1 | MODULE cpulog |
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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 1997-2014 Leibniz Universitaet 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: cpulog.f90 1319 2014-03-17 15:08:44Z raasch $ |
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27 | ! |
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28 | ! 1318 2014-03-17 13:35:16Z raasch |
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29 | ! former files/routines cpu_log and cpu_statistics combined to one module, |
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30 | ! which also includes the former data module cpulog from the modules-file |
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31 | ! |
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32 | ! 1036 2012-10-22 13:43:42Z raasch |
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33 | ! code put under GPL (PALM 3.9) |
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34 | ! |
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35 | ! 274 2009-03-26 15:11:21Z heinze |
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36 | ! Output of messages replaced by message handling routine. |
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37 | ! Type of count and count_rate changed to default INTEGER on NEC machines |
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38 | ! |
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39 | ! 225 2009-01-26 14:44:20Z raasch |
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40 | ! Type of count and count_rate changed to INTEGER(8) |
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41 | ! |
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42 | ! 82 2007-04-16 15:40:52Z raasch |
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43 | ! Preprocessor strings for different linux clusters changed to "lc", |
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44 | ! preprocessor directives for old systems removed |
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45 | ! |
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46 | ! RCS Log replace by Id keyword, revision history cleaned up |
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47 | ! |
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48 | ! Revision 1.24 2006/06/02 15:12:17 raasch |
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49 | ! cpp-directives extended for lctit |
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50 | ! |
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51 | ! Revision 1.1 1997/07/24 11:12:29 raasch |
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52 | ! Initial revision |
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53 | ! |
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54 | ! |
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55 | ! Description: |
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56 | ! ------------ |
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57 | ! Cpu-time measurements for any program part whatever. |
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58 | !------------------------------------------------------------------------------! |
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59 | |
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60 | USE control_parameters |
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61 | USE indices, ONLY: nx, ny, nz |
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62 | USE pegrid |
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63 | |
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64 | IMPLICIT NONE |
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65 | |
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66 | PRIVATE |
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67 | PUBLIC cpu_log, cpu_log_barrierwait, cpu_log_nowait, cpu_statistics, & |
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68 | initial_wallclock_time, log_point, log_point_s |
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69 | |
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70 | INTERFACE cpu_log |
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71 | MODULE PROCEDURE cpu_log |
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72 | END INTERFACE cpu_log |
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73 | |
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74 | INTERFACE cpu_statistics |
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75 | MODULE PROCEDURE cpu_statistics |
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76 | END INTERFACE cpu_statistics |
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77 | |
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78 | INTEGER, PARAMETER :: cpu_log_continue = 0, cpu_log_pause = 1, & |
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79 | cpu_log_start = 2, cpu_log_stop = 3 |
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80 | |
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81 | LOGICAL :: cpu_log_barrierwait = .FALSE. |
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82 | LOGICAL, PARAMETER :: cpu_log_nowait = .FALSE. |
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83 | |
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84 | REAL :: initial_wallclock_time |
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85 | |
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86 | TYPE logpoint |
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87 | REAL :: isum, ivect, mean, mtime, mtimevec, sum, vector |
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88 | INTEGER :: counts |
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89 | CHARACTER (LEN=20) :: place |
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90 | END TYPE logpoint |
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91 | |
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92 | TYPE(logpoint), DIMENSION(100) :: log_point = logpoint( 0.0, 0.0, 0.0, & |
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93 | 0.0, 0.0, 0.0, 0.0, 0, ' ' ), & |
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94 | log_point_s = logpoint( 0.0, 0.0, 0.0, & |
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95 | 0.0, 0.0, 0.0, 0.0, 0, ' ' ) |
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96 | |
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97 | SAVE |
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98 | |
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99 | CONTAINS |
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100 | |
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101 | SUBROUTINE cpu_log( log_event, place, modus, barrierwait ) |
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102 | |
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103 | IMPLICIT NONE |
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104 | |
