1 | MODULE pmc_child |
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2 | |
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3 | !--------------------------------------------------------------------------------------------------! |
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4 | ! This file is part of the PALM model system. |
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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 of the GNU General |
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7 | ! Public License as published by the Free Software Foundation, either version 3 of the License, or |
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8 | ! (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 WARRANTY; without even the |
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11 | ! implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
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12 | ! 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 PALM. If not, see |
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15 | ! <http://www.gnu.org/licenses/>. |
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16 | ! |
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17 | ! Copyright 1997-2020 Leibniz Universitaet Hannover |
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18 | !--------------------------------------------------------------------------------------------------! |
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19 | ! |
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20 | ! |
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21 | ! Current revisions: |
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22 | ! ----------------- |
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23 | ! |
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24 | ! |
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25 | ! Former revisions: |
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26 | ! ----------------- |
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27 | ! $Id: pmc_child_mod.f90 4649 2020-08-25 12:11:17Z pavelkrc $ |
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28 | ! File re-formatted to follow the PALM coding standard |
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29 | ! |
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30 | ! |
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31 | ! 4629 2020-07-29 09:37:56Z raasch |
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32 | ! Support for MPI Fortran77 interface (mpif.h) removed |
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33 | ! |
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34 | ! 4360 2020-01-07 11:25:50Z suehring |
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35 | ! |
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36 | ! |
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37 | ! 4182 2019-08-22 15:20:23Z scharf |
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38 | ! Corrected "Former revisions" section |
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39 | ! |
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40 | ! 3964 2019-05-09 09:48:32Z suehring |
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41 | ! Remove unused variable |
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42 | ! |
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43 | ! 3963 2019-05-08 20:09:11Z suehring |
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44 | ! Bugfixes in initial settings of child and parent communication patterns. |
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45 | ! |
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46 | ! 3945 2019-05-02 11:29:27Z raasch |
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47 | ! |
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48 | ! 3932 2019-04-24 17:31:34Z suehring |
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49 | ! Typo removed |
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50 | ! |
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51 | ! 2019-02-25 15:31:42Z raasch |
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52 | ! Statement added to avoid compiler warning |
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53 | ! |
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54 | ! 3655 2019-01-07 16:51:22Z knoop |
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55 | ! Explicit kind settings |
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56 | ! |
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57 | ! 1762 2016-02-25 12:31:13Z hellstea |
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58 | ! Initial revision by K. Ketelsen |
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59 | ! |
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60 | !--------------------------------------------------------------------------------------------------! |
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61 | ! Description: |
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62 | ! ------------ |
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63 | !> Child part of Palm Model Coupler |
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64 | !--------------------------------------------------------------------------------------------------! |
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65 | |
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66 | #if defined( __parallel ) |
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67 | |
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68 | USE, INTRINSIC :: iso_c_binding |
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69 | |
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70 | USE MPI |
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71 | |
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72 | USE kinds |
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73 | |
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74 | USE pmc_general, & |
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75 | ONLY: arraydef, & |
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76 | childdef, & |
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77 | da_desclen, & |
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78 | da_namedef, & |
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79 | da_namelen, & |
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80 | pedef, & |
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81 | pmc_da_name_err, & |
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82 | pmc_g_setname, & |
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83 | pmc_max_array, & |
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84 | pmc_status_ok |
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85 | |
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86 | USE pmc_handle_communicator, & |
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87 | ONLY: m_model_comm, & |
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88 | m_model_npes, & |
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89 | m_model_rank, & |
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90 | m_to_parent_comm |
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91 | |
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92 | USE pmc_mpi_wrapper, & |
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93 | ONLY: pmc_alloc_mem, & |
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94 | pmc_bcast, & |
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95 | pmc_inter_bcast, & |
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96 | pmc_time |
