1/*******************************************************************************
2* Copyright 2019-2020 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_CPU_STREAM_HPP
18#define CPU_CPU_STREAM_HPP
19
20#include "oneapi/dnnl/dnnl_config.h"
21
22#if DNNL_CPU_RUNTIME == DNNL_RUNTIME_THREADPOOL
23#include "oneapi/dnnl/dnnl_threadpool_iface.hpp"
24#endif
25
26#include "common/c_types_map.hpp"
27#include "common/dnnl_thread.hpp"
28#include "common/stream.hpp"
29
30namespace dnnl {
31namespace impl {
32namespace cpu {
33
34struct cpu_stream_t : public stream_t {
35 cpu_stream_t(engine_t *engine, unsigned flags) : stream_t(engine, flags) {}
36 virtual ~cpu_stream_t() = default;
37
38 dnnl::impl::status_t wait() override {
39 // CPU execution is synchronous so return immediately
40 return dnnl::impl::status::success;
41 }
42
43#if DNNL_CPU_RUNTIME == DNNL_RUNTIME_THREADPOOL
44 cpu_stream_t(engine_t *engine,
45 dnnl::threadpool_interop::threadpool_iface *threadpool)
46 : stream_t(engine, threadpool) {}
47
48 void before_exec_hook() override {
49 dnnl::threadpool_interop::threadpool_iface *tp;
50 auto rc = this->get_threadpool(&tp);
51 if (rc == status::success) threadpool_utils::activate_threadpool(tp);
52 }
53
54 void after_exec_hook() override {
55 threadpool_utils::deactivate_threadpool();
56 }
57#endif
58};
59
60} // namespace cpu
61} // namespace impl
62} // namespace dnnl
63
64#endif
65