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psblas3/cuda/impl/psb_d_cuda_hlg_to_gpu.F90

62 lines
2.6 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_d_cuda_hlg_to_gpu(a,info,nzrm)
use psb_base_mod
use hlldev_mod
use psb_vectordev_mod
use psb_d_cuda_hlg_mat_mod, psb_protect_name => psb_d_cuda_hlg_to_gpu
use iso_c_binding
implicit none
class(psb_d_cuda_hlg_sparse_mat), intent(inout) :: a
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_), intent(in), optional :: nzrm
integer(psb_ipk_) :: m, nzm, nza, n, pitch,maxrowsize, allocsize
info = 0
if ((.not.allocated(a%val)).or.(.not.allocated(a%ja))) return
n = a%get_nrows()
allocsize = a%get_size()
nza = a%get_nzeros()
if (c_associated(a%deviceMat)) then
call freehllDevice(a%deviceMat)
endif
info = FallochllDevice(a%deviceMat,a%hksz,n,nza,allocsize,spgpu_type_double,1)
if (info == 0) info = &
& writehllDevice(a%deviceMat,a%val,a%ja,a%hkoffs,a%irn,a%idiag)
! if (info /= 0) goto 9999
end subroutine psb_d_cuda_hlg_to_gpu