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97 | |
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98 | IMPLICIT NONE |
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99 | |
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100 | |
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101 | PRIVATE |
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102 | SAVE |
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103 | |
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104 | INTEGER(iwp) :: myindex = 0 !< counter and unique number for data arrays |
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105 | INTEGER(iwp) :: next_array_in_list = 0 !< |
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106 | |
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107 | TYPE(childdef), PUBLIC :: me !< |
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108 | |
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109 | |
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110 | INTERFACE pmc_childinit |
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111 | MODULE PROCEDURE pmc_childinit |
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112 | END INTERFACE pmc_childinit |
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113 | |
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114 | INTERFACE pmc_c_clear_next_array_list |
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115 | MODULE PROCEDURE pmc_c_clear_next_array_list |
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116 | END INTERFACE pmc_c_clear_next_array_list |
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117 | |
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118 | INTERFACE pmc_c_getbuffer |
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119 | MODULE PROCEDURE pmc_c_getbuffer |
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120 | END INTERFACE pmc_c_getbuffer |
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121 | |
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122 | INTERFACE pmc_c_getnextarray |
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123 | MODULE PROCEDURE pmc_c_getnextarray |
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124 | END INTERFACE pmc_c_getnextarray |
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125 | |
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126 | INTERFACE pmc_c_get_2d_index_list |
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127 | MODULE PROCEDURE pmc_c_get_2d_index_list |
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128 | END INTERFACE pmc_c_get_2d_index_list |
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129 | |
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130 | INTERFACE pmc_c_putbuffer |
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131 | MODULE PROCEDURE pmc_c_putbuffer |
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132 | END INTERFACE pmc_c_putbuffer |
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133 | |
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134 | INTERFACE pmc_c_setind_and_allocmem |
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135 | MODULE PROCEDURE pmc_c_setind_and_allocmem |
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136 | END INTERFACE pmc_c_setind_and_allocmem |
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137 | |
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138 | INTERFACE pmc_c_set_dataarray |
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139 | MODULE PROCEDURE pmc_c_set_dataarray_2d |
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140 | MODULE PROCEDURE pmc_c_set_dataarray_3d |
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141 | MODULE PROCEDURE pmc_c_set_dataarray_ip2d |
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142 | END INTERFACE pmc_c_set_dataarray |
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143 | |
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144 | INTERFACE pmc_set_dataarray_name |
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145 | MODULE PROCEDURE pmc_set_dataarray_name |
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146 | MODULE PROCEDURE pmc_set_dataarray_name_lastentry |
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147 | END INTERFACE pmc_set_dataarray_name |
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148 | |
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149 | |
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150 | PUBLIC pmc_childinit, & |
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151 | pmc_c_clear_next_array_list, & |
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152 | pmc_c_getbuffer, & |
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153 | pmc_c_getnextarray, & |
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154 | pmc_c_putbuffer, & |
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155 | pmc_c_setind_and_allocmem, & |
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156 | pmc_c_set_dataarray, & |
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157 | pmc_set_dataarray_name, & |
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158 | pmc_c_get_2d_index_list |
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159 | |
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160 | CONTAINS |
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161 | |
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162 | |
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163 | !--------------------------------------------------------------------------------------------------! |
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164 | ! Description: |
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165 | ! ------------ |
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166 | !> @Todo: Missing subroutine description. |
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167 | !--------------------------------------------------------------------------------------------------! |
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168 | SUBROUTINE pmc_childinit |
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169 | |
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170 | IMPLICIT NONE |
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171 | |
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172 | INTEGER(iwp) :: i !< |
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173 | INTEGER(iwp) :: istat !< |
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174 | |
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175 | ! |
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176 | !-- Get / define the MPI environment. |
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177 | me%model_comm = m_model_comm |
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178 | me%inter_comm = m_to_parent_comm |
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179 | |
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180 | CALL MPI_COMM_RANK( me%model_comm, me%model_rank, istat ) |
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181 | CALL MPI_COMM_SIZE( me%model_comm, me%model_npes, istat ) |
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182 | CALL MPI_COMM_REMOTE_SIZE( me%inter_comm, me%inter_npes, istat ) |
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183 | ! |
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184 | !-- Intra-communicator is used for MPI_GET. |
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185 | CALL MPI_INTERCOMM_MERGE( me%inter_comm, .TRUE., me%intra_comm, istat ) |
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186 | CALL MPI_COMM_RANK( me%intra_comm, me%intra_rank, istat ) |
