umpire::alloc::SyclMallocManagedAllocator Struct Reference

Uses sycl_shared and sycl_free to allocate and deallocate unified shared memory (USM) on Intel GPUs. More...

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

Public Member Functions
void *	allocate (std::size_t bytes, const sycl::queue &queue_t)
	Allocate bytes of memory using sycl::malloc_shared. More...
void	deallocate (void *usm_ptr, const sycl::queue &queue_t)
	Deallocate memory using sycl::free. More...
bool	isAccessible (Platform p)

Detailed Description

Uses sycl_shared and sycl_free to allocate and deallocate unified shared memory (USM) on Intel GPUs.

Member Function Documentation

allocate()

void* umpire::alloc::SyclMallocManagedAllocator::allocate ( std::size_t  bytes, const sycl::queue &  queue_t  )

inline

Allocate bytes of memory using sycl::malloc_shared.

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, and UMPIRE_LOG.

deallocate()

void umpire::alloc::SyclMallocManagedAllocator::deallocate ( void *  usm_ptr, const sycl::queue &  queue_t  )

inline

Deallocate memory using sycl::free.

Parameters

usm_ptr

Address to deallocate.

Exceptions

umpire::util::runtime_error

if memory be free'd.

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

isAccessible()

bool umpire::alloc::SyclMallocManagedAllocator::isAccessible ( Platform  p )

inline