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457 lines
16 KiB
Fortran
457 lines
16 KiB
Fortran
! Parallel Sparse BLAS GPU plugin
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! (C) Copyright 2013
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!
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! Salvatore Filippone
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! Alessandro Fanfarillo
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!
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! Redistribution and use in source and binary forms, with or without
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! modification, are permitted provided that the following conditions
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! are met:
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! 1. Redistributions of source code must retain the above copyright
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! notice, this list of conditions and the following disclaimer.
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! 2. Redistributions in binary form must reproduce the above copyright
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! notice, this list of conditions, and the following disclaimer in the
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! documentation and/or other materials provided with the distribution.
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! 3. The name of the PSBLAS group or the names of its contributors may
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! not be used to endorse or promote products derived from this
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! software without specific written permission.
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!
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! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
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! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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! POSSIBILITY OF SUCH DAMAGE.
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!
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module psb_c_cuda_elg_mat_mod
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use iso_c_binding
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use psb_c_mat_mod
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use psb_c_ell_mat_mod
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use psb_i_cuda_vect_mod
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integer(psb_ipk_), parameter, private :: is_host = -1
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integer(psb_ipk_), parameter, private :: is_sync = 0
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integer(psb_ipk_), parameter, private :: is_dev = 1
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type, extends(psb_c_ell_sparse_mat) :: psb_c_cuda_elg_sparse_mat
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!
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! ITPACK/ELL format, extended.
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! We are adding here the routines to create a copy of the data
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! into the GPU.
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! If HAVE_SPGPU is undefined this is just
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! a copy of ELL, indistinguishable.
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!
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type(c_ptr) :: deviceMat = c_null_ptr
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integer(psb_ipk_) :: devstate = is_host
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contains
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procedure, nopass :: get_fmt => c_cuda_elg_get_fmt
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procedure, pass(a) :: sizeof => c_cuda_elg_sizeof
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procedure, pass(a) :: vect_mv => psb_c_cuda_elg_vect_mv
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procedure, pass(a) :: csmm => psb_c_cuda_elg_csmm
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procedure, pass(a) :: csmv => psb_c_cuda_elg_csmv
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procedure, pass(a) :: in_vect_sv => psb_c_cuda_elg_inner_vect_sv
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procedure, pass(a) :: scals => psb_c_cuda_elg_scals
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procedure, pass(a) :: scalv => psb_c_cuda_elg_scal
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procedure, pass(a) :: reallocate_nz => psb_c_cuda_elg_reallocate_nz
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procedure, pass(a) :: allocate_mnnz => psb_c_cuda_elg_allocate_mnnz
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procedure, pass(a) :: reinit => c_cuda_elg_reinit
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! Note: we do *not* need the TO methods, because the parent type
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! methods will work.
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procedure, pass(a) :: cp_from_coo => psb_c_cuda_cp_elg_from_coo
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procedure, pass(a) :: cp_from_fmt => psb_c_cuda_cp_elg_from_fmt
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procedure, pass(a) :: mv_from_coo => psb_c_cuda_mv_elg_from_coo
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procedure, pass(a) :: mv_from_fmt => psb_c_cuda_mv_elg_from_fmt
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procedure, pass(a) :: free => c_cuda_elg_free
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procedure, pass(a) :: mold => psb_c_cuda_elg_mold
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procedure, pass(a) :: csput_a => psb_c_cuda_elg_csput_a
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procedure, pass(a) :: csput_v => psb_c_cuda_elg_csput_v
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procedure, pass(a) :: is_host => c_cuda_elg_is_host
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procedure, pass(a) :: is_dev => c_cuda_elg_is_dev
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procedure, pass(a) :: is_sync => c_cuda_elg_is_sync
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procedure, pass(a) :: set_host => c_cuda_elg_set_host
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procedure, pass(a) :: set_dev => c_cuda_elg_set_dev
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procedure, pass(a) :: set_sync => c_cuda_elg_set_sync
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procedure, pass(a) :: sync => c_cuda_elg_sync
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procedure, pass(a) :: from_gpu => psb_c_cuda_elg_from_gpu
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procedure, pass(a) :: to_gpu => psb_c_cuda_elg_to_gpu
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procedure, pass(a) :: asb => psb_c_cuda_elg_asb
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final :: c_cuda_elg_finalize
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end type psb_c_cuda_elg_sparse_mat
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private :: c_cuda_elg_get_nzeros, c_cuda_elg_free, c_cuda_elg_get_fmt, &
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& c_cuda_elg_get_size, c_cuda_elg_sizeof, c_cuda_elg_get_nz_row, c_cuda_elg_sync