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187 | |
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188 | ALLOCATE( me%pes(me%inter_npes) ) |
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189 | ! |
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190 | !-- Allocate an array of type arraydef for all parent processes to store information of then |
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191 | !-- transfer array. |
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192 | DO i = 1, me%inter_npes |
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193 | ALLOCATE( me%pes(i)%array_list(pmc_max_array) ) |
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194 | ENDDO |
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195 | |
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196 | END SUBROUTINE pmc_childinit |
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197 | |
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198 | |
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199 | !--------------------------------------------------------------------------------------------------! |
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200 | ! Description: |
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201 | ! ------------ |
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202 | !> @Todo: Missing subroutine description. |
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203 | !--------------------------------------------------------------------------------------------------! |
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204 | SUBROUTINE pmc_set_dataarray_name( parentarraydesc, parentarrayname, childarraydesc, & |
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205 | childarrayname, istat ) |
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206 | |
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207 | IMPLICIT NONE |
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208 | |
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209 | CHARACTER(LEN=*), INTENT(IN) :: childarraydesc !< |
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210 | CHARACTER(LEN=*), INTENT(IN) :: childarrayname !< |
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211 | CHARACTER(LEN=*), INTENT(IN) :: parentarraydesc !< |
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212 | CHARACTER(LEN=*), INTENT(IN) :: parentarrayname !< |
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213 | |
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214 | INTEGER(iwp), INTENT(OUT) :: istat !< |
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215 | ! |
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216 | !-- Local variables |
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217 | INTEGER(iwp) :: mype !< |
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218 | |
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219 | TYPE(da_namedef) :: myname !< |
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220 | |
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221 | |
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222 | istat = pmc_status_ok |
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223 | ! |
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224 | !-- Check length of array names. |
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225 | IF ( LEN( TRIM( parentarrayname) ) > da_namelen .OR. & |
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226 | LEN( TRIM( childarrayname ) ) > da_namelen ) THEN |
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227 | istat = pmc_da_name_err |
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228 | ENDIF |
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229 | |
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230 | IF ( m_model_rank == 0 ) THEN |
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231 | myindex = myindex + 1 |
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232 | myname%couple_index = myindex |
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233 | myname%parentdesc = TRIM( parentarraydesc ) |
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234 | myname%nameonparent = TRIM( parentarrayname ) |
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235 | myname%childdesc = TRIM( childarraydesc ) |
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236 | myname%nameonchild = TRIM( childarrayname ) |
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237 | ENDIF |
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238 | |
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239 | ! |
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240 | !-- Broadcast to all child processes. |
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241 | !-- The complete description of a transfer array is broadcasted. |
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242 | CALL pmc_bcast( myname%couple_index, 0, comm=m_model_comm ) |
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243 | CALL pmc_bcast( myname%parentdesc, 0, comm=m_model_comm ) |
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244 | CALL pmc_bcast( myname%nameonparent, 0, comm=m_model_comm ) |
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245 | CALL pmc_bcast( myname%childdesc, 0, comm=m_model_comm ) |
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246 | CALL pmc_bcast( myname%nameonchild, 0, comm=m_model_comm ) |
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247 | |
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248 | ! |
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249 | !-- Broadcast to all parent processes. |
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250 | !-- The complete description of an transfer array names is broadcasted also to all parent processes. |
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251 | !-- Only the root PE of the broadcasts to parent is using intra communicator. |
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252 | IF ( m_model_rank == 0 ) THEN |
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253 | mype = MPI_ROOT |
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254 | ELSE |
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255 | mype = MPI_PROC_NULL |
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256 | ENDIF |
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257 | |
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258 | CALL pmc_bcast( myname%couple_index, mype, comm=m_to_parent_comm ) |
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259 | CALL pmc_bcast( myname%parentdesc, mype, comm=m_to_parent_comm ) |
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260 | CALL pmc_bcast( myname%nameonparent, mype, comm=m_to_parent_comm ) |
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261 | CALL pmc_bcast( myname%childdesc, mype, comm=m_to_parent_comm ) |
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262 | CALL pmc_bcast( myname%nameonchild, mype, comm=m_to_parent_comm ) |
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263 | |
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264 | CALL pmc_g_setname( me, myname%couple_index, myname%nameonchild ) |
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265 | |
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266 | END SUBROUTINE pmc_set_dataarray_name |
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267 | |
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268 | |
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269 | !--------------------------------------------------------------------------------------------------! |
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270 | ! Description: |