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105 | CHARACTER (LEN=*) :: modus, place |
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106 | LOGICAL :: wait_allowed |
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107 | LOGICAL, OPTIONAL :: barrierwait |
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108 | LOGICAL, SAVE :: first = .TRUE. |
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109 | REAL :: mtime = 0.0, mtimevec = 0.0 |
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110 | TYPE(logpoint) :: log_event |
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111 | |
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112 | #if defined( __lc ) || defined( __decalpha ) |
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113 | INTEGER(8) :: count, count_rate |
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114 | #elif defined( __nec ) |
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115 | INTEGER :: count, count_rate |
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116 | #elif defined( __ibm ) |
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117 | INTEGER(8) :: IRTC |
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118 | #endif |
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119 | |
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120 | |
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121 | ! |
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122 | !-- Initialize and check, respectively, point of measurement |
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123 | IF ( log_event%place == ' ' ) THEN |
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124 | log_event%place = place |
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125 | ELSEIF ( log_event%place /= place ) THEN |
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126 | WRITE( message_string, * ) 'wrong argument & expected: ', & |
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127 | TRIM(log_event%place), ' given: ', TRIM( place ) |
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128 | CALL message( 'cpu_log', 'PA0174', 1, 2, 0, 6, 0 ) |
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129 | ENDIF |
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130 | |
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131 | ! |
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132 | !-- Determine, if barriers are allowed to set |
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133 | IF ( PRESENT( barrierwait ) ) THEN |
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134 | wait_allowed = barrierwait |
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135 | ELSE |
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136 | wait_allowed = .TRUE. |
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137 | ENDIF |
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138 | |
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139 | ! |
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140 | !-- MPI barrier, if requested, in order to avoid measuring wait times |
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141 | !-- caused by MPI routines waiting for other MPI routines of other |
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142 | !-- PEs that have not yet finished |
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143 | #if defined( __parallel ) |
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144 | IF ( cpu_log_barrierwait .AND. wait_allowed .AND. & |
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145 | ( modus == 'start' .OR. modus == 'continue' ) ) THEN |
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146 | CALL MPI_BARRIER( comm2d, ierr ) |
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147 | ENDIF |
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148 | #endif |
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149 | |
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150 | ! |
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151 | !-- Take current time |
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152 | #if defined( __lc ) || defined( __decalpha ) || defined( __nec ) |
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153 | CALL SYSTEM_CLOCK( count, count_rate ) |
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154 | mtime = REAL( count ) / REAL( count_rate ) |
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155 | #elif defined( __ibm ) |
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156 | mtime = IRTC( ) * 1E-9 |
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157 | #else |
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158 | message_string = 'no time measurement defined on this host' |
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159 | CALL message( 'cpu_log', 'PA0175', 1, 2, 0, 6, 0 ) |
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160 | #endif |
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161 | |
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162 | ! |
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163 | !-- Start, stop or pause measurement |
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164 | IF ( modus == 'start' .OR. modus == 'continue' ) THEN |
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165 | log_event%mtime = mtime |
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166 | log_event%mtimevec = mtimevec |
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167 | ELSEIF ( modus == 'pause' ) THEN |
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168 | IF ( ( mtime - log_event%mtime ) < 0.0 .AND. first ) THEN |
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169 | WRITE( message_string, * ) 'negative time interval occured', & |
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170 | ' &PE',myid,' L=PAUSE "',TRIM(log_event%place),'" new=', & |
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171 | mtime,' last=',log_event%mtime |
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172 | CALL message( 'cpu_log', 'PA0176', 0, 1, -1, 6, 0 ) |
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173 | first = .FALSE. |
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174 | ENDIF |
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175 | log_event%isum = log_event%isum + mtime - log_event%mtime |
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176 | log_event%ivect = log_event%ivect + mtimevec - log_event%mtimevec |
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177 | ELSEIF ( modus == 'stop' ) THEN |
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178 | IF ( ( mtime - log_event%mtime + log_event%isum ) < 0.0 .AND. & |
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179 | first ) THEN |
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180 | WRITE( message_string, * ) 'negative time interval occured', & |
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181 | ' &PE',myid,' L=STOP "',TRIM(log_event%place),'" new=', & |
