You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
135 lines
4.2 KiB
Fortran
135 lines
4.2 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_s_cuda_elg_csmm(alpha,a,x,beta,y,info,trans)
|
|
|
|
use psb_base_mod
|
|
#ifdef HAVE_SPGPU
|
|
use elldev_mod
|
|
use psb_vectordev_mod
|
|
use psb_s_cuda_elg_mat_mod, psb_protect_name => psb_s_cuda_elg_csmm
|
|
#else
|
|
use psb_s_cuda_elg_mat_mod
|
|
#endif
|
|
implicit none
|
|
class(psb_s_cuda_elg_sparse_mat), intent(in) :: a
|
|
real(psb_spk_), intent(in) :: alpha, beta, x(:,:)
|
|
real(psb_spk_), intent(inout) :: y(:,:)
|
|
integer(psb_ipk_), intent(out) :: info
|
|
character, optional, intent(in) :: trans
|
|
|
|
character :: trans_
|
|
integer(psb_ipk_) :: i,j,k,m,n, nnz, ir, jc, nxy
|
|
real(psb_spk_), allocatable :: acc(:)
|
|
type(c_ptr) :: gpX, gpY
|
|
logical :: tra
|
|
Integer(Psb_ipk_) :: err_act
|
|
character(len=20) :: name='s_cuda_elg_csmm'
|
|
logical, parameter :: debug=.false.
|
|
|
|
info = psb_success_
|
|
call psb_erractionsave(err_act)
|
|
|
|
if (present(trans)) then
|
|
trans_ = trans
|
|
else
|
|
trans_ = 'N'
|
|
end if
|
|
|
|
if (.not.a%is_asb()) then
|
|
info = psb_err_invalid_mat_state_
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
endif
|
|
tra = (psb_toupper(trans_) == 'T').or.(psb_toupper(trans_)=='C')
|
|
|
|
if (tra) then
|
|
m = a%get_ncols()
|
|
n = a%get_nrows()
|
|
else
|
|
n = a%get_ncols()
|
|
m = a%get_nrows()
|
|
end if
|
|
|
|
if (size(x,1)<n) then
|
|
info = 36
|
|
call psb_errpush(info,name,i_err=(/3*ione,n,izero,izero,izero/))
|
|
goto 9999
|
|
end if
|
|
|
|
if (size(y,1)<m) then
|
|
info = 36
|
|
call psb_errpush(info,name,i_err=(/5*ione,m,izero,izero,izero/))
|
|
goto 9999
|
|
end if
|
|
|
|
|
|
#ifdef HAVE_SPGPU
|
|
if (tra) then
|
|
if (a%is_dev()) call a%sync()
|
|
call a%psb_s_ell_sparse_mat%spmm(alpha,x,beta,y,info,trans)
|
|
else
|
|
!
|
|
! Just to test, move X/Y to/from the GPU.
|
|
!
|
|
nxy = min(size(x,2),size(y,2))
|
|
if (info == 0) &
|
|
& info = FallocMultiVecDevice(gpX,nxy,size(x,1),spgpu_type_float)
|
|
if (info == 0) &
|
|
& info = writeMultiVecDevice(gpX,x,nxy)
|
|
if (info == 0) &
|
|
& info = FallocMultiVecDevice(gpY,nxy,size(y,1),spgpu_type_float)
|
|
if (info == 0) &
|
|
& info = writeMultiVecDevice(gpY,y,nxy)
|
|
|
|
if (info == 0) &
|
|
& info = spmvEllDevice(a%deviceMat,alpha,gpX,beta,gpY)
|
|
if (info == 0) &
|
|
& info = readMultiVecDevice(gpY,y,nxy)
|
|
if (info /= 0) goto 9999
|
|
call freeMultiVecDevice(gpX)
|
|
call freeMultiVecDevice(gpY)
|
|
endif
|
|
#else
|
|
call a%psb_s_ell_sparse_mat%spmm(alpha,x,beta,y,info,trans)
|
|
#endif
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 call psb_error_handler(err_act)
|
|
|
|
return
|
|
|
|
|
|
end subroutine psb_s_cuda_elg_csmm
|