* Copyright (c) 2025 Huawei Technologies Co., Ltd.
* This program is free software, you can redistribute it and/or modify it under the terms and conditions of
* CANN Open Software License Agreement Version 2.0 (the "License").
* Please refer to the License for details. You may not use this file except in compliance with the License.
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
* See LICENSE in the root of the software repository for the full text of the License.
*/
* \file id_gen.h
* \brief
*/
#include <atomic>
#include <mutex>
#pragma once
namespace npu::tile_fwk {
enum class IdType {
RAW_TENSOR,
FUNCTION,
LOGICAL_TENSOR,
TENSOR_INDEX,
};
template <IdType T>
class IdGen {
public:
static auto& Inst()
{
static IdGen<T> inst;
return inst;
}
auto NewId() { return id_.fetch_add(1, std::memory_order_relaxed); }
auto CurId() const { return id_.load(std::memory_order_acquire); }
void Reset()
{
std::lock_guard<std::mutex> lock(mutex_);
id_.store(0, std::memory_order_release);
}
void SetId(int id)
{
std::lock_guard<std::mutex> lock(mutex_);
id_.store(id, std::memory_order_release);
}
private:
IdGen() = default;
std::atomic<int> id_{0};
std::mutex mutex_;
};
}
