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77 lines
2.9 KiB
Fortran
77 lines
2.9 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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subroutine psb_s_cuda_hdiag_to_gpu(a,info)
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use psb_base_mod
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use hdiagdev_mod
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use psb_vectordev_mod
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use psb_s_cuda_hdiag_mat_mod, psb_protect_name => psb_s_cuda_hdiag_to_gpu
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use iso_c_binding
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implicit none
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class(psb_s_cuda_hdiag_sparse_mat), intent(inout) :: a
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_) :: nr, nc, hacksize, hackcount, allocheight
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type(hdiagdev_parms) :: gpu_parms
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info = 0
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nr = a%get_nrows()
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nc = a%get_ncols()
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hacksize = a%hackSize
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hackCount = a%nhacks
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if (.not.allocated(a%hackOffsets)) then
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info = -1
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return
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end if
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allocheight = a%hackOffsets(hackCount+1)
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!!$ write(*,*) 'HDIAG TO GPU:',nr,nc,hacksize,hackCount,allocheight,&
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!!$ & size(a%hackoffsets),size(a%diaoffsets), size(a%val)
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if (.not.allocated(a%diaOffsets)) then
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info = -2
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return
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end if
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if (.not.allocated(a%val)) then
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info = -3
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return
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end if
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if (c_associated(a%deviceMat)) then
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call freeHdiagDevice(a%deviceMat)
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endif
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info = FAllocHdiagDevice(a%deviceMat,nr,nc,&
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& allocheight,hacksize,hackCount,spgpu_type_double)
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if (info == 0) info = &
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& writeHdiagDevice(a%deviceMat,a%val,a%diaOffsets,a%hackOffsets)
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end subroutine psb_s_cuda_hdiag_to_gpu
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