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520 lines
13 KiB
Fortran
520 lines
13 KiB
Fortran
module psb_l_oacc_vect_mod
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use iso_c_binding
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use openacc
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use psb_const_mod
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use psb_error_mod
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use psb_l_vect_mod
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use psb_i_vect_mod
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use psb_i_oacc_vect_mod
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integer(psb_ipk_), parameter, private :: is_host = -1
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integer(psb_ipk_), parameter, private :: is_sync = 0
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integer(psb_ipk_), parameter, private :: is_dev = 1
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type, extends(psb_l_base_vect_type) :: psb_l_vect_oacc
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integer :: state = is_host
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contains
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procedure, pass(x) :: get_nrows => l_oacc_get_nrows
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procedure, nopass :: get_fmt => l_oacc_get_fmt
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procedure, pass(x) :: all => l_oacc_vect_all
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procedure, pass(x) :: zero => l_oacc_zero
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procedure, pass(x) :: asb_m => l_oacc_asb_m
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procedure, pass(x) :: sync => l_oacc_sync
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procedure, pass(x) :: sync_space => l_oacc_sync_space
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procedure, pass(x) :: bld_x => l_oacc_bld_x
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procedure, pass(x) :: bld_mn => l_oacc_bld_mn
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procedure, pass(x) :: free => l_oacc_vect_free
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procedure, pass(x) :: ins_a => l_oacc_ins_a
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procedure, pass(x) :: ins_v => l_oacc_ins_v
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procedure, pass(x) :: is_host => l_oacc_is_host
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procedure, pass(x) :: is_dev => l_oacc_is_dev
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procedure, pass(x) :: is_sync => l_oacc_is_sync
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procedure, pass(x) :: set_host => l_oacc_set_host
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procedure, pass(x) :: set_dev => l_oacc_set_dev
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procedure, pass(x) :: set_sync => l_oacc_set_sync
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procedure, pass(x) :: set_scal => l_oacc_set_scal
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procedure, pass(x) :: gthzv_x => l_oacc_gthzv_x
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procedure, pass(x) :: gthzbuf_x => l_oacc_gthzbuf
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procedure, pass(y) :: sctb => l_oacc_sctb
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procedure, pass(y) :: sctb_x => l_oacc_sctb_x
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procedure, pass(y) :: sctb_buf => l_oacc_sctb_buf
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procedure, pass(x) :: get_size => l_oacc_get_size
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end type psb_l_vect_oacc
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contains
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subroutine l_oacc_sctb_buf(i, n, idx, beta, y)
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use psb_base_mod
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implicit none
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integer(psb_ipk_) :: i, n
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class(psb_i_base_vect_type) :: idx
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integer(psb_lpk_) :: beta
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class(psb_l_vect_oacc) :: y
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integer(psb_ipk_) :: info
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if (.not.allocated(y%combuf)) then
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call psb_errpush(psb_err_alloc_dealloc_, 'sctb_buf')
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return
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end if
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select type(ii => idx)
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class is (psb_i_vect_oacc)
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if (ii%is_host()) call ii%sync()
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if (y%is_host()) call y%sync()
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!$acc parallel loop
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do i = 1, n
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y%v(ii%v(i)) = beta * y%v(ii%v(i)) + y%combuf(i)
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end do
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class default
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!$acc parallel loop
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do i = 1, n
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y%v(idx%v(i)) = beta * y%v(idx%v(i)) + y%combuf(i)
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end do
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end select
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end subroutine l_oacc_sctb_buf
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subroutine l_oacc_sctb_x(i, n, idx, x, beta, y)
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use psb_base_mod
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implicit none
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integer(psb_ipk_):: i, n
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class(psb_i_base_vect_type) :: idx
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integer(psb_lpk_) :: beta, x(:)
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class(psb_l_vect_oacc) :: y
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integer(psb_ipk_) :: info, ni
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select type(ii => idx)
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class is (psb_i_vect_oacc)
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if (ii%is_host()) call ii%sync()
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class default
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call psb_errpush(info, 'l_oacc_sctb_x')
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return
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end select
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if (y%is_host()) call y%sync()
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!$acc parallel loop
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do i = 1, n
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y%v(idx%v(i)) = beta * y%v(idx%v(i)) + x(i)
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end do
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call y%set_dev()
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end subroutine l_oacc_sctb_x
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subroutine l_oacc_sctb(n, idx, x, beta, y)
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use psb_base_mod
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implicit none
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integer(psb_ipk_) :: n
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integer(psb_ipk_) :: idx(:)
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integer(psb_lpk_) :: beta, x(:)
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class(psb_l_vect_oacc) :: y
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integer(psb_ipk_) :: info
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integer(psb_ipk_) :: i
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if (n == 0) return
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if (y%is_dev()) call y%sync()
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!$acc parallel loop
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do i = 1, n
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y%v(idx(i)) = beta * y%v(idx(i)) + x(i)
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end do
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call y%set_host()
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end subroutine l_oacc_sctb
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subroutine l_oacc_gthzbuf(i, n, idx, x)
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use psb_base_mod
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implicit none
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integer(psb_ipk_) :: i, n
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class(psb_i_base_vect_type) :: idx
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class(psb_l_vect_oacc) :: x
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integer(psb_ipk_) :: info
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info = 0
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if (.not.allocated(x%combuf)) then
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call psb_errpush(psb_err_alloc_dealloc_, 'gthzbuf')
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return
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end if
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select type(ii => idx)
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class is (psb_i_vect_oacc)
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if (ii%is_host()) call ii%sync()
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class default
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call psb_errpush(info, 'l_oacc_gthzbuf')
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return
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end select
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if (x%is_host()) call x%sync()
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!$acc parallel loop
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do i = 1, n
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x%combuf(i) = x%v(idx%v(i))
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end do
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end subroutine l_oacc_gthzbuf
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subroutine l_oacc_gthzv_x(i, n, idx, x, y)
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use psb_base_mod
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implicit none
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integer(psb_ipk_) :: i, n
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class(psb_i_base_vect_type):: idx
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integer(psb_lpk_) :: y(:)
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class(psb_l_vect_oacc):: x
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integer(psb_ipk_) :: info
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info = 0
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select type(ii => idx)
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class is (psb_i_vect_oacc)
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if (ii%is_host()) call ii%sync()
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class default
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call psb_errpush(info, 'l_oacc_gthzv_x')
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return
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end select
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if (x%is_host()) call x%sync()
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!$acc parallel loop
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do i = 1, n
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y(i) = x%v(idx%v(i))
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end do
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end subroutine l_oacc_gthzv_x
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subroutine l_oacc_ins_v(n, irl, val, dupl, x, info)
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use psi_serial_mod
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implicit none
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class(psb_l_vect_oacc), intent(inout) :: x
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integer(psb_ipk_), intent(in) :: n, dupl
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class(psb_i_base_vect_type), intent(inout) :: irl
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class(psb_l_base_vect_type), intent(inout) :: val
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_) :: i, isz
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logical :: done_oacc
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info = 0
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if (psb_errstatus_fatal()) return
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done_oacc = .false.
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select type(virl => irl)
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type is (psb_i_vect_oacc)
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select type(vval => val)
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type is (psb_l_vect_oacc)
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if (vval%is_host()) call vval%sync()
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if (virl%is_host()) call virl%sync()
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if (x%is_host()) call x%sync()
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!$acc parallel loop
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do i = 1, n
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x%v(virl%v(i)) = vval%v(i)
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end do
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call x%set_dev()
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done_oacc = .true.
