VTrain/base/ResourceManager/ResourceManager.h

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2024-11-27 12:47:45 +00:00
/*
* Copyright (c) 2020.Huawei Technologies Co., Ltd. All rights reserved.
* 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.
*/
#ifndef RESOURCEMANAGER_H
#define RESOURCEMANAGER_H
#include <vector>
#include <set>
#include <unordered_map>
#include <mutex>
#include "CommonDataType.h"
#include "Log.h"
#include "ErrorCode.h"
#include "FileManager.h"
enum ModelLoadMethod {
LOAD_FROM_FILE = 0, // Loading from file, memory of model and weights are managed by ACL
LOAD_FROM_MEM, // Loading from memory, memory of model and weights are managed by ACL
LOAD_FROM_FILE_WITH_MEM, // Loading from file, memory of model and weight are managed by user
LOAD_FROM_MEM_WITH_MEM // Loading from memory, memory of model and weight are managed by user
};
struct ModelInfo {
std::string modelName = {};
std::string modelPath = {}; // Path of om model file
size_t modelFileSize = {}; // Size of om model file
std::shared_ptr<void> modelFilePtr = nullptr; // Smart pointer of model file data
uint32_t modelWidth = {}; // Input width of model
uint32_t modelHeight = {}; // Input height of model
ModelLoadMethod method = {}; // Loading method of model
bool isEncrypted = false; // Declare whether the model is encrypted
int cardId = 0; // Which is needed by decrypting model
};
// Device resource info, such as model infos, etc
struct DeviceResInfo {
std::vector<ModelInfo> modelInfos = {};
};
struct ResourceInfo {
std::set<int> deviceIds = {};
std::string aclConfigPath = {};
std::string singleOpFolderPath = {};
std::unordered_map<int, DeviceResInfo> deviceResInfos = {}; // map <deviceId, deviceResourceInfo>
};
class ResourceManager {
public:
~ResourceManager() {};
// Get the Instance of resource manager
static std::shared_ptr<ResourceManager> GetInstance();
// Init the resource of resource manager
APP_ERROR InitResource(ResourceInfo& resourceInfo);
aclrtContext GetContext(int deviceId);
void Release();
protected:
ResourceManager() : initFlag(false) {};
private:
static std::shared_ptr<ResourceManager> ptr_;
bool initFlag;
std::vector<int> deviceIds_;
std::vector<aclrtContext> contexts_;
std::unordered_map<int, int> deviceIdMap_; // Map of device to index
};
#endif