From e8ade0af0f8c499b2ff9366d5911151e1fcb135a Mon Sep 17 00:00:00 2001 From: Salvatore Filippone Date: Wed, 17 Jan 2007 15:08:10 +0000 Subject: [PATCH] Moving files from PSBLAS2 to MLD2P4. --- mld2p4/psb_zsp_renum.f90 | 458 --------------------------------------- 1 file changed, 458 deletions(-) delete mode 100644 mld2p4/psb_zsp_renum.f90 diff --git a/mld2p4/psb_zsp_renum.f90 b/mld2p4/psb_zsp_renum.f90 deleted file mode 100644 index 7cdf5f83..00000000 --- a/mld2p4/psb_zsp_renum.f90 +++ /dev/null @@ -1,458 +0,0 @@ -!!$ -!!$ -!!$ MD2P4 -!!$ Multilevel Domain Decomposition Parallel Preconditioner Package for PSBLAS -!!$ for -!!$ Parallel Sparse BLAS v2.0 -!!$ (C) Copyright 2006 Salvatore Filippone University of Rome Tor Vergata -!!$ Alfredo Buttari University of Rome Tor Vergata -!!$ Daniela di Serafino Second University of Naples -!!$ Pasqua D'Ambra ICAR-CNR -!!$ -!!$ 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 MD2P4 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 MD2P4 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. -!!$ -!!$ -subroutine psb_zsp_renum(a,desc_a,blck,p,atmp,info) - use psb_base_mod - use psb_prec_type - implicit none - - ! .. array Arguments .. - type(psb_zspmat_type), intent(in) :: a,blck - type(psb_zspmat_type), intent(inout) :: atmp - type(psb_zbaseprc_type), intent(inout) :: p - type(psb_desc_type), intent(in) :: desc_a - integer, intent(out) :: info - - - character(len=20) :: name, ch_err - integer nztota, nztotb, nztmp, nzl, nnr, ir, mglob, mtype, n_row, & - & nrow_a,n_col, nhalo,lovr, ind, iind, pi,nr,ns,i,j,jj,k,kk - integer ::ictxt,np,me, err_act - integer, allocatable :: itmp(:), itmp2(:) - complex(kind(1.d0)), allocatable :: ztmp(:) - real(kind(1.d0)) :: t1,t2,t3,t4,t5,t6,mpi_wtime, t7, t8 - external mpi_wtime - - if (psb_get_errstatus().ne.0) return - info=0 - name='apply_renum' - call psb_erractionsave(err_act) - - ictxt=psb_cd_get_context(desc_a) - call psb_info(ictxt, me, np) - -!!!!!!!!!!!!!!!! CHANGE FOR NON-CSR A - ! - ! Renumbering type: - ! 1. Global column indices - ! (2. GPS band reduction disabled for the time being) - - if (p%iprcparm(iren_)==renum_glb_) then - atmp%m = a%m + blck%m - atmp%k = a%k - atmp%fida='CSR' - atmp%descra = 'GUN' - - ! This is the renumbering coherent with global indices.. - mglob = psb_cd_get_global_rows(desc_a) - ! - ! Remember: we have switched IA1=COLS and IA2=ROWS - ! Now identify the set of distinct local column indices - ! - - nnr = p%desc_data%matrix_data(psb_n_row_) - allocate(p%perm(nnr),p%invperm(nnr),itmp2(nnr),stat=info) - if (info /= 0) then - call psb_errpush(4010,name,a_err='Allocate') - goto 9999 - end if - - do k=1,nnr - itmp2(k) = p%desc_data%loc_to_glob(k) - enddo - ! - ! We want: NEW(I) = OLD(PERM(I)) - ! - call isrx(nnr,itmp2,p%perm) - - do k=1, nnr - p%invperm(p%perm(k)) = k - enddo - t3 = mpi_wtime() - - ! Build ATMP with new numbering. - nztmp=size(atmp%aspk) - allocate(itmp(max(8,atmp%m+2,nztmp+2)),ztmp(atmp%m),stat=info) - if (info /= 0) then - call psb_errpush(4010,name,a_err='Allocate') - goto 9999 - end if - - j = 1 - atmp%ia2(1) = 1 - do i=1, atmp%m - ir = p%perm(i) - - if (ir <= a%m ) then - - nzl = a%ia2(ir+1) - a%ia2(ir) - if (nzl > size(ztmp)) then - call psb_realloc(nzl,ztmp,info) - if(info/=0) then - info=4010 - ch_err='psb_realloc' - call psb_errpush(info,name,a_err=ch_err) - goto 9999 - end if - endif - jj = a%ia2(ir) - k=0 - do kk=1, nzl - if (a%ia1(jj+kk-1)<=atmp%m) then - k = k + 1 - ztmp(k) = a%aspk(jj+kk-1) - atmp%ia1(j+k-1) = p%invperm(a%ia1(jj+kk-1)) - endif - enddo - call isrx(k,atmp%ia1(j:j+k-1),itmp2) - do kk=1,k - atmp%aspk(j+kk-1) = ztmp(itmp2(kk)) - enddo - - else if (ir <= atmp%m ) then - - ir = ir - a%m - nzl = blck%ia2(ir+1) - blck%ia2(ir) - if (nzl > size(ztmp)) then - call psb_realloc(nzl,ztmp,info) - if(info/=0) then - info=4010 - ch_err='psb_realloc' - call psb_errpush(info,name,a_err=ch_err) - goto 9999 - end if - endif - jj = blck%ia2(ir) - k=0 - do kk=1, nzl - if (blck%ia1(jj+kk-1)<=atmp%m) then - k = k + 1 - ztmp(k) = blck%aspk(jj+kk-1) - atmp%ia1(j+k-1) = p%invperm(blck%ia1(jj+kk-1)) - endif - enddo - call isrx(k,atmp%ia1(j:j+k-1),itmp2) - do kk=1,k - atmp%aspk(j+kk-1) = ztmp(itmp2(kk)) - enddo - - else - write(0,*) 'Row index error 1 :',i,ir - endif - - j = j + k - atmp%ia2(i+1) = j - - enddo - - t4 = mpi_wtime() - - - deallocate(itmp,itmp2,ztmp) - - else if (p%iprcparm(iren_)==renum_gps_) then - - atmp%m = a%m + blck%m - atmp%k = a%k - atmp%fida='CSR' - atmp%descra = 'GUN' - do i=1, a%m - atmp%ia2(i) = a%ia2(i) - do j= a%ia2(i), a%ia2(i+1)-1 - atmp%ia1(j) = a%ia1(j) - enddo - enddo - atmp%ia2(a%m+1) = a%ia2(a%m+1) - nztota = atmp%ia2(a%m+1) -1 - if (blck%m>0) then - do i=1, blck%m - atmp%ia2(a%m+i) = nztota+blck%ia2(i) - do j= blck%ia2(i), blck%ia2(i+1)-1 - atmp%ia1(nztota+j) = blck%ia1(j) - enddo - enddo - atmp%ia2(atmp%m+1) = nztota+blck%ia2(blck%m+1) - endif - nztmp = atmp%ia2(atmp%m+1) - 1 - - - ! This is a renumbering with Gibbs-Poole-Stockmeyer - ! band reduction. Switched off for now. To be fixed, - ! gps_reduction should get p%perm. - - ! write(0,*) me,' Renumbering: realloc perms',atmp%m - call psb_realloc(atmp%m,p%perm,info) - if(info/=0) then - info=4010 - ch_err='psb_realloc' - call psb_errpush(info,name,a_err=ch_err) - goto 9999 - end if - - call psb_realloc(atmp%m,p%invperm,info) - if(info/=0) then - info=4010 - ch_err='psb_realloc' - call psb_errpush(info,name,a_err=ch_err) - goto 9999 - end if - - allocate(itmp(max(8,atmp%m+2,nztmp+2)),stat=info) - if (info /= 0) then - call psb_errpush(4010,name,a_err='Allocate') - goto 9999 - end if - - itmp(1:8) = 0 - ! write(0,*) me,' Renumbering: Calling Metis' - - ! write(0,*) size(p%av(u_pr_)%pl),size(p%av(l_pr_)%pr) - call gps_reduction(atmp%m,atmp%ia2,atmp%ia1,p%perm,p%invperm,info) - if(info/=0) then - info=4010 - ch_err='gps_reduction' - call psb_errpush(info,name,a_err=ch_err) - goto 9999 - end if - - ! write(0,*) me,' Renumbering: Done GPS' - ! call psb_barrier(ictxt) - do i=1, atmp%m - if (p%perm(i) /= i) then - write(0,*) me,' permutation is not identity ' - exit - endif - enddo - - - - do k=1, nnr - p%invperm(p%perm(k)) = k - enddo - t3 = mpi_wtime() - - ! Build ATMP with new numbering. - - allocate(itmp2(max(8,atmp%m+2,nztmp+2)),ztmp(atmp%m),stat=info) - if (info /= 0) then - call psb_errpush(4010,name,a_err='Allocate') - goto 9999 - end if - - j = 1 - atmp%ia2(1) = 1 - do i=1, atmp%m - ir = p%perm(i) - - if (ir <= a%m ) then - - nzl = a%ia2(ir+1) - a%ia2(ir) - if (nzl > size(ztmp)) then - call psb_realloc(nzl,ztmp,info) - if(info/=0) then - info=4010 - ch_err='psb_realloc' - call psb_errpush(info,name,a_err=ch_err) - goto 9999 - end if - endif - jj = a%ia2(ir) - k=0 - do kk=1, nzl - if (a%ia1(jj+kk-1)<=atmp%m) then - k = k + 1 - ztmp(k) = a%aspk(jj+kk-1) - atmp%ia1(j+k-1) = p%invperm(a%ia1(jj+kk-1)) - endif - enddo - call isrx(k,atmp%ia1(j:j+k-1),itmp2) - do kk=1,k - atmp%aspk(j+kk-1) = ztmp(itmp2(kk)) - enddo - - else if (ir <= atmp%m ) then - - ir = ir - a%m - nzl = blck%ia2(ir+1) - blck%ia2(ir) - if (nzl > size(ztmp)) then - call psb_realloc(nzl,ztmp,info) - if(info/=0) then - info=4010 - ch_err='psb_realloc' - call psb_errpush(info,name,a_err=ch_err) - goto 9999 - end if - endif - jj = blck%ia2(ir) - k=0 - do kk=1, nzl - if (blck%ia1(jj+kk-1)<=atmp%m) then - k = k + 1 - ztmp(k) = blck%aspk(jj+kk-1) - atmp%ia1(j+k-1) = p%invperm(blck%ia1(jj+kk-1)) - endif - enddo - call isrx(k,atmp%ia1(j:j+k-1),itmp2) - do kk=1,k - atmp%aspk(j+kk-1) = ztmp(itmp2(kk)) - enddo - - else - write(0,*) 'Row index error 1 :',i,ir - endif - - j = j + k - atmp%ia2(i+1) = j - - enddo - - t4 = mpi_wtime() - - - - deallocate(itmp,itmp2,ztmp) - - end if - - call psb_erractionrestore(err_act) - return - -9999 continue - call psb_erractionrestore(err_act) - if (err_act.eq.act_abort) then - call psb_error() - return - end if - return - -contains - - - subroutine gps_reduction(m,ia,ja,perm,iperm,info) - integer i,j,dgConn,Npnt,m - integer n,idpth,ideg,ibw2,ipf2 - integer,dimension(:) :: perm,iperm,ia,ja - integer, intent(out) :: info - - integer,dimension(:,:),allocatable::NDstk - integer,dimension(:),allocatable::iOld,renum,ndeg,lvl,lvls1,lvls2,ccstor - - character(len=20) :: name, ch_err - - if(psb_get_errstatus().ne.0) return - info=0 - name='gps_reduction' - call psb_erractionsave(err_act) - - - !--- Calcolo il massimo grado di connettivita'. - npnt = m - write(6,*) ' GPS su ',npnt - dgConn=0 - do i=1,m - dgconn = max(dgconn,(ia(i+1)-ia(i))) - enddo - !--- Il max valore di connettivita' e "dgConn" - - !--- Valori della common - n=Npnt !--- Numero di righe - iDeg=dgConn !--- Massima connettivita' - ! iDpth= !--- Numero di livelli non serve settarlo - - allocate(NDstk(Npnt,dgConn),stat=info) - if (info/=0) then - info=4000 - call psb_errpush(info,name) - goto 9999 - else - write(0,*) 'gps_reduction first alloc OK' - endif - allocate(iOld(Npnt),renum(Npnt+1),ndeg(Npnt),lvl(Npnt),lvls1(Npnt),& - &lvls2(Npnt),ccstor(Npnt),stat=info) - if (info/=0) then - info=4000 - call psb_errpush(info,name) - goto 9999 - else - write(0,*) 'gps_reduction 2nd alloc OK' - endif - - !--- Prepariamo il grafo della matrice - Ndstk(:,:)=0 - do i=1,Npnt - k=0 - do j = ia(i),ia(i+1) - 1 - if ((1<=ja(j)).and.( ja( j ) /= i ).and.(ja(j)<=npnt)) then - k = k+1 - Ndstk(i,k)=ja(j) - endif - enddo - ndeg(i)=k - enddo - - !--- Numerazione. - do i=1,Npnt - iOld(i)=i - enddo - write(0,*) 'gps_red : Preparation done' - !--- - !--- Chiamiamo funzione reduce. - call psb_gps_reduce(Ndstk,Npnt,iOld,renum,ndeg,lvl,lvls1, lvls2,ccstor,& - & ibw2,ipf2,n,idpth,ideg) - write(0,*) 'gps_red : Done reduce' - !--- Permutazione - perm(1:Npnt)=renum(1:Npnt) - !--- Inversa permutazione - do i=1,Npnt - iperm(perm(i))=i - enddo - !--- Puliamo tutto. - deallocate(NDstk,iOld,renum,ndeg,lvl,lvls1,lvls2,ccstor) - - call psb_erractionrestore(err_act) - return - -9999 continue - call psb_erractionrestore(err_act) - if (err_act.eq.act_abort) then - call psb_error() - return - end if - return - - end subroutine gps_reduction - -end subroutine psb_zsp_renum