1 | MODULE timeloop_gcm_mod |
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2 | USE icosa |
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3 | USE disvert_mod |
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4 | USE trace |
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5 | USE omp_para |
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6 | USE euler_scheme_mod |
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7 | USE explicit_scheme_mod |
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8 | USE hevi_scheme_mod |
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9 | IMPLICIT NONE |
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10 | PRIVATE |
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11 | |
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12 | INTEGER, PARAMETER :: itau_sync=10 |
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13 | TYPE(t_message),SAVE :: req_ps0, req_mass0, req_theta_rhodz0, req_u0, req_q0 |
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14 | |
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15 | PUBLIC :: init_timeloop, timeloop |
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16 | |
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17 | CONTAINS |
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18 | |
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19 | SUBROUTINE init_timeloop |
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20 | USE dissip_gcm_mod |
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21 | USE observable_mod |
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22 | USE caldyn_mod |
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23 | USE etat0_mod |
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24 | USE guided_mod |
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25 | USE advect_tracer_mod |
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26 | USE check_conserve_mod |
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27 | USE output_field_mod |
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28 | USE theta2theta_rhodz_mod |
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29 | USE sponge_mod |
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30 | |
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31 | CHARACTER(len=255) :: def |
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32 | |
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33 | IF (xios_output) itau_out=1 |
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34 | IF (.NOT. enable_io) itau_out=HUGE(itau_out) |
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35 | |
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36 | def='RK2.5' |
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37 | CALL getin('time_scheme',def) |
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38 | SELECT CASE (TRIM(def)) |
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39 | CASE('euler') |
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40 | scheme_family=explicit |
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41 | scheme=euler |
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42 | nb_stage=1 |
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43 | CASE ('runge_kutta') |
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44 | scheme_family=explicit |
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45 | scheme=rk4 |
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46 | nb_stage=4 |
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47 | CASE ('RK2.5') |
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48 | scheme_family=explicit |
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49 | scheme=rk25 |
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50 | nb_stage=5 |
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51 | CASE ('leapfrog_matsuno') |
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52 | scheme_family=explicit |
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53 | scheme=mlf |
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54 | matsuno_period=5 |
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55 | CALL getin('matsuno_period',matsuno_period) |
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56 | nb_stage=matsuno_period+1 |
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57 | CASE('ARK2.3') |
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58 | scheme_family=hevi |
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59 | scheme=ark23 |
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60 | nb_stage=3 |
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61 | CALL set_coefs_ark23(dt) |
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62 | CASE('ARK3.3') |
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63 | scheme_family=hevi |
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64 | scheme=ark33 |
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65 | nb_stage=3 |
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66 | CALL set_coefs_ark33(dt) |
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67 | CASE ('none') |
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68 | nb_stage=0 |
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69 | CASE default |
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70 | PRINT*,'Bad selector for variable scheme : <', TRIM(def), & |
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71 | ' > options are <euler>, <runge_kutta>, <leapfrog_matsuno>,<RK2.5>,<ARK2.3>' |
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72 | STOP |
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73 | END SELECT |
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74 | |
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75 | ! Time-independant orography |
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76 | CALL allocate_field(f_phis,field_t,type_real,name='phis') |
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77 | ! Model state at current time step |
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78 | CALL allocate_field(f_geopot,field_t,type_real,llm+1,name='geopot') |
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79 | CALL allocate_field(f_ps,field_t,type_real, name='ps') |
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80 | CALL allocate_field(f_mass,field_t,type_real,llm,name='mass') |
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81 | CALL allocate_field(f_rhodz,field_t,type_real,llm,name='rhodz') |
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82 | CALL allocate_field(f_theta_rhodz,field_t,type_real,llm,name='theta_rhodz') |
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83 | CALL allocate_field(f_u,field_u,type_real,llm,name='u') |
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84 | CALL allocate_field(f_q,field_t,type_real,llm,nqtot,'q') |
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85 | ! Mass fluxes |
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86 | CALL allocate_field(f_hflux,field_u,type_real,llm) ! instantaneous mass fluxes |
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87 | CALL allocate_field(f_hfluxt,field_u,type_real,llm) ! mass "fluxes" accumulated in time |
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88 | CALL allocate_field(f_wflux,field_t,type_real,llm+1) ! vertical mass fluxes |
