calc_mode_par.F90

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!! Copyright (C) 2002-2024 M. Marques, A. Castro, A. Rubio, G. Bertsch, A. Buccheri
!!
!! This program is free software; you can redistribute it and/or modify
!! it under the terms of the GNU General Public License as published by
!! the Free Software Foundation; either version 2, or (at your option)
!! any later version.
!!
!! This program is distributed in the hope that it will be useful,
!! but WITHOUT ANY WARRANTY; without even the implied warranty of
!! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
!! GNU General Public License for more details.
!!
!! You should have received a copy of the GNU General Public License
!! along with this program; if not, write to the Free Software
!! Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
!! 02110-1301, USA.
!!
 
#include "global.h"
 
module calc_mode_par_oct_m
  use debug_oct_m
  use global_oct_m
 
  implicit none
 
  private
  public ::          &
    calc_mode_par_t, &
    calc_mode_par
 
  integer, public, parameter ::    &
    P_STRATEGY_SERIAL  = 0,          & !< single domain, all states, k-points on a single processor
    p_strategy_domains = 1,          & 
    p_strategy_states  = 2,          & 
    p_strategy_kpoints = 3,          & 
    p_strategy_other   = 4,          & 
    p_strategy_max     = 4
 
  integer, parameter :: default_parallelization_mask =  ior(ibset(p_strategy_serial, p_strategy_domains - 1), &
    ibset(p_strategy_serial, p_strategy_kpoints - 1))
 
  type calc_mode_par_t
    private
    integer :: par_mask = default_parallelization_mask        
    integer :: def_par_mask = default_parallelization_mask    
    logical :: scalapack_compat_ = .false.  
  contains
    procedure :: set_parallelization => calc_mode_par_set_parallelization
    procedure :: unset_parallelization => calc_mode_par_unset_parallelization
    procedure :: set_scalapack_compat => calc_mode_par_set_scalapack_compat
    procedure :: scalapack_compat => calc_mode_par_scalapack_compat
    procedure :: parallel_mask => calc_mode_par_parallel_mask
    procedure :: default_parallel_mask => calc_mode_par_default_parallel_mask
  end type calc_mode_par_t
 
  type(calc_mode_par_t) :: calc_mode_par
 
contains
 
  subroutine calc_mode_par_set_parallelization(this, par, default)
    class(calc_mode_par_t), intent(inout) :: this
    integer, intent(in) :: par
    logical, intent(in) :: default
 
    push_sub(calc_mode_par_set_parallelization)
 
    this%par_mask = ibset(this%par_mask, par - 1)
    if (default) this%def_par_mask = ibset(this%def_par_mask, par - 1)
 
    pop_sub(calc_mode_par_set_parallelization)
 
  end subroutine calc_mode_par_set_parallelization
 
  subroutine calc_mode_par_unset_parallelization(this, par)
    class(calc_mode_par_t), intent(inout) :: this
    integer, intent(in) :: par
 
    push_sub(calc_mode_par_unset_parallelization)
 
    this%par_mask = ibclr(this%par_mask, par - 1)
    this%def_par_mask = ibclr(this%def_par_mask, par - 1)
 
    pop_sub(calc_mode_par_unset_parallelization)
 
  end subroutine calc_mode_par_unset_parallelization
 
  subroutine calc_mode_par_set_scalapack_compat(this)
    class(calc_mode_par_t), intent(inout) :: this
 
    push_sub(calc_mode_par_set_scalapack_compat)
 
    this%scalapack_compat_ = .true.
 
    pop_sub(calc_mode_par_set_scalapack_compat)
 
  end subroutine calc_mode_par_set_scalapack_compat
 
  logical pure function calc_mode_par_scalapack_compat(this) result(compat)
    class(calc_mode_par_t), intent(in) :: this
 
    compat = this%scalapack_compat_
 
  end function calc_mode_par_scalapack_compat
 
  integer pure function calc_mode_par_parallel_mask(this) result(par_mask)
    class(calc_mode_par_t), intent(in) :: this
 
    par_mask = this%par_mask
 
  end function calc_mode_par_parallel_mask
 
  integer pure function calc_mode_par_default_parallel_mask(this) result(par_mask)
    class(calc_mode_par_t), intent(in) :: this
 
    par_mask = this%def_par_mask
 
  end function calc_mode_par_default_parallel_mask
 
end module calc_mode_par_oct_m
 
!! Local Variables:
!! mode: f90
!! coding: utf-8
!! End: