mirror of
https://develop.openfoam.com/Development/openfoam.git
synced 2025-11-28 03:28:01 +00:00
96 lines
2.6 KiB
C++
96 lines
2.6 KiB
C++
/*---------------------------------------------------------------------------*\
|
|
========= |
|
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
|
\\ / O peration |
|
|
\\ / A nd | Copyright (C) 1991-2009 OpenCFD Ltd.
|
|
\\/ M anipulation |
|
|
-------------------------------------------------------------------------------
|
|
License
|
|
This file is part of OpenFOAM.
|
|
|
|
OpenFOAM is free software: you can redistribute it and/or modify it
|
|
under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
|
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
Class
|
|
Foam::clockTime
|
|
|
|
Description
|
|
Starts timing (using rtc) and returns elapsed time from start.
|
|
Better resolution (2uSec instead of ~20mSec) than cpuTime.
|
|
|
|
SourceFiles
|
|
clockTime.C
|
|
|
|
\*---------------------------------------------------------------------------*/
|
|
|
|
#ifndef clockTime_H
|
|
#define clockTime_H
|
|
|
|
#include <sys/types.h>
|
|
|
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
|
|
|
namespace Foam
|
|
{
|
|
|
|
/*---------------------------------------------------------------------------*\
|
|
Class clockTime Declaration
|
|
\*---------------------------------------------------------------------------*/
|
|
|
|
class clockTime
|
|
{
|
|
// Private data
|
|
|
|
struct timeval startTime_;
|
|
mutable struct timeval lastTime_;
|
|
mutable struct timeval newTime_;
|
|
|
|
static void getTime(struct timeval& t);
|
|
|
|
static double timeDifference
|
|
(
|
|
const struct timeval& start,
|
|
const struct timeval& end
|
|
);
|
|
|
|
|
|
public:
|
|
|
|
// Constructors
|
|
|
|
//- Construct from components
|
|
clockTime();
|
|
|
|
|
|
// Member Functions
|
|
|
|
// Access
|
|
|
|
//- Returns CPU time from start of run
|
|
double elapsedTime() const;
|
|
|
|
//- Returns CPU time from last call of clockTimeIncrement()
|
|
double timeIncrement() const;
|
|
};
|
|
|
|
|
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
|
|
|
} // End namespace Foam
|
|
|
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
|
|
|
#endif
|
|
|
|
// ************************************************************************* //
|