accelerate.f90

!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 Driver for the acceleration kernels
!>  @author Wayne Gaudin
!>  @details Calls user requested kernel

MODULE accelerate_module

CONTAINS

SUBROUTINE accelerate()

  USE clover_module
  USE accelerate_kernel_module

  IMPLICIT NONE

  INTEGER :: c

  REAL(KIND=8) :: kernel_time,timer

  IF(profiler_on) kernel_time=timer()
  DO c=1,number_of_chunks

    IF(chunks(c)%task.EQ.parallel%task) THEN

      IF(use_fortran_kernels) THEN
        CALL accelerate_kernel(chunks(c)%field%x_min,                &
                             chunks(c)%field%x_max,                  &
                             chunks(c)%field%y_min,                  &
                             chunks(c)%field%y_max,                  &
                             dt,                                     &
                             chunks(c)%field%xarea,                  &
                             chunks(c)%field%yarea,                  &
                             chunks(c)%field%volume,                 &
                             chunks(c)%field%density0,               &
                             chunks(c)%field%pressure,               &
                             chunks(c)%field%viscosity,              &
                             chunks(c)%field%xvel0,                  &
                             chunks(c)%field%yvel0,                  &
                             chunks(c)%field%xvel1,                  &
                             chunks(c)%field%yvel1,                  &
                             chunks(c)%field%work_array1             )
      ELSEIF(use_cuda_kernels)THEN
        CALL accelerate_kernel_cuda(dt)
      ELSEIF(use_C_kernels)THEN
        CALL accelerate_kernel_c(chunks(c)%field%x_min,              &
                             chunks(c)%field%x_max,                  &
                             chunks(c)%field%y_min,                  &
                             chunks(c)%field%y_max,                  &
                             dt,                                     &
                             chunks(c)%field%xarea,                  &
                             chunks(c)%field%yarea,                  &
                             chunks(c)%field%volume,                 &
                             chunks(c)%field%density0,               &
                             chunks(c)%field%pressure,               &
                             chunks(c)%field%viscosity,              &
                             chunks(c)%field%xvel0,                  &
                             chunks(c)%field%yvel0,                  &
                             chunks(c)%field%xvel1,                  &
                             chunks(c)%field%yvel1,                  &
                             chunks(c)%field%work_array1             )
      ENDIF

    ENDIF

  ENDDO
  IF(profiler_on) profiler%acceleration=profiler%acceleration+(timer()-kernel_time)

END SUBROUTINE accelerate

END MODULE accelerate_module