umpire::alloc::CudaMallocAllocator Struct Reference

Uses cudaMalloc and cudaFree to allocate and deallocate memory on NVIDIA GPUs. More...

#include </home/docs/checkouts/readthedocs.org/user_builds/umpire/checkouts/develop/src/umpire/alloc/CudaMallocAllocator.hpp>

Public Member Functions
void *	allocate (std::size_t size)
	Allocate bytes of memory using cudaMalloc. More...
void	deallocate (void *ptr)
	Deallocate memory using cudaFree. More...

Detailed Description

Uses cudaMalloc and cudaFree to allocate and deallocate memory on NVIDIA GPUs.

Member Function Documentation

allocate()

void* umpire::alloc::CudaMallocAllocator::allocate ( std::size_t  size )

inline

Allocate bytes of memory using cudaMalloc.

Parameters

bytes

Number of bytes to allocate.

Returns

Pointer to start of the allocation.

Exceptions

umpire::util::runtime_error

if memory cannot be allocated.

References umpire::util::message::Debug, umpire::error(), UMPIRE_ERROR, and UMPIRE_LOG.

Referenced by umpire::resource::CudaDeviceMemoryResource::allocate().

deallocate()

void umpire::alloc::CudaMallocAllocator::deallocate ( void *  ptr )

inline

Deallocate memory using cudaFree.

Parameters

ptr	Address to deallocate.

Exceptions

umpire::util::runtime_error

if memory cannot be free'd.

References umpire::util::message::Debug, umpire::error(), UMPIRE_ERROR, and UMPIRE_LOG.

Referenced by umpire::resource::CudaDeviceMemoryResource::deallocate().