Line data    Source code

       1              : /*
       2              :  * Copyright (c) 2011-2015:  G-CSC, Goethe University Frankfurt
       3              :  * Author: Markus Breit
       4              :  *
       5              :  * This file is part of UG4.
       6              :  *
       7              :  * UG4 is free software: you can redistribute it and/or modify it under the
       8              :  * terms of the GNU Lesser General Public License version 3 (as published by the
       9              :  * Free Software Foundation) with the following additional attribution
      10              :  * requirements (according to LGPL/GPL v3 §7):
      11              :  *
      12              :  * (1) The following notice must be displayed in the Appropriate Legal Notices
      13              :  * of covered and combined works: "Based on UG4 (www.ug4.org/license)".
      14              :  *
      15              :  * (2) The following notice must be displayed at a prominent place in the
      16              :  * terminal output of covered works: "Based on UG4 (www.ug4.org/license)".
      17              :  *
      18              :  * (3) The following bibliography is recommended for citation and must be
      19              :  * preserved in all covered files:
      20              :  * "Reiter, S., Vogel, A., Heppner, I., Rupp, M., and Wittum, G. A massively
      21              :  *   parallel geometric multigrid solver on hierarchically distributed grids.
      22              :  *   Computing and visualization in science 16, 4 (2013), 151-164"
      23              :  * "Vogel, A., Reiter, S., Rupp, M., Nägel, A., and Wittum, G. UG4 -- a novel
      24              :  *   flexible software system for simulating pde based models on high performance
      25              :  *   computers. Computing and visualization in science 16, 4 (2013), 165-179"
      26              :  *
      27              :  * This program is distributed in the hope that it will be useful,
      28              :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      29              :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
      30              :  * GNU Lesser General Public License for more details.
      31              :  */
      32              : 
      33              : #include "mem_info.h"
      34              : 
      35              : #ifdef UG_PARALLEL
      36              : #include "pcl/pcl_base.h"  // for NumProcs
      37              : #include "pcl/pcl_process_communicator.h"  // for NumProcs
      38              : #endif
      39              : 
      40              : namespace ug {
      41              : 
      42              : 
      43            0 : void MemInfo::communicate_process_values()
      44              : {
      45              : #ifdef UG_PARALLEL
      46              :         if (pcl::NumProcs() > 1)
      47              :         {
      48              :                 pcl::ProcessCommunicator pc;
      49              :                 pc.allreduce(&m_locRes, &m_gloRes, 1, PCL_RO_SUM);
      50              :                 pc.allreduce(&m_locVirt, &m_gloVirt, 1, PCL_RO_SUM);
      51              :                 pc.allreduce(&m_locRes, &m_maxRes, 1, PCL_RO_MAX);
      52              :                 pc.allreduce(&m_locVirt, &m_maxVirt, 1, PCL_RO_MAX);
      53              :                 return;
      54              :         }
      55              : #endif
      56              : 
      57            0 :         m_gloRes = m_locRes;
      58            0 :         m_gloVirt = m_locVirt;
      59            0 :         m_maxRes = m_locRes;
      60            0 :         m_maxVirt = m_locVirt;
      61            0 : }
      62              : 
      63            0 : number MemInfo::local_resident_memory() const
      64              : {
      65            0 :         return m_locRes;
      66              : }
      67              : 
      68            0 : number MemInfo::local_virtual_memory() const
      69              : {
      70            0 :         return m_locVirt;
      71              : }
      72              : 
      73            0 : number MemInfo::global_resident_memory() const
      74              : {
      75            0 :         return m_gloRes;
      76              : }
      77              : 
      78            0 : number MemInfo::global_virtual_memory() const
      79              : {
      80            0 :         return m_gloVirt;
      81              : }
      82              : 
      83            0 : number MemInfo::max_resident_memory() const
      84              : {
      85            0 :         return m_maxRes;
      86              : }
      87              : 
      88            0 : number MemInfo::max_virtual_memory() const
      89              : {
      90            0 :         return m_maxVirt;
      91              : }
      92              : 
      93              : 
      94              : } // namespace ug