P3MFFT< FloatType, Architecture, FFTConfig > Class Template Reference

FFT manager. More...

#include <P3MFFT.hpp>

Public Types
using	OutputType = typename heffte::fft_output< FloatType >::type
using	backend = std::conditional_t< Architecture==Arch::CPU, heffte::backend::fftw, heffte::backend::cufft >
template<class T = OutputType>
using	buffer_container = heffte::fft3d< backend >::template buffer_container< T >

Public Member Functions
	~P3MFFT ()
	P3MFFT (stream_type gpu_stream, boost::mpi::communicator comm, Utils::Vector3i const &global_mesh, Utils::Vector3i const &rs_local_ld_index, Utils::Vector3i const &rs_local_ur_index, Utils::Vector3i const &node_grid)
Utils::Vector3i	ks_local_ld_index () const
Utils::Vector3i	ks_local_ur_index () const
Utils::Vector3i	ks_local_size () const
Utils::Vector3i	rs_local_size () const
void	forward (auto &&in, auto &&out)
void	backward (auto &&in, auto &&out)

Detailed Description

template<typename FloatType, Arch Architecture, class FFTConfig>
class P3MFFT< FloatType, Architecture, FFTConfig >

FFT manager.

Definition at line 48 of file P3MFFT.hpp.

Member Typedef Documentation

backend

template<typename FloatType , Arch Architecture, class FFTConfig >

using P3MFFT< FloatType, Architecture, FFTConfig >::backend = std::conditional_t<Architecture == Arch::CPU, heffte::backend::fftw, heffte::backend::cufft>

Definition at line 51 of file P3MFFT.hpp.

buffer_container

template<typename FloatType , Arch Architecture, class FFTConfig >

template<class T = OutputType>

using P3MFFT< FloatType, Architecture, FFTConfig >::buffer_container = heffte::fft3d<backend>::template buffer_container<T>

Definition at line 55 of file P3MFFT.hpp.

OutputType

template<typename FloatType , Arch Architecture, class FFTConfig >

using P3MFFT< FloatType, Architecture, FFTConfig >::OutputType = typename heffte::fft_output<FloatType>::type

Definition at line 50 of file P3MFFT.hpp.

Constructor & Destructor Documentation

~P3MFFT()

template<typename FloatType , Arch Architecture, class FFTConfig >

P3MFFT< FloatType, Architecture, FFTConfig >::~P3MFFT ( )

inline

Definition at line 83 of file P3MFFT.hpp.

P3MFFT()

template<typename FloatType , Arch Architecture, class FFTConfig >

P3MFFT< FloatType, Architecture, FFTConfig >::P3MFFT ( stream_type  gpu_stream, boost::mpi::communicator  comm, Utils::Vector3i const &  global_mesh, Utils::Vector3i const &  rs_local_ld_index, Utils::Vector3i const &  rs_local_ur_index, Utils::Vector3i const &  node_grid  )

inline

Definition at line 87 of file P3MFFT.hpp.

References Utils::Vector< T, N >::broadcast(), communication_environment, CUDA, fe_trap::make_shared_pause_scoped(), Utils::product(), Utils::ROW_MAJOR, and stream.

Member Function Documentation

backward()

template<typename FloatType , Arch Architecture, class FFTConfig >

void P3MFFT< FloatType, Architecture, FFTConfig >::backward ( auto &&  in, auto &&  out  )

inline

Definition at line 187 of file P3MFFT.hpp.

References stream.

Referenced by P3MFFTHeffte< FloatType, FFTConfig >::backward().

forward()

template<typename FloatType , Arch Architecture, class FFTConfig >

void P3MFFT< FloatType, Architecture, FFTConfig >::forward ( auto &&  in, auto &&  out  )

inline

Definition at line 184 of file P3MFFT.hpp.

References stream.

Referenced by P3MFFTHeffte< FloatType, FFTConfig >::forward().

ks_local_ld_index()

template<typename FloatType , Arch Architecture, class FFTConfig >

Utils::Vector3i P3MFFT< FloatType, Architecture, FFTConfig >::ks_local_ld_index ( ) const

inline

Definition at line 171 of file P3MFFT.hpp.

Referenced by P3MFFTHeffte< FloatType, FFTConfig >::ks_local_ld_index(), and P3MFFT< FloatType, Architecture, FFTConfig >::ks_local_size().

ks_local_size()

template<typename FloatType , Arch Architecture, class FFTConfig >

Utils::Vector3i P3MFFT< FloatType, Architecture, FFTConfig >::ks_local_size ( ) const

inline

Definition at line 177 of file P3MFFT.hpp.

References P3MFFT< FloatType, Architecture, FFTConfig >::ks_local_ld_index(), and P3MFFT< FloatType, Architecture, FFTConfig >::ks_local_ur_index().

Referenced by P3MFFTHeffte< FloatType, FFTConfig >::ks_local_size().

ks_local_ur_index()

template<typename FloatType , Arch Architecture, class FFTConfig >

Utils::Vector3i P3MFFT< FloatType, Architecture, FFTConfig >::ks_local_ur_index ( ) const

inline

Definition at line 174 of file P3MFFT.hpp.

References Utils::Vector< T, N >::broadcast().

Referenced by P3MFFT< FloatType, Architecture, FFTConfig >::ks_local_size(), and P3MFFTHeffte< FloatType, FFTConfig >::ks_local_ur_index().

rs_local_size()

template<typename FloatType , Arch Architecture, class FFTConfig >

Utils::Vector3i P3MFFT< FloatType, Architecture, FFTConfig >::rs_local_size ( ) const

inline

Definition at line 180 of file P3MFFT.hpp.

References Utils::Vector< T, N >::broadcast().

Referenced by P3MFFTHeffte< FloatType, FFTConfig >::rs_local_size().

---

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

• p3m.impl.hpp
• P3MFFT.hpp