! 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. ! module psb_i_cuda_elg_mat_mod use iso_c_binding use psb_i_mat_mod use psb_i_ell_mat_mod use psb_i_cuda_vect_mod integer(psb_ipk_), parameter, private :: is_host = -1 integer(psb_ipk_), parameter, private :: is_sync = 0 integer(psb_ipk_), parameter, private :: is_dev = 1 type, extends(psb_i_ell_sparse_mat) :: psb_i_cuda_elg_sparse_mat ! ! ITPACK/ELL format, extended. ! We are adding here the routines to create a copy of the data ! into the GPU. ! If HAVE_SPGPU is undefined this is just ! a copy of ELL, indistinguishable. ! type(c_ptr) :: deviceMat = c_null_ptr integer(psb_ipk_) :: devstate = is_host contains procedure, nopass :: get_fmt => i_cuda_elg_get_fmt procedure, pass(a) :: sizeof => i_cuda_elg_sizeof procedure, pass(a) :: vect_mv => psb_i_cuda_elg_vect_mv procedure, pass(a) :: csmm => psb_i_cuda_elg_csmm procedure, pass(a) :: csmv => psb_i_cuda_elg_csmv procedure, pass(a) :: in_vect_sv => psb_i_cuda_elg_inner_vect_sv procedure, pass(a) :: scals => psb_i_cuda_elg_scals procedure, pass(a) :: scalv => psb_i_cuda_elg_scal procedure, pass(a) :: reallocate_nz => psb_i_cuda_elg_reallocate_nz procedure, pass(a) :: allocate_mnnz => psb_i_cuda_elg_allocate_mnnz procedure, pass(a) :: reinit => i_cuda_elg_reinit ! Note: we do *not* need the TO methods, because the parent type ! methods will work. procedure, pass(a) :: cp_from_coo => psb_i_cuda_cp_elg_from_coo procedure, pass(a) :: cp_from_fmt => psb_i_cuda_cp_elg_from_fmt procedure, pass(a) :: mv_from_coo => psb_i_cuda_mv_elg_from_coo procedure, pass(a) :: mv_from_fmt => psb_i_cuda_mv_elg_from_fmt procedure, pass(a) :: free => i_cuda_elg_free procedure, pass(a) :: mold => psb_i_cuda_elg_mold procedure, pass(a) :: csput_a => psb_i_cuda_elg_csput_a procedure, pass(a) :: csput_v => psb_i_cuda_elg_csput_v procedure, pass(a) :: is_host => i_cuda_elg_is_host procedure, pass(a) :: is_dev => i_cuda_elg_is_dev procedure, pass(a) :: is_sync => i_cuda_elg_is_sync procedure, pass(a) :: set_host => i_cuda_elg_set_host procedure, pass(a) :: set_dev => i_cuda_elg_set_dev procedure, pass(a) :: set_sync => i_cuda_elg_set_sync procedure, pass(a) :: sync => i_cuda_elg_sync procedure, pass(a) :: from_gpu => psb_i_cuda_elg_from_gpu procedure, pass(a) :: to_gpu => psb_i_cuda_elg_to_gpu procedure, pass(a) :: asb => psb_i_cuda_elg_asb final :: i_cuda_elg_finalize end type psb_i_cuda_elg_sparse_mat private :: i_cuda_elg_get_nzeros, i_cuda_elg_free, i_cuda_elg_get_fmt, & & i_cuda_elg_get_size, i_cuda_elg_sizeof, i_cuda_elg_get_nz_row, i_cuda_elg_sync interface subroutine psb_i_cuda_elg_vect_mv(alpha,a,x,beta,y,info,trans) import :: psb_i_cuda_elg_sparse_mat, psb_ipk_, psb_i_base_vect_type, psb_ipk_ class(psb_i_cuda_elg_sparse_mat), intent(in) :: a integer(psb_ipk_), intent(in) :: alpha, beta class(psb_i_base_vect_type), intent(inout) :: x class(psb_i_base_vect_type), intent(inout) :: y integer(psb_ipk_), intent(out) :: info character, optional, intent(in) :: trans end subroutine psb_i_cuda_elg_vect_mv end interface interface subroutine