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/CLMemsetKernel.h"
25 #include "arm_compute/core/CL/ICLTensor.h"
26 #include "arm_compute/core/utils/misc/ShapeCalculator.h"
27 #include "src/core/helpers/WindowHelpers.h"
28 #include "support/StringSupport.h"
29
30 namespace arm_compute
31 {
CLMemsetKernel()32 CLMemsetKernel::CLMemsetKernel()
33 : ICLKernel(), _tensor(nullptr), _full_window()
34 {
35 }
36
configure(ICLTensor * tensor,const PixelValue & constant_value,Window * window)37 void CLMemsetKernel::configure(ICLTensor *tensor,
38 const PixelValue &constant_value,
39 Window *window)
40 {
41 configure(CLKernelLibrary::get().get_compile_context(), tensor, constant_value, window);
42 }
43
configure(const CLCompileContext & compile_context,ICLTensor * tensor,const PixelValue & constant_value,Window * window)44 void CLMemsetKernel::configure(const CLCompileContext &compile_context, ICLTensor *tensor,
45 const PixelValue &constant_value,
46 Window *window)
47 {
48 ARM_COMPUTE_ERROR_ON_NULLPTR(tensor);
49 ARM_COMPUTE_ERROR_THROW_ON(validate(tensor->info(), constant_value, window));
50
51 _tensor = tensor;
52
53 const DataType data_type = tensor->info()->data_type();
54 const int vec_size_x = 16 / tensor->info()->element_size();
55
56 // Create and update the window (if needed)
57 _full_window = calculate_max_window(*tensor->info());
58 Window win = _full_window;
59 if(window != nullptr)
60 {
61 ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(win, *window);
62 win = *window;
63 }
64
65 const int output_width_x = win.num_iterations(0);
66 const bool multi_access_x = output_width_x >= vec_size_x;
67 const bool remainder_x = output_width_x % vec_size_x > 0;
68
69 if(multi_access_x)
70 {
71 win.set(Window::DimX, Window::Dimension(win.x().start(), ceil_to_multiple(win.x().end(), vec_size_x), vec_size_x));
72 }
73 ICLKernel::configure_internal(win);
74
75 // Create kernel
76 CLBuildOptions build_opts;
77 build_opts.add_option("-DDATA_TYPE=" + get_cl_type_from_data_type(data_type));
78 build_opts.add_option("-DCONSTANT_VALUE=" + string_from_pixel_value(constant_value, data_type));
79 build_opts.add_option_if(multi_access_x, "-DVEC_SIZE=" + support::cpp11::to_string(vec_size_x));
80 build_opts.add_option_if(multi_access_x && remainder_x, "-DLAST_ACCESSED_X=" + support::cpp11::to_string(std::max<int>(output_width_x - vec_size_x, 0)));
81 _kernel = create_kernel(compile_context, "memset", build_opts.options());
82 }
83
validate(const ITensorInfo * tensor,const PixelValue & constant_value,Window * window)84 Status CLMemsetKernel::validate(const ITensorInfo *tensor, const PixelValue &constant_value, Window *window)
85 {
86 ARM_COMPUTE_UNUSED(tensor);
87 ARM_COMPUTE_UNUSED(constant_value);
88 if(window != nullptr)
89 {
90 ARM_COMPUTE_RETURN_ERROR_ON(window->x().step() != 1);
91 }
92 return Status{};
93 }
94
run(const Window & window,cl::CommandQueue & queue)95 void CLMemsetKernel::run(const Window &window, cl::CommandQueue &queue)
96 {
97 ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this);
98 ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICLKernel::window(), window);
99
100 // Collapse all the batches on the third
101 Window collapsed = window.collapse_if_possible(_full_window, Window::DimZ);
102 Window slice = collapsed.first_slice_window_3D();
103
104 do
105 {
106 unsigned int idx = 0;
107 add_3D_tensor_argument(idx, _tensor, slice);
108 enqueue(queue, *this, slice, lws_hint());
109 }
110 while(collapsed.slide_window_slice_3D(slice));
111 }
112 } // namespace arm_compute
113