Storage of the accumulated wisdom in the simulation. More...

Collaboration diagram for OpenPSTD::Kernel::WisdomCache:

Classes
struct	Discretization
	Storage of the wave number discretizations. More...

struct	Planset_FFTW
	Storage of the plans used in the Fast Fourier Transform. More...

Public Member Functions
Discretization	get_discretization (float dx, int N)
	Obtain the discretization for the given grid size and number of grid points. More...

Planset_FFTW	get_fftw_planset (int fft_length, int fft_batch_size)
	Obtain an FFTW plan for the given fft length and batch size. More...

	WisdomCache ()
	Initializer for the cache. More...

Public Attributes
std::map< int, Discretization >	computed_discretization

std::map< std::string, Planset_FFTW >	cached_fftw_plans

Detailed Description

Storage of the accumulated wisdom in the simulation.

Purpose: Discretize wave numbers dynamically, and optimize them for FFT computations. Also contains the plans for FFTW.

Constructor & Destructor Documentation

OpenPSTD::Kernel::WisdomCache::WisdomCache ( )

Initializer for the cache.

Initialize only a single instance to optimize computations.

WisdomCache::Discretization OpenPSTD::Kernel::WisdomCache::get_discretization	(	float	dx,
		int	N
	)

Obtain the discretization for the given grid size and number of grid points.

If discretization is unknown, it is computed and stored for future reference.

Parameters

dx	grid size
N	number of grid points

WisdomCache::Planset_FFTW OpenPSTD::Kernel::WisdomCache::get_fftw_planset	(	int	fft_length,
		int	fft_batch_size
	)

Obtain an FFTW plan for the given fft length and batch size.

If the plan does not exist yet, it is created and cached.

Parameters

fft_length	Length of the planned FFT
fft_batch_size	Batch size of the planned FFT

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