#include <fft_cuda.h>

Inheritance diagram for ModulePW::FFT_CUDA< FPTYPE >:

Collaboration diagram for ModulePW::FFT_CUDA< FPTYPE >:

Public Member Functions
	FFT_CUDA ()

	~FFT_CUDA ()

void	setupFFT () override
	Setup the fft plan and data as pure virtual function.

void	clear () override
	Clear the fft data as pure virtual function.

void	cleanFFT () override
	Clean the fft plan as pure virtual function.

void	initfft (int nx_in, int ny_in, int nz_in) override
	Initialize the fft parameters.

std::complex< FPTYPE > *	get_auxr_3d_data () const override
	Get the real space data.

void	fft3D_forward (std::complex< FPTYPE > in, std::complex< FPTYPE > out) const override
	Forward FFT in 3D.

void	fft3D_backward (std::complex< FPTYPE > in, std::complex< FPTYPE > out) const override
	Backward FFT in 3D.

void	setupFFT ()
	Setup the fft plan and data as pure virtual function.

void	setupFFT ()
	Setup the fft plan and data as pure virtual function.

void	cleanFFT ()
	Clean the fft plan as pure virtual function.

void	cleanFFT ()
	Clean the fft plan as pure virtual function.

void	clear ()
	Clear the fft data as pure virtual function.

void	clear ()
	Clear the fft data as pure virtual function.

void	fft3D_forward (std::complex< float > in, std::complex< float > out) const

void	fft3D_forward (std::complex< double > in, std::complex< double > out) const

void	fft3D_backward (std::complex< float > in, std::complex< float > out) const

void	fft3D_backward (std::complex< double > in, std::complex< double > out) const

std::complex< float > *	get_auxr_3d_data () const

std::complex< double > *	get_auxr_3d_data () const

Public Member Functions inherited from ModulePW::FFT_BASE< FPTYPE >
	FFT_BASE ()

virtual	~FFT_BASE ()

virtual	__attribute__ ((weak)) void initfft(int nx_in
	Initialize the fft parameters as virtual function.

virtual	__attribute__ ((weak)) void initfft(int nx_in

virtual void	resource_handler (const int flag) const
	Allocate and destory the resoure in FFT running time, Now it only used in the DSP mode.

virtual	__attribute__ ((weak)) FPTYPE *get_rspace_data() const
	Get the real space data in cpu-like fft.

virtual virtual __attribute__((weak)) std virtual __attribute__((weak)) std virtual __attribute__((weak)) std virtual __attribute__((weak)) void fftxyfor(std virtual __attribute__((weak)) void fftxybac(std virtual __attribute__((weak)) void fftzfor(std virtual __attribute__((weak)) void fftzbac(std	__attribute__ ((weak)) void fftxyr2c(FPTYPE *in
	Get the auxiliary real space data in 3D.

Private Attributes
cufftHandle	c_handle = {}

cufftHandle	z_handle = {}

std::complex< float > *	c_auxr_3d = nullptr

std::complex< double > *	z_auxr_3d = nullptr

Additional Inherited Members
Public Attributes inherited from ModulePW::FFT_BASE< FPTYPE >
virtual int	ny_in

virtual int int	nz_in

virtual int int int	lixy_in

virtual int int int int	rixy_in

virtual int int int int int	ns_in

virtual int int int int int int	nplane_in

virtual int int int int int int int	nproc_in

virtual int int int int int int int bool	gamma_only_in

virtual int int int int int int int bool bool	xprime_in = true)

virtual virtual __attribute__((weak)) std virtual __attribute__((weak)) std virtual __attribute__((weak)) std virtual __attribute__((weak)) void fftxyfor(std virtual __attribute__((weak)) void fftxybac(std virtual __attribute__((weak)) void fftzfor(std virtual __attribute__((weak)) void fftzbac(std std::complex< FPTYPE > *out	const

Protected Attributes inherited from ModulePW::FFT_BASE< FPTYPE >
int	nx = 0
	Forward FFT in 3D.

int	ny = 0

int	nz = 0

Constructor & Destructor Documentation

◆ FFT_CUDA()

template<typename FPTYPE >

template ModulePW::FFT_CUDA< FPTYPE >::FFT_CUDA ( )

inline

◆ ~FFT_CUDA()

template<typename FPTYPE >

template ModulePW::FFT_CUDA< FPTYPE >::~FFT_CUDA ( )

inline

Member Function Documentation

◆ cleanFFT() [1/3]

void ModulePW::FFT_CUDA< float >::cleanFFT ( )

virtual

Clean the fft plan as pure virtual function.