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271 | ! ------------ |
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272 | !> @Todo: Missing subroutine description. |
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273 | !--------------------------------------------------------------------------------------------------! |
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274 | SUBROUTINE pmc_set_dataarray_name_lastentry( lastentry ) |
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275 | |
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276 | IMPLICIT NONE |
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277 | |
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278 | LOGICAL, INTENT(IN), OPTIONAL :: lastentry !< |
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279 | ! |
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280 | !-- Local variables |
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281 | INTEGER :: idum !< |
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282 | INTEGER :: mype !< |
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283 | |
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284 | TYPE(dA_namedef) :: myname !< |
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285 | |
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286 | myname%couple_index = -1 |
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287 | |
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288 | IF ( m_model_rank == 0 ) THEN |
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289 | mype = MPI_ROOT |
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290 | ELSE |
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291 | mype = MPI_PROC_NULL |
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292 | ENDIF |
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293 | |
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294 | CALL pmc_bcast( myname%couple_index, mype, comm=m_to_parent_comm ) |
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295 | |
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296 | ! |
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297 | !-- Next statement is just to avoid compiler warnings about unused variables |
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298 | IF ( PRESENT( lastentry ) ) idum = 1 |
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299 | |
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300 | END SUBROUTINE pmc_set_dataarray_name_lastentry |
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301 | |
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302 | |
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303 | !--------------------------------------------------------------------------------------------------! |
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304 | ! Description: |
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305 | ! ------------ |
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306 | !> @Todo: Missing subroutine description. |
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307 | !--------------------------------------------------------------------------------------------------! |
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308 | SUBROUTINE pmc_c_get_2d_index_list |
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309 | |
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310 | IMPLICIT NONE |
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311 | |
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312 | INTEGER(iwp) :: dummy !< |
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313 | INTEGER(iwp) :: i, ierr, i2, j, nr !< |
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314 | INTEGER(iwp) :: indwin !< MPI window object |
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315 | INTEGER(iwp) :: indwin2 !< MPI window object |
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316 | |
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317 | INTEGER(KIND=MPI_ADDRESS_KIND) :: disp !< Displacement unit (Integer = 4, floating poit = 8 |
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318 | INTEGER(KIND=MPI_ADDRESS_KIND) :: winsize !< Size of MPI window 2 (in bytes) |
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319 | INTEGER(KIND=MPI_ADDRESS_KIND) :: win_size !< Size of MPI window 1 (in bytes) |
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320 | |
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321 | INTEGER, DIMENSION(me%inter_npes*2) :: nrele !< Number of Elements of a horizontal slice |
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322 | |
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323 | INTEGER, DIMENSION(:), POINTER :: myind !< |
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324 | |
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325 | TYPE(pedef), POINTER :: ape !> Pointer to pedef structure |
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326 | |
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327 | |
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328 | win_size = STORAGE_SIZE( dummy ) / 8 |
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329 | CALL MPI_WIN_CREATE( dummy, win_size, iwp, MPI_INFO_NULL, me%intra_comm, indwin, ierr ) |
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330 | ! |
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331 | !-- Close window on child side and open on parent side |
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332 | CALL MPI_WIN_FENCE( 0, indwin, ierr ) |
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333 | ! |
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334 | !-- Between the two MPI_WIN_FENCE calls, the parent can fill the RMA window. |
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335 | !-- Close window on parent side and open on child side. |
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336 | |
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337 | CALL MPI_WIN_FENCE( 0, indwin, ierr ) |
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338 | |
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339 | DO i = 1, me%inter_npes |
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340 | disp = me%model_rank * 2 |
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341 | CALL MPI_GET( nrele((i-1)*2+1), 2, MPI_INTEGER, i-1, disp, 2, MPI_INTEGER, indwin, ierr ) |
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342 | ENDDO |
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343 | ! |
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344 | !-- MPI_GET is non-blocking -> data in nrele is not available until MPI_FENCE is called. |
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345 | CALL MPI_WIN_FENCE( 0, indwin, ierr ) |
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346 | ! |
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347 | !-- Allocate memory for index array |
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348 | winsize = 0 |
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349 | DO i = 1, me%inter_npes |
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350 | ape => me%pes(i) |
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351 | i2 = ( i-1 ) * 2 + 1 |
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352 | nr = nrele(i2+1) |
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353 | IF ( nr > 0 ) THEN |
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354 | ALLOCATE( ape%locind(nr) ) |
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355 | ELSE |
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356 | NULLIFY( ape%locind ) |
