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/CLReverseKernel.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 "src/core/CL/CLValidate.h"
32 #include "src/core/helpers/AutoConfiguration.h"
33 #include "src/core/helpers/WindowHelpers.h"
34 #include "support/StringSupport.h"
35
36 namespace arm_compute
37 {
38 namespace
39 {
validate_arguments(const ITensorInfo * input,const ITensorInfo * output,const ITensorInfo * axis)40 Status validate_arguments(const ITensorInfo *input, const ITensorInfo *output, const ITensorInfo *axis)
41 {
42 ARM_COMPUTE_ERROR_ON_NULLPTR(input, output, axis);
43 ARM_COMPUTE_RETURN_ERROR_ON_F16_UNSUPPORTED(input);
44 ARM_COMPUTE_RETURN_ERROR_ON(input->data_type() == DataType::UNKNOWN);
45 ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(axis, 1, DataType::U32);
46 ARM_COMPUTE_RETURN_ERROR_ON_MSG(axis->num_dimensions() > 1, "Axis must be a 1D tensor");
47 ARM_COMPUTE_RETURN_ERROR_ON_MSG(axis->dimension(0) > 4, "Only up to 4 dimensions can be reversed");
48
49 // Checks performed when output is configured
50 if(output->total_size() != 0)
51 {
52 ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(input, output);
53 ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, output);
54 ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_QUANTIZATION_INFO(input, output);
55 }
56
57 return Status{};
58 }
59 } // namespace
60
CLReverseKernel()61 CLReverseKernel::CLReverseKernel()
62 : _input(nullptr), _output(nullptr), _axis(nullptr)
63 {
64 }
65
configure(const ICLTensor * input,ICLTensor * output,const ICLTensor * axis)66 void CLReverseKernel::configure(const ICLTensor *input, ICLTensor *output, const ICLTensor *axis)
67 {
68 configure(CLKernelLibrary::get().get_compile_context(), input, output, axis);
69 }
70
configure(const CLCompileContext & compile_context,const ICLTensor * input,ICLTensor * output,const ICLTensor * axis)71 void CLReverseKernel::configure(const CLCompileContext &compile_context, const ICLTensor *input, ICLTensor *output, const ICLTensor *axis)
72 {
73 ARM_COMPUTE_ERROR_ON_NULLPTR(input, output, axis);
74
75 _input = input;
76 _output = output;
77 _axis = axis;
78
79 // Output tensor auto initialization if not yet initialized
80 auto_init_if_empty(*output->info(), *input->info()->clone());
81
82 ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(input->info(), output->info(), axis->info()));
83
84 // Set kernel build options
85 CLBuildOptions build_opts;
86 build_opts.add_option("-DNUM_REVERSE_DIMS=" + support::cpp11::to_string(axis->info()->dimension(0)));
87 build_opts.add_option("-DDATA_TYPE=" + get_cl_unsigned_type_from_element_size(input->info()->element_size()));
88
89 // Create kernel
90 _kernel = create_kernel(compile_context, "reverse", build_opts.options());
91
92 // Set static kernel arguments
93 unsigned int idx = 2 * num_arguments_per_4D_tensor() + num_arguments_per_1D_tensor();
94 add_argument<cl_uint>(idx, input->info()->dimension(0));
95 add_argument<cl_uint>(idx, input->info()->dimension(1));
96 add_argument<cl_uint>(idx, input->info()->dimension(2));
97 add_argument<cl_uint>(idx, input->info()->dimension(3));
98
99 // Configure kernel window
100 Window win = calculate_max_window(*output->info(), Steps());
101 ICLKernel::configure_internal(win);
102
103 // Set config_id for enabling LWS tuning
104 _config_id += "reverse_";
105 _config_id += lower_string(string_from_data_type(input->info()->data_type()));
106 _config_id += "_";
107 _config_id += support::cpp11::to_string(input->info()->dimension(0));
108 _config_id += "_";
109 _config_id += support::cpp11::to_string(input->info()->dimension(1));
110 _config_id += "_";
111 _config_id += support::cpp11::to_string(input->info()->dimension(2));
112 }
113
validate(const ITensorInfo * input,const ITensorInfo * output,const ITensorInfo * axis)114 Status CLReverseKernel::validate(const ITensorInfo *input, const ITensorInfo *output, const ITensorInfo *axis)
115 {
116 ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(input, output, axis));
117 return Status{};
118 }
119
run(const Window & window,cl::CommandQueue & queue)120 void CLReverseKernel::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(ICLKernel::window(), Window::DimZ);
126 Window slice = collapsed.first_slice_window_4D();
127 Window axis_slice = collapsed.first_slice_window_1D();
128
129 do
130 {
131 unsigned int idx = 0;
132 add_4D_tensor_argument(idx, _input, slice);
133 add_1D_tensor_argument(idx, _axis, axis_slice);
134 add_4D_tensor_argument(idx, _output, slice);
135 enqueue(queue, *this, slice, lws_hint());
136 }
137 while(collapsed.slide_window_slice_4D(slice));
138 }
139 } // namespace arm_compute
140