1 | SUBROUTINE check_for_restart |
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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 | ! modifications to terminate coupled runs |
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7 | ! |
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8 | ! |
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9 | ! Former revisions: |
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10 | ! ----------------- |
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11 | ! $Id: check_for_restart.f90 108 2007-08-24 15:10:38Z letzel $ |
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12 | ! RCS Log replace by Id keyword, revision history cleaned up |
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13 | ! |
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14 | ! Revision 1.11 2007/02/11 12:55:13 raasch |
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15 | ! Informative output to the job protocol |
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16 | ! |
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17 | ! Revision 1.1 1998/03/18 20:06:51 raasch |
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18 | ! Initial revision |
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19 | ! |
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20 | ! |
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21 | ! Description: |
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22 | ! ------------ |
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23 | ! Set stop flag, if restart is neccessary because of expiring cpu-time or |
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24 | ! if it is forced by user |
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25 | !------------------------------------------------------------------------------! |
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26 | |
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27 | USE pegrid |
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28 | USE control_parameters |
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29 | |
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30 | IMPLICIT NONE |
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31 | |
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32 | |
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33 | LOGICAL :: terminate_run_l |
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34 | REAL :: remaining_time |
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35 | |
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36 | |
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37 | ! |
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38 | !-- Check remaining CPU-time |
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39 | CALL local_tremain( remaining_time ) |
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40 | |
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41 | ! |
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42 | !-- If necessary set a flag to stop the model run |
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43 | terminate_run_l = .FALSE. |
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44 | IF ( remaining_time <= termination_time_needed .AND. & |
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45 | write_binary(1:4) == 'true' ) THEN |
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46 | |
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47 | terminate_run_l = .TRUE. |
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48 | ENDIF |
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49 | |
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50 | #if defined( __parallel ) |
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51 | ! |
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52 | !-- Make a logical OR for all processes. Stop the model run if at least |
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53 | !-- one processor has reached the time limit. |
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54 | CALL MPI_ALLREDUCE( terminate_run_l, terminate_run, 1, MPI_LOGICAL, & |
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55 | MPI_LOR, comm2d, ierr ) |
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56 | #else |
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57 | terminate_run = terminate_run_l |
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58 | #endif |
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59 | |
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60 | ! |
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61 | !-- Output that job will be terminated |
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62 | IF ( terminate_run .AND. myid == 0 ) THEN |
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63 | PRINT*, '*** WARNING: run will be terminated because it is running out of job cpu', & |
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64 | 'limit' |
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65 | PRINT*, ' remaining time: ', remaining_time, ' s' |
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66 | PRINT*, ' termination time needed:', termination_time_needed, ' s' |
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67 | ENDIF |
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68 | |
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69 | ! |
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70 | !-- In case of coupled runs inform the remote model of the termination |
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71 | !-- and its reason, provided the remote model has not already been |
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72 | !-- informed of another termination reason (terminate_coupled > 0) before, |
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73 | !-- or vice versa (terminate_coupled_remote > 0). |
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74 | IF ( terminate_run .AND. TRIM( coupling_mode ) /= 'uncoupled' & |
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75 | .AND. terminate_coupled == 0 & |
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76 | .AND. terminate_coupled_remote == 0 ) THEN |
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77 | terminate_coupled = 3 |
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78 | CALL MPI_SENDRECV( & |
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79 | terminate_coupled, 1, MPI_INTEGER, myid, 0, & |
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80 | terminate_coupled_remote, 1, MPI_INTEGER, myid, 0, & |
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81 | comm_inter, status, ierr ) |
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82 | ENDIF |
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83 | |
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84 | ! |
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85 | !-- Set the stop flag also, if restart is forced by user |
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86 | IF ( time_restart /= 9999999.9 .AND. time_restart < simulated_time ) & |
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87 | THEN |
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88 | ! |
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89 | !-- Restart is not neccessary, if the end time of the run (given by |
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90 | !-- the user) has been reached |
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91 | IF ( simulated_time < end_time ) THEN |
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92 | terminate_run = .TRUE. |
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93 | ! |
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94 | !-- Increment restart time, if forced by user, otherwise set restart |
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95 | !-- time to default (no user restart) |
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96 | IF ( dt_restart /= 9999999.9 ) THEN |
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97 | time_restart = time_restart + dt_restart |
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98 | ELSE |
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99 | time_restart = 9999999.9 |
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100 | ENDIF |
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101 | |
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102 | IF ( myid == 0 ) THEN |
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103 | PRINT*, '*** INFORMATIVE: run will be terminated due to user settings of' |
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104 | PRINT*, ' restart_time / dt_restart' |
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105 | PRINT*, ' new restart time is: ', time_restart, ' s' |
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106 | ENDIF |
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107 | ! |
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108 | !-- In case of coupled runs inform the remote model of the termination |
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109 | !-- and its reason, provided the remote model has not already been |
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110 | !-- informed of another termination reason (terminate_coupled > 0) before, |
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111 | !-- or vice versa (terminate_coupled_remote > 0). |
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112 | IF ( coupling_mode /= 'uncoupled' .AND. terminate_coupled == 0 & |
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113 | .AND. terminate_coupled_remote == 0) THEN |
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114 | IF ( dt_restart /= 9999999.9 ) THEN |
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115 | terminate_coupled = 4 |
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116 | ELSE |
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117 | terminate_coupled = 5 |
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118 | ENDIF |
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119 | CALL MPI_SENDRECV( & |
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120 | terminate_coupled, 1, MPI_INTEGER, myid, 0, & |
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121 | terminate_coupled_remote, 1, MPI_INTEGER, myid, 0, & |
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122 | comm_inter, status, ierr ) |
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123 | ENDIF |
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124 | ELSE |
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125 | time_restart = 9999999.9 |
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126 | ENDIF |
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127 | ENDIF |
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128 | |
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129 | ! |
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130 | !-- If the run is stopped, set a flag file which is necessary to initiate |
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131 | !-- the start of a continuation run |
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132 | IF ( terminate_run .AND. myid == 0 ) THEN |
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133 | |
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134 | OPEN ( 90, FILE='CONTINUE_RUN', FORM='FORMATTED' ) |
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135 | WRITE ( 90, '(A)' ) TRIM( run_description_header ) |
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136 | CLOSE ( 90 ) |
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137 | |
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138 | ENDIF |
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139 | |
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140 | |
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141 | END SUBROUTINE check_for_restart |
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