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357 | ENDIF |
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358 | winsize = MAX( INT( nr, MPI_ADDRESS_KIND ), winsize ) |
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359 | ENDDO |
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360 | |
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361 | ALLOCATE( myind(2*winsize) ) |
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362 | winsize = 1 |
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363 | ! |
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364 | !-- Local buffer used in MPI_GET can but must not be inside the MPI Window. |
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365 | !-- Here, we use a dummy for the MPI window because the parent processes do not access the RMA |
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366 | !-- window via MPI_GET or MPI_PUT. |
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367 | CALL MPI_WIN_CREATE( dummy, winsize, iwp, MPI_INFO_NULL, me%intra_comm, indwin2, ierr ) |
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368 | ! |
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369 | !-- MPI_GET is non-blocking -> data in nrele is not available until MPI_FENCE is called. |
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370 | |
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371 | CALL MPI_WIN_FENCE( 0, indwin2, ierr ) |
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372 | ! |
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373 | !-- Between the two MPI_WIN_FENCE calls, the parent can fill the RMA window |
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374 | |
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375 | CALL MPI_WIN_FENCE( 0, indwin2, ierr ) |
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376 | |
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377 | DO i = 1, me%inter_npes |
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378 | ape => me%pes(i) |
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379 | nr = nrele(i*2) |
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380 | IF ( nr > 0 ) THEN |
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381 | disp = nrele(2*(i-1)+1) |
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382 | CALL MPI_WIN_LOCK( MPI_LOCK_SHARED , i-1, 0, indwin2, ierr ) |
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383 | CALL MPI_GET( myind, 2*nr, MPI_INTEGER, i-1, disp, 2*nr, MPI_INTEGER, indwin2, ierr ) |
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384 | CALL MPI_WIN_UNLOCK( i-1, indwin2, ierr ) |
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385 | DO j = 1, nr |
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386 | ape%locind(j)%i = myind(2*j-1) |
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387 | ape%locind(j)%j = myind(2*j) |
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388 | ENDDO |
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389 | ape%nrele = nr |
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390 | ELSE |
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391 | ape%nrele = -1 |
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392 | ENDIF |
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393 | ENDDO |
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394 | ! |
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395 | !-- Don't know why, but this barrier is necessary before we can free the windows. |
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396 | CALL MPI_BARRIER( me%intra_comm, ierr ) |
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397 | |
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398 | CALL MPI_WIN_FREE( indWin, ierr ) |
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399 | CALL MPI_WIN_FREE( indwin2, ierr ) |
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400 | DEALLOCATE( myind ) |
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401 | |
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402 | END SUBROUTINE pmc_c_get_2d_index_list |
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403 | |
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404 | |
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405 | |
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406 | SUBROUTINE pmc_c_clear_next_array_list |
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407 | |
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408 | IMPLICIT NONE |
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409 | |
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410 | next_array_in_list = 0 |
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411 | |
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412 | END SUBROUTINE pmc_c_clear_next_array_list |
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413 | |
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414 | |
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415 | |
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416 | LOGICAL FUNCTION pmc_c_getnextarray( myname ) |
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417 | |
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418 | ! |
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419 | !-- List handling is still required to get minimal interaction with pmc_interface. |
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420 | CHARACTER(LEN=*), INTENT(OUT) :: myname !< |
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421 | ! |
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422 | !-- Local variables |
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423 | TYPE(pedef), POINTER :: ape !< |
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424 | TYPE(arraydef), POINTER :: ar !< |
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425 | |
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426 | |
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427 | next_array_in_list = next_array_in_list + 1 |
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428 | ! |
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429 | !-- Array names are the same on all child PEs, so take first process to get the name. |
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430 | ape => me%pes(1) |
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431 | ! |
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432 | !-- Check if all arrays have been processed. |
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433 | IF ( next_array_in_list > ape%nr_arrays ) THEN |
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434 | pmc_c_getnextarray = .FALSE. |
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435 | RETURN |
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436 | ENDIF |
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437 | |
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438 | ar => ape%array_list( next_array_in_list ) |
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439 | |
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440 | myname = ar%name |
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441 | ! |
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442 | !-- Return TRUE if annother array. |
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443 | !-- If all array have been processed, the RETURN statement a couple of lines above is active. |
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444 | |
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445 | pmc_c_getnextarray = .TRUE. |
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446 | |
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447 | END FUNCTION pmc_c_getnextarray |
