[4534] | 1 | !> @file shared_memory_io_mod.f90 |
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[4591] | 2 | !--------------------------------------------------------------------------------------------------! |
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| 3 | ! This file is part of the PALM model system. |
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[4534] | 4 | ! |
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[4591] | 5 | ! PALM is free software: you can redistribute it and/or modify it under the terms of the GNU General |
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| 6 | ! Public License as published by the Free Software Foundation, either version 3 of the License, or |
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| 7 | ! (at your option) any later version. |
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[4534] | 8 | ! |
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[4591] | 9 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the |
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| 10 | ! implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
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| 11 | ! Public License for more details. |
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[4534] | 12 | ! |
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[4591] | 13 | ! You should have received a copy of the GNU General Public License along with PALM. If not, see |
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| 14 | ! <http://www.gnu.org/licenses/>. |
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[4534] | 15 | ! |
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| 16 | ! Copyright 1997-2020 Leibniz Universitaet Hannover |
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[4591] | 17 | !--------------------------------------------------------------------------------------------------! |
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[4534] | 18 | ! |
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[4591] | 19 | ! |
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[4534] | 20 | ! Current revisions: |
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| 21 | ! ----------------- |
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[4591] | 22 | ! |
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| 23 | ! |
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[4534] | 24 | ! Former revisions: |
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[4620] | 25 | ! ----------------- |
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[4534] | 26 | ! $Id: shared_memory_io_mod.f90 4620 2020-07-22 14:11:16Z raasch $ |
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[4620] | 27 | ! bugfix: variable definition changed |
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[4534] | 28 | ! |
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[4620] | 29 | ! 4618 2020-07-22 11:21:08Z raasch |
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[4618] | 30 | ! unused variable removed |
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| 31 | ! |
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| 32 | ! |
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[4617] | 33 | ! Additions for cyclic fill mode |
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| 34 | ! |
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| 35 | ! |
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[4591] | 36 | ! File re-formatted to follow the PALM coding standard |
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[4534] | 37 | ! |
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[4591] | 38 | ! |
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| 39 | ! Initial version (Klaus Ketelsen) |
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[4534] | 40 | ! |
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[4591] | 41 | ! |
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| 42 | ! |
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[4534] | 43 | ! Description: |
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| 44 | ! ------------ |
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[4591] | 45 | !> Handle MPI-IO or NetCDF-IO shared memory arrays. |
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| 46 | !> This module performs the organization of new communicators, adapted PE-grids and allocation of |
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| 47 | !> shared memory arrays. The IO itself is not done here. |
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| 48 | !--------------------------------------------------------------------------------------------------! |
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[4534] | 49 | MODULE shared_memory_io_mod |
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| 50 | |
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| 51 | #if defined( __parallel ) |
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| 52 | #if defined( __mpifh ) |
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| 53 | INCLUDE "mpif.h" |
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| 54 | #else |
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| 55 | USE MPI |
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| 56 | #endif |
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| 57 | #endif |
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| 58 | |
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| 59 | USE, INTRINSIC :: ISO_C_BINDING |
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| 60 | |
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| 61 | USE control_parameters, & |
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[4591] | 62 | ONLY: maximum_grid_level, & |
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| 63 | message_string, & |
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| 64 | mg_switch_to_pe0_level |
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[4534] | 65 | |
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[4591] | 66 | |
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[4534] | 67 | USE indices, & |
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[4591] | 68 | ONLY: nbgp, & |
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| 69 | nnx, & |
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| 70 | nny, & |
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| 71 | nnz, & |
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| 72 | nx, & |
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| 73 | nxl, & |
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| 74 | nxlg, & |
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| 75 | nxr, & |
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| 76 | nxrg, & |
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| 77 | ny, & |
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| 78 | nyn, & |
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| 79 | nyng, & |
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| 80 | nys, & |
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| 81 | nysg, & |
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| 82 | nzb, & |
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| 83 | nzt |
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[4534] | 84 | |
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| 85 | USE kinds, & |
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[4617] | 86 | ONLY: dp, & |
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| 87 | iwp, & |
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| 88 | sp, & |
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[4591] | 89 | wp |
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[4534] | 90 | |
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| 91 | USE pegrid, & |
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[4591] | 92 | ONLY: comm1dx, & |
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| 93 | comm1dy, & |
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| 94 | comm2d, & |
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| 95 | ierr, & |
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| 96 | myid, & |
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| 97 | myidx, & |
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| 98 | myidy, & |
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| 99 | npex, & |
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| 100 | npey, & |
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| 101 | numprocs, & |
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| 102 | pdims, & |
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| 103 | pleft, & |
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| 104 | pnorth, & |
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| 105 | pright, & |
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| 106 | psouth, & |
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| 107 | sendrecvcount_xy |
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| 108 | |
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[4534] | 109 | #if defined( __parallel ) |
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| 110 | USE pegrid, & |
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[4591] | 111 | ONLY: pcoord, & |
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| 112 | reorder |
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[4534] | 113 | #endif |
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| 114 | |
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| 115 | IMPLICIT NONE |
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| 116 | |
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| 117 | PRIVATE |
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| 118 | |
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| 119 | SAVE |
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| 120 | |
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| 121 | ! |
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[4617] | 122 | !-- Type to store information about the domain decomposition grid |
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| 123 | TYPE, PUBLIC :: domain_decomposition_grid_features !< |
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[4534] | 124 | |
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[4617] | 125 | INTEGER(iwp) :: comm2d !< |
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| 126 | INTEGER(iwp) :: myid !< |
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| 127 | INTEGER(iwp) :: nnx !< |
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| 128 | INTEGER(iwp) :: nny !< |
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| 129 | INTEGER(iwp) :: nx !< |
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| 130 | INTEGER(iwp) :: nxl !< |
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| 131 | INTEGER(iwp) :: nxr !< |
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| 132 | INTEGER(iwp) :: ny !< |
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| 133 | INTEGER(iwp) :: nyn !< |
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| 134 | INTEGER(iwp) :: nys !< |
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| 135 | INTEGER(iwp) :: numprocs !< |
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[4534] | 136 | |
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[4617] | 137 | CONTAINS |
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[4591] | 138 | |
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[4617] | 139 | PROCEDURE, PASS(this), PUBLIC :: activate_grid_from_this_class |
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| 140 | PROCEDURE, PASS(this), PUBLIC :: save_grid_into_this_class |
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[4591] | 141 | |
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[4617] | 142 | END TYPE domain_decomposition_grid_features |
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[4591] | 143 | |
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[4534] | 144 | ! |
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| 145 | !-- Class definition for shared memory instances. |
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| 146 | !-- For every use of shared memory IO, one instance of this class is created. |
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[4591] | 147 | TYPE, PUBLIC :: sm_class !< |
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[4534] | 148 | |
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[4591] | 149 | INTEGER(iwp) :: nr_io_pe_per_node = 2 !< typical configuration, 2 sockets per node |
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| 150 | LOGICAL :: no_shared_Memory_in_this_run !< |
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[4617] | 151 | |
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| 152 | INTEGER(iwp) :: comm_model !< communicator of this model run |
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[4534] | 153 | ! |
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| 154 | !-- Variables for the shared memory communicator |
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[4617] | 155 | INTEGER(iwp), PUBLIC :: comm_shared !< communicator for processes with shared array |
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[4591] | 156 | INTEGER(iwp), PUBLIC :: sh_npes !< |
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| 157 | INTEGER(iwp), PUBLIC :: sh_rank !< |
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[4534] | 158 | |
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| 159 | LOGICAL, PUBLIC :: iam_io_pe = .TRUE. !< This PE is an IO-PE |
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| 160 | ! |
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| 161 | !-- Variables for the I/O virtual grid |
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[4591] | 162 | INTEGER(iwp), PUBLIC :: comm_io !< Communicator for all IO processes |
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| 163 | INTEGER(iwp), PUBLIC :: io_npes !< |
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| 164 | INTEGER(iwp), PUBLIC :: io_rank !< |
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[4534] | 165 | ! |
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| 166 | !-- Variables for the node local communicator |
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[4591] | 167 | INTEGER(iwp) :: comm_node !< Communicator for all processes of current node |
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| 168 | INTEGER(iwp) :: io_pe_global_rank !< |
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| 169 | INTEGER(iwp) :: n_npes !< |
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| 170 | INTEGER(iwp) :: n_rank !< |
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[4534] | 171 | |
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[4617] | 172 | TYPE(domain_decomposition_grid_features), PUBLIC :: io_grid !< io grid features, depending on reading from prerun or restart run |
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[4534] | 173 | |
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| 174 | |
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[4617] | 175 | CONTAINS |
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| 176 | |
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| 177 | PRIVATE |
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| 178 | |
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| 179 | PROCEDURE, PASS(this), PUBLIC :: is_sm_active |
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| 180 | PROCEDURE, PASS(this), PUBLIC :: sm_adjust_outer_boundary |
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| 181 | PROCEDURE, PASS(this), PUBLIC :: sm_free_shared |
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| 182 | PROCEDURE, PASS(this), PUBLIC :: sm_init_comm |
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| 183 | PROCEDURE, PASS(this), PUBLIC :: sm_init_part |
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| 184 | PROCEDURE, PASS(this), PUBLIC :: sm_node_barrier |
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[4534] | 185 | #if defined( __parallel ) |
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[4617] | 186 | PROCEDURE, PASS(this), PUBLIC :: sm_allocate_shared_1d_64 |
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| 187 | PROCEDURE, PASS(this), PUBLIC :: sm_allocate_shared_1d_32 |
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| 188 | PROCEDURE, PASS(this), PUBLIC :: sm_allocate_shared_1di |
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| 189 | PROCEDURE, PASS(this), PUBLIC :: sm_allocate_shared_2d_64 |
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| 190 | PROCEDURE, PASS(this), PUBLIC :: sm_allocate_shared_2d_32 |
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| 191 | PROCEDURE, PASS(this), PUBLIC :: sm_allocate_shared_2di |
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| 192 | PROCEDURE, PASS(this), PUBLIC :: sm_allocate_shared_3d_64 |
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| 193 | PROCEDURE, PASS(this), PUBLIC :: sm_allocate_shared_3d_32 |
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[4534] | 194 | |
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[4617] | 195 | GENERIC, PUBLIC :: sm_allocate_shared => & |
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| 196 | sm_allocate_shared_1d_64, sm_allocate_shared_1d_32, & |
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| 197 | sm_allocate_shared_2d_64, sm_allocate_shared_2d_32, & |
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| 198 | sm_allocate_shared_2di, sm_allocate_shared_3d_64, & |
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| 199 | sm_allocate_shared_3d_32, sm_allocate_shared_1di |
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[4534] | 200 | #endif |
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| 201 | END TYPE sm_class |
