umpire::strategy::DeviceIpcAllocator Class Reference

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

Inheritance diagram for umpire::strategy::DeviceIpcAllocator:

Public Member Functions
	DeviceIpcAllocator (const std::string &name, int id) noexcept
	DeviceIpcAllocator (const std::string &name, int id, Allocator device_allocator, MemoryResourceTraits::shared_scope scope, std::size_t shared_memory_size=1024 *1024) noexcept
	~DeviceIpcAllocator ()
void *	allocate (std::size_t bytes) override
	Allocate bytes of memory. More...
void	deallocate (void *ptr, std::size_t size=0) override
	Free the memory at ptr. More...
Platform	getPlatform () noexcept override
	Get the platform associated with this AllocationStrategy. More...
MemoryResourceTraits	getTraits () const noexcept override
MPI_Comm	get_scope_communicator ()
void *	allocate_internal (std::size_t bytes)
void *	allocate_named_internal (const std::string &name, std::size_t bytes)
void	deallocate_internal (void *ptr, std::size_t size=0)
virtual void	release ()
	Release any and all unused memory held by this AllocationStrategy. More...
virtual std::size_t	getCurrentSize () const noexcept
	Get current (total) size of the allocated memory. More...
virtual std::size_t	getHighWatermark () const noexcept
	Get the high watermark of the total allocated size. More...
virtual std::size_t	getActualSize () const noexcept
	Get the current amount of memory allocated by this allocator. More...
virtual std::size_t	getAllocationCount () const noexcept
	Get the total number of active allocations by this allocator. More...
const std::string &	getName () noexcept
	Get the name of this AllocationStrategy. More...
const std::string &	getStrategyName () const noexcept
int	getId () noexcept
	Get the id of this AllocationStrategy. More...
virtual AllocationStrategy *	getParent () const noexcept
	Traces where the allocator came from. More...
virtual bool	tracksMemoryUse () const noexcept
bool	isTracked () const noexcept

Public Attributes
std::size_t	m_current_size {0}
std::size_t	m_high_watermark {0}
std::size_t	m_allocation_count {0}

Protected Member Functions
void	setTracking (bool) noexcept

Protected Attributes
std::string	m_name
std::string	m_strategy_name
int	m_id
bool	m_tracked {true}
AllocationStrategy *	m_parent

Constructor & Destructor Documentation

DeviceIpcAllocator() [1/2]

umpire::strategy::DeviceIpcAllocator::DeviceIpcAllocator ( const std::string &  name, int  id  )

noexcept

DeviceIpcAllocator() [2/2]

umpire::strategy::DeviceIpcAllocator::DeviceIpcAllocator ( const std::string &  name, int  id, Allocator  device_allocator, MemoryResourceTraits::shared_scope  scope, std::size_t  shared_memory_size = 1024 * 1024  )

noexcept

References umpire::get_default_resource_traits(), umpire::ResourceManager::getInstance(), and umpire::to_string().

~DeviceIpcAllocator()

umpire::strategy::DeviceIpcAllocator::~DeviceIpcAllocator

(

)

References umpire::strategy::AllocationStrategy::deallocate_internal(), UMPIRE_LOG, and umpire::util::message::Warning.

Member Function Documentation

allocate()

void * umpire::strategy::DeviceIpcAllocator::allocate ( std::size_t  bytes )

overridevirtual

Allocate bytes of memory.

Parameters

bytes

Number of bytes to allocate.

Returns

Pointer to start of allocated bytes.

Implements umpire::strategy::AllocationStrategy.

References umpire::util::message::Debug, UMPIRE_ERROR, and UMPIRE_LOG.

deallocate()

void umpire::strategy::DeviceIpcAllocator::deallocate ( void *  ptr, std::size_t  size = 0  )

overridevirtual

Free the memory at ptr.

Parameters

ptr	Pointer to free.

Implements umpire::strategy::AllocationStrategy.

References umpire::strategy::AllocationStrategy::deallocate_internal(), umpire::util::message::Debug, gpuError, gpuGetErrorString, gpuIpcCloseMemHandle, gpuSuccess, UMPIRE_ERROR, and UMPIRE_LOG.

getPlatform()

Platform umpire::strategy::DeviceIpcAllocator::getPlatform ( )

overridevirtualnoexcept

Get the platform associated with this AllocationStrategy.

The Platform distinguishes the appropriate place to execute operations on memory allocated by this AllocationStrategy.

Returns

The platform associated with this AllocationStrategy.

Implements umpire::strategy::AllocationStrategy.

References umpire::strategy::AllocationStrategy::getPlatform().

getTraits()

MemoryResourceTraits umpire::strategy::DeviceIpcAllocator::getTraits ( ) const

overridevirtualnoexcept

Reimplemented from umpire::strategy::AllocationStrategy.

References umpire::strategy::AllocationStrategy::getTraits(), and umpire::MemoryResourceTraits::scope.

get_scope_communicator()

MPI_Comm umpire::strategy::DeviceIpcAllocator::get_scope_communicator

(

)

allocate_internal()

void * umpire::strategy::AllocationStrategy::allocate_internal ( std::size_t  bytes )

inherited

References umpire::strategy::AllocationStrategy::m_allocation_count, umpire::strategy::AllocationStrategy::m_current_size, and umpire::strategy::AllocationStrategy::m_high_watermark.

