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definitions.f90
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definitions.f90
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!Crown Copyright 2014 AWE.
!
! This file is part of TeaLeaf.
!
! TeaLeaf 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 3 of the License, or (at your option)
! any later version.
!
! TeaLeaf 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
! TeaLeaf. If not, see http://www.gnu.org/licenses/.
!> @brief Holds the high level Fortran data types
!> @author David Beckingsale, Wayne Gaudin
!> @details The high level data types used to store the mesh and field data
!> are defined here.
!>
!> Also the global variables used for defining the input and controlling the
!> scheme are defined here.
MODULE definitions_module
USE data_module
IMPLICIT NONE
TYPE state_type
LOGICAL :: defined
REAL(KIND=8) :: density &
,energy
INTEGER :: geometry
REAL(KIND=8) :: xmin &
,xmax &
,ymin &
,ymax &
,radius
END TYPE state_type
TYPE(state_type), ALLOCATABLE :: states(:)
INTEGER :: number_of_states
TYPE grid_type
REAL(KIND=8) :: xmin &
,ymin &
,xmax &
,ymax
INTEGER :: x_cells &
,y_cells
END TYPE grid_type
INTEGER :: step
INTEGER :: error_condition
INTEGER :: test_problem
LOGICAL :: complete
LOGICAL :: use_fortran_kernels
LOGICAL :: tl_use_chebyshev
LOGICAL :: tl_use_cg
LOGICAL :: tl_use_ppcg
LOGICAL :: tl_use_jacobi
LOGICAL :: verbose_on
INTEGER :: max_iters
REAL(KIND=8) :: eps
INTEGER :: coefficient
! for chebyshev solver - whether to run cg until a certain error (tl_ch_eps)
! is reached, or for a certain number of steps (tl_ch_cg_presteps)
LOGICAL :: tl_ch_cg_errswitch
! error to run cg to if tl_ch_cg_errswitch is set
REAL(KIND=8) :: tl_ch_cg_epslim
! number of steps of cg to run to before switching to ch if tl_ch_cg_errswitch not set
INTEGER :: tl_ch_cg_presteps
! do b-Ax after finishing to make sure solver actually converged
LOGICAL :: tl_check_result
! number of inner steps in ppcg solver
INTEGER :: tl_ppcg_inner_steps
! preconditioner is on or not
LOGICAL :: tl_preconditioner_on
LOGICAL :: use_vector_loops ! Some loops work better in serial depending on the hardware
LOGICAL :: profiler_on ! Internal code profiler to make comparisons across systems easier
! AMGx
LOGICAL :: use_amgx
TYPE profiler_type
REAL(KIND=8) :: timestep &
,visit &
,summary &
,tea_init &
,tea_solve &
,tea_reset &
,set_field &
,dot_product &
,halo_exchange
END TYPE profiler_type
TYPE(profiler_type) :: profiler
REAL(KIND=8) :: end_time
INTEGER :: end_step
REAL(KIND=8) :: dt &
,time &
,dtinit
INTEGER :: visit_frequency &
,summary_frequency
INTEGER :: jdt,kdt
TYPE field_type
REAL(KIND=8), DIMENSION(:,:), ALLOCATABLE :: density
REAL(KIND=8), DIMENSION(:,:), ALLOCATABLE :: energy0,energy1
REAL(KIND=8), DIMENSION(:,:), ALLOCATABLE :: u, u0
REAL(KIND=8), DIMENSION(:,:), ALLOCATABLE :: vector_p
REAL(KIND=8), DIMENSION(:,:), ALLOCATABLE :: vector_r
REAL(KIND=8), DIMENSION(:,:), ALLOCATABLE :: vector_Mi
REAL(KIND=8), DIMENSION(:,:), ALLOCATABLE :: vector_w
REAL(KIND=8), DIMENSION(:,:), ALLOCATABLE :: vector_z
REAL(KIND=8), DIMENSION(:,:), ALLOCATABLE :: vector_Kx
REAL(KIND=8), DIMENSION(:,:), ALLOCATABLE :: vector_Ky
REAL(KIND=8), DIMENSION(:,:), ALLOCATABLE :: vector_sd
INTEGER :: left &
,right &
,bottom &
,top &
,left_boundary &
,right_boundary &
,bottom_boundary &
,top_boundary
INTEGER :: x_min &
,y_min &
,x_max &
,y_max
REAL(KIND=8), DIMENSION(:), ALLOCATABLE :: cellx &
,celly &
,vertexx &
,vertexy &
,celldx &
,celldy &
,vertexdx &
,vertexdy
REAL(KIND=8), DIMENSION(:,:), ALLOCATABLE :: volume &
,xarea &
,yarea
END TYPE field_type
TYPE chunk_type
INTEGER :: task !mpi task
INTEGER :: chunk_neighbours(4) ! Chunks, not tasks, so we can overload in the future
! Idealy, create an array to hold the buffers for each field so a commuincation only needs
! one send and one receive per face, rather than per field.
! If chunks are overloaded, i.e. more chunks than tasks, might need to pack for a task to task comm
! rather than a chunk to chunk comm. See how performance is at high core counts before deciding
REAL(KIND=8),ALLOCATABLE:: left_rcv_buffer(:),right_rcv_buffer(:),bottom_rcv_buffer(:),top_rcv_buffer(:)
REAL(KIND=8),ALLOCATABLE:: left_snd_buffer(:),right_snd_buffer(:),bottom_snd_buffer(:),top_snd_buffer(:)
TYPE(field_type):: field
END TYPE chunk_type
TYPE(chunk_type), ALLOCATABLE :: chunks(:)
INTEGER :: number_of_chunks
TYPE(grid_type) :: grid
END MODULE definitions_module