hcube.h
//
// hcube.h
//
// Copyright (C) 1996 Limit Point Systems, Inc.
//
// Author: Curtis Janssen <cljanss@limitpt.com>
// Maintainer: LPS
//
// This file is part of the SC Toolkit.
//
// The SC Toolkit is free software; you can redistribute it and/or modify
// it under the terms of the GNU Library General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
//
// The SC Toolkit is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public License
// along with the SC Toolkit; see the file COPYING.LIB. If not, write to
// the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
//
// The U.S. Government is granted a limited license as per AL 91-7.
//
#ifndef _util_group_hcube_h
#define _util_group_hcube_h
#include <util/group/topology.h>
namespace sc {
class HypercubeGMI: public GlobalMsgIter {
private:
int nhyper_;
protected:
int fwdsendto();
int fwdsend();
int fwdrecvfrom();
int fwdrecv();
public:
HypercubeGMI(int nproc, int me, int root);
~HypercubeGMI();
};
// This utilitizes a hypercube topology, but will work for any number of
// nodes.
class HypercubeTopology: public MachineTopology {
public:
HypercubeTopology();
HypercubeTopology(const Ref<KeyVal>&);
~HypercubeTopology();
Ref<GlobalMsgIter> global_msg_iter(const Ref<MessageGrp>&, int target);
};
}
#endif
// Local Variables:
// mode: c++
// c-file-style: "CLJ"
// End: