUDA_CPS_WILSON_DIRAC_ORDER, QUDA_DEBUG_VERBOSE, QUDA_EVEN_PARITY, QUDA_NULL_FIELD_CREATE, QUDA_ODD_PARITY, quda::setDiracParam(), and QudaInvertParam_s::verbosity.

Referenced by dslashCUDA().

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dumpMultigridQuda()

void dumpMultigridQuda	(	void *	mg_instance,
		QudaMultigridParam *	param
	)

Dump the null-space vectors to disk.

Parameters

[in]	mg_instance	Pointer to the instance of multigrid_solver
[in]	param	Contains all metadata regarding host and device storage and solver parameters (QudaMultigridParam::vec_outfile sets the output filename prefix).

Definition at line 2726 of file interface_quda.cpp.

References checkGauge(), quda::MG::dumpNullVectors(), QudaMultigridParam_s::invert_param, quda::multigrid_solver::mg, popVerbosity(), profileInvert, profilerStart(), profilerStop(), pushVerbosity(), quda::QUDA_PROFILE_TOTAL, and QudaInvertParam_s::verbosity.

Referenced by main().

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eigensolveQuda()

void eigensolveQuda	(	void **	h_evecs,
		double_complex *	h_evals,
		QudaEigParam *	param
	)

Perform the eigensolve. The problem matrix is defined by the invert param, the mode of solution is specified by the eig param. It is assumed that the gauge field has already been loaded via loadGaugeQuda().

Parameters

h_evecs	Array of pointers to application eigenvectors
h_evals	Host side eigenvalues
param	Contains all metadata regarding the type of solve.

Referenced by eigensolve_test(), and main().

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endQuda()

void endQuda

(

void

)

Finalize the library.

Definition at line 1461 of file interface_quda.cpp.

References quda::assertAllMemFree(), comm_finalize(), comms_initialized, quda::cublas::destroy(), quda::destroyDslashEvents(), quda::blas::end(), quda::pool::flush_device(), quda::pool::flush_pinned(), flushChronoQuda(), quda::flushForceMonitor(), freeCloverQuda(), freeGaugeQuda(), quda::LatticeField::freeGhostBuffer(), quda::cpuColorSpinorField::freeGhostBuffer(), getVerbosity(), host_free, initialized, momResident, quda::Nstream, num_failures_d, num_failures_h, quda::TimeProfile::Print(), quda::printAPIProfile(), printfQuda, quda::TimeProfile::PrintGlobal(), quda::printLaunchTimer(), quda::printPeakMemUsage(), profileAPE, profileClover, profileCloverForce, profileContract, profileCovDev, profileDslash, profileEigensolve, profileEnd, profileExtendedGauge, profileFatLink, profileGauge, profileGaugeForce, profileGaugeUpdate, profileHISQForce, profileInit, profileInit2End, profileInvert, profileMomAction, profileMulti, profilePhase, profilePlaq, profileProject, profileQCharge, profileStaggeredForce, profileSTOUT, QUDA_MAX_CHRONO, quda::QUDA_PROFILE_TOTAL, QUDA_SUMMARIZE, quda::saveProfile(), quda::saveTuneCache(), and streams.

Referenced by end(), end_quda_(), gauge_force_test(), hisq_force_end(), hisq_test(), llfat_test(), main(), plaq_test(), SU3test(), StaggeredDslashTest::TearDownTestCase(), DslashTest::TearDownTestCase(), and unitarize_link_test().

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flushChronoQuda()

void flushChronoQuda

(

int

index

)

Flush the chronological history for the given index.

Parameters

[in]

index

Index for which we are flushing

Definition at line 1448 of file interface_quda.cpp.

References chronoResident(), errorQuda, and QUDA_MAX_CHRONO.

Referenced by endQuda(), and flush_chrono_quda_().

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freeCloverQuda()

void freeCloverQuda

(

void

)

Free QUDA's internal copy of the clover term and/or clover inverse.

Definition at line 1440 of file interface_quda.cpp.

References cloverPrecise, errorQuda, freeSloppyCloverQuda(), and initialized.

Referenced by endQuda(), free_clover_quda_(), and main().

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freeGaugeQuda()

void freeGaugeQuda

(

void

)

Free QUDA's internal copy of the gauge field.

Definition at line 1259 of file interface_quda.cpp.

References errorQuda, extendedGaugeResident, freeSloppyGaugeQuda(), gaugeExtended, gaugeFatPrecise, gaugeLongExtended, gaugeLongPrecise, gaugePrecise, gaugeSmeared, and initialized.

Referenced by end(), endQuda(), free_gauge_quda_(), main(), plaq_test(), and SU3test().

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gaussGaugeQuda()

void gaussGaugeQuda	(	unsigned long long	seed,
		double	sigma
	)

Generate Gaussian distributed fields and store in the resident gauge field. We create a Gaussian-distributed su(n) field and exponentiate it, e.g., U = exp(sigma * H), where H is the distributed su(n) field and beta is the width of the distribution (beta = 0 results in a free field, and sigma = 1 has maximum disorder).

Parameters

seed	The seed used for the RNG
sigma	Width of Gaussian distrubution

Definition at line 5386 of file interface_quda.cpp.

References errorQuda, quda::cudaGaugeField::exchangeExtendedGhost(), quda::gaugeGauss(), gaugePrecise, quda::LatticeFieldParam::ghostExchange, param, profileGauss, QUDA_GHOST_EXCHANGE_NO, quda::QUDA_PROFILE_COMPUTE, quda::QUDA_PROFILE_TOTAL, QUDA_RECONSTRUCT_12, R, quda::GaugeFieldParam::reconstruct, and redundant_comms.

Referenced by plaq_test().

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initCommsGridQuda()

void initCommsGridQuda	(	int	nDim,
		const int *	dims,
		QudaCommsMap	func,
		void *	fdata
	)

Declare the grid mapping ("logical topology" in QMP parlance) used for communications in a multi-GPU grid. This function should be called prior to initQuda(). The only case in which it's optional is when QMP is used for communication and the logical topology has already been declared by the application.

Parameters

nDim	Number of grid dimensions. "4" is the only supported value currently.
dims	Array of grid dimensions. dims[0]*dims[1]*dims[2]*dims[3] must equal the total number of MPI ranks or QMP nodes.
func	Pointer to a user-supplied function that maps coordinates in the communication grid to MPI ranks (or QMP node IDs). If the pointer is NULL, the default mapping depends on whether QMP or MPI is being used for communication. With QMP, the existing logical topology is used if it's been declared. With MPI or as a fallback with QMP, the default ordering is lexicographical with the fourth ("t") index varying fastest.
fdata	Pointer to any data required by "func" (may be NULL)

See also

QudaCommsMap

Definition at line 401 of file interface_quda.cpp.

References comm_init(), comms_initialized, LexMapData::dims, errorQuda, lex_rank_from_coords(), LexMapData::ndim, and warningQuda.

Referenced by comm_set_gridsize_(), init_default_comms(), and initComms().

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initQuda()

void initQuda

(

int

device

)

Initialize the library. This function is actually a wrapper around calls to initQudaDevice() and initQudaMemory().

Parameters

device

CUDA device number to use. In a multi-GPU build, this parameter may either be set explicitly on a per-process basis or set to -1 to enable a default allocation of devices to processes.

Definition at line 679 of file interface_quda.cpp.

References comms_initialized, init_default_comms(), initQudaDevice(), and initQudaMemory().

Referenced by eigensolve_test(), gauge_force_test(), hisq_force_init(), hisq_test(), init(), init_quda_(), invert_test(), llfat_test(), main(), plaq_test(), StaggeredDslashTest::SetUpTestCase(), DslashTest::SetUpTestCase(), SU3test(), and unitarize_link_test().

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initQudaDevice()

void initQudaDevice

(

int

device

)

Initialize the library. This is a low-level interface that is called by initQuda. Calling initQudaDevice requires that the user also call initQudaMemory before using QUDA.