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182 | mtime,' last=',log_event%mtime,' isum=',log_event%isum |
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183 | CALL message( 'cpu_log', 'PA0177', 0, 1, -1, 6, 0 ) |
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184 | first = .FALSE. |
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185 | ENDIF |
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186 | log_event%mtime = mtime - log_event%mtime + log_event%isum |
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187 | log_event%mtimevec = mtimevec - log_event%mtimevec + log_event%ivect |
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188 | log_event%sum = log_event%sum + log_event%mtime |
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189 | IF ( log_event%sum < 0.0 .AND. first ) THEN |
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190 | WRITE( message_string, * ) 'negative time interval occured', & |
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191 | ' &PE',myid,' L=STOP "',TRIM(log_event%place),'" sum=', & |
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192 | log_event%sum,' mtime=',log_event%mtime |
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193 | CALL message( 'cpu_log', 'PA0178', 0, 1, -1, 6, 0 ) |
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194 | first = .FALSE. |
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195 | ENDIF |
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196 | log_event%vector = log_event%vector + log_event%mtimevec |
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197 | log_event%counts = log_event%counts + 1 |
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198 | log_event%isum = 0.0 |
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199 | log_event%ivect = 0.0 |
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200 | ELSE |
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201 | message_string = 'unknown modus of time measurement: ' // TRIM( modus ) |
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202 | CALL message( 'cpu_log', 'PA0179', 0, 1, -1, 6, 0 ) |
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203 | ENDIF |
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204 | |
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205 | END SUBROUTINE cpu_log |
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206 | |
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207 | |
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208 | SUBROUTINE cpu_statistics |
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209 | !------------------------------------------------------------------------------! |
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210 | ! Description: |
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211 | ! ------------ |
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212 | ! Analysis and output of the cpu-times measured. All PE results are collected |
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213 | ! on PE0 in order to calculate the mean cpu-time over all PEs and other |
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214 | ! statistics. The output is sorted according to the amount of cpu-time consumed |
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215 | ! and output on PE0. |
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216 | !------------------------------------------------------------------------------! |
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217 | |
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218 | IMPLICIT NONE |
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219 | |
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220 | INTEGER :: i, ii(1), iii, sender |
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221 | REAL :: average_cputime |
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222 | REAL, SAVE :: norm = 1.0 |
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223 | REAL, DIMENSION(:), ALLOCATABLE :: pe_max, pe_min, pe_rms, sum |
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224 | REAL, DIMENSION(:,:), ALLOCATABLE :: pe_log_points |
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225 | |
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226 | |
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227 | ! |
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228 | !-- Compute cpu-times in seconds |
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229 | log_point%mtime = log_point%mtime / norm |
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230 | log_point%sum = log_point%sum / norm |
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231 | log_point%vector = log_point%vector / norm |
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232 | WHERE ( log_point%counts /= 0 ) |
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233 | log_point%mean = log_point%sum / log_point%counts |
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234 | END WHERE |
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235 | |
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236 | |
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237 | ! |
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238 | !-- Collect cpu-times from all PEs and calculate statistics |
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239 | IF ( myid == 0 ) THEN |
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240 | ! |
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241 | !-- Allocate and initialize temporary arrays needed for statistics |
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242 | ALLOCATE( pe_max( SIZE( log_point ) ), pe_min( SIZE( log_point ) ), & |
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243 | pe_rms( SIZE( log_point ) ), & |
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244 | pe_log_points( SIZE( log_point ), 0:numprocs-1 ) ) |
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245 | pe_min = log_point%sum |
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246 | pe_max = log_point%sum ! need to be set in case of 1 PE |
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247 | pe_rms = 0.0 |
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248 | |
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249 | #if defined( __parallel ) |
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250 | ! |
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251 | !-- Receive data from all PEs |
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252 | DO i = 1, numprocs-1 |
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253 | CALL MPI_RECV( pe_max(1), SIZE( log_point ), MPI_REAL, & |
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254 | i, i, comm2d, status, ierr ) |
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255 | sender = status(MPI_SOURCE) |
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256 | pe_log_points(:,sender) = pe_max |