psb_i_cuda_elg_inner_vect_sv(alpha,a,x,beta,y,info,trans) import :: psb_ipk_, psb_i_cuda_elg_sparse_mat, psb_ipk_, psb_i_base_vect_type class(psb_i_cuda_elg_sparse_mat), intent(in) :: a integer(psb_ipk_), intent(in) :: alpha, beta class(psb_i_base_vect_type), intent(inout) :: x, y integer(psb_ipk_), intent(out) :: info character, optional, intent(in) :: trans end subroutine psb_i_cuda_elg_inner_vect_sv end interface interface subroutine psb_i_cuda_elg_reallocate_nz(nz,a) import :: psb_i_cuda_elg_sparse_mat, psb_ipk_ integer(psb_ipk_), intent(in) :: nz class(psb_i_cuda_elg_sparse_mat), intent(inout) :: a end subroutine psb_i_cuda_elg_reallocate_nz end interface interface subroutine psb_i_cuda_elg_allocate_mnnz(m,n,a,nz) import :: psb_i_cuda_elg_sparse_mat, psb_ipk_ integer(psb_ipk_), intent(in) :: m,n class(psb_i_cuda_elg_sparse_mat), intent(inout) :: a integer(psb_ipk_), intent(in), optional :: nz end subroutine psb_i_cuda_elg_allocate_mnnz end interface interface subroutine psb_i_cuda_elg_mold(a,b,info) import :: psb_i_cuda_elg_sparse_mat, psb_i_base_sparse_mat, psb_ipk_ class(psb_i_cuda_elg_sparse_mat), intent(in) :: a class(psb_i_base_sparse_mat), intent(inout), allocatable :: b integer(psb_ipk_), intent(out) :: info end subroutine psb_i_cuda_elg_mold end interface interface subroutine psb_i_cuda_elg_csput_a(nz,ia,ja,val,a,imin,imax,jmin,jmax,info) import :: psb_i_cuda_elg_sparse_mat, psb_ipk_, psb_ipk_ class(psb_i_cuda_elg_sparse_mat), intent(inout) :: a integer(psb_ipk_), intent(in) :: val(:) integer(psb_ipk_), intent(in) :: nz,ia(:), ja(:),& & imin,imax,jmin,jmax integer(psb_ipk_), intent(out) :: info end subroutine psb_i_cuda_elg_csput_a end interface interface subroutine psb_i_cuda_elg_csput_v(nz,ia,ja,val,a,imin,imax,jmin,jmax,info) import :: psb_i_cuda_elg_sparse_mat, psb_dpk_, psb_ipk_, psb_i_base_vect_type,& & psb_i_base_vect_type class(psb_i_cuda_elg_sparse_mat), intent(inout) :: a class(psb_i_base_vect_type), intent(inout) :: val class(psb_i_base_vect_type), intent(inout) :: ia, ja integer(psb_ipk_), intent(in) :: nz, imin,imax,jmin,jmax integer(psb_ipk_), intent(out) :: info end subroutine psb_i_cuda_elg_csput_v end interface interface subroutine psb_i_cuda_elg_from_gpu(a,info) import :: psb_i_cuda_elg_sparse_mat, psb_ipk_ class(psb_i_cuda_elg_sparse_mat), intent(inout) :: a integer(psb_ipk_), intent(out) :: info end subroutine psb_i_cuda_elg_from_gpu end interface interface subroutine psb_i_cuda_elg_to_gpu(a,info, nzrm) import :: psb_i_cuda_elg_sparse_mat, psb_ipk_ class(psb_i_cuda_elg_sparse_mat), intent(inout) :: a integer(psb_ipk_), intent(out) :: info integer(psb_ipk_), intent(in), optional :: nzrm end subroutine psb_i_cuda_elg_to_gpu end interface interface subroutine psb_i_cuda_cp_elg_from_coo(a,b,info) import :: psb_i_cuda_elg_sparse_mat, psb_i_coo_sparse_mat, psb_ipk_ class(psb_i_cuda_elg_sparse_mat), intent(inout) :: a class(psb_i_coo_sparse_mat), intent(in) :: b integer(psb_ipk_), intent(out) :: info end subroutine psb_i_cuda_cp_elg_from_coo end interface interface subroutine psb_i_cuda_cp_elg_from_fmt(a,b,info) import :: psb_i_cuda_elg_sparse_mat, psb_i_base_sparse_mat, psb_ipk_ class(psb_i_cuda_elg_sparse_mat), intent(inout) :: a class(psb_i_base_sparse_mat), intent(in) :: b integer(psb_ipk_), intent(out) :: info end subroutine psb_i_cuda_cp_elg_from_fmt end interface interface subroutine psb_i_cuda_mv_elg_from_coo(a,b,info) import :: psb_i_cuda_elg_sparse_mat, psb_i_coo_sparse_mat, psb_ipk_ class(psb_i_cuda_elg_sparse_mat), intent(inout) :: a class(psb_i_coo_sparse_mat), intent(inout) :: b integer(psb_ipk_), intent(out) :: info end subroutine psb_i_cuda_mv_elg_from_coo end interface interface subroutine psb_i_cuda_mv_elg_from_fmt(a,b,info) import :: psb_i_cuda_elg_sparse_mat, psb_i_base_sparse_mat, psb_ipk_ class(psb_i_cuda_elg_sparse_mat), intent(inout) :: a class(psb_i_base_sparse_mat), intent(inout) :: b integer(psb_ipk_), intent(out) :: info end subroutine psb_i_cuda_mv_elg_from_fmt end interface interface subroutine psb_i_cuda_elg_csmv(alpha,a,x,beta,y,info,trans) import :: psb_i_cuda_elg_sparse_mat, psb_ipk_, psb_ipk_ class(psb_i_cuda_elg_sparse_mat), intent(in) :: a integer(psb_ipk_), intent(in) :: alpha, beta, x(:) integer(psb_ipk_), intent(inout) :: y(:) integer(psb_ipk_), intent(out) :: info character, optional, intent(in) :: trans end subroutine psb_i_cuda_elg_csmv end interface interface subroutine psb_i_cuda_elg_csmm(alpha,a,x,beta,y,info,trans) import :: psb_i_cuda_elg_sparse_mat, psb_ipk_, psb_ipk_ class(psb_i_cuda_elg_sparse_mat), intent(in) :: a integer(psb_ipk_), intent(in) :: alpha, beta, x(:,:) integer(psb_ipk_), intent(inout) :: y(:,:) integer(psb_ipk_), intent(out) :: info character, optional, intent(in) :: trans end subroutine psb_i_cuda_elg_csmm end interface interface subroutine psb_i_cuda_elg_scal(d,a,info, side) import :: psb_i_cuda_elg_sparse_mat, psb_ipk_, psb_ipk_ class(psb_i_cuda_elg_sparse_mat), intent(inout) :: a integer(psb_ipk_), intent(in) :: d(:) integer(psb_ipk_), intent(out) :: info character, intent(in), optional :: side end subroutine psb_i_cuda_elg_scal end interface interface subroutine psb_i_cuda_elg_scals(d,a,info) import :: psb_i_cuda_elg_sparse_mat, psb_ipk_, psb_ipk_ class(psb_i_cuda_elg_sparse_mat), intent(inout) :: a integer(psb_ipk_), intent(in) :: d integer(psb_ipk_), intent(out) :: info end subroutine psb_i_cuda_elg_scals end interface interface subroutine psb_i_cuda_elg_asb(a) import :: psb_i_cuda_elg_sparse_mat class(psb_i_cuda_elg_sparse_mat), intent(inout) :: a end subroutine psb_i_cuda_elg_asb end interface contains ! == =================================== ! ! ! ! Getters ! ! ! ! ! ! == =================================== function i_cuda_elg_sizeof(a) result(res) implicit none class(psb_i_cuda_elg_sparse_mat), intent(in) :: a integer(psb_epk_) :: res if (a%is_dev()) call a%sync() res = 8 res = res + psb_sizeof_ip * size(a%val) res = res + psb_sizeof_ip * size(a%irn) res = res + psb_sizeof_ip * size(a%idiag) res = res + psb_sizeof_ip * size(a%ja) ! Should we account for the shadow data structure ! on the GPU device side? ! res = 2*res end function i_cuda_elg_sizeof function