1 | /******************************************************************************* |
2 | * Copyright 2016-2018 Intel Corporation |
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 | #ifndef LRN_PD_HPP |
18 | #define LRN_PD_HPP |
19 | |
20 | #include "mkldnn.h" |
21 | |
22 | #include "c_types_map.hpp" |
23 | #include "primitive_desc.hpp" |
24 | |
25 | namespace mkldnn { |
26 | namespace impl { |
27 | |
28 | struct lrn_fwd_pd_t; |
29 | |
30 | struct lrn_pd_t: public primitive_desc_t { |
31 | static constexpr auto base_pkind = primitive_kind::lrn; |
32 | |
33 | lrn_pd_t(engine_t *engine, |
34 | const lrn_desc_t *adesc, |
35 | const primitive_attr_t *attr, |
36 | const lrn_fwd_pd_t *hint_fwd_pd) |
37 | : primitive_desc_t(engine, attr, base_pkind) |
38 | , desc_(*adesc) |
39 | , hint_fwd_pd_(hint_fwd_pd) |
40 | , data_md_(desc_.data_desc) |
41 | , ws_md_() |
42 | {} |
43 | |
44 | const lrn_desc_t *desc() const { return &desc_; } |
45 | virtual const op_desc_t *op_desc() const override |
46 | { return reinterpret_cast<const op_desc_t *>(this->desc()); } |
47 | virtual void init_info() override { impl::init_info(this, this->info_); } |
48 | |
49 | virtual status_t query(query_t what, int idx, void *result) const override { |
50 | switch (what) { |
51 | case query::lrn_d: |
52 | *(const lrn_desc_t**)result = desc(); break; |
53 | default: return primitive_desc_t::query(what, idx, result); |
54 | } |
55 | return status::success; |
56 | } |
57 | |
58 | /* common lrn aux functions */ |
59 | |
60 | dim_t MB() const { return data_desc().dims[0]; } |
61 | dim_t C() const { return data_desc().dims[1]; } |
62 | dim_t D() const { return ndims() >= 5 ? data_desc().dims[ndims() - 3] : 1; } |
63 | dim_t H() const { return ndims() >= 4 ? data_desc().dims[ndims() - 2] : 1; } |
64 | dim_t W() const { return ndims() >= 3 ? data_desc().dims[ndims() - 1] : 1; } |
65 | |
66 | int ndims() const { return data_desc().ndims; } |
67 | |
68 | bool has_zero_dim_memory() const |
69 | { return memory_desc_wrapper(desc_.data_desc).has_zero_dim(); } |
70 | |
71 | bool is_fwd() const { |
72 | return utils::one_of(desc_.prop_kind, prop_kind::forward_training, |
73 | prop_kind::forward_inference); |
74 | } |
75 | |
76 | protected: |
77 | lrn_desc_t desc_; |
78 | const lrn_fwd_pd_t *hint_fwd_pd_; |
79 | |
80 | memory_desc_t data_md_; |
81 | memory_desc_t ws_md_; |
82 | |
83 | private: |
84 | const memory_desc_t &data_desc() const { return desc_.data_desc; } |
85 | }; |
86 | |
87 | struct lrn_fwd_pd_t: public lrn_pd_t { |
88 | typedef lrn_fwd_pd_t base_class; |
89 | typedef lrn_fwd_pd_t hint_class; |
90 | |
91 | lrn_fwd_pd_t(engine_t *engine, |
92 | const lrn_desc_t *adesc, |
93 | const primitive_attr_t *attr, |
94 | const lrn_fwd_pd_t *hint_fwd_pd) |
95 | : lrn_pd_t(engine, adesc, attr, hint_fwd_pd) |
96 | {} |
97 | |
98 | virtual arg_usage_t arg_usage(primitive_arg_index_t arg) const override { |
99 | if (arg == MKLDNN_ARG_SRC) |
100 | return arg_usage_t::input; |
101 | |
102 | if (arg == MKLDNN_ARG_DST) |
103 | return arg_usage_t::output; |
104 | |
105 | if (arg == MKLDNN_ARG_WORKSPACE && (workspace_md() != nullptr)) |
106 | return arg_usage_t::output; |
107 | |
108 | return primitive_desc_t::arg_usage(arg); |
109 | } |
110 | |
111 | virtual const memory_desc_t *src_md(int index = 0) const override |
112 | { return index == 0 ? &data_md_ : nullptr; } |
113 | virtual const memory_desc_t *dst_md(int index = 0) const override |
114 | { return index == 0 ? &data_md_ : nullptr; } |
115 | virtual const memory_desc_t *workspace_md(int index = 0) const override |
116 | { return index == 0 && !types::is_zero_md(&ws_md_) ? &ws_md_ : nullptr; } |
117 | |
118 | virtual int n_inputs() const override { return 1; } |
119 | virtual int n_outputs() const override |
120 | { return 1 + (workspace_md() != nullptr); } |
121 | }; |
122 | |
123 | struct lrn_bwd_pd_t: public lrn_pd_t { |
124 | typedef lrn_bwd_pd_t base_class; |
125 | typedef lrn_fwd_pd_t hint_class; |
126 | |
127 | lrn_bwd_pd_t(engine_t *engine, |
128 | const lrn_desc_t *adesc, |
129 | const primitive_attr_t *attr, |
130 | const lrn_fwd_pd_t *hint_fwd_pd) |
131 | : lrn_pd_t(engine, adesc, attr, hint_fwd_pd) |
132 | , diff_data_md_(desc_.diff_data_desc) |
133 | {} |
134 | |
135 | virtual arg_usage_t arg_usage(primitive_arg_index_t arg) const override { |
136 | if (utils::one_of(arg, MKLDNN_ARG_SRC, MKLDNN_ARG_DIFF_DST)) |
137 | return arg_usage_t::input; |
138 | |
139 | if (arg == MKLDNN_ARG_DIFF_SRC) |
140 | return arg_usage_t::output; |
141 | |
142 | if (arg == MKLDNN_ARG_WORKSPACE && (workspace_md() != nullptr)) |
143 | return arg_usage_t::input; |
144 | |
145 | return primitive_desc_t::arg_usage(arg); |
146 | } |
147 | |
148 | virtual const memory_desc_t *src_md(int index = 0) const override |
149 | { return index == 0 ? &data_md_ : nullptr; } |
150 | virtual const memory_desc_t *diff_dst_md(int index = 0) const override |
151 | { return index == 0 ? &diff_data_md_ : nullptr; } |
152 | virtual const memory_desc_t *diff_src_md(int index = 0) const override |
153 | { return index == 0 ? &diff_data_md_ : nullptr; } |
154 | virtual const memory_desc_t *workspace_md(int index = 0) const override |
155 | { return index == 0 && !types::is_zero_md(&ws_md_) ? &ws_md_ : nullptr; } |
156 | |
157 | virtual int n_inputs() const override |
158 | { return 2 + (workspace_md() != nullptr); } |
159 | virtual int n_outputs() const override { return 1; } |
160 | |
161 | protected: |
162 | memory_desc_t diff_data_md_; |
163 | }; |
164 | |
165 | } |
166 | } |
167 | |
168 | #endif |
169 | |
170 | // vim: et ts=4 sw=4 cindent cino^=l0,\:0,N-s |
171 | |