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advection.f90
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advection.f90
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!Crown Copyright 2012 AWE.
!
! This file is part of CloverLeaf.
!
! CloverLeaf 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.
!
! CloverLeaf 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
! CloverLeaf. If not, see http://www.gnu.org/licenses/.
!> @brief Top level advection driver
!> @author Wayne Gaudin
!> @details Controls the advection step and invokes required communications.
MODULE advection_module
CONTAINS
SUBROUTINE advection()
USE clover_module
USE advec_cell_driver_module
USE advec_mom_driver_module
USE update_halo_module
IMPLICIT NONE
INTEGER :: sweep_number,direction,tile
INTEGER :: xvel,yvel
INTEGER :: fields(NUM_FIELDS)
REAL(KIND=8) :: kernel_time,timer
sweep_number=1
IF(advect_x) direction=g_xdir
IF(.not.advect_x) direction=g_ydir
xvel=g_xdir
yvel=g_ydir
fields=0
fields(FIELD_ENERGY1)=1
fields(FIELD_DENSITY1)=1
fields(FIELD_VOL_FLUX_X)=1
fields(FIELD_VOL_FLUX_Y)=1
CALL update_halo(fields,2)
IF(profiler_on) kernel_time=timer()
DO tile=1,tiles_per_chunk
CALL advec_cell_driver(tile,sweep_number,direction)
ENDDO
IF(profiler_on) profiler%cell_advection=profiler%cell_advection+(timer()-kernel_time)
fields=0
fields(FIELD_DENSITY1)=1
fields(FIELD_ENERGY1)=1
fields(FIELD_XVEL1)=1
fields(FIELD_YVEL1)=1
fields(FIELD_MASS_FLUX_X)=1
fields(FIELD_MASS_FLUX_y)=1
CALL update_halo(fields,2)
IF(profiler_on) kernel_time=timer()
DO tile=1,tiles_per_chunk
CALL advec_mom_driver(tile,xvel,direction,sweep_number)
CALL advec_mom_driver(tile,yvel,direction,sweep_number)
ENDDO
IF(profiler_on) profiler%mom_advection=profiler%mom_advection+(timer()-kernel_time)
sweep_number=2
IF(advect_x) direction=g_ydir
IF(.not.advect_x) direction=g_xdir
IF(profiler_on) kernel_time=timer()
DO tile=1,tiles_per_chunk
CALL advec_cell_driver(tile,sweep_number,direction)
ENDDO
IF(profiler_on) profiler%cell_advection=profiler%cell_advection+(timer()-kernel_time)
fields=0
fields(FIELD_DENSITY1)=1
fields(FIELD_ENERGY1)=1
fields(FIELD_XVEL1)=1
fields(FIELD_YVEL1)=1
fields(FIELD_MASS_FLUX_X)=1
fields(FIELD_MASS_FLUX_y)=1
CALL update_halo(fields,2)
IF(profiler_on) kernel_time=timer()
DO tile=1,tiles_per_chunk
CALL advec_mom_driver(tile,xvel,direction,sweep_number)
CALL advec_mom_driver(tile,yvel,direction,sweep_number)
ENDDO
IF(profiler_on) profiler%mom_advection=profiler%mom_advection+(timer()-kernel_time)
END SUBROUTINE advection
END MODULE advection_module