Geant4 Cross Reference |
1 // 1 // 2 // ******************************************* 2 // ******************************************************************** 3 // * License and Disclaimer << 3 // * DISCLAIMER * 4 // * 4 // * * 5 // * The Geant4 software is copyright of th << 5 // * The following disclaimer summarizes all the specific disclaimers * 6 // * the Geant4 Collaboration. It is provided << 6 // * of contributors to this software. The specific disclaimers,which * 7 // * conditions of the Geant4 Software License << 7 // * govern, are listed with their locations in: * 8 // * LICENSE and available at http://cern.ch/ << 8 // * http://cern.ch/geant4/license * 9 // * include a list of copyright holders. << 10 // * 9 // * * 11 // * Neither the authors of this software syst 10 // * Neither the authors of this software system, nor their employing * 12 // * institutes,nor the agencies providing fin 11 // * institutes,nor the agencies providing financial support for this * 13 // * work make any representation or warran 12 // * work make any representation or warranty, express or implied, * 14 // * regarding this software system or assum 13 // * regarding this software system or assume any liability for its * 15 // * use. Please see the license in the file << 14 // * use. * 16 // * for the full disclaimer and the limitatio << 17 // * 15 // * * 18 // * This code implementation is the result << 16 // * This code implementation is the intellectual property of the * 19 // * technical work of the GEANT4 collaboratio << 17 // * GEANT4 collaboration. * 20 // * By using, copying, modifying or distri << 18 // * By copying, distributing or modifying the Program (or any work * 21 // * any work based on the software) you ag << 19 // * based on the Program) you indicate your acceptance of this * 22 // * use in resulting scientific publicati << 20 // * statement, and all its terms. * 23 // * acceptance of all terms of the Geant4 Sof << 24 // ******************************************* 21 // ******************************************************************** 25 // 22 // 26 // G4Timer << 23 // >> 24 // $Id: G4Timer.hh,v 1.13 2005/03/15 19:11:35 gcosmo Exp $ >> 25 // GEANT4 tag $Name: geant4-08-00-patch-01 $ >> 26 // >> 27 // >> 28 // ---------------------------------------------------------------------- >> 29 // Class G4Timer 27 // 30 // 28 // Class description: 31 // Class description: 29 // 32 // 30 // Class for timer objects, able to measure el 33 // Class for timer objects, able to measure elasped user/system process time. 31 // 34 // 32 // Note: Uses <sys/times.h> & <unistd.h> - POS 35 // Note: Uses <sys/times.h> & <unistd.h> - POSIX.1 defined 33 // If used, this header must be included 36 // If used, this header must be included in the source (.cc) file and it 34 // must be the first header file to be i 37 // must be the first header file to be included! 35 // 38 // 36 // Member functions: 39 // Member functions: 37 // 40 // 38 // G4Timer() 41 // G4Timer() 39 // Construct a timer object 42 // Construct a timer object 40 // Start() 43 // Start() 41 // Start timing 44 // Start timing 42 // Stop() 45 // Stop() 43 // Stop timing 46 // Stop timing 44 // G4bool IsValid() 47 // G4bool IsValid() 45 // Return true if have a valid time (ie star 48 // Return true if have a valid time (ie start() and stop() called) 46 // G4double GetRealElapsed() 49 // G4double GetRealElapsed() 47 // Return the elapsed real time between last 50 // Return the elapsed real time between last calling start() and stop() 48 // G4double GetSystemElapsed() 51 // G4double GetSystemElapsed() 49 // Return the elapsed system time between la 52 // Return the elapsed system time between last calling start() and stop() 50 // G4double GetUserElapsed() 53 // G4double GetUserElapsed() 51 // Return the elapsed user time between last 54 // Return the elapsed