g1p_fft.cu File Reference

#include <stdio.h>
#include "g1.cuh"
#include "fk20.cuh"

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Functions
__device__ void	g1p_fft (g1p_t *output, const g1p_t *input)
	FFT of size 512 over G1 with projective coordinates. Input and output arrays may overlap. This function must be called with 256 threads per block, i.e. dim3(256,1,1). No interleaving of data for different FFTs. More...
__device__ void	g1p_ift (g1p_t *output, const g1p_t *input)
	Inverse FFT of size 512 over G1 with projective coordinates. Input and output arrays may overlap. This function must be called with 256 threads per block, i.e. dim3(256,1,1). No interleaving of data for different FFTs. More...
__global__ void	g1p_fft_wrapper (g1p_t *output, const g1p_t *input)
	wrapper for g1p_fft: FFT for arrays of g1p_t with length 512 More...
__global__ void	g1p_ift_wrapper (g1p_t *output, const g1p_t *input)
	wrapper for g1p_ift: inverse FFT for arrays of g1p_t with length 512 More...

Variables
__shared__ g1p_t	g1p_tmp []

Function Documentation

g1p_fft()

__device__ void g1p_fft	(	g1p_t *	output,
		const g1p_t *	input
	)

FFT of size 512 over G1 with projective coordinates. Input and output arrays may overlap. This function must be called with 256 threads per block, i.e. dim3(256,1,1). No interleaving of data for different FFTs.

Parameters

[out]	output	pointer to 512 elements array of g1p_t
[in]	input	pointer to 512 elements array of g1p_t

Returns

void

Definition at line 24 of file g1p_fft.cu.

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g1p_fft_wrapper()

__global__ void g1p_fft_wrapper	(	g1p_t *	output,
		const g1p_t *	input
	)

wrapper for g1p_fft: FFT for arrays of g1p_t with length 512

Executes an FFT over many arrays of arrays of g1p_t with length 512. One array per block. input and output can overlap without side effects. There is no interleaving of data for different FFTs.

Parameters

[out]	output	pointer to 512*blocksize elements array of g1p_t
[in]	input	pointer to 512*blocksize elements array of g1p_t

Returns

void

Definition at line 336 of file g1p_fft.cu.

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g1p_ift()

__device__ void g1p_ift	(	g1p_t *	output,
		const g1p_t *	input
	)

Inverse FFT of size 512 over G1 with projective coordinates. Input and output arrays may overlap. This function must be called with 256 threads per block, i.e. dim3(256,1,1). No interleaving of data for different FFTs.

Parameters

[out]	output	pointer to 512 elements array of g1p_t
[in]	input	pointer to 512 elements array of g1p_t

Returns

void

Definition at line 178 of file g1p_fft.cu.

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g1p_ift_wrapper()

__global__ void g1p_ift_wrapper	(	g1p_t *	output,
		const g1p_t *	input
	)

wrapper for g1p_ift: inverse FFT for arrays of g1p_t with length 512

Executes an Inverse FFT over many arrays of arrays of g1p_t with length 512. One array per block. input and output can overlap without side effects. There is no interleaving of data for different FFTs.

Parameters

[out]	output	pointer to 512*blocksize elements array of g1p_t
[in]	input	pointer to 512*blocksize elements array of g1p_t

Returns

void

Definition at line 349 of file g1p_fft.cu.

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Variable Documentation

g1p_tmp

__shared__ g1p_t g1p_tmp[]

extern