1 | SUBROUTINE cpu_log( log_event, place, modus, barrierwait ) |
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2 | |
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3 | !--------------------------------------------------------------------------------! |
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4 | ! This file is part of PALM. |
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5 | ! |
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6 | ! PALM is free software: you can redistribute it and/or modify it under the terms |
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7 | ! of the GNU General Public License as published by the Free Software Foundation, |
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8 | ! either version 3 of the License, or (at your option) any later version. |
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9 | ! |
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10 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
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11 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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12 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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13 | ! |
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14 | ! You should have received a copy of the GNU General Public License along with |
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15 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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16 | ! |
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17 | ! Copyright 1997-2012 Leibniz University Hannover |
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18 | !--------------------------------------------------------------------------------! |
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19 | ! |
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20 | ! Current revisions: |
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21 | ! ----------------- |
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22 | ! |
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23 | ! |
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24 | ! Former revisions: |
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25 | ! ----------------- |
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26 | ! $Id: cpu_log.f90 1036 2012-10-22 13:43:42Z raasch $ |
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27 | ! |
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28 | ! 274 2009-03-26 15:11:21Z heinze |
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29 | ! Output of messages replaced by message handling routine. |
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30 | ! Type of count and count_rate changed to default INTEGER on NEC machines |
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31 | ! |
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32 | ! 225 2009-01-26 14:44:20Z raasch |
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33 | ! Type of count and count_rate changed to INTEGER(8) |
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34 | ! |
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35 | ! 82 2007-04-16 15:40:52Z raasch |
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36 | ! Preprocessor strings for different linux clusters changed to "lc", |
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37 | ! preprocessor directives for old systems removed |
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38 | ! |
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39 | ! RCS Log replace by Id keyword, revision history cleaned up |
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40 | ! |
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41 | ! Revision 1.24 2006/06/02 15:12:17 raasch |
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42 | ! cpp-directives extended for lctit |
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43 | ! |
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44 | ! Revision 1.1 1997/07/24 11:12:29 raasch |
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45 | ! Initial revision |
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46 | ! |
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47 | ! |
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48 | ! Description: |
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49 | ! ------------ |
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50 | ! Cpu-time measurements for any program part whatever. |
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51 | !------------------------------------------------------------------------------! |
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52 | |
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53 | USE control_parameters |
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54 | USE cpulog |
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55 | USE pegrid |
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56 | |
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57 | IMPLICIT NONE |
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58 | |
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59 | CHARACTER (LEN=*) :: modus, place |
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60 | CHARACTER (LEN=*), OPTIONAL :: barrierwait |
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61 | LOGICAL, SAVE :: first = .TRUE. |
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62 | REAL :: mtime = 0.0, mtimevec = 0.0 |
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63 | TYPE(logpoint) :: log_event |
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64 | |
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65 | #if defined( __lc ) || defined( __decalpha ) |
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66 | INTEGER(8) :: count, count_rate |
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67 | #elif defined( __nec ) |
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68 | INTEGER :: count, count_rate |
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69 | #elif defined( __ibm ) |
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70 | INTEGER(8) :: IRTC |
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71 | #endif |
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72 | |
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73 | |
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74 | ! |
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75 | !-- Initialize and check, respectively, point of measurement |
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76 | IF ( log_event%place == ' ' ) THEN |
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77 | log_event%place = place |
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78 | ELSEIF ( log_event%place /= place ) THEN |
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79 | WRITE( message_string, * ) 'wrong argument & expected: ', & |
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80 | TRIM(log_event%place), ' given: ', TRIM( place ) |
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81 | CALL message( 'cpu_log', 'PA0174', 1, 2, 0, 6, 0 ) |
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82 | ENDIF |
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83 | |
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84 | ! |
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85 | !-- Take current time |
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86 | #if defined( __lc ) || defined( __decalpha ) || defined( __nec ) |
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87 | CALL SYSTEM_CLOCK( count, count_rate ) |
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88 | mtime = REAL( count ) / REAL( count_rate ) |
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89 | #elif defined( __ibm ) |
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90 | mtime = IRTC( ) * 1E-9 |
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91 | #else |
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92 | message_string = 'no time measurement defined on this host' |
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93 | CALL message( 'cpu_log', 'PA0175', 1, 2, 0, 6, 0 ) |
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94 | #endif |
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95 | |
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96 | ! |
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97 | !-- Start, stop or pause measurement |
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98 | IF ( modus == 'start' .OR. modus == 'continue' ) THEN |
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99 | log_event%mtime = mtime |
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100 | log_event%mtimevec = mtimevec |
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101 | ELSEIF ( modus == 'pause' ) THEN |
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102 | IF ( ( mtime - log_event%mtime ) < 0.0 .AND. first ) THEN |
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103 | WRITE( message_string, * ) 'negative time interval occured', & |
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104 | ' &PE',myid,' L=PAUSE "',TRIM(log_event%place),'" new=', & |
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105 | mtime,' last=',log_event%mtime |
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106 | CALL message( 'cpu_log', 'PA0176', 0, 1, -1, 6, 0 ) |
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107 | first = .FALSE. |
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108 | ENDIF |
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109 | log_event%isum = log_event%isum + mtime - log_event%mtime |
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110 | log_event%ivect = log_event%ivect + mtimevec - log_event%mtimevec |
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111 | ELSEIF ( modus == 'stop' ) THEN |
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112 | IF ( ( mtime - log_event%mtime + log_event%isum ) < 0.0 .AND. & |
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113 | first ) THEN |
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114 | WRITE( message_string, * ) 'negative time interval occured', & |
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115 | ' &PE',myid,' L=STOP "',TRIM(log_event%place),'" new=', & |
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116 | mtime,' last=',log_event%mtime,' isum=',log_event%isum |
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117 | CALL message( 'cpu_log', 'PA0177', 0, 1, -1, 6, 0 ) |
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118 | first = .FALSE. |
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119 | ENDIF |
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120 | log_event%mtime = mtime - log_event%mtime + log_event%isum |
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121 | log_event%mtimevec = mtimevec - log_event%mtimevec + log_event%ivect |
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122 | log_event%sum = log_event%sum + log_event%mtime |
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123 | IF ( log_event%sum < 0.0 .AND. first ) THEN |
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124 | WRITE( message_string, * ) 'negative time interval occured', & |
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125 | ' &PE',myid,' L=STOP "',TRIM(log_event%place),'" sum=', & |
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126 | log_event%sum,' mtime=',log_event%mtime |
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127 | CALL message( 'cpu_log', 'PA0178', 0, 1, -1, 6, 0 ) |
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128 | first = .FALSE. |
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129 | ENDIF |
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130 | log_event%vector = log_event%vector + log_event%mtimevec |
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131 | log_event%counts = log_event%counts + 1 |
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132 | log_event%isum = 0.0 |
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133 | log_event%ivect = 0.0 |
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134 | ELSE |
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135 | message_string = 'unknown modus of time measurement: ' // TRIM( modus ) |
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136 | CALL message( 'cpu_log', 'PA0179', 0, 1, -1, 6, 0 ) |
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137 | ENDIF |
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138 | |
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139 | |
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140 | END SUBROUTINE cpu_log |
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