mirror of
https://github.com/intel/compute-runtime.git
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121 lines
4.1 KiB
C++
121 lines
4.1 KiB
C++
/*
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* Copyright (C) 2025 Intel Corporation
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*
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* SPDX-License-Identifier: MIT
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*
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*/
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#include "shared/source/device/device.h"
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#include "shared/source/helpers/aligned_memory.h"
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#include "shared/source/memory_manager/memory_manager.h"
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#include "shared/source/utilities/buffer_pool_allocator.inl"
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#include "shared/source/utilities/generic_pool_allocator.h"
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#include "shared/source/utilities/heap_allocator.h"
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namespace NEO {
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template <PoolTraits Traits>
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GenericPool<Traits>::GenericPool(Device *device, size_t poolSize)
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: BaseType(device->getMemoryManager(), nullptr), device(device) {
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DEBUG_BREAK_IF(device->getProductHelper().is2MBLocalMemAlignmentEnabled() &&
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!isAligned(poolSize, MemoryConstants::pageSize2M));
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auto properties = Traits::createAllocationProperties(device, poolSize);
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auto graphicsAllocation = this->memoryManager->allocateGraphicsMemoryWithProperties(properties);
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this->chunkAllocator.reset(new NEO::HeapAllocator(this->params.startingOffset,
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graphicsAllocation ? graphicsAllocation->getUnderlyingBufferSize() : 0u,
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MemoryConstants::pageSize,
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0u));
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this->mainStorage.reset(graphicsAllocation);
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this->mtx = std::make_unique<std::mutex>();
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stackVec.push_back(graphicsAllocation);
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}
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template <PoolTraits Traits>
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GenericPool<Traits>::GenericPool(GenericPool &&pool) noexcept : BaseType(std::move(pool)) {
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mtx.reset(pool.mtx.release());
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this->stackVec = std::move(pool.stackVec);
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this->device = pool.device;
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}
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template <PoolTraits Traits>
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GenericPool<Traits>::~GenericPool() {
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if (this->mainStorage) {
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device->getMemoryManager()->freeGraphicsMemory(this->mainStorage.release());
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}
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}
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template <PoolTraits Traits>
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SharedPoolAllocation *GenericPool<Traits>::allocate(size_t size) {
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auto offset = static_cast<size_t>(this->chunkAllocator->allocate(size));
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if (offset == 0) {
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return nullptr;
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}
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return new SharedPoolAllocation{this->mainStorage.get(),
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offset - this->params.startingOffset,
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size,
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mtx.get()};
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}
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template <PoolTraits Traits>
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const StackVec<GraphicsAllocation *, 1> &GenericPool<Traits>::getAllocationsVector() {
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return stackVec;
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}
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template <PoolTraits Traits>
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GenericPoolAllocator<Traits>::GenericPoolAllocator(Device *device) : device(device) {}
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template <PoolTraits Traits>
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SharedPoolAllocation *GenericPoolAllocator<Traits>::requestGraphicsAllocation(size_t size) {
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if (size > Traits::maxAllocationSize) {
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return nullptr;
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}
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std::lock_guard<std::mutex> lock(allocatorMtx);
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if (this->bufferPools.empty()) {
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this->addNewBufferPool(GenericPool<Traits>(device, alignToPoolSize(Traits::defaultPoolSize)));
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}
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auto allocFromPool = allocateFromPools(size);
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if (allocFromPool != nullptr) {
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return allocFromPool;
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}
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this->drain();
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allocFromPool = allocateFromPools(size);
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if (allocFromPool != nullptr) {
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return allocFromPool;
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}
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this->addNewBufferPool(GenericPool<Traits>(device, alignToPoolSize(Traits::defaultPoolSize)));
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return allocateFromPools(size);
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}
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template <PoolTraits Traits>
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void GenericPoolAllocator<Traits>::freeSharedAllocation(SharedPoolAllocation *sharedPoolAllocation) {
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std::unique_lock lock(allocatorMtx);
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this->tryFreeFromPoolBuffer(sharedPoolAllocation->getGraphicsAllocation(),
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sharedPoolAllocation->getOffset(),
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sharedPoolAllocation->getSize());
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delete sharedPoolAllocation;
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}
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template <PoolTraits Traits>
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SharedPoolAllocation *GenericPoolAllocator<Traits>::allocateFromPools(size_t size) {
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for (auto &pool : this->bufferPools) {
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if (auto allocation = pool.allocate(size)) {
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return allocation;
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}
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}
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return nullptr;
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}
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template <PoolTraits Traits>
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size_t GenericPoolAllocator<Traits>::alignToPoolSize(size_t size) const {
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return alignUp(size, Traits::poolAlignment);
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}
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} // namespace NEO
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