changing the succive edges order in GetAliveSuccEdges() so that Triangle and...

changing the succive edges order in GetAliveSuccEdges() so that Triangle and Star Elimination can be merged into particular node; adding some check information

mindspore/ccsrc/parallel/auto_parallel/costmodel.h

@@ -211,13 +211,14 @@ struct ContractEliminationDecision : public Decision {
  */
 struct TriangleEliminationDecision : public Decision {
   TriangleEliminationDecision(StrategyPtr elimi_stra, CostPtr elimi_op_cost, CostPtr l_edge_cost, CostPtr r_edge_cost,
-                              StrategyPtr left_stra, CostPtr l_node_cost)
+                              StrategyPtr left_stra, CostPtr l_node_cost, StrategyPtr right_stra)
       : eliminated_op_strategy_(std::move(elimi_stra)),
         eliminated_op_cost_(std::move(elimi_op_cost)),
         left_edge_cost_(std::move(l_edge_cost)),
         right_edge_cost_(std::move(r_edge_cost)),
         left_node_strategy_(std::move(left_stra)),
-        left_node_cost_(std::move(l_node_cost)) {
+        left_node_cost_(std::move(l_node_cost)),
+        right_node_strategy_(std::move(right_stra)) {
     type_ = DecisionType::TRIANGLE_ELIMINATION;
   }
 
@@ -227,6 +228,7 @@ struct TriangleEliminationDecision : public Decision {
   CostPtr right_edge_cost_;
   StrategyPtr left_node_strategy_;
   CostPtr left_node_cost_;
+  StrategyPtr right_node_strategy_;
   MS_DECLARE_PARENT(TriangleEliminationDecision, Decision);
 };
 

mindspore/ccsrc/parallel/auto_parallel/dp_algo_costmodel.cc

@@ -85,7 +85,9 @@ Status GetStrategy(const CostGraphPtr &graph) {
         right_edge = tmp;
       }
       auto left_node_cpy = graph->EliminationTriangle(eliminated_node, l_r_edge);
-      auto elimi = std::make_shared<TriangleElimination>(eliminated_node, left_edge, left_node_cpy, right_edge);
+      auto right_node = l_r_edge->next_operator();
+      auto elimi =
+        std::make_shared<TriangleElimination>(eliminated_node, left_edge, left_node_cpy, right_edge, right_node);
       eliminations.emplace_back(std::move(elimi));
     }
     auto star_center = graph->CheckStarElimination();
@@ -181,6 +183,7 @@ Status RecoverStrategy(std::vector<EliminationPtr> eliminations) {
       auto left_edge = elimination->left_edge_;
       auto eliminated_node = elimination->eliminated_node_;
       auto right_edge = elimination->right_edge_;
+      auto right_node = elimination->right_node_;
       auto decision = left_node->selected_cost()->decision_ptr_->cast<TriangleEliminationDecisionPtr>();
 
       eliminated_node->SetSelectedStrategyAndCost(decision->eliminated_op_strategy_, decision->eliminated_op_cost_);
@@ -188,6 +191,7 @@ Status RecoverStrategy(std::vector<EliminationPtr> eliminations) {
       right_edge->set_selected_cost(decision->right_edge_cost_);
       // Since Triangle is eliminated into 'left_node', only 'left_node' is needed to recover the strategy.
       left_node->SetSelectedStrategyAndCost(decision->left_node_strategy_, decision->left_node_cost_);
+      right_node->CheckSelectedStrategy(decision->right_node_strategy_);
       MS_LOG(INFO) << "Recover triangleElimination succeeded.";
     } else if ((*rit)->isa<StarElimination>()) {
       auto elimination = (*rit)->cast<StarEliminationPtr>();
@@ -206,6 +210,9 @@ Status RecoverStrategy(std::vector<EliminationPtr> eliminations) {
       MS_EXCEPTION_IF_NULL(decision->succ_ops_cost_list_[0]);
       // Since Star is eliminated into 'succ_nodes[0]', only 'succ_nodes[0]' is needed to recover the strategy.
       succ_nodes[0]->SetSelectedStrategyAndCost(decision->succ_ops_stra_list_[0], decision->succ_ops_cost_list_[0]);
+      for (size_t k = 1; k < succ_nodes.size(); ++k) {
+        succ_nodes[k]->CheckSelectedStrategy(decision->succ_ops_stra_list_[k]);
+      }
       MS_LOG(INFO) << "Recover starElimination succeeded.";
     } else {
       MS_LOG(ERROR) << "Unknown Elimination type.";

