125 lines
5.6 KiB
C++
125 lines
5.6 KiB
C++
/*
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* Copyright (C) 2018-2020 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/internal_allocation_storage.h"
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#include "shared/source/command_stream/command_stream_receiver.h"
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#include "shared/source/memory_manager/host_ptr_manager.h"
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#include "shared/source/os_interface/os_context.h"
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namespace NEO {
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InternalAllocationStorage::InternalAllocationStorage(CommandStreamReceiver &commandStreamReceiver)
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: commandStreamReceiver(commandStreamReceiver),
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temporaryAllocations(TEMPORARY_ALLOCATION),
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allocationsForReuse(REUSABLE_ALLOCATION){};
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void InternalAllocationStorage::storeAllocation(std::unique_ptr<GraphicsAllocation> gfxAllocation, uint32_t allocationUsage) {
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uint32_t taskCount = gfxAllocation->getTaskCount(commandStreamReceiver.getOsContext().getContextId());
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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, commandStreamReceiver.getOsContext().getContextId());
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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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auto lock = memoryManager->getHostPtrManager()->obtainOwnership();
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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(commandStreamReceiver.getOsContext().getContextId()) <= 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, GraphicsAllocation::AllocationType allocationType) {
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auto allocation = allocationsForReuse.detachAllocation(requiredSize, nullptr, commandStreamReceiver, allocationType);
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return allocation;
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}
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std::unique_ptr<GraphicsAllocation> InternalAllocationStorage::obtainTemporaryAllocationWithPtr(size_t requiredSize, const void *requiredPtr, GraphicsAllocation::AllocationType allocationType) {
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auto allocation = temporaryAllocations.detachAllocation(requiredSize, requiredPtr, commandStreamReceiver, allocationType);
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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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GraphicsAllocation::AllocationType allocationType;
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uint32_t contextId;
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const void *requiredPtr;
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};
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AllocationsList::AllocationsList(AllocationUsage allocationUsage)
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: allocationUsage(allocationUsage) {}
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std::unique_ptr<GraphicsAllocation> AllocationsList::detachAllocation(size_t requiredMinimalSize, const void *requiredPtr, CommandStreamReceiver &commandStreamReceiver, GraphicsAllocation::AllocationType allocationType) {
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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.allocationType = allocationType;
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req.contextId = commandStreamReceiver.getOsContext().getContextId();
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req.requiredPtr = requiredPtr;
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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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if ((req->allocationType == curr->getAllocationType()) &&
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(curr->getUnderlyingBufferSize() >= req->requiredMinimalSize) &&
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(this->allocationUsage == TEMPORARY_ALLOCATION || *req->csrTagAddress >= curr->getTaskCount(req->contextId)) &&
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(req->requiredPtr == nullptr || req->requiredPtr == curr->getUnderlyingBuffer())) {
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if (this->allocationUsage == TEMPORARY_ALLOCATION) {
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// We may not have proper task count yet, so set notReady to avoid releasing in a different thread
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curr->updateTaskCount(CompletionStamp::notReady, req->contextId);
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}
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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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DeviceBitfield InternalAllocationStorage::getDeviceBitfield() const {
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return commandStreamReceiver.getOsContext().getDeviceBitfield();
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}
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} // namespace NEO
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