cs_array_cuda.h File Reference

#include <string.h>
#include "base/cs_defs.h"
#include "base/cs_base_cuda.h"

Include dependency graph for cs_array_cuda.h:

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Functions
template<typename T, size_t stride>
__global__ void	cuda_kernel_set_value (cs_lnum_t n, const T ref_val, const int size_arrs, T **array_ptrs)
template<typename T, size_t stride>
__global__ void	cuda_kernel_set_value (cs_lnum_t n, const T *ref_val, const int size_arrs, T **array_ptrs)
template<typename T, size_t stride, typename... Arrays>
void	cs_arrays_set_value (cudaStream_t stream, const cs_lnum_t n_elts, const T *ref_val, Arrays &&... arrays)
	Assign values to all elements of multiple arrays. ref_val is input as a pointer or an array.
template<typename T, size_t stride, typename... Arrays>
void	cs_arrays_set_value (cudaStream_t stream, const cs_lnum_t n_elts, const T ref_val, Arrays &&... arrays)
	Assign values to all elements of multiple arrays. ref_val is input as a scalar value.
template<typename T>
void	cs_array_copy (cudaStream_t stream, const cs_lnum_t size, const T *src, T *dest)
	Copy values from an array to another of the same dimensions.

Function Documentation

cs_array_copy()

template<typename T>

void cs_array_copy	(	cudaStream_t	stream,
		const cs_lnum_t	size,
		const T *	src,
		T *	dest )

Copy values from an array to another of the same dimensions.

Template parmeters. T type name

Parameters

[in]	stream	cuda stream used for the operation
[in]	size	number of elements * dimension
[in]	src	source array values
[out]	dest	destination array values

cs_arrays_set_value() [1/2]

template<typename T, size_t stride, typename... Arrays>

void cs_arrays_set_value	(	cudaStream_t	stream,
		const cs_lnum_t	n_elts,
		const T *	ref_val,
		Arrays &&...	arrays )

Assign values to all elements of multiple arrays. ref_val is input as a pointer or an array.

Template parmeters. T type name stride 1 for scalars, 3 for vectors, 6 for symetric tensors Arrays varadiac parameters pack

Function parameters:

Parameters

[in]	stream	cuda stream used for the operation
[in]	n_elts	total number of elements to set
[in]	ref_val	value to assign
[out]	arrays	arrays to set

cs_arrays_set_value() [2/2]

template<typename T, size_t stride, typename... Arrays>

void cs_arrays_set_value	(	cudaStream_t	stream,
		const cs_lnum_t	n_elts,
		const T	ref_val,
		Arrays &&...	arrays )

Assign values to all elements of multiple arrays. ref_val is input as a scalar value.

Template parmeters. T type name stride 1 for scalars, 3 for vectors, 6 for symetric tensors Arrays varadiac parameters pack

Function parameters:

Parameters

[in]	stream	cuda stream used for the operation
[in]	n_elts	total number of elements to set
[in]	ref_val	value to assign
[out]	arrays	arrays to set

cuda_kernel_set_value() [1/2]

template<typename T, size_t stride>

__global__ void cuda_kernel_set_value	(	cs_lnum_t	n,
		const T *	ref_val,
		const int	size_arrs,
		T **	array_ptrs )

cuda_kernel_set_value() [2/2]

template<typename T, size_t stride>

__global__ void cuda_kernel_set_value	(	cs_lnum_t	n,
		const T	ref_val,
		const int	size_arrs,
		T **	array_ptrs )