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/CL/kernels/CLFloorKernel.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/Helpers.h"
30 #include "arm_compute/core/TensorInfo.h"
31 #include "arm_compute/core/Utils.h"
32 #include "arm_compute/core/Validate.h"
33 #include "src/core/CL/CLValidate.h"
34 #include "src/core/helpers/AutoConfiguration.h"
35 #include "src/core/helpers/WindowHelpers.h"
36 #include "support/StringSupport.h"
37
38 namespace arm_compute
39 {
40 namespace
41 {
validate_arguments(const ITensorInfo * input,const ITensorInfo * output)42 Status validate_arguments(const ITensorInfo *input, const ITensorInfo *output)
43 {
44 ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(input, output);
45 ARM_COMPUTE_RETURN_ERROR_ON_F16_UNSUPPORTED(input);
46 ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::F16, DataType::F32);
47
48 // Validate in case of configured output
49 if(output->total_size() > 0)
50 {
51 ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, output);
52 ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(input, output);
53 }
54
55 return Status{};
56 }
57
validate_and_configure_window(ITensorInfo * input,ITensorInfo * output)58 std::pair<Status, Window> validate_and_configure_window(ITensorInfo *input, ITensorInfo *output)
59 {
60 auto_init_if_empty(*output, *input);
61
62 const unsigned int num_elems_processed_per_iteration = 16 / input->element_size();
63
64 Window win = calculate_max_window(*input, Steps(num_elems_processed_per_iteration));
65 AccessWindowHorizontal input_access(input, 0, num_elems_processed_per_iteration);
66 AccessWindowHorizontal output_access(output, 0, num_elems_processed_per_iteration);
67 bool window_changed = update_window_and_padding(win, input_access, output_access);
68 output_access.set_valid_region(win, input->valid_region());
69
70 Status err = (window_changed) ? ARM_COMPUTE_CREATE_ERROR(ErrorCode::RUNTIME_ERROR, "Insufficient Padding!") : Status{};
71 return std::make_pair(err, win);
72 }
73 } // namespace
74
CLFloorKernel()75 CLFloorKernel::CLFloorKernel()
76 : _input(nullptr), _output(nullptr)
77 {
78 }
79
configure(const CLCompileContext & compile_context,const ICLTensor * input,ICLTensor * output)80 void CLFloorKernel::configure(const CLCompileContext &compile_context, const ICLTensor *input, ICLTensor *output)
81 {
82 ARM_COMPUTE_ERROR_ON_NULLPTR(input, output);
83
84 // Auto initialize output
85 auto_init_if_empty(*output->info(), input->info()->tensor_shape(), 1, input->info()->data_type());
86
87 // Validate
88 ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(input->info(), output->info()));
89
90 _input = input;
91 _output = output;
92
93 const unsigned int num_elems_processed_per_iteration = 16 / input->info()->element_size();
94 std::set<std::string> build_opts;
95 build_opts.emplace(("-DDATA_TYPE=" + get_cl_type_from_data_type(input->info()->data_type())));
96 build_opts.emplace(("-DVEC_SIZE=" + support::cpp11::to_string(num_elems_processed_per_iteration)));
97
98 // Create kernel
99 _kernel = create_kernel(compile_context, "floor_layer", build_opts);
100
101 // Configure kernel window
102 auto win_config = validate_and_configure_window(input->info(), output->info());
103 ARM_COMPUTE_ERROR_THROW_ON(win_config.first);
104 ICLKernel::configure_internal(win_config.second);
105 }
106
configure(const ICLTensor * input,ICLTensor * output)107 void CLFloorKernel::configure(const ICLTensor *input, ICLTensor *output)
108 {
109 configure(CLKernelLibrary::get().get_compile_context(), input, output);
110 }
111
validate(const ITensorInfo * input,const ITensorInfo * output)112 Status CLFloorKernel::validate(const ITensorInfo *input, const ITensorInfo *output)
113 {
114 ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(input, output));
115 ARM_COMPUTE_RETURN_ON_ERROR(validate_and_configure_window(input->clone().get(), output->clone().get()).first);
116
117 return Status{};
118 }
119
run(const Window & window,cl::CommandQueue & queue)120 void CLFloorKernel::run(const Window &window, cl::CommandQueue &queue)
121 {
122 ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this);
123 ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICLKernel::window(), window);
124
125 Window collapsed = window.collapse_if_possible(ICLKernel::window(), Window::DimZ);
126 Window slice = collapsed.first_slice_window_3D();
127
128 do
129 {
130 unsigned int idx = 0;
131 add_3D_tensor_argument(idx, _input, slice);
132 add_3D_tensor_argument(idx, _output, slice);
133 enqueue(queue, *this, slice, lws_hint());
134 }
135 while(collapsed.slide_window_slice_3D(slice));
136 }
137 } // namespace arm_compute
138