mirror of
https://github.com/GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator.git
synced 2024-11-22 15:04:34 +00:00
Fixed accounting of statistics in defragmentation.
Code by @medranSolus See #232
This commit is contained in:
Adam Sawicki
parent
ea759b65d4
commit
b1427085f3
@ -11001,12 +11001,16 @@ public:
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const VmaDefragmentationInfo& info);
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~VmaDefragmentationContext_T();
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void GetStats(VmaDefragmentationStats& outStats) { outStats = m_Stats; }
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void GetStats(VmaDefragmentationStats& outStats) { outStats = m_GlobalStats; }
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VkResult DefragmentPassBegin(VmaDefragmentationPassMoveInfo& moveInfo);
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VkResult DefragmentPassEnd(VmaDefragmentationPassMoveInfo& moveInfo);
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private:
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// Max number of allocations to ignore due to size constraints before ending single pass
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static const uint8_t MAX_ALLOCS_TO_IGNORE = 16;
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enum class CounterStatus { Pass, Ignore, End };
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struct FragmentedBlock
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{
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uint32_t data;
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@ -11044,16 +11048,19 @@ private:
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VmaStlAllocator<VmaDefragmentationMove> m_MoveAllocator;
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VmaVector<VmaDefragmentationMove, VmaStlAllocator<VmaDefragmentationMove>> m_Moves;
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uint8_t m_IgnoredAllocs = 0;
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uint32_t m_Algorithm;
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uint32_t m_BlockVectorCount;
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VmaBlockVector* m_PoolBlockVector;
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VmaBlockVector** m_pBlockVectors;
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size_t m_ImmovableBlockCount = 0;
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VmaDefragmentationStats m_Stats = { 0 };
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VmaDefragmentationStats m_GlobalStats = { 0 };
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VmaDefragmentationStats m_PassStats = { 0 };
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void* m_AlgorithmState = VMA_NULL;
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static MoveAllocationData GetMoveData(VmaAllocHandle handle, VmaBlockMetadata* metadata);
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bool IncrementCounters(uint32_t& allocations, VkDeviceSize bytes);
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CounterStatus CheckCounters(VkDeviceSize bytes);
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bool IncrementCounters(VkDeviceSize bytes);
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bool ReallocWithinBlock(VmaBlockVector& vector, VmaDeviceMemoryBlock* block);
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bool AllocInOtherBlock(size_t start, size_t end, MoveAllocationData& data, VmaBlockVector& vector);
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@ -13159,17 +13166,25 @@ VkResult VmaDefragmentationContext_T::DefragmentPassEnd(VmaDefragmentationPassMo
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mappedBlocks.push_back({ mapCount, newMapBlock });
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}
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prevCount = vector->GetBlockCount();
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freedBlockSize = dst->GetBlock()->m_pMetadata->GetSize();
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// Scope for locks, Free have it's own lock
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{
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VmaMutexLockRead lock(vector->GetMutex(), vector->GetAllocator()->m_UseMutex);
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prevCount = vector->GetBlockCount();
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freedBlockSize = dst->GetBlock()->m_pMetadata->GetSize();
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}
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vector->Free(dst, false);
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currentCount = vector->GetBlockCount();
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{
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VmaMutexLockRead lock(vector->GetMutex(), vector->GetAllocator()->m_UseMutex);
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currentCount = vector->GetBlockCount();
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}
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result = VK_INCOMPLETE;
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break;
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}
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case VMA_DEFRAGMENTATION_MOVE_OPERATION_IGNORE:
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{
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m_Stats.bytesMoved -= move.srcAllocation->GetSize();
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m_PassStats.bytesMoved -= move.srcAllocation->GetSize();
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--m_PassStats.allocationsMoved;
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vector->Free(dst, false);
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VmaDeviceMemoryBlock* newBlock = move.srcAllocation->GetBlock();
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@ -13188,16 +13203,32 @@ VkResult VmaDefragmentationContext_T::DefragmentPassEnd(VmaDefragmentationPassMo
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}
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case VMA_DEFRAGMENTATION_MOVE_OPERATION_DESTROY:
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{
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prevCount = vector->GetBlockCount();
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freedBlockSize = move.srcAllocation->GetBlock()->m_pMetadata->GetSize();
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m_PassStats.bytesMoved -= move.srcAllocation->GetSize();
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--m_PassStats.allocationsMoved;
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// Scope for locks, Free have it's own lock
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{
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VmaMutexLockRead lock(vector->GetMutex(), vector->GetAllocator()->m_UseMutex);
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prevCount = vector->GetBlockCount();
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freedBlockSize = move.srcAllocation->GetBlock()->m_pMetadata->GetSize();
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}
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vector->Free(move.srcAllocation, false);
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currentCount = vector->GetBlockCount();
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{
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VmaMutexLockRead lock(vector->GetMutex(), vector->GetAllocator()->m_UseMutex);
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currentCount = vector->GetBlockCount();
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}
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freedBlockSize *= prevCount - currentCount;
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VkDeviceSize dstBlockSize = dst->GetBlock()->m_pMetadata->GetSize();
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VkDeviceSize dstBlockSize;
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{
