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 */
24 #include "src/core/CL/kernels/CLUpsampleLayerKernel.h"
25
26 #include "arm_compute/core/CL/CLHelpers.h"
27 #include "arm_compute/core/CL/CLKernelLibrary.h"
28 #include "arm_compute/core/CL/ICLTensor.h"
29 #include "arm_compute/core/Error.h"
30 #include "arm_compute/core/Helpers.h"
31 #include "arm_compute/core/Validate.h"
32 #include "arm_compute/core/Window.h"
33 #include "arm_compute/core/utils/misc/ShapeCalculator.h"
34 #include "src/core/AccessWindowStatic.h"
35 #include "src/core/CL/CLValidate.h"
36 #include "src/core/helpers/AutoConfiguration.h"
37 #include "src/core/helpers/WindowHelpers.h"
38 #include "support/StringSupport.h"
39
40 namespace arm_compute
41 {
CLUpsampleLayerKernel()42 CLUpsampleLayerKernel::CLUpsampleLayerKernel()
43 : _input(nullptr), _output(nullptr), _info(), _data_layout(DataLayout::UNKNOWN), _num_elems_processed_per_iteration_input_x()
44 {
45 }
46
validate(const ITensorInfo * input,const ITensorInfo * output,const Size2D & info,const InterpolationPolicy upsampling_policy)47 Status CLUpsampleLayerKernel::validate(const ITensorInfo *input, const ITensorInfo *output, const Size2D &info, const InterpolationPolicy upsampling_policy)
48 {
49 ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(input, output);
50 ARM_COMPUTE_UNUSED(upsampling_policy);
51
52 DataLayout data_layout = input->data_layout();
53 const int idx_width = get_data_layout_dimension_index(data_layout, DataLayoutDimension::WIDTH);
54 const int idx_height = get_data_layout_dimension_index(data_layout, DataLayoutDimension::HEIGHT);
55
56 ARM_COMPUTE_RETURN_ERROR_ON_F16_UNSUPPORTED(input);
57 ARM_COMPUTE_RETURN_ERROR_ON(input->data_type() == DataType::UNKNOWN);
58
59 ARM_COMPUTE_RETURN_ERROR_ON_MSG(info.x() != 2 || info.y() != 2, "Only stride 2 is supported");
60 ARM_COMPUTE_RETURN_ERROR_ON_MSG(upsampling_policy != InterpolationPolicy::NEAREST_NEIGHBOR, "Only nearest neighbor policy supported");
61
62 if(output->total_size() != 0)
63 {
64 ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, output);
65 ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_LAYOUT(input, output);
66 ARM_COMPUTE_RETURN_ERROR_ON(output->dimension(idx_width) != info.x() * input->dimension(idx_width));
67 ARM_COMPUTE_RETURN_ERROR_ON(output->dimension(idx_height) != info.y() * input->dimension(idx_height));
68 ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_QUANTIZATION_INFO(input, output);
69 }
70
71 return Status{};
72 }
73
configure(const ICLTensor * input,ICLTensor * output,const Size2D & info,const InterpolationPolicy upsampling_policy)74 void CLUpsampleLayerKernel::configure(const ICLTensor *input, ICLTensor *output, const Size2D &info, const InterpolationPolicy upsampling_policy)
75 {
76 configure(CLKernelLibrary::get().get_compile_context(), input, output, info, upsampling_policy);
77 }
78
configure(const CLCompileContext & compile_context,const ICLTensor * input,ICLTensor * output,const Size2D & info,const InterpolationPolicy upsampling_policy)79 void CLUpsampleLayerKernel::configure(const CLCompileContext &compile_context, const ICLTensor *input, ICLTensor *output, const Size2D &info, const InterpolationPolicy upsampling_policy)
80 {
81 ARM_COMPUTE_ERROR_ON_NULLPTR(input, output);
82 ARM_COMPUTE_UNUSED(upsampling_policy);
83
84 _input = input;
85 _output = output;
86 _info = info;
87 _data_layout = input->info()->data_layout();
88 _num_elems_processed_per_iteration_input_x = 1;
89
90 TensorShape output_shape = misc::shape_calculator::compute_upsample_shape(*input->info(), info);
91 auto_init_if_empty(*output->info(), output_shape, 1, input->info()->data_type());
92 output->info()->set_data_layout(_data_layout);
93
94 unsigned int num_elems_processed_per_iteration_x = 16;
95 const int output_width_x = output->info()->dimension(0);