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end select
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end select
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if (.not.done_oacc) then
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select type(virl => irl)
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type is (psb_i_vect_oacc)
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if (virl%is_dev()) call virl%sync()
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end select
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select type(vval => val)
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type is (psb_l_vect_oacc)
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if (vval%is_dev()) call vval%sync()
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end select
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call x%ins(n, irl%v, val%v, dupl, info)
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end if
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if (info /= 0) then
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call psb_errpush(info, 'oacc_vect_ins')
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return
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end if
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end subroutine l_oacc_ins_v
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subroutine l_oacc_ins_a(n, irl, val, dupl, x, info)
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use psi_serial_mod
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implicit none
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class(psb_l_vect_oacc), intent(inout) :: x
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integer(psb_ipk_), intent(in) :: n, dupl
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integer(psb_ipk_), intent(in) :: irl(:)
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integer(psb_lpk_), intent(in) :: val(:)
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_) :: i
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info = 0
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if (x%is_dev()) call x%sync()
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call x%psb_l_base_vect_type%ins(n, irl, val, dupl, info)
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call x%set_host()
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!$acc update device(x%v)
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end subroutine l_oacc_ins_a
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subroutine l_oacc_bld_mn(x, n)
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use psb_base_mod
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implicit none
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integer(psb_mpk_), intent(in) :: n
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class(psb_l_vect_oacc), intent(inout) :: x
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integer(psb_ipk_) :: info
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call x%all(n, info)
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if (info /= 0) then
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call psb_errpush(info, 'l_oacc_bld_mn', i_err=(/n, n, n, n, n/))
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end if
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call x%set_host()
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if (acc_is_present(x%v)) then
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!$acc exit data delete(x%v) finalize
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end if
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!$acc enter data copyin(x%v)
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end subroutine l_oacc_bld_mn
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subroutine l_oacc_bld_x(x, this)
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use psb_base_mod
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implicit none
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integer(psb_lpk_), intent(in) :: this(:)
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class(psb_l_vect_oacc), intent(inout) :: x
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integer(psb_ipk_) :: info
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call psb_realloc(size(this), x%v, info)
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if (info /= 0) then
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info = psb_err_alloc_request_
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call psb_errpush(info, 'l_oacc_bld_x', &
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i_err=(/size(this), izero, izero, izero, izero/))
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return
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end if
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x%v(:) = this(:)
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call x%set_host()
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if (acc_is_present(x%v)) then
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!$acc exit data delete(x%v) finalize
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end if
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!$acc enter data copyin(x%v)
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end subroutine l_oacc_bld_x
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subroutine l_oacc_asb_m(n, x, info)
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use psb_base_mod
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implicit none
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integer(psb_mpk_), intent(in) :: n
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class(psb_l_vect_oacc), intent(inout) :: x
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integer(psb_ipk_), intent(out) :: info
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integer(psb_mpk_) :: nd
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info = psb_success_
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if (x%is_dev()) then
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nd = size(x%v)
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if (nd < n) then
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call x%sync()
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call x%psb_l_base_vect_type%asb(n, info)
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if (info == psb_success_) call x%sync()
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call x%set_host()
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end if
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else
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if (size(x%v) < n) then
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call x%psb_l_base_vect_type%asb(n, info)
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if (info == psb_success_) call x%sync()
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call x%set_host()
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end if
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end if
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end subroutine l_oacc_asb_m
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subroutine l_oacc_set_scal(x, val, first, last)
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class(psb_l_vect_oacc), intent(inout) :: x
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integer(psb_lpk_), intent(in) :: val
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integer(psb_ipk_), optional :: first, last
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integer(psb_ipk_) :: first_, last_
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first_ = 1
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last_ = x%get_nrows()
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if (present(first)) first_ = max(1, first)
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if (present(last)) last_ = min(last, last_)
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!$acc parallel loop
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do i = first_, last_
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x%v(i) = val
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end do
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!$acc end parallel loop
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call x%set_dev()
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end subroutine l_oacc_set_scal
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subroutine l_oacc_zero(x)
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use psi_serial_mod
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implicit none
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class(psb_l_vect_oacc), intent(inout) :: x
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call x%set_dev()
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call x%set_scal(lzero)
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end subroutine l_oacc_zero
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function l_oacc_get_nrows(x) result(res)
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implicit none
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class(psb_l_vect_oacc), intent(in) :: x
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integer(psb_ipk_) :: res
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if (allocated(x%v)) res = size(x%v)
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end function l_oacc_get_nrows
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function l_oacc_get_fmt() result(res)
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implicit none
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character(len=5) :: res
