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85 lines
3.3 KiB
Fortran
85 lines
3.3 KiB
Fortran
1 year ago
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! 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_cp_hdia_to_coo(a,b,info)
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use psb_base_mod
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use psb_s_hdia_mat_mod, psb_protect_name => psb_s_cp_hdia_to_coo
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use psi_ext_util_mod
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implicit none
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class(psb_s_hdia_sparse_mat), intent(in) :: a
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class(psb_s_coo_sparse_mat), intent(inout) :: b
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integer(psb_ipk_), intent(out) :: info
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!locals
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integer(psb_ipk_) :: k,i,j,nc,nr,nza, nzd,nd,hacksize,nhacks,iszd,&
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& ib, ir, kfirst, klast1, hackfirst, hacknext
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info = psb_success_
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if (a%is_dev()) call a%sync()
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nr = a%get_nrows()
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nc = a%get_ncols()
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nza = a%get_nzeros()
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call b%allocate(nr,nc,nza)
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b%psb_s_base_sparse_mat = a%psb_s_base_sparse_mat
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call b%set_nzeros(nza)
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call b%set_sort_status(psb_unsorted_)
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nhacks = a%nhacks
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hacksize = a%hacksize
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j = 0
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do k=1, nhacks
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i = (k-1)*hacksize + 1
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ib = min(hacksize,nr-i+1)
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hackfirst = a%hackoffsets(k)
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hacknext = a%hackoffsets(k+1)
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call psi_s_xtr_coo_from_dia(nr,nc,&
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& b%ia(j+1:), b%ja(j+1:), b%val(j+1:), nzd, &
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& hacksize,(hacknext-hackfirst),&
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& a%val((hacksize*hackfirst)+1:hacksize*hacknext),&
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& a%diaOffsets(hackfirst+1:hacknext),info,rdisp=(i-1))
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!!$ write(*,*) 'diaoffsets',ib,' : ',ib - abs(a%diaOffsets(hackfirst+1:hacknext))
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!!$ write(*,*) 'sum',ib,j,' : ',sum(ib - abs(a%diaOffsets(hackfirst+1:hacknext)))
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j = j + nzd
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end do
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if (nza /= j) then
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write(*,*) 'Wrong counts in hdia_to_coo',j,nza
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info = -8
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return
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end if
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call b%set_host()
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call b%fix(info)
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end subroutine psb_s_cp_hdia_to_coo
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