|
|
|
|
! 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_c_cuda_elg_from_gpu(a,info)
|
|
|
|
|
|
|
|
|
|
use psb_base_mod
|
|
|
|
|
use elldev_mod
|
|
|
|
|
use psb_vectordev_mod
|
|
|
|
|
use psb_c_cuda_elg_mat_mod, psb_protect_name => psb_c_cuda_elg_from_gpu
|
|
|
|
|
implicit none
|
|
|
|
|
class(psb_c_cuda_elg_sparse_mat), intent(inout) :: a
|
|
|
|
|
integer(psb_ipk_), intent(out) :: info
|
|
|
|
|
|
|
|
|
|
integer(psb_ipk_) :: m, nzm, n, pitch,maxrowsize
|
|
|
|
|
|
|
|
|
|
info = 0
|
|
|
|
|
|
|
|
|
|
if (.not.(c_associated(a%deviceMat))) then
|
|
|
|
|
call a%free()
|
|
|
|
|
return
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
m = a%get_nrows()
|
|
|
|
|
nzm = psb_size(a%val,2)
|
|
|
|
|
n = a%get_ncols()
|
|
|
|
|
|
|
|
|
|
pitch = getEllDevicePitch(a%deviceMat)
|
|
|
|
|
maxrowsize = getEllDeviceMaxRowSize(a%deviceMat)
|
|
|
|
|
|
|
|
|
|
if ((pitch /= psb_size(a%val,1)).or.(maxrowsize /= psb_size(a%val,2))) then
|
|
|
|
|
call psb_realloc(pitch,maxrowsize,a%val,info)
|
|
|
|
|
if (info == 0) call psb_realloc(pitch,maxrowsize,a%ja,info)
|
|
|
|
|
if (info == 0) call psb_realloc(pitch,a%irn,info)
|
|
|
|
|
end if
|
|
|
|
|
if (info == 0) info = &
|
|
|
|
|
& readEllDevice(a%deviceMat,a%val,a%ja,pitch,a%irn,a%idiag)
|
|
|
|
|
call a%set_sync()
|
|
|
|
|
|
|
|
|
|
end subroutine psb_c_cuda_elg_from_gpu
|
