CarpetLib: Add lightweight communication buffers (untested)

Lightweight communication buffers use essentially only a vector<T>
instead of a data<T> to transfer data between processors.  This should
reduce the computational overhead.

Set the parameter "use_lightweight_buffers" to use this feature.  This
feature is completely untested.

darcs-hash:20050102173524-891bb-6a3999cbd63e367c8520c175c8078374d294eaa8.gz

1 files changed, 18 insertions, 0 deletions

diff --git a/Carpet/CarpetLib/src/data.hh b/Carpet/CarpetLib/src/data.hh
index 7eea2c867..27b91acfb 100644
--- a/Carpet/CarpetLib/src/data.hh
+++ b/Carpet/CarpetLib/src/data.hh
@@ -107,6 +107,24 @@ public:
     assert (_storage);
     return _storage[offset(index)];
   }
+
+protected:
+  virtual void
+  copy_from_recv_inner (comm_state& state,
+                        const gdata* src,
+                        const ibbox& box);
+  virtual void
+  copy_from_send_inner (comm_state& state,
+                        const gdata* src,
+                        const ibbox& box);
+  virtual void
+  copy_from_recv_wait_inner (comm_state& state,
+                             const gdata* src,
+                             const ibbox& box);
+  virtual void
+  copy_from_send_wait_inner (comm_state& state,
+                             const gdata* src,
+                             const ibbox& box);
   
   // Data manipulators
 private: