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AuxiliaryRoutines.F90
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AuxiliaryRoutines.F90
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! !
! FILE: AuxiliaryRoutines.F90 !
! CONTAINS: subroutines Allocate*,Destroy* !
! !
! PURPOSE: Auxiliary routines used for memory allocs !
! and memory freeing !
!
! Generic interface for host and device variables !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
module AuxiliaryRoutines
use precision
interface AllocateReal1DArray
module procedure AllocateReal1DArray_cpu
#ifdef USE_CUDA
module procedure AllocateReal1DArray_gpu
#endif
end interface AllocateReal1DArray
interface AllocateInt1DArray
module procedure AllocateInt1DArray_cpu
#ifdef USE_CUDA
module procedure AllocateInt1DArray_gpu
#endif
end interface AllocateInt1DArray
interface AllocateReal2DArray
module procedure AllocateReal2DArray_cpu
#ifdef USE_CUDA
module procedure AllocateReal2DArray_gpu
#endif
end interface AllocateReal2DArray
interface AllocateReal3DArray
module procedure AllocateReal3DArray_cpu
#ifdef USE_CUDA
module procedure AllocateReal3DArray_gpu
#endif
end interface AllocateReal3DArray
contains
subroutine AllocateReal1DArray_cpu(var,st1,en1)
use decomp_2d
implicit none
integer, intent(in) :: st1,en1
real(fp_kind),allocatable,dimension(:),intent(inout) :: var
integer :: alloc_stat, errorcode
if (.not. allocated(var)) allocate(var(st1:en1), stat=alloc_stat)
if (alloc_stat /= 0) then
call decomp_2d_abort(errorcode, &
'Memory allocation failed when creating new arrays')
end if
var =real(0.0,fp_kind)
return
end subroutine AllocateReal1DArray_cpu
!===========================================================================
subroutine AllocateInt1DArray_cpu(var,st1,en1)
use decomp_2d
implicit none
integer, intent(in) :: st1,en1
integer,allocatable,dimension(:),intent(inout) :: var
integer :: alloc_stat, errorcode
if (.not. allocated(var)) allocate(var(st1:en1), stat=alloc_stat)
if (alloc_stat /= 0) then
errorcode = 8
call decomp_2d_abort(errorcode, &
'Memory allocation failed when creating new arrays')
end if
var =0
return
end subroutine AllocateInt1DArray_cpu
!===========================================================================
subroutine AllocateReal2DArray_cpu(var,st1,en1,st2,en2)
use decomp_2d
implicit none
integer, intent(in) :: st1,en1,st2,en2
real(fp_kind),allocatable,dimension(:,:),intent(inout) :: var
integer :: alloc_stat, errorcode
if (.not. allocated(var)) allocate(var(st1:en1,st2:en2), stat=alloc_stat)
if (alloc_stat /= 0) then
errorcode = 8
call decomp_2d_abort(errorcode, &
'Memory allocation failed when creating new arrays')
end if
var =real(0.0,fp_kind)
return
end subroutine AllocateReal2DArray_cpu
!===========================================================================
subroutine AllocateReal3DArray_cpu(var,st1,en1,st2,en2,st3,en3)
use decomp_2d
implicit none
integer, intent(in) :: st1,en1,st2,en2,st3,en3
real(fp_kind),allocatable,dimension(:,:,:),intent(inout) :: var
integer :: alloc_stat, errorcode
if (.not. allocated(var)) allocate(var(st1:en1,st2:en2,st3:en3), stat=alloc_stat)
if (alloc_stat /= 0) then
errorcode = 8
call decomp_2d_abort(errorcode, &
'Memory allocation failed when creating new arrays')
end if
var =real(0.0,fp_kind)
return
end subroutine AllocateReal3DArray_cpu
#ifdef USE_CUDA
subroutine AllocateReal1DArray_gpu(var,st1,en1)
use cudafor
use decomp_2d
implicit none
integer, intent(in) :: st1,en1
real(fp_kind),device,allocatable,dimension(:),intent(inout) :: var
integer :: alloc_stat, errorcode
if (.not. allocated(var)) allocate(var(st1:en1), stat=alloc_stat)
if (alloc_stat /= 0) then
call decomp_2d_abort(errorcode, &
'Memory allocation failed when creating new arrays')
end if
var =real(0.0,fp_kind)
return
end subroutine AllocateReal1DArray_gpu
subroutine AllocateInt1DArray_gpu(var,st1,en1)
use cudafor
use decomp_2d
implicit none
integer, intent(in) :: st1,en1
integer,device,allocatable,dimension(:),intent(inout) :: var
integer :: alloc_stat, errorcode
if (.not. allocated(var)) allocate(var(st1:en1), stat=alloc_stat)
if (alloc_stat /= 0) then
errorcode = 8
call decomp_2d_abort(errorcode, &
'Memory allocation failed when creating new arrays')
end if
var =0
return
end subroutine AllocateInt1DArray_gpu
subroutine AllocateReal2DArray_gpu(var,st1,en1,st2,en2)
use cudafor
use decomp_2d
implicit none
integer, intent(in) :: st1,en1,st2,en2
real(fp_kind),device,allocatable,dimension(:,:),intent(inout) :: var
integer :: alloc_stat, errorcode
if (.not. allocated(var)) allocate(var(st1:en1,st2:en2), stat=alloc_stat)
if (alloc_stat /= 0) then
errorcode = 8
call decomp_2d_abort(errorcode, &
'Memory allocation failed when creating new arrays')
end if
var =real(0.0,fp_kind)
return
end subroutine AllocateReal2DArray_gpu
subroutine AllocateReal3DArray_gpu(var,st1,en1,st2,en2,st3,en3)
use cudafor
use decomp_2d
implicit none
integer, intent(in) :: st1,en1,st2,en2,st3,en3
real(fp_kind),device,allocatable,dimension(:,:,:),intent(inout) :: var
integer :: alloc_stat, errorcode
if (.not. allocated(var)) allocate(var(st1:en1,st2:en2,st3:en3),stat=alloc_stat)
if (alloc_stat /= 0) then
errorcode = 8
call decomp_2d_abort(errorcode, &
'Memory allocation failed when creating new arrays')
end if
var =real(0.0,fp_kind)
return
end subroutine AllocateReal3DArray_gpu
#endif
!===========================================================================
subroutine DestroyReal1DArray(var)
use decomp_2d
implicit none
real(fp_kind),allocatable,dimension(:),intent(inout) :: var
if (allocated(var)) deallocate(var)
return
end subroutine DestroyReal1DArray
!===========================================================================
subroutine DestroyInt1DArray(var)
use decomp_2d
implicit none
integer,allocatable,dimension(:),intent(inout) :: var
if (allocated(var)) deallocate(var)
return
end subroutine DestroyInt1DArray
!===========================================================================
subroutine DestroyReal2DArray(var)
use decomp_2d
implicit none
real(fp_kind),allocatable,dimension(:,:),intent(inout) :: var
if (allocated(var)) deallocate(var)
return
end subroutine DestroyReal2DArray
!===========================================================================
subroutine DestroyReal3DArray(var)
use decomp_2d
implicit none
real(fp_kind),allocatable,dimension(:,:,:),intent(inout) :: var
if (allocated(var)) deallocate(var)
return
end subroutine DestroyReal3DArray
end module AuxiliaryRoutines