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89 | CALL allocate_field(f_wfluxt,field_t,type_real,llm+1,name='wfluxt') |
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90 | |
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91 | SELECT CASE(scheme_family) |
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92 | CASE(explicit) |
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93 | ! Trends |
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94 | CALL allocate_field(f_dps,field_t,type_real,name='dps') |
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95 | CALL allocate_field(f_dmass,field_t,type_real,llm, name='dmass') |
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96 | CALL allocate_field(f_dtheta_rhodz,field_t,type_real,llm,name='dtheta_rhodz') |
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97 | CALL allocate_field(f_du,field_u,type_real,llm,name='du') |
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98 | ! Model state at previous time step (RK/MLF) |
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99 | CALL allocate_field(f_psm1,field_t,type_real,name='psm1') |
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100 | CALL allocate_field(f_massm1,field_t,type_real,llm, name='massm1') |
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101 | CALL allocate_field(f_theta_rhodzm1,field_t,type_real,llm,name='theta_rhodzm1') |
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102 | CALL allocate_field(f_um1,field_u,type_real,llm,name='um1') |
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103 | CASE(hevi) |
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104 | ! Trends |
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105 | CALL allocate_fields(nb_stage,f_dps_slow, field_t,type_real,name='dps_slow') |
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106 | CALL allocate_fields(nb_stage,f_dmass_slow, field_t,type_real,llm, name='dmass_slow') |
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107 | CALL allocate_fields(nb_stage,f_dtheta_rhodz_slow, field_t,type_real,llm,name='dtheta_rhodz_fast') |
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108 | CALL allocate_fields(nb_stage,f_du_slow, field_u,type_real,llm,name='du_slow') |
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109 | CALL allocate_fields(nb_stage,f_du_fast, field_u,type_real,llm,name='du_fast') |
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110 | f_dps => f_dps_slow(:,1) |
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111 | f_du => f_du_slow(:,1) |
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112 | f_dtheta_rhodz => f_dtheta_rhodz_slow(:,1) |
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113 | END SELECT |
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114 | |
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115 | SELECT CASE(scheme) |
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116 | CASE(mlf) |
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117 | ! Model state 2 time steps ago (MLF) |
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118 | CALL allocate_field(f_psm2,field_t,type_real) |
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119 | CALL allocate_field(f_massm2,field_t,type_real,llm) |
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120 | CALL allocate_field(f_theta_rhodzm2,field_t,type_real,llm) |
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121 | CALL allocate_field(f_um2,field_u,type_real,llm) |
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122 | END SELECT |
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123 | |
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124 | CALL init_theta2theta_rhodz |
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125 | CALL init_dissip |
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126 | CALL init_sponge |
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127 | CALL init_observable |
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128 | CALL init_caldyn |
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129 | CALL init_guided |
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130 | CALL init_advect_tracer |
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131 | CALL init_check_conserve |
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132 | |
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133 | CALL etat0(f_ps,f_mass,f_phis,f_theta_rhodz,f_u, f_q) |
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134 | |
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135 | CALL transfert_request(f_phis,req_i0) |
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136 | CALL transfert_request(f_phis,req_i1) |
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137 | CALL writefield("phis",f_phis,once=.TRUE.) |
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138 | |
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139 | CALL init_message(f_ps,req_i0,req_ps0) |
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140 | CALL init_message(f_mass,req_i0,req_mass0) |
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141 | CALL init_message(f_theta_rhodz,req_i0,req_theta_rhodz0) |
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142 | CALL init_message(f_u,req_e0_vect,req_u0) |
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143 | CALL init_message(f_q,req_i0,req_q0) |
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144 | |
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145 | END SUBROUTINE init_timeloop |
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146 | |
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147 | SUBROUTINE timeloop |
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148 | USE dissip_gcm_mod |
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149 | USE sponge_mod |
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150 | USE observable_mod |
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151 | USE etat0_mod |
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152 | USE guided_mod |
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153 | USE caldyn_mod |
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154 | USE advect_tracer_mod |
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155 | USE physics_mod |
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156 | USE mpipara |
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157 | USE transfert_mod |
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158 | USE check_conserve_mod |
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159 | USE xios_mod |
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160 | USE output_field_mod |
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161 | USE write_etat0_mod |
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162 | USE checksum_mod |
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163 | USE explicit_scheme_mod |
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164 | USE hevi_scheme_mod |
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165 | REAL(rstd),POINTER :: rhodz(:,:), mass(:,:), ps(:) |
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166 | |
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167 | INTEGER :: ind |
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168 | INTEGER :: it,i,j,l,n, stage |
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169 | LOGICAL :: fluxt_zero(ndomain) ! set to .TRUE. to start accumulating fluxes in time |
