Opm::gpuistl::HypreDeviceDataArrays Struct Reference

GPU device memory arrays for HYPRE operations with GPU backend. More...

#include <HypreDataStructures.hpp>

Public Attributes
HYPRE_Int *	ncols_device = nullptr
	Mirrors host data arrays. More...
HYPRE_BigInt *	rows_device = nullptr
HYPRE_BigInt *	cols_device = nullptr
HYPRE_Int *	row_indexes_device = nullptr
HYPRE_BigInt *	indices_device = nullptr
HYPRE_Real *	vector_buffer_device = nullptr
	Device buffer for vector operations Used when input type and backend are different, for transferring values between host and device. Size: N_owned when allocated, empty otherwise. More...
HYPRE_Real *	matrix_buffer_device = nullptr
	Device buffer for matrix values, only needed for CPU input + GPU backend. More...

Detailed Description

GPU device memory arrays for HYPRE operations with GPU backend.

These arrays mirror the host data but reside in GPU memory. All pointers are managed manually using HYPRE's memory management functions.

Member Data Documentation

cols_device

HYPRE_BigInt* Opm::gpuistl::HypreDeviceDataArrays::cols_device = nullptr

Referenced by Hypre::HyprePreconditioner< M, X, Y, Comm >::HyprePreconditioner(), Opm::gpuistl::HypreInterface::updateMatrixFromCpuMatrix(), and Hypre::HyprePreconditioner< M, X, Y, Comm >::~HyprePreconditioner().

indices_device

HYPRE_BigInt* Opm::gpuistl::HypreDeviceDataArrays::indices_device = nullptr

Referenced by Hypre::HyprePreconditioner< M, X, Y, Comm >::HyprePreconditioner(), Opm::gpuistl::HypreInterface::transferCpuVectorToHypre(), Opm::gpuistl::HypreInterface::transferHypreToCpuVector(), and Hypre::HyprePreconditioner< M, X, Y, Comm >::~HyprePreconditioner().

matrix_buffer_device

HYPRE_Real* Opm::gpuistl::HypreDeviceDataArrays::matrix_buffer_device = nullptr

Device buffer for matrix values, only needed for CPU input + GPU backend.

Size: nnz when allocated, empty otherwise.

Referenced by Hypre::HyprePreconditioner< M, X, Y, Comm >::HyprePreconditioner(), Opm::gpuistl::HypreInterface::updateMatrixFromCpuMatrix(), and Hypre::HyprePreconditioner< M, X, Y, Comm >::~HyprePreconditioner().

ncols_device

HYPRE_Int* Opm::gpuistl::HypreDeviceDataArrays::ncols_device = nullptr

Mirrors host data arrays.

Referenced by Hypre::HyprePreconditioner< M, X, Y, Comm >::HyprePreconditioner(), Opm::gpuistl::HypreInterface::updateMatrixFromCpuMatrix(), and Hypre::HyprePreconditioner< M, X, Y, Comm >::~HyprePreconditioner().

row_indexes_device

HYPRE_Int* Opm::gpuistl::HypreDeviceDataArrays::row_indexes_device = nullptr

Referenced by Hypre::HyprePreconditioner< M, X, Y, Comm >::HyprePreconditioner(), Opm::gpuistl::HypreInterface::updateMatrixFromCpuMatrix(), and Hypre::HyprePreconditioner< M, X, Y, Comm >::~HyprePreconditioner().

rows_device

HYPRE_BigInt* Opm::gpuistl::HypreDeviceDataArrays::rows_device = nullptr

Referenced by Hypre::HyprePreconditioner< M, X, Y, Comm >::HyprePreconditioner(), Opm::gpuistl::HypreInterface::updateMatrixFromCpuMatrix(), and Hypre::HyprePreconditioner< M, X, Y, Comm >::~HyprePreconditioner().

vector_buffer_device

HYPRE_Real* Opm::gpuistl::HypreDeviceDataArrays::vector_buffer_device = nullptr

Device buffer for vector operations Used when input type and backend are different, for transferring values between host and device. Size: N_owned when allocated, empty otherwise.

Referenced by Hypre::HyprePreconditioner< M, X, Y, Comm >::HyprePreconditioner(), Opm::gpuistl::HypreInterface::transferCpuVectorToHypre(), Opm::gpuistl::HypreInterface::transferHypreToCpuVector(), and Hypre::HyprePreconditioner< M, X, Y, Comm >::~HyprePreconditioner().

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

• HypreDataStructures.hpp