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VmaMutexLockRead lock(vector->GetMutex(), vector->GetAllocator()->m_UseMutex);
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dstBlockSize = dst->GetBlock()->m_pMetadata->GetSize();
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}
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vector->Free(dst, false);
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freedBlockSize += dstBlockSize * (currentCount - vector->GetBlockCount());
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currentCount = vector->GetBlockCount();
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{
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VmaMutexLockRead lock(vector->GetMutex(), vector->GetAllocator()->m_UseMutex);
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freedBlockSize += dstBlockSize * (currentCount - vector->GetBlockCount());
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currentCount = vector->GetBlockCount();
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}
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result = VK_INCOMPLETE;
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break;
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@ -13209,8 +13240,8 @@ VkResult VmaDefragmentationContext_T::DefragmentPassEnd(VmaDefragmentationPassMo
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if (prevCount > currentCount)
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{
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size_t freedBlocks = prevCount - currentCount;
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m_Stats.deviceMemoryBlocksFreed += static_cast<uint32_t>(freedBlocks);
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m_Stats.bytesFreed += freedBlockSize;
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m_PassStats.deviceMemoryBlocksFreed += static_cast<uint32_t>(freedBlocks);
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m_PassStats.bytesFreed += freedBlockSize;
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}
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switch (m_Algorithm)
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@ -13235,6 +13266,13 @@ VkResult VmaDefragmentationContext_T::DefragmentPassEnd(VmaDefragmentationPassMo
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moveInfo.pMoves = VMA_NULL;
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m_Moves.clear();
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// Update stats
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m_GlobalStats.allocationsMoved += m_PassStats.allocationsMoved;
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m_GlobalStats.bytesFreed += m_PassStats.bytesFreed;
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m_GlobalStats.bytesMoved += m_PassStats.bytesMoved;
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m_GlobalStats.deviceMemoryBlocksFreed += m_PassStats.deviceMemoryBlocksFreed;
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m_PassStats = { 0 };
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// Move blocks with immovable allocations according to algorithm
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if (immovableBlocks.size() > 0)
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{
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@ -13343,12 +13381,27 @@ VmaDefragmentationContext_T::MoveAllocationData VmaDefragmentationContext_T::Get
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return moveData;
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}
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bool VmaDefragmentationContext_T::IncrementCounters(uint32_t& allocations, VkDeviceSize bytes)
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VmaDefragmentationContext_T::CounterStatus VmaDefragmentationContext_T::CheckCounters(VkDeviceSize bytes)
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{
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if (++allocations >= m_MaxPassAllocations || bytes >= m_MaxPassBytes)
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// Ignore allocation if will exceed max size for copy
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if (m_PassStats.bytesMoved + bytes > m_MaxPassBytes)
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{
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m_Stats.bytesMoved += bytes;
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m_Stats.allocationsMoved += allocations;
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if (++m_IgnoredAllocs < MAX_ALLOCS_TO_IGNORE)
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return CounterStatus::Ignore;
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else
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return CounterStatus::End;
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}
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return CounterStatus::Pass;
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}
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bool VmaDefragmentationContext_T::IncrementCounters(VkDeviceSize bytes)
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{
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m_PassStats.bytesMoved += bytes;
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// Early return when max found
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if (++m_PassStats.allocationsMoved >= m_MaxPassAllocations || m_PassStats.bytesMoved >= m_MaxPassBytes)
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{
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VMA_ASSERT(m_PassStats.allocationsMoved == m_MaxPassAllocations ||
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m_PassStats.bytesMoved == m_MaxPassBytes && "Exceeded maximal pass threshold!");
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return true;
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}
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return false;
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@ -13356,8 +13409,6 @@ bool VmaDefragmentationContext_T::IncrementCounters(uint32_t& allocations, VkDev
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bool VmaDefragmentationContext_T::ReallocWithinBlock(VmaBlockVector& vector, VmaDeviceMemoryBlock* block)
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{
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VkDeviceSize currentBytesMoved = 0;
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uint32_t currentAllocsMoved = 0;
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VmaBlockMetadata* metadata = block->m_pMetadata;
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for (VmaAllocHandle handle = metadata->GetAllocationListBegin();
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@ -13368,6 +13419,17 @@ bool VmaDefragmentationContext_T::ReallocWithinBlock(VmaBlockVector& vector, Vma
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// Ignore newly created allocations by defragmentation algorithm
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if (moveData.move.srcAllocation->GetUserData() == this)
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continue;
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switch (CheckCounters(moveData.move.srcAllocation->GetSize()))
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{
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case CounterStatus::Ignore:
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continue;
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case CounterStatus::End:
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return true;
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default:
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VMA_ASSERT(0);
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case CounterStatus::Pass:
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break;
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}
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VmaAllocation& dst = reinterpret_cast<VmaAllocation&>(moveData.move.internalData);
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VkDeviceSize offset = moveData.move.srcAllocation->GetOffset();