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| 202 | |
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| 203 | |
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[4591] | 204 | CONTAINS |
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[4534] | 205 | |
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| 206 | |
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| 207 | !--------------------------------------------------------------------------------------------------! |
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| 208 | ! Description: |
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| 209 | ! ------------ |
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| 210 | !> Create the communicator for shared memory groups and IO-PEs. |
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| 211 | !> Setup the grid for shared memory IO. |
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| 212 | !--------------------------------------------------------------------------------------------------! |
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[4617] | 213 | SUBROUTINE sm_init_comm( this, sm_active, comm_input ) |
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[4534] | 214 | |
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| 215 | IMPLICIT NONE |
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| 216 | |
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[4617] | 217 | CLASS(sm_class), INTENT(INOUT) :: this !< pointer to access internal variables of this call |
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| 218 | INTEGER, INTENT(IN), OPTIONAL :: comm_input !< main model communicator (comm2d) can optional be set |
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[4534] | 219 | |
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| 220 | #if defined( __parallel ) |
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[4617] | 221 | INTEGER :: color |
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| 222 | INTEGER :: max_n_npes !< maximum number of PEs/node |
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[4534] | 223 | #endif |
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| 224 | |
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[4617] | 225 | LOGICAL, INTENT(IN) :: sm_active !< flag to activate shared-memory IO |
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[4534] | 226 | |
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[4617] | 227 | IF ( PRESENT( comm_input ) ) THEN |
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| 228 | this%comm_model = comm_input |
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| 229 | ELSE |
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| 230 | this%comm_model = comm2d |
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| 231 | ENDIF |
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[4534] | 232 | |
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| 233 | this%no_shared_memory_in_this_run = .NOT. sm_active |
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[4617] | 234 | this%comm_io = this%comm_model ! preset in case of non shared-memory-IO |
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[4534] | 235 | |
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| 236 | IF ( this%no_shared_memory_in_this_run ) THEN |
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| 237 | this%iam_io_pe = .TRUE. |
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| 238 | RETURN |
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| 239 | ENDIF |
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| 240 | |
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| 241 | #if defined( __parallel ) |
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| 242 | ! |
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| 243 | !-- Determine, how many MPI threads are running on a node |
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| 244 | this%iam_io_pe = .FALSE. |
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[4617] | 245 | CALL MPI_COMM_SPLIT_TYPE( this%comm_model, MPI_COMM_TYPE_SHARED, 0, MPI_INFO_NULL, & |
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| 246 | this%comm_node, ierr ) |
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[4534] | 247 | CALL MPI_COMM_SIZE( this%comm_node, this%n_npes, ierr ) |
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| 248 | CALL MPI_COMM_RANK( this%comm_node, this%n_rank, ierr ) |
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| 249 | |
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[4617] | 250 | CALL MPI_ALLREDUCE( this%n_npes, max_n_npes, 1, MPI_INTEGER, MPI_MAX, this%comm_model, ierr ) |
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[4534] | 251 | ! |
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| 252 | !-- Decide, if the configuration can run with shared-memory IO |
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| 253 | IF ( max_n_npes > 64 ) THEN |
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| 254 | ! |
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| 255 | !-- Special configuration on the HLRN-IV system with 4 shared memory blocks/node |
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| 256 | this%nr_io_pe_per_node = 4 |
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| 257 | |
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| 258 | ELSEIF ( max_n_npes <= 32 ) THEN |
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| 259 | ! |
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| 260 | !-- No shared memory IO with less than 32 threads/node |
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| 261 | this%no_shared_memory_in_this_run = .TRUE. |
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| 262 | this%iam_io_pe = .TRUE. |
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| 263 | RETURN |
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| 264 | ENDIF |
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| 265 | |
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| 266 | ! |
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| 267 | !-- No shared memory IO with small setups |
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| 268 | IF ( nx < 24 .OR. ny < 24 ) THEN |
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| 269 | this%no_shared_memory_in_this_run = .TRUE. |
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| 270 | this%iam_io_pe = .TRUE. |
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| 271 | RETURN |
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| 272 | ENDIF |
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| 273 | |
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| 274 | ! |
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| 275 | !-- Divide a node into shared memory groups, depending on the virtual x-y grid |
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| 276 | CALL compute_color( color ) |
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| 277 | ! |
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| 278 | !-- If no shared memory IO possible, nothing is left to be done here. |
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| 279 | IF ( this%no_shared_memory_in_this_run ) RETURN |
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| 280 | |
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| 281 | ! |
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| 282 | !-- Setup the shared memory area |
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| 283 | CALL MPI_COMM_SPLIT( this%comm_node, color, 0, this%comm_shared, ierr ) |
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| 284 | CALL MPI_COMM_SIZE( this%comm_shared, this%sh_npes, ierr ) |
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| 285 | CALL MPI_COMM_RANK( this%comm_shared, this%sh_rank, ierr ) |
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| 286 | |
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| 287 | ! |
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| 288 | !-- Setup the communicator across the nodes depending on the shared memory rank. |
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| 289 | !-- All threads with shared memory rank 0 will be I/O threads. |
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| 290 | color = this%sh_rank |
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[4617] | 291 | CALL MPI_COMM_SPLIT( this%comm_model, color, 0, this%comm_io, ierr ) |
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[4534] | 292 | |
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| 293 | IF ( this%comm_io /= MPI_COMM_NULL ) THEN |
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| 294 | CALL MPI_COMM_SIZE( this%comm_io, this%io_npes, ierr ) |
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| 295 | CALL MPI_COMM_RANK( this%comm_io, this%io_rank, ierr ) |
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| 296 | ELSE |
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| 297 | this%io_npes = -1 |
