CarpetLib: Add function memoryof to measure size of data structures

Add an overloaded function memoryof which measures the size in bytes
of CarpetLib's data structures.

darcs-hash:20080202154302-dae7b-de41c79cb04617327695fae27928c05c5d431ee8.gz

1 files changed, 38 insertions, 0 deletions

diff --git a/Carpet/CarpetLib/src/mem.cc b/Carpet/CarpetLib/src/mem.cc
index b6b1c9c8e..d8603591b 100644
--- a/Carpet/CarpetLib/src/mem.cc
+++ b/Carpet/CarpetLib/src/mem.cc
@@ -150,6 +150,25 @@ has_clients () const
 
 
 
+// Memory usage
+template<typename T>
+size_t
+mem<T>::
+memory ()
+  const
+{
+  return
+    memoryof (storage_) +
+    memoryof (nelems_) +
+    memoryof (vectorlength_) +
+    memoryof (owns_storage_) +
+    memoryof (clients_) +
+    memoryof (num_clients_) +
+    (owns_storage_ ? sizeof (T) * vectorlength_ * nelems_ : 0);
+}
+
+
+
 size_t const mempool::chunksize;
 size_t const mempool::align;
 
@@ -205,6 +224,25 @@ alloc (size_t nbytes)
 
 
 
+// Memory usage
+size_t
+mempool::
+memory ()
+  const
+{
+  return
+    memoryof (chunks) +
+    memoryof (freeptr) +
+    memoryof (freesize) +
+    (chunksize * chunks.size());
+}
+
+
+
+////////////////////////////////////////////////////////////////////////////////
+
+
+
 extern "C" void CarpetLib_setmemlimit (CCTK_ARGUMENTS);
 
 void CarpetLib_setmemlimit (CCTK_ARGUMENTS)