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message_passing.F
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!--------------------------------------------------------------------------------------------------!
! CP2K: A general program to perform molecular dynamics simulations !
! Copyright 2000-2025 CP2K developers group <https://cp2k.org> !
! !
! SPDX-License-Identifier: GPL-2.0-or-later !
!--------------------------------------------------------------------------------------------------!
! **************************************************************************************************
!> \brief Interface to the message passing library MPI
!> \par History
!> JGH (02-Jan-2001): New error handling
!> Performance tools
!> JGH (14-Jan-2001): New routines mp_comm_compare, mp_cart_coords,
!> mp_rank_compare, mp_alltoall
!> JGH (06-Feb-2001): New routines mp_comm_free
!> JGH (22-Mar-2001): New routines mp_comm_dup
!> fawzi (04-NOV-2004): storable performance info (for f77 interface)
!> Wrapper routine for mpi_gatherv added (22.12.2005,MK)
!> JGH (13-Feb-2006): Flexible precision
!> JGH (15-Feb-2006): single precision mp_alltoall
!> \author JGH
! **************************************************************************************************
MODULE message_passing
USE ISO_C_BINDING, ONLY: C_F_POINTER, &
C_PTR
USE kinds, ONLY: &
dp, int_4, int_4_size, int_8, int_8_size, real_4, real_4_size, real_8, &
real_8_size, default_string_length
USE machine, ONLY: m_abort
USE mp_perf_env, ONLY: add_perf, &
add_mp_perf_env, rm_mp_perf_env
#include "../base/base_uses.f90"
! To simplify the transition between the old MPI module and the F08-style module, we introduce these constants to switch between the required handle types
! Unfortunately, Fortran does not offer something like typedef in C++
#if defined(__parallel) && defined(__MPI_F08)
#define MPI_DATA_TYPE TYPE(MPI_Datatype)
#define MPI_COMM_TYPE TYPE(MPI_Comm)
#define MPI_REQUEST_TYPE TYPE(MPI_Request)
#define MPI_WIN_TYPE TYPE(MPI_Win)
#define MPI_FILE_TYPE TYPE(MPI_File)
#define MPI_INFO_TYPE TYPE(MPI_Info)
#define MPI_STATUS_TYPE TYPE(MPI_Status)
#define MPI_GROUP_TYPE TYPE(MPI_Group)
#define MPI_STATUS_EXTRACT(X) %X
#define MPI_GET_COMP %mpi_val
#else
#define MPI_DATA_TYPE INTEGER
#define MPI_COMM_TYPE INTEGER
#define MPI_REQUEST_TYPE INTEGER
#define MPI_WIN_TYPE INTEGER
#define MPI_FILE_TYPE INTEGER
#define MPI_INFO_TYPE INTEGER
#define MPI_STATUS_TYPE INTEGER, DIMENSION(MPI_STATUS_SIZE)
#define MPI_GROUP_TYPE INTEGER
#define MPI_STATUS_EXTRACT(X) (X)
#define MPI_GET_COMP
#endif
#if defined(__parallel)
#if defined(__MPI_F08)
USE mpi_f08, ONLY: mpi_allgather, mpi_allgatherv, mpi_alloc_mem, mpi_allreduce, mpi_alltoall, mpi_alltoallv, mpi_bcast, &
mpi_cart_coords, mpi_cart_create, mpi_cart_get, mpi_cart_rank, mpi_cart_sub, mpi_dims_create, mpi_file_close, &
mpi_file_get_size, mpi_file_open, mpi_file_read_at_all, mpi_file_read_at, mpi_file_write_at_all, &
mpi_file_write_at, mpi_free_mem, mpi_gather, mpi_gatherv, mpi_get_address, mpi_group_translate_ranks, mpi_irecv, &
mpi_isend, mpi_recv, mpi_reduce, mpi_reduce_scatter, mpi_rget, mpi_scatter, mpi_send, &
mpi_sendrecv, mpi_sendrecv_replace, mpi_testany, mpi_waitall, mpi_waitany, mpi_win_create, mpi_comm_get_attr, &
mpi_ibcast, mpi_any_tag, mpi_any_source, mpi_address_kind, mpi_thread_serialized, mpi_errors_return, mpi_comm_world, &
#if defined(__DLAF)
mpi_thread_multiple, &
#endif
mpi_comm_self, mpi_comm_null, mpi_info_null, mpi_request_null, mpi_request, mpi_comm, mpi_group, &
mpi_status_ignore, mpi_info, mpi_file, mpi_success, &
mpi_tag_ub, mpi_host, mpi_io, mpi_wtime_is_global, mpi_logical, &
mpi_status, mpi_lor, mpi_2real, mpi_real, mpi_maxloc, mpi_integer8, mpi_bottom, &
mpi_iscatter, mpi_iscatterv, mpi_gatherv, mpi_igatherv, mpi_iallgather, &
mpi_iallgatherv, mpi_status, mpi_comm_type_shared, mpi_integer, mpi_minloc, mpi_2double_precision, &
mpi_file, mpi_minloc, mpi_integer, mpi_sum, mpi_scan, &
mpi_2integer, mpi_in_place, mpi_max, mpi_min, mpi_prod, mpi_iallreduce, mpi_double_precision, &
mpi_error_string, mpi_double_complex, mpi_complex, mpi_type_size, mpi_file_write_all, &
mpi_max_error_string, mpi_datatype, mpi_offset_kind, mpi_win, mpi_mode_rdonly, mpi_mode_rdwr, &
mpi_mode_wronly, mpi_mode_create, mpi_mode_append, mpi_mode_excl, mpi_max_library_version_string, &
mpi_win_null, mpi_file_null, mpi_datatype_null, mpi_character, mpi_mode_nocheck, &
mpi_status_size, mpi_proc_null, mpi_unequal, mpi_similar, mpi_ident, mpi_congruent
#else
USE mpi
#endif
! subroutines: unfortunately, mpi implementations do not provide interfaces for all subroutines (problems with types and ranks explosion),
! we do not quite know what is in the module, so we can not include any....
! to nevertheless get checking for what is included, we use the mpi module without use clause, getting all there is
! USE mpi, ONLY: mpi_allgather, mpi_allgatherv, mpi_alloc_mem, mpi_allreduce, mpi_alltoall, mpi_alltoallv, mpi_bcast,&
! mpi_cart_coords, mpi_cart_create, mpi_cart_get, mpi_cart_rank, mpi_cart_sub, mpi_dims_create, mpi_file_close,&
! mpi_file_get_size, mpi_file_open, mpi_file_read_at_all, mpi_file_read_at, mpi_file_write_at_all,&
! mpi_file_write_at, mpi_free_mem, mpi_gather, mpi_gatherv, mpi_get_address, mpi_group_translate_ranks, mpi_irecv,&
! mpi_isend, mpi_recv, mpi_reduce, mpi_reduce_scatter, mpi_rget, mpi_scatter, mpi_send,&
! mpi_sendrecv, mpi_sendrecv_replace, mpi_testany, mpi_waitall, mpi_waitany, mpi_win_create
! functions
! USE mpi, ONLY: mpi_wtime
! constants
! USE mpi, ONLY: MPI_DOUBLE_PRECISION, MPI_DOUBLE_COMPLEX, MPI_REAL, MPI_COMPLEX, MPI_ANY_TAG,&
! MPI_ANY_SOURCE, MPI_COMM_NULL, MPI_REQUEST_NULL, MPI_WIN_NULL, MPI_STATUS_SIZE, MPI_STATUS_IGNORE, MPI_STATUSES_IGNORE, &
! MPI_ADDRESS_KIND, MPI_OFFSET_KIND, MPI_MODE_CREATE, MPI_MODE_RDONLY, MPI_MODE_WRONLY,&
! MPI_MODE_RDWR, MPI_MODE_EXCL, MPI_COMM_SELF, MPI_COMM_WORLD, MPI_THREAD_SERIALIZED,&
! MPI_ERRORS_RETURN, MPI_SUCCESS, MPI_MAX_PROCESSOR_NAME, MPI_MAX_ERROR_STRING, MPI_IDENT,&
! MPI_UNEQUAL, MPI_MAX, MPI_SUM, MPI_INFO_NULL, MPI_IN_PLACE, MPI_CONGRUENT, MPI_SIMILAR, MPI_MIN, MPI_SOURCE,&
! MPI_TAG, MPI_INTEGER8, MPI_INTEGER, MPI_MAXLOC, MPI_2INTEGER, MPI_MINLOC, MPI_LOGICAL, MPI_2DOUBLE_PRECISION,&
! MPI_LOR, MPI_CHARACTER, MPI_BOTTOM, MPI_MODE_NOCHECK, MPI_2REAL
#endif
IMPLICIT NONE
PRIVATE
! parameters that might be needed
#if defined(__parallel)
LOGICAL, PARAMETER :: cp2k_is_parallel = .TRUE.
