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openvino/ngraph/test/runtime/cache.hpp

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//*****************************************************************************
// Copyright 2017-2020 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//*****************************************************************************
#pragma once
#include <algorithm>
#include <iostream>
#include <iterator>
#include <list>
#include <mutex>
#include <sstream>
#include <string>
#include <unordered_map>
#include "executable.hpp"
#include "ngraph/function.hpp"
#include "ngraph/shape.hpp"
namespace ngraph
{
namespace runtime
{
class LRUCache : public std::enable_shared_from_this<LRUCache>
{
public:
using GraphCache = std::unordered_map<std::string, std::shared_ptr<Executable>>;
using ClonedFunctionMap = std::unordered_map<std::string, std::shared_ptr<Function>>;
LRUCache();
virtual ~LRUCache();
void add_entry(const std::vector<int>& shape,
std::shared_ptr<Executable> exec,
std::shared_ptr<Function> func);
bool is_cached(const std::vector<int>& shape);
std::shared_ptr<Executable> get_cached_entry(const std::vector<int>& shape);
void convert_shape_to_string(const std::vector<int>& shape, std::ostringstream& key);
std::shared_ptr<Function> get_cloned_function(const std::vector<int>& shape);
private:
int m_cache_size;
GraphCache m_map;
ClonedFunctionMap m_clone_function_map;
std::list<std::vector<int>> m_list;
std::mutex m_mutex;
};
}
}