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291 lines
9.5 KiB
Fortran
291 lines
9.5 KiB
Fortran
module psb_c_oacc_csr_mat_mod
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use iso_c_binding
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use openacc
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use psb_c_mat_mod
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use psb_c_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_c_csr_sparse_mat) :: psb_c_oacc_csr_sparse_mat
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integer(psb_ipk_) :: devstate = is_host
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contains
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procedure, nopass :: get_fmt => c_oacc_csr_get_fmt
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procedure, pass(a) :: sizeof => c_oacc_csr_sizeof
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procedure, pass(a) :: vect_mv => psb_c_oacc_csr_vect_mv
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procedure, pass(a) :: in_vect_sv => psb_c_oacc_csr_inner_vect_sv
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procedure, pass(a) :: scals => psb_c_oacc_csr_scals
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procedure, pass(a) :: scalv => psb_c_oacc_csr_scal
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procedure, pass(a) :: reallocate_nz => psb_c_oacc_csr_reallocate_nz
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procedure, pass(a) :: allocate_mnnz => psb_c_oacc_csr_allocate_mnnz
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procedure, pass(a) :: cp_from_coo => psb_c_oacc_csr_cp_from_coo
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procedure, pass(a) :: cp_from_fmt => psb_c_oacc_csr_cp_from_fmt
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procedure, pass(a) :: mv_from_coo => psb_c_oacc_csr_mv_from_coo
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procedure, pass(a) :: mv_from_fmt => psb_c_oacc_csr_mv_from_fmt
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procedure, pass(a) :: free => c_oacc_csr_free
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procedure, pass(a) :: mold => psb_c_oacc_csr_mold
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procedure, pass(a) :: all => c_oacc_csr_all
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procedure, pass(a) :: is_host => c_oacc_csr_is_host
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procedure, pass(a) :: is_sync => c_oacc_csr_is_sync
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procedure, pass(a) :: is_dev => c_oacc_csr_is_dev
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procedure, pass(a) :: set_host => c_oacc_csr_set_host
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procedure, pass(a) :: set_sync => c_oacc_csr_set_sync
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procedure, pass(a) :: set_dev => c_oacc_csr_set_dev
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procedure, pass(a) :: free_dev_space => c_oacc_csr_free_dev_space
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procedure, pass(a) :: sync_dev_space => c_oacc_csr_sync_dev_space
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procedure, pass(a) :: sync => c_oacc_csr_sync
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end type psb_c_oacc_csr_sparse_mat
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interface
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module subroutine psb_c_oacc_csr_mold(a,b,info)
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class(psb_c_oacc_csr_sparse_mat), intent(in) :: a
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class(psb_c_base_sparse_mat), intent(inout), allocatable :: b
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_c_oacc_csr_mold
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end interface
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interface
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module subroutine psb_c_oacc_csr_cp_from_fmt(a,b,info)
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class(psb_c_oacc_csr_sparse_mat), intent(inout) :: a
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class(psb_c_base_sparse_mat), intent(in) :: b
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_c_oacc_csr_cp_from_fmt
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end interface
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interface
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module subroutine psb_c_oacc_csr_mv_from_coo(a,b,info)
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class(psb_c_oacc_csr_sparse_mat), intent(inout) :: a
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class(psb_c_coo_sparse_mat), intent(inout) :: b
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_c_oacc_csr_mv_from_coo
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end interface
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interface
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module subroutine psb_c_oacc_csr_mv_from_fmt(a,b,info)
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class(psb_c_oacc_csr_sparse_mat), intent(inout) :: a
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class(psb_c_base_sparse_mat), intent(inout) :: b
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_c_oacc_csr_mv_from_fmt
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end interface