INTEGER, PARAMETER, PUBLIC :: mp_any_tag = MPI_ANY_TAG
INTEGER, PARAMETER, PUBLIC :: mp_any_source = MPI_ANY_SOURCE
MPI_COMM_TYPE, PARAMETER :: mp_comm_null_handle = MPI_COMM_NULL
MPI_COMM_TYPE, PARAMETER :: mp_comm_self_handle = MPI_COMM_SELF
MPI_COMM_TYPE, PARAMETER :: mp_comm_world_handle = MPI_COMM_WORLD
MPI_REQUEST_TYPE, PARAMETER :: mp_request_null_handle = MPI_REQUEST_NULL
MPI_WIN_TYPE, PARAMETER :: mp_win_null_handle = MPI_WIN_NULL
MPI_FILE_TYPE, PARAMETER :: mp_file_null_handle = MPI_FILE_NULL
MPI_INFO_TYPE, PARAMETER :: mp_info_null_handle = MPI_INFO_NULL
MPI_DATA_TYPE, PARAMETER :: mp_datatype_null_handle = MPI_DATATYPE_NULL
INTEGER, PARAMETER, PUBLIC :: mp_status_size = MPI_STATUS_SIZE
INTEGER, PARAMETER, PUBLIC :: mp_proc_null = MPI_PROC_NULL
! Set max allocatable memory by MPI to 2 GiByte
INTEGER(KIND=MPI_ADDRESS_KIND), PARAMETER, PRIVATE :: mp_max_memory_size = HUGE(INT(1, KIND=int_4))
INTEGER, PARAMETER, PUBLIC :: mp_max_library_version_string = MPI_MAX_LIBRARY_VERSION_STRING
INTEGER, PARAMETER, PUBLIC :: file_offset = MPI_OFFSET_KIND
INTEGER, PARAMETER, PUBLIC :: address_kind = MPI_ADDRESS_KIND
INTEGER, PARAMETER, PUBLIC :: file_amode_create = MPI_MODE_CREATE
INTEGER, PARAMETER, PUBLIC :: file_amode_rdonly = MPI_MODE_RDONLY
INTEGER, PARAMETER, PUBLIC :: file_amode_wronly = MPI_MODE_WRONLY
INTEGER, PARAMETER, PUBLIC :: file_amode_rdwr = MPI_MODE_RDWR
INTEGER, PARAMETER, PUBLIC :: file_amode_excl = MPI_MODE_EXCL
INTEGER, PARAMETER, PUBLIC :: file_amode_append = MPI_MODE_APPEND
#else
LOGICAL, PARAMETER :: cp2k_is_parallel = .FALSE.
INTEGER, PARAMETER, PUBLIC :: mp_any_tag = -1
INTEGER, PARAMETER, PUBLIC :: mp_any_source = -2
MPI_COMM_TYPE, PARAMETER :: mp_comm_null_handle = -3
MPI_COMM_TYPE, PARAMETER :: mp_comm_self_handle = -11
MPI_COMM_TYPE, PARAMETER :: mp_comm_world_handle = -12
MPI_REQUEST_TYPE, PARAMETER :: mp_request_null_handle = -4
MPI_WIN_TYPE, PARAMETER :: mp_win_null_handle = -5
MPI_FILE_TYPE, PARAMETER :: mp_file_null_handle = -6
MPI_INFO_TYPE, PARAMETER :: mp_info_null_handle = -7
MPI_DATA_TYPE, PARAMETER :: mp_datatype_null_handle = -8
INTEGER, PARAMETER, PUBLIC :: mp_status_size = -9
INTEGER, PARAMETER, PUBLIC :: mp_proc_null = -10
INTEGER, PARAMETER, PUBLIC :: mp_max_library_version_string = 1
INTEGER, PARAMETER, PUBLIC :: file_offset = int_8
INTEGER, PARAMETER, PUBLIC :: address_kind = int_8
INTEGER, PARAMETER, PUBLIC :: file_amode_create = 1
INTEGER, PARAMETER, PUBLIC :: file_amode_rdonly = 2
INTEGER, PARAMETER, PUBLIC :: file_amode_wronly = 4
INTEGER, PARAMETER, PUBLIC :: file_amode_rdwr = 8
INTEGER, PARAMETER, PUBLIC :: file_amode_excl = 64
INTEGER, PARAMETER, PUBLIC :: file_amode_append = 128
#endif
! we need to fix this to a given number (crossing fingers)
! so that the serial code using Fortran stream IO and the MPI have the same sizes.
INTEGER, PARAMETER, PUBLIC :: mpi_character_size = 1
INTEGER, PARAMETER, PUBLIC :: mpi_integer_size = 4
CHARACTER(LEN=*), PARAMETER, PRIVATE :: moduleN = 'message_passing'
! internal reference counter used to debug communicator leaks
INTEGER, PRIVATE, SAVE :: debug_comm_count
PUBLIC :: mp_comm_type
PUBLIC :: mp_request_type
PUBLIC :: mp_win_type
PUBLIC :: mp_file_type
PUBLIC :: mp_info_type
PUBLIC :: mp_cart_type
PUBLIC :: mp_para_env_type, mp_para_env_p_type, mp_para_cart_type
PUBLIC :: mp_para_env_create, mp_para_env_release, &
mp_para_cart_create, mp_para_cart_release
TYPE mp_comm_type
PRIVATE
MPI_COMM_TYPE :: handle = mp_comm_null_handle
! Number of dimensions within a Cartesian topology (useful with mp_cart_type)
INTEGER :: ndims = 1
! Meta data to the communicator
INTEGER, PUBLIC :: mepos = -1, source = -1, num_pe = -1
CONTAINS
! Setters/Getters
PROCEDURE, PASS, NON_OVERRIDABLE :: set_handle => mp_comm_type_set_handle
PROCEDURE, PASS, NON_OVERRIDABLE :: get_handle => mp_comm_type_get_handle
! Comparisons
PROCEDURE, PRIVATE, PASS, NON_OVERRIDABLE :: mp_comm_op_eq
PROCEDURE, PRIVATE, PASS, NON_OVERRIDABLE :: mp_comm_op_neq
GENERIC, PUBLIC :: operator(.EQ.) => mp_comm_op_eq
GENERIC, PUBLIC :: operator(.NE.) => mp_comm_op_neq
! Communication routines
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: &
mp_sendrecv_i, mp_sendrecv_l, mp_sendrecv_r, mp_sendrecv_d, &
mp_sendrecv_c, mp_sendrecv_z, &
mp_sendrecv_iv, mp_sendrecv_im2, mp_sendrecv_im3, mp_sendrecv_im4, &
mp_sendrecv_lv, mp_sendrecv_lm2, mp_sendrecv_lm3, mp_sendrecv_lm4, &
mp_sendrecv_rv, mp_sendrecv_rm2, mp_sendrecv_rm3, mp_sendrecv_rm4, &
mp_sendrecv_dv, mp_sendrecv_dm2, mp_sendrecv_dm3, mp_sendrecv_dm4, &
mp_sendrecv_cv, mp_sendrecv_cm2, mp_sendrecv_cm3, mp_sendrecv_cm4, &
mp_sendrecv_zv, mp_sendrecv_zm2, mp_sendrecv_zm3, mp_sendrecv_zm4
GENERIC, PUBLIC :: sendrecv => mp_sendrecv_i, mp_sendrecv_l, &
mp_sendrecv_r, mp_sendrecv_d, mp_sendrecv_c, mp_sendrecv_z, &
mp_sendrecv_iv, mp_sendrecv_im2, mp_sendrecv_im3, mp_sendrecv_im4, &
mp_sendrecv_lv, mp_sendrecv_lm2, mp_sendrecv_lm3, mp_sendrecv_lm4, &
mp_sendrecv_rv, mp_sendrecv_rm2, mp_sendrecv_rm3, mp_sendrecv_rm4, &
mp_sendrecv_dv, mp_sendrecv_dm2, mp_sendrecv_dm3, mp_sendrecv_dm4, &
mp_sendrecv_cv, mp_sendrecv_cm2, mp_sendrecv_cm3, mp_sendrecv_cm4, &
mp_sendrecv_zv, mp_sendrecv_zm2, mp_sendrecv_zm3, mp_sendrecv_zm4
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: mp_minloc_iv, &
mp_minloc_lv, mp_minloc_rv, mp_minloc_dv
GENERIC, PUBLIC :: minloc => mp_minloc_iv, &
mp_minloc_lv, mp_minloc_rv, mp_minloc_dv
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: mp_maxloc_iv, &
mp_maxloc_lv, mp_maxloc_rv, mp_maxloc_dv
GENERIC, PUBLIC :: maxloc => mp_maxloc_iv, &
mp_maxloc_lv, mp_maxloc_rv, mp_maxloc_dv
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: mp_shift_im, mp_shift_i, &
mp_shift_lm, mp_shift_l, mp_shift_rm, mp_shift_r, &
mp_shift_dm, mp_shift_d, mp_shift_cm, mp_shift_c, &
mp_shift_zm, mp_shift_z
GENERIC, PUBLIC :: shift => mp_shift_im, mp_shift_i, &
mp_shift_lm, mp_shift_l, mp_shift_rm, mp_shift_r, &
mp_shift_dm, mp_shift_d, mp_shift_cm, mp_shift_c, &
mp_shift_zm, mp_shift_z