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257 | ENDDO |
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258 | pe_log_points(:,0) = log_point%sum ! Results from PE0 |
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259 | ! |
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260 | !-- Calculate mean of all PEs, store it on log_point%sum |
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261 | !-- and find minimum and maximum |
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262 | DO iii = 1, SIZE( log_point ) |
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263 | DO i = 1, numprocs-1 |
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264 | log_point(iii)%sum = log_point(iii)%sum + pe_log_points(iii,i) |
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265 | pe_min(iii) = MIN( pe_min(iii), pe_log_points(iii,i) ) |
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266 | pe_max(iii) = MAX( pe_max(iii), pe_log_points(iii,i) ) |
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267 | ENDDO |
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268 | log_point(iii)%sum = log_point(iii)%sum / numprocs |
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269 | ! |
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270 | !-- Calculate rms |
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271 | DO i = 0, numprocs-1 |
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272 | pe_rms(iii) = pe_rms(iii) + ( & |
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273 | pe_log_points(iii,i) - log_point(iii)%sum & |
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274 | )**2 |
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275 | ENDDO |
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276 | pe_rms(iii) = SQRT( pe_rms(iii) / numprocs ) |
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277 | ENDDO |
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278 | ELSE |
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279 | ! |
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280 | !-- Send data to PE0 (pe_max is used as temporary storage to send |
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281 | !-- the data in order to avoid sending the data type log) |
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282 | ALLOCATE( pe_max( SIZE( log_point ) ) ) |
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283 | pe_max = log_point%sum |
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284 | CALL MPI_SEND( pe_max(1), SIZE( log_point ), MPI_REAL, 0, myid, comm2d, & |
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285 | ierr ) |
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286 | #endif |
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287 | |
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288 | ENDIF |
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289 | |
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290 | ! |
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291 | !-- Write cpu-times |
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292 | IF ( myid == 0 ) THEN |
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293 | ! |
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294 | !-- Re-store sums |
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295 | ALLOCATE( sum( SIZE( log_point ) ) ) |
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296 | WHERE ( log_point%counts /= 0 ) |
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297 | sum = log_point%sum |
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298 | ELSEWHERE |
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299 | sum = -1.0 |
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300 | ENDWHERE |
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301 | |
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302 | ! |
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303 | !-- Get total time in order to calculate CPU-time per gridpoint and timestep |
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304 | IF ( nr_timesteps_this_run /= 0 ) THEN |
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305 | average_cputime = log_point(1)%sum / REAL( (nx+1) * (ny+1) * nz ) / & |
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306 | REAL( nr_timesteps_this_run ) * 1E6 ! in micro-sec |
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307 | ELSE |
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308 | average_cputime = -1.0 |
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309 | ENDIF |
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310 | |
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311 | ! |
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312 | !-- Write cpu-times sorted by size |
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313 | CALL check_open( 18 ) |
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314 | #if defined( __parallel ) |
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315 | WRITE ( 18, 100 ) TRIM( run_description_header ), & |
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316 | numprocs * threads_per_task, pdims(1), pdims(2), & |
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317 | threads_per_task, nx+1, ny+1, nz, nr_timesteps_this_run, & |
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318 | average_cputime |
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319 | |
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320 | IF ( num_acc_per_node /= 0 ) WRITE ( 18, 108 ) num_acc_per_node |
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321 | WRITE ( 18, 110 ) |
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322 | #else |
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323 | WRITE ( 18, 100 ) TRIM( run_description_header ), & |
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324 | numprocs * threads_per_task, 1, 1, & |
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325 | threads_per_task, nx+1, ny+1, nz, nr_timesteps_this_run, & |
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326 | average_cputime |
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327 | |
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328 | IF ( num_acc_per_node /= 0 ) WRITE ( 18, 109 ) num_acc_per_node |
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329 | WRITE ( 18, 110 ) |
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330 | #endif |
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331 | DO |
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332 | ii = MAXLOC( sum ) |
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333 | i = ii(1) |
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334 | IF ( sum(i) /= -1.0 ) THEN |
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335 | WRITE ( 18, 102 ) & |
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336 | log_point(i)%place, log_point(i)%sum, & |