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@ -13396,25 +13458,19 @@ bool VmaDefragmentationContext_T::ReallocWithinBlock(VmaBlockVector& vector, Vma
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moveData.move.dstMemory = dst->GetMemory();
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moveData.move.dstOffset = dst->GetOffset();
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m_Moves.push_back(moveData.move);
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currentBytesMoved += moveData.size;
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if (IncrementCounters(currentAllocsMoved, currentBytesMoved))
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if (IncrementCounters(moveData.size))
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return true;
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}
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}
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}
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}
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}
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m_Stats.bytesMoved += currentBytesMoved;
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m_Stats.allocationsMoved += currentAllocsMoved;
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return false;
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}
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bool VmaDefragmentationContext_T::AllocInOtherBlock(size_t start, size_t end, MoveAllocationData& data, VmaBlockVector& vector)
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{
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VkDeviceSize currentBytesMoved = 0;
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uint32_t currentAllocsMoved = 0;
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VmaAllocation& dst = reinterpret_cast<VmaAllocation&>(data.move.internalData);
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for (; start < end; ++start)
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@ -13434,17 +13490,13 @@ bool VmaDefragmentationContext_T::AllocInOtherBlock(size_t start, size_t end, Mo
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data.move.dstMemory = dst->GetMemory();
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data.move.dstOffset = dst->GetOffset();
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m_Moves.push_back(data.move);
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currentBytesMoved += data.size;
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if (IncrementCounters(currentAllocsMoved, currentBytesMoved))
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if (IncrementCounters(data.size))
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return true;
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break;
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}
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}
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}
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m_Stats.bytesMoved += currentBytesMoved;
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m_Stats.allocationsMoved += currentAllocsMoved;
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return false;
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}
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@ -13465,6 +13517,17 @@ bool VmaDefragmentationContext_T::ComputeDefragmentation_Fast(VmaBlockVector& ve
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// Ignore newly created allocations by defragmentation algorithm
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if (moveData.move.srcAllocation->GetUserData() == this)
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continue;
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switch (CheckCounters(moveData.move.srcAllocation->GetSize()))
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{
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case CounterStatus::Ignore:
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continue;
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case CounterStatus::End:
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return true;
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default:
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VMA_ASSERT(0);
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case CounterStatus::Pass:
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break;
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}
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// Check all previous blocks for free space
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if (AllocInOtherBlock(0, i, moveData, vector))
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@ -13481,13 +13544,11 @@ bool VmaDefragmentationContext_T::ComputeDefragmentation_Balanced(VmaBlockVector
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// but only if there are noticable gaps between them (some heuristic, ex. average size of allocation in block)
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VMA_ASSERT(m_AlgorithmState != VMA_NULL);
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VkDeviceSize currentBytesMoved = 0;
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uint32_t currentAllocsMoved = 0;
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StateBalanced& vectorState = reinterpret_cast<StateBalanced*>(m_AlgorithmState)[index];
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if (update && vectorState.avgAllocSize == UINT64_MAX)
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UpdateVectorStatistics(vector, vectorState);
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const size_t startMoveCount = m_Moves.size();
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VkDeviceSize minimalFreeRegion = vectorState.avgFreeSize / 2;
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for (size_t i = vector.GetBlockCount() - 1; i > m_ImmovableBlockCount; --i)
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{
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@ -13503,6 +13564,17 @@ bool VmaDefragmentationContext_T::ComputeDefragmentation_Balanced(VmaBlockVector
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// Ignore newly created allocations by defragmentation algorithm
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if (moveData.move.srcAllocation->GetUserData() == this)
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continue;
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switch (CheckCounters(moveData.move.srcAllocation->GetSize()))
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{
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case CounterStatus::Ignore:
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continue;
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case CounterStatus::End:
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return true;
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default:
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VMA_ASSERT(0);
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case CounterStatus::Pass:
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break;
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}
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// Check all previous blocks for free space
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const size_t prevMoveCount = m_Moves.size();
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@ -13544,9 +13616,8 @@ bool VmaDefragmentationContext_T::ComputeDefragmentation_Balanced(VmaBlockVector
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moveData.move.dstMemory = dst->GetMemory();
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moveData.move.dstOffset = dst->GetOffset();
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m_Moves.push_back(moveData.move);
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currentBytesMoved += moveData.size;
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if (IncrementCounters(currentAllocsMoved, currentBytesMoved))