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: mp_bcast_i, mp_bcast_iv, mp_bcast_im, mp_bcast_i3, &
mp_bcast_l, mp_bcast_lv, mp_bcast_lm, mp_bcast_l3, &
mp_bcast_r, mp_bcast_rv, mp_bcast_rm, mp_bcast_r3, &
mp_bcast_d, mp_bcast_dv, mp_bcast_dm, mp_bcast_d3, &
mp_bcast_c, mp_bcast_cv, mp_bcast_cm, mp_bcast_c3, &
mp_bcast_z, mp_bcast_zv, mp_bcast_zm, mp_bcast_z3, &
mp_bcast_b, mp_bcast_bv, mp_bcast_av, mp_bcast_am, &
mp_bcast_i_src, mp_bcast_iv_src, mp_bcast_im_src, mp_bcast_i3_src, &
mp_bcast_l_src, mp_bcast_lv_src, mp_bcast_lm_src, mp_bcast_l3_src, &
mp_bcast_r_src, mp_bcast_rv_src, mp_bcast_rm_src, mp_bcast_r3_src, &
mp_bcast_d_src, mp_bcast_dv_src, mp_bcast_dm_src, mp_bcast_d3_src, &
mp_bcast_c_src, mp_bcast_cv_src, mp_bcast_cm_src, mp_bcast_c3_src, &
mp_bcast_z_src, mp_bcast_zv_src, mp_bcast_zm_src, mp_bcast_z3_src, &
mp_bcast_b_src, mp_bcast_bv_src, mp_bcast_av_src, mp_bcast_am_src
GENERIC, PUBLIC :: bcast => mp_bcast_i, mp_bcast_iv, mp_bcast_im, mp_bcast_i3, &
mp_bcast_l, mp_bcast_lv, mp_bcast_lm, mp_bcast_l3, &
mp_bcast_r, mp_bcast_rv, mp_bcast_rm, mp_bcast_r3, &
mp_bcast_d, mp_bcast_dv, mp_bcast_dm, mp_bcast_d3, &
mp_bcast_c, mp_bcast_cv, mp_bcast_cm, mp_bcast_c3, &
mp_bcast_z, mp_bcast_zv, mp_bcast_zm, mp_bcast_z3, &
mp_bcast_b, mp_bcast_bv, mp_bcast_av, mp_bcast_am, &
mp_bcast_i_src, mp_bcast_iv_src, mp_bcast_im_src, mp_bcast_i3_src, &
mp_bcast_l_src, mp_bcast_lv_src, mp_bcast_lm_src, mp_bcast_l3_src, &
mp_bcast_r_src, mp_bcast_rv_src, mp_bcast_rm_src, mp_bcast_r3_src, &
mp_bcast_d_src, mp_bcast_dv_src, mp_bcast_dm_src, mp_bcast_d3_src, &
mp_bcast_c_src, mp_bcast_cv_src, mp_bcast_cm_src, mp_bcast_c3_src, &
mp_bcast_z_src, mp_bcast_zv_src, mp_bcast_zm_src, mp_bcast_z3_src, &
mp_bcast_b_src, mp_bcast_bv_src, mp_bcast_av_src, mp_bcast_am_src
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: mp_ibcast_i, mp_ibcast_iv, &
mp_ibcast_l, mp_ibcast_lv, mp_ibcast_r, mp_ibcast_rv, &
mp_ibcast_d, mp_ibcast_dv, mp_ibcast_c, mp_ibcast_cv, &
mp_ibcast_z, mp_ibcast_zv
GENERIC, PUBLIC :: ibcast => mp_ibcast_i, mp_ibcast_iv, &
mp_ibcast_l, mp_ibcast_lv, mp_ibcast_r, mp_ibcast_rv, &
mp_ibcast_d, mp_ibcast_dv, mp_ibcast_c, mp_ibcast_cv, &
mp_ibcast_z, mp_ibcast_zv
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: &
mp_sum_i, mp_sum_iv, mp_sum_im, mp_sum_im3, mp_sum_im4, &
mp_sum_l, mp_sum_lv, mp_sum_lm, mp_sum_lm3, mp_sum_lm4, &
mp_sum_r, mp_sum_rv, mp_sum_rm, mp_sum_rm3, mp_sum_rm4, &
mp_sum_d, mp_sum_dv, mp_sum_dm, mp_sum_dm3, mp_sum_dm4, &
mp_sum_c, mp_sum_cv, mp_sum_cm, mp_sum_cm3, mp_sum_cm4, &
mp_sum_z, mp_sum_zv, mp_sum_zm, mp_sum_zm3, mp_sum_zm4, &
mp_sum_root_iv, mp_sum_root_im, mp_sum_root_lv, mp_sum_root_lm, &
mp_sum_root_rv, mp_sum_root_rm, mp_sum_root_dv, mp_sum_root_dm, &
mp_sum_root_cv, mp_sum_root_cm, mp_sum_root_zv, mp_sum_root_zm, &
mp_sum_b, mp_sum_bv
GENERIC, PUBLIC :: sum => mp_sum_i, mp_sum_iv, mp_sum_im, mp_sum_im3, mp_sum_im4, &
mp_sum_l, mp_sum_lv, mp_sum_lm, mp_sum_lm3, mp_sum_lm4, &
mp_sum_r, mp_sum_rv, mp_sum_rm, mp_sum_rm3, mp_sum_rm4, &
mp_sum_d, mp_sum_dv, mp_sum_dm, mp_sum_dm3, mp_sum_dm4, &
mp_sum_c, mp_sum_cv, mp_sum_cm, mp_sum_cm3, mp_sum_cm4, &
mp_sum_z, mp_sum_zv, mp_sum_zm, mp_sum_zm3, mp_sum_zm4, &
mp_sum_root_iv, mp_sum_root_im, mp_sum_root_lv, mp_sum_root_lm, &
mp_sum_root_rv, mp_sum_root_rm, mp_sum_root_dv, mp_sum_root_dm, &
mp_sum_root_cv, mp_sum_root_cm, mp_sum_root_zv, mp_sum_root_zm, &
mp_sum_b, mp_sum_bv
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: mp_isum_iv, &
mp_isum_lv, mp_isum_rv, mp_isum_dv, mp_isum_cv, &
mp_isum_zv, mp_isum_bv
GENERIC, PUBLIC :: isum => mp_isum_iv, &
mp_isum_lv, mp_isum_rv, mp_isum_dv, mp_isum_cv, &
mp_isum_zv, mp_isum_bv
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: mp_sum_partial_im, &
mp_sum_partial_lm, mp_sum_partial_rm, mp_sum_partial_dm, &
mp_sum_partial_cm, mp_sum_partial_zm
GENERIC, PUBLIC :: sum_partial => mp_sum_partial_im, &
mp_sum_partial_lm, mp_sum_partial_rm, mp_sum_partial_dm, &
mp_sum_partial_cm, mp_sum_partial_zm
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: mp_max_i, mp_max_iv, &
mp_max_l, mp_max_lv, mp_max_r, mp_max_rv, &
mp_max_d, mp_max_dv, mp_max_c, mp_max_cv, &
mp_max_z, mp_max_zv, mp_max_root_i, mp_max_root_l, &
mp_max_root_r, mp_max_root_d, mp_max_root_c, mp_max_root_z, &
mp_max_root_im, mp_max_root_lm, mp_max_root_rm, mp_max_root_dm, &
mp_max_root_cm, mp_max_root_zm
GENERIC, PUBLIC :: max => mp_max_i, mp_max_iv, &
mp_max_l, mp_max_lv, mp_max_r, mp_max_rv, &
mp_max_d, mp_max_dv, mp_max_c, mp_max_cv, &
mp_max_z, mp_max_zv, mp_max_root_i, mp_max_root_l, &
mp_max_root_r, mp_max_root_d, mp_max_root_c, mp_max_root_z, &
mp_max_root_im, mp_max_root_lm, mp_max_root_rm, mp_max_root_dm, &
mp_max_root_cm, mp_max_root_zm
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: mp_min_i, mp_min_iv, &
mp_min_l, mp_min_lv, mp_min_r, mp_min_rv, &
mp_min_d, mp_min_dv, mp_min_c, mp_min_cv, &
mp_min_z, mp_min_zv
GENERIC, PUBLIC :: min => mp_min_i, mp_min_iv, &
mp_min_l, mp_min_lv, mp_min_r, mp_min_rv, &
mp_min_d, mp_min_dv, mp_min_c, mp_min_cv, &
mp_min_z, mp_min_zv
PROCEDURE, PUBLIC, PASS(comm), NON_OVERRIDABLE :: &
mp_sum_scatter_iv, mp_sum_scatter_lv, mp_sum_scatter_rv, &
mp_sum_scatter_dv, mp_sum_scatter_cv, mp_sum_scatter_zv
GENERIC, PUBLIC :: sum_scatter => &
mp_sum_scatter_iv, mp_sum_scatter_lv, mp_sum_scatter_rv, &
mp_sum_scatter_dv, mp_sum_scatter_cv, mp_sum_scatter_zv
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: mp_prod_r, mp_prod_d, mp_prod_c, mp_prod_z
GENERIC, PUBLIC :: prod => mp_prod_r, mp_prod_d, mp_prod_c, mp_prod_z
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: mp_gather_i, mp_gather_iv, mp_gather_im, &
mp_gather_l, mp_gather_lv, mp_gather_lm, &
mp_gather_r, mp_gather_rv, mp_gather_rm, &
mp_gather_d, mp_gather_dv, mp_gather_dm, &
mp_gather_c, mp_gather_cv, mp_gather_cm, &
mp_gather_z, mp_gather_zv, mp_gather_zm, &
mp_gather_i_src, mp_gather_iv_src, mp_gather_im_src, &
mp_gather_l_src, mp_gather_lv_src, mp_gather_lm_src, &