Parameters

device

CUDA device number to use. In a multi-GPU build, this parameter may either be set explicitly on a per-process basis or set to -1 to enable a default allocation of devices to processes.

Definition at line 483 of file interface_quda.cpp.

References checkCudaErrorNoSync, comm_gpuid(), comms_initialized, deviceProp, errorQuda, getVerbosity(), gitversion, initialized, length, printfQuda, profileInit, profileInit2End, QUDA_CPU_FIELD_LOCATION, QUDA_CUDA_FIELD_LOCATION, quda::QUDA_PROFILE_INIT, quda::QUDA_PROFILE_TOTAL, QUDA_SILENT, QUDA_SUMMARIZE, quda::quda_version, quda::reorder_location_set(), setNumaAffinityNVML(), and warningQuda.

Referenced by init_quda_device_(), and initQuda().

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initQudaMemory()

void initQudaMemory

(

)

Initialize the library persistant memory allocations (both host and device). This is a low-level interface that is called by initQuda. Calling initQudaMemory requires that the user has previously called initQudaDevice.

Definition at line 638 of file interface_quda.cpp.

References checkCudaError, commDimPartitioned(), comms_initialized, quda::createDslashEvents(), quda::cublas::init(), quda::blas::init(), quda::pool::init(), init_default_comms(), quda::loadTuneCache(), mapped_malloc, quda::Nstream, num_failures_d, num_failures_h, profileInit, quda::QUDA_PROFILE_INIT, quda::QUDA_PROFILE_TOTAL, R, redundant_comms, and streams.

Referenced by init_quda_memory_(), and initQuda().

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invertMultiShiftQuda()

void invertMultiShiftQuda	(	void **	_hp_x,
		void *	_hp_b,
		QudaInvertParam *	param
	)

Solve for multiple shifts (e.g., masses).

Parameters

_hp_x	Array of solution spinor fields
_hp_b	Source spinor fields
param	Contains all metadata regarding host and device storage and solver parameters

Generic version of the multi-shift solver. Should work for most fermions. Note that offset[0] is not folded into the mass parameter.

For Wilson-type fermions, the solution_type must be MATDAG_MAT or MATPCDAG_MATPC, and solve_type must be NORMOP or NORMOP_PC. The solution and solve preconditioning have to match.

For Staggered-type fermions, the solution_type must be MATPC, and the solve type must be DIRECT_PC. This difference in convention is because preconditioned staggered operator is normal, unlike with Wilson-type fermions.

Definition at line 3579 of file interface_quda.cpp.

References QudaInvertParam_s::action, quda::blas::ax(), quda::blas::cDotProduct(), checkGauge(), QudaInvertParam_s::compute_action, QudaInvertParam_s::compute_true_res, quda::blas::copy(), quda::ColorSpinorParam::create, quda::ColorSpinorField::Create(), quda::createDirac(), QudaInvertParam_s::cuda_prec, QudaInvertParam_s::cuda_prec_refinement_sloppy, QudaInvertParam_s::cuda_prec_sloppy, quda::deflated_solver::d, quda::SolverParam::delta, dirac, QudaInvertParam_s::dslash_type, errorQuda, getVerbosity(), QudaInvertParam_s::gflops, initialized, QudaInvertParam_s::input_location, quda::SolverParam::iter, QudaInvertParam_s::iter, QudaInvertParam_s::iter_res_offset, quda::ColorSpinorParam::location, quda::deflated_solver::m, QudaInvertParam_s::make_resident_solution, QudaInvertParam_s::mass, quda::massRescale(), quda::blas::norm2(), QudaInvertParam_s::num_offset, QudaInvertParam_s::offset, QudaInvertParam_s::output_location, param, popVerbosity(), quda::pow(), quda::LatticeFieldParam::Precision(), printfQuda, profileMulti, profilerStart(), profilerStop(), pushVerbosity(), QUDA_ASQTAD_DSLASH, QUDA_COPY_FIELD_CREATE, QUDA_DIRECT_PC_SOLVE, QUDA_DIRECT_SOLVE, QUDA_HEAVY_QUARK_RESIDUAL, QUDA_MAT_SOLUTION, QUDA_MATPC_SOLUTION, QUDA_MATPCDAG_MATPC_SOLUTION, QUDA_MAX_MULTI_SHIFT, QUDA_NORMOP_PC_SOLVE, QUDA_NULL_FIELD_CREATE, quda::QUDA_PROFILE_D2H, quda::QUDA_PROFILE_EPILOGUE, quda::QUDA_PROFILE_FREE, quda::QUDA_PROFILE_H2D, quda::QUDA_PROFILE_INIT, quda::QUDA_PROFILE_PREAMBLE, quda::QUDA_PROFILE_TOTAL, QUDA_SOURCE_NORMALIZATION, QUDA_STAGGERED_DSLASH, QUDA_SUMMARIZE, QUDA_USE_INIT_GUESS_YES, QUDA_VERBOSE, QUDA_ZERO_FIELD_CREATE, QudaInvertParam_s::reliable_delta_refinement, QudaInvertParam_s::residual_type, QudaInvertParam_s::residue, quda::saveTuneCache(), QudaInvertParam_s::secs, quda::Dirac::setMass(), quda::DiracMatrix::shift, QudaInvertParam_s::solution_type, QudaInvertParam_s::solve_type, QudaInvertParam_s::solver_normalization, quda::sqrt(), tmp, quda::SolverParam::tol, tol_hq, quda::SolverParam::tol_hq, QudaInvertParam_s::tol_hq_offset, QudaInvertParam_s::tol_offset, quda::SolverParam::true_res, quda::SolverParam::true_res_hq, quda::SolverParam::true_res_hq_offset, QudaInvertParam_s::true_res_hq_offset, quda::SolverParam::true_res_offset, QudaInvertParam_s::true_res_offset, quda::unscaled_shifts, quda::SolverParam::updateInvertParam(), quda::SolverParam::use_init_guess, quda::ColorSpinorParam::v, QudaInvertParam_s::verbosity, X, and quda::LatticeField::X().

Referenced by invert_multishift_quda_(), invert_test(), and main().

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invertMultiSrcQuda()

void invertMultiSrcQuda	(	void **	_hp_x,
		void **	_hp_b,
		QudaInvertParam *	param
	)

Perform the solve like but for multiples right hand sides.

Parameters

_hp_x	Array of solution spinor fields
_hp_b	Array of source spinor fields
param	Contains all metadata regarding
param	Contains all metadata regarding host and device storage and solver parameters

Generic version of the multi-shift solver. Should work for most fermions. Note that offset[0] is not folded into the mass parameter.

At present, the solution_type must be MATDAG_MAT or MATPCDAG_MATPC, and solve_type must be NORMOP or NORMOP_PC. The solution and solve preconditioning have to match.

Definition at line 3234 of file interface_quda.cpp.

