1/*******************************************************************************
2* Copyright 2019-2022 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#include "cpu/cpu_engine.hpp"
18
19#include "cpu/ref_layer_normalization.hpp"
20#include "cpu/simple_layer_normalization.hpp"
21
22#if DNNL_X64
23#include "cpu/x64/jit_uni_layer_normalization.hpp"
24using namespace dnnl::impl::cpu::x64;
25#endif
26
27namespace dnnl {
28namespace impl {
29namespace cpu {
30
31namespace {
32using namespace dnnl::impl::data_type;
33using namespace dnnl::impl::prop_kind;
34
35// clang-format off
36const std::map<pk_impl_key_t, std::vector<impl_list_item_t>> &impl_list_map() {
37 static const std::map<pk_impl_key_t, std::vector<impl_list_item_t>> the_map = REG_LNORM_P({
38 {{forward}, {
39 CPU_INSTANCE_X64(jit_uni_layer_normalization_fwd_t)
40 CPU_INSTANCE(simple_layer_normalization_fwd_t)
41 CPU_INSTANCE(ref_layer_normalization_fwd_t)
42 nullptr,
43 }},
44 {{backward}, REG_BWD_PK({
45 CPU_INSTANCE_X64(jit_uni_layer_normalization_bwd_t)
46 CPU_INSTANCE(simple_layer_normalization_bwd_t)
47 CPU_INSTANCE(ref_layer_normalization_bwd_t)
48 nullptr,
49 })},
50 });
51 return the_map;
52}
53// clang-format on
54} // namespace
55
56const impl_list_item_t *get_layer_normalization_impl_list(
57 const layer_normalization_desc_t *desc) {
58 static const impl_list_item_t empty_list[] = {nullptr};
59
60 const bool is_fwd = utils::one_of(
61 desc->prop_kind, forward_training, forward_inference);
62 prop_kind_t prop_kind = is_fwd ? forward : backward;
63
64 pk_impl_key_t key {prop_kind};
65
66 const auto impl_list_it = impl_list_map().find(key);
67 return impl_list_it != impl_list_map().cend() ? impl_list_it->second.data()
68 : empty_list;
69}
70
71} // namespace cpu
72} // namespace impl
73} // namespace dnnl
74