!2608 reshape cost computing dont create hccl group

Merge pull request !2608 from yao_yf/reshape_cost_dont_create_group

mindspore/ccsrc/parallel/auto_parallel/operator_costmodel.cc

@@ -465,7 +465,7 @@ double ReshapeCost::GetForwardCommCost(const std::vector<TensorInfo> &inputs, co
   CheckGlobalDeviceManager();
   MS_EXCEPTION_IF_NULL(g_device_manager);
   RankList dev_list = g_device_manager->GetDeviceListByStageId(stage_id);
-  TensorRedistribution tensor_redistribution;
+  TensorRedistribution tensor_redistribution(false, true);
   if (tensor_redistribution.Init(inputs[0].tensor_layout(), outputs[0].tensor_layout(), dev_list) == FAILED) {
     MS_LOG(EXCEPTION) << "Failure: tensor_redistribution init failed.";
   }
@@ -503,7 +503,7 @@ double ReshapeCost::GetForwardComputationCost(const std::vector<TensorInfo> &inp
   CheckGlobalDeviceManager();
   MS_EXCEPTION_IF_NULL(g_device_manager);
   RankList dev_list = g_device_manager->GetDeviceListByStageId(stage_id);
-  TensorRedistribution tensor_redistribution;
+  TensorRedistribution tensor_redistribution(false, true);
   if (tensor_redistribution.Init(inputs[0].tensor_layout(), outputs[0].tensor_layout(), dev_list) == FAILED) {
     MS_LOG(EXCEPTION) << "Failure: tensor_redistribution init failed.";
   }