1 /*
2 * SPDX-FileCopyrightText: Copyright 2023-2024 Arm Limited and/or its affiliates <open-source-office@arm.com>
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 *
6 * Licensed under the Apache License, Version 2.0 (the License); you may
7 * not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
14 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19 /* ----------------------------------------------------------------------
20 * Project: CMSIS NN Library
21 * Title: arm_transpose_conv_get_buffer_sizes_s8.c
22 * Description: Collection of get buffer size functions for the transpose convolution layer functions.
23 *
24 * $Date: 29 October 2024
25 * $Revision: V.2.0.0
26 *
27 * Target : Arm(R) M-Profile Architecture
28 *
29 * -------------------------------------------------------------------- */
30
31 #include "Internal/arm_nn_compiler.h"
32 #include "arm_nnfunctions.h"
33 #include "arm_nnsupportfunctions.h"
34
35 /**
36 * @ingroup NNConv
37 */
38
39 /**
40 * @addtogroup GetBufferSizeNNConv
41 * @{
42 */
43
44 /*
45 * Get the required buffer size for arm_transpose_conv_s8. This is the recommended transpose conv s8 get buffer size
46 * function.
47 *
48 * Refer to header file for details.
49 *
50 */
arm_transpose_conv_s8_get_buffer_size(const cmsis_nn_transpose_conv_params * transpose_conv_params,const cmsis_nn_dims * input_dims,const cmsis_nn_dims * filter_dims,const cmsis_nn_dims * out_dims)51 int32_t arm_transpose_conv_s8_get_buffer_size(const cmsis_nn_transpose_conv_params *transpose_conv_params,
52 const cmsis_nn_dims *input_dims,
53 const cmsis_nn_dims *filter_dims,
54 const cmsis_nn_dims *out_dims)
55 {
56
57 const bool reverse_conv_possible =
58 ((transpose_conv_params->stride.w <= 2) && (transpose_conv_params->stride.h <= 2));
59 const bool reverse_conv_efficient = (input_dims->c > REVERSE_TCOL_EFFICIENT_THRESHOLD);
60
61 if (reverse_conv_possible && reverse_conv_efficient)
62 {
63 const cmsis_nn_dims reverse_conv_input_dims = {input_dims->n,
64 input_dims->h * transpose_conv_params->stride.h,
65 input_dims->w * transpose_conv_params->stride.w,
66 input_dims->c};
67 return arm_convolve_s8_get_buffer_size(&reverse_conv_input_dims, filter_dims);
68 }
69 else
70 {
71 const int32_t buf_x = ((input_dims->w - 1) * transpose_conv_params->stride.w +
72 MAX(filter_dims->w, transpose_conv_params->stride.h)) *
73 out_dims->c;
74 const int32_t buf_y = MAX(filter_dims->h, transpose_conv_params->stride.h);
75 return buf_x * buf_y * sizeof(int32_t);
76 }
77 }
78
arm_transpose_conv_s8_get_reverse_conv_buffer_size(const cmsis_nn_transpose_conv_params * transpose_conv_params,const cmsis_nn_dims * input_dims,const cmsis_nn_dims * filter_dims)79 int32_t arm_transpose_conv_s8_get_reverse_conv_buffer_size(const cmsis_nn_transpose_conv_params *transpose_conv_params,
80 const cmsis_nn_dims *input_dims,
81 const cmsis_nn_dims *filter_dims)
82 {
83 const bool reverse_conv_possible =
84 ((transpose_conv_params->stride.w <= 2) && (transpose_conv_params->stride.h <= 2));
85 const bool reverse_conv_efficient = (input_dims->c > REVERSE_TCOL_EFFICIENT_THRESHOLD);
86
87 if (reverse_conv_possible && reverse_conv_efficient)
88 {
89 return input_dims->c * filter_dims->w * filter_dims->h * filter_dims->n;
90 }
91 else
92 {
93 return 0;
94 }
95 }
96
97 /**
98 * @} end of GetBufferSizeNNConv group
99 */
100
