1 /**
2 * Copyright 2020 Huawei Technologies Co., Ltd
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "nnacl/base/depth_to_space_base.h"
18 #include "nnacl/errorcode.h"
19
DepthToSpaceForNHWC(const void * input,void * output,const int * in_shape,const DepthToSpaceArgs * param)20 void DepthToSpaceForNHWC(const void *input, void *output, const int *in_shape, const DepthToSpaceArgs *param) {
21 int32_t block_size = param->block_size_;
22 int32_t in_shape_dim2 = in_shape[2];
23 int32_t in_shape_dim1 = in_shape[1];
24 size_t copy_size = (size_t)block_size * param->out_stride_dim2_ * param->data_type_size_;
25 for (int i = 0; i < in_shape[0]; ++i) {
26 int64_t in_offset_n = i * param->in_stride_dim0_;
27 int64_t out_offset_n = i * param->out_stride_dim0_;
28 for (int j = 0; j < in_shape_dim1; ++j) {
29 int64_t in_offset_h = in_offset_n + j * param->in_stride_dim1_;
30 int64_t out_offset_h = out_offset_n + j * block_size * param->out_stride_dim1_;
31 for (int k = 0; k < in_shape_dim2; ++k) {
32 int64_t in_offset_w = in_offset_h + k * param->in_stride_dim2_;
33 int64_t out_offset_w = out_offset_h + k * block_size * param->out_stride_dim2_;
34 for (int l = 0; l < block_size; ++l) {
35 int64_t out_offset = (out_offset_w + l * param->out_stride_dim1_) * param->data_type_size_;
36 int64_t in_offset = (in_offset_w + l * block_size * param->out_stride_dim2_) * param->data_type_size_;
37 memcpy((int8_t *)output + out_offset, (int8_t *)input + in_offset, copy_size);
38 }
39 }
40 }
41 }
42 }
43
DepthToSpaceCRDForNHWC(const void * input,void * output,const int * in_shape,const DepthToSpaceArgs * param)44 void DepthToSpaceCRDForNHWC(const void *input, void *output, const int *in_shape, const DepthToSpaceArgs *param) {
45 int32_t block_size = param->block_size_;
46 int32_t in_shape_dim3 = in_shape[3];
47 int32_t in_shape_dim2 = in_shape[2];
48 int32_t in_shape_dim1 = in_shape[1];
49 size_t copy_size = param->data_type_size_;
50 for (int i = 0; i < in_shape[0]; ++i) {
51 int64_t in_offset_n = i * param->in_stride_dim0_;
52 int64_t out_offset_n = i * param->out_stride_dim0_;
53 for (int j = 0; j < in_shape_dim1; ++j) {
54 int64_t in_offset_h = in_offset_n + j * param->in_stride_dim1_;
55 int64_t out_offset_h = out_offset_n + j * block_size * param->out_stride_dim1_;
56 for (int k = 0; k < in_shape_dim2; ++k) {
57 int64_t in_offset_w = in_offset_h + k * param->in_stride_dim2_;
58 int64_t out_offset_w = out_offset_h + k * block_size * param->out_stride_dim2_;
59 for (int l = 0; l < in_shape_dim3; ++l) {
60 int64_t offset = l % (block_size * block_size);
61 int64_t out_offset_c =
62 out_offset_w +
63 offset / block_size * block_size * in_shape_dim2 * in_shape_dim3 / (block_size * block_size) +
64 offset % block_size * in_shape_dim3 / (block_size * block_size);
65 int64_t out_offset = (out_offset_c + l / (block_size * block_size)) * param->data_type_size_;
66 int64_t in_offset = (in_offset_w + l) * param->data_type_size_;
67 memcpy((int8_t *)output + out_offset, (int8_t *)input + in_offset, copy_size);
68 }
69 }
70 }
71 }
72 }
73