mp_gather_r_src, mp_gather_rv_src, mp_gather_rm_src, &
mp_gather_d_src, mp_gather_dv_src, mp_gather_dm_src, &
mp_gather_c_src, mp_gather_cv_src, mp_gather_cm_src, &
mp_gather_z_src, mp_gather_zv_src, mp_gather_zm_src
GENERIC, PUBLIC :: gather => mp_gather_i, mp_gather_iv, mp_gather_im, &
mp_gather_l, mp_gather_lv, mp_gather_lm, &
mp_gather_r, mp_gather_rv, mp_gather_rm, &
mp_gather_d, mp_gather_dv, mp_gather_dm, &
mp_gather_c, mp_gather_cv, mp_gather_cm, &
mp_gather_z, mp_gather_zv, mp_gather_zm, &
mp_gather_i_src, mp_gather_iv_src, mp_gather_im_src, &
mp_gather_l_src, mp_gather_lv_src, mp_gather_lm_src, &
mp_gather_r_src, mp_gather_rv_src, mp_gather_rm_src, &
mp_gather_d_src, mp_gather_dv_src, mp_gather_dm_src, &
mp_gather_c_src, mp_gather_cv_src, mp_gather_cm_src, &
mp_gather_z_src, mp_gather_zv_src, mp_gather_zm_src
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: mp_gatherv_iv, &
mp_gatherv_lv, mp_gatherv_rv, mp_gatherv_dv, &
mp_gatherv_cv, mp_gatherv_zv, mp_gatherv_lm2, mp_gatherv_rm2, &
mp_gatherv_dm2, mp_gatherv_cm2, mp_gatherv_zm2, mp_gatherv_iv_src, &
mp_gatherv_lv_src, mp_gatherv_rv_src, mp_gatherv_dv_src, &
mp_gatherv_cv_src, mp_gatherv_zv_src, mp_gatherv_lm2_src, mp_gatherv_rm2_src, &
mp_gatherv_dm2_src, mp_gatherv_cm2_src, mp_gatherv_zm2_src
GENERIC, PUBLIC :: gatherv => mp_gatherv_iv, &
mp_gatherv_lv, mp_gatherv_rv, mp_gatherv_dv, &
mp_gatherv_cv, mp_gatherv_zv, mp_gatherv_lm2, mp_gatherv_rm2, &
mp_gatherv_dm2, mp_gatherv_cm2, mp_gatherv_zm2, mp_gatherv_iv_src, &
mp_gatherv_lv_src, mp_gatherv_rv_src, mp_gatherv_dv_src, &
mp_gatherv_cv_src, mp_gatherv_zv_src, mp_gatherv_lm2_src, mp_gatherv_rm2_src, &
mp_gatherv_dm2_src, mp_gatherv_cm2_src, mp_gatherv_zm2_src
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: mp_igatherv_iv, &
mp_igatherv_lv, mp_igatherv_rv, mp_igatherv_dv, &
mp_igatherv_cv, mp_igatherv_zv
GENERIC, PUBLIC :: igatherv => mp_igatherv_iv, &
mp_igatherv_lv, mp_igatherv_rv, mp_igatherv_dv, &
mp_igatherv_cv, mp_igatherv_zv
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: mp_allgather_i, mp_allgather_i2, &
mp_allgather_i12, mp_allgather_i23, mp_allgather_i34, &
mp_allgather_i22, mp_allgather_l, mp_allgather_l2, &
mp_allgather_l12, mp_allgather_l23, mp_allgather_l34, &
mp_allgather_l22, mp_allgather_r, mp_allgather_r2, &
mp_allgather_r12, mp_allgather_r23, mp_allgather_r34, &
mp_allgather_r22, mp_allgather_d, mp_allgather_d2, &
mp_allgather_d12, mp_allgather_d23, mp_allgather_d34, &
mp_allgather_d22, mp_allgather_c, mp_allgather_c2, &
mp_allgather_c12, mp_allgather_c23, mp_allgather_c34, &
mp_allgather_c22, mp_allgather_z, mp_allgather_z2, &
mp_allgather_z12, mp_allgather_z23, mp_allgather_z34, &
mp_allgather_z22
GENERIC, PUBLIC :: allgather => mp_allgather_i, mp_allgather_i2, &
mp_allgather_i12, mp_allgather_i23, mp_allgather_i34, &
mp_allgather_i22, mp_allgather_l, mp_allgather_l2, &
mp_allgather_l12, mp_allgather_l23, mp_allgather_l34, &
mp_allgather_l22, mp_allgather_r, mp_allgather_r2, &
mp_allgather_r12, mp_allgather_r23, mp_allgather_r34, &
mp_allgather_r22, mp_allgather_d, mp_allgather_d2, &
mp_allgather_d12, mp_allgather_d23, mp_allgather_d34, &
mp_allgather_d22, mp_allgather_c, mp_allgather_c2, &
mp_allgather_c12, mp_allgather_c23, mp_allgather_c34, &
mp_allgather_c22, mp_allgather_z, mp_allgather_z2, &
mp_allgather_z12, mp_allgather_z23, mp_allgather_z34, &
mp_allgather_z22
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: mp_allgatherv_iv, mp_allgatherv_lv, &
mp_allgatherv_rv, mp_allgatherv_dv, mp_allgatherv_cv, mp_allgatherv_zv, &
mp_allgatherv_im2, mp_allgatherv_lm2, mp_allgatherv_rm2, &
mp_allgatherv_dm2, mp_allgatherv_cm2, mp_allgatherv_zm2
GENERIC, PUBLIC :: allgatherv => mp_allgatherv_iv, mp_allgatherv_lv, &
mp_allgatherv_rv, mp_allgatherv_dv, mp_allgatherv_cv, mp_allgatherv_zv, &
mp_allgatherv_im2, mp_allgatherv_lm2, mp_allgatherv_rm2, &
mp_allgatherv_dm2, mp_allgatherv_cm2, mp_allgatherv_zm2
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: mp_iallgather_i, mp_iallgather_l, &
mp_iallgather_r, mp_iallgather_d, mp_iallgather_c, mp_iallgather_z, &
mp_iallgather_i11, mp_iallgather_l11, mp_iallgather_r11, mp_iallgather_d11, &
mp_iallgather_c11, mp_iallgather_z11, mp_iallgather_i13, mp_iallgather_l13, &
mp_iallgather_r13, mp_iallgather_d13, mp_iallgather_c13, mp_iallgather_z13, &
mp_iallgather_i22, mp_iallgather_l22, mp_iallgather_r22, mp_iallgather_d22, &
mp_iallgather_c22, mp_iallgather_z22, mp_iallgather_i24, mp_iallgather_l24, &
mp_iallgather_r24, mp_iallgather_d24, mp_iallgather_c24, mp_iallgather_z24, &
mp_iallgather_i33, mp_iallgather_l33, mp_iallgather_r33, mp_iallgather_d33, &
mp_iallgather_c33, mp_iallgather_z33
GENERIC, PUBLIC :: iallgather => mp_iallgather_i, mp_iallgather_l, &
mp_iallgather_r, mp_iallgather_d, mp_iallgather_c, mp_iallgather_z, &
mp_iallgather_i11, mp_iallgather_l11, mp_iallgather_r11, mp_iallgather_d11, &
mp_iallgather_c11, mp_iallgather_z11, mp_iallgather_i13, mp_iallgather_l13, &
mp_iallgather_r13, mp_iallgather_d13, mp_iallgather_c13, mp_iallgather_z13, &
mp_iallgather_i22, mp_iallgather_l22, mp_iallgather_r22, mp_iallgather_d22, &
mp_iallgather_c22, mp_iallgather_z22, mp_iallgather_i24, mp_iallgather_l24, &
mp_iallgather_r24, mp_iallgather_d24, mp_iallgather_c24, mp_iallgather_z24, &
mp_iallgather_i33, mp_iallgather_l33, mp_iallgather_r33, mp_iallgather_d33, &
mp_iallgather_c33, mp_iallgather_z33
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: mp_iallgatherv_iv, mp_iallgatherv_iv2, &
mp_iallgatherv_lv, mp_iallgatherv_lv2, mp_iallgatherv_rv, mp_iallgatherv_rv2, &
mp_iallgatherv_dv, mp_iallgatherv_dv2, mp_iallgatherv_cv, mp_iallgatherv_cv2, &
mp_iallgatherv_zv, mp_iallgatherv_zv2
GENERIC, PUBLIC :: iallgatherv => mp_iallgatherv_iv, mp_iallgatherv_iv2, &
mp_iallgatherv_lv, mp_iallgatherv_lv2, mp_iallgatherv_rv, mp_iallgatherv_rv2, &
mp_iallgatherv_dv, mp_iallgatherv_dv2, mp_iallgatherv_cv, mp_iallgatherv_cv2, &
mp_iallgatherv_zv, mp_iallgatherv_zv2
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: mp_scatter_iv, mp_scatter_lv, &
mp_scatter_rv, mp_scatter_dv, mp_scatter_cv, mp_scatter_zv
GENERIC, PUBLIC :: scatter => mp_scatter_iv, mp_scatter_lv, &
mp_scatter_rv, mp_scatter_dv, mp_scatter_cv, mp_scatter_zv
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: mp_iscatter_i, mp_iscatter_l, &
mp_iscatter_r, mp_iscatter_d, mp_iscatter_c, mp_iscatter_z, &
mp_iscatter_iv2, mp_iscatter_lv2, mp_iscatter_rv2, mp_iscatter_dv2, &
mp_iscatter_cv2, mp_iscatter_zv2
GENERIC, PUBLIC :: iscatter => mp_iscatter_i, mp_iscatter_l, &
mp_iscatter_r, mp_iscatter_d, mp_iscatter_c, mp_iscatter_z, &
mp_iscatter_iv2, mp_iscatter_lv2, mp_iscatter_rv2, mp_iscatter_dv2, &
mp_iscatter_cv2, mp_iscatter_zv2
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: mp_iscatterv_iv, mp_iscatterv_lv, &
mp_iscatterv_rv, mp_iscatterv_dv, mp_iscatterv_cv, mp_iscatterv_zv
GENERIC, PUBLIC :: iscatterv => mp_iscatterv_iv, mp_iscatterv_lv, &
mp_iscatterv_rv, mp_iscatterv_dv, mp_iscatterv_cv, mp_iscatterv_zv
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: mp_alltoall_i, mp_alltoall_i22, mp_alltoall_i33, &
mp_alltoall_i44, mp_alltoall_i55, mp_alltoall_i45, mp_alltoall_i34, &
mp_alltoall_i11v, mp_alltoall_i22v, mp_alltoall_i54, &
mp_alltoall_l, mp_alltoall_l22, mp_alltoall_l33, &
mp_alltoall_l44, mp_alltoall_l55, mp_alltoall_l45, mp_alltoall_l34, &
mp_alltoall_l11v, mp_alltoall_l22v, mp_alltoall_l54, &
mp_alltoall_r, mp_alltoall_r22, mp_alltoall_r33, &
mp_alltoall_r44, mp_alltoall_r55, mp_alltoall_r45, mp_alltoall_r34, &
mp_alltoall_r11v, mp_alltoall_r22v, mp_alltoall_r54, &
mp_alltoall_d, mp_alltoall_d22, mp_alltoall_d33, &
mp_alltoall_d44, mp_alltoall_d55, mp_alltoall_d45, mp_alltoall_d34, &
mp_alltoall_d11v, mp_alltoall_d22v, mp_alltoall_d54, &
mp_alltoall_c, mp_alltoall_c22, mp_alltoall_c33, &
mp_alltoall_c44, mp_alltoall_c55, mp_alltoall_c45, mp_alltoall_c34, &
mp_alltoall_c11v, mp_alltoall_c22v, mp_alltoall_c54, &
mp_alltoall_z, mp_alltoall_z22, mp_alltoall_z33, &
mp_alltoall_z44, mp_alltoall_z55, mp_alltoall_z45, mp_alltoall_z34, &
mp_alltoall_z11v, mp_alltoall_z22v, mp_alltoall_z54
GENERIC, PUBLIC :: alltoall => mp_alltoall_i, mp_alltoall_i22, mp_alltoall_i33, &
mp_alltoall_i44, mp_alltoall_i55, mp_alltoall_i45, mp_alltoall_i34, &
mp_alltoall_i11v, mp_alltoall_i22v, mp_alltoall_i54, &
mp_alltoall_l, mp_alltoall_l22, mp_alltoall_l33, &
mp_alltoall_l44, mp_alltoall_l55, mp_alltoall_l45, mp_alltoall_l34, &
mp_alltoall_l11v, mp_alltoall_l22v, mp_alltoall_l54, &
mp_alltoall_r, mp_alltoall_r22, mp_alltoall_r33, &
mp_alltoall_r44, mp_alltoall_r55, mp_alltoall_r45, mp_alltoall_r34, &
mp_alltoall_r11v, mp_alltoall_r22v, mp_alltoall_r54, &
mp_alltoall_d, mp_alltoall_d22, mp_alltoall_d33, &
mp_alltoall_d44, mp_alltoall_d55, mp_alltoall_d45, mp_alltoall_d34, &
mp_alltoall_d11v, mp_alltoall_d22v, mp_alltoall_d54, &
mp_alltoall_c, mp_alltoall_c22, mp_alltoall_c33, &
mp_alltoall_c44, mp_alltoall_c55, mp_alltoall_c45, mp_alltoall_c34, &
mp_alltoall_c11v, mp_alltoall_c22v, mp_alltoall_c54, &
mp_alltoall_z, mp_alltoall_z22, mp_alltoall_z33, &
mp_alltoall_z44, mp_alltoall_z55, mp_alltoall_z45, mp_alltoall_z34, &
mp_alltoall_z11v, mp_alltoall_z22v, mp_alltoall_z54
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: mp_send_i, mp_send_iv, mp_send_im2, mp_send_im3, &
mp_send_l, mp_send_lv, mp_send_lm2, mp_send_lm3, &
mp_send_r, mp_send_rv, mp_send_rm2, mp_send_rm3, &
mp_send_d, mp_send_dv, mp_send_dm2, mp_send_dm3, &
mp_send_c, mp_send_cv, mp_send_cm2, mp_send_cm3, &
mp_send_z, mp_send_zv, mp_send_zm2, mp_send_zm3
GENERIC, PUBLIC :: send => mp_send_i, mp_send_iv, mp_send_im2, mp_send_im3, &
mp_send_l, mp_send_lv, mp_send_lm2, mp_send_lm3, &
mp_send_r, mp_send_rv, mp_send_rm2, mp_send_rm3, &
mp_send_d, mp_send_dv, mp_send_dm2, mp_send_dm3, &
mp_send_c, mp_send_cv, mp_send_cm2, mp_send_cm3, &
mp_send_z, mp_send_zv, mp_send_zm2, mp_send_zm3
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: mp_recv_i, mp_recv_iv, mp_recv_im2, mp_recv_im3, &
mp_recv_l, mp_recv_lv, mp_recv_lm2, mp_recv_lm3, &
mp_recv_r, mp_recv_rv, mp_recv_rm2, mp_recv_rm3, &
mp_recv_d, mp_recv_dv, mp_recv_dm2, mp_recv_dm3, &
mp_recv_c, mp_recv_cv, mp_recv_cm2, mp_recv_cm3, &
mp_recv_z, mp_recv_zv, mp_recv_zm2, mp_recv_zm3
GENERIC, PUBLIC :: recv => mp_recv_i, mp_recv_iv, mp_recv_im2, mp_recv_im3, &
mp_recv_l, mp_recv_lv, mp_recv_lm2, mp_recv_lm3, &
mp_recv_r, mp_recv_rv, mp_recv_rm2, mp_recv_rm3, &
mp_recv_d, mp_recv_dv, mp_recv_dm2, mp_recv_dm3, &
mp_recv_c, mp_recv_cv, mp_recv_cm2, mp_recv_cm3, &
mp_recv_z, mp_recv_zv, mp_recv_zm2, mp_recv_zm3
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: mp_isendrecv_i, mp_isendrecv_iv, &
mp_isendrecv_l, mp_isendrecv_lv, mp_isendrecv_r, mp_isendrecv_rv, &
mp_isendrecv_d, mp_isendrecv_dv, mp_isendrecv_c, mp_isendrecv_cv, &
mp_isendrecv_z, mp_isendrecv_zv
GENERIC, PUBLIC :: isendrecv => mp_isendrecv_i, mp_isendrecv_iv, &
mp_isendrecv_l, mp_isendrecv_lv, mp_isendrecv_r, mp_isendrecv_rv, &
mp_isendrecv_d, mp_isendrecv_dv, mp_isendrecv_c, mp_isendrecv_cv, &
mp_isendrecv_z, mp_isendrecv_zv
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: mp_isend_iv, mp_isend_im2, mp_isend_im3, mp_isend_im4, &
mp_isend_lv, mp_isend_lm2, mp_isend_lm3, mp_isend_lm4, &
mp_isend_rv, mp_isend_rm2, mp_isend_rm3, mp_isend_rm4, &
mp_isend_dv, mp_isend_dm2, mp_isend_dm3, mp_isend_dm4, &
mp_isend_cv, mp_isend_cm2, mp_isend_cm3, mp_isend_cm4, &
mp_isend_zv, mp_isend_zm2, mp_isend_zm3, mp_isend_zm4, &
mp_isend_bv, mp_isend_bm3, mp_isend_custom
GENERIC, PUBLIC :: isend => mp_isend_iv, mp_isend_im2, mp_isend_im3, mp_isend_im4, &
mp_isend_lv, mp_isend_lm2, mp_isend_lm3, mp_isend_lm4, &
mp_isend_rv, mp_isend_rm2, mp_isend_rm3, mp_isend_rm4, &
mp_isend_dv, mp_isend_dm2, mp_isend_dm3, mp_isend_dm4, &
mp_isend_cv, mp_isend_cm2, mp_isend_cm3, mp_isend_cm4, &
mp_isend_zv, mp_isend_zm2, mp_isend_zm3, mp_isend_zm4, &
mp_isend_bv, mp_isend_bm3, mp_isend_custom
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: mp_irecv_iv, mp_irecv_im2, mp_irecv_im3, mp_irecv_im4, &
