* Copyright (c) Huawei Technologies Co., Ltd. 2026. 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.
*/
* Description: Device resource manager factory.
*/
#ifndef DATASYSTEM_COMMON_DEVICE_DEVICE_RESOURCE_MANAGER_FACTORY_H
#define DATASYSTEM_COMMON_DEVICE_DEVICE_RESOURCE_MANAGER_FACTORY_H
#include <memory>
#include "datasystem/common/device/device_manager_factory.h"
#include "datasystem/common/device/device_resource_manager.h"
#ifdef USE_GPU
#include "datasystem/common/device/nvidia/cuda_resource_manager.h"
#endif
#if defined(USE_NPU) || defined(WITH_TESTS)
#include "datasystem/common/device/ascend/acl_resource_manager.h"
#endif
namespace datasystem {
class DeviceResourceManagerFactory {
public:
static std::unique_ptr<DeviceResourceManager> Create()
{
#if defined(WITH_TESTS) && !defined(BUILD_HETERO)
return std::make_unique<AclResourceManager>();
#else
switch (DeviceManagerFactory::ProbeBackend()) {
case DeviceBackend::NPU:
#if defined(USE_NPU) || defined(WITH_TESTS)
return std::make_unique<AclResourceManager>();
#else
return nullptr;
#endif
case DeviceBackend::GPU:
#ifdef USE_GPU
return std::make_unique<CudaResourceManager>();
#else
return nullptr;
#endif
case DeviceBackend::UNKNOWN:
default:
LOG(INFO) << "No accelerator backend detected for DeviceResourceManagerFactory.";
return nullptr;
}
#endif
}
private:
DeviceResourceManagerFactory() = delete;
~DeviceResourceManagerFactory() = delete;
};
}
#endif