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337 | log_point(i)%sum / log_point(1)%sum * 100.0, & |
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338 | log_point(i)%counts, pe_min(i), pe_max(i), pe_rms(i) |
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339 | sum(i) = -1.0 |
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340 | ELSE |
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341 | EXIT |
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342 | ENDIF |
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343 | ENDDO |
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344 | ENDIF |
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345 | |
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346 | |
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347 | ! |
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348 | !-- The same procedure again for the individual measurements. |
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349 | ! |
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350 | !-- Compute cpu-times in seconds |
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351 | log_point_s%mtime = log_point_s%mtime / norm |
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352 | log_point_s%sum = log_point_s%sum / norm |
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353 | log_point_s%vector = log_point_s%vector / norm |
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354 | WHERE ( log_point_s%counts /= 0 ) |
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355 | log_point_s%mean = log_point_s%sum / log_point_s%counts |
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356 | END WHERE |
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357 | |
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358 | ! |
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359 | !-- Collect cpu-times from all PEs and calculate statistics |
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360 | #if defined( __parallel ) |
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361 | ! |
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362 | !-- Set barrier in order to avoid that PE0 receives log_point_s-data |
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363 | !-- while still busy with receiving log_point-data (see above) |
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364 | CALL MPI_BARRIER( comm2d, ierr ) |
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365 | #endif |
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366 | IF ( myid == 0 ) THEN |
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367 | ! |
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368 | !-- Initialize temporary arrays needed for statistics |
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369 | pe_min = log_point_s%sum |
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370 | pe_max = log_point_s%sum ! need to be set in case of 1 PE |
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371 | pe_rms = 0.0 |
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372 | |
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373 | #if defined( __parallel ) |
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374 | ! |
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375 | !-- Receive data from all PEs |
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376 | DO i = 1, numprocs-1 |
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377 | CALL MPI_RECV( pe_max(1), SIZE( log_point ), MPI_REAL, & |
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378 | MPI_ANY_SOURCE, MPI_ANY_TAG, comm2d, status, ierr ) |
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379 | sender = status(MPI_SOURCE) |
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380 | pe_log_points(:,sender) = pe_max |
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381 | ENDDO |
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382 | pe_log_points(:,0) = log_point_s%sum ! Results from PE0 |
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383 | ! |
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384 | !-- Calculate mean of all PEs, store it on log_point_s%sum |
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385 | !-- and find minimum and maximum |
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386 | DO iii = 1, SIZE( log_point ) |
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387 | DO i = 1, numprocs-1 |
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388 | log_point_s(iii)%sum = log_point_s(iii)%sum + pe_log_points(iii,i) |
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389 | pe_min(iii) = MIN( pe_min(iii), pe_log_points(iii,i) ) |
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390 | pe_max(iii) = MAX( pe_max(iii), pe_log_points(iii,i) ) |
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391 | ENDDO |
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392 | log_point_s(iii)%sum = log_point_s(iii)%sum / numprocs |
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393 | ! |
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394 | !-- Calculate rms |
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395 | DO i = 0, numprocs-1 |
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396 | pe_rms(iii) = pe_rms(iii) + ( & |
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397 | pe_log_points(iii,i) - log_point_s(iii)%sum & |
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398 | )**2 |
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399 | ENDDO |
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400 | pe_rms(iii) = SQRT( pe_rms(iii) / numprocs ) |
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401 | ENDDO |
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402 | ELSE |
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403 | ! |
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404 | !-- Send data to PE0 (pe_max is used as temporary storage to send |
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405 | !-- the data in order to avoid sending the data type log) |
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406 | pe_max = log_point_s%sum |
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407 | CALL MPI_SEND( pe_max(1), SIZE( log_point ), MPI_REAL, 0, 0, comm2d, & |
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408 | ierr ) |
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409 | #endif |
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410 | |
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411 | ENDIF |
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412 | |
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413 | ! |
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414 | !-- Write cpu-times |
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415 | IF ( myid == 0 ) THEN |
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416 | ! |
