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psblas3/cuda/psb_i_cuda_dnsg_mat_mod.F90

276 lines
10 KiB
Fortran

! Parallel Sparse BLAS GPU plugin
! (C) Copyright 2013
!
! Salvatore Filippone
! Alessandro Fanfarillo
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions
! are met:
! 1. Redistributions of source code must retain the above copyright
! notice, this list of conditions and the following disclaimer.
! 2. Redistributions in binary form must reproduce the above copyright
! notice, this list of conditions, and the following disclaimer in the
! documentation and/or other materials provided with the distribution.
! 3. The name of the PSBLAS group or the names of its contributors may
! not be used to endorse or promote products derived from this
! software without specific written permission.
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE.
!
module psb_i_cuda_dnsg_mat_mod
use iso_c_binding
use psb_i_mat_mod
use psb_i_dns_mat_mod
use dnsdev_mod
type, extends(psb_i_dns_sparse_mat) :: psb_i_cuda_dnsg_sparse_mat
!
! ITPACK/DNS format, extended.
! We are adding here the routines to create a copy of the data
! into the GPU.
! If HAVE_SPGPU is undefined this is just
! a copy of DNS, indistinguishable.
!
type(c_ptr) :: deviceMat = c_null_ptr
contains
procedure, nopass :: get_fmt => i_cuda_dnsg_get_fmt
! procedure, pass(a) :: sizeof => i_cuda_dnsg_sizeof
procedure, pass(a) :: vect_mv => psb_i_cuda_dnsg_vect_mv
!!$ procedure, pass(a) :: csmm => psb_i_cuda_dnsg_csmm
!!$ procedure, pass(a) :: csmv => psb_i_cuda_dnsg_csmv
!!$ procedure, pass(a) :: in_vect_sv => psb_i_cuda_dnsg_inner_vect_sv
!!$ procedure, pass(a) :: scals => psb_i_cuda_dnsg_scals
!!$ procedure, pass(a) :: scalv => psb_i_cuda_dnsg_scal
!!$ procedure, pass(a) :: reallocate_nz => psb_i_cuda_dnsg_reallocate_nz
!!$ procedure, pass(a) :: allocate_mnnz => psb_i_cuda_dnsg_allocate_mnnz
! Note: we *do* need the TO methods, because of the need to invoke SYNC
!
procedure, pass(a) :: cp_from_coo => psb_i_cuda_cp_dnsg_from_coo
procedure, pass(a) :: cp_from_fmt => psb_i_cuda_cp_dnsg_from_fmt
procedure, pass(a) :: mv_from_coo => psb_i_cuda_mv_dnsg_from_coo
procedure, pass(a) :: mv_from_fmt => psb_i_cuda_mv_dnsg_from_fmt
procedure, pass(a) :: free => i_cuda_dnsg_free
procedure, pass(a) :: mold => psb_i_cuda_dnsg_mold
procedure, pass(a) :: to_gpu => psb_i_cuda_dnsg_to_gpu
final :: i_cuda_dnsg_finalize
end type psb_i_cuda_dnsg_sparse_mat
private :: i_cuda_dnsg_get_nzeros, i_cuda_dnsg_free, i_cuda_dnsg_get_fmt, &
& i_cuda_dnsg_get_size, i_cuda_dnsg_get_nz_row
interface
subroutine psb_i_cuda_dnsg_vect_mv(alpha,a,x,beta,y,info,trans)
import :: psb_i_cuda_dnsg_sparse_mat, psb_ipk_, psb_i_base_vect_type, psb_ipk_
class(psb_i_cuda_dnsg_sparse_mat), intent(in) :: a
integer(psb_ipk_), intent(in) :: alpha, beta
class(psb_i_base_vect_type), intent(inout) :: x