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interface
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module subroutine psb_c_oacc_csr_vect_mv(alpha, a, x, beta, y, info, trans)
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class(psb_c_oacc_csr_sparse_mat), intent(in) :: a
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complex(psb_spk_), intent(in) :: alpha, beta
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class(psb_c_base_vect_type), intent(inout) :: x, y
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integer(psb_ipk_), intent(out) :: info
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character, optional, intent(in) :: trans
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end subroutine psb_c_oacc_csr_vect_mv
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end interface
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interface
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module subroutine psb_c_oacc_csr_inner_vect_sv(alpha, a, x, beta, y, info, trans)
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class(psb_c_oacc_csr_sparse_mat), intent(in) :: a
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complex(psb_spk_), intent(in) :: alpha, beta
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class(psb_c_base_vect_type), intent(inout) :: x,y
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integer(psb_ipk_), intent(out) :: info
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character, optional, intent(in) :: trans
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end subroutine psb_c_oacc_csr_inner_vect_sv
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end interface
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interface
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module subroutine psb_c_oacc_csr_scals(d, a, info)
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class(psb_c_oacc_csr_sparse_mat), intent(inout) :: a
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complex(psb_spk_), intent(in) :: d
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_c_oacc_csr_scals
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end interface
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interface
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module subroutine psb_c_oacc_csr_scal(d,a,info,side)
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class(psb_c_oacc_csr_sparse_mat), intent(inout) :: a
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complex(psb_spk_), intent(in) :: d(:)
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integer(psb_ipk_), intent(out) :: info
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character, optional, intent(in) :: side
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end subroutine psb_c_oacc_csr_scal
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end interface
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interface
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module subroutine psb_c_oacc_csr_reallocate_nz(nz,a)
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class(psb_c_oacc_csr_sparse_mat), intent(inout) :: a
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integer(psb_ipk_), intent(in) :: nz
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end subroutine psb_c_oacc_csr_reallocate_nz
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end interface
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interface
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module subroutine psb_c_oacc_csr_allocate_mnnz(m,n,a,nz)
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class(psb_c_oacc_csr_sparse_mat), intent(inout) :: a
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integer(psb_ipk_), intent(in) :: m,n
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integer(psb_ipk_), intent(in), optional :: nz
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end subroutine psb_c_oacc_csr_allocate_mnnz
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end interface
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interface
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module subroutine psb_c_oacc_csr_cp_from_coo(a,b,info)
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class(psb_c_oacc_csr_sparse_mat), intent(inout) :: a
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class(psb_c_coo_sparse_mat), intent(in) :: b
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_c_oacc_csr_cp_from_coo
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end interface
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contains
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subroutine c_oacc_csr_free_dev_space(a)
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use psb_base_mod
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implicit none
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class(psb_c_oacc_csr_sparse_mat), intent(inout) :: a
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integer(psb_ipk_) :: info
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!
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! Note: at least on GNU, if an array is allocated
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! but with size 0, then CREATE,UPDATE and DELETE
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! will fail
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!