The function is set as pure virtual function.In order to override the function in the derived class.In the derived class, the function is used to clean the fft plan.

Implements ModulePW::FFT_BASE< FPTYPE >.

◆ cleanFFT() [2/3]

void ModulePW::FFT_CUDA< double >::cleanFFT ( )

virtual

Clean the fft plan as pure virtual function.

The function is set as pure virtual function.In order to override the function in the derived class.In the derived class, the function is used to clean the fft plan.

Implements ModulePW::FFT_BASE< FPTYPE >.

◆ cleanFFT() [3/3]

template<typename FPTYPE >

void ModulePW::FFT_CUDA< FPTYPE >::cleanFFT ( )

overridevirtual

Clean the fft plan as pure virtual function.

The function is set as pure virtual function.In order to override the function in the derived class.In the derived class, the function is used to clean the fft plan.

Implements ModulePW::FFT_BASE< FPTYPE >.

◆ clear() [1/3]

void ModulePW::FFT_CUDA< float >::clear ( )

virtual

Clear the fft data as pure virtual function.

The function is set as pure virtual function.In order to override the function in the derived class.In the derived class, the function is used to clear the fft data.

Implements ModulePW::FFT_BASE< FPTYPE >.

◆ clear() [2/3]

void ModulePW::FFT_CUDA< double >::clear ( )

virtual

Clear the fft data as pure virtual function.

The function is set as pure virtual function.In order to override the function in the derived class.In the derived class, the function is used to clear the fft data.

Implements ModulePW::FFT_BASE< FPTYPE >.

◆ clear() [3/3]

template<typename FPTYPE >

void ModulePW::FFT_CUDA< FPTYPE >::clear ( )

overridevirtual

Clear the fft data as pure virtual function.

The function is set as pure virtual function.In order to override the function in the derived class.In the derived class, the function is used to clear the fft data.

Implements ModulePW::FFT_BASE< FPTYPE >.

◆ fft3D_backward() [1/3]

void ModulePW::FFT_CUDA< double >::fft3D_backward	(	std::complex< double > *	in,
		std::complex< double > *	out
	)		const

◆ fft3D_backward() [2/3]

void ModulePW::FFT_CUDA< float >::fft3D_backward	(	std::complex< float > *	in,
		std::complex< float > *	out
	)		const

◆ fft3D_backward() [3/3]

template<typename FPTYPE >

void ModulePW::FFT_CUDA< FPTYPE >::fft3D_backward	(	std::complex< FPTYPE > *	in,
		std::complex< FPTYPE > *	out
	)		const

override

Backward FFT in 3D.

Parameters

in	input data, complex FPTYPE
out	output data, complex FPTYPE

This function performs the backward FFT in 3D.

◆ fft3D_forward() [1/3]

void ModulePW::FFT_CUDA< double >::fft3D_forward	(	std::complex< double > *	in,
		std::complex< double > *	out
	)		const

◆ fft3D_forward() [2/3]

void ModulePW::FFT_CUDA< float >::fft3D_forward	(	std::complex< float > *	in,
		std::complex< float > *	out
	)		const

◆ fft3D_forward() [3/3]

template<typename FPTYPE >

void ModulePW::FFT_CUDA< FPTYPE >::fft3D_forward	(	std::complex< FPTYPE > *	in,
		std::complex< FPTYPE > *	out
	)		const

override

Forward FFT in 3D.

Parameters

in	input data, complex FPTYPE
out	output data, complex FPTYPE

This function performs the forward FFT in 3D.

