! ! ! AMG4PSBLAS version 1.0 ! Algebraic Multigrid Package ! based on PSBLAS (Parallel Sparse BLAS version 3.7) ! ! (C) Copyright 2021 ! ! Salvatore Filippone ! Pasqua D'Ambra ! Fabio Durastante ! ! 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 AMG4PSBLAS 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 AMG4PSBLAS 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. ! ! ! File: amg_ptap_bld.F90 ! ! This routine does two things: ! 1. Computes the transpose of the prolongator Prol and stores ! it explicitly into Restr ! 2. Computes AC = P^T A P ! ! Yes, doing two things at once is against received wisdom, but we are ! trying to save time in the build procedure; maybe we will revisit this ! decision. ! subroutine amg_z_ptap_bld(a_csr,desc_a,nlaggr,parms,ac,& & coo_prol,desc_ac,coo_restr,info,desc_ax) use psb_base_mod use amg_z_inner_mod use amg_z_base_aggregator_mod, amg_protect_name => amg_z_ptap_bld implicit none ! Arguments type(psb_z_csr_sparse_mat), intent(inout) :: a_csr type(psb_desc_type), intent(inout) :: desc_a integer(psb_lpk_), intent(inout) :: nlaggr(:) type(amg_dml_parms), intent(inout) :: parms type(psb_z_coo_sparse_mat), intent(inout) :: coo_prol, coo_restr type(psb_desc_type), intent(inout) :: desc_ac type(psb_zspmat_type), intent(out) :: ac integer(psb_ipk_), intent(out) :: info type(psb_desc_type), intent(inout), optional :: desc_ax ! Local variables integer(psb_ipk_) :: err_act type(psb_ctxt_type) :: ctxt integer(psb_ipk_) :: np, me, ndx character(len=40) :: name type(psb_lz_coo_sparse_mat) :: ac_coo, tmpcoo type(psb_z_csr_sparse_mat) :: acsr3, csr_prol, ac_csr, csr_restr integer(psb_ipk_) :: debug_level, debug_unit, naggr integer(psb_lpk_) :: nglob, ntaggr, naggrm1, naggrp1 integer(psb_ipk_) :: nrow, ncol, nrl, nzl, ip, nzt, i, k integer(psb_lpk_) :: nrsave, ncsave, nzsave, nza logical, parameter :: do_timings=.false., oldstyle=.false., debug=.false. integer(psb_ipk_), save :: idx_spspmm=-1 name='amg_ptap_bld' if(psb_get_errstatus().ne.0) return info=psb_success_ call psb_erractionsave(err_act) ctxt = desc_a%get_context() call psb_info(ctxt, me, np) debug_unit = psb_get_debug_unit() debug_level = psb_get_debug_level() nglob = desc_a%get_global_rows() nrow = desc_a%get_local_rows() ncol = desc_a%get_local_cols() if ((do_timings).and.(idx_spspmm==-1)) & & idx_spspmm = psb_get_timer_idx("SPMM_BLD: par_spspmm") naggr = nlaggr(me+1) ntaggr = sum(nlaggr) naggrm1 = sum(nlaggr(1:me)) naggrp1 = sum(nlaggr(1:me+1)) !write(0,*)me,' ',name,' input sizes',nlaggr(:),':',naggr ! ! COO_PROL should arrive here with local numbering ! if (debug) write(0,*) me,' ',trim(name),' Size check on entry New: ',& & coo_prol%get_fmt(),coo_prol%get_nrows(),coo_prol%get_ncols(),coo_prol%get_nzeros(),& & nrow,ntaggr,naggr call coo_prol%cp_to_fmt(csr_prol,info) if (debug) write(0,*) me,trim(name),' Product