1 /*
2 * Copyright (c) 2020-2021 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 #ifndef EXAMPLES_GEMMTUNERHELPERS_H
25 #define EXAMPLES_GEMMTUNERHELPERS_H
26
27 #include "arm_compute/core/CL/CLHelpers.h"
28 #include "arm_compute/core/CL/CLKernelLibrary.h"
29
30 namespace examples
31 {
32 namespace gemm_tuner_helpers
33 {
update_padding_for_cl_image(arm_compute::ITensorInfo * tensor)34 bool update_padding_for_cl_image(arm_compute::ITensorInfo *tensor)
35 {
36 constexpr unsigned int num_floats_per_pixel = 4;
37
38 const unsigned int stride_y_in_elements = tensor->strides_in_bytes()[1] / tensor->element_size();
39 const unsigned int pixel_aligment = arm_compute::get_cl_image_pitch_alignment(
40 arm_compute::CLKernelLibrary::get().get_device());
41 if(pixel_aligment == 0)
42 {
43 return false;
44 }
45 const unsigned int row_pitch_alignment = pixel_aligment * num_floats_per_pixel;
46 const unsigned int round_up_width =
47 ((stride_y_in_elements + row_pitch_alignment - 1) / row_pitch_alignment) * row_pitch_alignment;
48 const unsigned int padding = round_up_width - stride_y_in_elements;
49
50 tensor->extend_padding(arm_compute::PaddingSize(0, padding, 0, 0));
51 return true;
52 }
53 } // namespace gemm_tuner_helpers
54 } // namespace examples
55
56 #endif /* EXAMPLES_GEMMTUNERHELPERS_H */
57