mp_irecv_lv, mp_irecv_lm2, mp_irecv_lm3, mp_irecv_lm4, &
mp_irecv_rv, mp_irecv_rm2, mp_irecv_rm3, mp_irecv_rm4, &
mp_irecv_dv, mp_irecv_dm2, mp_irecv_dm3, mp_irecv_dm4, &
mp_irecv_cv, mp_irecv_cm2, mp_irecv_cm3, mp_irecv_cm4, &
mp_irecv_zv, mp_irecv_zm2, mp_irecv_zm3, mp_irecv_zm4, &
mp_irecv_bv, mp_irecv_bm3, mp_irecv_custom
GENERIC, PUBLIC :: irecv => mp_irecv_iv, mp_irecv_im2, mp_irecv_im3, mp_irecv_im4, &
mp_irecv_lv, mp_irecv_lm2, mp_irecv_lm3, mp_irecv_lm4, &
mp_irecv_rv, mp_irecv_rm2, mp_irecv_rm3, mp_irecv_rm4, &
mp_irecv_dv, mp_irecv_dm2, mp_irecv_dm3, mp_irecv_dm4, &
mp_irecv_cv, mp_irecv_cm2, mp_irecv_cm3, mp_irecv_cm4, &
mp_irecv_zv, mp_irecv_zm2, mp_irecv_zm3, mp_irecv_zm4, &
mp_irecv_bv, mp_irecv_bm3, mp_irecv_custom
PROCEDURE, PUBLIC, PASS(comm), NON_OVERRIDABLE :: probe => mp_probe
PROCEDURE, PUBLIC, PASS(comm), NON_OVERRIDABLE :: sync => mp_sync
PROCEDURE, PUBLIC, PASS(comm), NON_OVERRIDABLE :: isync => mp_isync
PROCEDURE, PUBLIC, PASS(comm1), NON_OVERRIDABLE :: compare => mp_comm_compare
PROCEDURE, PUBLIC, PASS(comm1), NON_OVERRIDABLE :: rank_compare => mp_rank_compare
PROCEDURE, PUBLIC, PASS(comm2), NON_OVERRIDABLE :: from_dup => mp_comm_dup
PROCEDURE, PUBLIC, PASS(comm), NON_OVERRIDABLE :: mp_comm_free
GENERIC, PUBLIC :: free => mp_comm_free
PROCEDURE, PUBLIC, PASS(comm), NON_OVERRIDABLE :: mp_comm_init
GENERIC, PUBLIC :: init => mp_comm_init
PROCEDURE, PUBLIC, PASS(comm), NON_OVERRIDABLE :: get_size => mp_comm_size
PROCEDURE, PUBLIC, PASS(comm), NON_OVERRIDABLE :: get_rank => mp_comm_rank
PROCEDURE, PUBLIC, PASS(comm), NON_OVERRIDABLE :: get_ndims => mp_comm_get_ndims
PROCEDURE, PUBLIC, PASS(comm), NON_OVERRIDABLE :: is_source => mp_comm_is_source
! Creation routines
PROCEDURE, PRIVATE, PASS(sub_comm), NON_OVERRIDABLE :: mp_comm_split, mp_comm_split_direct
GENERIC, PUBLIC :: from_split => mp_comm_split, mp_comm_split_direct
PROCEDURE, PUBLIC, PASS(mp_new_comm), NON_OVERRIDABLE :: from_reordering => mp_reordering
PROCEDURE, PUBLIC, PASS(comm_new), NON_OVERRIDABLE :: mp_comm_assign
GENERIC, PUBLIC :: ASSIGNMENT(=) => mp_comm_assign
! Other Getters
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: mp_comm_get_tag_ub
GENERIC, PUBLIC :: get_tag_ub => mp_comm_get_tag_ub
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: mp_comm_get_host_rank
GENERIC, PUBLIC :: get_host_rank => mp_comm_get_host_rank
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: mp_comm_get_io_rank
GENERIC, PUBLIC :: get_io_rank => mp_comm_get_io_rank
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: mp_comm_get_wtime_is_global
GENERIC, PUBLIC :: get_wtime_is_global => mp_comm_get_wtime_is_global
END TYPE
TYPE mp_request_type
PRIVATE
MPI_REQUEST_TYPE :: handle = mp_request_null_handle
CONTAINS
PROCEDURE, PUBLIC, NON_OVERRIDABLE :: set_handle => mp_request_type_set_handle
PROCEDURE, PUBLIC, NON_OVERRIDABLE :: get_handle => mp_request_type_get_handle
PROCEDURE, PRIVATE, NON_OVERRIDABLE :: mp_request_op_eq
PROCEDURE, PRIVATE, NON_OVERRIDABLE :: mp_request_op_neq
GENERIC, PUBLIC :: OPERATOR(.EQ.) => mp_request_op_eq
GENERIC, PUBLIC :: OPERATOR(.NE.) => mp_request_op_neq
PROCEDURE, PUBLIC, PASS(request), NON_OVERRIDABLE :: test => mp_test_1
PROCEDURE, PUBLIC, PASS(request), NON_OVERRIDABLE :: wait => mp_wait
END TYPE
TYPE mp_win_type
PRIVATE
MPI_WIN_TYPE :: handle = mp_win_null_handle
CONTAINS
PROCEDURE, PUBLIC, NON_OVERRIDABLE :: set_handle => mp_win_type_set_handle
PROCEDURE, PUBLIC, NON_OVERRIDABLE :: get_handle => mp_win_type_get_handle
PROCEDURE, PRIVATE, NON_OVERRIDABLE :: mp_win_op_eq
PROCEDURE, PRIVATE, NON_OVERRIDABLE :: mp_win_op_neq
GENERIC, PUBLIC :: OPERATOR(.EQ.) => mp_win_op_eq
GENERIC, PUBLIC :: OPERATOR(.NE.) => mp_win_op_neq
PROCEDURE, PRIVATE, PASS(win), NON_OVERRIDABLE :: mp_win_create_iv, mp_win_create_lv, &
mp_win_create_rv, mp_win_create_dv, mp_win_create_cv, mp_win_create_zv
GENERIC, PUBLIC :: create => mp_win_create_iv, mp_win_create_lv, &
mp_win_create_rv, mp_win_create_dv, mp_win_create_cv, mp_win_create_zv
PROCEDURE, PRIVATE, PASS(win), NON_OVERRIDABLE :: mp_rget_iv, mp_rget_lv, &
mp_rget_rv, mp_rget_dv, mp_rget_cv, mp_rget_zv
GENERIC, PUBLIC :: rget => mp_rget_iv, mp_rget_lv, &
mp_rget_rv, mp_rget_dv, mp_rget_cv, mp_rget_zv
PROCEDURE, PUBLIC, PASS(win), NON_OVERRIDABLE :: free => mp_win_free
PROCEDURE, PUBLIC, PASS(win_new), NON_OVERRIDABLE :: mp_win_assign
GENERIC, PUBLIC :: ASSIGNMENT(=) => mp_win_assign
PROCEDURE, PUBLIC, PASS(win), NON_OVERRIDABLE :: lock_all => mp_win_lock_all
PROCEDURE, PUBLIC, PASS(win), NON_OVERRIDABLE :: unlock_all => mp_win_unlock_all
PROCEDURE, PUBLIC, PASS(win), NON_OVERRIDABLE :: flush_all => mp_win_flush_all
END TYPE
TYPE mp_file_type
PRIVATE
MPI_FILE_TYPE :: handle = mp_file_null_handle
CONTAINS
PROCEDURE, PUBLIC, NON_OVERRIDABLE :: set_handle => mp_file_type_set_handle
PROCEDURE, PUBLIC, NON_OVERRIDABLE :: get_handle => mp_file_type_get_handle
PROCEDURE, PRIVATE, NON_OVERRIDABLE :: mp_file_op_eq
PROCEDURE, PRIVATE, NON_OVERRIDABLE :: mp_file_op_neq
GENERIC, PUBLIC :: OPERATOR(.EQ.) => mp_file_op_eq
GENERIC, PUBLIC :: OPERATOR(.NE.) => mp_file_op_neq
PROCEDURE, PRIVATE, PASS(fh), NON_OVERRIDABLE :: mp_file_write_at_ch, mp_file_write_at_chv, &
mp_file_write_at_i, mp_file_write_at_iv, mp_file_write_at_r, mp_file_write_at_rv, &
mp_file_write_at_d, mp_file_write_at_dv, mp_file_write_at_c, mp_file_write_at_cv, &
mp_file_write_at_z, mp_file_write_at_zv, mp_file_write_at_l, mp_file_write_at_lv
GENERIC, PUBLIC :: write_at => mp_file_write_at_ch, mp_file_write_at_chv, &
mp_file_write_at_i, mp_file_write_at_iv, mp_file_write_at_r, mp_file_write_at_rv, &
mp_file_write_at_d, mp_file_write_at_dv, mp_file_write_at_c, mp_file_write_at_cv, &
mp_file_write_at_z, mp_file_write_at_zv, mp_file_write_at_l, mp_file_write_at_lv
PROCEDURE, PRIVATE, PASS(fh), NON_OVERRIDABLE :: mp_file_write_at_all_ch, mp_file_write_at_all_chv, &
mp_file_write_at_all_i, mp_file_write_at_all_iv, mp_file_write_at_all_l, mp_file_write_at_all_lv, &
