src/ParaMEDMEM_Swig/test_InterpKernelDEC.py

   1 #!/usr/bin/env python
   2 #  -*- coding: iso-8859-1 -*-
   3 # Copyright (C) 2007-2016  CEA/DEN, EDF R&D
   4 #
   5 # This library is free software; you can redistribute it and/or
   6 # modify it under the terms of the GNU Lesser General Public
   7 # License as published by the Free Software Foundation; either
   8 # version 2.1 of the License, or (at your option) any later version.
   9 #
  10 # This library is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 # Lesser General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU Lesser General Public
  16 # License along with this library; if not, write to the Free Software
  17 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  18 #
  19 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  20 #
  21
  22 from ParaMEDMEM import *
  23 from MEDLoader import ReadUMeshFromFile
  24 import sys, os
  25 import unittest
  26 import math
  27 from mpi4py import MPI
  28
  29
  30 class ParaMEDMEMBasicsTest(unittest.TestCase):
  31     def testInterpKernelDEC_2D(self):
  32         size = MPI.COMM_WORLD.size
  33         rank = MPI.COMM_WORLD.rank
  34         if size != 5:
  35             raise RuntimeError("Expect MPI_COMM_WORLD size == 5")
  36         print(rank)
  37         nproc_source = 3
  38         procs_source = list(range(nproc_source))
  39         procs_target = list(range(size - nproc_source + 1, size))
  40
  41         interface = CommInterface()
  42         target_group = MPIProcessorGroup(interface, procs_target)
  43         source_group = MPIProcessorGroup(interface, procs_source)
  44         dec = InterpKernelDEC(source_group, target_group)
  45
  46         mesh       =0
  47         support    =0
  48         paramesh   =0
  49         parafield  =0
  50         icocofield =0
  51         data_dir = os.environ['MEDCOUPLING_ROOT_DIR']
  52         tmp_dir  = os.environ['TMP']
  53
  54         if not tmp_dir or len(tmp_dir)==0:
  55             tmp_dir = "/tmp"
  56             pass
  57
  58         filename_xml1 = os.path.join(data_dir, "share/resources/med/square1_split")
  59         filename_xml2 = os.path.join(data_dir, "share/resources/med/square2_split")
  60
  61         MPI.COMM_WORLD.Barrier()
  62         if source_group.containsMyRank():
  63             filename = filename_xml1 + str(rank+1) + ".med"
  64             meshname = "Mesh_2_" + str(rank+1)
  65             mesh=ReadUMeshFromFile(filename,meshname,0)
  66             paramesh=ParaMESH(mesh,source_group,"source mesh")
  67             comptopo = ComponentTopology()
  68             parafield = ParaFIELD(ON_CELLS,NO_TIME,paramesh, comptopo)
  69             parafield.getField().setNature(IntensiveMaximum)
  70             nb_local=mesh.getNumberOfCells()
  71             value = [1.0]*nb_local
  72             parafield.getField().setValues(value)
  73             icocofield = ICoCoMEDField(parafield.getField())
  74             dec.attachLocalField(icocofield)
  75             pass
  76         else:
  77             filename = filename_xml2 + str(rank - nproc_source + 1) + ".med"
  78             meshname = "Mesh_3_" + str(rank - nproc_source + 1)
  79             mesh=ReadUMeshFromFile(filename,meshname,0)
  80             paramesh=ParaMESH(mesh,target_group,"target mesh")
  81             comptopo = ComponentTopology()
  82             parafield = ParaFIELD(ON_CELLS,NO_TIME,paramesh, comptopo)
  83             parafield.getField().setNature(IntensiveMaximum)
  84             nb_local=mesh.getNumberOfCells()
  85             value = [0.0]*nb_local
  86             parafield.getField().setValues(value)
  87             icocofield = ICoCoMEDField(parafield.getField())
  88             dec.attachLocalField(icocofield)
  89             pass
  90
  91         if source_group.containsMyRank():
  92             field_before_int = parafield.getVolumeIntegral(0,True)
  93             dec.synchronize()
  94             dec.setForcedRenormalization(False)
  95             dec.sendData()
  96             dec.recvData()
  97             field_after_int=parafield.getVolumeIntegral(0,True);
  98             self.assertTrue(math.fabs(field_after_int-field_before_int)<1e-8)
  99             pass
 100         else:
 101             dec.synchronize()
 102             dec.setForcedRenormalization(False)
 103             dec.recvData()
 104             dec.sendData()
 105             pass
 106         ## end
 107         interface = 0
 108         target_group = 0
 109         source_group = 0
 110         dec = 0
 111         mesh       =0
 112         support    =0
 113         paramesh   =0
 114         parafield  =0
 115         icocofield =0
 116         MPI.COMM_WORLD.Barrier()
 117         MPI.Finalize()
 118         pass
 119     pass
 120
 121 unittest.main()