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417 | !-- Re-store sums |
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418 | WHERE ( log_point_s%counts /= 0 ) |
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419 | sum = log_point_s%sum |
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420 | ELSEWHERE |
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421 | sum = -1.0 |
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422 | ENDWHERE |
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423 | |
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424 | ! |
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425 | !-- Write cpu-times sorted by size |
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426 | WRITE ( 18, 101 ) |
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427 | DO |
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428 | ii = MAXLOC( sum ) |
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429 | i = ii(1) |
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430 | IF ( sum(i) /= -1.0 ) THEN |
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431 | WRITE ( 18, 102 ) & |
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432 | log_point_s(i)%place, log_point_s(i)%sum, & |
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433 | log_point_s(i)%sum / log_point(1)%sum * 100.0, & |
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434 | log_point_s(i)%counts, pe_min(i), pe_max(i), pe_rms(i) |
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435 | sum(i) = -1.0 |
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436 | ELSE |
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437 | EXIT |
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438 | ENDIF |
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439 | ENDDO |
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440 | |
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441 | ! |
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442 | !-- Output of handling of MPI operations |
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443 | IF ( collective_wait ) THEN |
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444 | WRITE ( 18, 103 ) |
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445 | ELSE |
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446 | WRITE ( 18, 104 ) |
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447 | ENDIF |
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448 | IF ( cpu_log_barrierwait ) WRITE ( 18, 111 ) |
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449 | IF ( synchronous_exchange ) THEN |
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450 | WRITE ( 18, 105 ) |
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451 | ELSE |
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452 | WRITE ( 18, 106 ) |
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453 | ENDIF |
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454 | |
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455 | ! |
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456 | !-- Empty lines in order to create a gap to the results of the model |
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457 | !-- continuation runs |
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458 | WRITE ( 18, 107 ) |
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459 | |
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460 | ! |
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461 | !-- Unit 18 is not needed anymore |
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462 | CALL close_file( 18 ) |
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463 | |
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464 | ENDIF |
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465 | |
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466 | |
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467 | 100 FORMAT (A/11('-')//'CPU measures for ',I5,' PEs (',I5,'(x) * ',I5,'(y', & |
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468 | &') tasks *',I5,' threads):'// & |
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469 | 'gridpoints (x/y/z): ',20X,I5,' * ',I5,' * ',I5/ & |
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470 | 'nr of timesteps: ',22X,I6/ & |
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471 | 'cpu time per grid point and timestep: ',5X,F8.5,' * 10**-6 s') |
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472 | |
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473 | 101 FORMAT (/'special measures:'/ & |
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474 | &'-----------------------------------------------------------', & |
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475 | &'--------------------') |
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476 | |
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477 | 102 FORMAT (A20,2X,F9.3,2X,F7.2,1X,I7,3(1X,F9.3)) |
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478 | 103 FORMAT (/'Barriers are set in front of collective operations') |
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479 | 104 FORMAT (/'No barriers are set in front of collective operations') |
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480 | 105 FORMAT (/'Exchange of ghostpoints via MPI_SENDRCV') |
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481 | 106 FORMAT (/'Exchange of ghostpoints via MPI_ISEND/MPI_IRECV') |
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482 | 107 FORMAT (//) |
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483 | 108 FORMAT ('Accelerator boards per node: ',14X,I2) |
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484 | 109 FORMAT ('Accelerator boards: ',23X,I2) |
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485 | 110 FORMAT ('----------------------------------------------------------', & |
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486 | &'------------'//& |
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487 | &'place: mean counts min ', & |
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488 | &' max rms'/ & |
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489 | &' sec. % sec. ', & |
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490 | &' sec. sec.'/ & |
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491 | &'-----------------------------------------------------------', & |
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492 | &'-------------------') |
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493 | 111 FORMAT (/'Barriers are set at beginning (start/continue) of measurements') |
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494 | |
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495 | END SUBROUTINE cpu_statistics |
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496 | |
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497 | END MODULE cpulog |
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