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#include <assert.h>
18#include "mkldnn.h"
19
20#include "c_types_map.hpp"
21#include "type_helpers.hpp"
22#include "utils.hpp"
23
24using namespace mkldnn::impl;
25using namespace mkldnn::impl::utils;
26using namespace mkldnn::impl::status;
27using namespace mkldnn::impl::prop_kind;
28using namespace mkldnn::impl::types;
29
30namespace {
31status_t ip_desc_init(inner_product_desc_t *ip_desc, prop_kind_t prop_kind,
32 const memory_desc_t *src_desc, const memory_desc_t *weights_desc,
33 const memory_desc_t *bias_desc, const memory_desc_t *dst_desc) {
34 bool args_ok = !any_null(ip_desc, src_desc, weights_desc, dst_desc);
35 if (!args_ok) return invalid_arguments;
36
37 auto id = inner_product_desc_t();
38 id.primitive_kind = primitive_kind::inner_product;
39 id.prop_kind = prop_kind;
40
41 id.diff_src_desc = id.src_desc = zero_md();
42 id.diff_dst_desc = id.dst_desc = zero_md();
43 id.diff_weights_desc = id.weights_desc = zero_md();
44 id.diff_bias_desc = id.bias_desc = zero_md();
45
46 const bool is_fwd = one_of(prop_kind, forward_training, forward_inference);
47 const bool with_bias =
48 bias_desc && bias_desc->format_kind != format_kind::undef;
49
50 (prop_kind == backward_data ? id.diff_src_desc : id.src_desc) = *src_desc;
51 (is_fwd ? id.dst_desc : id.diff_dst_desc) = *dst_desc;
52 (prop_kind == backward_weights ? id.diff_weights_desc : id.weights_desc) =
53 *weights_desc;
54 if (with_bias)
55 (prop_kind == backward_weights ? id.diff_bias_desc : id.bias_desc) =
56 *bias_desc;
57
58 id.accum_data_type = types::default_accum_data_type(src_desc->data_type,
59 weights_desc->data_type, dst_desc->data_type, prop_kind);
60
61 bool consistency = true
62 && memory_desc_wrapper(weights_desc).nelems()
63 && one_of(src_desc->ndims, 2, 3, 4, 5)
64 && dst_desc->ndims == 2
65 && weights_desc->ndims == src_desc->ndims
66 && (with_bias ? bias_desc->ndims == 1 : true)
67 && (with_bias ? bias_desc->dims[0] == dst_desc->dims[1] : true)
68 && src_desc->dims[0] == dst_desc->dims[0]
69 && array_cmp(&src_desc->dims[1], &weights_desc->dims[1],
70 src_desc->ndims - 1)
71 && dst_desc->dims[1] == weights_desc->dims[0];
72 if (!consistency) return invalid_arguments;
73
74 *ip_desc = id;
75 return success;
76}
77}
78
79status_t mkldnn_inner_product_forward_desc_init(inner_product_desc_t *ip_desc,
80 prop_kind_t prop_kind, const memory_desc_t *src_desc,
81 const memory_desc_t *weights_desc, const memory_desc_t *bias_desc,
82 const memory_desc_t *dst_desc) {
83 if (!one_of(prop_kind, forward_training, forward_inference))
84 return invalid_arguments;
85 return ip_desc_init(ip_desc, prop_kind, src_desc, weights_desc, bias_desc,
86 dst_desc);
87}
88
89status_t mkldnn_inner_product_backward_data_desc_init(
90 inner_product_desc_t *ip_desc, const memory_desc_t *diff_src_desc,
91 const memory_desc_t *weights_desc, const memory_desc_t *diff_dst_desc)
92{
93 return ip_desc_init(ip_desc, backward_data, diff_src_desc, weights_desc,
94 nullptr, diff_dst_desc);
95}
96
97status_t mkldnn_inner_product_backward_weights_desc_init(
98 inner_product_desc_t *ip_desc, const memory_desc_t *src_desc,
99 const memory_desc_t *diff_weights_desc,
100 const memory_desc_t *diff_bias_desc,
101 const memory_desc_t *diff_dst_desc) {
102 return ip_desc_init(ip_desc, backward_weights, src_desc, diff_weights_desc,
103 diff_bias_desc, diff_dst_desc);
104}
105
106// vim: et ts=4 sw=4 cindent cino^=l0,\:0,N-s
107