Line data    Source code

       1             : /* +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
       2             :    Copyright (c) 2014-2018 The plumed team
       3             :    (see the PEOPLE file at the root of the distribution for a list of names)
       4             : 
       5             :    See http://www.plumed.org for more information.
       6             : 
       7             :    This file is part of plumed, version 2.
       8             : 
       9             :    plumed is free software: you can redistribute it and/or modify
      10             :    it under the terms of the GNU Lesser General Public License as published by
      11             :    the Free Software Foundation, either version 3 of the License, or
      12             :    (at your option) any later version.
      13             : 
      14             :    plumed is distributed in the hope that it will be useful,
      15             :    but WITHOUT ANY WARRANTY; without even the implied warranty of
      16             :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      17             :    GNU Lesser General Public License for more details.
      18             : 
      19             :    You should have received a copy of the GNU Lesser General Public License
      20             :    along with plumed.  If not, see <http://www.gnu.org/licenses/>.
      21             : +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */
      22             : 
      23             : #include "OpenMP.h"
      24             : #include "Tools.h"
      25             : #include <cstdlib>
      26             : #if defined(_OPENMP)
      27             : #include <omp.h>
      28             : #endif
      29             : 
      30             : namespace PLMD {
      31             : 
      32       38458 : unsigned OpenMP::getCachelineSize() {
      33             :   static unsigned cachelineSize=512;
      34       38458 :   if(std::getenv("PLUMED_CACHELINE_SIZE")) Tools::convert(std::getenv("PLUMED_CACHELINE_SIZE"),cachelineSize);
      35       38458 :   return cachelineSize;
      36             : }
      37             : 
      38      183110 : unsigned OpenMP::getNumThreads() {
      39             :   static unsigned numThreads=1;
      40      183110 :   if(std::getenv("PLUMED_NUM_THREADS")) Tools::convert(std::getenv("PLUMED_NUM_THREADS"),numThreads);
      41      183110 :   return numThreads;
      42             : }
      43             : 
      44     1247872 : unsigned OpenMP::getThreadNum() {
      45             : #if defined(_OPENMP)
      46     1247872 :   return omp_get_thread_num();
      47             : #else
      48             :   return 0;
      49             : #endif
      50             : }
      51             : 
      52             : 
      53             : 
      54        2523 : }
      55             : 
      56             : 
      57             :