applications/test/CompactIOList/Test-CompactIOList.C

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
   3   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   4    \\    /   O peration     |
   5     \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
   6      \\/     M anipulation  |
   7 -------------------------------------------------------------------------------
   8 License
   9     This file is part of OpenFOAM.
  10
  11     OpenFOAM is free software: you can redistribute it and/or modify it
  12     under the terms of the GNU General Public License as published by
  13     the Free Software Foundation, either version 3 of the License, or
  14     (at your option) any later version.
  15
  16     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
  17     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  18     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  19     for more details.
  20
  21     You should have received a copy of the GNU General Public License
  22     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
  23
  24 Application
  25     testCompactIOList
  26
  27 Description
  28     Simple demonstration and test application for the CompactIOList container
  29
  30 \*---------------------------------------------------------------------------*/
  31
  32 #include "IOstreams.H"
  33 #include "argList.H"
  34 #include "Time.H"
  35 #include "polyMesh.H"
  36
  37 using namespace Foam;
  38
  39 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  40
  41
  42 //  Main program:
  43
  44 int main(int argc, char *argv[])
  45 {
  46 #   include "setRootCase.H"
  47 #   include "createTime.H"
  48
  49     IOstream::streamFormat format=IOstream::BINARY;
  50     // IOstream::streamFormat format=IOstream::ASCII;
  51
  52     const label size = 20000000;
  53
  54     // Old format
  55     // ~~~~~~~~~~
  56
  57     {
  58         // Construct big faceList in old format
  59         faceIOList faces2
  60         (
  61             IOobject
  62             (
  63                 "faces2",
  64                 runTime.constant(),
  65                 polyMesh::meshSubDir,
  66                 runTime,
  67                 IOobject::NO_READ,
  68                 IOobject::NO_WRITE,
  69                 false
  70             ),
  71             size
  72         );
  73
  74         const face f(identity(4));
  75
  76         forAll(faces2, i)
  77         {
  78             faces2[i] = f;
  79         }
  80
  81         Info<< "Constructed faceList in = "
  82             << runTime.cpuTimeIncrement() << " s" << nl << endl;
  83
  84
  85         // Write binary
  86         faces2.writeObject
  87         (
  88             format,
  89             IOstream::currentVersion,
  90             IOstream::UNCOMPRESSED
  91         );
  92
  93         Info<< "Written old format faceList in = "
  94             << runTime.cpuTimeIncrement() << " s" << nl << endl;
  95
  96         // Read
  97         faceIOList faces3
  98         (
  99             IOobject
 100             (
 101                 "faces2",
 102                 runTime.constant(),
 103                 polyMesh::meshSubDir,
 104                 runTime,
 105                 IOobject::MUST_READ,
 106                 IOobject::NO_WRITE,
 107                 false
 108             )
 109         );
 110
 111         Info<< "Read old format " << faces3.size() << " faceList in = "
 112             << runTime.cpuTimeIncrement() << " s" << nl << endl;
 113     }
 114
 115
 116     // New format
 117     // ~~~~~~~~~~
 118
 119     {
 120         // Construct big faceList in new format
 121         faceCompactIOList faces2
 122         (
 123             IOobject
 124             (
 125                 "faces2",
 126                 runTime.constant(),
 127                 polyMesh::meshSubDir,
 128                 runTime,
 129                 IOobject::NO_READ,
 130                 IOobject::NO_WRITE,
 131                 false
 132             ),
 133             size
 134         );
 135
 136         const face f(identity(4));
 137
 138         forAll(faces2, i)
 139         {
 140             faces2[i] = f;
 141         }
 142
 143         Info<< "Constructed new format faceList in = "
 144             << runTime.cpuTimeIncrement() << " s" << nl << endl;
 145
 146
 147         // Write binary
 148         faces2.writeObject
 149         (
 150             format,
 151             IOstream::currentVersion,
 152             IOstream::UNCOMPRESSED
 153         );
 154
 155         Info<< "Written new format faceList in = "
 156             << runTime.cpuTimeIncrement() << " s" << nl << endl;
 157
 158         // Read
 159         faceCompactIOList faces3
 160         (
 161             IOobject
 162             (
 163                 "faces2",
 164                 runTime.constant(),
 165                 polyMesh::meshSubDir,
 166                 runTime,
 167                 IOobject::MUST_READ,
 168                 IOobject::NO_WRITE,
 169                 false
 170             )
 171         );
 172
 173         Info<< "Read new format " << faces3.size() << " faceList in = "
 174             << runTime.cpuTimeIncrement() << " s" << nl << endl;
 175     }
 176
 177     return 0;
 178 }
 179
 180
 181 // ************************************************************************* //