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| 298 | this%io_rank = -1 |
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| 299 | ENDIF |
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| 300 | |
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| 301 | IF ( this%sh_rank == 0 ) THEN |
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| 302 | this%iam_io_pe = .TRUE. |
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| 303 | this%io_pe_global_rank = myid |
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| 304 | ENDIF |
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| 305 | CALL MPI_BCAST( this%io_pe_global_rank, 1, MPI_INTEGER, 0, this%comm_shared, ierr ) |
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| 306 | |
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| 307 | #else |
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| 308 | this%iam_io_pe = .TRUE. |
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| 309 | #endif |
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| 310 | |
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[4617] | 311 | ! write(9,'(a,8i7)') ' end of sm_init_comm ',this%sh_rank,this%sh_npes,this%io_rank,this%io_npes,this%io_pe_global_rank |
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| 312 | ! write(9,*) 'This process is IO Process ',this%iam_io_pe |
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| 313 | |
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[4534] | 314 | #if defined( __parallel ) |
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| 315 | CONTAINS |
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| 316 | |
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| 317 | SUBROUTINE compute_color( color ) |
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| 318 | |
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| 319 | IMPLICIT NONE |
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| 320 | |
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[4591] | 321 | INTEGER(iwp), INTENT(OUT) :: color !< |
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[4534] | 322 | |
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[4591] | 323 | INTEGER(iwp) :: group_start !< |
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| 324 | INTEGER(iwp) :: my_color !< |
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| 325 | INTEGER(iwp) :: n !< |
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| 326 | INTEGER(iwp) :: pe !< |
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| 327 | INTEGER(iwp) :: sh_group_size !< |
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[4534] | 328 | |
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[4591] | 329 | INTEGER(iwp), DIMENSION(4,0:this%n_npes-1) :: local_dim_s !< |
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| 330 | INTEGER(iwp), DIMENSION(4,0:this%n_npes-1) :: local_dim_r !< |
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[4534] | 331 | |
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[4617] | 332 | TYPE(domain_decomposition_grid_features), DIMENSION(32) :: node_grid !< |
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[4534] | 333 | |
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[4536] | 334 | ! |
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[4591] | 335 | !-- No shared memory I/O on one node jobs |
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[4536] | 336 | IF ( numprocs < this%n_npes ) THEN |
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| 337 | this%no_shared_memory_in_this_run = .TRUE. |
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[4534] | 338 | RETURN |
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| 339 | ENDIF |
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| 340 | |
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| 341 | local_dim_s = 0 |
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| 342 | local_dim_s(1,this%n_rank) = nxl |
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| 343 | local_dim_s(2,this%n_rank) = nxr |
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| 344 | local_dim_s(3,this%n_rank) = nys |
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| 345 | local_dim_s(4,this%n_rank) = nyn |
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| 346 | |
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| 347 | node_grid%nyn = -1 |
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| 348 | ! |
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| 349 | !-- Distribute the x-y layout of all cores of a node to all node processes |
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| 350 | CALL MPI_ALLREDUCE( local_dim_s, local_dim_r, SIZE( local_dim_s ), MPI_INTEGER, MPI_SUM, & |
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| 351 | this%comm_node, ierr ) |
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| 352 | sh_group_size = ( max_n_npes + this%nr_io_pe_per_node - 1 ) / this%nr_io_pe_per_node |
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| 353 | |
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| 354 | pe = 0 |
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| 355 | my_color = 1 ! color is used to split the shared memory communicator into a communicator for |
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| 356 | ! io groups |
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| 357 | group_start = pe |
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| 358 | node_grid(my_color)%nxl = local_dim_r(1,group_start) |
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| 359 | node_grid(my_color)%nxr = local_dim_r(2,group_start) |
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| 360 | node_grid(my_color)%nys = local_dim_r(3,group_start) |
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| 361 | |
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| 362 | DO n = 1, this%n_npes-1 |
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| 363 | |
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| 364 | pe = n |
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| 365 | IF ( n > 0 .AND. MOD( n,sh_group_size ) == 0 ) THEN |
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| 366 | ! |
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| 367 | !-- If group boundary, start new IO group |
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| 368 | node_grid(my_color)%nyn = local_dim_r(4,pe-1) |
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| 369 | my_color = my_color + 1 |
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| 370 | group_start = pe |
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| 371 | node_grid(my_color)%nxl = local_dim_r(1,group_start) |
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| 372 | node_grid(my_color)%nxr = local_dim_r(2,group_start) |
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| 373 | node_grid(my_color)%nys = local_dim_r(3,group_start) |
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| 374 | |
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| 375 | ELSEIF ( local_dim_r(1,pe) /= node_grid(my_color)%nxl ) THEN |
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| 376 | ! |
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| 377 | !-- If nxl changes, start new IO group |
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| 378 | node_grid(my_color)%nyn = local_dim_r(4,pe-1) |
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| 379 | my_color = my_color+1 |
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| 380 | group_start = pe |
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| 381 | node_grid(my_color)%nxl = local_dim_r(1,group_start) |
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| 382 | node_grid(my_color)%nxr = local_dim_r(2,group_start) |
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| 383 | node_grid(my_color)%nys = local_dim_r(3,group_start) |
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| 384 | ENDIF |
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| 385 | ! |
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| 386 | !-- Save values for local PE |
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| 387 | IF ( this%n_rank == pe ) THEN ! |
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| 388 | color = my_color |
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| 389 | ENDIF |
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| 390 | IF ( n == this%n_npes-1 ) node_grid(my_color)%nyn = local_dim_r(4,pe) |
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| 391 | |
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| 392 | ENDDO |
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| 393 | |
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| 394 | IF ( this%n_rank == 0 ) THEN |
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| 395 | color = 1 |
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| 396 | ENDIF |
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| 397 | |
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[4536] | 398 | this%io_grid = node_grid(color) |
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| 399 | this%io_grid%nnx = this%io_grid%nxr - this%io_grid%nxl + 1 |
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| 400 | this%io_grid%nny = this%io_grid%nyn - this%io_grid%nys + 1 |
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| 401 | |
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[4534] | 402 | END SUBROUTINE compute_color |
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| 403 | #endif |
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| 404 | |
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| 405 | END SUBROUTINE sm_init_comm |
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| 406 | |
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| 407 | |
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[4617] | 408 | ! |
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| 409 | !-- TODO: short description required, about the meaning of the following routine |
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| 410 | !-- part must be renamed particles! |
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| 411 | SUBROUTINE sm_init_part( this ) |
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[4534] | 412 | |
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[4617] | 413 | IMPLICIT NONE |
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| 414 | |
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| 415 | CLASS(sm_class), INTENT(INOUT) :: this !< pointer to access internal variables of this call |
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| 416 | |
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| 417 | #if defined( __parallel ) |
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| 418 | INTEGER(iwp) :: color !< |
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| 419 | INTEGER(iwp) :: ierr !< |
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| 420 | INTEGER(iwp) :: max_n_npes !< maximum number of PEs/node |
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[4620] | 421 | #endif |
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[4617] | 422 | |
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| 423 | LOGICAL :: sm_active !< |
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| 424 | |
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| 425 | |
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| 426 | sm_active = .TRUE. ! particle IO always uses shared memory |
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| 427 | this%comm_model = comm2d |
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| 428 | |
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| 429 | this%no_shared_memory_in_this_run = .NOT. sm_active |
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| 430 | this%comm_io = this%comm_model ! preset in case of non shared-memory-IO |
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| 431 | |
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| 432 | IF ( this%no_shared_memory_in_this_run ) THEN |
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| 433 | this%iam_io_pe = .TRUE. |
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| 434 | RETURN |
---|
| 435 | ENDIF |
---|
| 436 | |
---|
| 437 | #if defined( __parallel ) |
---|
| 438 | ! |
---|
| 439 | !-- Determine, how many MPI threads are running on a node |
---|
| 440 | this%iam_io_pe = .FALSE. |
---|
| 441 | CALL MPI_COMM_SPLIT_TYPE( this%comm_model, MPI_COMM_TYPE_SHARED, 0, MPI_INFO_NULL, & |
---|
| 442 | this%comm_node, ierr ) |
---|
| 443 | CALL MPI_COMM_SIZE( this%comm_node, this%n_npes, ierr ) |
---|
| 444 | CALL MPI_COMM_RANK( this%comm_node, this%n_rank, ierr ) |
---|
| 445 | |
---|
| 446 | CALL MPI_ALLREDUCE( this%n_npes, max_n_npes, 1, MPI_INTEGER, MPI_MAX, this%comm_model, ierr ) |
---|
| 447 | |
---|
| 448 | ! |
---|
| 449 | !-- TODO: better explanation |
---|
| 450 | !-- It has to be testet, if using memory blocks for an IO process (MPI shared Memory), or if it is |
---|
| 451 | !-- even better to use the complete node for MPI shared memory (this%nr_io_pe_per_node = 1). |
---|
| 452 | !- In the latter case, the access to the MPI shared memory buffer is slower, the number of |
---|
| 453 | !-- particles to move between threads will be much smaller. |
---|
| 454 | IF ( max_n_npes > 64 ) THEN |
---|
| 455 | ! |
---|
| 456 | !-- Special configuration on the HLRN-IV system with 4 shared memory blocks/node |
---|
| 457 | this%nr_io_pe_per_node = 4 |
---|
| 458 | ENDIF |
---|
| 459 | |
---|
| 460 | IF ( this%nr_io_pe_per_node == 1 ) THEN |
---|
| 461 | ! |
---|
| 462 | !-- This branch is not realized so far |
---|
| 463 | this%iam_io_pe = ( this%n_rank == 0 ) |
---|
| 464 | this%comm_shared = this%comm_node |
---|
| 465 | CALL MPI_COMM_SIZE( this%comm_shared, this%sh_npes, ierr ) |
---|
| 466 | CALL MPI_COMM_RANK( this%comm_shared, this%sh_rank, ierr ) |
---|
| 467 | |
---|
| 468 | ELSEIF( this%nr_io_pe_per_node == 2 ) THEN |
---|
| 469 | |
---|
| 470 | this%iam_io_pe = ( this%n_rank == 0 .OR. this%n_rank == this%n_npes/2 ) |
---|
| 471 | IF ( this%n_rank < this%n_npes/2 ) THEN |
---|
| 472 | color = 1 |
---|
| 473 | ELSE |
---|
| 474 | color = 2 |
---|
| 475 | ENDIF |
---|
| 476 | CALL MPI_COMM_SPLIT( this%comm_node, color, 0, this%comm_shared, ierr ) |
---|
| 477 | CALL MPI_COMM_SIZE( this%comm_shared, this%sh_npes, ierr ) |
---|
| 478 | CALL MPI_COMM_RANK( this%comm_shared, this%sh_rank, ierr ) |
---|
| 479 | |
---|
| 480 | ELSEIF( this%nr_io_pe_per_node == 4 ) THEN |
---|
| 481 | |
---|
| 482 | this%iam_io_pe = ( this%n_rank == 0 .OR. this%n_rank == this%n_npes/4 .OR. & |
---|
| 483 | this%n_rank == this%n_npes/2 .OR. this%n_rank == (3*this%n_npes)/4 ) |
---|
| 484 | IF ( this%n_rank < this%n_npes/4 ) THEN |
---|
| 485 | color = 1 |
---|
| 486 | ELSEIF( this%n_rank < this%n_npes/2 ) THEN |
---|
| 487 | color = 2 |
---|
| 488 | ELSEIF( this%n_rank < (3*this%n_npes)/4 ) THEN |
---|
| 489 | color = 3 |
---|
| 490 | ELSE |
---|
| 491 | color = 4 |
---|
| 492 | ENDIF |
---|
| 493 | CALL MPI_COMM_SPLIT( this%comm_node, color, 0, this%comm_shared, ierr ) |
---|
| 494 | CALL MPI_COMM_SIZE( this%comm_shared, this%sh_npes, ierr ) |
---|
| 495 | CALL MPI_COMM_RANK( this%comm_shared, this%sh_rank, ierr ) |
---|
| 496 | |
---|
| 497 | ELSE |
---|
| 498 | |
---|
| 499 | WRITE( *, * ) 'shared_memory_io_mod: internal error' |
---|
| 500 | WRITE( *, * ) 'only 2 or 4 shared memory groups per node are allowed' |
---|
| 501 | STOP |
---|
| 502 | |
---|
| 503 | ENDIF |
---|
| 504 | |
---|
| 505 | ! |
---|
| 506 | !-- Setup the shared memory area |
---|
| 507 | CALL MPI_COMM_SPLIT( this%comm_node, color, 0, this%comm_shared, ierr ) |
---|
| 508 | CALL MPI_COMM_SIZE( this%comm_shared, this%sh_npes, ierr ) |
---|
| 509 | CALL MPI_COMM_RANK( this%comm_shared, this%sh_rank, ierr ) |
---|
| 510 | |
---|
| 511 | ! |
---|
| 512 | !-- Setup the communicator across the nodes depending on the shared memory rank. |
---|
| 513 | !-- All threads with shared memory rank 0 will be I/O threads. |
---|
| 514 | color = this%sh_rank |
---|
| 515 | CALL MPI_COMM_SPLIT( this%comm_model, color, 0, this%comm_io, ierr ) |
---|
| 516 | |
---|
| 517 | IF ( this%comm_io /= MPI_COMM_NULL ) THEN |
---|
| 518 | CALL MPI_COMM_SIZE( this%comm_io, this%io_npes, ierr ) |
---|
| 519 | CALL MPI_COMM_RANK( this%comm_io, this%io_rank, ierr ) |
---|
| 520 | ELSE |
---|
| 521 | this%io_npes = -1 |
---|
| 522 | this%io_rank = -1 |
---|
| 523 | ENDIF |
---|
| 524 | |
---|
| 525 | IF ( this%sh_rank == 0 ) THEN |
---|
| 526 | this%iam_io_pe = .TRUE. |
---|
| 527 | this%io_pe_global_rank = myid |
---|
| 528 | ENDIF |
---|
| 529 | CALL MPI_BCAST( this%io_pe_global_rank, 1, MPI_INTEGER, 0, this%comm_shared, ierr ) |
---|
| 530 | |
---|
| 531 | #else |
---|
| 532 | this%iam_io_pe = .FALSE. |
---|
| 533 | #endif |
---|
| 534 | |
---|
| 535 | ! write(9,'(a,8i7)') 'sm_init_comm_part ',this%sh_rank,this%sh_npes,this%io_rank,this%io_npes |
---|
| 536 | |
---|
| 537 | END SUBROUTINE sm_init_part |
---|
| 538 | |
---|
[4534] | 539 | !--------------------------------------------------------------------------------------------------! |
---|
| 540 | ! Description: |
---|
| 541 | ! ------------ |
---|
| 542 | !> Function to return if shared Memory IO is active. |
---|
| 543 | !--------------------------------------------------------------------------------------------------! |
---|
[4591] | 544 | FUNCTION is_sm_active( this ) RESULT( ac ) |
---|
[4534] | 545 | |
---|
| 546 | IMPLICIT NONE |
---|
| 547 | |
---|
[4591] | 548 | CLASS(sm_class), INTENT(inout) :: this !< |
---|
[4534] | 549 | |
---|
[4591] | 550 | LOGICAL :: ac !< |
---|
[4534] | 551 | |
---|
| 552 | ac = .NOT. this%no_shared_memory_in_this_run |
---|
| 553 | |
---|
| 554 | END FUNCTION is_sm_active |
---|
| 555 | |
---|
| 556 | |
---|
| 557 | #if defined( __parallel ) |
---|
[4617] | 558 | |
---|
[4534] | 559 | !--------------------------------------------------------------------------------------------------! |
---|
| 560 | ! Description: |
---|
| 561 | ! ------------ |
---|
[4617] | 562 | !> Allocate shared 1d-REAL (64 Bit) array on ALL threads |
---|
[4534] | 563 | !--------------------------------------------------------------------------------------------------! |
---|
[4617] | 564 | SUBROUTINE sm_allocate_shared_1d_64( this, p1, d1, d2, win ) |
---|
[4534] | 565 | |
---|
| 566 | IMPLICIT NONE |
---|
| 567 | |
---|
[4617] | 568 | CLASS(sm_class), INTENT(inout) :: this |
---|
[4534] | 569 | |
---|
[4617] | 570 | INTEGER(iwp) :: disp_unit |
---|
| 571 | INTEGER(iwp), INTENT(IN) :: d1 |
---|
| 572 | INTEGER(iwp), INTENT(IN) :: d2 |
---|
| 573 | INTEGER(iwp), SAVE :: pe_from = 0 |
---|
| 574 | INTEGER(iwp), INTENT(OUT) :: win |
---|
[4534] | 575 | |
---|
[4617] | 576 | INTEGER(KIND=MPI_ADDRESS_KIND) :: rem_size |
---|
| 577 | INTEGER(KIND=MPI_ADDRESS_KIND) :: wsize |
---|
[4534] | 578 | |
---|
[4617] | 579 | INTEGER, DIMENSION(1) :: buf_shape |
---|
[4534] | 580 | |
---|
[4617] | 581 | REAL(dp), DIMENSION(:), POINTER :: buf |
---|
| 582 | REAL(dp), DIMENSION(:), POINTER :: p1 |
---|
[4534] | 583 | |
---|
[4617] | 584 | TYPE(C_PTR), SAVE :: base_ptr |
---|
| 585 | TYPE(C_PTR), SAVE :: rem_ptr |
---|
| 586 | |
---|
| 587 | |
---|
[4534] | 588 | IF ( this%no_shared_memory_in_this_run ) RETURN |
---|
| 589 | ! |
---|
| 590 | !-- Allocate shared memory on node rank 0 threads. |
---|
| 591 | IF ( this%sh_rank == pe_from ) THEN |
---|
| 592 | wsize = d2 - d1 + 1 |
---|
| 593 | ELSE |
---|
| 594 | wsize = 1 |
---|
| 595 | ENDIF |
---|
[4617] | 596 | wsize = wsize * dp ! please note, size is always in bytes, independently of the displacement |
---|
| 597 | ! unit |
---|
| 598 | |
---|
| 599 | CALL MPI_WIN_ALLOCATE_SHARED( wsize, dp, MPI_INFO_NULL, this%comm_shared,base_ptr, win, ierr ) |
---|
| 600 | ! |
---|
| 601 | !-- Get C-pointer of the memory located on node-rank pe_from (sh_rank == pe_from) |
---|
| 602 | CALL MPI_WIN_SHARED_QUERY( win, pe_from, rem_size, disp_unit, rem_ptr, ierr ) |
---|
| 603 | ! |
---|
| 604 | !-- Convert C- to Fortran-pointer |
---|
| 605 | buf_shape(1) = d2 - d1 + 1 |
---|
| 606 | CALL C_F_POINTER( rem_ptr, buf, buf_shape ) |
---|
| 607 | p1(d1:) => buf |
---|
| 608 | ! |
---|
| 609 | !-- Allocate shared memory in round robin on all PEs of a node. |
---|
| 610 | pe_from = MOD( pe_from, this%sh_npes ) |
---|
| 611 | |
---|
| 612 | END SUBROUTINE sm_allocate_shared_1d_64 |
---|
| 613 | |
---|
| 614 | |
---|
| 615 | !--------------------------------------------------------------------------------------------------! |
---|
| 616 | ! Description: |
---|
| 617 | ! ------------ |
---|
| 618 | !> Allocate shared 1d-REAL (32 Bit) array on ALL threads |
---|
| 619 | !--------------------------------------------------------------------------------------------------! |
---|
| 620 | SUBROUTINE sm_allocate_shared_1d_32( this, p1, d1, d2, win ) |
---|
| 621 | |
---|
| 622 | IMPLICIT NONE |
---|
| 623 | |
---|
| 624 | CLASS(sm_class), INTENT(inout) :: this |
---|
| 625 | |
---|
| 626 | INTEGER(iwp) :: disp_unit |
---|
| 627 | INTEGER(iwp), INTENT(IN) :: d1 |
---|
| 628 | INTEGER(iwp), INTENT(IN) :: d2 |
---|
| 629 | INTEGER(iwp), SAVE :: pe_from = 0 |
---|
| 630 | INTEGER(iwp), INTENT(OUT) :: win |
---|
| 631 | |
---|
| 632 | INTEGER(KIND=MPI_ADDRESS_KIND) :: rem_size |
---|
| 633 | INTEGER(KIND=MPI_ADDRESS_KIND) :: wsize |
---|
| 634 | |
---|
| 635 | INTEGER, DIMENSION(1) :: buf_shape |
---|
| 636 | |
---|
| 637 | REAL(sp), DIMENSION(:), POINTER :: buf |
---|
| 638 | REAL(sp), DIMENSION(:), POINTER :: p1 |
---|
| 639 | |
---|
| 640 | TYPE(C_PTR), SAVE :: base_ptr |
---|
| 641 | TYPE(C_PTR), SAVE :: rem_ptr |
---|
| 642 | |
---|
| 643 | |
---|
| 644 | IF ( this%no_shared_memory_in_this_run ) RETURN |
---|
| 645 | ! |
---|
| 646 | !-- Allocate shared memory on node rank 0 threads. |
---|
| 647 | IF ( this%sh_rank == pe_from ) THEN |
---|
| 648 | wsize = d2 - d1 + 1 |
---|
| 649 | ELSE |
---|
| 650 | wsize = 1 |
---|
| 651 | ENDIF |
---|
| 652 | wsize = wsize * sp ! Please note, size is always in bytes, independently of the displacement |
---|
[4534] | 653 | ! unit |
---|
| 654 | |
---|
[4617] | 655 | CALL MPI_WIN_ALLOCATE_SHARED( wsize, sp, MPI_INFO_NULL, this%comm_shared,base_ptr, win, ierr ) |
---|
[4534] | 656 | ! |
---|
| 657 | !-- Get C-pointer of the memory located on node-rank pe_from (sh_rank == pe_from) |
---|
| 658 | CALL MPI_WIN_SHARED_QUERY( win, pe_from, rem_size, disp_unit, rem_ptr, ierr ) |
---|
| 659 | ! |
---|
| 660 | !-- Convert C- to Fortran-pointer |
---|
| 661 | buf_shape(1) = d2 - d1 + 1 |
---|
| 662 | CALL C_F_POINTER( rem_ptr, buf, buf_shape ) |
---|
| 663 | p1(d1:) => buf |
---|
| 664 | ! |
---|
| 665 | !-- Allocate shared memory in round robin on all PEs of a node. |
---|
| 666 | pe_from = MOD( pe_from, this%sh_npes ) |
---|
| 667 | |
---|
[4617] | 668 | END SUBROUTINE sm_allocate_shared_1d_32 |
---|
[4534] | 669 | |
---|
| 670 | |
---|
| 671 | !--------------------------------------------------------------------------------------------------! |
---|
| 672 | ! Description: |
---|
| 673 | ! ------------ |
---|
[4617] | 674 | !> Allocate shared 1d-INTEGER array on ALL threads |
---|
[4534] | 675 | !--------------------------------------------------------------------------------------------------! |
---|
[4617] | 676 | SUBROUTINE sm_allocate_shared_1di( this, p1, d1, d2, win ) |
---|
[4534] | 677 | |
---|
| 678 | IMPLICIT NONE |
---|
| 679 | |
---|
[4617] | 680 | CLASS(sm_class), INTENT(inout) :: this |
---|
[4534] | 681 | |
---|
[4617] | 682 | INTEGER(iwp) :: disp_unit |
---|
| 683 | INTEGER(iwp), INTENT(IN) :: d1 |
---|
| 684 | INTEGER(iwp), INTENT(IN) :: d2 |
---|
| 685 | INTEGER(iwp), SAVE :: pe_from = 0 |
---|
| 686 | INTEGER(iwp), INTENT(OUT) :: win |
---|
[4534] | 687 | |
---|
[4617] | 688 | INTEGER(KIND=MPI_ADDRESS_KIND) :: rem_size |
---|
| 689 | INTEGER(KIND=MPI_ADDRESS_KIND) :: wsize |
---|
[4534] | 690 | |
---|
[4617] | 691 | INTEGER, DIMENSION(1) :: buf_shape |
---|
[4534] | 692 | |
---|
[4617] | 693 | INTEGER(iwp), DIMENSION(:), POINTER :: buf |
---|
| 694 | INTEGER(iwp), DIMENSION(:), POINTER :: p1 |
---|
[4534] | 695 | |
---|
[4617] | 696 | TYPE(C_PTR), SAVE :: base_ptr |
---|
| 697 | TYPE(C_PTR), SAVE :: rem_ptr |
---|
[4534] | 698 | |
---|
[4617] | 699 | |
---|
[4534] | 700 | IF ( this%no_shared_memory_in_this_run ) RETURN |
---|
| 701 | ! |
---|
| 702 | !-- Allocate shared memory on node rank 0 threads. |
---|
| 703 | IF ( this%sh_rank == pe_from ) THEN |
---|
[4617] | 704 | wsize = d2 - d1 + 1 |
---|
| 705 | ELSE |
---|
| 706 | wsize = 1 |
---|
| 707 | ENDIF |
---|
| 708 | wsize = wsize * iwp ! Please note, size is always in bytes, independently of the displacement |
---|
| 709 | ! unit |
---|
| 710 | |
---|
| 711 | CALL MPI_WIN_ALLOCATE_SHARED( wsize, iwp, MPI_INFO_NULL, this%comm_shared,base_ptr, win, ierr ) |
---|
| 712 | ! |
---|
| 713 | !-- Get C-pointer of the memory located on node-rank pe_from (sh_rank == pe_from) |
---|
| 714 | CALL MPI_WIN_SHARED_QUERY( win, pe_from, rem_size, disp_unit, rem_ptr, ierr ) |
---|
| 715 | ! |
---|
| 716 | !-- Convert C- to Fortran-pointer |
---|
| 717 | buf_shape(1) = d2 - d1 + 1 |
---|
| 718 | CALL C_F_POINTER( rem_ptr, buf, buf_shape ) |
---|
| 719 | p1(d1:) => buf |
---|
| 720 | ! |
---|
| 721 | !-- Allocate shared memory in round robin on all PEs of a node. |
---|
| 722 | pe_from = MOD( pe_from, this%sh_npes ) |
---|
| 723 | |
---|
| 724 | END SUBROUTINE sm_allocate_shared_1di |
---|
| 725 | |
---|
| 726 | |
---|
| 727 | !--------------------------------------------------------------------------------------------------! |
---|
| 728 | ! Description: |
---|
| 729 | ! ------------ |
---|
| 730 | !> Allocate shared 2d-REAL array on ALL threads (64 Bit) |
---|
| 731 | !--------------------------------------------------------------------------------------------------! |
---|
| 732 | SUBROUTINE sm_allocate_shared_2d_64( this, p2, n_nxlg, n_nxrg, n_nysg, n_nyng, win ) |
---|
| 733 | |
---|
| 734 | IMPLICIT NONE |
---|
| 735 | |
---|
| 736 | CLASS(sm_class), INTENT(INOUT) :: this |
---|
| 737 | |
---|
| 738 | INTEGER(iwp) :: disp_unit |
---|
| 739 | INTEGER(iwp), INTENT(IN) :: n_nxlg |
---|
| 740 | INTEGER(iwp), INTENT(IN) :: n_nxrg |
---|
| 741 | INTEGER(iwp), INTENT(IN) :: n_nyng |
---|
| 742 | INTEGER(iwp), INTENT(IN) :: n_nysg |
---|
| 743 | INTEGER(iwp), SAVE :: pe_from = 0 |
---|
| 744 | INTEGER(iwp), INTENT(OUT) :: win |
---|
| 745 | |
---|
| 746 | INTEGER(KIND=MPI_ADDRESS_KIND) :: rem_size |
---|
| 747 | INTEGER(KIND=MPI_ADDRESS_KIND) :: wsize |
---|
| 748 | |
---|
| 749 | INTEGER(iwp), DIMENSION(2) :: buf_shape |
---|
| 750 | |
---|
| 751 | REAL(dp), DIMENSION(:,:), POINTER :: buf |
---|
| 752 | REAL(dp), DIMENSION(:,:), POINTER :: p2 |
---|
| 753 | |
---|
| 754 | TYPE(C_PTR), SAVE :: base_ptr |
---|
| 755 | TYPE(C_PTR), SAVE :: rem_ptr |
---|
| 756 | |
---|
| 757 | |
---|
| 758 | IF ( this%no_shared_memory_in_this_run ) RETURN |
---|
| 759 | ! |
---|
| 760 | !-- Allocate shared memory on node rank 0 threads. |
---|
| 761 | IF ( this%sh_rank == pe_from ) THEN |
---|
[4534] | 762 | wsize = ( n_nyng - n_nysg + 1 ) * ( n_nxrg - n_nxlg + 1 ) |
---|
| 763 | ELSE |
---|
| 764 | wsize = 1 |
---|
| 765 | ENDIF |
---|
| 766 | |
---|
[4617] | 767 | wsize = wsize * dp ! Please note, size is always in bytes, independently of the displacement |
---|
| 768 | ! unit |
---|
[4534] | 769 | |
---|
| 770 | CALL MPI_WIN_ALLOCATE_SHARED( wsize, 8, MPI_INFO_NULL, this%comm_shared, base_ptr, win, ierr ) |
---|
| 771 | ! |
---|
| 772 | !-- Get C-pointer of the memory located on node-rank pe_from (sh_rank == pe_from) |
---|
| 773 | CALL MPI_WIN_SHARED_QUERY( win, pe_from, rem_size, disp_unit, rem_ptr, ierr ) |
---|
| 774 | ! |
---|
| 775 | !-- Convert C- to Fortran-pointer |
---|
| 776 | buf_shape(2) = n_nyng - n_nysg + 1 |
---|
| 777 | buf_shape(1) = n_nxrg - n_nxlg + 1 |
---|
| 778 | CALL C_F_POINTER( rem_ptr, buf, buf_shape ) |
---|
| 779 | p2(n_nxlg:, n_nysg:) => buf |
---|
| 780 | ! |
---|
| 781 | !-- Allocate shared memory in round robin on all PEs of a node. |
---|
| 782 | pe_from = MOD( pe_from, this%sh_npes ) |
---|
| 783 | |
---|
[4617] | 784 | END SUBROUTINE sm_allocate_shared_2d_64 |
---|
[4534] | 785 | |
---|
| 786 | |
---|
| 787 | !--------------------------------------------------------------------------------------------------! |
---|
| 788 | ! Description: |
---|
| 789 | ! ------------ |
---|
[4617] | 790 | !> Allocate shared 2d-REAL (32 Bit) array on ALL threads |
---|
| 791 | !--------------------------------------------------------------------------------------------------! |
---|
| 792 | SUBROUTINE sm_allocate_shared_2d_32( this, p2, n_nxlg, n_nxrg, n_nysg, n_nyng, win ) |
---|
| 793 | |
---|
| 794 | IMPLICIT NONE |
---|
| 795 | |
---|
| 796 | CLASS(sm_class), INTENT(INOUT) :: this |
---|
| 797 | |
---|
| 798 | INTEGER(iwp) :: disp_unit |
---|
| 799 | INTEGER(iwp), INTENT(IN) :: n_nxlg |
---|
| 800 | INTEGER(iwp), INTENT(IN) :: n_nxrg |
---|
| 801 | INTEGER(iwp), INTENT(IN) :: n_nyng |
---|
| 802 | INTEGER(iwp), INTENT(IN) :: n_nysg |
---|
| 803 | INTEGER(iwp), SAVE :: pe_from = 0 |
---|
| 804 | INTEGER(iwp), INTENT(OUT) :: win |
---|
| 805 | |
---|
| 806 | INTEGER(KIND=MPI_ADDRESS_KIND) :: rem_size |
---|
| 807 | INTEGER(KIND=MPI_ADDRESS_KIND) :: wsize |
---|
| 808 | |
---|
| 809 | INTEGER(iwp), DIMENSION(2) :: buf_shape |
---|
| 810 | |
---|
| 811 | REAL(sp), DIMENSION(:,:), POINTER :: buf |
---|
| 812 | REAL(sp), DIMENSION(:,:), POINTER :: p2 |
---|
| 813 | |
---|
| 814 | TYPE(C_PTR), SAVE :: base_ptr |
---|
| 815 | TYPE(C_PTR), SAVE :: rem_ptr |
---|
| 816 | |
---|
| 817 | |
---|
| 818 | IF ( this%no_shared_memory_in_this_run ) RETURN |
---|
| 819 | ! |
---|
| 820 | !-- Allocate shared memory on node rank 0 threads. |
---|
| 821 | IF ( this%sh_rank == pe_from ) THEN |
---|
| 822 | wsize = ( n_nyng - n_nysg + 1 ) * ( n_nxrg - n_nxlg + 1 ) |
---|
| 823 | ELSE |
---|
| 824 | wsize = 1 |
---|
| 825 | ENDIF |
---|
| 826 | |
---|
| 827 | wsize = wsize * sp ! Please note, size is always in bytes, independently of the displacement |
---|
| 828 | ! unit |
---|
| 829 | |
---|
| 830 | CALL MPI_WIN_ALLOCATE_SHARED( wsize, dp, MPI_INFO_NULL, this%comm_shared, base_ptr, win, ierr ) |
---|
| 831 | ! |
---|
| 832 | !-- Get C-pointer of the memory located on node-rank pe_from (sh_rank == pe_from) |
---|
| 833 | CALL MPI_WIN_SHARED_QUERY( win, pe_from, rem_size, disp_unit, rem_ptr, ierr ) |
---|
| 834 | ! |
---|
| 835 | !-- Convert C- to Fortran-pointer |
---|
| 836 | buf_shape(2) = n_nyng - n_nysg + 1 |
---|
| 837 | buf_shape(1) = n_nxrg - n_nxlg + 1 |
---|
| 838 | CALL C_F_POINTER( rem_ptr, buf, buf_shape ) |
---|
| 839 | p2(n_nxlg:, n_nysg:) => buf |
---|
| 840 | ! |
---|
| 841 | !-- Allocate shared memory in round robin on all PEs of a node. |
---|
| 842 | pe_from = MOD( pe_from, this%sh_npes ) |
---|
| 843 | |
---|
| 844 | END SUBROUTINE sm_allocate_shared_2d_32 |
---|
| 845 | |
---|
| 846 | |
---|
| 847 | !--------------------------------------------------------------------------------------------------! |
---|
| 848 | ! Description: |
---|
| 849 | ! ------------ |
---|
[4534] | 850 | !> Allocate shared 2d-INTEGER array on ALL threads |
---|
| 851 | !--------------------------------------------------------------------------------------------------! |
---|
| 852 | SUBROUTINE sm_allocate_shared_2di( this, p2i, n_nxlg, n_nxrg, n_nysg, n_nyng, win ) |
---|
| 853 | |
---|
| 854 | IMPLICIT NONE |
---|
| 855 | |
---|
[4591] | 856 | CLASS(sm_class), INTENT(inout) :: this !< |
---|
[4534] | 857 | |
---|
[4591] | 858 | INTEGER(iwp) :: disp_unit !< |
---|
| 859 | INTEGER(iwp), INTENT(IN) :: n_nxlg !< |
---|
| 860 | INTEGER(iwp), INTENT(IN) :: n_nxrg !< |
---|
| 861 | INTEGER(iwp), INTENT(IN) :: n_nyng !< |
---|
| 862 | INTEGER(iwp), INTENT(IN) :: n_nysg !< |
---|
| 863 | INTEGER(iwp), SAVE :: pe_from = 0 !< |
---|
[4617] | 864 | INTEGER(iwp), INTENT(OUT) :: win !< |
---|
| 865 | |
---|
[4591] | 866 | INTEGER(kind=MPI_ADDRESS_KIND) :: rem_size !< |
---|
| 867 | INTEGER(kind=MPI_ADDRESS_KIND) :: wsize !< |
---|
[4534] | 868 | |
---|
[4591] | 869 | INTEGER(iwp), DIMENSION(2) :: buf_shape !< |
---|
[4534] | 870 | |
---|
[4591] | 871 | INTEGER(iwp), DIMENSION(:,:), POINTER :: buf !< |
---|
| 872 | INTEGER(iwp), DIMENSION(:,:), POINTER :: p2i !< |
---|
[4534] | 873 | |
---|
[4617] | 874 | TYPE(C_PTR), SAVE :: base_ptr !< |
---|
| 875 | TYPE(C_PTR), SAVE :: rem_ptr !< |
---|
[4534] | 876 | |
---|
| 877 | |
---|
| 878 | IF ( this%no_shared_memory_in_this_run ) RETURN |
---|
| 879 | ! |
---|
| 880 | !-- Allocate shared memory on node rank 0 threads. |
---|
| 881 | IF ( this%sh_rank == pe_from ) THEN |
---|
| 882 | wsize = ( n_nyng - n_nysg + 1 ) * ( n_nxrg - n_nxlg + 1 ) |
---|
| 883 | ELSE |
---|
| 884 | wsize = 1 |
---|
| 885 | ENDIF |
---|
| 886 | |
---|
| 887 | wsize = wsize * 4 ! Please note, size is always in bytes, independently of the displacement |
---|
| 888 | ! unit |
---|
| 889 | |
---|
| 890 | CALL MPI_WIN_ALLOCATE_SHARED( wsize, 4, MPI_INFO_NULL, this%comm_shared, base_ptr, win, ierr ) |
---|
| 891 | ! |
---|
| 892 | !-- Get C-pointer of the memory located on node-rank pe_from (sh_rank == pe_from) |
---|
| 893 | CALL MPI_WIN_SHARED_QUERY( win, pe_from, rem_size, disp_unit, rem_ptr, ierr ) |
---|
| 894 | ! |
---|
| 895 | !-- Convert C- to Fortran-pointer |
---|
| 896 | buf_shape(2) = n_nyng - n_nysg + 1 |
---|
| 897 | buf_shape(1) = n_nxrg - n_nxlg + 1 |
---|
| 898 | CALL C_F_POINTER( rem_ptr, buf, buf_shape ) |
---|
| 899 | p2i(n_nxlg:, n_nysg:) => buf |
---|
| 900 | ! |
---|
| 901 | !-- Allocate shared memory in round robin on all PEs of a node. |
---|
| 902 | pe_from = MOD( pe_from, this%sh_npes ) |
---|
| 903 | |
---|
| 904 | END SUBROUTINE sm_allocate_shared_2di |
---|
| 905 | |
---|
| 906 | |
---|
| 907 | !--------------------------------------------------------------------------------------------------! |
---|
| 908 | ! Description: |
---|
| 909 | ! ------------ |
---|
[4617] | 910 | !> Allocate shared 3d-REAL (64 Bit) array on ALL threads |
---|
[4534] | 911 | !--------------------------------------------------------------------------------------------------! |
---|
[4617] | 912 | SUBROUTINE sm_allocate_shared_3d_64( this, p3, d1s, d1e, d2s, d2e, d3s, d3e, win ) |
---|
[4534] | 913 | |
---|
| 914 | IMPLICIT NONE |
---|
| 915 | |
---|
[4591] | 916 | CLASS(sm_class), INTENT(inout) :: this !< |
---|
[4534] | 917 | |
---|
[4591] | 918 | INTEGER :: disp_unit !< |
---|
| 919 | INTEGER, INTENT(IN) :: d1e !< |
---|
| 920 | INTEGER, INTENT(IN) :: d1s !< |
---|
| 921 | INTEGER, INTENT(IN) :: d2e !< |
---|
| 922 | INTEGER, INTENT(IN) :: d2s !< |
---|
| 923 | INTEGER, INTENT(IN) :: d3e !< |
---|
| 924 | INTEGER, INTENT(IN) :: d3s !< |
---|
| 925 | INTEGER, SAVE :: pe_from = 0 !< |
---|
[4617] | 926 | INTEGER, INTENT(OUT) :: win !< |
---|
| 927 | |
---|
[4591] | 928 | INTEGER(KIND=MPI_ADDRESS_KIND) :: rem_size !< |
---|
| 929 | INTEGER(KIND=MPI_ADDRESS_KIND) :: wsize !< |
---|
[4534] | 930 | |
---|
[4591] | 931 | INTEGER, DIMENSION(3) :: buf_shape !< |
---|
[4534] | 932 | |
---|
[4617] | 933 | REAL(dp), DIMENSION(:,:,:), POINTER :: buf !< |
---|
| 934 | REAL(dp), DIMENSION(:,:,:), POINTER :: p3 !< |
---|
[4534] | 935 | |
---|
[4591] | 936 | TYPE(C_PTR), SAVE :: base_ptr !< |
---|
| 937 | TYPE(C_PTR), SAVE :: rem_ptr !< |
---|
[4534] | 938 | |
---|
| 939 | |
---|
| 940 | IF ( this%no_shared_memory_in_this_run ) RETURN |
---|
| 941 | ! |
---|
| 942 | !-- Allocate shared memory on node rank 0 threads. |
---|
| 943 | IF ( this%sh_rank == pe_from ) THEN |
---|
| 944 | wsize = ( d3e - d3s + 1 ) * ( d2e - d2s + 1 ) * ( d1e - d1s + 1 ) |
---|
| 945 | ELSE |
---|
| 946 | wsize = 1 |
---|
| 947 | ENDIF |
---|
| 948 | |
---|
[4617] | 949 | wsize = wsize * dp ! Please note, size is always in bytes, independently of the displacement |
---|
[4534] | 950 | ! unit |
---|
| 951 | |
---|
