git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@11979 f3b2605a-c512-4ea7-a41b-209d697bcdaa

src/comm_tiled.cpp

@@ -0,0 +1,210 @@
+/* ----------------------------------------------------------------------
+   LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
+   http://lammps.sandia.gov, Sandia National Laboratories
+   Steve Plimpton, sjplimp@sandia.gov
+
+   Copyright (2003) Sandia Corporation.  Under the terms of Contract
+   DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
+   certain rights in this software.  This software is distributed under
+   the GNU General Public License.
+
+   See the README file in the top-level LAMMPS directory.
+------------------------------------------------------------------------- */
+
+#include "lmptype.h"
+#include "comm_tiled.h"
+#include "error.h"
+
+using namespace LAMMPS_NS;
+
+enum{SINGLE,MULTI};               // same as in Comm
+
+/* ---------------------------------------------------------------------- */
+
+CommTiled::CommTiled(LAMMPS *lmp) : Comm(lmp)
+{
+  style = 1;
+  layout = 0;
+
+  error->all(FLERR,"Comm_style tiled is not yet supported");
+}
+
+/* ---------------------------------------------------------------------- */
+
+CommTiled::~CommTiled()
+{
+}
+
+/* ---------------------------------------------------------------------- */
+
+void CommTiled::init()
+{
+}
+
+/* ----------------------------------------------------------------------
+   setup spatial-decomposition communication patterns
+   function of neighbor cutoff(s) & cutghostuser & current box size
+   single mode sets slab boundaries (slablo,slabhi) based on max cutoff
+   multi mode sets type-dependent slab boundaries (multilo,multihi)
+------------------------------------------------------------------------- */
+
+void CommTiled::setup()
+{
+}
+
+/* ----------------------------------------------------------------------
+   forward communication of atom coords every timestep
+   other per-atom attributes may also be sent via pack/unpack routines
+------------------------------------------------------------------------- */
+
+void CommTiled::forward_comm(int dummy)
+{
+}
+
+/* ----------------------------------------------------------------------
+   reverse communication of forces on atoms every timestep
+   other per-atom attributes may also be sent via pack/unpack routines
+------------------------------------------------------------------------- */
+
+void CommTiled::reverse_comm()
+{
+}
+
+/* ----------------------------------------------------------------------
+   exchange: move atoms to correct processors
+   atoms exchanged with all 6 stencil neighbors
+   send out atoms that have left my box, receive ones entering my box
+   atoms will be lost if not inside some proc's box
+     can happen if atom moves outside of non-periodic bounary
+     or if atom moves more than one proc away
+   this routine called before every reneighboring
+   for triclinic, atoms must be in lamda coords (0-1) before exchange is called
+------------------------------------------------------------------------- */
+
+void CommTiled::exchange()
+{
+}
+
+/* ----------------------------------------------------------------------
+   borders: list nearby atoms to send to neighboring procs at every timestep
+   one list is created for every swap that will be made
+   as list is made, actually do swaps
+   this does equivalent of a communicate, so don't need to explicitly
+     call communicate routine on reneighboring timestep
+   this routine is called before every reneighboring
+   for triclinic, atoms must be in lamda coords (0-1) before borders is called
+------------------------------------------------------------------------- */
+
+void CommTiled::borders()
+{
+}
+
+/* ----------------------------------------------------------------------
+   forward communication invoked by a Pair
+------------------------------------------------------------------------- */
+
+void CommTiled::forward_comm_pair(Pair *pair)
+{
+}
+
+/* ----------------------------------------------------------------------
+   reverse communication invoked by a Pair
+------------------------------------------------------------------------- */
+
+void CommTiled::reverse_comm_pair(Pair *pair)
+{
+}
+
+/* ----------------------------------------------------------------------
+   forward communication invoked by a Fix
+   n = constant number of datums per atom
+------------------------------------------------------------------------- */
+
+void CommTiled::forward_comm_fix(Fix *fix)
+{
+}
+
+/* ----------------------------------------------------------------------
+   reverse communication invoked by a Fix
+   n = constant number of datums per atom
+------------------------------------------------------------------------- */
+
+void CommTiled::reverse_comm_fix(Fix *fix)
+{
+}
+
+/* ----------------------------------------------------------------------
+   forward communication invoked by a Fix
+   n = total datums for all atoms, allows for variable number/atom
+------------------------------------------------------------------------- */
+
+void CommTiled::forward_comm_variable_fix(Fix *fix)
+{
+}
+
+/* ----------------------------------------------------------------------
+   reverse communication invoked by a Fix
+   n = total datums for all atoms, allows for variable number/atom
+------------------------------------------------------------------------- */
+
+void CommTiled::reverse_comm_variable_fix(Fix *fix)
+{
+}
+
+/* ----------------------------------------------------------------------
+   forward communication invoked by a Compute
+------------------------------------------------------------------------- */
+
+void CommTiled::forward_comm_compute(Compute *compute)
+{
+}
+
+/* ----------------------------------------------------------------------
+   reverse communication invoked by a Compute
+------------------------------------------------------------------------- */
+
+void CommTiled::reverse_comm_compute(Compute *compute)
+{
+}
+
+/* ----------------------------------------------------------------------
+   forward communication invoked by a Dump
+------------------------------------------------------------------------- */
+
+void CommTiled::forward_comm_dump(Dump *dump)
+{
+}
+
+/* ----------------------------------------------------------------------
+   reverse communication invoked by a Dump
+------------------------------------------------------------------------- */
+
+void CommTiled::reverse_comm_dump(Dump *dump)
+{
+}
+
+/* ----------------------------------------------------------------------
+   forward communication of N values in array
+------------------------------------------------------------------------- */
+
+void CommTiled::forward_comm_array(int n, double **array)
+{
+}
+
+/* ----------------------------------------------------------------------
+   exchange info provided with all 6 stencil neighbors
+------------------------------------------------------------------------- */
+
+int CommTiled::exchange_variable(int n, double *inbuf, double *&outbuf)
+{
+}
+
+/* ----------------------------------------------------------------------
+   return # of bytes of allocated memory
+------------------------------------------------------------------------- */
+
+bigint CommTiled::memory_usage()
+{
+  bigint bytes = 0;
+  return bytes;
+}