mindspore/ccsrc/parallel/auto_parallel/dp_algo_costmodel.h

@@ -102,17 +102,20 @@ struct ContractElimination : public Elimination {
 
 // Triangle Elimination
 struct TriangleElimination : public Elimination {
-  TriangleElimination(OperatorInfoPtr elim_node, EdgePtr l_edge, OperatorInfoPtr l_node, EdgePtr r_edge)
+  TriangleElimination(OperatorInfoPtr elim_node, EdgePtr l_edge, OperatorInfoPtr l_node, EdgePtr r_edge,
+                      OperatorInfoPtr r_node)
       : Elimination(nullptr, Elimination::EliminationType::TRIANGLE),
         eliminated_node_(std::move(elim_node)),
         left_edge_(std::move(l_edge)),
         left_node_(std::move(l_node)),
-        right_edge_(std::move(r_edge)) {}
+        right_edge_(std::move(r_edge)),
+        right_node_(std::move(r_node)) {}
 
   OperatorInfoPtr eliminated_node_;
   EdgePtr left_edge_;
   OperatorInfoPtr left_node_;
   EdgePtr right_edge_;
+  OperatorInfoPtr right_node_;
   MS_DECLARE_PARENT(TriangleElimination, Elimination);
 };
 

mindspore/ccsrc/parallel/auto_parallel/graph_costmodel.cc

@@ -1111,8 +1111,8 @@ void CostGraph::CreateTriangleEliminationSubCostList(StrategyPtr elimi_op_stra,
           elimi_op_cost->communication_without_parameter_ + left_edge_cost->communication_without_parameter_ +
           left_node_cost->communication_without_parameter_ + right_edge_cost->communication_without_parameter_;
 
-        auto decision = std::make_shared<TriangleEliminationDecision>(elimi_op_stra, elimi_op_cost, left_edge_cost,
-                                                                      right_edge_cost, left_op_stra, left_node_cost);
+        auto decision = std::make_shared<TriangleEliminationDecision>(
+          elimi_op_stra, elimi_op_cost, left_edge_cost, right_edge_cost, left_op_stra, left_node_cost, right_op_stra);
         auto new_cost = std::make_shared<Cost>(new_computation, new_commu_cost, decision);
         new_cost->communication_without_parameter_ = new_commu_without;
         new_cost->communication_with_partial_para_ =