References quda::blas::ax(), quda::Solver::blocksolve(), checkGauge(), quda::ColorSpinorField::Component(), quda::ColorSpinorParam::composite_dim, quda::blas::copy(), quda::ColorSpinorParam::create, quda::Solver::create(), quda::ColorSpinorField::Create(), quda::createDirac(), cudaGauge, quda::deflated_solver::d, dirac, errorQuda, getVerbosity(), QudaInvertParam_s::gflops, in, initialized, QudaInvertParam_s::input_location, QudaInvertParam_s::inv_type_precondition, quda::ColorSpinorParam::is_component, quda::ColorSpinorParam::is_composite, QudaInvertParam_s::iter, quda::ColorSpinorParam::location, quda::deflated_solver::m, QudaInvertParam_s::make_resident_solution, quda::massRescale(), quda::Dirac::Mdag(), quda::blas::norm2(), QudaInvertParam_s::num_src, out, QudaInvertParam_s::output_location, popVerbosity(), quda::Dirac::prepare(), printfQuda, printQudaInvertParam(), profileInvert, pushVerbosity(), QUDA_DEBUG_VERBOSE, QUDA_DIRECT_PC_SOLVE, QUDA_DIRECT_SOLVE, QUDA_MAT_SOLUTION, QUDA_MATDAG_MAT_SOLUTION, QUDA_MATPC_SOLUTION, QUDA_MATPCDAG_MATPC_SOLUTION, QUDA_MG_INVERTER, QUDA_NORMERR_PC_SOLVE, QUDA_NORMERR_SOLVE, QUDA_NORMOP_PC_SOLVE, QUDA_NULL_FIELD_CREATE, quda::QUDA_PROFILE_D2H, quda::QUDA_PROFILE_EPILOGUE, quda::QUDA_PROFILE_H2D, quda::QUDA_PROFILE_TOTAL, QUDA_SOURCE_NORMALIZATION, QUDA_USE_INIT_GUESS_YES, QUDA_VERBOSE, QUDA_ZERO_FIELD_CREATE, quda::Dirac::reconstruct(), quda::saveTuneCache(), QudaInvertParam_s::secs, QudaInvertParam_s::solution_type, QudaInvertParam_s::solve_type, QudaInvertParam_s::solver_normalization, quda::sqrt(), tmp, quda::SolverParam::updateInvertParam(), QudaInvertParam_s::use_init_guess, quda::ColorSpinorParam::v, QudaInvertParam_s::verbosity, X, and quda::LatticeField::X().

Referenced by invert_test(), and main().

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invertQuda()

void invertQuda	(	void *	h_x,
		void *	h_b,
		QudaInvertParam *	param
	)

Perform the solve, according to the parameters set in param. It is assumed that the gauge field has already been loaded via loadGaugeQuda().

Parameters

h_x	Solution spinor field
h_b	Source spinor field
param	Contains all metadata regarding host and device storage and solver parameters

Definition at line 2830 of file interface_quda.cpp.

References QudaInvertParam_s::action, quda::blas::ax(), quda::blas::cDotProduct(), checkGauge(), QudaInvertParam_s::chrono_index, QudaInvertParam_s::chrono_make_resident, QudaInvertParam_s::chrono_max_dim, QudaInvertParam_s::chrono_precision, QudaInvertParam_s::chrono_replace_last, QudaInvertParam_s::chrono_use_resident, chronoResident(), QudaInvertParam_s::compute_action, quda::blas::copy(), quda::ColorSpinorParam::create, quda::Solver::create(), quda::ColorSpinorField::Create(), quda::createDirac(), QudaInvertParam_s::cuda_prec, QudaInvertParam_s::cuda_prec_sloppy, cudaGauge, quda::deflated_solver::d, dirac, errorQuda, getVerbosity(), QudaInvertParam_s::gflops, in, initialized, QudaInvertParam_s::input_location, QudaInvertParam_s::inv_type_precondition, QudaInvertParam_s::iter, quda::ColorSpinorParam::location, quda::deflated_solver::m, QudaInvertParam_s::make_resident_solution, quda::massRescale(), quda::Dirac::Mdag(), quda::blas::norm2(), out, QudaInvertParam_s::output_location, popVerbosity(), quda::LatticeField::Precision(), quda::Dirac::prepare(), printfQuda, printQudaInvertParam(), profileInvert, profilerStart(), profilerStop(), pushVerbosity(), QUDA_COPY_FIELD_CREATE, QUDA_DEBUG_VERBOSE, QUDA_DIRECT_PC_SOLVE, QUDA_DIRECT_SOLVE, QUDA_MAT_SOLUTION, QUDA_MATDAG_MAT_SOLUTION, QUDA_MATPC_SOLUTION, QUDA_MATPCDAG_MATPC_SOLUTION, QUDA_MAX_CHRONO, QUDA_MG_INVERTER, QUDA_NORMERR_PC_SOLVE, QUDA_NORMERR_SOLVE, QUDA_NORMOP_PC_SOLVE, QUDA_NULL_FIELD_CREATE, quda::QUDA_PROFILE_CHRONO, quda::QUDA_PROFILE_D2H, quda::QUDA_PROFILE_EPILOGUE, quda::QUDA_PROFILE_FREE, quda::QUDA_PROFILE_H2D, quda::QUDA_PROFILE_PREAMBLE, quda::QUDA_PROFILE_TOTAL, QUDA_SOURCE_NORMALIZATION, QUDA_USE_INIT_GUESS_YES, QUDA_VERBOSE, quda::Dirac::reconstruct(), quda::saveTuneCache(), QudaInvertParam_s::secs, quda::ColorSpinorParam::setPrecision(), quda::ColorSpinorField::SiteSubset(), QudaInvertParam_s::solution_type, QudaInvertParam_s::solve_type, QudaInvertParam_s::solver_normalization, quda::sqrt(), tmp, tmp2, quda::SolverParam::updateInvertParam(), QudaInvertParam_s::use_init_guess, QudaInvertParam_s::use_resident_solution, quda::ColorSpinorParam::v, QudaInvertParam_s::verbosity, X, quda::LatticeField::X(), and quda::blas::zero().

Referenced by invert_quda_(), invert_test(), and main().

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lanczosQuda()

void lanczosQuda	(	int	k0,
		int	m,
		void *	hp_Apsi,
		void *	hp_r,
		void *	hp_V,
		void *	hp_alpha,
		void *	hp_beta,
		QudaEigParam *	eig_param
	)

Perform the solve, according to the parameters set in param. It is assumed that the gauge field has already been loaded via loadGaugeQuda().

Parameters

h_x	Solution spinor field
h_b	Source spinor field
param	Contains all metadata regarding host and device storage and solver parameters

loadCloverQuda()

void loadCloverQuda	(	void *	h_clover,
		void *	h_clovinv,
		QudaInvertParam *	inv_param
	)

Load the clover term and/or the clover inverse from the host. Either h_clover or h_clovinv may be set to NULL.

Parameters

h_clover	Base pointer to host clover field
h_cloverinv	Base pointer to host clover inverse field
inv_param	Contains all metadata regarding host and device storage

Definition at line 985 of file interface_quda.cpp.

