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psblas3/cuda/impl/psb_z_cuda_mv_elg_from_fmt.F90

87 lines
3.3 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.
!
subroutine psb_z_cuda_mv_elg_from_fmt(a,b,info)
use psb_base_mod
use elldev_mod
use psb_vectordev_mod
use psb_z_cuda_elg_mat_mod, psb_protect_name => psb_z_cuda_mv_elg_from_fmt
implicit none
class(psb_z_cuda_elg_sparse_mat), intent(inout) :: a
class(psb_z_base_sparse_mat), intent(inout) :: b
integer(psb_ipk_), intent(out) :: info
!locals
type(psb_z_coo_sparse_mat) :: tmp
Integer(Psb_ipk_) :: nza, nr, i,j,irw, idl,err_act, nc, ld, nzm, m
type(elldev_parms) :: gpu_parms
info = psb_success_
if (b%is_dev()) call b%sync()
select type (b)
type is (psb_z_coo_sparse_mat)
call a%mv_from_coo(b,info)
class is (psb_z_ell_sparse_mat)
nzm = size(b%ja,2)
m = b%get_nrows()
nc = b%get_ncols()
nza = b%get_nzeros()
gpu_parms = FgetEllDeviceParams(m,nzm,nza,nc,spgpu_type_double,1)
ld = gpu_parms%pitch
nzm = gpu_parms%maxRowSize
a%psb_z_base_sparse_mat = b%psb_z_base_sparse_mat
call move_alloc(b%irn, a%irn)
call move_alloc(b%idiag, a%idiag)
call psb_realloc(ld,nzm,a%ja,info)
if (info == 0) then
a%ja(1:m,1:nzm) = b%ja(1:m,1:nzm)
deallocate(b%ja,stat=info)
end if
if (info == 0) call psb_realloc(ld,nzm,a%val,info)
if (info == 0) then
a%val(1:m,1:nzm) = b%val(1:m,1:nzm)
deallocate(b%val,stat=info)
end if
a%nzt = nza
call b%free()
call a%to_gpu(info)
class default
call b%mv_to_coo(tmp,info)
if (info == psb_success_) call a%mv_from_coo(tmp,info)
end select
end subroutine psb_z_cuda_mv_elg_from_fmt