[1] | 1 | SUBROUTINE cpu_log( log_event, place, modus, barrierwait ) |
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| 2 | |
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| 3 | !------------------------------------------------------------------------------! |
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| 4 | ! Actual revisions: |
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| 5 | ! ----------------- |
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| 6 | ! |
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| 7 | ! |
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| 8 | ! Former revisions: |
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| 9 | ! ----------------- |
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| 10 | ! $Log: cpu_log.f90,v $ |
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| 11 | ! Revision 1.24 2006/06/02 15:12:17 raasch |
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| 12 | ! cpp-directives extended for lctit |
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| 13 | ! |
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| 14 | ! Revision 1.23 2004/01/28 15:08:52 raasch |
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| 15 | ! Type log changed to logpoint due to name conflict with intrinsic log |
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| 16 | ! |
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| 17 | ! Revision 1.22 2003/05/09 14:15:18 raasch |
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| 18 | ! Time measurement on linux machines included, measurements on IBM are now using |
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| 19 | ! function irtc, which allows correct measurements for jobs running over |
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| 20 | ! the 24:00 timeline |
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| 21 | ! |
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| 22 | ! Revision 1.21 2003/03/16 09:30:04 raasch |
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| 23 | ! Two underscores (_) are placed in front of all define-strings |
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| 24 | ! |
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| 25 | ! Revision 1.20 2003/03/12 16:24:18 raasch |
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| 26 | ! Time measurement on NEC implemented |
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| 27 | ! |
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| 28 | ! Revision 1.19 2002/12/20 09:38:43 raasch |
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| 29 | ! variable first is defined for all hosts |
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| 30 | ! |
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| 31 | ! Revision 1.18 2002/12/19 14:09:36 raasch |
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| 32 | ! Output of warnings in case of negative cpu-times, STOP statement replaced by |
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| 33 | ! call of subroutine local_stop |
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| 34 | ! |
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| 35 | ! Revision 1.17 2002/05/02 18:49:37 raasch |
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| 36 | ! Time measurement on IBM implemented |
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| 37 | ! |
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| 38 | ! Revision 1.16 2001/03/30 07:00:43 raasch |
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| 39 | ! Translation of remaining German identifiers (variables, subroutines, etc.) |
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| 40 | ! |
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| 41 | ! Revision 1.14 2001/01/25 06:56:49 raasch |
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| 42 | ! +cpp-directives for dec-alpha-workstations |
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| 43 | ! |
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| 44 | ! Revision 1.13 2001/01/22 08:32:46 raasch |
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| 45 | ! Module test_variables removed |
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| 46 | ! |
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| 47 | ! Revision 1.11 2000/12/20 10:18:58 letzel |
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| 48 | ! All comments translated into English. |
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| 49 | ! |
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| 50 | ! Revision 1.9 1999/11/25 16:19:07 raasch |
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| 51 | ! TIMEF jetzt als Function-Aufruf |
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| 52 | ! |
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| 53 | ! Revision 1.8 1999/03/03 09:26:14 raasch |
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| 54 | ! Zeitmessung auf T3E grundsaetzlich auf TIMEF umgestellt |
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| 55 | ! |
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| 56 | ! Revision 1.7 1998/12/15 07:32:39 raasch |
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| 57 | ! Messung der wahren I/O-Zeiten auf T3E mit TIMEF moeglich |
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| 58 | ! |
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| 59 | ! Revision 1.4 1997/09/16 06:37:24 raasch |
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| 60 | ! Zeitmessungen auf t3e umgestellt auf tsecnd (schneller als mpi_wtime) |
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| 61 | ! |
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| 62 | ! Revision 1.1 1997/07/24 11:12:29 raasch |
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| 63 | ! Initial revision |
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| 64 | ! |
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| 65 | ! |
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| 66 | ! Description: |
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| 67 | ! ------------ |
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| 68 | ! Cpu-time measurements for any program part whatever. |
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| 69 | !-------------------------------------------------------------------------------! |
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| 70 | |
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| 71 | USE cpulog |
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| 72 | USE pegrid |
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| 73 | |
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| 74 | IMPLICIT NONE |
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| 75 | |
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| 76 | CHARACTER (LEN=*) :: modus, place |
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| 77 | CHARACTER (LEN=*), OPTIONAL :: barrierwait |
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| 78 | LOGICAL, SAVE :: first = .TRUE. |
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| 79 | REAL :: mtime = 0.0, mtimevec = 0.0 |
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| 80 | TYPE(logpoint) :: log_event |
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| 81 | |
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| 82 | #if defined( __lcmuk ) || defined( __lctit ) || defined( __hpmuk ) || defined( __decalpha ) || defined( __nec ) |
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| 83 | INTEGER :: count, count_rate |
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| 84 | #elif defined( __ibm ) |
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| 85 | INTEGER(8) :: IRTC |