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170 | LOGICAL, PARAMETER :: check_rhodz=.FALSE. |
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171 | INTEGER :: start_clock, stop_clock, rate_clock |
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172 | LOGICAL,SAVE :: first_physic=.TRUE. |
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173 | !$OMP THREADPRIVATE(first_physic) |
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174 | |
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175 | CALL switch_omp_distrib_level |
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176 | CALL caldyn_BC(f_phis, f_geopot, f_wflux) ! set constant values in first/last interfaces |
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177 | |
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178 | !$OMP BARRIER |
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179 | DO ind=1,ndomain |
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180 | IF (.NOT. assigned_domain(ind)) CYCLE |
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181 | CALL swap_dimensions(ind) |
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182 | CALL swap_geometry(ind) |
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183 | rhodz=f_rhodz(ind); mass=f_mass(ind); ps=f_ps(ind) |
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184 | IF(caldyn_eta==eta_mass) THEN |
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185 | CALL compute_rhodz(.TRUE., ps, rhodz) ! save rhodz for transport scheme before dynamics update ps |
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186 | ELSE |
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187 | DO l=ll_begin,ll_end |
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188 | rhodz(:,l)=mass(:,l) |
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189 | ENDDO |
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190 | END IF |
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191 | END DO |
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192 | !$OMP BARRIER |
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193 | fluxt_zero=.TRUE. |
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194 | |
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195 | !$OMP MASTER |
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196 | CALL SYSTEM_CLOCK(start_clock) |
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197 | CALL SYSTEM_CLOCK(count_rate=rate_clock) |
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198 | !$OMP END MASTER |
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199 | |
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200 | CALL check_conserve(f_ps,f_dps,f_u,f_theta_rhodz,f_phis,itau0) |
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201 | |
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202 | CALL trace_on |
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203 | |
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204 | DO it=itau0+1,itau0+itaumax |
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205 | |
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206 | IF (is_master) CALL print_iteration(it, itau0, itaumax, start_clock, rate_clock) |
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207 | IF (xios_output) THEN |
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208 | CALL xios_update_calendar(it) |
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209 | ELSE |
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210 | CALL update_time_counter(dt*it) |
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211 | END IF |
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212 | |
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213 | IF (it==itau0+1 .OR. MOD(it,itau_sync)==0) THEN |
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214 | CALL send_message(f_ps,req_ps0) |
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215 | CALL wait_message(req_ps0) |
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216 | CALL send_message(f_mass,req_mass0) |
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217 | CALL wait_message(req_mass0) |
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218 | CALL send_message(f_theta_rhodz,req_theta_rhodz0) |
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219 | CALL wait_message(req_theta_rhodz0) |
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220 | CALL send_message(f_u,req_u0) |
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221 | CALL wait_message(req_u0) |
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222 | CALL send_message(f_q,req_q0) |
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223 | CALL wait_message(req_q0) |
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224 | ENDIF |
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225 | |
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226 | IF (mod(it,itau_out)==0 ) THEN |
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227 | CALL transfert_request(f_u,req_e1_vect) |
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228 | CALL write_output_fields_basic(f_ps, f_u, f_q) |
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229 | ENDIF |
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230 | |
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231 | CALL guided(it*dt,f_ps,f_theta_rhodz,f_u,f_q) |
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232 | |
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233 | SELECT CASE(scheme_family) |
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234 | CASE(explicit) |
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235 | CALL explicit_scheme(it, fluxt_zero) |
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236 | CASE(hevi) |
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237 | CALL HEVI_scheme(it, fluxt_zero) |
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238 | END SELECT |
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239 | |
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240 | IF (MOD(it,itau_dissip)==0) THEN |
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241 | |
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242 | IF(caldyn_eta==eta_mass) THEN |
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243 | !ym flush ps |
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244 | !$OMP BARRIER |
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245 | DO ind=1,ndomain |
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246 | IF (.NOT. assigned_domain(ind)) CYCLE |
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247 | CALL swap_dimensions(ind) |
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248 | CALL swap_geometry(ind) |
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249 | mass=f_mass(ind); ps=f_ps(ind); |
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250 | CALL compute_rhodz(.TRUE., ps, mass) |
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251 | END DO |
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252 | ENDIF |
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253 | |
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254 | CALL check_conserve_detailed(it, AAM_dyn, & |
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255 | f_ps,f_dps,f_u,f_theta_rhodz,f_phis) |
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256 | |
