| 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 *
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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 *
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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 class implementation <<
27 // 23 //
28 // Author: P.Kent, 21.08.95 - First implementa << 24 // $Id: G4Timer.cc,v 1.10 2002/01/17 10:49:02 gcosmo Exp $
29 // Revision: G.Cosmo, 29.04.97 - Added timings << 25 // GEANT4 tag $Name: geant4-04-00-patch-01 $
30 // ------------------------------------------- << 26 //
>> 27 //
>> 28 // ----------------------------------------------------------------------
>> 29 // class G4Timer
>> 30 //
>> 31 // Implementation
>> 32 // 29.04.97 G.Cosmo Added timings for Windows/NT
31 33
32 #include "G4Timer.hh" 34 #include "G4Timer.hh"
33 #include "G4ios.hh" 35 #include "G4ios.hh"
34 #include "G4Exception.hh" <<
35 36
36 #include <iomanip> << 37 #undef times
>> 38
>> 39 // Global error function
>> 40 void G4Exception(const char* s=0);
37 41
38 #if defined(IRIX6_2) 42 #if defined(IRIX6_2)
39 # if defined(_XOPEN_SOURCE) && (_XOPEN_SOURCE << 43 # if defined(_XOPEN_SOURCE) && (_XOPEN_SOURCE_EXTENDED==1)
40 # define __vfork vfork 44 # define __vfork vfork
41 # endif 45 # endif
42 #endif 46 #endif
43 47
44 #ifdef WIN32 48 #ifdef WIN32
45 # include <sys/types.h> 49 # include <sys/types.h>
46 # include <windows.h> 50 # include <windows.h>
47 51
48 // extract milliseconds time unit << 52 // extract milliseconds time unit
49 G4int sysconf(G4int a) << 53 int sysconf(int a){
50 { << 54 if( a == _SC_CLK_TCK ) return 1000;
51 if(a == _SC_CLK_TCK) << 55 else return 0;
52 return 1000; << 56 }
53 else << 57
54 return 0; << 58 static clock_t filetime2msec( FILETIME* t ){
55 } << 59
56 << 60 return (clock_t)((((float)t->dwHighDateTime)*429496.7296)+
57 static clock_t filetime2msec(FILETIME* t) << 61 (((float)t->dwLowDateTime)*.0001) );
58 { << 62 }
59 return (clock_t)((((G4float) t->dwHighDateTi << 63
60 (((G4float) t->dwLowDateTim << 64
61 } << 65 clock_t times(struct tms * t){
62 << 66 FILETIME ct = {0,0}, et = {0,0}, st = {0,0}, ut = {0,0}, rt = {0,0};
63 clock_t times(struct tms* t) << 67 SYSTEMTIME realtime;
64 { << 68
65 FILETIME ct = { 0, 0 }, et = { 0, 0 }, st = << 69 GetSystemTime( &realtime );
66 rt = { 0, 0 }; << 70 SystemTimeToFileTime( &realtime, &rt ); // get real time in 10^-9 sec
67 SYSTEMTIME realtime; << 71 if( t != 0 ){
68 << 72 GetProcessTimes( GetCurrentProcess(), &ct, &et, &st, &ut);// get process time in 10^-9 sec
69 GetSystemTime(&realtime); << 73 t->tms_utime = t->tms_cutime = filetime2msec(&ut);
70 SystemTimeToFileTime(&realtime, &rt); // ge << 74 t->tms_stime = t->tms_cstime = filetime2msec(&st);
71 if(t != 0) << 75 }
72 { << 76 return filetime2msec(&rt);
73 GetProcessTimes(GetCurrentProcess(), &ct, << 77 }
74 // get process time in 10^-9 sec <<
75 t->tms_utime = t->tms_cutime = filetime2ms <<
76 t->tms_stime = t->tms_cstime = filetime2ms <<
77 } <<
78 return filetime2msec(&rt); <<
79 } <<
80 #endif /* WIN32 */ 78 #endif /* WIN32 */
81 79
82 // Print timer status on std::ostream << 80 // Print timer status n G4std::ostream
83 // << 81 G4std::ostream& operator << (G4std::ostream& os, const G4Timer& t)
84 std::ostream& operator<<(std::ostream& os, con <<
85 { 82 {
86 // so fixed doesn't propagate << 83 if (t.IsValid())
87 std::stringstream ss; << 84 {
88 ss << std::fixed; << 85 os << "User=" << t.GetUserElapsed()
89 if(t.IsValid()) << 86 << "s Real=" << t.GetRealElapsed()
90 { << 87 << "s Sys=" << t.GetSystemElapsed() << "s";
91 ss << "User=" << t.GetUserElapsed() << "s << 88 }
92 << "s Sys=" << t.GetSystemElapsed() << << 89 else
93 #ifdef G4MULTITHREADED << 90 {
94 // avoid possible FPE error << 91 os << "User=****s Real=****s Sys=****s";
95 if(t.GetRealElapsed() > 1.0e-6) << 92 }
96 { << 93 return os;
97 G4double cpu_util = (t.GetUserElapsed() <<
98 t.GetRealElapsed() * <<
99 ss << std::setprecision(1); <<
100 ss << " [Cpu=" << std::setprecision(1) < <<
101 } <<
102 #endif <<
103 } <<
104 else <<
105 { <<
106 ss << "User=****s Real=****s Sys=****s"; <<
107 } <<
108 os << ss.str(); <<
109 <<
110 return os; <<
111 } 94 }
112 95
113 G4double G4Timer::GetRealElapsed() const 96 G4double G4Timer::GetRealElapsed() const
114 { 97 {
115 if(!fValidTimes) << 98 if (!fValidTimes)
116 { << 99 {
117 G4Exception("G4Timer::GetRealElapsed()", " << 100 G4Exception("G4Timer::GetRealElapsed - Timer not stopped or times not recorded");
118 "Timer not stopped or times no << 101 }
119 } << 102 G4double diff=fEndRealTime-fStartRealTime;
120 std::chrono::duration<G4double> diff = fEndR << 103 return diff/sysconf(_SC_CLK_TCK);
121 return diff.count(); <<
122 } 104 }
123 105
>> 106
124 G4double G4Timer::GetSystemElapsed() const 107 G4double G4Timer::GetSystemElapsed() const
125 { 108 {
126 if(!fValidTimes) << 109 if (!fValidTimes)
127 { << 110 {
128 G4Exception("G4Timer::GetSystemElapsed()", << 111 G4Exception("G4Timer::GetSystemElapsed - Timer not stopped or times not recorded");
129 FatalException, "Timer not sto << 112 }
130 } << 113 G4double diff=fEndTimes.tms_stime-fStartTimes.tms_stime;
131 G4double diff = fEndTimes.tms_stime - fStart << 114 return diff/sysconf(_SC_CLK_TCK);
132 return diff / sysconf(_SC_CLK_TCK); <<
133 } 115 }
134 116
135 G4double G4Timer::GetUserElapsed() const 117 G4double G4Timer::GetUserElapsed() const
136 { 118 {
137 if(!fValidTimes) << 119 if (!fValidTimes)
138 { << 120 {
139 G4Exception("G4Timer::GetUserElapsed()", " << 121 G4Exception("G4Timer::GetUserElapsed - Timer not stopped or times not recorded");
140 "Timer not stopped or times no << 122 }
141 } << 123 G4double diff=fEndTimes.tms_utime-fStartTimes.tms_utime;
142 G4double diff = fEndTimes.tms_utime - fStart << 124 return diff/sysconf(_SC_CLK_TCK);
143 return diff / sysconf(_SC_CLK_TCK); <<
144 } 125 }
>> 126
145 127