Compute Library
 20.11
NESlice.cpp
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25 
27 #include "arm_compute/core/Types.h"
31 
32 #include "support/MemorySupport.h"
33 
34 namespace arm_compute
35 {
36 namespace experimental
37 {
38 void NESlice::configure(const ITensorInfo *input, ITensorInfo *output, const Coordinates &starts, const Coordinates &ends)
39 {
41 
42  // Get absolute end coordinates
43  const int32_t slice_end_mask = arm_compute::helpers::tensor_transform::construct_slice_end_mask(ends);
44 
45  auto k = arm_compute::support::cpp14::make_unique<NEStridedSliceKernel>();
46  k->configure(input, output, starts, ends, BiStrides(), 0, slice_end_mask, 0);
47  _kernel = std::move(k);
48 }
49 
50 Status NESlice::validate(const ITensorInfo *input, const ITensorInfo *output, const Coordinates &starts, const Coordinates &ends)
51 {
53 
54  // Check start dimensions for being non-negative
55  ARM_COMPUTE_RETURN_ERROR_ON(std::any_of(starts.cbegin(), starts.cbegin() + starts.num_dimensions(), [](int i)
56  {
57  return i < 0;
58  }));
59 
60  // Get absolute end coordinates
61  const int32_t slice_end_mask = arm_compute::helpers::tensor_transform::construct_slice_end_mask(ends);
62 
63  return NEStridedSliceKernel::validate(input, output, starts, ends, BiStrides(), 0, slice_end_mask, 0);
64 }
65 } // namespace experimental
66 
67 struct NESlice::Impl
68 {
69  const ITensor *src{ nullptr };
70  ITensor *dst{ nullptr };
71  std::unique_ptr<experimental::NESlice> op{ nullptr };
72 };
73 
75  : _impl(support::cpp14::make_unique<Impl>())
76 {
77 }
78 NESlice::NESlice(NESlice &&) = default;
79 NESlice &NESlice::operator=(NESlice &&) = default;
80 NESlice::~NESlice() = default;
81 
82 Status NESlice::validate(const ITensorInfo *input, const ITensorInfo *output, const Coordinates &starts, const Coordinates &ends)
83 {
84  return experimental::NESlice::validate(input, output, starts, ends);
85 }
86 
87 void NESlice::configure(const ITensor *input, ITensor *output, const Coordinates &starts, const Coordinates &ends)
88 {
89  _impl->src = input;
90  _impl->dst = output;
91  _impl->op = arm_compute::support::cpp14::make_unique<experimental::NESlice>();
92  _impl->op->configure(input->info(), output->info(), starts, ends);
93 }
94 
96 {
97  ITensorPack pack;
98  pack.add_tensor(TensorType::ACL_SRC, _impl->src);
99  pack.add_tensor(TensorType::ACL_DST, _impl->dst);
100  _impl->op->run(pack);
101 }
102 
103 } // namespace arm_compute
static Status validate(const ITensorInfo *input, const ITensorInfo *output, const Coordinates &starts, const Coordinates &ends, const BiStrides &strides, int32_t begin_mask, int32_t end_mask, int32_t shrink_axis_mask)
Static function to check if given info will lead to a valid configuration of NEStridedSliceKernel.
NESlice & operator=(const NESlice &)=delete
Prevent instances of this class from being copied (As this class contains pointers)
Basic function to perform tensor slicing.
Definition: NESlice.h:74
Coordinates BiStrides
Bidirectional strides.
Definition: Types.h:51
Store the tensor's metadata.
Definition: ITensorInfo.h:40
Status class.
Definition: Error.h:52
#define ARM_COMPUTE_RETURN_ERROR_ON(cond)
If the condition is true, an error is returned.
Definition: Error.h:296
Interface for NEON tensor.
Definition: ITensor.h:36
SimpleTensor< float > src
Definition: DFT.cpp:155
Copyright (c) 2017-2020 Arm Limited.
int32_t construct_slice_end_mask(Coordinates ends)
Constructs end mask in case we want to perform a slice operation using the strided slice interface.
#define ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(...)
Definition: Validate.h:163
void configure(const ITensor *input, ITensor *output, const Coordinates &starts, const Coordinates &ends)
Configure kernel.
Definition: NESlice.cpp:87
~NESlice()
Default Destructor.
Coordinates of an item.
Definition: Coordinates.h:37
_Unique_if< T >::_Single_object make_unique(Args &&... args)
Construct a single object and return a unique pointer to it.
Definition: MemorySupport.h:88
virtual ITensorInfo * info() const =0
Interface to be implemented by the child class to return the tensor's metadata.
std::array< T, num_max_dimensions >::const_iterator cbegin() const
Returns a read-only (constant) iterator that points to the first element in the dimension array.
Definition: Dimensions.h:210
unsigned int num_dimensions() const
Returns the effective dimensionality of the tensor.
Definition: Dimensions.h:122
Tensor packing service.
Definition: ITensorPack.h:36
#define ARM_COMPUTE_ERROR_ON_NULLPTR(...)
Definition: Validate.h:161
static Status validate(const ITensorInfo *input, const ITensorInfo *output, const Coordinates &starts, const Coordinates &ends)
Static function to check if given info will lead to a valid configuration of NESlice.
Definition: NESlice.cpp:50
NESlice()
Default Constructor.
Definition: NESlice.cpp:74
static Status validate(const ITensorInfo *input, const ITensorInfo *output, const Coordinates &starts, const Coordinates &ends)
Static function to check if given info will lead to a valid configuration of NESlice.
Definition: NESlice.cpp:82
void run() override
Run the kernels contained in the function.
Definition: NESlice.cpp:95
void add_tensor(int id, ITensor *tensor)
Add tensor to the pack.
Definition: ITensorPack.cpp:30
void configure(const ITensorInfo *input, ITensorInfo *output, const Coordinates &starts, const Coordinates &ends)
Configure kernel.
Definition: NESlice.cpp:38