References quda::GaugeField::Anisotropy(), quda::CloverField::Bytes(), checkCudaError, QudaInvertParam_s::cl_pad, quda::CloverFieldParam::clover, QudaInvertParam_s::clover_coeff, QudaInvertParam_s::clover_cpu_prec, QudaInvertParam_s::clover_cuda_prec, QudaInvertParam_s::clover_cuda_prec_precondition, QudaInvertParam_s::clover_cuda_prec_refinement_sloppy, QudaInvertParam_s::clover_cuda_prec_sloppy, QudaInvertParam_s::clover_location, QudaInvertParam_s::clover_order, QudaInvertParam_s::clover_rho, quda::CloverFieldParam::cloverInv, quda::cloverInvert(), cloverPrecise, QudaInvertParam_s::compute_clover, QudaInvertParam_s::compute_clover_inverse, QudaInvertParam_s::compute_clover_trlog, quda::cudaCloverField::copy(), quda::CloverFieldParam::create, createCloverQuda(), quda::CloverFieldParam::csw, quda::CloverField::Csw(), quda::CloverFieldParam::direct, QudaInvertParam_s::dslash_type, errorQuda, freeSloppyCloverQuda(), getVerbosity(), in, initialized, invalidate_clover, quda::CloverFieldParam::inverse, quda::inverse(), quda::CloverFieldParam::invNorm, QudaInvertParam_s::kappa, loadSloppyCloverQuda(), QudaInvertParam_s::matpc_type, QudaInvertParam_s::mu, quda::CloverFieldParam::mu2, quda::LatticeFieldParam::nDim, quda::CloverFieldParam::norm, quda::CloverFieldParam::order, quda::LatticeFieldParam::pad, popVerbosity(), prec, printfQuda, printQudaInvertParam(), profileClover, pushVerbosity(), QUDA_CLOVER_WILSON_DSLASH, QUDA_CPU_FIELD_LOCATION, QUDA_DEBUG_VERBOSE, QUDA_DIRECT_PC_SOLVE, QUDA_FULL_SITE_SUBSET, QUDA_HALF_PRECISION, QUDA_MATPC_EVEN_EVEN_ASYMMETRIC, QUDA_MATPC_ODD_ODD_ASYMMETRIC, QUDA_MATPC_SOLUTION, QUDA_MATPCDAG_MATPC_SOLUTION, QUDA_NORMERR_PC_SOLVE, QUDA_NORMOP_PC_SOLVE, QUDA_NULL_FIELD_CREATE, quda::QUDA_PROFILE_COMPUTE, quda::QUDA_PROFILE_D2H, quda::QUDA_PROFILE_EPILOGUE, quda::QUDA_PROFILE_FREE, quda::QUDA_PROFILE_H2D, quda::QUDA_PROFILE_INIT, quda::QUDA_PROFILE_TOTAL, QUDA_REFERENCE_FIELD_CREATE, QUDA_TWISTED_CLOVER_DSLASH, QUDA_VERBOSE, qudaMemcpy, QudaInvertParam_s::return_clover, QudaInvertParam_s::return_clover_inverse, quda::CloverFieldParam::setPrecision(), quda::CloverField::setRho(), quda::LatticeFieldParam::siteSubset, QudaInvertParam_s::solution_type, QudaInvertParam_s::solve_type, quda::CloverField::TrLog(), QudaInvertParam_s::trlogA, quda::CloverFieldParam::twisted, quda::CloverField::V(), QudaInvertParam_s::verbosity, warningQuda, quda::LatticeFieldParam::x, and quda::LatticeField::X().

Referenced by init(), load_clover_quda_(), and main().

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loadGaugeQuda()

void loadGaugeQuda	(	void *	h_gauge,
		QudaGaugeParam *	param
	)

Load the gauge field from the host.

Parameters

h_gauge	Base pointer to host gauge field (regardless of dimensionality)
param	Contains all metadata regarding host and device storage

Definition at line 729 of file interface_quda.cpp.

References quda::GaugeField::checksum(), commDimPartitioned(), quda::GaugeFieldParam::compute_fat_link_max, quda::cudaGaugeField::copy(), quda::GaugeFieldParam::create, createExtendedGauge(), QudaGaugeParam_s::cuda_prec, QudaGaugeParam_s::cuda_prec_precondition, QudaGaugeParam_s::cuda_prec_refinement_sloppy, QudaGaugeParam_s::cuda_prec_sloppy, errorQuda, quda::cudaGaugeField::exchangeGhost(), extendedGaugeResident, QudaGaugeParam_s::ga_pad, gauge_param, gaugeFatPrecise, gaugeFatPrecondition, gaugeFatRefinement, gaugeFatSloppy, gaugeLongPrecise, gaugeLongPrecondition, gaugeLongRefinement, gaugeLongSloppy, gaugePrecise, gaugePrecondition, gaugeRefinement, gaugeSloppy, gaugeSmeared, getVerbosity(), quda::LatticeFieldParam::ghostExchange, in, initialized, invalidate_clover, QudaGaugeParam_s::location, quda::GaugeFieldParam::order, quda::GaugeField::Order(), QudaGaugeParam_s::overlap, quda::LatticeFieldParam::pad, printfQuda, printQudaGaugeParam(), profileGauge, QUDA_ASQTAD_FAT_LINKS, QUDA_ASQTAD_LONG_LINKS, QUDA_BQCD_GAUGE_ORDER, QUDA_CPU_FIELD_LOCATION, QUDA_DEBUG_VERBOSE, QUDA_GHOST_EXCHANGE_NO, QUDA_GHOST_EXCHANGE_PAD, QUDA_NULL_FIELD_CREATE, quda::QUDA_PROFILE_COMPUTE, quda::QUDA_PROFILE_FREE, quda::QUDA_PROFILE_H2D, quda::QUDA_PROFILE_INIT, quda::QUDA_PROFILE_TOTAL, QUDA_SMEARED_LINKS, QUDA_VERBOSE, QUDA_WILSON_LINKS, R, quda::LatticeField::R(), quda::GaugeFieldParam::reconstruct, QudaGaugeParam_s::reconstruct, quda::GaugeField::Reconstruct(), QudaGaugeParam_s::reconstruct_precondition, QudaGaugeParam_s::reconstruct_refinement_sloppy, QudaGaugeParam_s::reconstruct_sloppy, quda::GaugeFieldParam::setPrecision(), QudaGaugeParam_s::type, and QudaGaugeParam_s::use_resident_gauge.

Referenced by computeStaggeredPlaquetteQDPOrder(), eigensolve_test(), init(), invert_test(), load_gauge_quda_(), main(), plaq_test(), and SU3test().

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MatDagMatQuda()

void MatDagMatQuda	(	void *	h_out,
		void *	h_in,
		QudaInvertParam *	inv_param
	)

Apply M^{}M, possibly even/odd preconditioned.

Parameters

h_out	Result spinor field
h_in	Input spinor field
param	Contains all metadata regarding host and device storage

Definition at line 2158 of file interface_quda.cpp.

References quda::blas::ax(), quda::ColorSpinorParam::create, quda::Dirac::create(), quda::ColorSpinorField::Create(), dirac, QudaInvertParam_s::dslash_type, errorQuda, gaugeLongPrecise, getVerbosity(), in, QudaInvertParam_s::input_location, kappa, QudaInvertParam_s::kappa, QudaInvertParam_s::mass_normalization, quda::Dirac::MdagM(), quda::blas::norm2(), out, QudaInvertParam_s::output_location, popVerbosity(), quda::pow(), printfQuda, printQudaInvertParam(), pushVerbosity(), QUDA_ASQTAD_DSLASH, QUDA_ASYMMETRIC_MASS_NORMALIZATION, QUDA_CLOVER_WILSON_DSLASH, QUDA_DEBUG_VERBOSE, QUDA_MASS_NORMALIZATION, QUDA_MATPC_SOLUTION, QUDA_MATPCDAG_MATPC_SOLUTION, QUDA_NULL_FIELD_CREATE, QUDA_TWISTED_CLOVER_DSLASH, quda::setDiracParam(), QudaInvertParam_s::solution_type, and QudaInvertParam_s::verbosity.

Referenced by dslashCUDA(), and mat_dag_mat_quda_().

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MatQuda()

void MatQuda	(	void *	h_out,
		void *	h_in,
		QudaInvertParam *	inv_param
	)

Apply the full Dslash matrix, possibly even/odd preconditioned.

Parameters

h_out	Result spinor field
h_in	Input spinor field
param	Contains all metadata regarding host and device storage

Definition at line 2088 of file interface_quda.cpp.

References quda::blas::ax(), quda::ColorSpinorParam::create, quda::Dirac::create(), quda::ColorSpinorField::Create(), dirac, QudaInvertParam_s::dslash_type, errorQuda, gaugeLongPrecise, getVerbosity(), in, QudaInvertParam_s::input_location, kappa, QudaInvertParam_s::kappa, quda::Dirac::M(), QudaInvertParam_s::mass_normalization, quda::blas::norm2(), out, QudaInvertParam_s::output_location, popVerbosity(), printfQuda, printQudaInvertParam(), pushVerbosity(), QUDA_ASQTAD_DSLASH, QUDA_ASYMMETRIC_MASS_NORMALIZATION, QUDA_CLOVER_WILSON_DSLASH, QUDA_DEBUG_VERBOSE, QUDA_MASS_NORMALIZATION, QUDA_MATPC_SOLUTION, QUDA_MATPCDAG_MATPC_SOLUTION, QUDA_NULL_FIELD_CREATE, QUDA_TWISTED_CLOVER_DSLASH, quda::setDiracParam(), QudaInvertParam_s::solution_type, and QudaInvertParam_s::verbosity.