◆ get_auxr_3d_data() [1/3]

std::complex< float > * ModulePW::FFT_CUDA< float >::get_auxr_3d_data ( ) const

◆ get_auxr_3d_data() [2/3]

std::complex< double > * ModulePW::FFT_CUDA< double >::get_auxr_3d_data ( ) const

◆ get_auxr_3d_data() [3/3]

template<typename FPTYPE >

std::complex< FPTYPE > * ModulePW::FFT_CUDA< FPTYPE >::get_auxr_3d_data ( ) const

override

Get the real space data.

Returns: real space data

◆ initfft()

template<typename FPTYPE >

void ModulePW::FFT_CUDA< FPTYPE >::initfft	(	int	nx_in,
		int	ny_in,
		int	nz_in
	)

override

Initialize the fft parameters.

Parameters

nx_in	number of grid points in x direction
ny_in	number of grid points in y direction
nz_in	number of grid points in z direction

◆ setupFFT() [1/3]

void ModulePW::FFT_CUDA< float >::setupFFT ( )

virtual

Setup the fft plan and data as pure virtual function.

The function is set as pure virtual function.In order to override the function in the derived class.In the derived class, the function is used to setup the fft plan and data.

Implements ModulePW::FFT_BASE< FPTYPE >.

◆ setupFFT() [2/3]

void ModulePW::FFT_CUDA< double >::setupFFT ( )

virtual

Setup the fft plan and data as pure virtual function.

The function is set as pure virtual function.In order to override the function in the derived class.In the derived class, the function is used to setup the fft plan and data.

Implements ModulePW::FFT_BASE< FPTYPE >.

◆ setupFFT() [3/3]

template<typename FPTYPE >

void ModulePW::FFT_CUDA< FPTYPE >::setupFFT ( )

overridevirtual

Setup the fft plan and data as pure virtual function.

The function is set as pure virtual function.In order to override the function in the derived class.In the derived class, the function is used to setup the fft plan and data.

Implements ModulePW::FFT_BASE< FPTYPE >.

Member Data Documentation

◆ c_auxr_3d

template<typename FPTYPE >

std::complex<float>* ModulePW::FFT_CUDA< FPTYPE >::c_auxr_3d = nullptr

private

◆ c_handle

template<typename FPTYPE >

cufftHandle ModulePW::FFT_CUDA< FPTYPE >::c_handle = {}

private

◆ z_auxr_3d

template<typename FPTYPE >

std::complex<double>* ModulePW::FFT_CUDA< FPTYPE >::z_auxr_3d = nullptr

private

◆ z_handle

template<typename FPTYPE >

cufftHandle ModulePW::FFT_CUDA< FPTYPE >::z_handle = {}

private

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

/home/runner/work/abacus-develop/abacus-develop/source/source_basis/module_pw/module_fft/fft_cuda.h
/home/runner/work/abacus-develop/abacus-develop/source/source_basis/module_pw/module_fft/fft_cuda.cpp

Public Member Functions

Private Attributes

Additional Inherited Members

Constructor & Destructor Documentation

◆ FFT_CUDA()

◆ ~FFT_CUDA()

Member Function Documentation

◆ cleanFFT() [1/3]

◆ cleanFFT() [2/3]

◆ cleanFFT() [3/3]

◆ clear() [1/3]

◆ clear() [2/3]

◆ clear() [3/3]

◆ fft3D_backward() [1/3]

◆ fft3D_backward() [2/3]

◆ fft3D_backward() [3/3]

◆ fft3D_forward() [1/3]

◆ fft3D_forward() [2/3]

◆ fft3D_forward() [3/3]

◆ get_auxr_3d_data() [1/3]

◆ get_auxr_3d_data() [2/3]

◆ get_auxr_3d_data() [3/3]

◆ initfft()

◆ setupFFT() [1/3]

◆ setupFFT() [2/3]

◆ setupFFT() [3/3]

Member Data Documentation

◆ c_auxr_3d

◆ c_handle

◆ z_auxr_3d

◆ z_handle