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448 | |
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449 | |
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450 | !--------------------------------------------------------------------------------------------------! |
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451 | ! Description: |
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452 | ! ------------ |
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453 | !> @Todo: Missing subroutine description. |
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454 | !--------------------------------------------------------------------------------------------------! |
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455 | SUBROUTINE pmc_c_set_dataarray_2d( array ) |
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456 | |
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457 | IMPLICIT NONE |
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458 | |
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459 | INTEGER(iwp) :: i !< |
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460 | INTEGER(iwp) :: nrdims !< |
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461 | |
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462 | INTEGER(iwp), DIMENSION(4) :: dims !< |
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463 | |
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464 | REAL(wp), INTENT(IN) , DIMENSION(:,:), POINTER :: array !< |
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465 | |
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466 | TYPE(C_PTR) :: array_adr !< |
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467 | TYPE(arraydef), POINTER :: ar !< |
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468 | TYPE(pedef), POINTER :: ape !< |
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469 | |
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470 | |
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471 | dims = 1 |
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472 | nrdims = 2 |
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473 | dims(1) = SIZE( array, 1 ) |
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474 | dims(2) = SIZE( array, 2 ) |
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475 | |
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476 | array_adr = C_LOC( array ) |
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477 | |
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478 | DO i = 1, me%inter_npes |
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479 | ape => me%pes(i) |
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480 | ar => ape%array_list(next_array_in_list) |
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481 | ar%nrdims = nrdims |
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482 | ar%dimkey = nrdims |
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483 | ar%a_dim = dims |
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484 | ar%data = array_adr |
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485 | ENDDO |
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486 | |
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487 | END SUBROUTINE pmc_c_set_dataarray_2d |
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488 | |
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489 | |
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490 | !--------------------------------------------------------------------------------------------------! |
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491 | ! Description: |
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492 | ! ------------ |
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493 | !> @Todo: Missing subroutine description. |
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494 | !--------------------------------------------------------------------------------------------------! |
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495 | SUBROUTINE pmc_c_set_dataarray_ip2d( array ) |
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496 | |
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497 | IMPLICIT NONE |
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498 | |
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499 | INTEGER(idp), INTENT(IN) , DIMENSION(:,:), POINTER :: array !< |
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500 | |
---|
501 | INTEGER(iwp) :: i !< |
---|
502 | INTEGER(iwp) :: nrdims !< |
---|
503 | |
---|
504 | INTEGER(iwp), DIMENSION(4) :: dims !< |
---|
505 | |
---|
506 | TYPE(C_PTR) :: array_adr !< |
---|
507 | TYPE(arraydef), POINTER :: ar !< |
---|
508 | TYPE(pedef), POINTER :: ape !< |
---|
509 | |
---|
510 | dims = 1 |
---|
511 | nrdims = 2 |
---|
512 | dims(1) = SIZE( array, 1 ) |
---|
513 | dims(2) = SIZE( array, 2 ) |
---|
514 | |
---|
515 | array_adr = C_LOC( array ) |
---|
516 | |
---|
517 | DO i = 1, me%inter_npes |
---|
518 | ape => me%pes(i) |
---|
519 | ar => ape%array_list(next_array_in_list) |
---|
520 | ar%nrdims = nrdims |
---|
521 | ar%dimkey = 22 |
---|
522 | ar%a_dim = dims |
---|
523 | ar%data = array_adr |
---|
524 | ENDDO |
---|
525 | |
---|
526 | END SUBROUTINE pmc_c_set_dataarray_ip2d |
---|
527 | |
---|
528 | |
---|
529 | !--------------------------------------------------------------------------------------------------! |
---|
530 | ! Description: |
---|
531 | ! ------------ |
---|
532 | !> @Todo: Missing subroutine description. |
---|
533 | !--------------------------------------------------------------------------------------------------! |
---|
534 | SUBROUTINE pmc_c_set_dataarray_3d (array) |
---|
535 | |
---|
536 | IMPLICIT NONE |
---|
537 | |
---|
538 | INTEGER(iwp) :: i !< |
---|
539 | INTEGER(iwp) :: nrdims !< |
---|
540 | |
---|
541 | INTEGER(iwp), DIMENSION (4) :: dims !< |
---|
542 | |
---|
543 | REAL(wp), INTENT(IN), DIMENSION(:,:,:), POINTER :: array !< |
---|
544 | |
---|
545 | TYPE(C_PTR) :: array_adr !< |
---|
546 | TYPE(pedef), POINTER :: ape !< |
---|
547 | TYPE(arraydef), POINTER :: ar !< |
---|
548 | |
---|
549 | |
---|
550 | dims = 1 |
---|
551 | nrdims = 3 |
---|
552 | dims(1) = SIZE( array, 1 ) |
---|
553 | dims(2) = SIZE( array, 2 ) |
---|
554 | dims(3) = SIZE( array, 3 ) |
---|
555 | |
---|
556 | array_adr = C_LOC( array ) |
---|
557 | |
---|
558 | DO i = 1, me%inter_npes |
---|
559 | ape => me%pes(i) |
---|
560 | ar => ape%array_list(next_array_in_list) |
---|
561 | ar%nrdims = nrdims |
---|
562 | ar%dimkey = nrdims |
---|
563 | ar%a_dim = dims |
---|
564 | ar%data = array_adr |
---|
565 | ENDDO |
---|
566 | |
---|
567 | END SUBROUTINE pmc_c_set_dataarray_3d |
---|
568 | |
---|
569 | |
---|
570 | |
---|
571 | !--------------------------------------------------------------------------------------------------! |
---|
572 | ! Description: |
---|
573 | ! ------------ |
---|
574 | !> @Todo: Missing subroutine description. |
---|
575 | !--------------------------------------------------------------------------------------------------! |
---|
576 | SUBROUTINE pmc_c_setind_and_allocmem |
---|
577 | |
---|
578 | IMPLICIT NONE |
---|
579 | |
---|
580 | ! |
---|
581 | !-- Naming convention for appendices: _pc -> parent to child transfer |
---|
582 | !-- _cp -> child to parent transfer |
---|
583 | !-- recv -> parent to child transfer |
---|
584 | !-- send -> child to parent transfer |
---|
585 | |
---|
586 | INTEGER(iwp), PARAMETER :: noindex = -1 !< |
---|
587 | |
---|
588 | INTEGER(iwp) :: arlen !< |
---|
589 | INTEGER(iwp) :: i !< |
---|
590 | INTEGER(iwp) :: ierr !< |
---|
591 | INTEGER(iwp) :: istat !< |
---|
592 | INTEGER(iwp) :: j !< |
---|
593 | INTEGER(iwp) :: lo_nr_arrays !< |
