1 /*
2 * Copyright (c) 2017-2020 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 */
24 #include "src/core/NEON/kernels/NEReshapeLayerKernel.h"
25
26 #include "arm_compute/core/Error.h"
27 #include "arm_compute/core/Helpers.h"
28 #include "arm_compute/core/IAccessWindow.h"
29 #include "arm_compute/core/ITensor.h"
30 #include "arm_compute/core/TensorInfo.h"
31 #include "arm_compute/core/Types.h"
32 #include "arm_compute/core/Validate.h"
33 #include "src/core/AccessWindowStatic.h"
34 #include "src/core/CPP/Validate.h"
35 #include "src/core/NEON/INEKernel.h"
36 #include "src/core/helpers/AutoConfiguration.h"
37 #include "src/core/helpers/WindowHelpers.h"
38
39 #include <cstdint>
40
41 /** [NEReshapeLayerKernel Kernel] **/
42 namespace arm_compute
43 {
44 namespace
45 {
validate_arguments(const ITensorInfo * input,const ITensorInfo * output)46 Status validate_arguments(const ITensorInfo *input, const ITensorInfo *output)
47 {
48 ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(input, output);
49 // Note: ARM_COMPUTE_RETURN_ERROR_ON_CPU_F16_UNSUPPORTED(input) is not needed here as this kernel doesn't use NEON FP16 instructions.
50 ARM_COMPUTE_RETURN_ERROR_ON(input->data_type() == DataType::UNKNOWN);
51
52 ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, output);
53 ARM_COMPUTE_RETURN_ERROR_ON(input->tensor_shape().total_size() != output->tensor_shape().total_size());
54 ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_QUANTIZATION_INFO(input, output);
55
56 return Status{};
57 }
58
59 template <typename T>
reshape_tensor(const Window & window,const ITensor * input,ITensor * output)60 inline void reshape_tensor(const Window &window, const ITensor *input, ITensor *output)
61 {
62 const TensorShape &input_shape = input->info()->tensor_shape();
63 const TensorShape &output_shape = output->info()->tensor_shape();
64 Coordinates output_coord{};
65
66 Iterator in(input, window);
67
68 execute_window_loop(window, [&](const Coordinates & id)
69 {
70 output_coord = index2coords(output_shape, coords2index(input_shape, id));
71 *reinterpret_cast<T *>(output->ptr_to_element(output_coord)) = *reinterpret_cast<T *>(in.ptr());
72 },
73 in);
74 }
75 } // namespace
76
configure(const ITensorInfo * input,ITensorInfo * output)77 void NEReshapeLayerKernel::configure(const ITensorInfo *input, ITensorInfo *output)
78 {
79 ARM_COMPUTE_ERROR_ON_NULLPTR(input, output);
80 ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(input, output));
81
82 // Configure kernel window
83 Window win = calculate_max_window(*input);
84
85 // Set the output valid region
86 output->set_valid_region(ValidRegion(Coordinates(), output->tensor_shape()));
87
88 INEKernel::configure(win);
89 }
90
run_op(ITensorPack & tensors,const Window & window,const ThreadInfo & info)91 void NEReshapeLayerKernel::run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info)
92 {
93 ARM_COMPUTE_UNUSED(info);
94 ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this);
95 ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INEKernel::window(), window);
96
97 const auto src = tensors.get_const_tensor(TensorType::ACL_SRC);
98 auto dst = tensors.get_tensor(TensorType::ACL_DST);
99
100 switch(src->info()->data_type())
101 {
102 case DataType::U8:
103 case DataType::S8:
104 case DataType::QASYMM8:
105 case DataType::QASYMM8_SIGNED:
106 reshape_tensor<uint8_t>(window, src, dst);
107 break;
108 case DataType::U16:
109 case DataType::S16:
110 case DataType::F16:
111 reshape_tensor<uint16_t>(window, src, dst);
112 break;
113 case DataType::U32:
114 case DataType::S32:
115 case DataType::F32:
116 reshape_tensor<uint32_t>(window, src, dst);
117 break;
118 default:
119 ARM_COMPUTE_ERROR("Unsupported data type!");
120 }
121 }
122
validate(const ITensorInfo * input,const ITensorInfo * output)123 Status NEReshapeLayerKernel::validate(const ITensorInfo *input, const ITensorInfo *output)
124 {
125 ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(input, output));
126
127 return Status{};
128 }
129 } // namespace arm_compute
130 /** [NEReshapeLayerKernel Kernel] **/
131