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interface
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subroutine psb_c_cuda_elg_vect_mv(alpha,a,x,beta,y,info,trans)
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import :: psb_c_cuda_elg_sparse_mat, psb_spk_, psb_c_base_vect_type, psb_ipk_
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class(psb_c_cuda_elg_sparse_mat), intent(in) :: a
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complex(psb_spk_), intent(in) :: alpha, beta
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class(psb_c_base_vect_type), intent(inout) :: x
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class(psb_c_base_vect_type), intent(inout) :: y
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integer(psb_ipk_), intent(out) :: info
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character, optional, intent(in) :: trans
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end subroutine psb_c_cuda_elg_vect_mv
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end interface
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interface
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subroutine psb_c_cuda_elg_inner_vect_sv(alpha,a,x,beta,y,info,trans)
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import :: psb_ipk_, psb_c_cuda_elg_sparse_mat, psb_spk_, psb_c_base_vect_type
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class(psb_c_cuda_elg_sparse_mat), intent(in) :: a
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complex(psb_spk_), intent(in) :: alpha, beta
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class(psb_c_base_vect_type), intent(inout) :: x, y
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integer(psb_ipk_), intent(out) :: info
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character, optional, intent(in) :: trans
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end subroutine psb_c_cuda_elg_inner_vect_sv
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end interface
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interface
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subroutine psb_c_cuda_elg_reallocate_nz(nz,a)
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import :: psb_c_cuda_elg_sparse_mat, psb_ipk_
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integer(psb_ipk_), intent(in) :: nz
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class(psb_c_cuda_elg_sparse_mat), intent(inout) :: a
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end subroutine psb_c_cuda_elg_reallocate_nz
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end interface
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interface
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subroutine psb_c_cuda_elg_allocate_mnnz(m,n,a,nz)
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import :: psb_c_cuda_elg_sparse_mat, psb_ipk_
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integer(psb_ipk_), intent(in) :: m,n
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class(psb_c_cuda_elg_sparse_mat), intent(inout) :: a
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integer(psb_ipk_), intent(in), optional :: nz
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end subroutine psb_c_cuda_elg_allocate_mnnz
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end interface
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interface
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subroutine psb_c_cuda_elg_mold(a,b,info)
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import :: psb_c_cuda_elg_sparse_mat, psb_c_base_sparse_mat, psb_ipk_
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class(psb_c_cuda_elg_sparse_mat), intent(in) :: a
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class(psb_c_base_sparse_mat), intent(inout), allocatable :: b
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_c_cuda_elg_mold
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end interface
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interface
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subroutine psb_c_cuda_elg_csput_a(nz,ia,ja,val,a,imin,imax,jmin,jmax,info)
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import :: psb_c_cuda_elg_sparse_mat, psb_spk_, psb_ipk_
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class(psb_c_cuda_elg_sparse_mat), intent(inout) :: a
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complex(psb_spk_), intent(in) :: val(:)
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integer(psb_ipk_), intent(in) :: nz,ia(:), ja(:),&
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& imin,imax,jmin,jmax
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_c_cuda_elg_csput_a
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end interface
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interface
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subroutine psb_c_cuda_elg_csput_v(nz,ia,ja,val,a,imin,imax,jmin,jmax,info)
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import :: psb_c_cuda_elg_sparse_mat, psb_dpk_, psb_ipk_, psb_c_base_vect_type,&
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& psb_i_base_vect_type
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class(psb_c_cuda_elg_sparse_mat), intent(inout) :: a
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class(psb_c_base_vect_type), intent(inout) :: val
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class(psb_i_base_vect_type), intent(inout) :: ia, ja
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integer(psb_ipk_), intent(in) :: nz, imin,imax,jmin,jmax
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_c_cuda_elg_csput_v
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end interface
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interface
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subroutine psb_c_cuda_elg_from_gpu(a,info)
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import :: psb_c_cuda_elg_sparse_mat, psb_ipk_
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class(psb_c_cuda_elg_sparse_mat), intent(inout) :: a
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_c_cuda_elg_from_gpu
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end interface
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interface
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subroutine psb_c_cuda_elg_to_gpu(a,info, nzrm)
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import :: psb_c_cuda_elg_sparse_mat, psb_ipk_
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class(psb_c_cuda_elg_sparse_mat), intent(inout) :: a
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_), intent(in), optional :: nzrm
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end subroutine psb_c_cuda_elg_to_gpu
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end interface
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interface
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subroutine psb_c_cuda_cp_elg_from_coo(a,b,info)
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import :: psb_c_cuda_elg_sparse_mat, psb_c_coo_sparse_mat, psb_ipk_
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class(psb_c_cuda_elg_sparse_mat), intent(inout) :: a
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class(psb_c_coo_sparse_mat), intent(in) :: b
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_c_cuda_cp_elg_from_coo