class(psb_i_base_vect_type), intent(inout) :: y
integer(psb_ipk_), intent(out) :: info
character, optional, intent(in) :: trans
end subroutine psb_i_cuda_dnsg_vect_mv
end interface
!!$
!!$ interface
!!$ subroutine psb_i_cuda_dnsg_inner_vect_sv(alpha,a,x,beta,y,info,trans)
!!$ import :: psb_ipk_, psb_i_cuda_dnsg_sparse_mat, psb_ipk_, psb_i_base_vect_type
!!$ class(psb_i_cuda_dnsg_sparse_mat), intent(in) :: a
!!$ integer(psb_ipk_), intent(in) :: alpha, beta
!!$ class(psb_i_base_vect_type), intent(inout) :: x, y
!!$ integer(psb_ipk_), intent(out) :: info
!!$ character, optional, intent(in) :: trans
!!$ end subroutine psb_i_cuda_dnsg_inner_vect_sv
!!$ end interface
!!$ interface
!!$ subroutine psb_i_cuda_dnsg_reallocate_nz(nz,a)
!!$ import :: psb_i_cuda_dnsg_sparse_mat, psb_ipk_
!!$ integer(psb_ipk_), intent(in) :: nz
!!$ class(psb_i_cuda_dnsg_sparse_mat), intent(inout) :: a
!!$ end subroutine psb_i_cuda_dnsg_reallocate_nz
!!$ end interface
!!$
!!$ interface
!!$ subroutine psb_i_cuda_dnsg_allocate_mnnz(m,n,a,nz)
!!$ import :: psb_i_cuda_dnsg_sparse_mat, psb_ipk_
!!$ integer(psb_ipk_), intent(in) :: m,n
!!$ class(psb_i_cuda_dnsg_sparse_mat), intent(inout) :: a
!!$ integer(psb_ipk_), intent(in), optional :: nz
!!$ end subroutine psb_i_cuda_dnsg_allocate_mnnz
!!$ end interface
interface
subroutine psb_i_cuda_dnsg_mold(a,b,info)
import :: psb_i_cuda_dnsg_sparse_mat, psb_i_base_sparse_mat, psb_ipk_
class(psb_i_cuda_dnsg_sparse_mat), intent(in) :: a
class(psb_i_base_sparse_mat), intent(inout), allocatable :: b
integer(psb_ipk_), intent(out) :: info
end subroutine psb_i_cuda_dnsg_mold
end interface
interface
subroutine psb_i_cuda_dnsg_to_gpu(a,info)
import :: psb_i_cuda_dnsg_sparse_mat, psb_ipk_
class(psb_i_cuda_dnsg_sparse_mat), intent(inout) :: a
integer(psb_ipk_), intent(out) :: info
end subroutine psb_i_cuda_dnsg_to_gpu
end interface
interface
subroutine psb_i_cuda_cp_dnsg_from_coo(a,b,info)
import :: psb_i_cuda_dnsg_sparse_mat, psb_i_coo_sparse_mat, psb_ipk_
class(psb_i_cuda_dnsg_sparse_mat), intent(inout) :: a
class(psb_i_coo_sparse_mat), intent(in) :: b
integer(psb_ipk_), intent(out) :: info
end subroutine psb_i_cuda_cp_dnsg_from_coo
end interface
interface
subroutine psb_i_cuda_cp_dnsg_from_fmt(a,b,info)
import :: psb_i_cuda_dnsg_sparse_mat, psb_i_base_sparse_mat, psb_ipk_
class(psb_i_cuda_dnsg_sparse_mat), intent(inout) :: a
class(psb_i_base_sparse_mat), intent(in) :: b
integer(psb_ipk_), intent(out) :: info
end subroutine psb_i_cuda_cp_dnsg_from_fmt
end interface
interface
subroutine psb_i_cuda_mv_dnsg_from_coo(a,b,info)
import :: psb_i_cuda_dnsg_sparse_mat, psb_i_coo_sparse_mat, psb_ipk_
class(psb_i_cuda_dnsg_sparse_mat), intent(inout) :: a
class(psb_i_coo_sparse_mat), intent(inout) :: b
integer(psb_ipk_), intent(out) :: info
end subroutine psb_i_cuda_mv_dnsg_from_coo
end interface
interface