AxPROL ',& & a_csr%get_nrows(),a_csr%get_ncols(), csr_prol%get_nrows(), & & desc_a%get_local_rows(),desc_a%get_local_cols(),& & desc_ac%get_local_rows(),desc_a%get_local_cols() if (debug) flush(0) if (do_timings) call psb_tic(idx_spspmm) call psb_par_spspmm(a_csr,desc_a,csr_prol,acsr3,desc_ac,info) if (do_timings) call psb_toc(idx_spspmm) if (debug) write(0,*) me,trim(name),' Done AxPROL ',& & acsr3%get_nrows(),acsr3%get_ncols(), acsr3%get_nzeros(),& & desc_ac%get_local_rows(),desc_ac%get_local_cols() ! ! Ok first product done. if (present(desc_ax)) then block call coo_prol%cp_to_coo(coo_restr,info) call coo_restr%set_ncols(desc_ac%get_local_cols()) call coo_restr%set_nrows(desc_a%get_local_rows()) call psb_z_coo_glob_transpose(coo_restr,desc_a,info,desc_c=desc_ac,desc_rx=desc_ax) call coo_restr%set_nrows(desc_ac%get_local_rows()) call coo_restr%set_ncols(desc_ax%get_local_cols()) end block call csr_restr%cp_from_coo(coo_restr,info) if (info /= psb_success_) then call psb_errpush(psb_err_from_subroutine_,name,a_err='spcnv coo_restr') goto 9999 end if if (debug_level >= psb_debug_outer_) & & write(debug_unit,*) me,' ',trim(name),& & 'starting sphalo/ rwxtd' if (debug) write(0,*) me,trim(name),' Product RESTRxAP ',& & csr_restr%get_nrows(),csr_restr%get_ncols(), & & desc_ac%get_local_rows(),desc_a%get_local_cols(),& & acsr3%get_nrows(),acsr3%get_ncols() if (do_timings) call psb_tic(idx_spspmm) call psb_par_spspmm(csr_restr,desc_ax,acsr3,ac_csr,desc_ac,info) if (do_timings) call psb_toc(idx_spspmm) call acsr3%free() else ! ! Remember that RESTR must be built from PROL after halo extension, ! which is done above in psb_par_spspmm if (debug) write(0,*)me,' ',name,' No inp_restr, transposing prol ',& & csr_prol%get_nrows(),csr_prol%get_ncols(),csr_prol%get_nzeros() call csr_prol%mv_to_coo(coo_restr,info) if (debug) call check_coo(me,trim(name)//' Check 1 (before transp) on coo_restr:',coo_restr) call coo_restr%transp() nzl = coo_restr%get_nzeros() nrl = desc_ac%get_local_rows() i=0 ! ! Only keep local rows ! do k=1, nzl if ((1 <= coo_restr%ia(k)) .and.(coo_restr%ia(k) <= nrl)) then i = i+1 coo_restr%val(i) = coo_restr%val(k) coo_restr%ia(i) = coo_restr%ia(k) coo_restr%ja(i) = coo_restr%ja(k) end if end do call coo_restr%set_nzeros(i) call coo_restr%fix(info) nzl = coo_restr%get_nzeros() call coo_restr%set_nrows(desc_ac%get_local_rows()) call coo_restr%set_ncols(desc_a%get_local_cols()) if (debug) call check_coo(me,trim(name)//' Check 2 on coo_restr:',coo_restr) call csr_restr%cp_from_coo(coo_restr,info) if (info /= psb_success_) then call psb_errpush(psb_err_from_subroutine_,name,a_err='spcnv coo_restr') goto 9999 end if if (debug_level >= psb_debug_outer_) & & write(debug_unit,*) me,' ',trim(name),& & 'starting sphalo/ rwxtd' if (debug) write(0,*) me,trim(name),' Product RESTRxAP ',& & csr_restr%get_nrows(),csr_restr%get_ncols(), & & desc_ac%get_local_rows(),desc_a%get_local_cols(),& & acsr3%get_nrows(),acsr3%get_ncols() if (do_timings) call psb_tic(idx_spspmm) call psb_par_spspmm(csr_restr,desc_a,acsr3,ac_csr,desc_ac,info) if (do_timings) call psb_toc(idx_spspmm) call acsr3%free() end if if (.not.desc_ac%is_asb()) call psb_cdasb(desc_ac,info) call ac_csr%set_nrows(desc_ac%get_local_rows()) call ac_csr%set_ncols(desc_ac%get_local_cols()) call ac%mv_from(ac_csr) call ac%set_asb() if (debug) write(0,*) me,' ',trim(name),' After mv_from',psb_get_errstatus() if (debug) write(0,*) me,' ',trim(name),' ',ac%get_fmt(),ac%get_nrows(),ac%get_ncols(),ac%get_nzeros(),naggr,ntaggr call coo_prol%set_ncols(desc_ac%get_local_cols()) if (debug) call check_coo(me,trim(name)//' Check 3 on coo_restr:',coo_restr) if (debug_level >= psb_debug_outer_) & & write(debug_unit,*) me,' ',trim(name),& & 'Done ptap ' call psb_erractionrestore(err_act) return 9999 call psb_error_handler(err_act) return contains subroutine check_coo(me,string,coo) implicit none integer(psb_ipk_) :: me type(psb_z_coo_sparse_mat) :: coo character(len=*) :: string integer(psb_lpk_) :: nr,nc,nz nr = coo%get_nrows() nc = coo%get_ncols() nz = coo%get_nzeros() write(0,*) me,string,nr,nc,& & minval(coo%ia(1:nz)),maxval(coo%ia(1:nz)),& & minval(coo%ja(1:nz)),maxval(coo%ja(1:nz)) end subroutine check_coo end subroutine amg_z_ptap_bld subroutine amg_z_lz_ptap_bld(a_csr,desc_a,nlaggr,parms,ac,& & coo_prol,desc_ac,coo_restr,info,desc_ax) use psb_base_mod use amg_z_inner_mod use amg_z_base_aggregator_mod !, amg_protect_name => amg_z_lz_ptap_bld implicit none ! Arguments type(psb_z_csr_sparse_mat), intent(inout) :: a_csr type(psb_desc_type), intent(inout) :: desc_a integer(psb_lpk_), intent(inout) :: nlaggr(:) type(amg_dml_parms), intent(inout) :: parms type(psb_lz_coo_sparse_mat), intent(inout) :: coo_prol, coo_restr type(psb_desc_type), intent(inout) :: desc_ac type(psb_lzspmat_type), intent(out) :: ac integer(psb_ipk_), intent(out) :: info type(psb_desc_type), intent(inout), optional :: desc_ax ! Local variables integer(psb_ipk_) :: err_act type(psb_ctxt_type) :: ctxt integer(psb_ipk_) :: np, me, ndx character(len=40) :: name type(psb_lz_coo_sparse_mat) :: ac_coo, tmpcoo type(psb_z_csr_sparse_mat) :: acsr3, csr_prol, ac_csr, csr_restr integer(psb_ipk_) :: debug_level, debug_unit, naggr integer(psb_lpk_) :: nrow, nglob, ncol, ntaggr, nrl, nzl, ip, & & nzt, naggrm1, naggrp1, i, k integer(psb_lpk_) :: nrsave, ncsave, nzsave, nza logical, parameter :: do_timings=.false., oldstyle=.false., debug=.false. integer(psb_ipk_), save :: idx_spspmm=-1 name='amg_ptap_bld' if(psb_get_errstatus().ne.0) return info=psb_success_ call psb_erractionsave(err_act) ctxt = desc_a%get_context() call psb_info(ctxt, me, np) debug_unit = psb_get_debug_unit() debug_level = psb_get_debug_level() nglob = desc_a%get_global_rows() nrow = desc_a%get_local_rows() ncol = desc_a%get_local_cols() if ((do_timings).and.