mp_file_write_at_all_r, mp_file_write_at_all_rv, mp_file_write_at_all_d, mp_file_write_at_all_dv, &
mp_file_write_at_all_c, mp_file_write_at_all_cv, mp_file_write_at_all_z, mp_file_write_at_all_zv
GENERIC, PUBLIC :: write_at_all => mp_file_write_at_all_ch, mp_file_write_at_all_chv, &
mp_file_write_at_all_i, mp_file_write_at_all_iv, mp_file_write_at_all_l, mp_file_write_at_all_lv, &
mp_file_write_at_all_r, mp_file_write_at_all_rv, mp_file_write_at_all_d, mp_file_write_at_all_dv, &
mp_file_write_at_all_c, mp_file_write_at_all_cv, mp_file_write_at_all_z, mp_file_write_at_all_zv
PROCEDURE, PRIVATE, PASS(fh), NON_OVERRIDABLE :: mp_file_read_at_ch, mp_file_read_at_chv, &
mp_file_read_at_i, mp_file_read_at_iv, mp_file_read_at_r, mp_file_read_at_rv, &
mp_file_read_at_d, mp_file_read_at_dv, mp_file_read_at_c, mp_file_read_at_cv, &
mp_file_read_at_z, mp_file_read_at_zv, mp_file_read_at_l, mp_file_read_at_lv
GENERIC, PUBLIC :: read_at => mp_file_read_at_ch, mp_file_read_at_chv, &
mp_file_read_at_i, mp_file_read_at_iv, mp_file_read_at_r, mp_file_read_at_rv, &
mp_file_read_at_d, mp_file_read_at_dv, mp_file_read_at_c, mp_file_read_at_cv, &
mp_file_read_at_z, mp_file_read_at_zv, mp_file_read_at_l, mp_file_read_at_lv
PROCEDURE, PRIVATE, PASS(fh), NON_OVERRIDABLE :: mp_file_read_at_all_ch, mp_file_read_at_all_chv, &
mp_file_read_at_all_i, mp_file_read_at_all_iv, mp_file_read_at_all_l, mp_file_read_at_all_lv, &
mp_file_read_at_all_r, mp_file_read_at_all_rv, mp_file_read_at_all_d, mp_file_read_at_all_dv, &
mp_file_read_at_all_c, mp_file_read_at_all_cv, mp_file_read_at_all_z, mp_file_read_at_all_zv
GENERIC, PUBLIC :: read_at_all => mp_file_read_at_all_ch, mp_file_read_at_all_chv, &
mp_file_read_at_all_i, mp_file_read_at_all_iv, mp_file_read_at_all_l, mp_file_read_at_all_lv, &
mp_file_read_at_all_r, mp_file_read_at_all_rv, mp_file_read_at_all_d, mp_file_read_at_all_dv, &
mp_file_read_at_all_c, mp_file_read_at_all_cv, mp_file_read_at_all_z, mp_file_read_at_all_zv
PROCEDURE, PUBLIC, PASS(fh), NON_OVERRIDABLE :: open => mp_file_open
PROCEDURE, PUBLIC, PASS(fh), NON_OVERRIDABLE :: close => mp_file_close
PROCEDURE, PRIVATE, PASS(fh_new), NON_OVERRIDABLE :: mp_file_assign
GENERIC, PUBLIC :: ASSIGNMENT(=) => mp_file_assign
PROCEDURE, PUBLIC, PASS(fh), NON_OVERRIDABLE :: get_size => mp_file_get_size
PROCEDURE, PUBLIC, PASS(fh), NON_OVERRIDABLE :: get_position => mp_file_get_position
PROCEDURE, PUBLIC, PASS(fh), NON_OVERRIDABLE :: read_all => mp_file_read_all_chv
PROCEDURE, PUBLIC, PASS(fh), NON_OVERRIDABLE :: write_all => mp_file_write_all_chv
END TYPE
TYPE mp_info_type
PRIVATE
MPI_INFO_TYPE :: handle = mp_info_null_handle
CONTAINS
PROCEDURE, NON_OVERRIDABLE :: set_handle => mp_info_type_set_handle
PROCEDURE, NON_OVERRIDABLE :: get_handle => mp_info_type_get_handle
PROCEDURE, PRIVATE, NON_OVERRIDABLE :: mp_info_op_eq
PROCEDURE, PRIVATE, NON_OVERRIDABLE :: mp_info_op_neq
GENERIC, PUBLIC :: OPERATOR(.EQ.) => mp_info_op_eq
GENERIC, PUBLIC :: OPERATOR(.NE.) => mp_info_op_neq
END TYPE
TYPE, EXTENDS(mp_comm_type) :: mp_cart_type
INTEGER, DIMENSION(:), ALLOCATABLE, PUBLIC :: mepos_cart, num_pe_cart
LOGICAL, DIMENSION(:), ALLOCATABLE, PUBLIC :: periodic
CONTAINS
PROCEDURE, PUBLIC, PASS(comm_cart), NON_OVERRIDABLE :: create => mp_cart_create
PROCEDURE, PUBLIC, PASS(sub_comm), NON_OVERRIDABLE :: from_sub => mp_cart_sub
PROCEDURE, PRIVATE, PASS(comm), NON_OVERRIDABLE :: get_info_cart => mp_cart_get
PROCEDURE, PUBLIC, PASS(comm), NON_OVERRIDABLE :: coords => mp_cart_coords
PROCEDURE, PUBLIC, PASS(comm), NON_OVERRIDABLE :: rank_cart => mp_cart_rank
END TYPE
! **************************************************************************************************
!> \brief stores all the informations relevant to an mpi environment
!> \param owns_group if it owns the group (and thus should free it when
!> this object is deallocated)
!> \param ref_count the reference count, when it is zero this object gets
!> deallocated
!> \par History
!> 08.2002 created [fawzi]
!> \author Fawzi Mohamed
! **************************************************************************************************
TYPE, EXTENDS(mp_comm_type) :: mp_para_env_type
PRIVATE
! We set it to true to have less initialization steps in case we create a new communicator
LOGICAL :: owns_group = .TRUE.
INTEGER :: ref_count = -1
CONTAINS
PROCEDURE, PUBLIC, PASS(para_env), NON_OVERRIDABLE :: retain => mp_para_env_retain
PROCEDURE, PUBLIC, PASS(para_env), NON_OVERRIDABLE :: is_valid => mp_para_env_is_valid
END TYPE mp_para_env_type
! **************************************************************************************************
!> \brief represent a pointer to a para env (to build arrays)
!> \param para_env the pointer to the para_env
!> \par History
!> 07.2003 created [fawzi]
!> \author Fawzi Mohamed
! **************************************************************************************************
TYPE mp_para_env_p_type
TYPE(mp_para_env_type), POINTER :: para_env => NULL()
END TYPE mp_para_env_p_type
! **************************************************************************************************
!> \brief represent a multidimensional parallel environment
!> \param mepos_cart the position of the actual processor
!> \param num_pe_cart number of processors in the group in each dimension
!> \param source_cart id of a special processor (for example the one for i-o,
!> or the master
!> \param owns_group if it owns the group (and thus should free it when
!> this object is deallocated)
!> \param ref_count the reference count, when it is zero this object gets
!> deallocated
!> \note
!> not yet implemented for mpi
!> \par History
!> 08.2002 created [fawzi]
!> \author Fawzi Mohamed
! **************************************************************************************************
TYPE, EXTENDS(mp_cart_type) :: mp_para_cart_type
PRIVATE
! We set it to true to have less initialization steps in case we create a new communicator
LOGICAL :: owns_group = .TRUE.