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res = "lOACC"
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end function l_oacc_get_fmt
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! subroutine l_oacc_set_vect(x,y)
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! implicit none
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! class(psb_l_vect_oacc), intent(inout) :: x
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! integer(psb_lpk_), intent(in) :: y(:)
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! integer(psb_ipk_) :: info
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! if (size(x%v) /= size(y)) then
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! call x%free(info)
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! call x%all(size(y),info)
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! end if
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! x%v(:) = y(:)
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! call x%set_host()
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! end subroutine l_oacc_set_vect
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subroutine l_oacc_to_dev(v)
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implicit none
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integer(psb_lpk_) :: v(:)
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!$acc update device(v)
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end subroutine l_oacc_to_dev
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subroutine l_oacc_to_host(v)
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implicit none
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integer(psb_lpk_) :: v(:)
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!$acc update self(v)
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end subroutine l_oacc_to_host
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subroutine l_oacc_sync_space(x)
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implicit none
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class(psb_l_vect_oacc), intent(inout) :: x
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if (allocated(x%v)) then
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if (.not.acc_is_present(x%v)) call l_oacc_create_dev(x%v)
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end if
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contains
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subroutine l_oacc_create_dev(v)
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implicit none
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integer(psb_lpk_) :: v(:)
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!$acc enter data copyin(v)
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end subroutine l_oacc_create_dev
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end subroutine l_oacc_sync_space
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subroutine l_oacc_sync(x)
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implicit none
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class(psb_l_vect_oacc), intent(inout) :: x
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if (x%is_dev()) then
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call l_oacc_to_host(x%v)
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end if
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if (x%is_host()) then
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call l_oacc_to_dev(x%v)
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end if
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call x%set_sync()
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end subroutine l_oacc_sync
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subroutine l_oacc_set_host(x)
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implicit none
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class(psb_l_vect_oacc), intent(inout) :: x
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x%state = is_host
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end subroutine l_oacc_set_host
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subroutine l_oacc_set_dev(x)
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implicit none
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class(psb_l_vect_oacc), intent(inout) :: x
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x%state = is_dev
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end subroutine l_oacc_set_dev
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subroutine l_oacc_set_sync(x)
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implicit none
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class(psb_l_vect_oacc), intent(inout) :: x
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x%state = is_sync
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end subroutine l_oacc_set_sync
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function l_oacc_is_dev(x) result(res)
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implicit none
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class(psb_l_vect_oacc), intent(in) :: x
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logical :: res
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res = (x%state == is_dev)
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end function l_oacc_is_dev
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function l_oacc_is_host(x) result(res)
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implicit none
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class(psb_l_vect_oacc), intent(in) :: x
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logical :: res
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res = (x%state == is_host)
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end function l_oacc_is_host
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function l_oacc_is_sync(x) result(res)
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implicit none
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class(psb_l_vect_oacc), intent(in) :: x
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logical :: res
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res = (x%state == is_sync)
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end function l_oacc_is_sync
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subroutine l_oacc_vect_all(n, x, info)
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use psi_serial_mod
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use psb_realloc_mod
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implicit none
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integer(psb_ipk_), intent(in) :: n
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class(psb_l_vect_oacc), intent(out) :: x
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integer(psb_ipk_), intent(out) :: info
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call psb_realloc(n, x%v, info)
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if (info == 0) then
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call x%set_host()
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if (acc_is_present(x%v)) then
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!$acc exit data delete(x%v) finalize
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end if
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!$acc enter data create(x%v)
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call x%sync_space()
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end if
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if (info /= 0) then
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info = psb_err_alloc_request_
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call psb_errpush(info, 'l_oacc_all', &
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i_err=(/n, n, n, n, n/))
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end if
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end subroutine l_oacc_vect_all
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subroutine l_oacc_vect_free(x, info)
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implicit none
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class(psb_l_vect_oacc), intent(inout) :: x
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integer(psb_ipk_), intent(out) :: info
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info = 0
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if (allocated(x%v)) then
|
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if (acc_is_present(x%v)) then
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!$acc exit data delete(x%v) finalize
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end if
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deallocate(x%v, stat=info)
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end if
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end subroutine l_oacc_vect_free
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function l_oacc_get_size(x) result(res)
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implicit none
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class(psb_l_vect_oacc), intent(inout) :: x
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integer(psb_ipk_) :: res
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if (x%is_dev()) call x%sync()
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res = size(x%v)
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end function l_oacc_get_size
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end module psb_l_oacc_vect_mod
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