gpu_moments.cpp File Reference

#include <phiprof.hpp>
#include "gpu_moments.h"
#include "vlasovmover.h"
#include "../object_wrapper.h"
#include "../fieldsolver/fs_common.h"
#include "../arch/gpu_base.hpp"

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Functions
__global__ void	__launch_bounds__ (WID3) first_moments_kernel(const vmesh
void	gpu_calculateMoments_R (dccrg::Dccrg< SpatialCell, dccrg::Cartesian_Geometry > &mpiGrid, const std::vector< CellID > &cells_in, const bool computeSecond, const bool initialCompute)
void	gpu_calculateMoments_V (dccrg::Dccrg< SpatialCell, dccrg::Cartesian_Geometry > &mpiGrid, const std::vector< CellID > &cells_in, const bool computeSecond, const bool initialCompute)

Function Documentation

__launch_bounds__()

__global__ void __launch_bounds__

(

WID3

)

const

GPU kernel for calculating first velocity moments from provided velocity block containers

GPU kernel for calculating second velocity moments from provided velocity block containers

Definition at line 36 of file gpu_moments.cpp.

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gpu_calculateMoments_R()

void gpu_calculateMoments_R	(	dccrg::Dccrg< SpatialCell, dccrg::Cartesian_Geometry > &	mpiGrid,
		const std::vector< CellID > &	cells_in,
		const bool	computeSecond,
		const bool	initialCompute )

Note: there is no single-cell GPU-only version of moments calculations, (calculateCellMoments) as that task is achieved through the ARCH-interface with no performance loss. Calculate zeroth, first, and (possibly) second bulk velocity moments for the given spatial cell. The calculated moments include contributions from all existing particle populations. The calculated moments are stored to SpatialCell::parameters in _R variables.

Parameters

mpiGrid	Parallel grid library.
cells	Vector containing the spatial cells to be calculated.
computeSecond	If true, second velocity moments are calculated.
initialCompute	If true, force re-calculation of outflow L1 sysboundary cell moments. (otherwise skipped as their VDF contents are not kept up to date)

Definition at line 249 of file gpu_moments.cpp.

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gpu_calculateMoments_V()

void gpu_calculateMoments_V	(	dccrg::Dccrg< SpatialCell, dccrg::Cartesian_Geometry > &	mpiGrid,
		const std::vector< CellID > &	cells_in,
		const bool	computeSecond,
		const bool	initialCompute )

Calculate zeroth, first, and (possibly) second bulk velocity moments for the given spatial cell. The calculated moments include contributions from all existing particle populations. The calculated moments are stored to SpatialCell::parameters in _V variables.

Parameters

mpiGrid	Parallel grid library.
cells	Vector containing the spatial cells to be calculated.
computeSecond	If true, second velocity moments are calculated.
initialCompute	If true, force re-calculation of outflow L1 sysboundary cell moments. (otherwise skipped as their VDF contents are not kept up to date)

Definition at line 469 of file gpu_moments.cpp.

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