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1 /**
2  * Copyright 2019-2023 Huawei Technologies Co., Ltd
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef PARALLEL_AUTO_PARALLEL_REC_PARTITION_H_
18 #define PARALLEL_AUTO_PARALLEL_REC_PARTITION_H_
19 
20 #include <cmath>
21 #include <iostream>
22 #include <map>
23 #include <memory>
24 #include <string>
25 #include <utility>
26 #include <vector>
27 
28 #include "frontend/parallel/auto_parallel/rec_core/rec_cost.h"
29 #include "frontend/parallel/auto_parallel/rec_core/rec_graph.h"
30 #include "frontend/parallel/auto_parallel/rec_core/rec_strategy.h"
31 #include "frontend/parallel/status.h"
32 #include "ir/func_graph.h"
33 
34 namespace mindspore {
35 namespace parallel {
36 constexpr bool ENABLE_PIPE_ALGO = false;
37 
38 enum PartitionOrder { TopologyOrder, WeightOrder };
39 
40 constexpr PartitionOrder PARTITION_ORDER = PartitionOrder::TopologyOrder;
41 
42 std::vector<size_t> SortByWeight(const std::shared_ptr<Graph> &graph);
43 
44 double GetWeights(const Graph::NodeType &node);
45 
46 StrategyRec PartitionNode(Graph::NodeType node,
47                           const std::vector<std::pair<std::string, StrategyRec>> &node_name_to_strategy,
48                           const std::shared_ptr<Graph> &graph, const bool isTraining);
49 
50 Status PartitionForAllDevices(size_t num_device, double device_memory, const std::shared_ptr<Graph> &graph,
51                               bool isTraining, const FuncGraphPtr &root);
52 
53 Graph::NodeType ApplyStrToTensor(Graph::NodeType Node);
54 
55 void DevicesMemoryControl(const size_t num_device, const double device_memory, const std::shared_ptr<Graph> &graph);
56 
57 StrategyRec GetOneLoopStrategy(size_t op_inputs_num, const StrategyRec &old_str, StrategyRec new_str);
58 
59 Graph::NodeType ChangeStrategy(Graph::NodeType Node, size_t n_cut);
60 
61 size_t GetDataTypeSize(const TensorType &type);
62 }  // namespace parallel
63 }  // namespace mindspore
64 
65 #endif  // PARALLEL_AUTO_PARALLEL_REC_PARTITION_H_
66