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290 lines
8.5 KiB
Fortran
290 lines
8.5 KiB
Fortran
module psb_d_elg_mat_mod
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use iso_c_binding
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use psb_d_base_mat_mod
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use psb_d_ell_mat_mod
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type, extends(psb_d_ell_sparse_mat) :: psb_d_elg_sparse_mat
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!
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! ITPACK/ELL format, extended.
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! We are adding here the routines to create a copy of the data
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! into the GPU.
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! If HAVE_ELL_GPU is undefined this is just
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! a copy of ELL, indistinguishable.
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!
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#ifdef HAVE_ELL_GPU
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type(c_ptr) :: deviceMat = c_null_ptr
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contains
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procedure, pass(a) :: get_fmt => d_elg_get_fmt
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procedure, pass(a) :: sizeof => d_elg_sizeof
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procedure, pass(a) :: d_csmm => psb_d_elg_csmm
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procedure, pass(a) :: d_csmv => psb_d_elg_csmv
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procedure, pass(a) :: d_scals => psb_d_elg_scals
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procedure, pass(a) :: d_scal => psb_d_elg_scal
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procedure, pass(a) :: reallocate_nz => psb_d_elg_reallocate_nz
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procedure, pass(a) :: allocate_mnnz => psb_d_elg_allocate_mnnz
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procedure, pass(a) :: cp_from_coo => psb_d_cp_elg_from_coo
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procedure, pass(a) :: cp_from_fmt => psb_d_cp_elg_from_fmt
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procedure, pass(a) :: mv_from_coo => psb_d_mv_elg_from_coo
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procedure, pass(a) :: mv_from_fmt => psb_d_mv_elg_from_fmt
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procedure, pass(a) :: free => d_elg_free
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procedure, pass(a) :: mold => psb_d_elg_mold
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procedure, pass(a) :: psb_d_elg_cp_from
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generic, public :: cp_from => psb_d_elg_cp_from
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procedure, pass(a) :: psb_d_elg_mv_from
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generic, public :: mv_from => psb_d_elg_mv_from
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#endif
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end type psb_d_elg_sparse_mat
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#ifdef HAVE_ELL_GPU
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private :: d_elg_get_nzeros, d_elg_free, d_elg_get_fmt, &
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& d_elg_get_size, d_elg_sizeof, d_elg_get_nz_row
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interface
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subroutine psb_d_elg_reallocate_nz(nz,a)
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import :: psb_d_elg_sparse_mat
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integer, intent(in) :: nz
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class(psb_d_elg_sparse_mat), intent(inout) :: a
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end subroutine psb_d_elg_reallocate_nz
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end interface
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interface
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subroutine psb_d_elg_allocate_mnnz(m,n,a,nz)
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import :: psb_d_elg_sparse_mat
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integer, intent(in) :: m,n
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class(psb_d_elg_sparse_mat), intent(inout) :: a
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integer, intent(in), optional :: nz
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end subroutine psb_d_elg_allocate_mnnz
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end interface
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interface
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subroutine psb_d_elg_mold(a,b,info)
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import :: psb_d_elg_sparse_mat, psb_d_base_sparse_mat, psb_long_int_k_
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class(psb_d_elg_sparse_mat), intent(in) :: a
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class(psb_d_base_sparse_mat), intent(out), allocatable :: b
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integer, intent(out) :: info
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end subroutine psb_d_elg_mold
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end interface
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interface
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subroutine psb_d_cp_elg_from_coo(a,b,info)
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import :: psb_d_elg_sparse_mat, psb_d_coo_sparse_mat
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class(psb_d_elg_sparse_mat), intent(inout) :: a
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class(psb_d_coo_sparse_mat), intent(in) :: b
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integer, intent(out) :: info
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end subroutine psb_d_cp_elg_from_coo
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end interface
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interface
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subroutine psb_d_cp_elg_from_fmt(a,b,info)
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import :: psb_d_elg_sparse_mat, psb_d_base_sparse_mat
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class(psb_d_elg_sparse_mat), intent(inout) :: a
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class(psb_d_base_sparse_mat), intent(in) :: b
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integer, intent(out) :: info
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end subroutine psb_d_cp_elg_from_fmt
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end interface
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interface
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subroutine psb_d_mv_elg_from_coo(a,b,info)
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import :: psb_d_elg_sparse_mat, psb_d_coo_sparse_mat
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class(psb_d_elg_sparse_mat), intent(inout) :: a
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class(psb_d_coo_sparse_mat), intent(inout) :: b
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integer, intent(out) :: info
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end subroutine psb_d_mv_elg_from_coo
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end interface
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interface
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subroutine psb_d_mv_elg_from_fmt(a,b,info)
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import :: psb_d_elg_sparse_mat, psb_d_base_sparse_mat
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class(psb_d_elg_sparse_mat), intent(inout) :: a
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class(psb_d_base_sparse_mat), intent(inout) :: b
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integer, intent(out) :: info
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end subroutine psb_d_mv_elg_from_fmt
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end interface
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interface
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subroutine psb_d_elg_cp_from(a,b)
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import :: psb_d_elg_sparse_mat, psb_dpk_
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class(psb_d_elg_sparse_mat), intent(inout) :: a
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type(psb_d_elg_sparse_mat), intent(in) :: b
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end subroutine psb_d_elg_cp_from
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end interface
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interface
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subroutine psb_d_elg_mv_from(a,b)
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import :: psb_d_elg_sparse_mat, psb_dpk_
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class(psb_d_elg_sparse_mat), intent(inout) :: a
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type(psb_d_elg_sparse_mat), intent(inout) :: b
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end subroutine psb_d_elg_mv_from
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end interface
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interface
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subroutine psb_d_elg_csmv(alpha,a,x,beta,y,info,trans)
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import :: psb_d_elg_sparse_mat, psb_dpk_
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class(psb_d_elg_sparse_mat), intent(in) :: a
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real(psb_dpk_), intent(in) :: alpha, beta, x(:)
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real(psb_dpk_), intent(inout) :: y(:)
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integer, intent(out) :: info
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character, optional, intent(in) :: trans
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end subroutine psb_d_elg_csmv
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end interface
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interface
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subroutine psb_d_elg_csmm(alpha,a,x,beta,y,info,trans)
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import :: psb_d_elg_sparse_mat, psb_dpk_
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class(psb_d_elg_sparse_mat), intent(in) :: a
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real(psb_dpk_), intent(in) :: alpha, beta, x(:,:)
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real(psb_dpk_), intent(inout) :: y(:,:)
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integer, intent(out) :: info
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character, optional, intent(in) :: trans
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end subroutine psb_d_elg_csmm
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end interface
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interface
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subroutine psb_d_elg_scal(d,a,info)
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import :: psb_d_elg_sparse_mat, psb_dpk_
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class(psb_d_elg_sparse_mat), intent(inout) :: a
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real(psb_dpk_), intent(in) :: d(:)
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integer, intent(out) :: info
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end subroutine psb_d_elg_scal
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end interface
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interface
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subroutine psb_d_elg_scals(d,a,info)
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import :: psb_d_elg_sparse_mat, psb_dpk_
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class(psb_d_elg_sparse_mat), intent(inout) :: a
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real(psb_dpk_), intent(in) :: d
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integer, intent(out) :: info
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end subroutine psb_d_elg_scals
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end interface
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contains
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! == ===================================
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!
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!
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!
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! Getters
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!
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!
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!
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!
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!
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! == ===================================
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function d_elg_sizeof(a) result(res)
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implicit none
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class(psb_d_elg_sparse_mat), intent(in) :: a
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integer(psb_long_int_k_) :: res
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res = 8
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res = res + psb_sizeof_dp * size(a%val)
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res = res + psb_sizeof_int * size(a%irn)
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res = res + psb_sizeof_int * size(a%idiag)
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res = res + psb_sizeof_int * size(a%ja)
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! Should we account for the shadow data structure
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! on the GPU device side?
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! res = 2*res
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end function d_elg_sizeof
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function d_elg_get_fmt(a) result(res)
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implicit none
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class(psb_d_elg_sparse_mat), intent(in) :: a
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character(len=5) :: res
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res = 'ELG'
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end function d_elg_get_fmt
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!!$ function d_elg_get_nzeros(a) result(res)
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!!$ implicit none
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!!$ class(psb_d_elg_sparse_mat), intent(in) :: a
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!!$ integer :: res
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!!$ res = sum(a%irn(1:a%get_nrows()))
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!!$ end function d_elg_get_nzeros
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!!$
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!!$ function d_elg_get_size(a) result(res)
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!!$ implicit none
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!!$ class(psb_d_elg_sparse_mat), intent(in) :: a
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!!$ integer :: res
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!!$
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!!$ res = -1
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!!$
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!!$ if (allocated(a%ja)) then
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!!$ if (res >= 0) then
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!!$ res = min(res,size(a%ja))
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!!$ else
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!!$ res = size(a%ja)
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!!$ end if
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!!$ end if
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!!$ if (allocated(a%val)) then
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!!$ if (res >= 0) then
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!!$ res = min(res,size(a%val))
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!!$ else
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!!$ res = size(a%val)
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!!$ end if
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!!$ end if
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!!$
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!!$ end function d_elg_get_size
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!!$
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!!$
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!!$
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!!$ function d_elg_get_nz_row(idx,a) result(res)
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!!$
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!!$ implicit none
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!!$
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!!$ class(psb_d_elg_sparse_mat), intent(in) :: a
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!!$ integer, intent(in) :: idx
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!!$ integer :: res
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!!$
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!!$ res = 0
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!!$
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!!$ if ((1<=idx).and.(idx<=a%get_nrows())) then
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!!$ res = a%irn(idx)
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!!$ end if
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!!$
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!!$ end function d_elg_get_nz_row
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!!$
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! == ===================================
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!
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!
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!
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! Data management
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!
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!
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!
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!
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!
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! == ===================================
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subroutine d_elg_free(a)
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#ifdef HAVE_ELL_GPU
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use elldev_mod
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#endif
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implicit none
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integer :: info
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class(psb_d_elg_sparse_mat), intent(inout) :: a
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if (allocated(a%idiag)) deallocate(a%idiag)
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if (allocated(a%irn)) deallocate(a%irn)
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if (allocated(a%ja)) deallocate(a%ja)
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if (allocated(a%val)) deallocate(a%val)
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call a%set_null()
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call a%set_nrows(0)
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call a%set_ncols(0)
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#ifdef HAVE_ELL_GPU
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call freeEllDevice(a%deviceMat)
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#endif
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return
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end subroutine d_elg_free
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#endif
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end module psb_d_elg_mat_mod
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