[4617] | 952 | CALL MPI_WIN_ALLOCATE_SHARED( wsize, dp, MPI_INFO_NULL, this%comm_shared, base_ptr, win, ierr ) |
---|
[4534] | 953 | ! |
---|
| 954 | !-- Get C-pointer of the memory located on node-rank pe_from (sh_rank == pe_from) |
---|
| 955 | CALL MPI_WIN_SHARED_QUERY( win, pe_from, rem_size, disp_unit, rem_ptr, ierr ) |
---|
| 956 | ! |
---|
| 957 | !-- Convert C- to Fortran-pointer |
---|
| 958 | buf_shape(3) = d3e - d3s + 1 |
---|
| 959 | buf_shape(2) = d2e - d2s + 1 |
---|
| 960 | buf_shape(1) = d1e - d1s + 1 |
---|
| 961 | CALL C_F_POINTER( rem_ptr, buf, buf_shape ) |
---|
| 962 | p3(d1s:,d2s:,d3s:) => buf |
---|
| 963 | ! |
---|
| 964 | !-- Allocate shared memory in round robin on all PEs of a node. |
---|
| 965 | pe_from = MOD( pe_from, this%sh_npes ) |
---|
| 966 | |
---|
[4617] | 967 | END SUBROUTINE sm_allocate_shared_3d_64 |
---|
| 968 | |
---|
| 969 | |
---|
| 970 | !--------------------------------------------------------------------------------------------------! |
---|
| 971 | ! Description: |
---|
| 972 | ! ------------ |
---|
| 973 | !> Allocate shared 3d-REAL (32 Bit) array on ALL threads |
---|
| 974 | !--------------------------------------------------------------------------------------------------! |
---|
| 975 | SUBROUTINE sm_allocate_shared_3d_32( this, p3, d1s, d1e, d2s, d2e, d3s, d3e, win ) |
---|
| 976 | |
---|
| 977 | IMPLICIT NONE |
---|
| 978 | |
---|
| 979 | CLASS(sm_class), INTENT(inout) :: this |
---|
| 980 | |
---|
| 981 | INTEGER :: disp_unit |
---|
| 982 | INTEGER, INTENT(IN) :: d1e |
---|
| 983 | INTEGER, INTENT(IN) :: d1s |
---|
| 984 | INTEGER, INTENT(IN) :: d2e |
---|
| 985 | INTEGER, INTENT(IN) :: d2s |
---|
| 986 | INTEGER, INTENT(IN) :: d3e |
---|
| 987 | INTEGER, INTENT(IN) :: d3s |
---|
| 988 | INTEGER, SAVE :: pe_from = 0 |
---|
| 989 | INTEGER, INTENT(OUT) :: win |
---|
| 990 | |
---|
| 991 | INTEGER(KIND=MPI_ADDRESS_KIND) :: rem_size |
---|
| 992 | INTEGER(KIND=MPI_ADDRESS_KIND) :: wsize |
---|
| 993 | |
---|
| 994 | INTEGER, DIMENSION(3) :: buf_shape |
---|
| 995 | |
---|
| 996 | REAL(sp), DIMENSION(:,:,:), POINTER :: buf |
---|
| 997 | REAL(sp), DIMENSION(:,:,:), POINTER :: p3 |
---|
| 998 | |
---|
| 999 | TYPE(C_PTR), SAVE :: base_ptr |
---|
| 1000 | TYPE(C_PTR), SAVE :: rem_ptr |
---|
| 1001 | |
---|
| 1002 | |
---|
| 1003 | IF ( this%no_shared_memory_in_this_run ) RETURN |
---|
| 1004 | ! |
---|
| 1005 | !-- Allocate shared memory on node rank 0 threads. |
---|
| 1006 | IF ( this%sh_rank == pe_from ) THEN |
---|
| 1007 | wsize = ( d3e - d3s + 1 ) * ( d2e - d2s + 1 ) * ( d1e - d1s + 1 ) |
---|
| 1008 | ELSE |
---|
| 1009 | wsize = 1 |
---|
| 1010 | ENDIF |
---|
| 1011 | |
---|
| 1012 | wsize = wsize * sp ! Please note, size is always in bytes, independently of the displacement |
---|
| 1013 | ! unit |
---|
| 1014 | |
---|
| 1015 | CALL MPI_WIN_ALLOCATE_SHARED( wsize, sp, MPI_INFO_NULL, this%comm_shared, base_ptr, win, ierr ) |
---|
| 1016 | ! |
---|
| 1017 | !-- Get C-pointer of the memory located on node-rank pe_from (sh_rank == pe_from) |
---|
| 1018 | CALL MPI_WIN_SHARED_QUERY( win, pe_from, rem_size, disp_unit, rem_ptr, ierr ) |
---|
| 1019 | ! |
---|
| 1020 | !-- Convert C- to Fortran-pointer |
---|
| 1021 | buf_shape(3) = d3e - d3s + 1 |
---|
| 1022 | buf_shape(2) = d2e - d2s + 1 |
---|
| 1023 | buf_shape(1) = d1e - d1s + 1 |
---|
| 1024 | CALL C_F_POINTER( rem_ptr, buf, buf_shape ) |
---|
| 1025 | p3(d1s:,d2s:,d3s:) => buf |
---|
| 1026 | ! |
---|
| 1027 | !-- Allocate shared memory in round robin on all PEs of a node. |
---|
| 1028 | pe_from = MOD( pe_from, this%sh_npes ) |
---|
| 1029 | |
---|
| 1030 | END SUBROUTINE sm_allocate_shared_3d_32 |
---|
| 1031 | |
---|
[4534] | 1032 | #endif |
---|
| 1033 | |
---|
| 1034 | |
---|
| 1035 | !--------------------------------------------------------------------------------------------------! |
---|
| 1036 | ! Description: |
---|
| 1037 | ! ------------ |
---|
| 1038 | !> ??? |
---|
| 1039 | !--------------------------------------------------------------------------------------------------! |
---|
| 1040 | SUBROUTINE sm_adjust_outer_boundary( this ) |
---|
| 1041 | |
---|
| 1042 | IMPLICIT NONE |
---|
| 1043 | |
---|
[4591] | 1044 | CLASS(sm_class), INTENT(inout) :: this !< |
---|
[4534] | 1045 | |
---|
| 1046 | |
---|
| 1047 | IF ( this%no_shared_memory_in_this_run ) RETURN |
---|
| 1048 | |
---|
| 1049 | IF ( this%io_grid%nxl == 0 ) THEN |
---|
| 1050 | this%io_grid%nxl = this%io_grid%nxl - nbgp |
---|
| 1051 | this%io_grid%nnx = this%io_grid%nnx + nbgp |
---|
| 1052 | ENDIF |
---|
| 1053 | |
---|
| 1054 | IF ( this%io_grid%nxr == nx .OR. npex == -1 ) THEN ! npex == -1 if -D__parallel not set |
---|
| 1055 | this%io_grid%nxr = this%io_grid%nxr + nbgp |
---|
| 1056 | this%io_grid%nnx = this%io_grid%nnx + nbgp |
---|
| 1057 | ENDIF |
---|
| 1058 | |
---|
| 1059 | IF ( this%io_grid%nys == 0 ) THEN |
---|
| 1060 | this%io_grid%nys = this%io_grid%nys - nbgp |
---|
| 1061 | this%io_grid%nny = this%io_grid%nny + nbgp |
---|
| 1062 | ENDIF |
---|
| 1063 | |
---|
| 1064 | IF ( this%io_grid%nyn == ny .OR. npey == -1 ) THEN ! npey == -1 if -D__parallel not set |
---|
| 1065 | this%io_grid%nyn = this%io_grid%nyn + nbgp |
---|
| 1066 | this%io_grid%nny = this%io_grid%nny + nbgp |
---|
| 1067 | ENDIF |
---|
| 1068 | |
---|
| 1069 | this%io_grid%nxl = this%io_grid%nxl + nbgp |
---|
| 1070 | this%io_grid%nxr = this%io_grid%nxr + nbgp |
---|
| 1071 | this%io_grid%nys = this%io_grid%nys + nbgp |
---|
| 1072 | this%io_grid%nyn = this%io_grid%nyn + nbgp |
---|
| 1073 | this%io_grid%nnx = this%io_grid%nnx |
---|
| 1074 | this%io_grid%nny = this%io_grid%nny |
---|
| 1075 | |
---|
| 1076 | END SUBROUTINE sm_adjust_outer_boundary |
---|
| 1077 | |
---|
| 1078 | |
---|
| 1079 | !--------------------------------------------------------------------------------------------------! |
---|
| 1080 | ! Description: |
---|
| 1081 | ! ------------ |
---|
| 1082 | !> Deallocate shared aray and free related window. |
---|
| 1083 | !--------------------------------------------------------------------------------------------------! |
---|
| 1084 | SUBROUTINE sm_free_shared( this, win ) |
---|
| 1085 | |
---|
| 1086 | IMPLICIT NONE |
---|
| 1087 | |
---|
[4591] | 1088 | CLASS(sm_class), INTENT(inout) :: this !< |
---|
[4534] | 1089 | |
---|
[4591] | 1090 | INTEGER(iwp), INTENT(INOUT) :: win !< |
---|
[4534] | 1091 | |
---|
[4617] | 1092 | IF ( this%no_shared_memory_in_this_run ) RETURN |
---|
[4534] | 1093 | #if defined( __parallel ) |
---|
| 1094 | CALL MPI_WIN_FREE( win, ierr ) |
---|
| 1095 | #endif |
---|
[4617] | 1096 | win = -1 |
---|
[4534] | 1097 | |
---|
| 1098 | END SUBROUTINE sm_free_shared |
---|
| 1099 | |
---|
| 1100 | |
---|
| 1101 | !--------------------------------------------------------------------------------------------------! |
---|
| 1102 | ! Description: |
---|
| 1103 | ! ------------ |
---|
| 1104 | !> ... |
---|
| 1105 | !--------------------------------------------------------------------------------------------------! |
---|
| 1106 | SUBROUTINE sm_node_barrier( this ) |
---|
| 1107 | |
---|
| 1108 | IMPLICIT NONE |
---|
| 1109 | |
---|
[4591] | 1110 | CLASS(sm_class), INTENT(inout) :: this !< |
---|
[4534] | 1111 | |
---|
| 1112 | |
---|
| 1113 | IF ( this%no_shared_memory_in_this_run ) RETURN |
---|
| 1114 | |
---|
| 1115 | #if defined( __parallel ) |
---|
| 1116 | CALL MPI_BARRIER( this%comm_shared, ierr ) |
---|
| 1117 | #endif |
---|
| 1118 | |
---|
| 1119 | END SUBROUTINE sm_node_barrier |
---|
| 1120 | |
---|
[4617] | 1121 | |
---|
| 1122 | SUBROUTINE save_grid_into_this_class( this ) |
---|
| 1123 | |
---|
| 1124 | IMPLICIT NONE |
---|
| 1125 | |
---|
| 1126 | CLASS(domain_decomposition_grid_features), INTENT(inout) :: this !< |
---|
| 1127 | |
---|
| 1128 | this%myid = myid !< |
---|
| 1129 | this%nnx = nnx !< |
---|
| 1130 | this%nny = nny !< |
---|
| 1131 | this%nx = nx !< |
---|
| 1132 | this%nxl = nxl !< |
---|
| 1133 | this%nxr = nxr !< |
---|
| 1134 | this%ny = ny !< |
---|
| 1135 | this%nyn = nyn !< |
---|
| 1136 | this%nys = nys !< |
---|
| 1137 | this%numprocs = numprocs !< |
---|
| 1138 | this%comm2d = comm2d !< |
---|
| 1139 | |
---|
| 1140 | END SUBROUTINE save_grid_into_this_class |
---|
| 1141 | |
---|
| 1142 | |
---|
| 1143 | SUBROUTINE activate_grid_from_this_class( this ) |
---|
| 1144 | |
---|
| 1145 | IMPLICIT NONE |
---|
| 1146 | |
---|
| 1147 | CLASS(domain_decomposition_grid_features), INTENT(inout) :: this !< |
---|
| 1148 | |
---|
| 1149 | myid = this%myid !< |
---|
| 1150 | nnx = this%nnx !< |
---|
| 1151 | nny = this%nny !< |
---|
| 1152 | nx = this%nx !< |
---|
| 1153 | nxl = this%nxl !< |
---|
| 1154 | nxr = this%nxr !< |
---|
| 1155 | ny = this%ny !< |
---|
| 1156 | nyn = this%nyn !< |
---|
| 1157 | nys = this%nys !< |
---|
| 1158 | numprocs = this%numprocs !< |
---|
| 1159 | comm2d = this%comm2d !< |
---|
| 1160 | |
---|
| 1161 | END SUBROUTINE activate_grid_from_this_class |
---|
| 1162 | |
---|
[4534] | 1163 | END MODULE shared_memory_io_mod |
---|