(idx_spspmm==-1)) & & idx_spspmm = psb_get_timer_idx("SPMM_BLD: par_spspmm") naggr = nlaggr(me+1) ntaggr = sum(nlaggr) naggrm1 = sum(nlaggr(1:me)) naggrp1 = sum(nlaggr(1:me+1)) ! ! COO_PROL should arrive here with local numbering ! if (debug) write(0,*) me,' ',trim(name),' Size check on entry New: ',& & coo_prol%get_fmt(),coo_prol%get_nrows(),coo_prol%get_ncols(),coo_prol%get_nzeros(),& & nrow,ntaggr,naggr call coo_prol%cp_to_ifmt(csr_prol,info) if (debug) write(0,*) me,trim(name),' Product AxPROL ',& & a_csr%get_nrows(),a_csr%get_ncols(), csr_prol%get_nrows(), & & desc_a%get_local_rows(),desc_a%get_local_cols(),& & desc_ac%get_local_rows(),desc_a%get_local_cols() if (debug) flush(0) if (do_timings) call psb_tic(idx_spspmm) call psb_par_spspmm(a_csr,desc_a,csr_prol,acsr3,desc_ac,info) if (do_timings) call psb_toc(idx_spspmm) if (debug) write(0,*) me,trim(name),' Done AxPROL ',& & acsr3%get_nrows(),acsr3%get_ncols(), acsr3%get_nzeros(),& & desc_ac%get_local_rows(),desc_ac%get_local_cols() ! ! Ok first product done. if (present(desc_ax)) then block type(psb_z_coo_sparse_mat) :: icoo_restr call coo_prol%cp_to_icoo(icoo_restr,info) call icoo_restr%set_ncols(desc_ac%get_local_cols()) call icoo_restr%set_nrows(desc_a%get_local_rows()) call psb_z_coo_glob_transpose(icoo_restr,desc_a,info,desc_c=desc_ac,desc_rx=desc_ax) call icoo_restr%set_nrows(desc_ac%get_local_rows()) call icoo_restr%set_ncols(desc_ax%get_local_cols()) call coo_restr%cp_from_icoo(icoo_restr,info) end block call csr_restr%cp_from_lcoo(coo_restr,info) if (info /= psb_success_) then call psb_errpush(psb_err_from_subroutine_,name,a_err='spcnv coo_restr') goto 9999 end if if (debug_level >= psb_debug_outer_) & & write(debug_unit,*) me,' ',trim(name),& & 'starting sphalo/ rwxtd' if (debug) write(0,*) me,trim(name),' Product RESTRxAP ',& & csr_restr%get_nrows(),csr_restr%get_ncols(), & & desc_ac%get_local_rows(),desc_a%get_local_cols(),& & acsr3%get_nrows(),acsr3%get_ncols() if (do_timings) call psb_tic(idx_spspmm) call psb_par_spspmm(csr_restr,desc_ax,acsr3,ac_csr,desc_ac,info) if (do_timings) call psb_toc(idx_spspmm) call acsr3%free() else ! ! Remember that RESTR must be built from PROL after halo extension, ! which is done above in psb_par_spspmm if (debug) write(0,*)me,' ',name,' No inp_restr, transposing prol ',& & csr_prol%get_nrows(),csr_prol%get_ncols(),csr_prol%get_nzeros() call csr_prol%mv_to_lcoo(coo_restr,info) if (debug) call check_coo(me,trim(name)//' Check 1 (before transp) on coo_restr:',coo_restr) call coo_restr%transp() nzl = coo_restr%get_nzeros() nrl = desc_ac%get_local_rows() i=0 ! ! Only keep local rows ! do k=1, nzl if ((1 <= coo_restr%ia(k)) .and.