user time between last calling start() and stop() 52 // 55 // 53 // Operators: 56 // Operators: 54 // 57 // 55 // std::ostream& operator << (std::ostream& os 58 // std::ostream& operator << (std::ostream& os, const G4Timer& t); 56 // Print the elapsed real,system and usertim 59 // Print the elapsed real,system and usertimes on os. Prints **s for times 57 // if !IsValid 60 // if !IsValid 58 // 61 // 59 // Member data: 62 // Member data: 60 // 63 // 61 // G4bool fValidTimes 64 // G4bool fValidTimes 62 // True after start and stop have both been 65 // True after start and stop have both been called more than once and 63 // an equal number of times 66 // an equal number of times 64 // clock_t fStartRealTime,fEndRealTime 67 // clock_t fStartRealTime,fEndRealTime 65 // Real times (arbitrary time 0) 68 // Real times (arbitrary time 0) 66 // tms fStartTimes,fEndTimes 69 // tms fStartTimes,fEndTimes 67 // Timing structures (see times(2)) for star 70 // Timing structures (see times(2)) for start and end times 68 71 69 // Author: P.Kent, 21.08.95 - First implementa << 72 // History: 70 // Revision: G.Cosmo, 29.04.97 - Added timings << 73 // 23.08.96 P.Kent Updated to also computed real elapsed time 71 // ------------------------------------------- << 74 // 21.08.95 P.Kent >> 75 // 29.04.97 G.Cosmo Added timings for Windows/NT >> 76 72 #ifndef G4TIMER_HH 77 #ifndef G4TIMER_HH 73 #define G4TIMER_HH 1 << 78 #define G4TIMER_HH 74 79 75 #if !(defined(WIN32) || defined(__MINGW32__)) << 80 #ifndef WIN32 76 # include <sys/times.h> << 77 # include <unistd.h> 81 # include <unistd.h> >> 82 # include <sys/times.h> 78 #else 83 #else 79 # include <time.h> 84 # include <time.h> 80 # define _SC_CLK_TCK 1 << 85 # define _SC_CLK_TCK 1 81 << 82 extern "C" << 83 { << 84 int sysconf(int); << 85 }; << 86 << 87 // Structure returned by times() << 88 86 89 struct tms << 87 extern "C" { 90 { << 88 int sysconf(int); 91 clock_t tms_utime; /* user time */ << 89 }; 92 clock_t tms_stime; /* system time */ << 90 93 clock_t tms_cutime; /* user time, children * << 91 // Structure returned by times() 94 clock_t tms_cstime; /* system time, children << 92 95 }; << 93 struct tms { 96 << 94 clock_t tms_utime; /* user time */ 97 extern "C" << 95 clock_t tms_stime; /* system time */ 98 { << 96 clock_t tms_cutime; /* user time, children */ 99 extern clock_t times(struct tms*); << 97 clock_t tms_cstime; /* system time, children */ 100 }; << 98 }; 101 #endif /* WIN32 */ << 99 >> 100 extern "C" { >> 101 extern clock_t times(struct tms *); >> 102 }; >> 103 #endif /* WIN32 */ 102 104 103 #include "G4Types.hh" 105 #include "G4Types.hh" 104 #include "G4ios.hh" 106 #include "G4ios.hh" 105 107 106 #include <chrono> << 107 << 108 class G4Timer 108 class G4Timer 109 { 109 { 110 public: << 110 public: 111 inline void Start(); << 111 112 inline void Stop(); << 112 G4Timer(); 113 inline G4bool IsValid() const; << 113 114 inline const char* GetClockTime() const; << 114 inline void Start(); 115 G4double GetRealElapsed() const; << 115 inline void Stop(); 116 G4double GetSystemElapsed() const; << 116 inline G4bool IsValid() const; 117 G4double GetUserElapsed() const; << 117 G4double GetRealElapsed() const; 118 << 118 G4double GetSystemElapsed() const; 119 private: << 119 G4double GetUserElapsed() const; 120 G4bool fValidTimes{false}; << 120 121 using clock_type = std::chrono::high_resolut << 121 private: 122 std::chrono::time_point<clock_type> fStartRe << 122 123 tms fStartTimes, fEndTimes; << 123 G4bool fValidTimes; >> 124 clock_t fStartRealTime,fEndRealTime; >> 125 tms fStartTimes,fEndTimes; 124 }; 126 }; 125 127 126 std::ostream& operator<<(std::ostream& os, con << 128 std::ostream& operator << (std::ostream& os, const G4Timer& t); 127 129 128 #include "G4Timer.icc" 130 #include "G4Timer.icc" >> 131 >> 132 #define times ostimes 129 133 130 #endif 134 #endif 131 135