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257 | CALL dissip(f_u,f_du,f_mass,f_phis, f_theta_rhodz,f_dtheta_rhodz) |
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258 | |
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259 | CALL euler_scheme(.FALSE.) ! update only u, theta |
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260 | IF (iflag_sponge > 0) THEN |
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261 | CALL sponge(f_u,f_du,f_theta_rhodz,f_dtheta_rhodz) |
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262 | CALL euler_scheme(.FALSE.) ! update only u, theta |
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263 | END IF |
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264 | |
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265 | CALL check_conserve_detailed(it, AAM_dissip, & |
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266 | f_ps,f_dps,f_u,f_theta_rhodz,f_phis) |
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267 | END IF |
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268 | |
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269 | IF(MOD(it,itau_adv)==0) THEN |
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270 | CALL advect_tracer(f_hfluxt,f_wfluxt,f_u, f_q,f_rhodz) ! update q and rhodz after RK step |
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271 | fluxt_zero=.TRUE. |
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272 | ! FIXME : check that rhodz is consistent with ps |
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273 | IF (check_rhodz) THEN |
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274 | DO ind=1,ndomain |
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275 | IF (.NOT. assigned_domain(ind)) CYCLE |
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276 | CALL swap_dimensions(ind) |
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277 | CALL swap_geometry(ind) |
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278 | rhodz=f_rhodz(ind); ps=f_ps(ind); |
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279 | CALL compute_rhodz(.FALSE., ps, rhodz) |
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280 | END DO |
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281 | ENDIF |
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282 | END IF |
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283 | |
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284 | IF (MOD(it,itau_physics)==0) THEN |
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285 | CALL check_conserve_detailed(it, AAM_dyn, & |
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286 | f_ps,f_dps,f_u,f_theta_rhodz,f_phis) |
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287 | CALL physics(it,f_phis, f_ps, f_theta_rhodz, f_u, f_wflux, f_q) |
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288 | CALL check_conserve_detailed(it, AAM_phys, & |
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289 | f_ps,f_dps,f_u,f_theta_rhodz,f_phis) |
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290 | !$OMP MASTER |
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291 | IF (first_physic) CALL SYSTEM_CLOCK(start_clock) |
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292 | !$OMP END MASTER |
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293 | first_physic=.FALSE. |
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294 | END IF |
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295 | |
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296 | IF (MOD(it,itau_check_conserv)==0) THEN |
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297 | CALL check_conserve_detailed(it, AAM_dyn, & |
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298 | f_ps,f_dps,f_u,f_theta_rhodz,f_phis) |
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299 | CALL check_conserve(f_ps,f_dps,f_u,f_theta_rhodz,f_phis,it) |
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300 | ENDIF |
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301 | END DO |
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302 | |
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303 | CALL write_etat0(itau0+itaumax,f_ps, f_phis,f_theta_rhodz,f_u,f_q) |
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304 | |
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305 | CALL check_conserve_detailed(it, AAM_dyn, & |
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306 | f_ps,f_dps,f_u,f_theta_rhodz,f_phis) |
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307 | CALL check_conserve(f_ps,f_dps,f_u,f_theta_rhodz,f_phis,it) |
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308 | |
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309 | !$OMP MASTER |
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310 | CALL SYSTEM_CLOCK(stop_clock) |
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311 | |
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312 | IF (mpi_rank==0) THEN |
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313 | PRINT *,"Time elapsed : ",(stop_clock-start_clock)*1./rate_clock |
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314 | ENDIF |
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315 | !$OMP END MASTER |
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316 | |
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317 | ! CONTAINS |
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318 | END SUBROUTINE timeloop |
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319 | |
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320 | SUBROUTINE print_iteration(it,itau0,itaumax,start_clock,rate_clock) |
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321 | INTEGER :: it, itau0, itaumax, start_clock, stop_clock, rate_clock, throughput |
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322 | REAL :: per_step,total, elapsed |
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323 | WRITE(*,'(A,I7,A,F14.1)') "It No :",it," t :",dt*it |
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324 | IF(MOD(it,10)==0) THEN |
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325 | CALL SYSTEM_CLOCK(stop_clock) |
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326 | elapsed = (stop_clock-start_clock)*1./rate_clock |
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327 | per_step = elapsed/(it-itau0) |
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328 | throughput = dt/per_step |
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329 | total = per_step*(itaumax-itau0) |
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330 | WRITE(*,'(A,I5,A,F6.2,A,I6)') 'Time spent (s):',INT(elapsed), & |
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331 | ' -- ms/step : ', 1000*per_step, & |
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332 | ' -- Throughput :', throughput |
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333 | WRITE(*,'(A,I5,A,I5)') 'Whole job (min) :', INT(total/60.), & |
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334 | ' -- Completion in (min) : ', INT((total-elapsed)/60.) |
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335 | END IF |
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336 | END SUBROUTINE print_iteration |
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337 | |
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338 | END MODULE timeloop_gcm_mod |
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