Beginning new version of smth_bld
Salvatore Filippone
5 years ago
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!
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!
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! MLD2P4 Extensions
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!
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! (C) Copyright 2019
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!
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! Salvatore Filippone Cranfield University
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! Pasqua D'Ambra IAC-CNR, Naples, IT
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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 MLD2P4 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 MLD2P4 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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!
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! File: mld_daggrmat_nosmth_bld.F90
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!
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!
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subroutine mld_d_spmm_bld_inner(a_csr,desc_a,ilaggr,nlaggr,parms,ac,&
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& op_prol,op_restr,info)
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use psb_base_mod
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use mld_d_inner_mod
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use mld_d_base_aggregator_mod, mld_protect_name => mld_d_spmm_bld_inner
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implicit none
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! Arguments
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type(psb_ld_csr_sparse_mat), intent(inout) :: a_csr
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type(psb_desc_type), intent(in) :: desc_a
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integer(psb_lpk_), intent(inout) :: ilaggr(:), nlaggr(:)
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type(mld_dml_parms), intent(inout) :: parms
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type(psb_ldspmat_type), intent(inout) :: op_prol, op_restr
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type(psb_ldspmat_type), intent(out) :: ac
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integer(psb_ipk_), intent(out) :: info
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! Local variables
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integer(psb_ipk_) :: err_act
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integer(psb_ipk_) :: ictxt,np,me, icomm, ndx, minfo
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character(len=40) :: name
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integer(psb_ipk_) :: ierr(5)
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type(psb_ld_coo_sparse_mat) :: ac_coo, tmpcoo, coo_prol
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type(psb_ld_csr_sparse_mat) :: acsr2, acsr3, acsr4, csr_prol, ac_csr, csr_restr
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type(psb_ldspmat_type) :: am3, am4, tmp_prol
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type(psb_desc_type), target :: tmp_desc
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integer(psb_ipk_) :: debug_level, debug_unit, naggr
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integer(psb_lpk_) :: nrow, nglob, ncol, ntaggr, nzl, ip, &
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& nzt, naggrm1, naggrp1, i, k
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integer(psb_lpk_) :: nrsave, ncsave, nzsave, nza, nrpsave, ncpsave, nzpsave
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logical, parameter :: do_timings=.true., oldstyle=.false., debug=.false.
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integer(psb_ipk_), save :: idx_spspmm=-1
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name='mld_spmm_bld_inner'
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if(psb_get_errstatus().ne.0) return
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info=psb_success_
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call psb_erractionsave(err_act)
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ictxt = desc_a%get_context()
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icomm = desc_a%get_mpic()
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call psb_info(ictxt, me, np)
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debug_unit = psb_get_debug_unit()
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debug_level = psb_get_debug_level()
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nglob = desc_a%get_global_rows()
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nrow = desc_a%get_local_rows()
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ncol = desc_a%get_local_cols()
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if ((do_timings).and.(idx_spspmm==-1)) &
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& idx_spspmm = psb_get_timer_idx("SPMM_BLD: par_spspmm")
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naggr = nlaggr(me+1)
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ntaggr = sum(nlaggr)
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naggrm1 = sum(nlaggr(1:me))
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naggrp1 = sum(nlaggr(1:me+1))
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!write(0,*)me,' ',name,' input sizes',nlaggr(:),':',naggr
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nrpsave = op_prol%get_nrows()
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ncpsave = op_prol%get_ncols()
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nzpsave = op_prol%get_nzeros()
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!write(0,*)me,' ',name,' input op_prol ',nrpsave,ncpsave,nzpsave
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!
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! Here OP_PROL should be with GLOBAL indices on the cols
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! and LOCAL indices on the rows.
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!
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if (debug) write(0,*) me,' ',trim(name),' Size check on entry New: ',&
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& op_prol%get_fmt(),op_prol%get_nrows(),op_prol%get_ncols(),op_prol%get_nzeros(),&
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& nrow,ntaggr,naggr
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call op_prol%cp_to(coo_prol)
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if (debug) write(0,*) me,' ',trim(name),' coo_prol: ',&
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& coo_prol%ia(1:min(10,nzpsave)),' :',coo_prol%ja(1:min(10,nzpsave))
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call psb_cdall(ictxt,tmp_desc,info,nl=naggr)
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call tmp_desc%indxmap%g2lip_ins(coo_prol%ja(1:nzpsave),info)
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call coo_prol%set_ncols(tmp_desc%get_local_cols())
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call coo_prol%mv_to_fmt(csr_prol,info)
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if (debug) write(0,*) me,trim(name),' Product AxPROL ',&
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& a_csr%get_nrows(),a_csr%get_ncols(), csr_prol%get_nrows(), &
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& desc_a%get_local_rows(),desc_a%get_local_cols(),&
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& tmp_desc%get_local_rows(),desc_a%get_local_cols()
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if (debug) flush(0)
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if (do_timings) call psb_tic(idx_spspmm)
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call psb_par_spspmm(a_csr,desc_a,csr_prol,acsr3,tmp_desc,info)
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if (do_timings) call psb_toc(idx_spspmm)
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if (debug) write(0,*) me,trim(name),' Done AxPROL ',&
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& acsr3%get_nrows(),acsr3%get_ncols(), acsr3%get_nzeros(),&
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& tmp_desc%get_local_rows(),tmp_desc%get_local_cols()
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!