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if (IncrementCounters(moveData.size))
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return true;
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}
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}
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@ -13558,14 +13629,11 @@ bool VmaDefragmentationContext_T::ComputeDefragmentation_Balanced(VmaBlockVector
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}
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// No moves perfomed, update statistics to current vector state
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if (currentAllocsMoved == 0 && !update)
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if (startMoveCount == m_Moves.size() && !update)
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{
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vectorState.avgAllocSize = UINT64_MAX;
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return ComputeDefragmentation_Balanced(vector, index, false);
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}
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m_Stats.bytesMoved += currentBytesMoved;
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m_Stats.allocationsMoved += currentAllocsMoved;
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return false;
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}
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@ -13574,9 +13642,6 @@ bool VmaDefragmentationContext_T::ComputeDefragmentation_Full(VmaBlockVector& ve
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// Go over every allocation and try to fit it in previous blocks at lowest offsets,
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// if not possible: realloc within single block to minimize offset (exclude offset == 0)
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VkDeviceSize currentBytesMoved = 0;
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uint32_t currentAllocsMoved = 0;
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for (size_t i = vector.GetBlockCount() - 1; i > m_ImmovableBlockCount; --i)
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{
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VmaDeviceMemoryBlock* block = vector.GetBlock(i);
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@ -13590,6 +13655,17 @@ bool VmaDefragmentationContext_T::ComputeDefragmentation_Full(VmaBlockVector& ve
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// Ignore newly created allocations by defragmentation algorithm
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if (moveData.move.srcAllocation->GetUserData() == this)
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continue;
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switch (CheckCounters(moveData.move.srcAllocation->GetSize()))
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{
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case CounterStatus::Ignore:
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continue;
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case CounterStatus::End:
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return true;
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default:
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VMA_ASSERT(0);
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case CounterStatus::Pass:
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break;
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}
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// Check all previous blocks for free space
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const size_t prevMoveCount = m_Moves.size();
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@ -13624,9 +13700,8 @@ bool VmaDefragmentationContext_T::ComputeDefragmentation_Full(VmaBlockVector& ve
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moveData.move.dstMemory = dst->GetMemory();
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moveData.move.dstOffset = dst->GetOffset();
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m_Moves.push_back(moveData.move);
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currentBytesMoved += moveData.size;
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if (IncrementCounters(currentAllocsMoved, currentBytesMoved))
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if (IncrementCounters(moveData.size))
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return true;
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}
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}
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@ -13634,9 +13709,6 @@ bool VmaDefragmentationContext_T::ComputeDefragmentation_Full(VmaBlockVector& ve
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}
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}
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}
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m_Stats.bytesMoved += currentBytesMoved;
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m_Stats.allocationsMoved += currentAllocsMoved;
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return false;
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}
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@ -13671,6 +13743,17 @@ bool VmaDefragmentationContext_T::ComputeDefragmentation_Extensive(VmaBlockVecto
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handle = freeMetadata->GetNextAllocation(handle))
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{
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MoveAllocationData moveData = GetMoveData(handle, freeMetadata);
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switch (CheckCounters(moveData.move.srcAllocation->GetSize()))
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{
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case CounterStatus::Ignore:
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continue;
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case CounterStatus::End:
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return true;
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default:
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VMA_ASSERT(0);
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case CounterStatus::Pass:
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break;
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}
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// Check all previous blocks for free space
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if (AllocInOtherBlock(0, last, moveData, vector))
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@ -13844,6 +13927,17 @@ bool VmaDefragmentationContext_T::MoveDataToFreeBlocks(VmaSuballocationType curr
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// Ignore newly created allocations by defragmentation algorithm
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if (moveData.move.srcAllocation->GetUserData() == this)
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continue;
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switch (CheckCounters(moveData.move.srcAllocation->GetSize()))
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{
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case CounterStatus::Ignore:
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continue;
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case CounterStatus::End:
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return true;
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default:
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VMA_ASSERT(0);
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case CounterStatus::Pass:
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break;
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}
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// Move only single type of resources at once
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if (!VmaIsBufferImageGranularityConflict(moveData.type, currentType))
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