fix lookuptable in reduce strategy

paddle/fluid/framework/details/multi_devices_graph_pass.cc

@@ -680,7 +680,8 @@ int MultiDevSSAGraphBuilder::CreateDistTrainOp(ir::Graph *result,
   }
 
   if (node->Op()->Type() == "split_byref" ||
-      node->Op()->Type() == "split_selected_rows") {
+      node->Op()->Type() == "split_selected_rows" ||
+      node->Op()->Type() == "split_ids") {
     // TODO(paddle-dev): getting the first var is not safe.
     op_dev_id = GetVarDeviceID(*result, input_var_names[0]);
     if (strategy_.reduce_ == BuildStrategy::ReduceStrategy::kAllReduce) {

paddle/fluid/framework/ir/graph.cc

@@ -69,6 +69,12 @@ bool IsDistTrainOp(ir::Node *node, const std::vector<std::string> &send_vars,
           std::find(rpc_vars.begin(), rpc_vars.end(), var) != rpc_vars.end()) {
         return true;
       }
+
+      if (!(var.find(".block") == std::string::npos &&
+            var.find(".pserver") != std::string::npos) &&
+          std::find(rpc_vars.begin(), rpc_vars.end(), var) != rpc_vars.end()) {
+        return true;
+      }
     }
     return false;
   };