00001 /*---------------------------------------------------------------------------*\ 00002 ========= | 00003 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox 00004 \\ / O peration | 00005 \\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd. 00006 \\/ M anipulation | 00007 ------------------------------------------------------------------------------- 00008 License 00009 This file is part of OpenFOAM. 00010 00011 OpenFOAM is free software: you can redistribute it and/or modify it 00012 under the terms of the GNU General Public License as published by 00013 the Free Software Foundation, either version 3 of the License, or 00014 (at your option) any later version. 00015 00016 OpenFOAM is distributed in the hope that it will be useful, but WITHOUT 00017 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00018 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 00019 for more details. 00020 00021 You should have received a copy of the GNU General Public License 00022 along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>. 00023 00024 Class 00025 Foam::clockTime 00026 00027 Description 00028 Starts timing (using rtc) and returns elapsed time from start. 00029 Better resolution (2uSec instead of ~20mSec) than cpuTime. 00030 00031 SourceFiles 00032 clockTime.C 00033 00034 \*---------------------------------------------------------------------------*/ 00035 00036 #ifndef clockTime_H 00037 #define clockTime_H 00038 00039 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00040 00041 namespace Foam 00042 { 00043 00044 /*---------------------------------------------------------------------------*\ 00045 Class clockTime Declaration 00046 \*---------------------------------------------------------------------------*/ 00047 00048 //- Forward declaration of the OS specific implementation 00049 class cpuTimeImpl; 00050 00051 00052 class clockTime 00053 { 00054 // Private data 00055 00056 //- The actual implementation (opaque pointer): PIMPL 00057 clockTime* impl_; 00058 00059 public: 00060 00061 // Constructors 00062 00063 //- Construct from components 00064 clockTime(); 00065 00066 00067 // Member Functions 00068 00069 // Access 00070 00071 //- Returns CPU time from start of run 00072 double elapsedTime() const; 00073 00074 //- Returns CPU time from last call of clockTimeIncrement() 00075 double timeIncrement() const; 00076 }; 00077 00078 00079 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00080 00081 } // End namespace Foam 00082 00083 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00084 00085 #endif 00086 00087 // ************************ vim: set sw=4 sts=4 et: ************************ //
