aboutsummaryrefslogtreecommitdiff
path: root/src/dynamic/sample/SampleTensorHandle.hpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/dynamic/sample/SampleTensorHandle.hpp')
-rw-r--r--src/dynamic/sample/SampleTensorHandle.hpp78
1 files changed, 78 insertions, 0 deletions
diff --git a/src/dynamic/sample/SampleTensorHandle.hpp b/src/dynamic/sample/SampleTensorHandle.hpp
new file mode 100644
index 0000000000..c08edc69b7
--- /dev/null
+++ b/src/dynamic/sample/SampleTensorHandle.hpp
@@ -0,0 +1,78 @@
+//
+// Copyright © 2020 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+#pragma once
+
+#include <backendsCommon/CpuTensorHandle.hpp>
+
+#include "SampleMemoryManager.hpp"
+
+namespace armnn
+{
+
+// An implementation of ITensorHandle with simple "bump the pointer" memory-management behaviour
+class SampleTensorHandle : public ITensorHandle
+{
+public:
+ SampleTensorHandle(const TensorInfo& tensorInfo, std::shared_ptr<SampleMemoryManager> &memoryManager);
+
+ SampleTensorHandle(const TensorInfo& tensorInfo,
+ std::shared_ptr<SampleMemoryManager> &memoryManager,
+ MemorySourceFlags importFlags);
+
+ ~SampleTensorHandle();
+
+ virtual void Manage() override;
+
+ virtual void Allocate() override;
+
+ virtual ITensorHandle* GetParent() const override
+ {
+ return nullptr;
+ }
+
+ virtual const void* Map(bool /* blocking = true */) const override;
+ using ITensorHandle::Map;
+
+ virtual void Unmap() const override
+ {}
+
+ TensorShape GetStrides() const override
+ {
+ return GetUnpaddedTensorStrides(m_TensorInfo);
+ }
+
+ TensorShape GetShape() const override
+ {
+ return m_TensorInfo.GetShape();
+ }
+
+ const TensorInfo& GetTensorInfo() const
+ {
+ return m_TensorInfo;
+ }
+
+ virtual MemorySourceFlags GetImportFlags() const override
+ {
+ return m_ImportFlags;
+ }
+
+ virtual bool Import(void* memory, MemorySource source) override;
+
+private:
+ void* GetPointer() const;
+
+ SampleTensorHandle(const SampleTensorHandle& other) = delete; // noncopyable
+ SampleTensorHandle& operator=(const SampleTensorHandle& other) = delete; //noncopyable
+
+ TensorInfo m_TensorInfo;
+
+ std::shared_ptr<SampleMemoryManager> m_MemoryManager;
+ SampleMemoryManager::Pool* m_Pool;
+ mutable void *m_UnmanagedMemory;
+ MemorySourceFlags m_ImportFlags;
+ bool m_Imported;
+};
+
+}