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! Ok first product done.
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!
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! Remember that RESTR must be built from PROL after halo extension,
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! which is done above in psb_par_spspmm
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if (debug) write(0,*)me,' ',name,' No inp_restr, transposing prol ',&
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& csr_prol%get_nrows(),csr_prol%get_ncols(),csr_prol%get_nzeros()
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call csr_prol%cp_to_fmt(tmpcoo,info)
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!!$ write(0,*)me,' ',name,' new into transposition ',tmpcoo%get_nrows(),&
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!!$ & tmpcoo%get_ncols(),tmpcoo%get_nzeros()
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call tmpcoo%transp()
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nzl = tmpcoo%get_nzeros()
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call tmp_desc%l2gip(tmpcoo%ia(1:nzl),info)
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i=0
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!
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! Now we have to fix this. The only rows of the restrictor that are correct
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! are those corresponding to "local" aggregates, i.e. indices in ilaggr(:)
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!
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do k=1, nzl
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if ((naggrm1 < tmpcoo%ia(k)) .and.(tmpcoo%ia(k) <= naggrp1)) then
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i = i+1
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tmpcoo%val(i) = tmpcoo%val(k)
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tmpcoo%ia(i) = tmpcoo%ia(k)
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tmpcoo%ja(i) = tmpcoo%ja(k)
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end if
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end do
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call tmpcoo%set_nzeros(i)
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call tmpcoo%fix(info)
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call op_restr%cp_from(tmpcoo)
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!!$ write(0,*)me,' ',name,' after transposition ',tmpcoo%get_nrows(),tmpcoo%get_ncols(),tmpcoo%get_nzeros()
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if (info /= psb_success_) then
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call psb_errpush(psb_err_from_subroutine_,name,a_err='spcnv op_restr')
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goto 9999
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end if
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if (debug_level >= psb_debug_outer_) &
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& write(debug_unit,*) me,' ',trim(name),&
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& 'starting sphalo/ rwxtd'
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nzl = tmpcoo%get_nzeros()
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call psb_glob_to_loc(tmpcoo%ia(1:nzl),tmp_desc,info,iact='I',owned=.true.)
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call tmpcoo%clean_negidx(info)
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nzl = tmpcoo%get_nzeros()
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call tmpcoo%set_nrows(tmp_desc%get_local_rows())
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call tmpcoo%set_ncols(desc_a%get_local_cols())
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!!$ write(0,*)me,' ',name,' after G2L on rows ',tmpcoo%get_nrows(),tmpcoo%get_ncols(),tmpcoo%get_nzeros()
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call csr_restr%mv_from_coo(tmpcoo,info)
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if (debug) write(0,*) me,trim(name),' Product RESTRxAP ',&
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& csr_restr%get_nrows(),csr_restr%get_ncols(), &
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& tmp_desc%get_local_rows(),desc_a%get_local_cols(),&
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& acsr3%get_nrows(),acsr3%get_ncols()
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if (do_timings) call psb_tic(idx_spspmm)
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call psb_par_spspmm(csr_restr,desc_a,acsr3,ac_csr,tmp_desc,info)
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if (do_timings) call psb_toc(idx_spspmm)
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call ac_csr%mv_to_coo(ac_coo,info)
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nza = ac_coo%get_nzeros()
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if (debug) write(0,*) me,trim(name),' Fixing ac ',&
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& ac_coo%get_nrows(),ac_coo%get_ncols(), nza
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call ac_coo%fix(info)
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call tmp_desc%indxmap%l2gip(ac_coo%ia(1:nza),info)
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call tmp_desc%indxmap%l2gip(ac_coo%ja(1:nza),info)
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call ac_coo%set_nrows(ntaggr)
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call ac_coo%set_ncols(ntaggr)
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if (debug) write(0,*) me,' ',trim(name),' Before mv_from',psb_get_errstatus()
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if (info == 0) call ac%mv_from(ac_coo)
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if (debug) write(0,*) me,' ',trim(name),' After mv_from',psb_get_errstatus()
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if (debug) write(0,*) me,' ',trim(name),' ',ac%get_fmt(),ac%get_nrows(),ac%get_ncols(),ac%get_nzeros(),naggr,ntaggr
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! write(0,*) me,' ',trim(name),' Final AC newstyle ',ac%get_fmt(),ac%get_nrows(),ac%get_ncols(),ac%get_nzeros()
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if (debug) then
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write(0,*) me,' ',trim(name),' Checkpoint at exit'
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call psb_barrier(ictxt)
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write(0,*) me,' ',trim(name),' Checkpoint through'
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end if
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if (info /= psb_success_) then
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call psb_errpush(psb_err_internal_error_,name,a_err='Build ac = op_restr x am3')
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goto 9999
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end if
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if (debug_level >= psb_debug_outer_) &
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& write(debug_unit,*) me,' ',trim(name),&
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& 'Done smooth_aggregate '
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call psb_erractionrestore(err_act)
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return
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9999 call psb_error_handler(err_act)
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return
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end subroutine mld_d_spmm_bld_inner
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