operators.h File Reference

File to hold all operators for finding fields on the GPU. More...

#include "../include/ds.h"
#include "../include/constants.h"
#include <sys/stat.h>
#include <unordered_map>

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Functions
double *	curl2d (Grid &par, double *Ax, double *Ay)
	Finds Bz, the curl of the gauge field. More...
double *	curl3d_x (Grid &par, double *Ax, double *Ay, double *Az)
	Finds Bx, the curl of the gauge field. More...
double *	curl3d_y (Grid &par, double *Ax, double *Ay, double *Az)
	Finds By, the curl of the gauge field. More...
double *	curl3d_z (Grid &par, double *Ax, double *Ay, double *Az)
	Finds Bz, the curl of the gauge field. More...
double *	curl3d_r (Grid &par, double *Bx, double *By)
	Finds Br, the curl of the gauge field. More...
double *	curl3d_phi (Grid &par, double *Bx, double *By)
	Finds Bphi, the curl of the gauge field. More...
std::string	filecheck (std::string filename)
	Determines if file exists, requests new file if it does not. More...
void	file_A (std::string filename, double *A, double omega)
	Reads A from file. More...
void	generate_p_space (Grid &par)
	Function to generate momentum grids. More...
void	generate_K (Grid &par)
	This function calls the appropriate K kernel. More...
__global__ void	simple_K (double *xp, double *yp, double *zp, double mass, double *K)
	Simple kernel for generating K. More...
void	generate_gauge (Grid &par)
	Function to generate game fields. More...
__global__ void	kconstant_A (double *x, double *y, double *z, double xMax, double yMax, double zMax, double omegaX, double omegaY, double omegaZ, double omega, double fudge, double *A)
	constant Kernel A More...
__global__ void	krotation_Ax (double *x, double *y, double *z, double xMax, double yMax, double zMax, double omegaX, double omegaY, double omegaZ, double omega, double fudge, double *A)
	Kernel for simple rotational case, Ax. More...
__global__ void	krotation_Ay (double *x, double *y, double *z, double xMax, double yMax, double zMax, double omegaX, double omegaY, double omegaZ, double omega, double fudge, double *A)
	Kernel for simple rotational case, Ay. More...
__global__ void	kring_rotation_Ax (double *x, double *y, double *z, double xMax, double yMax, double zMax, double omegaX, double omegaY, double omegaZ, double omega, double fudge, double *A)
	Kernel for simple triangular lattice of rings, Ax. More...
__global__ void	kring_rotation_Ay (double *x, double *y, double *z, double xMax, double yMax, double zMax, double omegaX, double omegaY, double omegaZ, double omega, double fudge, double *A)
	Kernel for simple triangular lattice of rings, Ay. More...
__global__ void	kring_rotation_Az (double *x, double *y, double *z, double xMax, double yMax, double zMax, double omegaX, double omegaY, double omegaZ, double omega, double fudge, double *A)
	Kernel for simple triangular lattice of rings, Az. More...
__global__ void	ktest_Ay (double *x, double *y, double *z, double xMax, double yMax, double zMax, double omegaX, double omegaY, double omegaZ, double omega, double fudge, double *A)
	Kernel for testing Ay. More...
__global__ void	ktest_Ax (double *x, double *y, double *z, double xMax, double yMax, double zMax, double omegaX, double omegaY, double omegaZ, double omega, double fudge, double *A)
	Kernel for testing Ax. More...
__global__ void	kring_Az (double *x, double *y, double *z, double xMax, double yMax, double zMax, double omegaX, double omegaY, double omegaZ, double omega, double fudge, double *A)
	Kernel for testing Az. More...
void	generate_fields (Grid &par)
	Function to generate V. More...
__global__ void	kharmonic_V (double *x, double *y, double *z, double *items, double *Ax, double *Ay, double *Az, double *V)
	Kernel to generate harmonic V. More...
__global__ void	ktorus_V (double *x, double *y, double *z, double *items, double *Ax, double *Ay, double *Az, double *V)
	Kernel to generate toroidal V (3d) More...
__global__ void	kstd_wfc (double *x, double *y, double *z, double *items, double winding, double *phi, double2 *wfc)
	Kernel to generate simple gaussian wavefunction. More...
__global__ void	ktorus_wfc (double *x, double *y, double *z, double *items, double winding, double *phi, double2 *wfc)
	Kernel to generate toroidal wavefunction. More...
__global__ void	aux_fields (double *V, double *K, double gdt, double dt, double *Ax, double *Ay, double *Az, double *px, double *py, double *pz, double *pAx, double *pAy, double *pAz, double2 *GV, double2 *EV, double2 *GK, double2 *EK, double2 *GpAx, double2 *GpAy, double2 *GpAz, double2 *EpAx, double2 *EpAy, double2 *EpAz)
	Kernel to generate all auxiliary fields. More...
void	generate_grid (Grid &par)