(coo_restr%ia(k) <= nrl)) then i = i+1 coo_restr%val(i) = coo_restr%val(k) coo_restr%ia(i) = coo_restr%ia(k) coo_restr%ja(i) = coo_restr%ja(k) end if end do call coo_restr%set_nzeros(i) call coo_restr%fix(info) nzl = coo_restr%get_nzeros() call coo_restr%set_nrows(desc_ac%get_local_rows()) call coo_restr%set_ncols(desc_a%get_local_cols()) if (debug) call check_coo(me,trim(name)//' Check 2 on coo_restr:',coo_restr) call csr_restr%cp_from_lcoo(coo_restr,info) if (info /= psb_success_) then call psb_errpush(psb_err_from_subroutine_,name,a_err='spcnv coo_restr') goto 9999 end if if (debug_level >= psb_debug_outer_) & & write(debug_unit,*) me,' ',trim(name),& & 'starting sphalo/ rwxtd' if (debug) write(0,*) me,trim(name),' Product RESTRxAP ',& & csr_restr%get_nrows(),csr_restr%get_ncols(), & & desc_ac%get_local_rows(),desc_a%get_local_cols(),& & acsr3%get_nrows(),acsr3%get_ncols() if (do_timings) call psb_tic(idx_spspmm) call psb_par_spspmm(csr_restr,desc_a,acsr3,ac_csr,desc_ac,info) if (do_timings) call psb_toc(idx_spspmm) call acsr3%free() end if if (.not.desc_ac%is_asb()) call psb_cdasb(desc_ac,info) call ac_csr%set_nrows(desc_ac%get_local_rows()) call ac_csr%set_ncols(desc_ac%get_local_cols()) call ac%mv_from(ac_csr) call ac%set_asb() if (debug) write(0,*) me,' ',trim(name),' After mv_from',psb_get_errstatus() if (debug) write(0,*) me,' ',trim(name),' ',ac%get_fmt(),ac%get_nrows(),ac%get_ncols(),ac%get_nzeros(),naggr,ntaggr call coo_prol%set_ncols(desc_ac%get_local_cols()) if (debug) call check_coo(me,trim(name)//' Check 3 on coo_restr:',coo_restr) if (debug_level >= psb_debug_outer_) & & write(debug_unit,*) me,' ',trim(name),& & 'Done ptap ' call psb_erractionrestore(err_act) return 9999 call psb_error_handler(err_act) return contains subroutine check_coo(me,string,coo) implicit none integer(psb_ipk_) :: me type(psb_lz_coo_sparse_mat) :: coo character(len=*) :: string integer(psb_lpk_) :: nr,nc,nz nr = coo%get_nrows() nc = coo%get_ncols() nz = coo%get_nzeros() write(0,*) me,string,nr,nc,& & minval(coo%ia(1:nz)),maxval(coo%ia(1:nz)),& & minval(coo%ja(1:nz)),maxval(coo%ja(1:nz)) end subroutine check_coo end subroutine amg_z_lz_ptap_bld subroutine amg_lz_ptap_bld(a_csr,desc_a,nlaggr,parms,ac,& & coo_prol,desc_ac,coo_restr,info,desc_ax) use psb_base_mod use amg_z_inner_mod use amg_z_base_aggregator_mod!, amg_protect_name => amg_lz_ptap_bld implicit none ! Arguments type(psb_lz_csr_sparse_mat), intent(inout) :: a_csr type(psb_desc_type), intent(inout) :: desc_a integer(psb_lpk_), intent(inout) :: nlaggr(:) type(amg_dml_parms), intent(inout) :: parms type(psb_lz_coo_sparse_mat), intent(inout) :: coo_prol, coo_restr type(psb_desc_type), intent(inout) :: desc_ac type(psb_lzspmat_type), intent(out) :: ac integer(psb_ipk_), intent(out) :: info type(psb_desc_type), intent(inout), optional :: desc_ax ! Local variables integer(psb_ipk_) :: err_act