1 /*
2  * Copyright (c) 2022 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 
25 #include "depthwise_strategies_common.hpp"
26 
27 namespace arm_conv {
28 namespace depthwise {
29 
get_input_rows() const30 unsigned int DepthfirstStrategyUntyped::get_input_rows() const
31 {
32   return this->get_kernel_rows() + (this->get_output_rows() - 1) * this->get_stride_rows();
33 }
34 
get_input_cols() const35 unsigned int DepthfirstStrategyUntyped::get_input_cols() const
36 {
37   return this->get_kernel_cols() + (this->get_output_cols() - 1) * this->get_stride_cols();
38 }
39 
get_n_input_points() const40 unsigned int DepthfirstStrategyUntyped::get_n_input_points() const { return this->get_input_rows() * this->get_input_cols(); }
get_n_output_points() const41 unsigned int DepthfirstStrategyUntyped::get_n_output_points() const { return this->get_output_rows() * this->get_output_cols(); }
get_n_kernel_points() const42 unsigned int DepthfirstStrategyUntyped::get_n_kernel_points() const { return this->get_kernel_rows() * this->get_kernel_cols(); }
43 
get_accumulator_depth_vl() const44 unsigned int DepthfirstStrategyUntyped::get_accumulator_depth_vl() const { return 1; }
45 
get_kernel_packing_point(const unsigned int index,unsigned int & x,unsigned int & y) const46 bool DepthfirstStrategyUntyped::get_kernel_packing_point(const unsigned int index, unsigned int &x, unsigned int &y) const
47 {
48   // Get the kernel point to pack at the given index; return false to
49   // indicate that this index, and all greater indices, is out of range.
50   if (index < (this->get_kernel_cols() * this->get_kernel_rows()))
51   {
52     y = index % this->get_kernel_cols();
53     x = index / this->get_kernel_cols();
54     return true;
55   }
56   return false;
57 }
58 
59 }  // namespace depthwise
60 }  // namespace arm_conv
61