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| 86 | #elif defined( __t3eb ) |
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| 87 | REAL :: TIMEF |
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| 88 | #endif |
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| 89 | |
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| 90 | |
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| 91 | ! |
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| 92 | !-- Initialize and check, respectively, point of measurement |
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| 93 | IF ( log_event%place == ' ' ) THEN |
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| 94 | log_event%place = place |
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| 95 | ELSEIF ( log_event%place /= place ) THEN |
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| 96 | IF ( myid == 0 ) THEN |
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| 97 | PRINT*,'+++ cpu_log: wrong argument' |
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| 98 | PRINT*,' expected: ',log_event%place,' given: ', place |
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| 99 | ENDIF |
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| 100 | CALL local_stop |
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| 101 | ENDIF |
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| 102 | |
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| 103 | ! |
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| 104 | !-- Take current time |
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| 105 | #if defined( __lcmuk ) || defined( __lctit ) || defined( __hpmuk ) || defined( __decalpha ) || defined( __nec ) |
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| 106 | CALL SYSTEM_CLOCK( count, count_rate ) |
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| 107 | mtime = REAL( count ) / REAL( count_rate ) |
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| 108 | #elif defined( __ibm ) |
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| 109 | mtime = IRTC( ) * 1E-9 |
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| 110 | !#elif defined( __vpp ) |
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| 111 | ! CALL CLOCKV ( mtimevec, mtime, 0, 2 ) |
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| 112 | #elif defined( __t3eb ) || defined( __t3eh ) || defined( __t3ej2 ) || defined( __t3ej5 ) |
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| 113 | #if defined( __parallel ) |
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| 114 | IF ( .NOT. PRESENT( barrierwait ) ) THEN |
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| 115 | CALL MPI_BARRIER( comm2d, ierr ) |
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| 116 | CONTINUE |
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| 117 | ENDIF |
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| 118 | #endif |
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| 119 | mtime = TIMEF( ) |
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| 120 | mtime = mtime * 0.001 |
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| 121 | #else |
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| 122 | IF ( myid == 0 ) THEN |
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| 123 | PRINT*, '+++ cpu_log: no time measurement defined on this host' |
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| 124 | ENDIF |
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| 125 | CALL local_stop |
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| 126 | #endif |
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| 127 | |
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| 128 | ! |
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| 129 | !-- Start, stop or pause measurement |
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| 130 | IF ( modus == 'start' .OR. modus == 'continue' ) THEN |
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| 131 | log_event%mtime = mtime |
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| 132 | log_event%mtimevec = mtimevec |
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| 133 | ELSEIF ( modus == 'pause' ) THEN |
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| 134 | IF ( ( mtime - log_event%mtime ) < 0.0 .AND. first ) THEN |
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| 135 | PRINT*,'+++ WARNING: cpu_log: negative time interval occured' |
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| 136 | PRINT*,'+++ PE',myid,' L=PAUSE "',TRIM(log_event%place),'" new=', & |
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| 137 | mtime,' last=',log_event%mtime |
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| 138 | first = .FALSE. |
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| 139 | ENDIF |
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| 140 | log_event%isum = log_event%isum + mtime - log_event%mtime |
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| 141 | log_event%ivect = log_event%ivect + mtimevec - log_event%mtimevec |
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| 142 | ELSEIF ( modus == 'stop' ) THEN |
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| 143 | IF ( ( mtime - log_event%mtime + log_event%isum ) < 0.0 .AND. & |
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| 144 | first ) THEN |
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| 145 | PRINT*,'+++ WARNING: cpu_log: negative time interval occured' |
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| 146 | PRINT*,'+++ PE',myid,' L=STOP "',TRIM(log_event%place),'" new=', & |
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| 147 | mtime,' last=',log_event%mtime,' isum=',log_event%isum |
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| 148 | first = .FALSE. |
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| 149 | ENDIF |
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| 150 | log_event%mtime = mtime - log_event%mtime + log_event%isum |
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| 151 | log_event%mtimevec = mtimevec - log_event%mtimevec + log_event%ivect |
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| 152 | log_event%sum = log_event%sum + log_event%mtime |
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| 153 | IF ( log_event%sum < 0.0 .AND. first ) THEN |
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| 154 | PRINT*,'+++ WARNING: cpu_log: negative time interval occured' |
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| 155 | PRINT*,'+++ PE',myid,' L=STOP "',TRIM(log_event%place),'" sum=', & |
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| 156 | log_event%sum,' mtime=',log_event%mtime |
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| 157 | first = .FALSE. |
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| 158 | ENDIF |
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| 159 | log_event%vector = log_event%vector + log_event%mtimevec |
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| 160 | log_event%counts = log_event%counts + 1 |
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| 161 | log_event%isum = 0.0 |
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| 162 | log_event%ivect = 0.0 |
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| 163 | ELSE |
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| 164 | PRINT*, '+++ unknown modus of time measurement: ', modus |
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| 165 | ENDIF |
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| 166 | |
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| 167 | |
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| 168 | END SUBROUTINE cpu_log |
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