96 const bool multi_access_x = ((output_width_x / num_elems_processed_per_iteration_x) > 0);
97
98 // Perform validation step
99 ARM_COMPUTE_ERROR_THROW_ON(CLUpsampleLayerKernel::validate(input->info(), output->info(), info, upsampling_policy));
100
101 Window win{};
102
103 switch(_data_layout)
104 {
105 case DataLayout::NCHW:
106 {
107 win = calculate_max_window(*output->info());
108 win.set(Window::DimY, Window::Dimension(win.y().start(), win.y().end(), info.y()));
109 if(multi_access_x)
110 {
111 _num_elems_processed_per_iteration_input_x = num_elems_processed_per_iteration_x / info.x();
112 win.set(Window::DimX, Window::Dimension(win.x().start(), ceil_to_multiple(win.x().end(), num_elems_processed_per_iteration_x), num_elems_processed_per_iteration_x));
113 }
114 break;
115 }
116 case DataLayout::NHWC:
117 {
118 win = calculate_max_window(*output->info());
119 win.set(Window::DimY, Window::Dimension(win.y().start(), win.y().end(), info.x()));
120 win.set(Window::DimZ, Window::Dimension(win.z().start(), win.z().end(), info.y()));
121 if(multi_access_x)
122 {
123 _num_elems_processed_per_iteration_input_x = num_elems_processed_per_iteration_x;
124 win.set(Window::DimX, Window::Dimension(win.x().start(), ceil_to_multiple(win.x().end(),
125 num_elems_processed_per_iteration_x),
126 num_elems_processed_per_iteration_x));
127 }
128 break;
129 }
130 default:
131 ARM_COMPUTE_ERROR("Not implemented");
132 }
133
134 // Create kernel
135 CLBuildOptions build_opts;
136 build_opts.add_option(("-DDATA_TYPE=" + get_cl_unsigned_type_from_element_size(input->info()->element_size())));
137 build_opts.add_option_if(multi_access_x, "-DVEC_SIZE_IN=" + support::cpp11::to_string(_num_elems_processed_per_iteration_input_x));
138 build_opts.add_option_if(multi_access_x, "-DVEC_SIZE_OUT=" + support::cpp11::to_string(num_elems_processed_per_iteration_x));
139 build_opts.add_option_if(multi_access_x, "-DLAST_ACCESSED_X_IN=" + support::cpp11::to_string(std::max<int>(_input->info()->dimension(0) - _num_elems_processed_per_iteration_input_x, 0)));
140 build_opts.add_option_if(multi_access_x, "-DLAST_ACCESSED_X_OUT=" + support::cpp11::to_string(std::max<int>(output_width_x - num_elems_processed_per_iteration_x, 0)));
141 _kernel = create_kernel(compile_context, "upsample_layer_" + lower_string(string_from_data_layout(input->info()->data_layout())), build_opts.options());
142
143 ICLKernel::configure_internal(win);
144 }
145
run(const Window & window,cl::CommandQueue & queue)146 void CLUpsampleLayerKernel::run(const Window &window, cl::CommandQueue &queue)
147 {
148 ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this);
149 ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICLKernel::window(), window);
150
151 Window collapsed_window = window.collapse_if_possible(ICLKernel::window(), Window::DimZ);
152 Window slice_out = collapsed_window.first_slice_window_3D();
153 Window slice_in = collapsed_window.first_slice_window_3D();
154
155 switch(_data_layout)
156 {
157 case DataLayout::NCHW:
158 slice_in.set(Window::DimX, Window::Dimension(0, _input->info()->dimension(0), _num_elems_processed_per_iteration_input_x));
159 slice_in.set(Window::DimY, Window::Dimension(0, _input->info()->dimension(1), 1));
160 break;
161 case DataLayout::NHWC:
162 slice_in.set(Window::DimY, Window::Dimension(0, _input->info()->dimension(1), 1));
163 slice_in.set(Window::DimZ, Window::Dimension(0, _input->info()->dimension(2), 1));
164 break;
165 default:
166 ARM_COMPUTE_ERROR("Not implemented");
167 }
168
169 do
170 {
171 unsigned int idx = 0;
172 add_3D_tensor_argument(idx, _input, slice_in);
173 add_3D_tensor_argument(idx, _output, slice_out);
174 enqueue(queue, *this, slice_out, lws_hint());
175 }
176 while(collapsed_window.slide_window_slice_3D(slice_out) && collapsed_window.slide_window_slice_3D(slice_in));
177 }
178 } // namespace arm_compute
179