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//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include "BaseMemoryManager.hpp"
#if defined(ARMCOMPUTENEON_ENABLED) || defined(ARMCOMPUTECL_ENABLED)
#include "memory/BlobLifetimeManager.hpp"
#include "memory/PoolManager.hpp"
#include "memory/OffsetLifetimeManager.hpp"
#endif
#include <boost/polymorphic_cast.hpp>
namespace armnn
{
#if defined(ARMCOMPUTENEON_ENABLED) || defined(ARMCOMPUTECL_ENABLED)
BaseMemoryManager::BaseMemoryManager(std::unique_ptr<arm_compute::IAllocator> alloc,
MemoryAffinity memoryAffinity)
{
// (Re)create the memory manager components.
m_Allocator = std::move(alloc);
m_IntraLayerMemoryMgr = CreateArmComputeMemoryManager(memoryAffinity);
m_InterLayerMemoryMgr = CreateArmComputeMemoryManager(memoryAffinity);
}
std::shared_ptr<arm_compute::MemoryManagerOnDemand>
BaseMemoryManager::CreateArmComputeMemoryManager(MemoryAffinity memoryAffinity)
{
std::shared_ptr<arm_compute::ILifetimeManager> lifetimeManager = nullptr;
if (memoryAffinity == MemoryAffinity::Buffer)
{
lifetimeManager = std::make_shared<BlobLifetimeManager>();
}
else
{
lifetimeManager = std::make_shared<OffsetLifetimeManager>();
}
auto poolManager = std::make_shared<PoolManager>();
auto memoryManager = std::make_shared<arm_compute::MemoryManagerOnDemand>(lifetimeManager, poolManager);
// Set allocator that the memory manager will use
memoryManager->set_allocator(m_Allocator.get());
return memoryManager;
}
void BaseMemoryManager::FinalizeMemoryManager(arm_compute::MemoryManagerOnDemand& memoryManager)
{
// Number of pools that the manager will create. This specifies how many layers you want to run in parallel
memoryManager.set_num_pools(1);
// Finalize the memory manager. (Validity checks, memory allocations, etc)
memoryManager.finalize();
}
void BaseMemoryManager::Finalize()
{
BOOST_ASSERT(m_IntraLayerMemoryMgr);
FinalizeMemoryManager(*m_IntraLayerMemoryMgr.get());
BOOST_ASSERT(m_InterLayerMemoryMgr);
FinalizeMemoryManager(*m_InterLayerMemoryMgr.get());
}
void BaseMemoryManager::Acquire()
{
// Allocate memory pools for intra-layer memory manager
BOOST_ASSERT(m_IntraLayerMemoryMgr);
IPoolManager* poolManager = boost::polymorphic_downcast<IPoolManager*>(m_IntraLayerMemoryMgr->pool_manager());
BOOST_ASSERT(poolManager);
poolManager->AllocatePools();
// Allocate memory pools for inter-layer memory manager
BOOST_ASSERT(m_InterLayerMemoryMgr);
poolManager = boost::polymorphic_downcast<IPoolManager*>(m_InterLayerMemoryMgr->pool_manager());
BOOST_ASSERT(poolManager);
poolManager->AllocatePools();
// Acquire inter-layer memory group. NOTE: This has to come after allocating the pools
BOOST_ASSERT(m_InterLayerMemoryGroup);
m_InterLayerMemoryGroup->acquire();
}
void BaseMemoryManager::Release()
{
// Release inter-layer memory group. NOTE: This has to come before releasing the pools
BOOST_ASSERT(m_InterLayerMemoryGroup);
m_InterLayerMemoryGroup->release();
// Release memory pools managed by intra-layer memory manager
BOOST_ASSERT(m_IntraLayerMemoryMgr);
IPoolManager* poolManager = boost::polymorphic_downcast<IPoolManager*>(m_IntraLayerMemoryMgr->pool_manager());
BOOST_ASSERT(poolManager);
poolManager->ReleasePools();
// Release memory pools managed by inter-layer memory manager
BOOST_ASSERT(m_InterLayerMemoryMgr);
poolManager = boost::polymorphic_downcast<IPoolManager*>(m_InterLayerMemoryMgr->pool_manager());
BOOST_ASSERT(poolManager);
poolManager->ReleasePools();
}
#endif
#ifdef ARMCOMPUTENEON_ENABLED
std::shared_ptr<arm_compute::IMemoryGroup>
NeonMemoryManager::CreateMemoryGroup(const std::shared_ptr<arm_compute::MemoryManagerOnDemand>& memoryManager)
{
return std::make_shared<arm_compute::MemoryGroup>(memoryManager);
}
#endif
#ifdef ARMCOMPUTECL_ENABLED
std::shared_ptr<arm_compute::IMemoryGroup>
ClMemoryManager::CreateMemoryGroup(const std::shared_ptr<arm_compute::MemoryManagerOnDemand>& memoryManager)
{
return std::make_shared<arm_compute::CLMemoryGroup>(memoryManager);
}
#endif
}
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