xref: /third_party/mindspore/tests/ut/cpp/stub/hccl/hccl_stub.cc

/**
 * Copyright 2020 Huawei Technologies Co., Ltd
 *
 * 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.
 */

/* runtime基础数据类型声明 */

/* HCCL基础数据类型声明 */
#include "hccl/hcom.h"
#include "hccl/hccl.h"

#ifdef __cplusplus
extern "C" {
#endif

/* 集合通信域初始化 */
HcclResult hcom_init(const char *rank_table, const char *identify) { return HCCL_SUCCESS; }

/* 解析ranktable for python */
HcclResult hcom_rank_info_init(const char *rank_table, const char *identify, u32 device_id) { return HCCL_SUCCESS; }

/* 集合通信域销毁 */
HcclResult hcom_destroy(void) { return HCCL_SUCCESS; }

/* 绑定model */
HcclResult hcom_bind_model(rtModel_t model, rtStream_t stream) { return HCCL_SUCCESS; }

/* 绑解定model */
HcclResult hcom_unbind_model(rtModel_t model) { return HCCL_SUCCESS; }

/* allgather功能实现 */
HcclResult hcom_all_gather(const char *tag, void *inputPtr, void *outputPtr, u64 inputCount, HcclDataType dataType,
                             const char *group, rtStream_t stream) {
  return HCCL_SUCCESS;
}

/* allreduce功能实现 */
HcclResult hcom_all_reduce(const char *tag, void *inputPtr, void *outputPtr, u64 count, HcclDataType dataType,
                             HcclReduceOp op, const char *group, rtStream_t stream) {
  return HCCL_SUCCESS;
}

/* broadcas功能实现 */
HcclResult hcom_broadcast(const char *tag, void *ptr, u64 count, HcclDataType dataType, u32 root, const char *group,
                            rtStream_t stream) {
  return HCCL_SUCCESS;
}
/* reduce_scatter功能实现 */
HcclResult hcom_reduce_scatter(const char *tag, void *inputPtr, void *outputPtr, u64 count, HcclDataType dataType,
                                 HcclReduceOp op, const char *group, rtStream_t stream) {
  return HCCL_SUCCESS;
}

/* 获取group内的rank个数 */
HcclResult HcomGetRankSize(const char *group, u32 *rankSize) { return HCCL_SUCCESS; }

/* python获取上云场景内的rank个数 */
HcclResult hcom_python_get_rank_size(u32 *rankSize) { return HCCL_SUCCESS; }

/* 获取本rank的id */
HcclResult HcomGetRankId(const char *group, u32 *rankId) { return HCCL_SUCCESS; }

/* 获取本rank的id */
HcclResult hcom_python_get_rank_id(u32 *rankId) { return HCCL_SUCCESS; }

/* 获取本rank的id */
HcclResult HcomGetWorldRankFromGroupRank(const char *group, u32 groupRank, u32 *worldRank) {
  return HCCL_SUCCESS;
}

/* 获取通信域的rank个数 */
HcclResult HcomGetGroupRankFromWorldRank(u32 worldRank, const char *group, u32 *groupRank) {
  return HCCL_SUCCESS;
}

/* 创建group */
HcclResult HcomCreateGroup(const char *group, u32 rankNum, u32 *rankIds) { return HCCL_SUCCESS; }

/* 销毁group */
HcclResult HcomDestroyGroup(const char *group) { return HCCL_SUCCESS; }

/* 发送消息 */
HcclResult hcom_send(const char *tag, void *inputPtr, u64 count, HcclDataType dataType, u32 destRank, u32 srTag,
                       const char *group, rtStream_t stream) {
  return HCCL_SUCCESS;
}

/* 接收消息 */
HcclResult hcom_receive(const char *tag, void *outputPtr, u64 count, HcclDataType dataType, u32 srcRank, u32 srTag,
                          const char *group, rtStream_t stream) {
  return HCCL_SUCCESS;
}

/* 获取梯度参数切分方案 */
HcclResult hcom_get_split_strategy(const char *group, const struct model_feature *feature, u32 maxSegmentNum,
                                     u32 *segmentNum, u32 *segmentIdx, GradSplitForceMode force,
                                     OriginalGraphShapeType shapeType) {
  return HCCL_SUCCESS;
}

/* 连通性检测 */
HcclResult hcom_connectivity_detection(s32 *result) { return HCCL_SUCCESS; }

HcclResult hcom_set_split_strategy_by_index(const char *group, u32 segmentNum, const u32 *IdxList) {
  return HCCL_SUCCESS;
}
HcclResult hcom_set_split_strategy_by_size(const char *group, u32 segmentNum, const float *sizeList) {
  return HCCL_SUCCESS;
}

HcclResult HcclCommInitClusterInfo(const char *clusterInfo, uint32_t rank, HcclComm *comm) {
  return HCCL_SUCCESS;
}

HcclResult HcclGetRootInfo(HcclRootInfo *rootInfo) {
  return HCCL_SUCCESS;
}

HcclResult HcclCommInitRootInfo(uint32_t nRanks, const HcclRootInfo *rootInfo, uint32_t rank, HcclComm *comm) {
  return HCCL_SUCCESS;
}

/**
 * @brief Get the rank size of this comm.
 *
 * @param comm A pointer identifying the communication resource based on.
 * @param rankSize  A pointer identifying the rank size.
 * @return HcclResult
 */
HcclResult HcclGetRankSize(HcclComm comm, uint32_t *rankSize) { return HCCL_SUCCESS; }

/**
 * @brief Get the rank id of this comm.
 *
 * @param comm A pointer identifying the communication resource based on.
 * @param rankSize  A pointer identifying the rank id.
 * @return HcclResult
 */
HcclResult HcclGetRankId(HcclComm comm, uint32_t *rank) { return HCCL_SUCCESS; }

HcclResult HcclAllReduce(void *sendBuf, void *recvBuf, uint64_t count, HcclDataType dataType, HcclReduceOp op,
                                HcclComm comm, aclrtStream stream) {
  return HCCL_SUCCESS;
}

HcclResult HcclBroadcast(void *buf, uint64_t count, HcclDataType dataType, uint32_t root, HcclComm comm,
                                aclrtStream stream) {
  return HCCL_SUCCESS;
}

HcclResult HcclReduceScatter(void *sendBuf, void *recvBuf, uint64_t recvCount, HcclDataType dataType,
                                    HcclReduceOp op, HcclComm comm, aclrtStream stream) {
  return HCCL_SUCCESS;
}

HcclResult HcclAllGather(void *sendBuf, void *recvBuf, uint64_t sendCount, HcclDataType dataType, HcclComm comm,
                                aclrtStream stream) {
  return HCCL_SUCCESS;
}

HcclResult HcclCommDestroy(HcclComm comm) {
  return HCCL_SUCCESS;
}

#ifdef __cplusplus
}
#endif