i_cuda_elg_get_fmt() result(res) implicit none character(len=5) :: res res = 'ELG' end function i_cuda_elg_get_fmt ! == =================================== ! ! ! ! Data management ! ! ! ! ! ! == =================================== subroutine i_cuda_elg_reinit(a,clear) use elldev_mod implicit none integer(psb_ipk_) :: info class(psb_i_cuda_elg_sparse_mat), intent(inout) :: a logical, intent(in), optional :: clear integer(psb_ipk_) :: isz, err_act character(len=20) :: name='reinit' logical :: clear_ logical, parameter :: debug=.false. call psb_erractionsave(err_act) info = psb_success_ if (present(clear)) then clear_ = clear else clear_ = .true. end if if (a%is_bld() .or. a%is_upd()) then ! do nothing return else if (a%is_asb()) then if (a%is_dev().or.a%is_sync()) then if (clear_) call zeroEllDevice(a%deviceMat) call a%set_dev() else if (a%is_host()) then a%val(:,:) = izero end if call a%set_upd() else info = psb_err_invalid_mat_state_ call psb_errpush(info,name) goto 9999 end if call psb_erractionrestore(err_act) return 9999 call psb_error_handler(err_act) return end subroutine i_cuda_elg_reinit subroutine i_cuda_elg_free(a) use elldev_mod implicit none integer(psb_ipk_) :: info class(psb_i_cuda_elg_sparse_mat), intent(inout) :: a if (c_associated(a%deviceMat)) & & call freeEllDevice(a%deviceMat) a%deviceMat = c_null_ptr call a%psb_i_ell_sparse_mat%free() call a%set_sync() return end subroutine i_cuda_elg_free subroutine i_cuda_elg_sync(a) implicit none class(psb_i_cuda_elg_sparse_mat), target, intent(in) :: a class(psb_i_cuda_elg_sparse_mat), pointer :: tmpa integer(psb_ipk_) :: info tmpa => a if (tmpa%is_host()) then call tmpa%to_gpu(info) else if (tmpa%is_dev()) then call tmpa%from_gpu(info) end if call tmpa%set_sync() return end subroutine i_cuda_elg_sync subroutine i_cuda_elg_set_host(a) implicit none class(psb_i_cuda_elg_sparse_mat), intent(inout) :: a a%devstate = is_host end subroutine i_cuda_elg_set_host subroutine i_cuda_elg_set_dev(a) implicit none class(psb_i_cuda_elg_sparse_mat), intent(inout) :: a a%devstate = is_dev end subroutine i_cuda_elg_set_dev subroutine i_cuda_elg_set_sync(a) implicit none class(psb_i_cuda_elg_sparse_mat), intent(inout) :: a a%devstate = is_sync end subroutine i_cuda_elg_set_sync function i_cuda_elg_is_dev(a) result(res) implicit none class(psb_i_cuda_elg_sparse_mat), intent(in) :: a logical :: res res = (a%devstate == is_dev) end function i_cuda_elg_is_dev function i_cuda_elg_is_host(a) result(res) implicit none class(psb_i_cuda_elg_sparse_mat), intent(in) :: a logical :: res res = (a%devstate == is_host) end function i_cuda_elg_is_host function i_cuda_elg_is_sync(a) result(res) implicit none class(psb_i_cuda_elg_sparse_mat), intent(in) :: a logical :: res res = (a%devstate == is_sync) end function i_cuda_elg_is_sync subroutine i_cuda_elg_finalize(a) use elldev_mod implicit none type(psb_i_cuda_elg_sparse_mat), intent(inout) :: a if (c_associated(a%deviceMat)) & & call freeEllDevice(a%deviceMat) a%deviceMat = c_null_ptr return end subroutine i_cuda_elg_finalize end module psb_i_cuda_elg_mat_mod