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end interface
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interface
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subroutine psb_c_cuda_cp_elg_from_fmt(a,b,info)
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import :: psb_c_cuda_elg_sparse_mat, psb_c_base_sparse_mat, psb_ipk_
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class(psb_c_cuda_elg_sparse_mat), intent(inout) :: a
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class(psb_c_base_sparse_mat), intent(in) :: b
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_c_cuda_cp_elg_from_fmt
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end interface
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interface
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subroutine psb_c_cuda_mv_elg_from_coo(a,b,info)
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import :: psb_c_cuda_elg_sparse_mat, psb_c_coo_sparse_mat, psb_ipk_
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class(psb_c_cuda_elg_sparse_mat), intent(inout) :: a
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class(psb_c_coo_sparse_mat), intent(inout) :: b
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_c_cuda_mv_elg_from_coo
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end interface
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interface
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subroutine psb_c_cuda_mv_elg_from_fmt(a,b,info)
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import :: psb_c_cuda_elg_sparse_mat, psb_c_base_sparse_mat, psb_ipk_
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class(psb_c_cuda_elg_sparse_mat), intent(inout) :: a
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class(psb_c_base_sparse_mat), intent(inout) :: b
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_c_cuda_mv_elg_from_fmt
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end interface
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interface
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subroutine psb_c_cuda_elg_csmv(alpha,a,x,beta,y,info,trans)
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import :: psb_c_cuda_elg_sparse_mat, psb_spk_, psb_ipk_
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class(psb_c_cuda_elg_sparse_mat), intent(in) :: a
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complex(psb_spk_), intent(in) :: alpha, beta, x(:)
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complex(psb_spk_), intent(inout) :: y(:)
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integer(psb_ipk_), intent(out) :: info
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character, optional, intent(in) :: trans
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end subroutine psb_c_cuda_elg_csmv
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end interface
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interface
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subroutine psb_c_cuda_elg_csmm(alpha,a,x,beta,y,info,trans)
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import :: psb_c_cuda_elg_sparse_mat, psb_spk_, psb_ipk_
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class(psb_c_cuda_elg_sparse_mat), intent(in) :: a
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complex(psb_spk_), intent(in) :: alpha, beta, x(:,:)
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complex(psb_spk_), intent(inout) :: y(:,:)
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integer(psb_ipk_), intent(out) :: info
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character, optional, intent(in) :: trans
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end subroutine psb_c_cuda_elg_csmm
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end interface
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interface
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subroutine psb_c_cuda_elg_scal(d,a,info, side)
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import :: psb_c_cuda_elg_sparse_mat, psb_spk_, psb_ipk_
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class(psb_c_cuda_elg_sparse_mat), intent(inout) :: a
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complex(psb_spk_), intent(in) :: d(:)
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integer(psb_ipk_), intent(out) :: info
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character, intent(in), optional :: side
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end subroutine psb_c_cuda_elg_scal
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end interface
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interface
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subroutine psb_c_cuda_elg_scals(d,a,info)
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import :: psb_c_cuda_elg_sparse_mat, psb_spk_, psb_ipk_
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class(psb_c_cuda_elg_sparse_mat), intent(inout) :: a
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complex(psb_spk_), intent(in) :: d
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_c_cuda_elg_scals
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end interface
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interface
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subroutine psb_c_cuda_elg_asb(a)
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import :: psb_c_cuda_elg_sparse_mat
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class(psb_c_cuda_elg_sparse_mat), intent(inout) :: a
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end subroutine psb_c_cuda_elg_asb
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end interface
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contains
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! == ===================================
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!
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!
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!
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! Getters
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!
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!
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!
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!
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!
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! == ===================================
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function c_cuda_elg_sizeof(a) result(res)
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implicit none
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class(psb_c_cuda_elg_sparse_mat), intent(in) :: a
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integer(psb_epk_) :: res
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if (a%is_dev()) call a%sync()
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res = 8
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res = res + (2*psb_sizeof_sp) * size(a%val)
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res = res + psb_sizeof_ip * size(a%irn)
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res = res + psb_sizeof_ip * size(a%idiag)
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res = res + psb_sizeof_ip * size(a%ja)
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! Should we account for the shadow data structure
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! on the GPU device side?
