update unknown type operator management

mindspore/ccsrc/frontend/parallel/auto_parallel/rec_core/rec_generate_strategy.cc

@@ -412,16 +412,11 @@ Strategys PrepareStrategy(const std::shared_ptr<Graph> &graph, const std::vector
   MS_EXCEPTION_IF_NULL(ops[iter_ops]);
 
   auto type = ops[iter_ops]->type();
-  auto idx = DictOpType.find(type);
-  if (idx == DictOpType.end()) {
-    return MakeDataParallelStrategy(graph, ops, iter_graph, iter_ops);
-  }
-
   if (type == MATMUL) {
     return PrepareMatMul(graph, ops, iter_graph, iter_ops);
   } else if (type == ONEHOT) {
     return PrepareOneHot(graph, ops, iter_graph, iter_ops);
-  } else if (type == SPARSE_SOFTMAX_CROSS_ENTROPY_WITH_LOGITS) {
+  } else if ((type == SPARSE_SOFTMAX_CROSS_ENTROPY_WITH_LOGITS) || (type == "_VirtualDataset")) {
     return MakeDataParallelStrategy(graph, ops, iter_graph, iter_ops);
   } else {
     return MakeRecSearchStrategy(graph, ops, iter_graph, iter_ops);

mindspore/ccsrc/frontend/parallel/auto_parallel/rec_core/rec_parse_graph.cc

@@ -48,7 +48,7 @@ Graph::NodeType MakeNewOperator(const std::vector<std::shared_ptr<OperatorInfo>>
   auto idx = DictOpType.find(op_type);
   if (idx == DictOpType.end()) {
     NewOp.apply.op_type = OperatorType::kRecUnkownType;
-    MS_LOG(INFO) << "Unknown operator type.";
+    MS_LOG(INFO) << "Unknown operator type: " << op_type;
   } else {
     NewOp.apply.op_type = DictOpType.at(op_type);
   }