Compute Library
 21.05
CLSubTensorHandle.cpp
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25 
26 #include "support/Cast.h"
27 
28 namespace arm_compute
29 {
30 namespace graph
31 {
32 namespace backends
33 {
34 CLSubTensorHandle::CLSubTensorHandle(ITensorHandle *parent_handle, const TensorShape &shape, const Coordinates &coords, bool extend_parent)
35  : _sub_tensor(), _parent_handle(nullptr)
36 {
38  auto parent_tensor = arm_compute::utils::cast::polymorphic_downcast<ICLTensor *>(&parent_handle->tensor());
39  _sub_tensor = arm_compute::CLSubTensor(parent_tensor, shape, coords, extend_parent);
40  _parent_handle = parent_handle;
41 }
42 
44 {
45  // noop
46 }
47 
49 {
50  // noop
51 }
52 
54 {
56  // noop
57 }
58 
59 void CLSubTensorHandle::map(bool blocking)
60 {
61  _sub_tensor.map(blocking);
62 }
63 
65 {
66  _sub_tensor.unmap();
67 }
68 
70 {
71  // noop
72 }
73 
75 {
76  return _sub_tensor;
77 }
78 
80 {
81  return _sub_tensor;
82 }
83 
85 {
86  ARM_COMPUTE_ERROR_ON(_parent_handle == nullptr);
87  return _parent_handle->parent_handle();
88 }
89 
91 {
92  return true;
93 }
94 
96 {
97  return Target::CL;
98 }
99 } // namespace backends
100 } // namespace graph
101 } // namespace arm_compute
Memory group interface.
Definition: IMemoryGroup.h:37
arm_compute::ITensor & tensor() override
Backend tensor object accessor.
void map(bool blocking) override
Maps backend tensor object.
Shape of a tensor.
Definition: TensorShape.h:39
CLSubTensorHandle(ITensorHandle *parent_handle, const TensorShape &shape, const Coordinates &coords, bool extend_parent=false)
Default constructor.
void free() override
Allocates backend memory for the handle.
void map(bool blocking=true)
Enqueue a map operation of the allocated buffer.
Definition: CLSubTensor.cpp:71
virtual ITensorHandle * parent_handle()=0
Return the parent tensor handle if is a subtensor else this.
virtual arm_compute::ITensor & tensor()=0
Backend tensor object accessor.
void manage(IMemoryGroup *mg) override
Set backend tensor to be managed by a memory group.
void allocate() override
Allocates backend memory for the handle.
#define ARM_COMPUTE_ERROR_ON(cond)
If the condition is true then an error message is printed and an exception thrown.
Definition: Error.h:466
void release_if_unused() override
Releases backend tensor if is marked as unused.
Interface for CPU tensor.
Definition: ITensor.h:36
Copyright (c) 2017-2021 Arm Limited.
#define ARM_COMPUTE_UNUSED(...)
To avoid unused variables warnings.
Definition: Error.h:152
Coordinates of an item.
Definition: Coordinates.h:37
Tensor handle interface object.
Definition: ITensorHandle.h:38
void unmap() override
Un-maps a backend tensor object.
bool is_subtensor() const override
Checks if a backing tensor is a sub-tensor object or not.
Basic implementation of the OpenCL sub-tensor interface.
Definition: CLSubTensor.h:37
void unmap()
Enqueue an unmap operation of the allocated and mapped buffer.
Definition: CLSubTensor.cpp:76
Target target() const override
Returns target type.
ITensorHandle * parent_handle() override
Return the parent tensor handle if is a subtensor else this.
OpenCL capable target device.