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42 lines
1.3 KiB
C++
42 lines
1.3 KiB
C++
/*
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* Copyright (C) 2022-2023 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/memory_manager/prefetch_manager.h"
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#include "shared/source/device/device.h"
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#include "shared/source/memory_manager/unified_memory_manager.h"
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namespace NEO {
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std::unique_ptr<PrefetchManager> PrefetchManager::create() {
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return std::make_unique<PrefetchManager>();
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}
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void PrefetchManager::insertAllocation(PrefetchContext &context, const void *usmPtr, SvmAllocationData &allocData) {
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std::unique_lock<SpinLock> lock{context.lock};
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if (allocData.memoryType == InternalMemoryType::sharedUnifiedMemory) {
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context.allocations.push_back(usmPtr);
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}
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}
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void PrefetchManager::migrateAllocationsToGpu(PrefetchContext &context, SVMAllocsManager &unifiedMemoryManager, Device &device, CommandStreamReceiver &csr) {
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std::unique_lock<SpinLock> lock{context.lock};
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for (auto &ptr : context.allocations) {
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auto allocData = unifiedMemoryManager.getSVMAlloc(ptr);
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if (allocData) {
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unifiedMemoryManager.prefetchMemory(device, csr, *allocData);
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}
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}
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}
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void PrefetchManager::removeAllocations(PrefetchContext &context) {
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std::unique_lock<SpinLock> lock{context.lock};
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context.allocations.clear();
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}
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} // namespace NEO
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