type(psb_ctxt_type) :: ctxt integer(psb_ipk_) :: np, me, ndx character(len=40) :: name type(psb_lz_coo_sparse_mat) :: ac_coo, tmpcoo type(psb_lz_csr_sparse_mat) :: acsr3, csr_prol, ac_csr, csr_restr integer(psb_ipk_) :: debug_level, debug_unit, naggr integer(psb_lpk_) :: nrow, nglob, ncol, ntaggr, nrl, nzl, ip, & & nzt, naggrm1, naggrp1, i, k integer(psb_lpk_) :: nrsave, ncsave, nzsave, nza logical, parameter :: do_timings=.true., oldstyle=.false., debug=.false. integer(psb_ipk_), save :: idx_spspmm=-1 name='amg_ptap_bld' if(psb_get_errstatus().ne.0) return info=psb_success_ call psb_erractionsave(err_act) ctxt = desc_a%get_context() call psb_info(ctxt, me, np) debug_unit = psb_get_debug_unit() debug_level = psb_get_debug_level() nglob = desc_a%get_global_rows() nrow = desc_a%get_local_rows() ncol = desc_a%get_local_cols() if ((do_timings).and.(idx_spspmm==-1)) & & idx_spspmm = psb_get_timer_idx("SPMM_BLD: par_spspmm") naggr = nlaggr(me+1) ntaggr = sum(nlaggr) naggrm1 = sum(nlaggr(1:me)) naggrp1 = sum(nlaggr(1:me+1)) !write(0,*)me,' ',name,' input sizes',nlaggr(:),':',naggr ! ! COO_PROL should arrive here with local numbering ! if (debug) write(0,*) me,' ',trim(name),' Size check on entry New: ',& & coo_prol%get_fmt(),coo_prol%get_nrows(),coo_prol%get_ncols(),coo_prol%get_nzeros(),& & nrow,ntaggr,naggr call coo_prol%cp_to_fmt(csr_prol,info) if (debug) write(0,*) me,trim(name),' Product AxPROL ',& & a_csr%get_nrows(),a_csr%get_ncols(), csr_prol%get_nrows(), & & desc_a%get_local_rows(),desc_a%get_local_cols(),& & desc_ac%get_local_rows(),desc_a%get_local_cols() if (debug) flush(0) if (do_timings) call psb_tic(idx_spspmm) call psb_par_spspmm(a_csr,desc_a,csr_prol,acsr3,desc_ac,info) if (do_timings) call psb_toc(idx_spspmm) if (debug) write(0,*) me,trim(name),' Done AxPROL ',& & acsr3%get_nrows(),acsr3%get_ncols(), acsr3%get_nzeros(),& & desc_ac%get_local_rows(),desc_ac%get_local_cols() ! ! Ok first product done. if (present(desc_ax)) then block type(psb_z_coo_sparse_mat) :: icoo_restr call coo_prol%cp_to_icoo(icoo_restr,info) call icoo_restr%set_ncols(desc_ac%get_local_cols()) call icoo_restr%set_nrows(desc_a%get_local_rows()) call psb_z_coo_glob_transpose(icoo_restr,desc_a,info,desc_c=desc_ac,desc_rx=desc_ax) call icoo_restr%set_nrows(desc_ac%get_local_rows()) call icoo_restr%set_ncols(desc_ax%get_local_cols()) write(0,*) me,' ',trim(name),' check on glob_transpose 1: ',& & desc_a%get_local_cols(),desc_ax%get_local_cols(),icoo_restr%get_nzeros() if (desc_a%get_local_cols()= psb_debug_outer_) & & write(debug_unit,*) me,' ',trim(name),& & 'starting sphalo/ rwxtd' if (debug) write(0,*) me,trim(name),' Product RESTRxAP ',& & csr_restr%get_nrows(),csr_restr%get_ncols(), & & desc_ac%get_local_rows(),desc_a%get_local_cols(),& & acsr3%get_nrows(),acsr3%get_ncols() if (do_timings) call