diff options
Diffstat (limited to 'src/backends/backendsCommon/ITensorHandle.hpp')
-rw-r--r-- | src/backends/backendsCommon/ITensorHandle.hpp | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/src/backends/backendsCommon/ITensorHandle.hpp b/src/backends/backendsCommon/ITensorHandle.hpp deleted file mode 100644 index e1b80b874a..0000000000 --- a/src/backends/backendsCommon/ITensorHandle.hpp +++ /dev/null @@ -1,77 +0,0 @@ -// -// Copyright © 2017 Arm Ltd. All rights reserved. -// SPDX-License-Identifier: MIT -// -#pragma once - -#include <armnn/MemorySources.hpp> - -namespace armnn -{ - -class TensorShape; - -class ITensorHandle -{ -public: - virtual ~ITensorHandle(){} - - /// Indicate to the memory manager that this resource is active. - /// This is used to compute overlapping lifetimes of resources. - virtual void Manage() = 0; - - /// Indicate to the memory manager that this resource is no longer active. - /// This is used to compute overlapping lifetimes of resources. - virtual void Allocate() = 0; - - /// Get the parent tensor if this is a subtensor. - /// \return a pointer to the parent tensor. Otherwise nullptr if not a subtensor. - virtual ITensorHandle* GetParent() const = 0; - - /// Map the tensor data for access. - /// \param blocking hint to block the calling thread until all other accesses are complete. (backend dependent) - /// \return pointer to the first element of the mapped data. - virtual const void* Map(bool blocking=true) const = 0; - - /// Unmap the tensor data - virtual void Unmap() const = 0; - - /// Map the tensor data for access. Must be paired with call to Unmap(). - /// \param blocking hint to block the calling thread until all other accesses are complete. (backend dependent) - /// \return pointer to the first element of the mapped data. - void* Map(bool blocking=true) - { - return const_cast<void*>(static_cast<const ITensorHandle*>(this)->Map(blocking)); - } - - /// Unmap the tensor data that was previously mapped with call to Map(). - void Unmap() - { - return static_cast<const ITensorHandle*>(this)->Unmap(); - } - - /// Get the strides for each dimension ordered from largest to smallest where - /// the smallest value is the same as the size of a single element in the tensor. - /// \return a TensorShape filled with the strides for each dimension - virtual TensorShape GetStrides() const = 0; - - /// Get the number of elements for each dimension ordered from slowest iterating dimension - /// to fastest iterating dimension. - /// \return a TensorShape filled with the number of elements for each dimension. - virtual TensorShape GetShape() const = 0; - - // Testing support to be able to verify and set tensor data content - virtual void CopyOutTo(void* memory) const = 0; - virtual void CopyInFrom(const void* memory) = 0; - - /// Get flags describing supported import sources. - virtual unsigned int GetImportFlags() const { return 0; } - - /// Import externally allocated memory - /// \param memory base address of the memory being imported. - /// \param source source of the allocation for the memory being imported. - /// \return true on success or false on failure - virtual bool Import(void* memory, MemorySource source) { return false; }; -}; - -} |