98 lines
4.2 KiB
C++
98 lines
4.2 KiB
C++
/*
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* Copyright (C) 2018 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 "runtime/command_stream/command_stream_receiver.h"
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#include "runtime/memory_manager/internal_allocation_storage.h"
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#include "runtime/memory_manager/memory_manager.h"
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namespace OCLRT {
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InternalAllocationStorage::InternalAllocationStorage(CommandStreamReceiver &commandStreamReceiver) : commandStreamReceiver(commandStreamReceiver), contextId(commandStreamReceiver.getDeviceIndex()){};
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void InternalAllocationStorage::storeAllocation(std::unique_ptr<GraphicsAllocation> gfxAllocation, uint32_t allocationUsage) {
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uint32_t taskCount = gfxAllocation->getTaskCount(contextId);
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if (allocationUsage == REUSABLE_ALLOCATION) {
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taskCount = commandStreamReceiver.peekTaskCount();
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}
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storeAllocationWithTaskCount(std::move(gfxAllocation), allocationUsage, taskCount);
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}
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void InternalAllocationStorage::storeAllocationWithTaskCount(std::unique_ptr<GraphicsAllocation> gfxAllocation, uint32_t allocationUsage, uint32_t taskCount) {
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if (allocationUsage == REUSABLE_ALLOCATION) {
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if (DebugManager.flags.DisableResourceRecycling.get()) {
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commandStreamReceiver.getMemoryManager()->freeGraphicsMemory(gfxAllocation.release());
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return;
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}
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}
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auto &allocationsList = (allocationUsage == TEMPORARY_ALLOCATION) ? temporaryAllocations : allocationsForReuse;
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gfxAllocation->updateTaskCount(taskCount, contextId);
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allocationsList.pushTailOne(*gfxAllocation.release());
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}
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void InternalAllocationStorage::cleanAllocationList(uint32_t waitTaskCount, uint32_t allocationUsage) {
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freeAllocationsList(waitTaskCount, (allocationUsage == TEMPORARY_ALLOCATION) ? temporaryAllocations : allocationsForReuse);
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}
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void InternalAllocationStorage::freeAllocationsList(uint32_t waitTaskCount, AllocationsList &allocationsList) {
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auto memoryManager = commandStreamReceiver.getMemoryManager();
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GraphicsAllocation *curr = allocationsList.detachNodes();
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IDList<GraphicsAllocation, false, true> allocationsLeft;
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while (curr != nullptr) {
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auto *next = curr->next;
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if (curr->getTaskCount(contextId) <= waitTaskCount) {
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memoryManager->freeGraphicsMemory(curr);
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} else {
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allocationsLeft.pushTailOne(*curr);
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}
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curr = next;
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}
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if (allocationsLeft.peekIsEmpty() == false) {
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allocationsList.splice(*allocationsLeft.detachNodes());
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}
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}
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std::unique_ptr<GraphicsAllocation> InternalAllocationStorage::obtainReusableAllocation(size_t requiredSize, bool internalAllocation) {
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auto allocation = allocationsForReuse.detachAllocation(requiredSize, commandStreamReceiver, internalAllocation);
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return allocation;
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}
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struct ReusableAllocationRequirements {
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size_t requiredMinimalSize;
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volatile uint32_t *csrTagAddress;
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bool internalAllocationRequired;
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uint32_t contextId;
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};
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std::unique_ptr<GraphicsAllocation> AllocationsList::detachAllocation(size_t requiredMinimalSize, CommandStreamReceiver &commandStreamReceiver, bool internalAllocationRequired) {
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ReusableAllocationRequirements req;
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req.requiredMinimalSize = requiredMinimalSize;
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req.csrTagAddress = commandStreamReceiver.getTagAddress();
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req.internalAllocationRequired = internalAllocationRequired;
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req.contextId = commandStreamReceiver.getDeviceIndex();
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GraphicsAllocation *a = nullptr;
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GraphicsAllocation *retAlloc = processLocked<AllocationsList, &AllocationsList::detachAllocationImpl>(a, static_cast<void *>(&req));
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return std::unique_ptr<GraphicsAllocation>(retAlloc);
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}
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GraphicsAllocation *AllocationsList::detachAllocationImpl(GraphicsAllocation *, void *data) {
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ReusableAllocationRequirements *req = static_cast<ReusableAllocationRequirements *>(data);
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auto *curr = head;
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while (curr != nullptr) {
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auto currentTagValue = *req->csrTagAddress;
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if ((req->internalAllocationRequired == curr->is32BitAllocation) &&
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(curr->getUnderlyingBufferSize() >= req->requiredMinimalSize) &&
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((currentTagValue > curr->getTaskCount(req->contextId)) || (curr->getTaskCount(req->contextId) == 0))) {
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return removeOneImpl(curr, nullptr);
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}
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curr = curr->next;
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}
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return nullptr;
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}
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} // namespace OCLRT
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