* 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.
*/
#ifndef OP_API_INC_DISTRIBUTE_BARRIER_H_
#define OP_API_INC_DISTRIBUTE_BARRIER_H_
#include <string>
#include "aclnn/aclnn_base.h"
#ifdef __cplusplus
extern "C" {
#endif
* 算子功能：实现全卡同步
* @brief
* aclnnDistributeBarrier的第一段接口，根据具体的计算流程，计算workspace大小。
* @domain aclnn_ops_infer
* @param [in] xRef: 计算输入，占位未使用，Tensor，支持bfloat16, float16,
* float32, bool, int8, int16, int32, int64, uint8, uint16, uint32, uint64。
* @param [in] group: 计算输入，str。通信域名称，专家并行的通信域。
* @param [in] worldSize: 计算输入，int64_t。通信域size。
* @param [out] workspaceSize: 出参，返回需要在npu device侧申请的workspace大小。
* @param [out] executor: 出参，返回op执行器，包含了算子计算流程。
* @return aclnnStatus: 返回值，返回状态码。
*
*/
__attribute__((visibility("default"))) aclnnStatus
aclnnDistributeBarrierGetWorkspaceSize(aclTensor* xRef, const char* group,
int64_t worldSize,
uint64_t* workspaceSize,
aclOpExecutor** executor);
* @brief aclnnDistributeBarrier的第二段接口，用于执行计算。
* @param [in] workspace: 在npu device侧申请的workspace内存起址。
* @param [in] workspace_size: 在npu
* device侧申请的workspace大小，由第一段接口aclnnDistributeBarrierGetWorkspaceSize获取。
* @param [in] executor: op执行器，包含了算子计算流程。
* @param [in] stream: acl stream流。
* @return aclnnStatus: 返回状态码
*/
__attribute__((visibility("default"))) aclnnStatus aclnnDistributeBarrier(
void* workspace, uint64_t workspaceSize, aclOpExecutor* executor,
aclrtStream stream);
#ifdef __cplusplus
}
#endif
#endif