psb_tic(idx_spspmm) call psb_par_spspmm(csr_restr,desc_ax,acsr3,ac_csr,desc_ac,info) if (do_timings) call psb_toc(idx_spspmm) call acsr3%free() else ! ! Remember that RESTR must be built from PROL after halo extension, ! which is done above in psb_par_spspmm if (debug) write(0,*)me,' ',name,' No inp_restr, transposing prol ',& & csr_prol%get_nrows(),csr_prol%get_ncols(),csr_prol%get_nzeros() call csr_prol%mv_to_coo(coo_restr,info) if (debug) call check_coo(me,trim(name)//' Check 1 (before transp) on coo_restr:',coo_restr) call coo_restr%transp() nzl = coo_restr%get_nzeros() nrl = desc_ac%get_local_rows() i=0 ! ! Only keep local rows ! do k=1, nzl if ((1 <= coo_restr%ia(k)) .and.(coo_restr%ia(k) <= nrl)) then i = i+1 coo_restr%val(i) = coo_restr%val(k) coo_restr%ia(i) = coo_restr%ia(k) coo_restr%ja(i) = coo_restr%ja(k) end if end do call coo_restr%set_nzeros(i) call coo_restr%fix(info) nzl = coo_restr%get_nzeros() call coo_restr%set_nrows(desc_ac%get_local_rows()) call coo_restr%set_ncols(desc_a%get_local_cols()) if (debug) call check_coo(me,trim(name)//' Check 2 on coo_restr:',coo_restr) call csr_restr%cp_from_coo(coo_restr,info) if (info /= psb_success_) then call psb_errpush(psb_err_from_subroutine_,name,a_err='spcnv coo_restr') goto 9999 end if if (debug_level >= psb_debug_outer_) & & write(debug_unit,*) me,' ',trim(name),& & 'starting sphalo/ rwxtd' if (debug) write(0,*) me,trim(name),' Product RESTRxAP ',& & csr_restr%get_nrows(),csr_restr%get_ncols(), & & desc_ac%get_local_rows(),desc_a%get_local_cols(),& & acsr3%get_nrows(),acsr3%get_ncols() if (do_timings) call psb_tic(idx_spspmm) call psb_par_spspmm(csr_restr,desc_a,acsr3,ac_csr,desc_ac,info) if (do_timings) call psb_toc(idx_spspmm) call acsr3%free() end if if (.not.desc_ac%is_asb()) call psb_cdasb(desc_ac,info) call ac_csr%set_nrows(desc_ac%get_local_rows()) call ac_csr%set_ncols(desc_ac%get_local_cols()) call ac%mv_from(ac_csr) call ac%set_asb() if (debug) write(0,*) me,' ',trim(name),' After mv_from',psb_get_errstatus() if (debug) write(0,*) me,' ',trim(name),' ',ac%get_fmt(),ac%get_nrows(),ac%get_ncols(),ac%get_nzeros(),naggr,ntaggr call coo_prol%set_ncols(desc_ac%get_local_cols()) if (debug) call check_coo(me,trim(name)//' Check 3 on coo_restr:',coo_restr) if (debug_level >= psb_debug_outer_) & & write(debug_unit,*) me,' ',trim(name),& & 'Done ptap ' call psb_erractionrestore(err_act) return 9999 call psb_error_handler(err_act) return contains subroutine check_coo(me,string,coo) implicit none integer(psb_ipk_) :: me type(psb_lz_coo_sparse_mat) :: coo character(len=*) :: string integer(psb_lpk_) :: nr,nc,nz nr = coo%get_nrows() nc = coo%get_ncols() nz = coo%get_nzeros() write(0,*) me,string,nr,nc,& & minval(coo%ia(1:nz)),maxval(coo%ia(1:nz)),& & minval(coo%ja(1:nz)),maxval(coo%ja(1:nz)) end subroutine check_coo end subroutine amg_lz_ptap_bld