mindspore/ccsrc/parallel/ops_info/operator_info.cc

@@ -546,10 +546,14 @@ std::vector<std::shared_ptr<Edge>> OperatorInfo::GetAliveSuccEdges() {
   for (auto &edge : succ_edges_) {
     if ((edge->next_operator()->is_alive()) && (edge->next_operator()->name().find(RELU) != std::string::npos)) {
       ret.push_back(edge);
+    } else if ((edge->next_operator()->is_alive()) && (edge->next_operator()->name().find(CAST) != std::string::npos)) {
+      // CAST is ordered in front of L2NORMALIZE
+      ret.push_back(edge);
     }
   }
   for (auto &edge : succ_edges_) {
-    if ((edge->next_operator()->is_alive()) && (edge->next_operator()->name().find(RELU) == std::string::npos)) {
+    if ((edge->next_operator()->is_alive()) && (edge->next_operator()->name().find(RELU) == std::string::npos) &&
+        (edge->next_operator()->name().find(CAST) == std::string::npos)) {
       ret.push_back(edge);
     }
   }
@@ -1279,10 +1283,18 @@ void OperatorInfo::BreakingTiesForPerferringDataParallel(const StrategyPtr &stra
     CheckGlobalDeviceManager();
     auto total_device_num = g_device_manager->GetDeviceListByStageId(stra->GetInputStage()).size();
     if (IntToSize(stra->GetInputDim()[0][0]) == total_device_num) {
-      cost->computation_cost_ -= 1.0;
-      cost->communication_cost_ -= 1.0;
-      cost->communication_with_partial_para_ -= 1.0;
-      cost->communication_without_parameter_ -= 1.0;
+      if (cost->computation_cost_ > 1.0) {
+        cost->computation_cost_ -= 1.0;
+      }
+      if (cost->communication_cost_ > 1.0) {
+        cost->communication_cost_ -= 1.0;
+      }
+      if (cost->communication_with_partial_para_ > 1.0) {
+        cost->communication_with_partial_para_ -= 1.0;
+      }
+      if (cost->communication_without_parameter_ > 1.0) {
+        cost->communication_without_parameter_ -= 1.0;
+      }
     }
   }
 }
@@ -1290,5 +1302,15 @@ void OperatorInfo::BreakingTiesForPerferringDataParallel(const StrategyPtr &stra
 double OperatorInfo::GetForwardMemoryCostFromCNode() {
   return operator_cost()->GetForwardComputationCost(inputs_tensor_info_, outputs_tensor_info_, 0);
 }
+
+void OperatorInfo::CheckSelectedStrategy(const StrategyPtr &s_strategy) {
+  MS_EXCEPTION_IF_NULL(s_strategy);
+  if (!s_strategy->IsEqual(selected_strategy_)) {
+    MS_LOG(INFO) << name() << "'s strategy may cause suboptimal, the determined strategy:";
+    PrintStrategy(selected_strategy_);
+    MS_LOG(INFO) << "The minimal strategy:";
+    PrintStrategy(s_strategy);
+  }
+}
 }  // namespace parallel
 }  // namespace mindspore

mindspore/ccsrc/parallel/ops_info/operator_info.h

@@ -138,6 +138,7 @@ class OperatorInfo {
   }
   StrategyPtr selected_strategy() const { return selected_strategy_; }
   CostPtr selected_cost() const { return selected_cost_; }
+  void CheckSelectedStrategy(const StrategyPtr &);
   Status InitSelectedStrategy(const StrategyPtr &s_strategy) { return Init(s_strategy); }
   void set_input_value(const std::vector<ValuePtr> &input_value) { input_value_ = input_value; }
   const std::vector<ValuePtr> &input_value() const { return input_value_; }

mindspore/ccsrc/parallel/strategy.h

@@ -48,6 +48,16 @@ class Strategy {
   }
   void ResetInputs(const std::vector<Dimensions> &input) { inputs_ = input; }
 
+  bool IsEqual(const StrategyPtr &another_stra) {
+    if (another_stra == nullptr) {
+      return false;
+    }
+    if ((stage_ != another_stra->GetInputStage()) || (inputs_ != another_stra->GetInputDim())) {
+      return false;
+    }
+    return true;
+  }
+
  private:
   const int32_t stage_;
 

tests/ut/cpp/parallel/strategy_test.cc

@@ -64,5 +64,23 @@ TEST_F(TestStrategy, GetInputDim) {
   ASSERT_EQ(inputs, inputs_test);
 }
 
+TEST_F(TestStrategy, IsEqual) {
+  int32_t stage1 = 0, stage2 = 0, stage3 = 1, stage4 = 0;
+  std::vector<int32_t> dimension1 = {8, 1};
+  std::vector<int32_t> dimension2 = {1, 8};
+  std::vector<std::vector<int32_t>> inputs1 = {dimension1};
+  std::vector<std::vector<int32_t>> inputs2 = {dimension1};
+  std::vector<std::vector<int32_t>> inputs3 = {dimension2};
+  std::vector<std::vector<int32_t>> inputs4 = {dimension1, dimension2};
+
+  StrategyPtr stra1 = std::make_shared<Strategy>(stage1, inputs1);
+  StrategyPtr stra2 = std::make_shared<Strategy>(stage2, inputs2);
+  StrategyPtr stra3 = std::make_shared<Strategy>(stage3, inputs3);
+  StrategyPtr stra4 = std::make_shared<Strategy>(stage4, inputs4);
+
+  ASSERT_EQ(stra1->IsEqual(stra2), true);
+  ASSERT_EQ(stra1->IsEqual(stra3), false);
+  ASSERT_EQ(stra1->IsEqual(stra4), false);
+}
 }  // namespace parallel
 }  // namespace mindspore