tem_comm_env_init Subroutine

  1. tem_comm_env_module.f90
  2. tem_comm_env_module
  3. tem_comm_env_init

public subroutine tem_comm_env_init(proc, comm)

Initialize the environment. This routine is called by tem_start which should be the very first action in a program.

Arguments

Type IntentOptional AttributesName
type(tem_comm_env_type) :: proc

The process communicator type
integer, intent(in), optional :: comm

mpi communicator if it is predefined as in apesmate

Calls

proc~~tem_comm_env_init~~CallsGraph proc~tem_comm_env_init tem_comm_env_init mpi_comm_size mpi_comm_size proc~tem_comm_env_init->mpi_comm_size mpi_comm_rank mpi_comm_rank proc~tem_comm_env_init->mpi_comm_rank

Called by

proc~~tem_comm_env_init~~CalledByGraph proc~tem_comm_env_init tem_comm_env_init proc~tem_start tem_start proc~tem_start->proc~tem_comm_env_init proc~load_env load_env proc~load_env->proc~tem_start program~tem_sparta_test tem_sparta_test program~tem_sparta_test->proc~tem_start proc~check_serial_multilevel_facedesc check_serial_multilevel_faceDesc proc~check_serial_multilevel_facedesc->proc~tem_start program~bin_search_test bin_search_test program~bin_search_test->proc~tem_start program~tem_spacetime_fun_test tem_spacetime_fun_test program~tem_spacetime_fun_test->proc~load_env program~tem_variable_evaltype_test tem_variable_evaltype_test program~tem_variable_evaltype_test->proc~load_env program~tem_varsys_stfunvar_test tem_varSys_stfunVar_test program~tem_varsys_stfunvar_test->proc~load_env program~tem_varsys_derivevar_test tem_varSys_deriveVar_test program~tem_varsys_derivevar_test->proc~load_env proc~check_serial_singlelevel_facedesc check_serial_singlelevel_faceDesc proc~check_serial_singlelevel_facedesc->proc~load_env program~tem_variable_extract_test tem_variable_extract_test program~tem_variable_extract_test->proc~load_env program~tem_varsys_statevar_test tem_varSys_stateVar_test program~tem_varsys_statevar_test->proc~load_env proc~check_parallel_singlelevel_facedesc check_parallel_singlelevel_faceDesc proc~check_parallel_singlelevel_facedesc->proc~load_env proc~check_variableoperations check_variableOperations proc~check_variableoperations->proc~load_env program~tem_varsys_test tem_varSys_test program~tem_varsys_test->proc~load_env program~tem_variable_combine_test tem_variable_combine_Test program~tem_variable_combine_test->proc~load_env program~tem_face_test~3 tem_face_test program~tem_face_test~3->proc~check_serial_multilevel_facedesc program~tem_varsys_opvar_test tem_varSys_opVar_test program~tem_varsys_opvar_test->proc~load_env program~tem_face_test tem_face_test program~tem_face_test->proc~check_parallel_singlelevel_facedesc program~tem_face_test~2 tem_face_test program~tem_face_test~2->proc~check_serial_singlelevel_facedesc program~tem_logical_opertor_test tem_logical_opertor_test program~tem_logical_opertor_test->proc~check_variableoperations

Contents

Source Code

tem_comm_env_init

Source Code

  subroutine tem_comm_env_init( proc, comm )
    ! --------------------------------------------------------------------------=
    !> The process communicator type
    type( tem_comm_env_type ) :: proc
    !> mpi communicator if it is predefined as in apesmate
    integer, intent(in), optional :: comm
    ! ---------------------------------------------------------------------------
    !> Error flag
    integer :: iError
    ! --------------------------------------------------------------------------

    proc%nThreads = 1
    !$ proc%nThreads = omp_get_max_threads()

    ! Init MPI rank, size and root
    ! if communicator is predefiend and passed use that one
    ! else default to mpi_comm_world
    if(present(comm)) then
      proc%comm = comm
    else
      !KM: with this call proc%comm must be freed by mpi_comm_free
      !so directly setting proc%comm = MPI_COMM_WORLD
      !call mpi_comm_dup( mpi_comm_world, proc%comm, iError )
      proc%comm = mpi_comm_world
    endif

    call mpi_comm_rank( proc%comm, proc%rank, iError )
    call mpi_comm_size( proc%comm, proc%comm_size, iError )
    proc%root = 0

    if ( proc%rank == proc%root ) then
      proc%isRoot = .true.
    else
      proc%isRoot = .false.
    end if

  end subroutine tem_comm_env_init