Detailed Description

File to hold all operators for finding fields on the GPU.

Author

James R. Schloss (Leios)

Date

1/1/2017

Version

0.1

DESCRIPTION

This file holds all operators for finding fields on the GPU

Definition in file operators.h.

Function Documentation

aux_fields()

__global__ void aux_fields	(	double *	V,
		double *	K,
		double	gdt,
		double	dt,
		double *	Ax,
		double *	Ay,
		double *	Az,
		double *	px,
		double *	py,
		double *	pz,
		double *	pAx,
		double *	pAy,
		double *	pAz,
		double2 *	GV,
		double2 *	EV,
		double2 *	GK,
		double2 *	EK,
		double2 *	GpAx,
		double2 *	GpAy,
		double2 *	GpAz,
		double2 *	EpAx,
		double2 *	EpAy,
		double2 *	EpAz
	)

Kernel to generate all auxiliary fields.

curl2d()

double* curl2d	(	Grid &	par,
		double *	Ax,
		double *	Ay
	)

Finds Bz, the curl of the gauge field.

Parameters

Grid	simulation data
gauge	field Ax
gauge	field Ay

Returns

Bz, the curl of A

curl3d_phi()

double* curl3d_phi	(	Grid &	par,
		double *	Bx,
		double *	By
	)

Finds Bphi, the curl of the gauge field.

Parameters

Grid	simulation data
gauge	field Ax
gauge	field Ay
gauge	field Az

Returns

Bphi, the curl of A

curl3d_r()

double* curl3d_r	(	Grid &	par,
		double *	Bx,
		double *	By
	)

Finds Br, the curl of the gauge field.

Parameters

Grid	simulation data
gauge	field Ax
gauge	field Ay
gauge	field Az

Returns

Br, the curl of A

curl3d_x()

double* curl3d_x	(	Grid &	par,
		double *	Ax,
		double *	Ay,
		double *	Az
	)

Finds Bx, the curl of the gauge field.

Parameters

Grid	simulation data
gauge	field Ax
gauge	field Ay
gauge	field Az

Returns

Bx, the curl of A

curl3d_y()

double* curl3d_y	(	Grid &	par,
		double *	Ax,
		double *	Ay,
		double *	Az
	)

Finds By, the curl of the gauge field.

Parameters

Grid	simulation data
gauge	field Ax
gauge	field Ay
gauge	field Az

Returns

By, the curl of A

curl3d_z()

double* curl3d_z	(	Grid &	par,
		double *	Ax,
		double *	Ay,
		double *	Az
	)

Finds Bz, the curl of the gauge field.

Parameters

Grid	simulation data
gauge	field Ax
gauge	field Ay
gauge	field Az

Returns

Bz, the curl of A

file_A()

void file_A	(	std::string	filename,
		double *	A,
		double	omega
	)

Reads A from file.

Parameters

filename
A	field array
omega	multiplicative constant

filecheck()

std::string filecheck

(

std::string

filename

)

Determines if file exists, requests new file if it does not.

generate_fields()

void generate_fields

(

Grid &

par

)

Function to generate V.

generate_gauge()

void generate_gauge

(

Grid &

par

)

Function to generate game fields.

generate_grid()

void generate_grid

(

Grid &

par

)

generate_K()

void generate_K

(

Grid &

par

)

This function calls the appropriate K kernel.

generate_p_space()

void generate_p_space

(

Grid &

par

)

Function to generate momentum grids.

kconstant_A()

