worldmem.h

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#ifndef MADNESS_WORLD_WORLDMEM_H__INCLUDED
#define MADNESS_WORLD_WORLDMEM_H__INCLUDED

/*
  This file is part of MADNESS.

  Copyright (C) 2007,2010 Oak Ridge National Laboratory

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

  This program 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 General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

  For more information please contact:

  Robert J. Harrison
  Oak Ridge National Laboratory
  One Bethel Valley Road
  P.O. Box 2008, MS-6367

  email: harrisonrj@ornl.gov
  tel:   865-241-3937
  fax:   865-572-0680


  $Id: world.cc 454 2008-01-26 03:08:15Z rjharrison $
*/

#include <madness/madness_config.h>
#ifdef WORLD_GATHER_MEM_STATS
#include <new>
#endif // WORLD_GATHER_MEM_STATS
#include <cstddef>

namespace madness {


    class WorldMemInfo {
#ifdef WORLD_GATHER_MEM_STATS
        friend void* ::operator new(size_t size) throw (std::bad_alloc);
        friend void ::operator delete(void *p) throw();
#endif
    private:
        void do_new(void *p, std::size_t size);

        void do_del(void *p, std::size_t size);

    public:
        static const unsigned long overhead = 4*sizeof(long) + 16;
        unsigned long num_new_calls;   
        unsigned long num_del_calls;   
        unsigned long cur_num_frags;   
        unsigned long max_num_frags;   
        unsigned long cur_num_bytes;   
        unsigned long max_num_bytes;   
        unsigned long max_mem_limit;   
        bool trace;

        void print() const;

        void reset();

        void set_trace(bool trace) {
            this->trace = trace;
        }

        void set_max_mem_limit(unsigned long max_mem_limit) {
            this->max_mem_limit = max_mem_limit;
        }
    };

    WorldMemInfo* world_mem_info();
}
#endif // MADNESS_WORLD_WORLDMEM_H__INCLUDED