Referenced by umpire::strategy::mixins::AlignedAllocation::aligned_allocate(), umpire::strategy::AlignedAllocator::allocate(), umpire::strategy::AllocationAdvisor::allocate(), umpire::strategy::AllocationPrefetcher::allocate(), umpire::strategy::MixedPool::allocate(), umpire::strategy::NamedAllocationStrategy::allocate(), umpire::strategy::NumaPolicy::allocate(), umpire::strategy::SizeLimiter::allocate(), umpire::strategy::SlotPool::allocate(), umpire::strategy::ThreadSafeAllocator::allocate(), and umpire::strategy::MonotonicAllocationStrategy::MonotonicAllocationStrategy().

allocate_named_internal()

void * umpire::strategy::AllocationStrategy::allocate_named_internal ( const std::string &  name, std::size_t  bytes  )

inherited

References umpire::strategy::AllocationStrategy::m_allocation_count, umpire::strategy::AllocationStrategy::m_current_size, and umpire::strategy::AllocationStrategy::m_high_watermark.

Referenced by umpire::strategy::NamingShim::allocate(), and umpire::strategy::NamedAllocationStrategy::allocate_named().

deallocate_internal()

void umpire::strategy::AllocationStrategy::deallocate_internal ( void *  ptr, std::size_t  size = 0  )

inherited

References umpire::strategy::AllocationStrategy::m_allocation_count, and umpire::strategy::AllocationStrategy::m_current_size.

Referenced by umpire::strategy::mixins::AlignedAllocation::aligned_deallocate(), umpire::strategy::AlignedAllocator::deallocate(), umpire::strategy::AllocationAdvisor::deallocate(), umpire::strategy::AllocationPrefetcher::deallocate(), umpire::strategy::MixedPool::deallocate(), umpire::strategy::NamedAllocationStrategy::deallocate(), umpire::strategy::NamingShim::deallocate(), umpire::strategy::NumaPolicy::deallocate(), umpire::strategy::SizeLimiter::deallocate(), umpire::strategy::ThreadSafeAllocator::deallocate(), deallocate(), ~DeviceIpcAllocator(), umpire::strategy::MonotonicAllocationStrategy::~MonotonicAllocationStrategy(), and umpire::strategy::SlotPool::~SlotPool().

release()

void umpire::strategy::AllocationStrategy::release ( )

virtualinherited

Release any and all unused memory held by this AllocationStrategy.

Reimplemented in umpire::strategy::FixedPool, umpire::strategy::ResourceAwarePool, umpire::strategy::QuickPool, umpire::strategy::MixedPool, and umpire::strategy::DynamicPoolList.

References umpire::util::message::Info, and UMPIRE_LOG.

Referenced by umpire::Allocator::release().

getCurrentSize()

std::size_t umpire::strategy::AllocationStrategy::getCurrentSize ( ) const

virtualnoexceptinherited

Get current (total) size of the allocated memory.

This is the total size of all allocation currently 'live' that have been made by this AllocationStrategy object.

Returns

Current total size of allocations.

Reimplemented in umpire::strategy::FixedPool, umpire::strategy::MonotonicAllocationStrategy, umpire::resource::SyclDeviceMemoryResource< _allocator >, umpire::resource::NullMemoryResource, umpire::resource::NoOpMemoryResource, and umpire::resource::FileMemoryResource.

References umpire::strategy::AllocationStrategy::m_current_size.

Referenced by umpire::strategy::AllocationStrategy::getActualSize(), and umpire::Allocator::getCurrentSize().

getHighWatermark()

std::size_t umpire::strategy::AllocationStrategy::getHighWatermark ( ) const

virtualnoexceptinherited

Get the high watermark of the total allocated size.

This is equivalent to the highest observed value of getCurrentSize.

Returns

High watermark allocation size.

Reimplemented in umpire::strategy::FixedPool, umpire::strategy::MonotonicAllocationStrategy, umpire::resource::SyclDeviceMemoryResource< _allocator >, umpire::resource::NullMemoryResource, umpire::resource::NoOpMemoryResource, and umpire::resource::FileMemoryResource.

References umpire::strategy::AllocationStrategy::m_high_watermark.

Referenced by umpire::Allocator::getHighWatermark().

getActualSize()

std::size_t umpire::strategy::AllocationStrategy::getActualSize ( ) const

virtualnoexceptinherited

Get the current amount of memory allocated by this allocator.

Note that this can be larger than getCurrentSize(), particularly if the AllocationStrategy implements some kind of pooling.

Returns

The total size of all the memory this object has allocated.

Reimplemented in umpire::strategy::FixedPool, umpire::strategy::ResourceAwarePool, umpire::strategy::QuickPool, umpire::strategy::MixedPool, umpire::strategy::DynamicPoolList, and umpire::resource::HostSharedMemoryResource.

References umpire::strategy::AllocationStrategy::getCurrentSize().

Referenced by umpire::Allocator::getActualSize().

getAllocationCount()

std::size_t umpire::strategy::AllocationStrategy::getAllocationCount ( ) const

virtualnoexceptinherited

Get the total number of active allocations by this allocator.

Returns

The total number of active allocations this object has allocated.

References umpire::strategy::AllocationStrategy::m_allocation_count.

Referenced by umpire::Allocator::getAllocationCount().

getName()

const std::string & umpire::strategy::AllocationStrategy::getName ( )

noexceptinherited

Get the name of this AllocationStrategy.

Returns

The name of this AllocationStrategy.

References umpire::strategy::AllocationStrategy::m_name.

Referenced by umpire::strategy::DynamicPoolList::coalesce(), umpire::strategy::QuickPool::coalesce(), umpire::strategy::ResourceAwarePool::coalesce(), umpire::strategy::mixins::Inspector::deregisterAllocation(), umpire::ResourceManager::destroyAllocator(), DynamicSizePool< IA >::DynamicSizePool(), umpire::Allocator::getName(), and umpire::util::unwrap_allocation_strategy().

getStrategyName()

const std::string & umpire::strategy::AllocationStrategy::getStrategyName ( ) const

noexceptinherited

References umpire::strategy::AllocationStrategy::m_strategy_name.

Referenced by umpire::Allocator::getStrategyName().

getId()

int umpire::strategy::AllocationStrategy::getId ( )

noexceptinherited

Get the id of this AllocationStrategy.

Returns

The id of this AllocationStrategy.

References umpire::strategy::AllocationStrategy::m_id.

Referenced by umpire::ResourceManager::destroyAllocator(), and umpire::Allocator::getId().

getParent()

AllocationStrategy * umpire::strategy::AllocationStrategy::getParent ( ) const

virtualnoexceptinherited

Traces where the allocator came from.

Returns

Pointer to the parent AllocationStrategy.

References umpire::strategy::AllocationStrategy::m_parent.

Referenced by umpire::ResourceManager::destroyAllocator(), umpire::Allocator::getParent(), and umpire::is_accessible().

tracksMemoryUse()

bool umpire::strategy::AllocationStrategy::tracksMemoryUse ( ) const

virtualnoexceptinherited

Reimplemented in umpire::strategy::ResourceAwarePool, umpire::strategy::QuickPool, and umpire::strategy::DynamicPoolList.

isTracked()

bool umpire::strategy::AllocationStrategy::isTracked ( ) const

noexceptinherited

References umpire::strategy::AllocationStrategy::m_tracked.

Referenced by umpire::Allocator::isTracked().

setTracking()

void umpire::strategy::AllocationStrategy::setTracking ( bool  tracking )

protectednoexceptinherited

Member Data Documentation

m_current_size

std::size_t umpire::strategy::AllocationStrategy::m_current_size {0}

inherited

Referenced by umpire::strategy::AllocationStrategy::allocate_internal(), umpire::strategy::AllocationStrategy::allocate_named_internal(), umpire::strategy::AllocationStrategy::deallocate_internal(), umpire::strategy::mixins::Inspector::deregisterAllocation(), umpire::strategy::AllocationStrategy::getCurrentSize(), and umpire::strategy::mixins::Inspector::registerAllocation().

m_high_watermark

std::size_t umpire::strategy::AllocationStrategy::m_high_watermark {0}

inherited

Referenced by umpire::strategy::AllocationStrategy::allocate_internal(), umpire::strategy::AllocationStrategy::allocate_named_internal(), umpire::strategy::AllocationStrategy::getHighWatermark(), and umpire::strategy::mixins::Inspector::registerAllocation().

m_allocation_count

std::size_t umpire::strategy::AllocationStrategy::m_allocation_count {0}

inherited

Referenced by umpire::strategy::AllocationStrategy::allocate_internal(), umpire::strategy::AllocationStrategy::allocate_named_internal(), umpire::strategy::AllocationStrategy::deallocate_internal(), umpire::strategy::mixins::Inspector::deregisterAllocation(), umpire::strategy::AllocationStrategy::getAllocationCount(), and umpire::strategy::mixins::Inspector::registerAllocation().

m_name

std::string umpire::strategy::AllocationStrategy::m_name

protectedinherited

Referenced by umpire::strategy::NamingShim::allocate(), and umpire::strategy::AllocationStrategy::getName().

m_strategy_name

std::string umpire::strategy::AllocationStrategy::m_strategy_name

protectedinherited

Referenced by umpire::strategy::AllocationStrategy::getStrategyName().

m_id

int umpire::strategy::AllocationStrategy::m_id

protectedinherited

Referenced by umpire::strategy::AllocationStrategy::getId().

m_tracked

bool umpire::strategy::AllocationStrategy::m_tracked {true}

protectedinherited

Referenced by umpire::strategy::AllocationStrategy::isTracked().

m_parent

AllocationStrategy* umpire::strategy::AllocationStrategy::m_parent

protectedinherited

Referenced by umpire::strategy::AllocationStrategy::getParent().