---|
594 | INTEGER(iwp) :: myindex !< |
---|
595 | INTEGER(iwp) :: rcount !< |
---|
596 | INTEGER(iwp) :: tag !< |
---|
597 | INTEGER(iwp) :: total_npes !< |
---|
598 | |
---|
599 | INTEGER(idp) :: bufsize !< size of MPI data window |
---|
600 | |
---|
601 | INTEGER(KIND=MPI_ADDRESS_KIND) :: winsize !< |
---|
602 | |
---|
603 | INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: myindex_s !< |
---|
604 | INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: myindex_r !< |
---|
605 | |
---|
606 | REAL(wp), DIMENSION(:), POINTER, SAVE :: base_array_cp !< base array |
---|
607 | REAL(wp), DIMENSION(:), POINTER, SAVE :: base_array_pc !< base array |
---|
608 | |
---|
609 | TYPE(pedef), POINTER :: ape !< |
---|
610 | TYPE(arraydef), POINTER :: ar !< |
---|
611 | |
---|
612 | Type(C_PTR) :: base_ptr !< |
---|
613 | |
---|
614 | |
---|
615 | CALL MPI_COMM_SIZE (me%intra_comm, total_npes, ierr) |
---|
616 | |
---|
617 | lo_nr_arrays = me%pes(1)%nr_arrays |
---|
618 | |
---|
619 | ALLOCATE( myindex_s(lo_nr_arrays,0:total_npes-1) ) |
---|
620 | ALLOCATE( myindex_r(lo_nr_arrays,0:total_npes-1) ) |
---|
621 | |
---|
622 | myindex_s = 0 |
---|
623 | |
---|
624 | ! |
---|
625 | !-- Receive indices from child. |
---|
626 | CALL MPI_ALLTOALL( myindex_s, lo_nr_arrays, MPI_INTEGER, myindex_r, lo_nr_arrays, MPI_INTEGER, & |
---|
627 | me%intra_comm, ierr ) |
---|
628 | |
---|
629 | myindex = 0 |
---|
630 | bufsize = 8 |
---|
631 | ! |
---|
632 | !-- Parent to child direction. |
---|
633 | !-- First stride: compute size and set index. |
---|
634 | DO i = 1, me%inter_npes |
---|
635 | ape => me%pes(i) |
---|
636 | DO j = 1, ape%nr_arrays |
---|
637 | ar => ape%array_list(j) |
---|
638 | ar%recvindex = myindex_r(j,i-1) |
---|
639 | ! |
---|
640 | !-- Determine max, because child buffer is allocated only once. |
---|
641 | !-- All 2D and 3d arrays use the same buffer. |
---|
642 | |
---|
643 | IF ( ar%nrdims == 3 ) THEN |
---|
644 | bufsize = MAX( bufsize, INT( ar%a_dim(1)*ar%a_dim(2)*ar%a_dim(3), MPI_ADDRESS_KIND ) ) |
---|
645 | ELSE |
---|
646 | bufsize = MAX( bufsize, INT( ar%a_dim(1)*ar%a_dim(2), MPI_ADDRESS_KIND ) ) |
---|
647 | ENDIF |
---|
648 | ENDDO |
---|
649 | ENDDO |
---|
650 | |
---|
651 | ! |
---|
652 | !-- Create RMA (one sided communication) data buffer. |
---|
653 | !-- The buffer for MPI_GET can be PE local, i.e. it can but must not be part of the MPI RMA window. |
---|
654 | CALL pmc_alloc_mem( base_array_pc, bufsize, base_ptr ) |
---|
655 | me%totalbuffersize = bufsize*wp ! Total buffer size in byte |
---|
656 | ! |
---|
657 | !-- Second stride: set buffer pointer. |
---|
658 | DO i = 1, me%inter_npes |
---|
659 | ape => me%pes(i) |
---|
660 | DO j = 1, ape%nr_arrays |
---|
661 | ar => ape%array_list(j) |
---|
662 | ar%recvbuf = base_ptr |
---|
663 | ENDDO |
---|
664 | ENDDO |
---|
665 | ! |
---|
666 | !-- Child to parent direction. |
---|
667 | myindex = 1 |
---|
668 | rcount = 0 |
---|
669 | bufsize = 8 |
---|
670 | |
---|
671 | myindex_s = 0 |
---|
672 | myindex_r = 0 |
---|
673 | |
---|
674 | DO i = 1, me%inter_npes |
---|
675 | ape => me%pes(i) |
---|
676 | tag = 300 |
---|
677 | DO j = 1, ape%nr_arrays |
---|
678 | ar => ape%array_list(j) |
---|
679 | IF ( ar%nrdims == 2 ) THEN |
---|
680 | arlen = ape%nrele |
---|
681 | ELSEIF( ar%nrdims == 3 ) THEN |
---|
682 | arlen = ape%nrele*ar%a_dim(1) |
---|
683 | ENDIF |
---|
684 | |
---|
685 | IF ( ape%nrele > 0 ) THEN |
---|
686 | ar%sendindex = myindex |
---|
687 | ELSE |
---|
688 | ar%sendindex = noindex |
---|
689 | ENDIF |
---|
690 | |
---|
691 | myindex_s(j,i-1) = ar%sendindex |
---|
692 | |
---|
693 | IF ( ape%nrele > 0 ) THEN |
---|
694 | ar%sendsize = arlen |
---|
695 | myindex = myindex + arlen |
---|
696 | bufsize = bufsize + arlen |
---|
697 | ENDIF |
---|
698 | |
---|
699 | ENDDO |
---|
700 | |
---|
701 | ENDDO |
---|
702 | ! |
---|
703 | !-- Send indices to parent. |
---|
704 | |
---|
705 | CALL MPI_ALLTOALL( myindex_s, lo_nr_arrays, MPI_INTEGER, myindex_r, lo_nr_arrays, MPI_INTEGER, & |
---|
706 | me%intra_comm, ierr) |
---|
707 | |
---|
708 | DEALLOCATE( myindex_s ) |
---|
709 | DEALLOCATE( myindex_r ) |
---|
710 | |
---|
711 | ! |
---|
712 | !-- Create RMA (one sided communication) window for data buffer child to parent transfer. |
---|
713 | !-- The buffer of MPI_GET (counter part of transfer) can be PE-local, i.e. it can but must not be |
---|
714 | !-- part of the MPI RMA window. Only one RMA window is required to prepare the data: |
---|
715 | !-- for parent -> child transfer on the parent side |
---|
716 | !-- and |
---|
717 | !-- for child -> parent transfer on the child side |
---|
718 | CALL pmc_alloc_mem( base_array_cp, bufsize ) |
---|
719 | me%totalbuffersize = bufsize * wp ! Total buffer size in byte |
---|
720 | |
---|
721 | winSize = me%totalbuffersize |
---|
722 | |
---|
723 | CALL MPI_WIN_CREATE( base_array_cp, winsize, wp, MPI_INFO_NULL, me%intra_comm, & |
---|
724 | me%win_parent_child, ierr ) |
---|
725 | CALL MPI_WIN_FENCE( 0, me%win_parent_child, ierr ) |
---|
726 | CALL MPI_BARRIER( me%intra_comm, ierr ) |
---|
727 | ! |
---|
728 | !-- Second stride: set buffer pointer. |
---|
729 | DO i = 1, me%inter_npes |
---|
730 | ape => me%pes(i) |
---|
731 | DO j = 1, ape%nr_arrays |
---|
732 | ar => ape%array_list(j) |
---|
733 | IF ( ape%nrele > 0 ) THEN |
---|
734 | ar%sendbuf = C_LOC( base_array_cp(ar%sendindex) ) |
---|
735 | ! |
---|
736 | !-- TODO: If this is an error to be really expected, replace the following message by a |
---|
737 | !-- meaningful standard PALM message using the message-routine. |
---|
738 | IF ( ar%sendindex+ar%sendsize > bufsize ) THEN |
---|
739 | WRITE( 0,'(a,i4,4i7,1x,a)') 'Child buffer too small ', i, ar%sendindex, & |
---|
740 | ar%sendsize, ar%sendindex+ar%sendsize, bufsize, TRIM( ar%name ) |
---|
741 | CALL MPI_ABORT( MPI_COMM_WORLD, istat, ierr ) |
---|
742 | ENDIF |
---|
743 | ENDIF |
---|
744 | ENDDO |
---|
745 | ENDDO |
---|
746 | |
---|
747 | END SUBROUTINE pmc_c_setind_and_allocmem |
---|
748 | |
---|
749 | |
---|
750 | !--------------------------------------------------------------------------------------------------! |
---|
751 | ! Description: |
---|
752 | ! ------------ |
---|
753 | !> @Todo: Missing subroutine description. |
---|
754 | !--------------------------------------------------------------------------------------------------! |
---|
755 | SUBROUTINE pmc_c_getbuffer( waittime, particle_transfer ) |
---|
756 | |
---|
757 | IMPLICIT NONE |
---|
758 | |
---|
759 | INTEGER(iwp) :: ierr !< |
---|
760 | INTEGER(iwp) :: ij !< |
---|
761 | INTEGER(iwp) :: ip !< |
---|
762 | INTEGER(iwp) :: j !< |
---|
763 | INTEGER(iwp) :: myindex !< |
---|
764 | INTEGER(iwp) :: nr !< number of elements to get from parent |
---|
765 | |
---|
766 | INTEGER(KIND=MPI_ADDRESS_KIND) :: target_disp !< |
---|
767 | INTEGER,DIMENSION(1) :: buf_shape !< |
---|
768 | |
---|
769 | INTEGER(idp), POINTER, DIMENSION(:) :: ibuf !< |
---|
770 | INTEGER(idp), POINTER, DIMENSION(:,:) :: idata_2d !< |
---|
771 | |
---|
772 | LOGICAL :: lo_ptrans !< |
---|
773 | |
---|
774 | LOGICAL, INTENT(IN), OPTIONAL :: particle_transfer !< |
---|
775 | |
---|
776 | REAL(wp) :: t1 !< |
---|
777 | REAL(wp) :: t2 !< |
---|
778 | |
---|
779 | REAL(wp), POINTER, DIMENSION(:) :: buf !< |
---|
780 | REAL(wp), POINTER, DIMENSION(:,:) :: data_2d !< |
---|
781 | REAL(wp), POINTER, DIMENSION(:,:,:) :: data_3d !< |
---|
782 | |
---|
783 | REAL(wp), INTENT(OUT), OPTIONAL :: waittime !< |
---|
784 | |
---|
785 | TYPE(pedef), POINTER :: ape !< |
---|
786 | TYPE(arraydef), POINTER :: ar !< |
---|
787 | |
---|
788 | |
---|
789 | |
---|
790 | ! |
---|
791 | !-- Synchronization of the model is done in pmci_synchronize. Therefore the RMA window can be filled |