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! res = 2*res
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end function c_cuda_elg_sizeof
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function c_cuda_elg_get_fmt() result(res)
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implicit none
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character(len=5) :: res
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res = 'ELG'
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end function c_cuda_elg_get_fmt
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! == ===================================
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!
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!
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!
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! Data management
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!
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!
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!
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!
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!
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! == ===================================
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subroutine c_cuda_elg_reinit(a,clear)
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use elldev_mod
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implicit none
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integer(psb_ipk_) :: info
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class(psb_c_cuda_elg_sparse_mat), intent(inout) :: a
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logical, intent(in), optional :: clear
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integer(psb_ipk_) :: isz, err_act
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character(len=20) :: name='reinit'
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logical :: clear_
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logical, parameter :: debug=.false.
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call psb_erractionsave(err_act)
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info = psb_success_
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if (present(clear)) then
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clear_ = clear
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else
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clear_ = .true.
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end if
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if (a%is_bld() .or. a%is_upd()) then
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! do nothing
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return
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else if (a%is_asb()) then
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if (a%is_dev().or.a%is_sync()) then
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if (clear_) call zeroEllDevice(a%deviceMat)
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call a%set_dev()
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else if (a%is_host()) then
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a%val(:,:) = czero
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end if
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call a%set_upd()
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else
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info = psb_err_invalid_mat_state_
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call psb_errpush(info,name)
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goto 9999
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end if
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call psb_erractionrestore(err_act)
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return
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9999 call psb_error_handler(err_act)
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return
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end subroutine c_cuda_elg_reinit
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subroutine c_cuda_elg_free(a)
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use elldev_mod
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implicit none
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integer(psb_ipk_) :: info
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class(psb_c_cuda_elg_sparse_mat), intent(inout) :: a
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if (c_associated(a%deviceMat)) &
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& call freeEllDevice(a%deviceMat)
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a%deviceMat = c_null_ptr
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call a%psb_c_ell_sparse_mat%free()
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call a%set_sync()
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return
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end subroutine c_cuda_elg_free
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subroutine c_cuda_elg_sync(a)
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implicit none
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class(psb_c_cuda_elg_sparse_mat), target, intent(in) :: a
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class(psb_c_cuda_elg_sparse_mat), pointer :: tmpa
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integer(psb_ipk_) :: info
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tmpa => a
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if (tmpa%is_host()) then
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call tmpa%to_gpu(info)
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else if (tmpa%is_dev()) then
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call tmpa%from_gpu(info)
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end if
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call tmpa%set_sync()
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return
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end subroutine c_cuda_elg_sync
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subroutine c_cuda_elg_set_host(a)
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implicit none
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class(psb_c_cuda_elg_sparse_mat), intent(inout) :: a
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a%devstate = is_host
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end subroutine c_cuda_elg_set_host
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subroutine c_cuda_elg_set_dev(a)
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implicit none
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class(psb_c_cuda_elg_sparse_mat), intent(inout) :: a
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a%devstate = is_dev
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end subroutine c_cuda_elg_set_dev
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subroutine c_cuda_elg_set_sync(a)
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implicit none
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class(psb_c_cuda_elg_sparse_mat), intent(inout) :: a
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a%devstate = is_sync
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end subroutine c_cuda_elg_set_sync
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function c_cuda_elg_is_dev(a) result(res)
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implicit none
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class(psb_c_cuda_elg_sparse_mat), intent(in) :: a
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logical :: res
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res = (a%devstate == is_dev)
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end function c_cuda_elg_is_dev
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function c_cuda_elg_is_host(a) result(res)
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implicit none
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class(psb_c_cuda_elg_sparse_mat), intent(in) :: a
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logical :: res
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res = (a%devstate == is_host)
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end function c_cuda_elg_is_host
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function c_cuda_elg_is_sync(a) result(res)
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implicit none
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class(psb_c_cuda_elg_sparse_mat), intent(in) :: a
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logical :: res
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res = (a%devstate == is_sync)
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end function c_cuda_elg_is_sync
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subroutine c_cuda_elg_finalize(a)
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use elldev_mod
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implicit none
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type(psb_c_cuda_elg_sparse_mat), intent(inout) :: a
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if (c_associated(a%deviceMat)) &
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& call freeEllDevice(a%deviceMat)
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a%deviceMat = c_null_ptr
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return
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end subroutine c_cuda_elg_finalize
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end module psb_c_cuda_elg_mat_mod
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