INTEGER :: ref_count = -1
CONTAINS
PROCEDURE, PUBLIC, PASS(cart), NON_OVERRIDABLE :: retain => mp_para_cart_retain
PROCEDURE, PUBLIC, PASS(cart), NON_OVERRIDABLE :: is_valid => mp_para_cart_is_valid
END TYPE mp_para_cart_type
! Create the constants from the corresponding handles
TYPE(mp_comm_type), PARAMETER, PUBLIC :: mp_comm_null = mp_comm_type(mp_comm_null_handle)
TYPE(mp_comm_type), PARAMETER, PUBLIC :: mp_comm_self = mp_comm_type(mp_comm_self_handle)
TYPE(mp_comm_type), PARAMETER, PUBLIC :: mp_comm_world = mp_comm_type(mp_comm_world_handle)
TYPE(mp_request_type), PARAMETER, PUBLIC :: mp_request_null = mp_request_type(mp_request_null_handle)
TYPE(mp_win_type), PARAMETER, PUBLIC :: mp_win_null = mp_win_type(mp_win_null_handle)
TYPE(mp_file_type), PARAMETER, PUBLIC :: mp_file_null = mp_file_type(mp_file_null_handle)
TYPE(mp_info_type), PARAMETER, PUBLIC :: mp_info_null = mp_info_type(mp_info_null_handle)
#if !defined(__parallel)
! This communicator is to be used in serial mode to emulate a valid communicator which is not a compiler constant
INTEGER, PARAMETER, PRIVATE :: mp_comm_default_handle = 1
TYPE(mp_comm_type), PARAMETER, PRIVATE :: mp_comm_default = mp_comm_type(mp_comm_default_handle)
#endif
! Constants to compare communicators
INTEGER, PARAMETER, PUBLIC :: mp_comm_ident = 0
INTEGER, PARAMETER, PUBLIC :: mp_comm_congruent = 1
INTEGER, PARAMETER, PUBLIC :: mp_comm_similar = 2
INTEGER, PARAMETER, PUBLIC :: mp_comm_unequal = 3
INTEGER, PARAMETER, PUBLIC :: mp_comm_compare_default = -1
! init and error
PUBLIC :: mp_world_init, mp_world_finalize
PUBLIC :: mp_abort
! informational / generation of sub comms
PUBLIC :: mp_dims_create
PUBLIC :: cp2k_is_parallel
PUBLIC :: mp_get_node_global_rank
! message passing
PUBLIC :: mp_waitall, mp_waitany
PUBLIC :: mp_testall, mp_testany
! Memory management
PUBLIC :: mp_allocate, mp_deallocate
! I/O
PUBLIC :: mp_file_delete
PUBLIC :: mp_file_get_amode
! some 'advanced types' currently only used for dbcsr
PUBLIC :: mp_type_descriptor_type
PUBLIC :: mp_type_make
PUBLIC :: mp_type_size
! vector types
PUBLIC :: mp_type_indexed_make_r, mp_type_indexed_make_d, &
mp_type_indexed_make_c, mp_type_indexed_make_z
! More I/O types and routines: variable spaced data using bytes for spacings
PUBLIC :: mp_file_descriptor_type
PUBLIC :: mp_file_type_free
PUBLIC :: mp_file_type_hindexed_make_chv
PUBLIC :: mp_file_type_set_view_chv
PUBLIC :: mp_get_library_version
! assumed to be private
INTERFACE mp_waitall
MODULE PROCEDURE mp_waitall_1, mp_waitall_2
END INTERFACE
INTERFACE mp_testall
MODULE PROCEDURE mp_testall_tv
END INTERFACE
INTERFACE mp_testany
MODULE PROCEDURE mp_testany_1, mp_testany_2
END INTERFACE
INTERFACE mp_type_free
MODULE PROCEDURE mp_type_free_m, mp_type_free_v
END INTERFACE
!
! interfaces to deal easily with scalars / vectors / matrices / ...
! of the different types (integers, doubles, logicals, characters)
!
INTERFACE mp_allocate
MODULE PROCEDURE mp_allocate_i, &
mp_allocate_l, &
mp_allocate_r, &
mp_allocate_d, &
mp_allocate_c, &
mp_allocate_z
END INTERFACE
INTERFACE mp_deallocate
MODULE PROCEDURE mp_deallocate_i, &
mp_deallocate_l, &
mp_deallocate_r, &
mp_deallocate_d, &
mp_deallocate_c, &
mp_deallocate_z
END INTERFACE
INTERFACE mp_type_make
MODULE PROCEDURE mp_type_make_struct
MODULE PROCEDURE mp_type_make_i, mp_type_make_l, &
mp_type_make_r, mp_type_make_d, &
mp_type_make_c, mp_type_make_z
END INTERFACE
INTERFACE mp_alloc_mem
MODULE PROCEDURE mp_alloc_mem_i, mp_alloc_mem_l, &
mp_alloc_mem_d, mp_alloc_mem_z, &
mp_alloc_mem_r, mp_alloc_mem_c
END INTERFACE
INTERFACE mp_free_mem
MODULE PROCEDURE mp_free_mem_i, mp_free_mem_l, &
mp_free_mem_d, mp_free_mem_z, &
mp_free_mem_r, mp_free_mem_c
END INTERFACE
! Type declarations
TYPE mp_indexing_meta_type
INTEGER, DIMENSION(:), POINTER :: index => NULL(), chunks => NULL()
END TYPE mp_indexing_meta_type
TYPE mp_type_descriptor_type
MPI_DATA_TYPE :: type_handle = mp_datatype_null_handle
INTEGER :: length = -1
#if defined(__parallel)
INTEGER(kind=mpi_address_kind) :: base = -1
#endif
INTEGER(kind=int_4), DIMENSION(:), POINTER :: data_i => NULL()
INTEGER(kind=int_8), DIMENSION(:), POINTER :: data_l => NULL()
REAL(kind=real_4), DIMENSION(:), POINTER :: data_r => NULL()
REAL(kind=real_8), DIMENSION(:), POINTER :: data_d => NULL()
COMPLEX(kind=real_4), DIMENSION(:), POINTER :: data_c => NULL()
COMPLEX(kind=real_8), DIMENSION(:), POINTER :: data_z => NULL()
TYPE(mp_type_descriptor_type), DIMENSION(:), POINTER :: subtype => NULL()
INTEGER :: vector_descriptor(2) = -1
LOGICAL :: has_indexing = .FALSE.
TYPE(mp_indexing_meta_type) :: index_descriptor = mp_indexing_meta_type()
END TYPE mp_type_descriptor_type
TYPE mp_file_indexing_meta_type
INTEGER, DIMENSION(:), POINTER :: index => NULL()
INTEGER(kind=file_offset), &
DIMENSION(:), POINTER :: chunks => NULL()
END TYPE mp_file_indexing_meta_type
TYPE mp_file_descriptor_type
MPI_DATA_TYPE :: type_handle = mp_datatype_null_handle
INTEGER :: length = -1
LOGICAL :: has_indexing = .FALSE.
TYPE(mp_file_indexing_meta_type) :: index_descriptor = mp_file_indexing_meta_type()
END TYPE
! we make some assumptions on the length of INTEGERS, REALS and LOGICALS
INTEGER, PARAMETER :: intlen = BIT_SIZE(0)/8
INTEGER, PARAMETER :: reallen = 8
INTEGER, PARAMETER :: loglen = BIT_SIZE(0)/8
INTEGER, PARAMETER :: charlen = 1
LOGICAL, PUBLIC, SAVE :: mp_collect_timings = .FALSE.
CONTAINS
#:mute
#:set types = ["comm", "request", "win", "file", "info"]
#:endmute
#:for type in types
LOGICAL FUNCTION mp_${type}$_op_eq(${type}$1, ${type}$2)
CLASS(mp_${type}$_type), INTENT(IN) :: ${type}$1, ${type}$2
#if defined(__parallel) && defined(__MPI_F08)
mp_${type}$_op_eq = (${type}$1%handle%mpi_val .EQ. ${type}$2%handle%mpi_val)
#else
mp_${type}$_op_eq = (${type}$1%handle .EQ. ${type}$2%handle)
#endif
END FUNCTION mp_${type}$_op_eq
LOGICAL FUNCTION mp_${type}$_op_neq(${type}$1, ${type}$2)
CLASS(mp_${type}$_type), INTENT(IN) :: ${type}$1, ${type}$2
#if defined(__parallel) && defined(__MPI_F08)
mp_${type}$_op_neq = (${type}$1%handle%mpi_val .NE. ${type}$2%handle%mpi_val)
#else
mp_${type}$_op_neq = (${type}$1%handle .NE. ${type}$2%handle)
#endif
END FUNCTION mp_${type}$_op_neq
ELEMENTAL #{if type=="comm"}#IMPURE #{endif}#SUBROUTINE mp_${type}$_type_set_handle(this, handle #{if type=="comm"}#, ndims#{endif}#)
CLASS(mp_${type}$_type), INTENT(INOUT) :: this
INTEGER, INTENT(IN) :: handle
#:if type=="comm"
INTEGER, INTENT(IN), OPTIONAL :: ndims