[NeoMathEngine] GetThreadBufferMemoryThreshold

Signed-off-by: Kirill Golikov <kirill.golikov@abbyy.com>

NeoMathEngine/include/NeoMathEngine/NeoMathEngine.h

@@ -1169,6 +1169,8 @@ class NEOMATHENGINE_API IMathEngine : public IDnnEngine {
 	// memory blocks of a size <= this threshold would be allocated in buffers if 'reuse' mode enabled
 	// memory blocks of a size >  this threshold would be allocated in raw RAM memory (malloc/free)
 	virtual void SetThreadBufferMemoryThreshold( size_t threshold ) = 0;
+	// Get the memory blocks' sizes threshold for this thread
+	virtual size_t GetThreadBufferMemoryThreshold() const = 0;
 
 	virtual CMemoryHandle HeapAlloc( size_t count ) = 0;
 	virtual void HeapFree( const CMemoryHandle& handle ) = 0;

NeoMathEngine/src/CPU/CpuMathEngine.cpp

@@ -113,6 +113,12 @@ void CCpuMathEngine::SetThreadBufferMemoryThreshold( size_t threshold )
 	memoryPool->SetThreadBufferMemoryThreshold( threshold );
 }
 
+size_t CCpuMathEngine::GetThreadBufferMemoryThreshold() const
+{
+	std::lock_guard<std::mutex> lock( mutex );
+	return memoryPool->GetThreadBufferMemoryThreshold();
+}
+
 CMemoryHandle CCpuMathEngine::HeapAlloc( size_t size )
 {
 	std::lock_guard<std::mutex> lock( mutex );

NeoMathEngine/src/CPU/CpuMathEngine.h

@@ -47,6 +47,7 @@ class CCpuMathEngine : public IMathEngine, public IRawMemoryManager {
 	void SetReuseMemoryMode( bool enabled ) override;
 	bool GetReuseMemoryMode() const override;
 	void SetThreadBufferMemoryThreshold( size_t threshold ) override;
+	size_t GetThreadBufferMemoryThreshold() const override;
 	CMemoryHandle HeapAlloc( size_t count ) override;
 	void HeapFree( const CMemoryHandle& handle ) override;
 	void TransferHandleToThisThread( const CMemoryHandle& handle, size_t size ) override;

NeoMathEngine/src/GPU/CUDA/CudaMathEngine.cpp

@@ -92,6 +92,12 @@ void CCudaMathEngine::SetThreadBufferMemoryThreshold( size_t threshold )
 	memoryPool->SetThreadBufferMemoryThreshold( threshold );
 }
 
+size_t CCudaMathEngine::GetThreadBufferMemoryThreshold() const
+{
+	std::lock_guard<std::mutex> lock( mutex );
+	return memoryPool->GetThreadBufferMemoryThreshold();
+}
+
 CMemoryHandle CCudaMathEngine::HeapAlloc( size_t size )
 {
 	std::lock_guard<std::mutex> lock( mutex );

NeoMathEngine/src/GPU/CUDA/CudaMathEngine.h

@@ -54,6 +54,7 @@ class CCudaMathEngine : public IMathEngine, public IRawMemoryManager {
 	void SetReuseMemoryMode( bool enable ) override;
 	bool GetReuseMemoryMode() const override;
 	void SetThreadBufferMemoryThreshold( size_t threshold ) override;
+	size_t GetThreadBufferMemoryThreshold() const override;
 	CMemoryHandle HeapAlloc( size_t count ) override;
 	void HeapFree( const CMemoryHandle& handle ) override;
 	void TransferHandleToThisThread( const CMemoryHandle& handle, size_t size ) override;