Referenced by dslashCUDA(), and mat_quda_().

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momActionQuda()

double momActionQuda	(	void *	momentum,
		QudaGaugeParam *	param
	)

Evaluate the momentum contribution to the Hybrid Monte Carlo action.

Parameters

momentum	The momentum field
param	The parameters of the external fields and the computation settings

Returns

momentum action

Definition at line 5084 of file interface_quda.cpp.

References checkCudaError, quda::computeMomAction(), cpuMom, quda::GaugeFieldParam::create, cudaMom, errorQuda, gParam, quda::cudaGaugeField::loadCPUField(), QudaGaugeParam_s::make_resident_mom, momResident, quda::GaugeFieldParam::order, profileMomAction, QUDA_ASQTAD_MOM_LINKS, QUDA_FLOAT2_GAUGE_ORDER, QUDA_NULL_FIELD_CREATE, quda::QUDA_PROFILE_COMPUTE, quda::QUDA_PROFILE_FREE, quda::QUDA_PROFILE_H2D, quda::QUDA_PROFILE_INIT, quda::QUDA_PROFILE_TOTAL, QUDA_RECONSTRUCT_10, QUDA_RECONSTRUCT_NO, QUDA_TIFR_GAUGE_ORDER, QUDA_TIFR_PADDED_GAUGE_ORDER, quda::GaugeFieldParam::reconstruct, and QudaGaugeParam_s::use_resident_mom.

Referenced by kinetic_quda_().

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newDeflationQuda()

void* newDeflationQuda

(

QudaEigParam *

param

)

Create deflation solver resources.

Definition at line 2809 of file interface_quda.cpp.

References quda::deflated_solver::defl, quda::deflated_solver::deflated_solver(), quda::flushProfile(), openMagma(), profileInvert, quda::QUDA_PROFILE_TOTAL, and quda::saveProfile().

Referenced by main().

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newMultigridQuda()

void* newMultigridQuda

(

QudaMultigridParam *

param

)

Setup the multigrid solver, according to the parameters set in param. It is assumed that the gauge field has already been loaded via loadGaugeQuda().

Parameters

param

Contains all metadata regarding host and device storage and solver parameters

Definition at line 2624 of file interface_quda.cpp.

References QudaMultigridParam_s::invert_param, quda::multigrid_solver::mg, quda::multigrid_solver::multigrid_solver(), popVerbosity(), profileInvert, profilerStart(), profilerStop(), pushVerbosity(), quda::QUDA_PROFILE_TOTAL, quda::saveTuneCache(), and QudaInvertParam_s::verbosity.

Referenced by main().

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newQudaEigParam()

QudaEigParam newQudaEigParam

(

void

)

A new QudaEigParam should always be initialized immediately after it's defined (and prior to explicitly setting its members) using this function. Typical usage is as follows:

QudaEigParam eig_param = newQudaEigParam();

Referenced by eigensolve_test(), main(), and printQudaGaugeParam().

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newQudaGaugeParam()

QudaGaugeParam newQudaGaugeParam

(

void

)

A new QudaGaugeParam should always be initialized immediately after it's defined (and prior to explicitly setting its members) using this function. Typical usage is as follows:

QudaGaugeParam gauge_param = newQudaGaugeParam();

Referenced by computeStaggeredPlaquetteQDPOrder(), eigensolve_test(), gauge_force_test(), hisq_test(), init(), invert_test(), llfat_test(), main(), new_quda_gauge_param_(), plaq_test(), GaugeAlgTest::SetUp(), SU3test(), and unitarize_link_test().

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newQudaInvertParam()

QudaInvertParam newQudaInvertParam

(

void

)

A new QudaInvertParam should always be initialized immediately after it's defined (and prior to explicitly setting its members) using this function. Typical usage is as follows:

QudaInvertParam invert_param = newQudaInvertParam();

Referenced by eigensolve_test(), init(), invert_test(), main(), new_quda_invert_param_(), printQudaCloverParam(), and test().

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newQudaMultigridParam()

QudaMultigridParam newQudaMultigridParam

(

void

)

A new QudaMultigridParam should always be initialized immediately after it's defined (and prior to explicitly setting its members) using this function. Typical usage is as follows:

QudaMultigridParam mg_param = newQudaMultigridParam();

Referenced by main(), and printQudaInvertParam().

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openMagma()

void openMagma

(

)

Open/Close MAGMA library

Definition at line 95 of file interface_quda.cpp.

References InitMagma, OpenMagma(), and printfQuda.

Referenced by newDeflationQuda().

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pack_ghost()

void pack_ghost	(	void **	cpuLink,
		void **	cpuGhost,
		int	nFace,
		QudaPrecision	precision
	)

performAPEnStep()

void performAPEnStep	(	unsigned int	nSteps,
		double	alpha
	)

Performs APE smearing on gaugePrecise and stores it in gaugeSmeared

Parameters

nSteps	Number of steps to apply.
alpha	Alpha coefficient for APE smearing.

Definition at line 5528 of file interface_quda.cpp.

References quda::APEStep(), createExtendedGauge(), errorQuda, quda::cudaGaugeField::exchangeExtendedGhost(), gaugeSmeared, getVerbosity(), gParam, quda::plaquette(), printfQuda, profileAPE, quda::QUDA_PROFILE_TOTAL, QUDA_SUMMARIZE, R, and redundant_comms.

Referenced by SU3test().

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performOvrImpSTOUTnStep()

void performOvrImpSTOUTnStep	(	unsigned int	nSteps,
		double	rho,
		double	epsilon
	)

Performs Over Imroved STOUT smearing on gaugePrecise and stores it in gaugeSmeared

Parameters

nSteps	Number of steps to apply.
rho	Rho coefficient for STOUT smearing.
epsilon	Epsilon coefficient for Over Improved STOUT smearing.

Definition at line 5598 of file interface_quda.cpp.

References createExtendedGauge(), errorQuda, quda::cudaGaugeField::exchangeExtendedGhost(), gaugeSmeared, getVerbosity(), gParam, quda::OvrImpSTOUTStep(), quda::plaquette(), printfQuda, profileOvrImpSTOUT, profileSTOUT, quda::QUDA_PROFILE_TOTAL, QUDA_SUMMARIZE, R, and redundant_comms.

Referenced by SU3test().

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performSTOUTnStep()

void performSTOUTnStep	(	unsigned int	nSteps,
		double	rho
	)

Performs STOUT smearing on gaugePrecise and stores it in gaugeSmeared

Parameters

nSteps	Number of steps to apply.
rho	Rho coefficient for STOUT smearing.

Definition at line 5563 of file interface_quda.cpp.

References createExtendedGauge(), errorQuda, quda::cudaGaugeField::exchangeExtendedGhost(), gaugeSmeared, getVerbosity(), gParam, quda::plaquette(), printfQuda, profileSTOUT, quda::QUDA_PROFILE_TOTAL, QUDA_SUMMARIZE, R, redundant_comms, and quda::STOUTStep().

Referenced by SU3test().

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performWuppertalnStep()

void performWuppertalnStep	(	void *	h_out,
		void *	h_in,
		QudaInvertParam *	param,
		unsigned int	nSteps,
		double	alpha
	)

Performs Wuppertal smearing on a given spinor using the gauge field gaugeSmeared, if it exist, or gaugePrecise if no smeared field is present.

Parameters

h_out	Result spinor field
h_in	Input spinor field
param	Contains all metadata regarding host and device storage and operator which will be applied to the spinor
nSteps	Number of steps to apply.
alpha	Alpha coefficient for Wuppertal smearing.

Definition at line 5457 of file interface_quda.cpp.

