Compute Library
 21.02
NESlice.cpp
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2018-2020 Arm Limited.
3  *
4  * SPDX-License-Identifier: MIT
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to
8  * deal in the Software without restriction, including without limitation the
9  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10  * sell copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in all
14  * copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22  * SOFTWARE.
23  */
25 
27 #include "arm_compute/core/Types.h"
31 
32 namespace arm_compute
33 {
34 namespace experimental
35 {
36 void NESlice::configure(const ITensorInfo *input, ITensorInfo *output, const Coordinates &starts, const Coordinates &ends)
37 {
39 
40  // Get absolute end coordinates
41  const int32_t slice_end_mask = arm_compute::helpers::tensor_transform::construct_slice_end_mask(ends);
42 
43  auto k = std::make_unique<NEStridedSliceKernel>();
44  k->configure(input, output, starts, ends, BiStrides(), 0, slice_end_mask, 0);
45  _kernel = std::move(k);
46 }
47 
48 Status NESlice::validate(const ITensorInfo *input, const ITensorInfo *output, const Coordinates &starts, const Coordinates &ends)
49 {
51 
52  // Check start dimensions for being non-negative
53  ARM_COMPUTE_RETURN_ERROR_ON(std::any_of(starts.cbegin(), starts.cbegin() + starts.num_dimensions(), [](int i)
54  {
55  return i < 0;
56  }));
57 
58  // Get absolute end coordinates
59  const int32_t slice_end_mask = arm_compute::helpers::tensor_transform::construct_slice_end_mask(ends);
60 
61  return NEStridedSliceKernel::validate(input, output, starts, ends, BiStrides(), 0, slice_end_mask, 0);
62 }
63 } // namespace experimental
64 
65 struct NESlice::Impl
66 {
67  const ITensor *src{ nullptr };
68  ITensor *dst{ nullptr };
69  std::unique_ptr<experimental::NESlice> op{ nullptr };
70 };
71 
73  : _impl(std::make_unique<Impl>())
74 {
75 }
76 NESlice::NESlice(NESlice &&) = default;
77 NESlice &NESlice::operator=(NESlice &&) = default;
78 NESlice::~NESlice() = default;
79 
80 Status NESlice::validate(const ITensorInfo *input, const ITensorInfo *output, const Coordinates &starts, const Coordinates &ends)
81 {
82  return experimental::NESlice::validate(input, output, starts, ends);
83 }
84 
85 void NESlice::configure(const ITensor *input, ITensor *output, const Coordinates &starts, const Coordinates &ends)
86 {
87  _impl->src = input;
88  _impl->dst = output;
89  _impl->op = std::make_unique<experimental::NESlice>();
90  _impl->op->configure(input->info(), output->info(), starts, ends);
91 }
92 
94 {
95  ITensorPack pack;
96  pack.add_tensor(TensorType::ACL_SRC, _impl->src);
97  pack.add_tensor(TensorType::ACL_DST, _impl->dst);
98  _impl->op->run(pack);
99 }
100 
101 } // 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&#39;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) 2017-2021 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:85
~NESlice()
Default Destructor.
Coordinates of an item.
Definition: Coordinates.h:37
virtual ITensorInfo * info() const =0
Interface to be implemented by the child class to return the tensor&#39;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:231
unsigned int num_dimensions() const
Returns the effective dimensionality of the tensor.
Definition: Dimensions.h:143
Tensor packing service.
Definition: ITensorPack.h:37
#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:48
NESlice()
Default Constructor.
Definition: NESlice.cpp:72
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:80
void run() override
Run the kernels contained in the function.
Definition: NESlice.cpp:93
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:36