! 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_dnsg_mat_mod use iso_c_binding use psb_i_mat_mod use psb_i_dns_mat_mod use dnsdev_mod type, extends(psb_i_dns_sparse_mat) :: psb_i_cuda_dnsg_sparse_mat ! ! ITPACK/DNS 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 DNS, indistinguishable. ! #ifdef HAVE_SPGPU type(c_ptr) :: deviceMat = c_null_ptr contains procedure, nopass :: get_fmt => i_cuda_dnsg_get_fmt ! procedure, pass(a) :: sizeof => i_cuda_dnsg_sizeof procedure, pass(a) :: vect_mv => psb_i_cuda_dnsg_vect_mv !!$ procedure, pass(a) :: csmm => psb_i_cuda_dnsg_csmm !!$ procedure, pass(a) :: csmv => psb_i_cuda_dnsg_csmv !!$ procedure, pass(a) :: in_vect_sv => psb_i_cuda_dnsg_inner_vect_sv !!$ procedure, pass(a) :: scals => psb_i_cuda_dnsg_scals !!$ procedure, pass(a) :: scalv => psb_i_cuda_dnsg_scal !!$ procedure, pass(a) :: reallocate_nz => psb_i_cuda_dnsg_reallocate_nz !!$ procedure, pass(a) :: allocate_mnnz => psb_i_cuda_dnsg_allocate_mnnz ! Note: we *do* need the TO methods, because of the need to invoke SYNC ! procedure, pass(a) :: cp_from_coo => psb_i_cuda_cp_dnsg_from_coo procedure, pass(a) :: cp_from_fmt => psb_i_cuda_cp_dnsg_from_fmt procedure, pass(a) :: mv_from_coo => psb_i_cuda_mv_dnsg_from_coo procedure, pass(a) :: mv_from_fmt => psb_i_cuda_mv_dnsg_from_fmt procedure, pass(a) :: free => i_cuda_dnsg_free procedure, pass(a) :: mold => psb_i_cuda_dnsg_mold procedure, pass(a) :: to_gpu => psb_i_cuda_dnsg_to_gpu final :: i_cuda_dnsg_finalize #else contains procedure, pass(a) :: mold => psb_i_cuda_dnsg_mold #endif end type psb_i_cuda_dnsg_sparse_mat #ifdef HAVE_SPGPU private :: i_cuda_dnsg_get_nzeros, i_cuda_dnsg_free, i_cuda_dnsg_get_fmt, & & i_cuda_dnsg_get_size, i_cuda_dnsg_get_nz_row interface subroutine psb_i_cuda_dnsg_vect_mv(alpha,a,x,beta,y,info,trans) import :: psb_i_cuda_dnsg_sparse_mat, psb_ipk_, psb_i_base_vect_type, psb_ipk_ class(psb_i_cuda_dnsg_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_dnsg_vect_mv end interface !!$ !!$ interface !!$ subroutine psb_i_cuda_dnsg_inner_vect_sv(alpha,a,x,beta,y,info,trans) !!$ import :: psb_ipk_, psb_i_cuda_dnsg_sparse_mat, psb_ipk_, psb_i_base_vect_type !!$ class(psb_i_cuda_dnsg_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_dnsg_inner_vect_sv !!$ end interface !!$ interface !!$ subroutine psb_i_cuda_dnsg_reallocate_nz(nz,a) !!$ import :: psb_i_cuda_dnsg_sparse_mat, psb_ipk_ !!$ integer(psb_ipk_), intent(in) :: nz !!$ class(psb_i_cuda_dnsg_sparse_mat), intent(inout) :: a !!$ end subroutine psb_i_cuda_dnsg_reallocate_nz !!$ end interface !!$ !!$ interface !!$ subroutine psb_i_cuda_dnsg_allocate_mnnz(m,n,a,nz) !!$ import :: psb_i_cuda_dnsg_sparse_mat, psb_ipk_ !!$ integer(psb_ipk_), intent(in) :: m,n !!$ class(psb_i_cuda_dnsg_sparse_mat), intent(inout) :: a !!$ integer(psb_ipk_), intent(in), optional :: nz !!$ end subroutine psb_i_cuda_dnsg_allocate_mnnz !!