__global__ void kconstant_A	(	double *	x,
		double *	y,
		double *	z,
		double	xMax,
		double	yMax,
		double	zMax,
		double	omegaX,
		double	omegaY,
		double	omegaZ,
		double	omega,
		double	fudge,
		double *	A
	)

constant Kernel A

kharmonic_V()

__global__ void kharmonic_V	(	double *	x,
		double *	y,
		double *	z,
		double *	items,
		double *	Ax,
		double *	Ay,
		double *	Az,
		double *	V
	)

Kernel to generate harmonic V.

kring_Az()

__global__ void kring_Az	(	double *	x,
		double *	y,
		double *	z,
		double	xMax,
		double	yMax,
		double	zMax,
		double	omegaX,
		double	omegaY,
		double	omegaZ,
		double	omega,
		double	fudge,
		double *	A
	)

Kernel for testing Az.

kring_rotation_Ax()

__global__ void kring_rotation_Ax	(	double *	x,
		double *	y,
		double *	z,
		double	xMax,
		double	yMax,
		double	zMax,
		double	omegaX,
		double	omegaY,
		double	omegaZ,
		double	omega,
		double	fudge,
		double *	A
	)

Kernel for simple triangular lattice of rings, Ax.

kring_rotation_Ay()

__global__ void kring_rotation_Ay	(	double *	x,
		double *	y,
		double *	z,
		double	xMax,
		double	yMax,
		double	zMax,
		double	omegaX,
		double	omegaY,
		double	omegaZ,
		double	omega,
		double	fudge,
		double *	A
	)

Kernel for simple triangular lattice of rings, Ay.

kring_rotation_Az()

__global__ void kring_rotation_Az	(	double *	x,
		double *	y,
		double *	z,
		double	xMax,
		double	yMax,
		double	zMax,
		double	omegaX,
		double	omegaY,
		double	omegaZ,
		double	omega,
		double	fudge,
		double *	A
	)

Kernel for simple triangular lattice of rings, Az.

krotation_Ax()

__global__ void krotation_Ax	(	double *	x,
		double *	y,
		double *	z,
		double	xMax,
		double	yMax,
		double	zMax,
		double	omegaX,
		double	omegaY,
		double	omegaZ,
		double	omega,
		double	fudge,
		double *	A
	)

Kernel for simple rotational case, Ax.

krotation_Ay()

__global__ void krotation_Ay	(	double *	x,
		double *	y,
		double *	z,
		double	xMax,
		double	yMax,
		double	zMax,
		double	omegaX,
		double	omegaY,
		double	omegaZ,
		double	omega,
		double	fudge,
		double *	A
	)

Kernel for simple rotational case, Ay.

kstd_wfc()

__global__ void kstd_wfc	(	double *	x,
		double *	y,
		double *	z,
		double *	items,
		double	winding,
		double *	phi,
		double2 *	wfc
	)

Kernel to generate simple gaussian wavefunction.

ktest_Ax()

__global__ void ktest_Ax	(	double *	x,
		double *	y,
		double *	z,
		double	xMax,
		double	yMax,
		double	zMax,
		double	omegaX,
		double	omegaY,
		double	omegaZ,
		double	omega,
		double	fudge,
		double *	A
	)

Kernel for testing Ax.

ktest_Ay()

__global__ void ktest_Ay	(	double *	x,
		double *	y,
		double *	z,
		double	xMax,
		double	yMax,
		double	zMax,
		double	omegaX,
		double	omegaY,
		double	omegaZ,
		double	omega,
		double	fudge,
		double *	A
	)

Kernel for testing Ay.

ktorus_V()

__global__ void ktorus_V	(	double *	x,
		double *	y,
		double *	z,
		double *	items,
		double *	Ax,
		double *	Ay,
		double *	Az,
		double *	V
	)

Kernel to generate toroidal V (3d)

ktorus_wfc()

__global__ void ktorus_wfc	(	double *	x,
		double *	y,
		double *	z,
		double *	items,
		double	winding,
		double *	phi,
		double2 *	wfc
	)

Kernel to generate toroidal wavefunction.

simple_K()

__global__ void simple_K	(	double *	xp,
		double *	yp,
		double *	zp,
		double	mass,
		double *	K
	)

Simple kernel for generating K.