1 /*******************************************************************************
2 * Copyright 2016-2018 Intel Corporation
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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 *******************************************************************************/
17 #ifndef ELTWISE_PD_HPP
18 #define ELTWISE_PD_HPP
22 #include "c_types_map.hpp"
23 #include "primitive_desc.hpp"
24 #include "memory_pd.hpp"
29 struct eltwise_fwd_pd_t: public primitive_desc_t {
30 typedef eltwise_fwd_pd_t base_class;
31 typedef eltwise_fwd_pd_t hint_class;
32 static constexpr auto base_pkind = primitive_kind::eltwise;
34 eltwise_fwd_pd_t(mkldnn::impl::engine_t *engine,
35 const eltwise_desc_t *adesc, const primitive_attr_t *attr,
36 const eltwise_fwd_pd_t *hint_fwd_pd)
37 : primitive_desc_t(engine, attr, primitive_kind::eltwise)
38 , desc_(*adesc), hint_fwd_pd_(hint_fwd_pd) {}
39 virtual ~eltwise_fwd_pd_t() {}
41 const eltwise_desc_t *desc() const { return &desc_; }
42 virtual const op_desc_t *op_desc() const override
43 { return reinterpret_cast<const op_desc_t *>(this->desc()); }
44 virtual void init_info() override { init_info_eltwise(this, this->info_); }
46 virtual const memory_pd_t *input_pd(int index = 0) const override
47 { return index == 0 ? src_pd() : nullptr; }
48 virtual const memory_pd_t *output_pd(int index = 0) const override
49 { return index == 0 ? dst_pd() : nullptr; }
51 virtual int n_inputs() const override { return 1; }
52 virtual int n_outputs() const override { return 1; }
54 virtual status_t query(query_t what, int idx, void *result) const override
57 case query::eltwise_d:
58 *(const eltwise_desc_t**)result = desc(); break;
59 default: return primitive_desc_t::query(what, idx, result);
61 return status::success;
64 /* common eltwise aux functions */
66 inline int MB() const { return input_pd()->desc()->dims[0]; }
67 inline int C() const { return input_pd()->desc()->dims[1]; }
68 inline int D() const { return input_pd()->desc()->ndims == 4
69 ? 1 : input_pd()->desc()->dims[2]; }
70 inline int H() const { return input_pd()->desc()->ndims == 4
71 ? input_pd()->desc()->dims[2] : input_pd()->desc()->dims[3]; }
72 inline int W() const { return input_pd()->desc()->ndims == 4
73 ? input_pd()->desc()->dims[3] : input_pd()->desc()->dims[4]; }
75 inline bool is_zero_preserved() const {
76 return !utils::one_of(desc_.alg_kind, alg_kind::eltwise_linear,
77 alg_kind::eltwise_soft_relu, alg_kind::eltwise_logistic, alg_kind::eltwise_clamp);
82 const eltwise_fwd_pd_t *hint_fwd_pd_;
85 struct eltwise_bwd_pd_t: public primitive_desc_t {
86 typedef eltwise_bwd_pd_t base_class;
87 typedef eltwise_fwd_pd_t hint_class;
88 static constexpr auto base_pkind = primitive_kind::eltwise;
90 eltwise_bwd_pd_t(mkldnn::impl::engine_t *engine,
91 const eltwise_desc_t *adesc, const primitive_attr_t *attr,
92 const eltwise_fwd_pd_t *hint_fwd_pd)
93 : primitive_desc_t(engine, attr, primitive_kind::eltwise)
94 , desc_(*adesc), hint_fwd_pd_(hint_fwd_pd) {}
95 virtual ~eltwise_bwd_pd_t() {}
97 const eltwise_desc_t *desc() const { return &desc_; }
98 virtual const op_desc_t *op_desc() const override
99 { return reinterpret_cast<const op_desc_t *>(this->desc()); }
100 virtual void init_info() override { init_info_eltwise(this, this->info_); }
102 virtual const memory_pd_t *input_pd(int index = 0) const override
104 if (index == 0) return src_pd();
105 if (index == 1) return diff_dst_pd();
108 virtual const memory_pd_t *output_pd(int index = 0) const override
109 { return index == 0 ? diff_src_pd() : nullptr; }
111 virtual int n_inputs() const override { return 2; }
112 virtual int n_outputs() const override { return 1; }
114 virtual status_t query(query_t what, int idx, void *result) const override
117 case query::eltwise_d:
118 *(const eltwise_desc_t**)result = desc(); break;
119 default: return primitive_desc_t::query(what, idx, result);
121 return status::success;
124 /* common eltwise aux functions */
126 inline int MB() const { return desc_.data_desc.dims[0]; }
127 inline int C() const { return desc_.data_desc.dims[1]; }
128 inline int D() const { return desc_.data_desc.ndims == 4
129 ? 1 : desc_.data_desc.dims[2]; }
130 inline int H() const { return desc_.data_desc.ndims == 4
131 ? desc_.data_desc.dims[2] : desc_.data_desc.dims[3]; }
132 inline int W() const { return desc_.data_desc.ndims == 4
133 ? desc_.data_desc.dims[3] : desc_.data_desc.dims[4]; }
134 inline bool is_zero_preserved() const { return true; }
137 eltwise_desc_t desc_;
138 const eltwise_fwd_pd_t *hint_fwd_pd_;
146 // vim: et ts=4 sw=4 cindent cino^=l0,\:0,N-s