1/*******************************************************************************
2* Copyright 2016-2022 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 CPU_REF_LRN_HPP
18#define CPU_REF_LRN_HPP
19
20#include <assert.h>
21
22#include "common/c_types_map.hpp"
23#include "common/primitive.hpp"
24#include "common/type_helpers.hpp"
25#include "common/utils.hpp"
26
27#include "cpu/platform.hpp"
28
29#include "cpu/cpu_lrn_pd.hpp"
30
31namespace dnnl {
32namespace impl {
33namespace cpu {
34
35template <data_type_t d_type>
36struct ref_lrn_fwd_t : public primitive_t {
37 struct pd_t : public cpu_lrn_fwd_pd_t {
38 using cpu_lrn_fwd_pd_t::cpu_lrn_fwd_pd_t;
39
40 DECLARE_COMMON_PD_T("ref:any", ref_lrn_fwd_t);
41
42 status_t init(engine_t *engine) {
43 using namespace format_tag;
44 using namespace data_type;
45
46 const memory_desc_wrapper src_d(src_md());
47 const memory_desc_wrapper dst_d(dst_md());
48
49 bool ok = is_fwd()
50 && utils::everyone_is(
51 d_type, src_md()->data_type, dst_md()->data_type)
52 && platform::has_data_type_support(d_type)
53 && attr()->has_default_values()
54 && set_default_formats_common() && src_d == dst_d;
55 if (!ok) return status::unimplemented;
56
57 dat_tag_ = memory_desc_matches_one_of_tag(
58 *src_md(), nChw16c, nChw8c, nchw, nhwc);
59
60 return status::success;
61 }
62
63 format_tag_t dat_tag_;
64 };
65
66 ref_lrn_fwd_t(const pd_t *apd) : primitive_t(apd) {}
67 typedef typename prec_traits<d_type>::type data_t;
68
69 status_t execute(const exec_ctx_t &ctx) const override {
70 using namespace format_tag;
71 switch (pd()->dat_tag_) {
72 case nChw16c: return execute_forward<nChw16c>(ctx); break;
73 case nChw8c: return execute_forward<nChw8c>(ctx); break;
74 case nchw: return execute_forward<nchw>(ctx); break;
75 case nhwc: return execute_forward<nhwc>(ctx); break;
76 default: return execute_forward<any>(ctx);
77 }
78 return status::success;
79 }
80
81private:
82 template <format_tag_t tag>
83 status_t execute_forward(const exec_ctx_t &ctx) const;
84 const pd_t *pd() const { return (const pd_t *)primitive_t::pd().get(); }
85};
86
87template <impl::data_type_t d_type>
88struct ref_lrn_bwd_t : public primitive_t {
89 struct pd_t : public cpu_lrn_bwd_pd_t {
90 using cpu_lrn_bwd_pd_t::cpu_lrn_bwd_pd_t;
91
92 DECLARE_COMMON_PD_T("ref:any", ref_lrn_bwd_t);
93
94 status_t init(engine_t *engine) {
95 using namespace format_tag;
96 using namespace data_type;
97
98 const memory_desc_wrapper diff_src_d(diff_src_md());
99 const memory_desc_wrapper diff_dst_d(diff_dst_md());
100
101 bool ok = !is_fwd()
102 && utils::everyone_is(d_type, src_md()->data_type,
103 diff_src_md()->data_type, diff_dst_md()->data_type)
104 && platform::has_data_type_support(d_type)
105 && attr()->has_default_values()
106 && set_default_formats_common() && diff_dst_d == diff_src_d;
107 if (!ok) return status::unimplemented;
108
109 dat_tag_ = memory_desc_matches_one_of_tag(
110 *src_md(), nChw16c, nChw8c, nchw, nhwc);
111
112 return status::success;
113 }
114
115 format_tag_t dat_tag_;
116 };
117
118 ref_lrn_bwd_t(const pd_t *apd) : primitive_t(apd) {}
119 typedef typename prec_traits<d_type>::type data_t;
120
121 status_t execute(const exec_ctx_t &ctx) const override {
122 using namespace format_tag;
123 switch (pd()->dat_tag_) {
124 case nChw16c: return execute_backward<nChw16c>(ctx); break;
125 case nChw8c: return execute_backward<nChw8c>(ctx); break;
126 case nchw: return execute_backward<nchw>(ctx); break;
127 case nhwc: return execute_backward<nhwc>(ctx); break;
128 default: return execute_backward<any>(ctx);
129 }
130 return status::success;
131 }
132
133private:
134 template <format_tag_t tag>
135 status_t execute_backward(const exec_ctx_t &ctx) const;
136 const pd_t *pd() const { return (const pd_t *)primitive_t::pd().get(); }
137};
138
139} // namespace cpu
140} // namespace impl
141} // namespace dnnl
142
143#endif
144
145// vim: et ts=4 sw=4 cindent cino+=l0,\:4,N-s
146