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if (psb_size(a%val)>0) call acc_delete_finalize(a%val)
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if (psb_size(a%ja)>0) call acc_delete_finalize(a%ja)
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if (psb_size(a%irp)>0) call acc_delete_finalize(a%irp)
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return
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end subroutine c_oacc_csr_free_dev_space
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subroutine c_oacc_csr_free(a)
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use psb_base_mod
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implicit none
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class(psb_c_oacc_csr_sparse_mat), intent(inout) :: a
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integer(psb_ipk_) :: info
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call a%free_dev_space()
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call a%psb_c_csr_sparse_mat%free()
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return
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end subroutine c_oacc_csr_free
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function c_oacc_csr_sizeof(a) result(res)
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implicit none
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class(psb_c_oacc_csr_sparse_mat), intent(in) :: a
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integer(psb_epk_) :: res
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if (a%is_dev()) call a%sync()
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res = 8
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res = res + (2*psb_sizeof_sp) * size(a%val)
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res = res + psb_sizeof_ip * size(a%irp)
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res = res + psb_sizeof_ip * size(a%ja)
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end function c_oacc_csr_sizeof
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function c_oacc_csr_get_fmt() result(res)
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implicit none
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character(len=5) :: res
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res = 'CSROA'
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end function c_oacc_csr_get_fmt
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subroutine c_oacc_csr_all(m, n, nz, a, info)
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implicit none
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integer(psb_ipk_), intent(in) :: m, n, nz
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class(psb_c_oacc_csr_sparse_mat), intent(out) :: a
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integer(psb_ipk_), intent(out) :: info
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info = 0
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call a%free()
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call a%set_nrows(m)
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call a%set_ncols(n)
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allocate(a%val(nz),stat=info)
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allocate(a%ja(nz),stat=info)
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allocate(a%irp(m+1),stat=info)
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if (info == 0) call a%set_host()
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if (info == 0) call a%sync_dev_space()
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end subroutine c_oacc_csr_all
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function c_oacc_csr_is_host(a) result(res)
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implicit none
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class(psb_c_oacc_csr_sparse_mat), intent(in) :: a
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logical :: res
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res = (a%devstate == is_host)
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end function c_oacc_csr_is_host
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function c_oacc_csr_is_sync(a) result(res)
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implicit none
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class(psb_c_oacc_csr_sparse_mat), intent(in) :: a
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logical :: res
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res = (a%devstate == is_sync)
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end function c_oacc_csr_is_sync
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function c_oacc_csr_is_dev(a) result(res)
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implicit none
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class(psb_c_oacc_csr_sparse_mat), intent(in) :: a
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logical :: res
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res = (a%devstate == is_dev)
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end function c_oacc_csr_is_dev
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subroutine c_oacc_csr_set_host(a)
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implicit none
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class(psb_c_oacc_csr_sparse_mat), intent(inout) :: a
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a%devstate = is_host
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end subroutine c_oacc_csr_set_host
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subroutine c_oacc_csr_set_sync(a)
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implicit none
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class(psb_c_oacc_csr_sparse_mat), intent(inout) :: a
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a%devstate = is_sync
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end subroutine c_oacc_csr_set_sync
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subroutine c_oacc_csr_set_dev(a)
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implicit none
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class(psb_c_oacc_csr_sparse_mat), intent(inout) :: a
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a%devstate = is_dev
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end subroutine c_oacc_csr_set_dev
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subroutine c_oacc_csr_sync_dev_space(a)
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implicit none
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class(psb_c_oacc_csr_sparse_mat), intent(inout) :: a
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!
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! Note: at least on GNU, if an array is allocated
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! but with size 0, then CREATE,UPDATE and DELETE
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! will fail
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!
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if (psb_size(a%val)>0) call acc_copyin(a%val)
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if (psb_size(a%ja)>0) call acc_copyin(a%ja)
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if (psb_size(a%irp)>0) call acc_copyin(a%irp)
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end subroutine c_oacc_csr_sync_dev_space
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subroutine c_oacc_csr_sync(a)
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implicit none
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class(psb_c_oacc_csr_sparse_mat), target, intent(in) :: a
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class(psb_c_oacc_csr_sparse_mat), pointer :: tmpa
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integer(psb_ipk_) :: info
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tmpa => a
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!
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! Note: at least on GNU, if an array is allocated
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! but with size 0, then CREATE,UPDATE and DELETE
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! will fail
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!
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if (a%is_dev()) then
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if (psb_size(a%val)>0) call acc_update_self(a%val)
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if (psb_size(a%ja)>0) call acc_update_self(a%ja)
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if (psb_size(a%irp)>0) call acc_update_self(a%irp)
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else if (a%is_host()) then
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if (psb_size(a%val)>0) call acc_update_device(a%val)
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if (psb_size(a%ja)>0) call acc_update_device(a%ja)
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if (psb_size(a%irp)>0) call acc_update_device(a%irp)
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end if
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call tmpa%set_sync()
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end subroutine c_oacc_csr_sync
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end module psb_c_oacc_csr_mat_mod
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