[parallel] don't force parallel comms for incompatible gridviews

dune/gdt/playground/spaces/block.hh

@@ -85,7 +85,7 @@ public:
   typedef typename BaseType::PatternType PatternType;
   typedef typename BaseType::GridLayerType GridLayerType;
   typedef typename BaseType::EntityType EntityType;
-  typedef DofCommunicationChooser<GridLayerType, true> DofCommunicationChooserType;
+  typedef DofCommunicationChooser<GridLayerType> DofCommunicationChooserType;
   typedef typename DofCommunicationChooserType::Type DofCommunicatorType;
 
   typedef XT::Grid::DD::SubdomainGrid<typename XT::Grid::extract_grid<GridLayerType>::type> DdSubdomainsGridType;

dune/gdt/spaces/cg/default.hh

@@ -83,7 +83,7 @@ public:
   using RangeFieldType = R;
   using BackendType = double;
   static const constexpr XT::Grid::Backends layer_backend = XT::Grid::Backends::view;
-  typedef DofCommunicationChooser<GridLayerType, true> DofCommunicationChooserType;
+  typedef DofCommunicationChooser<GridLayerType> DofCommunicationChooserType;
   typedef typename DofCommunicationChooserType::Type DofCommunicatorType;
 }; // class ContinuousLagrangeSpaceTraits
 

dune/gdt/spaces/cg/dune-fem-wrapper.hh

@@ -83,7 +83,7 @@ public:
       BaseFunctionSetType;
   static const XT::Grid::Backends layer_backend = XT::Grid::Backends::part;
   static const bool needs_grid_view = false;
-  typedef DofCommunicationChooser<GridLayerType, true> DofCommunicationChooserType;
+  typedef DofCommunicationChooser<GridLayerType> DofCommunicationChooserType;
   typedef typename DofCommunicationChooserType::Type DofCommunicatorType;
 }; // class DuneFemCgSpaceWrapperTraits
 
@@ -184,7 +184,6 @@ public:
   DofCommunicatorType& dof_communicator() const
   {
     if (!communicator_prepared_) {
-      //      communicator_->remoteIndices().template rebuild<true>();
       communicator_prepared_ = DofCommunicationChooserType::prepare(*this, *communicator_);
     }
     return *communicator_;

dune/gdt/spaces/dg/dune-fem-wrapper.hh

@@ -83,7 +83,7 @@ public:
       BaseFunctionSetType;
   static const XT::Grid::Backends layer_backend = XT::Grid::Backends::part;
   static const bool needs_grid_view = false;
-  typedef DofCommunicationChooser<GridLayerType, true> DofCommunicationChooserType;
+  typedef DofCommunicationChooser<GridLayerType> DofCommunicationChooserType;
   typedef typename DofCommunicationChooserType::Type DofCommunicatorType;
 }; // class DuneFemDgSpaceWrapperTraits