The root host mesh is no longer allocated during benchmarking as this caused out-of-memory errors in weak scaling tests

include/astaroth.h

@@ -284,6 +284,9 @@ Resets all devices on the current grid.
  */
 AcResult acGridQuit(void);
 
+/** Randomizes the local mesh */
+AcResult acGridRandomize(void);
+
 /** */
 AcResult acGridSynchronizeStream(const Stream stream);