References quda::copyExtendedGauge(), quda::GaugeFieldParam::create, quda::ColorSpinorParam::create, quda::ColorSpinorField::Create(), errorQuda, quda::cudaGaugeField::exchangeGhost(), gaugePrecise, getVerbosity(), gParam, in, QudaInvertParam_s::input_location, quda::ColorSpinorParam::location, quda::norm(), quda::blas::norm2(), out, QudaInvertParam_s::output_location, parity, popVerbosity(), printfQuda, printQudaInvertParam(), profileWuppertal, pushVerbosity(), QUDA_CUDA_FIELD_LOCATION, QUDA_DEBUG_VERBOSE, QUDA_NULL_FIELD_CREATE, quda::QUDA_PROFILE_TOTAL, QUDA_VERBOSE, quda::ColorSpinorParam::v, QudaInvertParam_s::verbosity, quda::wuppertalStep(), and quda::LatticeField::X().

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plaqQuda()

void plaqQuda

(

double

plaq[3]

)

Computes the total, spatial and temporal plaquette averages of the loaded gauge configuration.

Parameters

Array

for storing the averages (total, spatial, temporal)

Definition at line 5419 of file interface_quda.cpp.

References createExtendedGauge(), errorQuda, extendedGaugeResident, quda::plaquette(), profilePlaq, quda::QUDA_PROFILE_COMPUTE, quda::QUDA_PROFILE_TOTAL, and R.

Referenced by computeStaggeredPlaquetteQDPOrder(), main(), plaq_quda_(), plaq_test(), and SU3test().

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printQudaEigParam()

void printQudaEigParam

(

QudaEigParam *

param

)

Print the members of QudaEigParam.

Parameters

param

The QudaEigParam whose elements we are to print.

Definition at line 143 of file check_params.h.

References eig_type, INVALID_DOUBLE, INVALID_INT, mem_type_ritz, param, printfQuda, QUDA_BOOLEAN_FALSE, QUDA_BOOLEAN_INVALID, QUDA_BOOLEAN_TRUE, QUDA_CUDA_FIELD_LOCATION, QUDA_EIG_INVALID, QUDA_EIG_TR_LANCZOS, QUDA_EIGEN_EXTLIB, QUDA_EXTLIB_INVALID, QUDA_INVALID_FIELD_LOCATION, QUDA_MEMORY_DEVICE, QUDA_MEMORY_INVALID, QUDA_SPECTRUM_LR_EIG, and tol.

Referenced by eigensolveQuda().

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printQudaGaugeParam()

void printQudaGaugeParam

(

QudaGaugeParam *

param

)

Print the members of QudaGaugeParam.

Parameters

param

The QudaGaugeParam whose elements we are to print.

Definition at line 40 of file check_params.h.

References anisotropy, cpu_prec, QudaGaugeParam_s::cuda_prec, cuda_prec, QudaGaugeParam_s::cuda_prec_precondition, cuda_prec_precondition, QudaGaugeParam_s::cuda_prec_refinement_sloppy, cuda_prec_refinement_sloppy, QudaGaugeParam_s::cuda_prec_sloppy, cuda_prec_sloppy, gauge_order, INVALID_DOUBLE, INVALID_INT, newQudaEigParam(), printfQuda, QUDA_ASQTAD_LONG_LINKS, QUDA_CPU_FIELD_LOCATION, QUDA_GAUGE_FIXED_INVALID, QUDA_INVALID_FIELD_LOCATION, QUDA_INVALID_GAUGE_ORDER, QUDA_INVALID_LINKS, QUDA_INVALID_PRECISION, QUDA_INVALID_T_BOUNDARY, QUDA_RECONSTRUCT_INVALID, QUDA_STAGGERED_PHASE_INVALID, QUDA_STAGGERED_PHASE_NO, QUDA_WILSON_LINKS, QudaGaugeParam_s::reconstruct, QudaGaugeParam_s::reconstruct_precondition, QudaGaugeParam_s::reconstruct_refinement_sloppy, QudaGaugeParam_s::reconstruct_sloppy, QudaGaugeParam_s::type, and X.

Referenced by loadGaugeQuda().

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printQudaInvertParam()

void printQudaInvertParam

(

QudaInvertParam *

param

)

Print the members of QudaInvertParam.

Parameters

param

The QudaInvertParam whose elements we are to print.

Whether to use a pipelined solver

< Number of offsets in the multi-shift solver

< Number of offsets in the multi-shift solver

< width of domain overlaps

Definition at line 277 of file check_params.h.

References ca_basis, QudaInvertParam_s::ca_basis, ca_lambda_max, ca_lambda_min, QudaInvertParam_s::chrono_precision, QudaInvertParam_s::compute_action, cpu_prec, cuda_prec, QudaInvertParam_s::cuda_prec, cuda_prec_precondition, QudaInvertParam_s::cuda_prec_precondition, cuda_prec_refinement_sloppy, QudaInvertParam_s::cuda_prec_refinement_sloppy, cuda_prec_ritz, cuda_prec_sloppy, QudaInvertParam_s::cuda_prec_sloppy, dagger, deflation_grid, dslash_type, QudaInvertParam_s::dslash_type, eigcg_max_restarts, eigenval_tol, gcrNkrylov, quda::get_pointer_location(), inc_tol, QudaInvertParam_s::input_location, inv_type, QudaInvertParam_s::inv_type, QudaInvertParam_s::inv_type_precondition, INVALID_DOUBLE, INVALID_INT, kappa, laplace3D, Ls, mass, matpc_type, max_restart_num, max_search_dim, mu, nev, newQudaMultigridParam(), QudaInvertParam_s::num_offset, omega, QudaInvertParam_s::output_location, pipeline, printfQuda, printQudaCloverParam(), QUDA_ADDITIVE_SCHWARZ, QUDA_ASQTAD_DSLASH, QUDA_BICGSTAB_INVERTER, QUDA_CA_CG_INVERTER, QUDA_CA_CGNE_INVERTER, QUDA_CA_CGNR_INVERTER, QUDA_CA_GCR_INVERTER, QUDA_CG_INVERTER, QUDA_CHEBYSHEV_BASIS, QUDA_CPU_FIELD_LOCATION, QUDA_DAG_INVALID, QUDA_DEFAULT_NORMALIZATION, QUDA_DOMAIN_WALL_4D_DSLASH, QUDA_DOMAIN_WALL_DSLASH, QUDA_EIGEN_EXTLIB, QUDA_EXTLIB_INVALID, QUDA_GCR_INVERTER, QUDA_HEAVY_QUARK_RESIDUAL, QUDA_INVALID_BASIS, QUDA_INVALID_DIRAC_ORDER, QUDA_INVALID_DSLASH, QUDA_INVALID_FIELD_LOCATION, QUDA_INVALID_GAMMA_BASIS, QUDA_INVALID_INVERTER, QUDA_INVALID_NORMALIZATION, QUDA_INVALID_PRECISION, QUDA_INVALID_RESIDUAL, QUDA_INVALID_SCHWARZ, QUDA_INVALID_SOLUTION, QUDA_INVALID_SOLVE, QUDA_INVALID_VERBOSITY, QUDA_L2_RELATIVE_RESIDUAL, QUDA_MATPC_INVALID, QUDA_MOBIUS_DWF_DSLASH, QUDA_MPBICGSTAB_INVERTER, QUDA_MPCG_INVERTER, QUDA_MR_INVERTER, QUDA_POWER_BASIS, QUDA_PRESERVE_SOURCE_INVALID, QUDA_SINGLE_PRECISION, QUDA_STAGGERED_DSLASH, QUDA_TWIST_INVALID, QUDA_TWISTED_MASS_DSLASH, QUDA_USE_INIT_GUESS_INVALID, QUDA_USE_INIT_GUESS_NO, reliable_delta, QudaInvertParam_s::reliable_delta, QudaInvertParam_s::reliable_delta_refinement, QudaInvertParam_s::residual_type, schwarz_type, solution_accumulator_pipeline, solution_type, solve_type, tol, tol_hq, tol_restart, twist_flavor, verbosity, and warningQuda.

Referenced by cloverQuda(), dslashQuda(), dslashQuda_4dpc(), dslashQuda_mdwf(), eigensolveQuda(), invertMultiSrcQuda(), invertQuda(), loadCloverQuda(), MatDagMatQuda(), MatQuda(), performWuppertalnStep(), and printQudaMultigridParam().

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printQudaMultigridParam()

void printQudaMultigridParam

(

QudaMultigridParam *

param

)

Print the members of QudaMultigridParam.

Parameters

param

The QudaMultigridParam whose elements we are to print.

Definition at line 598 of file check_params.h.

References coarse_solver, coarse_solver_ca_basis, coarse_solver_ca_basis_size, coarse_solver_ca_lambda_max, coarse_solver_ca_lambda_min, coarse_solver_maxiter, coarse_solver_tol, QudaMultigridParam_s::compute_null_vector, errorQuda, generate_all_levels, QudaMultigridParam_s::generate_all_levels, geo_block_size, INVALID_DOUBLE, INVALID_INT, QudaMultigridParam_s::invert_param, mu_factor, n_block_ortho, QudaMultigridParam_s::n_level, QudaMultigridParam_s::n_vec, nu_post, nu_pre, num_setup_iter, omega, post_orthonormalize, pre_orthonormalize, printfQuda, printQudaInvertParam(), QUDA_BICGSTAB_INVERTER, QUDA_BOOLEAN_FALSE, QUDA_BOOLEAN_INVALID, QUDA_BOOLEAN_TRUE, QUDA_COMPUTE_NULL_VECTOR_INVALID, QUDA_COMPUTE_NULL_VECTOR_YES, QUDA_CUDA_FIELD_LOCATION, QUDA_INVALID_BASIS, QUDA_INVALID_FIELD_LOCATION, QUDA_INVALID_INVERTER, QUDA_INVALID_PRECISION, QUDA_INVALID_SCHWARZ, QUDA_INVALID_SETUP_TYPE, QUDA_INVALID_SOLUTION, QUDA_INVALID_SOLVE, QUDA_INVALID_VERBOSITY, QUDA_MAX_MG_LEVEL, QUDA_MG_CYCLE_INVALID, QUDA_NULL_VECTOR_SETUP, QUDA_POWER_BASIS, QUDA_SILENT, QUDA_SINGLE_PRECISION, setup_ca_basis, setup_ca_basis_size, setup_ca_lambda_max, setup_ca_lambda_min, setup_location, setup_maxiter, setup_maxiter_refresh, setup_tol, setup_type, smoother_solve_type, smoother_tol, and verbosity.

Referenced by quda::multigrid_solver::multigrid_solver().

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projectSU3Quda()

void projectSU3Quda	(	void *	gauge_h,
		double	tol,
		QudaGaugeParam *	param
	)

Project the input field on the SU(3) group. If the target tolerance is not met, this routine will give a runtime error.

Parameters

gauge_h	The gauge field to be updated
tol	The tolerance to which we iterate
param	The parameters of the gauge field

Definition at line 4971 of file interface_quda.cpp.

References cpuGauge, quda::GaugeFieldParam::create, cudaGauge, errorQuda, QudaGaugeParam_s::gauge_offset, gaugePrecise, gParam, quda::cudaGaugeField::loadCPUField(), QudaGaugeParam_s::make_resident_gauge, num_failures_d, num_failures_h, quda::GaugeFieldParam::order, profileProject, quda::projectSU3(), QUDA_FLOAT2_GAUGE_ORDER, QUDA_GENERAL_LINKS, QUDA_NULL_FIELD_CREATE, quda::QUDA_PROFILE_COMPUTE, quda::QUDA_PROFILE_D2H, quda::QUDA_PROFILE_FREE, quda::QUDA_PROFILE_H2D, quda::QUDA_PROFILE_INIT, quda::QUDA_PROFILE_TOTAL, quda::GaugeFieldParam::reconstruct, QudaGaugeParam_s::reconstruct, QudaGaugeParam_s::return_result_gauge, quda::cudaGaugeField::saveCPUField(), quda::GaugeFieldParam::site_offset, quda::GaugeFieldParam::site_size, QudaGaugeParam_s::site_size, and QudaGaugeParam_s::use_resident_gauge.

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qChargeDensityQuda()

double qChargeDensityQuda

(

void *

qDensity

)

Calculates the topological charge from gaugeSmeared, if it exist, or from gaugePrecise if no smeared fields are present.

Parameters

[out]

qDensity

array holding Q charge density

Definition at line 5880 of file interface_quda.cpp.

References quda::computeFmunu(), quda::computeQChargeDensity(), createExtendedGauge(), device_free, device_malloc, extendedGaugeResident, gaugeSmeared, quda::LatticeField::Precision(), profileQCharge, QUDA_FLOAT2_GAUGE_ORDER, QUDA_FULL_SITE_SUBSET, QUDA_GHOST_EXCHANGE_NO, quda::QUDA_PROFILE_COMPUTE, quda::QUDA_PROFILE_D2H, quda::QUDA_PROFILE_FREE, quda::QUDA_PROFILE_INIT, quda::QUDA_PROFILE_TOTAL, QUDA_RECONSTRUCT_NO, QUDA_TENSOR_GEOMETRY, qudaMemcpy, R, quda::LatticeFieldParam::siteSubset, quda::size, quda::LatticeField::Volume(), and quda::LatticeField::X().

Referenced by SU3test().

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qChargeQuda()

double qChargeQuda

(

)

Calculates the topological charge from gaugeSmeared, if it exist, or from gaugePrecise if no smeared fields are present.

Definition at line 5846 of file interface_quda.cpp.

References quda::computeFmunu(), quda::computeQCharge(), createExtendedGauge(), extendedGaugeResident, gaugeSmeared, quda::LatticeField::Precision(), profileQCharge, QUDA_FLOAT2_GAUGE_ORDER, QUDA_FULL_SITE_SUBSET, QUDA_GHOST_EXCHANGE_NO, quda::QUDA_PROFILE_COMPUTE, quda::QUDA_PROFILE_INIT, quda::QUDA_PROFILE_TOTAL, QUDA_RECONSTRUCT_NO, QUDA_TENSOR_GEOMETRY, R, quda::LatticeFieldParam::siteSubset, and quda::LatticeField::X().

Referenced by main(), and SU3test().

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qudaSetCommHandle()

void qudaSetCommHandle

(

void *

mycomm

)

Parameters

mycomm

User provided MPI communicator in place of MPI_COMM_WORLD

saveGaugeFieldQuda()

void saveGaugeFieldQuda	(	void *	outGauge,
		void *	inGauge,
		QudaGaugeParam *	param
	)

Copy the QUDA gauge (matrix) field on the device to the CPU

Parameters

outGauge	Pointer to the host gauge field
inGauge	Pointer to the device gauge field (QUDA device field)
param	The parameters of the host and device fields

Definition at line 4252 of file interface_quda.cpp.

References cpuGauge, cudaGauge, quda::GaugeFieldParam::geometry, quda::GaugeField::Geometry(), gParam, QUDA_GENERAL_LINKS, and quda::cudaGaugeField::saveCPUField().

Referenced by main().

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saveGaugeQuda()

void saveGaugeQuda	(	void *	h_gauge,
		QudaGaugeParam *	param
	)

Save the gauge field to the host.

Parameters

h_gauge	Base pointer to host gauge field (regardless of dimensionality)
param	Contains all metadata regarding host and device storage

Definition at line 936 of file interface_quda.cpp.

