aboutsummaryrefslogtreecommitdiff
path: root/src/backends/backendsCommon/ITensorHandle.hpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/backends/backendsCommon/ITensorHandle.hpp')
-rw-r--r--src/backends/backendsCommon/ITensorHandle.hpp77
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- /// Indicate to the memory manager that this resource is no longer active.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; };
-};
-
-}