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/CLCopyKernel.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/Utils.h"
30 #include "src/core/helpers/AutoConfiguration.h"
31 #include "src/core/helpers/WindowHelpers.h"
32 #include "support/StringSupport.h"
33
34 namespace arm_compute
35 {
36 namespace
37 {
validate_arguments(const ITensorInfo * input,const ITensorInfo * output,Window * output_window=nullptr)38 Status validate_arguments(const ITensorInfo *input, const ITensorInfo *output, Window *output_window = nullptr)
39 {
40 ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(input, output);
41
42 // Validate output if initialized
43 if(output->total_size() != 0)
44 {
45 ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, output);
46 ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_QUANTIZATION_INFO(input, output);
47 if(output_window == nullptr)
48 {
49 ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DIMENSIONS(input->tensor_shape(), output->tensor_shape());
50 }
51 else
52 {
53 ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DIMENSIONS(input->tensor_shape(), output_window->shape());
54 }
55 }
56
57 return Status{};
58 }
59
60 } // namespace
61
CLCopyKernel()62 CLCopyKernel::CLCopyKernel()
63 : _input(nullptr), _output(nullptr), _output_window(), _has_output_window(false)
64 {
65 }
66
configure(const ICLTensor * input,ICLTensor * output,Window * output_window)67 void CLCopyKernel::configure(const ICLTensor *input, ICLTensor *output, Window *output_window)
68 {
69 configure(CLKernelLibrary::get().get_compile_context(), input, output, output_window);
70 }
71
configure(const CLCompileContext & compile_context,const ICLTensor * input,ICLTensor * output,Window * output_window)72 void CLCopyKernel::configure(const CLCompileContext &compile_context, const ICLTensor *input, ICLTensor *output, Window *output_window)
73 {
74 ARM_COMPUTE_ERROR_ON_NULLPTR(input, output);
75 ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(input->info(), output->info(), output_window));
76
77 auto padding_info = get_padding_info({ input, output });
78
79 _input = input;
80 _output = output;
81
82 // Create kernel
83 CLBuildOptions build_opts;
84 build_opts.add_option("-DDATA_TYPE=" + get_cl_type_from_data_type(input->info()->data_type()));
85
86 // Output auto inizialitation if not yet initialized
87 auto_init_if_empty(*(output->info()), *(input->info()));
88
89 // Configure window
90 const unsigned int vec_size_x = adjust_vec_size(16 / input->info()->element_size(), input->info()->dimension(0));
91
92 const Window win_config = calculate_max_window(*(input->info()), Steps(vec_size_x));
93
94 if(output_window != nullptr)
95 {
96 _has_output_window = true;
97 _output_window = Window(*output_window);
98 const int width_x = output_window->num_iterations(0);
99 const int vec_size_x_leftover = width_x % vec_size_x;
100 const bool multi_access_x = width_x >= static_cast<int32_t>(vec_size_x);
101
102 if(multi_access_x)
103 {
104 _output_window.set(Window::DimX, Window::Dimension(output_window->x().start(), ceil_to_multiple(output_window->x().end(), vec_size_x), vec_size_x));
105 }
106
107 build_opts.add_option("-DVEC_SIZE_LEFTOVER=" + support::cpp11::to_string(vec_size_x_leftover));
108 }
109 else
110 {
111 const int width_x = input->info()->tensor_shape().x();
112 const int vec_size_x_leftover = width_x % vec_size_x;
113
114 build_opts.add_option("-DVEC_SIZE_LEFTOVER=" + support::cpp11::to_string(vec_size_x_leftover));
115 }
116
117 build_opts.add_option("-DVEC_SIZE=" + support::cpp11::to_string(vec_size_x));
118
119 // Build kernel
120 _kernel = create_kernel(compile_context, "copy_tensor", build_opts.options());
121
122 // Validate and set the window
123 ICLKernel::configure_internal(win_config);
124
125 ARM_COMPUTE_ERROR_ON(has_padding_changed(padding_info));
126 }
127
validate(const arm_compute::ITensorInfo * input,const arm_compute::ITensorInfo * output,Window * output_window)128 Status CLCopyKernel::validate(const arm_compute::ITensorInfo *input, const arm_compute::ITensorInfo *output, Window *output_window)
129 {
130 ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(input, output, output_window));
131
132 return Status{};
133 }
134
run(const Window & window,cl::CommandQueue & queue)135 void CLCopyKernel::run(const Window &window, cl::CommandQueue &queue)
136 {
137 ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this);
138 ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICLKernel::window(), window);
139
140 Window slice;
141
142 if(_has_output_window)
143 {
144 slice = window.first_slice_window_3D();
145 Window out_slice = _output_window.first_slice_window_3D();
146 do
147 {
148 unsigned int idx = 0;
149 add_3D_tensor_argument(idx, _input, slice);
150 add_3D_tensor_argument(idx, _output, out_slice);
151 enqueue(queue, *this, slice, lws_hint());
152 }
153 while(window.slide_window_slice_3D(slice) && _output_window.slide_window_slice_3D(out_slice));
154 }
155 else
156 {
157 Window collapsed = window.collapse_if_possible(ICLKernel::window(), Window::DimZ);
158 slice = collapsed.first_slice_window_3D();
159 do
160 {
161 unsigned int idx = 0;
162 add_3D_tensor_argument(idx, _input, slice);
163 add_3D_tensor_argument(idx, _output, slice);
164 enqueue(queue, *this, slice, lws_hint());
165 }
166 while(collapsed.slide_window_slice_3D(slice));
167 }
168 }
169 } // namespace arm_compute
170