References quda::copyExtendedGauge(), cpuGauge, quda::GaugeFieldParam::create, QudaGaugeParam_s::cuda_prec, cudaGauge, errorQuda, freeSloppyCloverQuda(), QudaGaugeParam_s::ga_pad, gauge_param, gaugeFatPrecise, gaugeLongPrecise, gaugePrecise, quda::LatticeFieldParam::ghostExchange, initialized, loadSloppyCloverQuda(), QudaGaugeParam_s::location, quda::LatticeFieldParam::pad, prec, profileGauge, QUDA_ASQTAD_FAT_LINKS, QUDA_ASQTAD_LONG_LINKS, QUDA_CPU_FIELD_LOCATION, QUDA_CUDA_FIELD_LOCATION, QUDA_GHOST_EXCHANGE_PAD, QUDA_NULL_FIELD_CREATE, quda::QUDA_PROFILE_D2H, quda::QUDA_PROFILE_TOTAL, QUDA_SMEARED_LINKS, QUDA_WILSON_LINKS, quda::GaugeFieldParam::reconstruct, QudaGaugeParam_s::reconstruct, quda::cudaGaugeField::saveCPUField(), quda::GaugeFieldParam::setPrecision(), and QudaGaugeParam_s::type.

Referenced by SU3test().

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set_dim()

void set_dim

(

int *

)

setMPICommHandleQuda()

void setMPICommHandleQuda

(

void *

mycomm

)

Definition at line 368 of file interface_quda.cpp.

setVerbosityQuda()

void setVerbosityQuda	(	QudaVerbosity	verbosity,
		const char	prefix[],
		FILE *	outfile
	)

Set parameters related to status reporting.

In typical usage, this function will be called once (or not at all) just before the call to initQuda(), but it's valid to call it any number of times at any point during execution. Prior to the first time it's called, the parameters take default values as indicated below.

Parameters

verbosity	Default verbosity, ranging from QUDA_SILENT to QUDA_DEBUG_VERBOSE. Within a solver, this parameter is overridden by the "verbosity" member of QudaInvertParam. The default value is QUDA_SUMMARIZE.
prefix	String to prepend to all messages from QUDA. This defaults to the empty string (""), but you may wish to specify something like "QUDA: " to distinguish QUDA's output from that of your application.
outfile	File pointer (such as stdout, stderr, or a handle returned by fopen()) where messages should be printed. The default is stdout.

Definition at line 323 of file interface_quda.cpp.

References setOutputFile(), setOutputPrefix(), and setVerbosity().

Referenced by gauge_force_test(), and init().

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staggeredPhaseQuda()

void staggeredPhaseQuda	(	void *	gauge_h,
		QudaGaugeParam *	param
	)

Apply the staggered phase factors to the gauge field. If the imaginary chemical potential is non-zero then the phase factor exp(imu/T) will be applied to the links in the temporal direction.

Parameters

gauge_h	The gauge field
param	The parameters of the gauge field

Definition at line 5029 of file interface_quda.cpp.

References quda::GaugeField::applyStaggeredPhase(), cpuGauge, quda::GaugeFieldParam::create, cudaGauge, errorQuda, gaugePrecise, gParam, quda::cudaGaugeField::loadCPUField(), QudaGaugeParam_s::make_resident_gauge, num_failures_h, quda::GaugeFieldParam::order, profilePhase, QUDA_FLOAT2_GAUGE_ORDER, QUDA_GENERAL_LINKS, QUDA_NULL_FIELD_CREATE, quda::QUDA_PROFILE_COMPUTE, quda::QUDA_PROFILE_D2H, quda::QUDA_PROFILE_FREE, quda::QUDA_PROFILE_H2D, quda::QUDA_PROFILE_INIT, quda::QUDA_PROFILE_TOTAL, quda::GaugeFieldParam::reconstruct, QudaGaugeParam_s::reconstruct, quda::GaugeField::removeStaggeredPhase(), QudaGaugeParam_s::return_result_gauge, quda::cudaGaugeField::saveCPUField(), quda::GaugeField::StaggeredPhaseApplied(), and QudaGaugeParam_s::use_resident_gauge.

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updateGaugeFieldQuda()

void updateGaugeFieldQuda	(	void *	gauge,
		void *	momentum,
		double	dt,
		int	conj_mom,
		int	exact,
		QudaGaugeParam *	param
	)

Evolve the gauge field by step size dt, using the momentum field I.e., Evalulate U(t+dt) = e(dt pi) U(t)

Parameters

gauge	The gauge field to be updated
momentum	The momentum field
dt	The integration step size step
conj_mom	Whether to conjugate the momentum matrix
exact	Whether to use an exact exponential or Taylor expand
param	The parameters of the external fields and the computation settings

Definition at line 4869 of file interface_quda.cpp.

References checkCudaError, cpuGauge, cpuMom, quda::GaugeFieldParam::create, cudaMom, errorQuda, QudaGaugeParam_s::gauge_offset, gaugePrecise, quda::LatticeFieldParam::ghostExchange, gParam, quda::GaugeFieldParam::link_type, quda::cudaGaugeField::loadCPUField(), QudaGaugeParam_s::make_resident_gauge, QudaGaugeParam_s::make_resident_mom, QudaGaugeParam_s::mom_offset, momResident, quda::GaugeFieldParam::order, quda::LatticeFieldParam::pad, profileGaugeUpdate, QUDA_ASQTAD_MOM_LINKS, QUDA_FLOAT2_GAUGE_ORDER, QUDA_GHOST_EXCHANGE_NO, QUDA_NULL_FIELD_CREATE, quda::QUDA_PROFILE_COMPUTE, quda::QUDA_PROFILE_D2H, quda::QUDA_PROFILE_FREE, quda::QUDA_PROFILE_H2D, quda::QUDA_PROFILE_INIT, quda::QUDA_PROFILE_TOTAL, QUDA_RECONSTRUCT_10, QUDA_RECONSTRUCT_NO, QUDA_SU3_LINKS, QUDA_TIFR_GAUGE_ORDER, QUDA_TIFR_PADDED_GAUGE_ORDER, quda::GaugeFieldParam::reconstruct, QudaGaugeParam_s::reconstruct, QudaGaugeParam_s::return_result_gauge, quda::GaugeFieldParam::site_offset, quda::GaugeFieldParam::site_size, QudaGaugeParam_s::site_size, quda::updateGaugeField(), QudaGaugeParam_s::use_resident_gauge, and QudaGaugeParam_s::use_resident_mom.

Referenced by update_gauge_field_quda_().

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updateMultigridQuda()

void updateMultigridQuda	(	void *	mg_instance,
		QudaMultigridParam *	param
	)

Updates the multigrid preconditioner for the new gauge / clover field.

Parameters

mg_instance	Pointer to instance of multigrid_solver
param	Contains all metadata regarding host and device storage and solver parameters

Definition at line 2645 of file interface_quda.cpp.

References checkGauge(), quda::Dirac::create(), getVerbosity(), QudaMultigridParam_s::invert_param, quda::multigrid_solver::mg, param, popVerbosity(), printfQuda, profileInvert, profilerStart(), profilerStop(), pushVerbosity(), QUDA_DIRECT_PC_SOLVE, QUDA_NORMOP_PC_SOLVE, quda::QUDA_PROFILE_PREAMBLE, quda::QUDA_PROFILE_TOTAL, QUDA_SUMMARIZE, quda::MG::reset(), quda::saveTuneCache(), quda::setDiracPreParam(), quda::setDiracSloppyParam(), setOutputPrefix(), QudaMultigridParam_s::smoother_solve_type, QudaInvertParam_s::solve_type, and QudaInvertParam_s::verbosity.

Referenced by main().

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updateR()

void updateR

(

)

update the radius for halos.

This should only be needed for automated testing when different partitioning is applied within a single run.

Definition at line 674 of file interface_quda.cpp.

References commDimPartitioned(), R, and redundant_comms.

Referenced by quda::CG::blocksolve(), quda::CG::operator()(), quda::PreconCG::operator()(), quda::BiCGstab::operator()(), quda::MultiShiftCG::operator()(), quda::reliable(), quda::CACG::reliable(), StaggeredDslashTest::SetUp(), and DslashTest::SetUp().

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