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 CPU_PRIMITIVE_HPP
18#define CPU_PRIMITIVE_HPP
19
20#include "mkldnn.h"
21
22#include "c_types_map.hpp"
23#include "memory_tracking.hpp"
24#include "primitive.hpp"
25#include "scratchpad.hpp"
26
27#define CTX_IN_MEM(type, arg) static_cast<type>(ctx.input(arg))
28#define CTX_OUT_MEM(type, arg) static_cast<type>(ctx.output(arg))
29
30namespace mkldnn {
31namespace impl {
32namespace cpu {
33
34struct cpu_memory_t;
35
36struct cpu_primitive_t: public primitive_t {
37 cpu_primitive_t(const primitive_desc_t *pd,
38 bool use_global_scratchpad = false)
39 : primitive_t(pd)
40 , scratchpad_buffer_(nullptr)
41 , global_scratchpad_(nullptr)
42 {
43 const size_t scratchpad_size =
44 this->pd()->scratchpad_size(scratchpad_mode::library);
45
46 if (scratchpad_size) {
47 if (use_global_scratchpad)
48 global_scratchpad_ = create_scratchpad(scratchpad_size);
49 else
50 scratchpad_buffer_ = malloc(scratchpad_size, 64);
51 }
52 }
53
54 virtual ~cpu_primitive_t() {
55 delete global_scratchpad_;
56 free(scratchpad_buffer_);
57 }
58
59protected:
60 memory_tracking::grantor_t scratchpad(const exec_ctx_t &ctx) const {
61 void *ptr = nullptr;
62 if (pd()->attr()->scratchpad_mode_ == scratchpad_mode::user) {
63 ptr = CTX_OUT_MEM(void *, MKLDNN_ARG_SCRATCHPAD);
64 } else {
65 ptr = global_scratchpad_
66 ? global_scratchpad_->get() : scratchpad_buffer_;
67 }
68
69 return pd()->scratchpad_registry().grantor(ptr);
70 }
71
72private:
73 void *scratchpad_buffer_;
74 scratchpad_t *global_scratchpad_;
75};
76
77}
78}
79}
80
81#endif
82
83// vim: et ts=4 sw=4 cindent cino^=l0,\:0,N-s
84