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149 lines
6.0 KiB
Fortran
149 lines
6.0 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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#if CUDA_SHORT_VERSION <= 10
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subroutine psb_c_cuda_hybg_to_gpu(a,info,nzrm)
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use psb_base_mod
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use cusparse_mod
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use psb_c_cuda_hybg_mat_mod, psb_protect_name => psb_c_cuda_hybg_to_gpu
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implicit none
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class(psb_c_cuda_hybg_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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integer(psb_ipk_) :: m, nzm, n, pitch,maxrowsize,nz
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integer(psb_ipk_) :: nzdi,i,j,k,nrz
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integer(psb_ipk_), allocatable :: irpdi(:),jadi(:)
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complex(psb_spk_), allocatable :: valdi(:)
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info = 0
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if ((.not.allocated(a%val)).or.(.not.allocated(a%ja))) return
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m = a%get_nrows()
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n = a%get_ncols()
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nz = a%get_nzeros()
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if (c_associated(a%deviceMat%Mat)) then
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info = HYBGDeviceFree(a%deviceMat)
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end if
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if (a%is_unit()) then
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!
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! CUSPARSE has the habit of storing the diagonal and then ignoring,
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! whereas we do not store it. Hence this adapter code.
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!
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nzdi = nz + m
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if (info == 0) info = HYBGDeviceAlloc(a%deviceMat,m,n,nzdi)
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if (info == 0) info = HYBGDeviceSetMatIndexBase(a%deviceMat,cusparse_index_base_one)
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! We are explicitly adding the diagonal
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if (info == 0) info = HYBGDeviceSetMatDiagType(a%deviceMat,cusparse_diag_type_non_unit)
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! Dirty trick: CUSPARSE 4.1 wants to have a matrix declared GENERAL when
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! doing csr2hyb (inside Host2Device), so we do it here, and afterwards overwrite with
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! TRIANGULAR if needed. Weird, but works.
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if (info == 0) info = HYBGDeviceSetMatType(a%deviceMat,cusparse_matrix_type_general)
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if (info == 0) allocate(irpdi(m+1),jadi(nzdi),valdi(nzdi),stat=info)
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if (info == 0) then
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irpdi(1) = 1
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if (a%is_triangle().and.a%is_upper()) then
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do i=1,m
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j = irpdi(i)
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jadi(j) = i
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valdi(j) = cone
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nrz = a%irp(i+1)-a%irp(i)
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jadi(j+1:j+nrz) = a%ja(a%irp(i):a%irp(i+1)-1)
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valdi(j+1:j+nrz) = a%val(a%irp(i):a%irp(i+1)-1)
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irpdi(i+1) = j + nrz + 1
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! write(0,*) 'Row ',i,' : ',irpdi(i:i+1),':',jadi(j:j+nrz),valdi(j:j+nrz)
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end do
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else
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do i=1,m
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j = irpdi(i)
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nrz = a%irp(i+1)-a%irp(i)
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jadi(j+0:j+nrz-1) = a%ja(a%irp(i):a%irp(i+1)-1)
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valdi(j+0:j+nrz-1) = a%val(a%irp(i):a%irp(i+1)-1)
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jadi(j+nrz) = i
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valdi(j+nrz) = cone
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irpdi(i+1) = j + nrz + 1
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! write(0,*) 'Row ',i,' : ',irpdi(i:i+1),':',jadi(j:j+nrz),valdi(j:j+nrz)
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end do
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end if
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end if
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if (info == 0) info = HYBGHost2Device(a%deviceMat,m,n,nzdi,irpdi,jadi,valdi)
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if ((info == 0) .and. a%is_triangle()) then
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info = HYBGDeviceSetMatType(a%deviceMat,cusparse_matrix_type_triangular)
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if ((info == 0).and.a%is_upper()) then
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info = HYBGDeviceSetMatFillMode(a%deviceMat,cusparse_fill_mode_upper)
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else
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info = HYBGDeviceSetMatFillMode(a%deviceMat,cusparse_fill_mode_lower)
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end if
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end if
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else
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if (info == 0) info = HYBGDeviceAlloc(a%deviceMat,m,n,nz)
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if (info == 0) info = HYBGDeviceSetMatIndexBase(a%deviceMat,cusparse_index_base_one)
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! Dirty trick: CUSPARSE 4.1 wants to have a matrix declared GENERAL when
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! doing csr2hyb (inside Host2Device), so we do it here, and afterwards overwrite with
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! TRIANGULAR if needed. Weird, but works.
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if (info == 0) info = HYBGDeviceSetMatType(a%deviceMat,cusparse_matrix_type_general)
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if (info == 0) then
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if (a%is_unit()) then
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info = HYBGDeviceSetMatDiagType(a%deviceMat,cusparse_diag_type_unit)
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else
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info = HYBGDeviceSetMatDiagType(a%deviceMat,cusparse_diag_type_non_unit)
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end if
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end if
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if (info == 0) info = HYBGHost2Device(a%deviceMat,m,n,nz,a%irp,a%ja,a%val)
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if ((info == 0) .and. a%is_triangle()) then
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info = HYBGDeviceSetMatType(a%deviceMat,cusparse_matrix_type_triangular)
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if ((info == 0).and.a%is_upper()) then
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info = HYBGDeviceSetMatFillMode(a%deviceMat,cusparse_fill_mode_upper)
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else
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info = HYBGDeviceSetMatFillMode(a%deviceMat,cusparse_fill_mode_lower)
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end if
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end if
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endif
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if ((info == 0) .and. a%is_triangle()) then
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info = HYBGDeviceHybsmAnalysis(a%deviceMat)
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end if
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if (info /= 0) then
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write(0,*) 'Error in HYBG_TO_GPU ',info
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end if
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end subroutine psb_c_cuda_hybg_to_gpu
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#endif
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