heffte::backend::data_manipulator< tag::gpu > Struct Reference

Specialization for the data operations in CUDA mode. More...

#include <heffte_backend_cuda.h>

Public Types
using	stream_type = cudaStream_t
	The stream type for the device.
using	backend_device = backend::device_instance<tag::gpu>
	Defines the backend_device.
using	stream_type = sycl::queue&
	The stream type for the device.
using	backend_device = backend::device_instance<tag::gpu>
	Defines the backend_device.
using	stream_type = hipStream_t
	The stream type for the device.
using	backend_device = backend::device_instance<tag::gpu>
	Defines the backend_device.

Static Public Member Functions
template<typename scalar_type >
static scalar_type *	allocate (cudaStream_t, size_t num_entries)
	Allocate memory.
template<typename scalar_type >
static void	free (cudaStream_t, scalar_type *pntr)
	Free memory.
template<typename scalar_type >
static void	copy_n (cudaStream_t stream, scalar_type const source[], size_t num_entries, scalar_type destination[])
	Equivalent to std::copy_n() but using CUDA arrays.
template<typename scalar_type >
static void	copy_n (cudaStream_t stream, std::complex< scalar_type > const source[], size_t num_entries, scalar_type destination[])
	Copy-convert complex-to-real.
template<typename scalar_type >
static void	copy_n (cudaStream_t stream, scalar_type const source[], size_t num_entries, std::complex< scalar_type > destination[])
	Copy-convert real-to-complex.
template<typename scalar_type >
static void	copy_device_to_host (cudaStream_t stream, scalar_type const source[], size_t num_entries, scalar_type destination[])
	Copy the date from the device to the host.
template<typename scalar_type >
static void	copy_device_to_device (cudaStream_t stream, scalar_type const source[], size_t num_entries, scalar_type destination[])
	Copy the date from the device to the device.
template<typename scalar_type >
static void	copy_host_to_device (cudaStream_t stream, scalar_type const source[], size_t num_entries, scalar_type destination[])
	Copy the date from the host to the device.
template<typename scalar_type >
static scalar_type *	allocate (sycl::queue &stream, size_t num_entries)
	Allocate memory.
template<typename scalar_type >
static void	free (sycl::queue &stream, scalar_type *pntr)
	Free memory.
template<typename scalar_type >
static void	copy_n (sycl::queue &stream, scalar_type const source[], size_t num_entries, scalar_type destination[])
	Equivalent to std::copy_n() but using CUDA arrays.
template<typename scalar_type >
static void	copy_n (sycl::queue &stream, std::complex< scalar_type > const source[], size_t num_entries, scalar_type destination[])
	Copy-convert complex-to-real.
template<typename scalar_type >
static void	copy_n (sycl::queue &stream, scalar_type const source[], size_t num_entries, std::complex< scalar_type > destination[])
	Copy-convert real-to-complex.
template<typename scalar_type >
static void	copy_device_to_host (sycl::queue &stream, scalar_type const source[], size_t num_entries, scalar_type destination[])
	Copy the date from the device to the host.
template<typename scalar_type >
static void	copy_device_to_device (sycl::queue &stream, scalar_type const source[], size_t num_entries, scalar_type destination[])
	Copy the date from the device to the device.
template<typename scalar_type >
static void	copy_host_to_device (sycl::queue &stream, scalar_type const source[], size_t num_entries, scalar_type destination[])
	Copy the date from the host to the device.
template<typename scalar_type >
static scalar_type *	allocate (hipStream_t, size_t num_entries)
	Allocate memory.
template<typename scalar_type >
static void	free (hipStream_t, scalar_type *pntr)
	Free memory.
template<typename scalar_type >
static void	copy_n (hipStream_t stream, scalar_type const source[], size_t num_entries, scalar_type destination[])
	Equivalent to std::copy_n() but using CUDA arrays.
template<typename scalar_type >
static void	copy_n (hipStream_t stream, std::complex< scalar_type > const source[], size_t num_entries, scalar_type destination[])
	Copy-convert complex-to-real.
template<typename scalar_type >
static void	copy_n (hipStream_t stream, scalar_type const source[], size_t num_entries, std::complex< scalar_type > destination[])
	Copy-convert real-to-complex.
template<typename scalar_type >
static void	copy_device_to_host (hipStream_t stream, scalar_type const source[], size_t num_entries, scalar_type destination[])
	Copy the date from the device to the host.
template<typename scalar_type >
static void	copy_device_to_device (hipStream_t stream, scalar_type const source[], size_t num_entries, scalar_type destination[])
	Copy the date from the device to the device.
template<typename scalar_type >
static void	copy_host_to_device (hipStream_t stream, scalar_type const source[], size_t num_entries, scalar_type destination[])
	Copy the date from the host to the device.

Detailed Description

Specialization for the data operations in CUDA mode.

Specialization for the data operations in ROCm mode.

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

• include/heffte_backend_cuda.h
• include/heffte_backend_oneapi.h
• include/heffte_backend_rocm.h