subroutine psb_i_cuda_mv_dnsg_from_fmt(a,b,info)
import :: psb_i_cuda_dnsg_sparse_mat, psb_i_base_sparse_mat, psb_ipk_
class(psb_i_cuda_dnsg_sparse_mat), intent(inout) :: a
class(psb_i_base_sparse_mat), intent(inout) :: b
integer(psb_ipk_), intent(out) :: info
end subroutine psb_i_cuda_mv_dnsg_from_fmt
end interface
!!$ interface
!!$ subroutine psb_i_cuda_dnsg_csmv(alpha,a,x,beta,y,info,trans)
!!$ import :: psb_i_cuda_dnsg_sparse_mat, psb_ipk_, psb_ipk_
!!$ class(psb_i_cuda_dnsg_sparse_mat), intent(in) :: a
!!$ integer(psb_ipk_), intent(in) :: alpha, beta, x(:)
!!$ integer(psb_ipk_), intent(inout) :: y(:)
!!$ integer(psb_ipk_), intent(out) :: info
!!$ character, optional, intent(in) :: trans
!!$ end subroutine psb_i_cuda_dnsg_csmv
!!$ end interface
!!$ interface
!!$ subroutine psb_i_cuda_dnsg_csmm(alpha,a,x,beta,y,info,trans)
!!$ import :: psb_i_cuda_dnsg_sparse_mat, psb_ipk_, psb_ipk_
!!$ class(psb_i_cuda_dnsg_sparse_mat), intent(in) :: a
!!$ integer(psb_ipk_), intent(in) :: alpha, beta, x(:,:)
!!$ integer(psb_ipk_), intent(inout) :: y(:,:)
!!$ integer(psb_ipk_), intent(out) :: info
!!$ character, optional, intent(in) :: trans
!!$ end subroutine psb_i_cuda_dnsg_csmm
!!$ end interface
!!$
!!$ interface
!!$ subroutine psb_i_cuda_dnsg_scal(d,a,info, side)
!!$ import :: psb_i_cuda_dnsg_sparse_mat, psb_ipk_, psb_ipk_
!!$ class(psb_i_cuda_dnsg_sparse_mat), intent(inout) :: a
!!$ integer(psb_ipk_), intent(in) :: d(:)
!!$ integer(psb_ipk_), intent(out) :: info
!!$ character, intent(in), optional :: side
!!$ end subroutine psb_i_cuda_dnsg_scal
!!$ end interface
!!$
!!$ interface
!!$ subroutine psb_i_cuda_dnsg_scals(d,a,info)
!!$ import :: psb_i_cuda_dnsg_sparse_mat, psb_ipk_, psb_ipk_
!!$ class(psb_i_cuda_dnsg_sparse_mat), intent(inout) :: a
!!$ integer(psb_ipk_), intent(in) :: d
!!$ integer(psb_ipk_), intent(out) :: info
!!$ end subroutine psb_i_cuda_dnsg_scals
!!$ end interface
!!$
contains
! == ===================================
!
!
!
! Getters
!
!
!
!
!
! == ===================================
function i_cuda_dnsg_get_fmt() result(res)
implicit none
character(len=5) :: res
res = 'DNSG'
end function i_cuda_dnsg_get_fmt
! == ===================================
!
!
!
! Data management
!
!
!
!
!
! == ===================================
subroutine i_cuda_dnsg_free(a)
use dnsdev_mod
implicit none
integer(psb_ipk_) :: info
class(psb_i_cuda_dnsg_sparse_mat), intent(inout) :: a
if (c_associated(a%deviceMat)) &
& call freeDnsDevice(a%deviceMat)
a%deviceMat = c_null_ptr
call a%psb_i_dns_sparse_mat%free()
return
end subroutine i_cuda_dnsg_free
subroutine i_cuda_dnsg_finalize(a)
use dnsdev_mod
implicit none
type(psb_i_cuda_dnsg_sparse_mat), intent(inout) :: a
if (c_associated(a%deviceMat)) &
& call freeDnsDevice(a%deviceMat)
a%deviceMat = c_null_ptr
return
end subroutine i_cuda_dnsg_finalize
end module psb_i_cuda_dnsg_mat_mod