$ end interface interface subroutine psb_i_cuda_dnsg_mold(a,b,info) import :: psb_i_cuda_dnsg_sparse_mat, psb_i_base_sparse_mat, psb_ipk_ class(psb_i_cuda_dnsg_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_dnsg_mold end interface interface subroutine psb_i_cuda_dnsg_to_gpu(a,info) import :: psb_i_cuda_dnsg_sparse_mat, psb_ipk_ class(psb_i_cuda_dnsg_sparse_mat), intent(inout) :: a integer(psb_ipk_), intent(out) :: info end subroutine psb_i_cuda_dnsg_to_gpu end interface interface subroutine psb_i_cuda_cp_dnsg_from_coo(a,b,info) import :: psb_i_cuda_dnsg_sparse_mat, psb_i_coo_sparse_mat, psb_ipk_ class(psb_i_cuda_dnsg_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_dnsg_from_coo end interface interface subroutine psb_i_cuda_cp_dnsg_from_fmt(a,b,info) import :: psb_i_cuda_dnsg_sparse_mat, psb_i_base_sparse_mat, psb_ipk_ class(psb_i_cuda_dnsg_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_dnsg_from_fmt end interface interface subroutine psb_i_cuda_mv_dnsg_from_coo(a,b,info) import :: psb_i_cuda_dnsg_sparse_mat, psb_i_coo_sparse_mat, psb_ipk_ class(psb_i_cuda_dnsg_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_dnsg_from_coo end interface interface subroutine psb_i_cuda_mv_dnsg_from_fmt(a,b,info) import :: psb_i_cuda_dnsg_sparse_mat, psb_i_base_sparse_mat, psb_ipk_ class(psb_i_cuda_dnsg_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_dnsg_from_fmt end interface !!$ interface !!$ subroutine psb_i_cuda_dnsg_csmv(alpha,a,x,beta,y,info,trans) !!$ import :: psb_i_cuda_dnsg_sparse_mat, psb_ipk_, psb_ipk_ !!$ class(psb_i_cuda_dnsg_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_dnsg_csmv !!$ end interface !!$ interface !!$ subroutine psb_i_cuda_dnsg_csmm(alpha,a,x,beta,y,info,trans) !!$ import :: psb_i_cuda_dnsg_sparse_mat, psb_ipk_, psb_ipk_ !!$ class(psb_i_cuda_dnsg_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_dnsg_csmm !!$ end interface !!$ !!$ interface !!$ subroutine psb_i_cuda_dnsg_scal(d,a,info, side) !!$ import :: psb_i_cuda_dnsg_sparse_mat, psb_ipk_, psb_ipk_ !!$ class(psb_i_cuda_dnsg_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_dnsg_scal !!$ end interface !!$ !!$ interface !!$ subroutine psb_i_cuda_dnsg_scals(d,a,info) !!$ import :: psb_i_cuda_dnsg_sparse_mat, psb_ipk_, psb_ipk_ !!$ class(psb_i_cuda_dnsg_sparse_mat), intent(inout) :: a !!$ integer(psb_ipk_), intent(in) :: d !!$ integer(psb_ipk_), intent(out) :: info !!$ end subroutine psb_i_cuda_dnsg_scals !!$ end interface !!$ contains ! == =================================== ! ! ! ! Getters ! ! ! ! ! ! == =================================== function i_cuda_dnsg_get_fmt() result(res) implicit none character(len=5) :: res res = 'DNSG' end function i_cuda_dnsg_get_fmt ! == =================================== ! ! ! ! Data management ! ! ! ! ! ! == =================================== subroutine i_cuda_dnsg_free(a) use dnsdev_mod implicit none integer(psb_ipk_) :: info class(psb_i_cuda_dnsg_sparse_mat), intent(inout) :: a if (c_associated(a%deviceMat)) & & call freeDnsDevice(a%deviceMat) a%deviceMat = c_null_ptr call a%psb_i_dns_sparse_mat%free() return end subroutine i_cuda_dnsg_free subroutine i_cuda_dnsg_finalize(a) use dnsdev_mod implicit none type(psb_i_cuda_dnsg_sparse_mat), intent(inout) :: a if (c_associated(a%deviceMat)) & & call freeDnsDevice(a%deviceMat) a%deviceMat = c_null_ptr return end subroutine i_cuda_dnsg_finalize #else interface subroutine psb_i_cuda_dnsg_mold(a,b,info) import :: psb_i_cuda_dnsg_sparse_mat, psb_i_base_sparse_mat, psb_ipk_ class(psb_i_cuda_dnsg_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_dnsg_mold end interface #endif end module psb_i_cuda_dnsg_mat_mod