* Copyright (c) 2025-2026 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 stream_context.h
* \brief
*/
#pragma once
#include "adapter/api/runtime_api.h"
namespace npu::tile_fwk {
class StreamContext {
public:
StreamContext()
{
RuntimeStreamCreate(&aicoreStream_, RT_STREAM_PRIORITY_DEFAULT);
RuntimeStreamCreate(&scheStream_, RT_STREAM_PRIORITY_DEFAULT);
RuntimeStreamCreate(&ctrlStream_, RT_STREAM_PRIORITY_DEFAULT);
}
~StreamContext()
{
RuntimeStreamDestroy(aicoreStream_);
RuntimeStreamDestroy(scheStream_);
RuntimeStreamDestroy(ctrlStream_);
}
RtStream& GetAiCoreStream() { return aicoreStream_; }
RtStream& GetScheStream() { return scheStream_; }
RtStream& GetCtrlStream() { return ctrlStream_; }
RtStream& GetCurrentStream() { return currentStream_; }
void SetCurrentStream(const RtStream& stream) { currentStream_ = stream; }
private:
RtStream aicoreStream_{nullptr};
RtStream ctrlStream_{nullptr};
RtStream scheStream_{nullptr};
RtStream currentStream_{nullptr};
};
StreamContext &GetStreamContext();
RtStream GetContextAiCoreStream();
RtStream GetContextScheStream();
RtStream GetContextCtrlStream();
}