---|
792 | !-- without sychronization at this point and a barrier is not necessary. |
---|
793 | |
---|
794 | !-- In case waittime is present, the following barrier is necessary to insure the same number of |
---|
795 | !-- barrier calls on parent and child. This means, that here on child side two barriers are called |
---|
796 | !-- successively. The parent is filling its buffer between the two barrier calls. |
---|
797 | |
---|
798 | !-- Please note that waittime has to be set in pmc_s_fillbuffer AND pmc_c_getbuffer. |
---|
799 | IF ( PRESENT( waittime ) ) THEN |
---|
800 | t1 = pmc_time() |
---|
801 | CALL MPI_BARRIER( me%intra_comm, ierr ) |
---|
802 | t2 = pmc_time() |
---|
803 | waittime = t2 - t1 |
---|
804 | ENDIF |
---|
805 | |
---|
806 | lo_ptrans = .FALSE. |
---|
807 | IF ( PRESENT( particle_transfer) ) lo_ptrans = particle_transfer |
---|
808 | |
---|
809 | ! |
---|
810 | !-- Wait for buffer to be filled. |
---|
811 | ! |
---|
812 | !-- The parent side (in pmc_s_fillbuffer) is filling the buffer in the MPI RMA window. When the |
---|
813 | !-- filling is complet, a MPI_BARRIER is called. The child is not allowd to access the parent-buffer |
---|
814 | !-- before it is completely filled. Therefore the following barrier is required. |
---|
815 | |
---|
816 | CALL MPI_BARRIER( me%intra_comm, ierr ) |
---|
817 | |
---|
818 | DO ip = 1, me%inter_npes |
---|
819 | ape => me%pes(ip) |
---|
820 | DO j = 1, ape%nr_arrays |
---|
821 | ar => ape%array_list(j) |
---|
822 | |
---|
823 | IF ( ar%dimkey == 2 .AND. .NOT. lo_ptrans) THEN |
---|
824 | nr = ape%nrele |
---|
825 | ELSEIF ( ar%dimkey == 3 .AND. .NOT. lo_ptrans) THEN |
---|
826 | nr = ape%nrele * ar%a_dim(1) |
---|
827 | ELSE IF ( ar%dimkey == 22 .AND. lo_ptrans) THEN |
---|
828 | nr = ape%nrele |
---|
829 | ELSE |
---|
830 | CYCLE ! Particle arrays are not transferd here |
---|
831 | ENDIF |
---|
832 | buf_shape(1) = nr |
---|
833 | IF ( lo_ptrans ) THEN |
---|
834 | CALL C_F_POINTER( ar%recvbuf, ibuf, buf_shape ) |
---|
835 | ELSE |
---|
836 | CALL C_F_POINTER( ar%recvbuf, buf, buf_shape ) |
---|
837 | ENDIF |
---|
838 | ! |
---|
839 | !-- MPI passive target RMA |
---|
840 | !-- One data array is fetchted from MPI RMA window on parent |
---|
841 | |
---|
842 | IF ( nr > 0 ) THEN |
---|
843 | target_disp = ar%recvindex - 1 |
---|
844 | CALL MPI_WIN_LOCK( MPI_LOCK_SHARED , ip-1, 0, me%win_parent_child, ierr ) |
---|
845 | IF ( lo_ptrans ) THEN |
---|
846 | CALL MPI_GET( ibuf, nr*8, MPI_BYTE, ip-1, target_disp, nr*8, MPI_BYTE, & !There is no MPI_INTEGER8 datatype |
---|
847 | me%win_parent_child, ierr ) |
---|
848 | ELSE |
---|
849 | CALL MPI_GET( buf, nr, MPI_REAL, ip-1, target_disp, nr, MPI_REAL, & |
---|
850 | me%win_parent_child, ierr ) |
---|
851 | ENDIF |
---|
852 | CALL MPI_WIN_UNLOCK( ip-1, me%win_parent_child, ierr ) |
---|
853 | ENDIF |
---|
854 | myindex = 1 |
---|
855 | IF ( ar%dimkey == 2 .AND. .NOT. lo_ptrans) THEN |
---|
856 | |
---|
857 | CALL C_F_POINTER( ar%data, data_2d, ar%a_dim(1:2) ) |
---|
858 | DO ij = 1, ape%nrele |
---|
859 | data_2d(ape%locind(ij)%j,ape%locind(ij)%i) = buf(myindex) |
---|
860 | myindex = myindex + 1 |
---|
861 | ENDDO |
---|
862 | |
---|
863 | ELSEIF ( ar%dimkey == 3 .AND. .NOT. lo_ptrans) THEN |
---|
864 | |
---|
865 | CALL C_F_POINTER( ar%data, data_3d, ar%a_dim(1:3) ) |
---|
866 | DO ij = 1, ape%nrele |
---|
867 | data_3d(:,ape%locind(ij)%j,ape%locind(ij)%i) = buf(myindex:myindex+ar%a_dim(1)-1) |
---|
868 | myindex = myindex+ar%a_dim(1) |
---|
869 | ENDDO |
---|
870 | |
---|
871 | ELSEIF ( ar%dimkey == 22 .AND. lo_ptrans) THEN |
---|
872 | CALL C_F_POINTER( ar%data, idata_2d, ar%a_dim(1:2) ) |
---|
873 | |
---|
874 | DO ij = 1, ape%nrele |
---|
875 | idata_2d(ape%locind(ij)%j,ape%locind(ij)%i) = ibuf(myindex) |
---|
876 | myindex = myindex + 1 |
---|
877 | ENDDO |
---|
878 | |
---|
879 | ENDIF |
---|
880 | ENDDO |
---|
881 | ENDDO |
---|
882 | |
---|
883 | END SUBROUTINE pmc_c_getbuffer |
---|
884 | |
---|
885 | |
---|
886 | !--------------------------------------------------------------------------------------------------! |
---|
887 | ! Description: |
---|
888 | ! ------------ |
---|
889 | !> @Todo: Missing subroutine description. |
---|
890 | !--------------------------------------------------------------------------------------------------! |
---|
891 | SUBROUTINE pmc_c_putbuffer( waittime , particle_transfer ) |
---|
892 | |
---|
893 | IMPLICIT NONE |
---|
894 | |
---|
895 | INTEGER(iwp) :: ierr !< |
---|
896 | INTEGER(iwp) :: ij !< |
---|
897 | INTEGER(iwp) :: ip !< |
---|
898 | INTEGER(iwp) :: j !< |
---|
899 | INTEGER(iwp) :: myindex !< |
---|
900 | |
---|
901 | INTEGER(iwp), DIMENSION(1) :: buf_shape !< |
---|
902 | |
---|
903 | INTEGER(idp), POINTER, DIMENSION(:) :: ibuf !< |
---|
904 | INTEGER(idp), POINTER, DIMENSION(:,:) :: idata_2d !< |
---|
905 | |
---|
906 | LOGICAL, INTENT(IN), OPTIONAL :: particle_transfer !< |
---|
907 | |
---|
908 | LOGICAL :: lo_ptrans !< |
---|
909 | |
---|
910 | REAL(wp) :: t1 !< |
---|
911 | REAL(wp) :: t2 !< |
---|
912 | |
---|
913 | REAL(wp), INTENT(OUT), OPTIONAL :: waittime !< |
---|
914 | |
---|
915 | REAL(wp), POINTER, DIMENSION(:) :: buf !< |
---|
916 | REAL(wp), POINTER, DIMENSION(:,:) :: data_2d !< |
---|
917 | REAL(wp), POINTER, DIMENSION(:,:,:) :: data_3d !< |
---|
918 | |
---|
919 | TYPE(pedef), POINTER :: ape !< |
---|
920 | TYPE(arraydef), POINTER :: ar !< |
---|
921 | |
---|
922 | ! |
---|
923 | !-- Wait for empty buffer. |
---|
924 | !-- Switch RMA epoche. |
---|
925 | |
---|
926 | t1 = pmc_time() |
---|
927 | CALL MPI_BARRIER( me%intra_comm, ierr ) |
---|
928 | t2 = pmc_time() |
---|
929 | IF ( PRESENT( waittime ) ) waittime = t2 - t1 |
---|
930 | |
---|
931 | lo_ptrans = .FALSE. |
---|
932 | IF ( PRESENT( particle_transfer) ) lo_ptrans = particle_transfer |
---|
933 | |
---|
934 | DO ip = 1, me%inter_npes |
---|
935 | ape => me%pes(ip) |
---|
936 | DO j = 1, ape%nr_arrays |
---|
937 | ar => aPE%array_list(j) |
---|
938 | myindex = 1 |
---|
939 | |
---|
940 | IF ( ar%dimkey == 2 .AND. .NOT. lo_ptrans ) THEN |
---|
941 | |
---|
942 | buf_shape(1) = ape%nrele |
---|
943 | CALL C_F_POINTER( ar%sendbuf, buf, buf_shape ) |
---|
944 | CALL C_F_POINTER( ar%data, data_2d, ar%a_dim(1:2) ) |
---|
945 | DO ij = 1, ape%nrele |
---|
946 | buf(myindex) = data_2d(ape%locind(ij)%j,ape%locind(ij)%i) |
---|
947 | myindex = myindex + 1 |
---|
948 | ENDDO |
---|
949 | |
---|
950 | ELSEIF ( ar%dimkey == 3 .AND. .NOT. lo_ptrans ) THEN |
---|
951 | |
---|
952 | buf_shape(1) = ape%nrele*ar%a_dim(1) |
---|
953 | CALL C_F_POINTER( ar%sendbuf, buf, buf_shape ) |
---|
954 | CALL C_F_POINTER( ar%data, data_3d, ar%a_dim(1:3) ) |
---|
955 | DO ij = 1, ape%nrele |
---|
956 | buf(myindex:myindex+ar%a_dim(1)-1) = data_3d(:,ape%locind(ij)%j,ape%locind(ij)%i) |
---|
957 | myindex = myindex + ar%a_dim(1) |
---|
958 | ENDDO |
---|
959 | |
---|
960 | ELSE IF ( ar%dimkey == 22 .AND. lo_ptrans) THEN |
---|
961 | |
---|
962 | buf_shape(1) = ape%nrele |
---|
963 | CALL C_F_POINTER( ar%sendbuf, ibuf, buf_shape ) |
---|
964 | CALL C_F_POINTER( ar%data, idata_2d, ar%a_dim(1:2) ) |
---|
965 | |
---|
966 | DO ij = 1, ape%nrele |
---|
967 | ibuf(myindex) = idata_2d(ape%locind(ij)%j,ape%locind(ij)%i) |
---|
968 | myindex = myindex + 1 |
---|
969 | ENDDO |
---|
970 | |
---|
971 | ENDIF |
---|
972 | ENDDO |
---|
973 | ENDDO |
---|
974 | ! |
---|
975 | !-- Buffer is filled. |
---|
976 | !-- Switch RMA epoche. |
---|
977 | |
---|
978 | CALL MPI_Barrier(me%intra_comm, ierr) |
---|
979 | |
---|
980 | END SUBROUTINE pmc_c_putbuffer |
---|
981 | |
---|
982 | #endif |
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983 | END MODULE pmc_child |
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