NeoMathEngine/src/GPU/Metal/MetalMathEngine.h

@@ -49,6 +49,7 @@ class CMetalMathEngine : public IMathEngine, public IRawMemoryManager {
 	void SetReuseMemoryMode( bool enable ) override;
 	bool GetReuseMemoryMode() const override;
 	void SetThreadBufferMemoryThreshold( size_t threshold ) override;
+	size_t GetThreadBufferMemoryThreshold() const override;
 	CMemoryHandle HeapAlloc( size_t count ) override;
 	void HeapFree( const CMemoryHandle& handle ) override;
 	void TransferHandleToThisThread( const CMemoryHandle& /*handle*/, size_t /*size*/ ) override { ASSERT_EXPR( false ); }

NeoMathEngine/src/GPU/Metal/MetalMathEngine.mm

@@ -103,6 +103,12 @@ bool LoadMetalEngineInfo( CMathEngineInfo& info )
 	memoryPool->SetThreadBufferMemoryThreshold( threshold );
 }
 
+size_t CMetalMathEngine::GetThreadBufferMemoryThreshold() const
+{
+	std::lock_guard<CMutex> lock( *mutex );
+	return memoryPool->GetThreadBufferMemoryThreshold();
+}
+
 CMemoryHandle CMetalMathEngine::HeapAlloc( size_t size )
 {
 	std::lock_guard<CMutex> lock( *mutex );

NeoMathEngine/src/GPU/Vulkan/VulkanMathEngine.cpp

@@ -109,6 +109,12 @@ void CVulkanMathEngine::SetThreadBufferMemoryThreshold( size_t threshold )
 	memoryPool->SetThreadBufferMemoryThreshold( threshold );
 }
 
+size_t CVulkanMathEngine::GetThreadBufferMemoryThreshold() const
+{
+	std::lock_guard<std::mutex> lock( mutex );
+	return memoryPool->GetThreadBufferMemoryThreshold();
+}
+
 CMemoryHandle CVulkanMathEngine::HeapAlloc( size_t size )
 {
 	std::lock_guard<std::mutex> lock( mutex );

NeoMathEngine/src/GPU/Vulkan/VulkanMathEngine.h

@@ -61,6 +61,7 @@ class CVulkanMathEngine : public IMathEngine, public IRawMemoryManager {
 	void SetReuseMemoryMode( bool enable ) override;
 	bool GetReuseMemoryMode() const override;
 	void SetThreadBufferMemoryThreshold( size_t threshold ) override;
+	size_t GetThreadBufferMemoryThreshold() const override;
 	CMemoryHandle HeapAlloc( size_t count ) override;
 	void HeapFree( const CMemoryHandle& handle ) override;
 	void TransferHandleToThisThread( const CMemoryHandle& /*handle*/, size_t /*size*/ ) override { ASSERT_EXPR( false ); }

NeoMathEngine/src/MemoryPool.cpp

@@ -130,6 +130,14 @@ void CMemoryPool::SetThreadBufferMemoryThreshold( size_t threshold )
 	getThreadData()->BufferMemoryThreshold = threshold;
 }
 
+size_t CMemoryPool::GetThreadBufferMemoryThreshold() const
+{
+	const CThreadData* threadData = getThreadData();
+	return ( threadData != nullptr )
+		? threadData->BufferMemoryThreshold
+		: CThreadData::DefaultBufferMemoryThreshold;
+}
+
 CMemoryHandle CMemoryPool::Alloc( size_t size )
 {
 	CThreadData& threadData = *getThreadData();

NeoMathEngine/src/MemoryPool.h

@@ -37,8 +37,11 @@ class CMemoryPool : public CCrtAllocatedObject {
 	void SetReuseMemoryMode( bool enable );
 	// Get the memory reuse mode state for the current thread
 	bool GetReuseMemoryMode() const;
+
 	// Change the memory blocks' sizes threshold for this thread from 1GB to the user size in bytes
 	void SetThreadBufferMemoryThreshold( size_t threshold );
+	// Get the memory blocks' sizes threshold for this thread
+	size_t GetThreadBufferMemoryThreshold() const;
 
 	// Allocates the specified amount of memory
 	CMemoryHandle Alloc( size_t size );