From 043184dc17d385e5b21842daca42dc8c2d40c128 Mon Sep 17 00:00:00 2001 From: Salvatore Filippone Date: Wed, 17 Jan 2007 15:00:37 +0000 Subject: [PATCH] Moving files from PSBLAS2 to MLD2P4. --- psb_dilu_bld.f90 | 366 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 366 insertions(+) create mode 100644 psb_dilu_bld.f90 diff --git a/psb_dilu_bld.f90 b/psb_dilu_bld.f90 new file mode 100644 index 00000000..6744155f --- /dev/null +++ b/psb_dilu_bld.f90 @@ -0,0 +1,366 @@ +!!$ +!!$ +!!$ 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. +!!$ +!!$ +!***************************************************************************** +!* * +!* This is where the action takes place. * +!* ASMATBLD does the setup: building the prec descriptor plus retrieving * +!* matrix rows if needed * +!* * +!* * +!* * +!* * +!* some open code does the renumbering * +!* * +!* * +!* * +!* * +!***************************************************************************** +subroutine psb_dilu_bld(a,desc_a,p,upd,info) + use psb_base_mod + use psb_prec_type + implicit none + ! + ! .. Scalar Arguments .. + integer, intent(out) :: info + ! .. array Arguments .. + type(psb_dspmat_type), intent(in), target :: a + type(psb_dbaseprc_type), intent(inout) :: p + type(psb_desc_type), intent(in) :: desc_a + character, intent(in) :: upd + + ! .. Local Scalars .. + integer :: i, j, jj, k, kk, m + integer :: int_err(5) + character :: trans, unitd + type(psb_dspmat_type) :: blck, atmp + real(kind(1.d0)) :: t1,t2,t3,t4,t5,t6,mpi_wtime, t7, t8 + external mpi_wtime + logical, parameter :: debugprt=.false., debug=.false., aggr_dump=.false. + integer nztota, nztotb, nztmp, nzl, nnr, ir, err_act,& + & n_row, nrow_a,n_col, nhalo, ind, iind, i1,i2,ia + integer :: ictxt,np,me + character(len=20) :: name, ch_err + + interface psb_ilu_fct + subroutine psb_dilu_fct(a,l,u,d,info,blck) + use psb_base_mod + integer, intent(out) :: info + type(psb_dspmat_type),intent(in) :: a + type(psb_dspmat_type),intent(inout) :: l,u + type(psb_dspmat_type),intent(in), optional, target :: blck + real(kind(1.d0)), intent(inout) :: d(:) + end subroutine psb_dilu_fct + end interface + + interface psb_asmatbld + Subroutine psb_dasmatbld(ptype,novr,a,blk,desc_data,upd,desc_p,info,outfmt) + use psb_base_mod + use psb_prec_type + integer, intent(in) :: ptype,novr + Type(psb_dspmat_type), Intent(in) :: a + Type(psb_dspmat_type), Intent(inout) :: blk + Type(psb_desc_type), Intent(inout) :: desc_p + Type(psb_desc_type), Intent(in) :: desc_data + Character, Intent(in) :: upd + integer, intent(out) :: info + character(len=5), optional :: outfmt + end Subroutine psb_dasmatbld + end interface + + interface psb_sp_renum + subroutine psb_dsp_renum(a,desc_a,blck,p,atmp,info) + use psb_base_mod + use psb_prec_type + implicit none + type(psb_dspmat_type), intent(in) :: a,blck + type(psb_dspmat_type), intent(inout) :: atmp + type(psb_dbaseprc_type), intent(inout) :: p + type(psb_desc_type), intent(in) :: desc_a + integer, intent(out) :: info + end subroutine psb_dsp_renum + end interface + + if(psb_get_errstatus().ne.0) return + info=0 + name='psb_ilu_bld' + call psb_erractionsave(err_act) + + ictxt=psb_cd_get_context(desc_a) + call psb_info(ictxt, me, np) + + m = a%m + if (m < 0) then + info = 10 + int_err(1) = 1 + int_err(2) = m + call psb_errpush(info,name,i_err=int_err) + goto 9999 + endif + trans = 'N' + unitd = 'U' + if (p%iprcparm(n_ovr_) < 0) then + info = 11 + int_err(1) = 1 + int_err(2) = p%iprcparm(n_ovr_) + call psb_errpush(info,name,i_err=int_err) + goto 9999 + endif + + call psb_nullify_sp(blck) + call psb_nullify_sp(atmp) + + t1= mpi_wtime() + + if(debug) write(0,*)me,': calling psb_asmatbld',p%iprcparm(p_type_),p%iprcparm(n_ovr_) + if (debug) call psb_barrier(ictxt) + call psb_asmatbld(p%iprcparm(p_type_),p%iprcparm(n_ovr_),a,& + & blck,desc_a,upd,p%desc_data,info) + if(info/=0) then + info=4010 + ch_err='psb_asmatbld' + call psb_errpush(info,name,a_err=ch_err) + goto 9999 + end if + t2= mpi_wtime() + if (debug) write(0,*)me,': out of psb_asmatbld' + if (debug) call psb_barrier(ictxt) + + if (allocated(p%av)) then + if (size(p%av) < bp_ilu_avsz) then + call psb_errpush(4010,name,a_err='Insufficient av size') + goto 9999 + endif + else + call psb_errpush(4010,name,a_err='AV not associated') + goto 9999 + endif +!!$ call psb_csprt(50+me,a,head='% (A)') + + nrow_a = psb_cd_get_local_rows(desc_a) + nztota = psb_sp_get_nnzeros(a) + nztotb = psb_sp_get_nnzeros(blck) + if (debug) write(0,*)me,': out get_nnzeros',nztota + if (debug) call psb_barrier(ictxt) + + n_col = psb_cd_get_local_cols(desc_a) + nhalo = n_col-nrow_a + n_row = p%desc_data%matrix_data(psb_n_row_) + p%av(l_pr_)%m = n_row + p%av(l_pr_)%k = n_row + p%av(u_pr_)%m = n_row + p%av(u_pr_)%k = n_row + call psb_sp_all(n_row,n_row,p%av(l_pr_),nztota+nztotb,info) + if (info == 0) call psb_sp_all(n_row,n_row,p%av(u_pr_),nztota+nztotb,info) + if(info/=0) then + info=4010 + ch_err='psb_sp_all' + call psb_errpush(info,name,a_err=ch_err) + goto 9999 + end if + + if (allocated(p%d)) then + if (size(p%d) < n_row) then + deallocate(p%d) + endif + endif + if (.not.allocated(p%d)) then + allocate(p%d(n_row),stat=info) + if (info /= 0) then + call psb_errpush(4010,name,a_err='Allocate') + goto 9999 + end if + + endif + + + if (debug) then + write(0,*) me,'Done psb_asmatbld' + call psb_barrier(ictxt) + endif + + + if (p%iprcparm(iren_) > 0) then + + ! + ! Here we allocate a full copy to hold local A and received BLK + ! + + nztota = psb_sp_get_nnzeros(a) + nztotb = psb_sp_get_nnzeros(blck) + call psb_sp_all(atmp,nztota+nztotb,info) + if(info/=0) then + info=4011 + call psb_errpush(info,name) + goto 9999 + end if + + + ! write(0,*) 'ILU_BLD ',nztota,nztotb,a%m + + call psb_sp_renum(a,desc_a,blck,p,atmp,info) + + if(info/=0) then + info=4010 + ch_err='psb_sp_renum' + call psb_errpush(info,name,a_err=ch_err) + goto 9999 + end if + + t3 = mpi_wtime() + if (debugprt) then + call psb_barrier(ictxt) + open(40+me) + call psb_csprt(40+me,atmp,head='% Local matrix') + close(40+me) + endif + if (debug) write(0,*) me,' Factoring rows ',& + &atmp%m,a%m,blck%m,atmp%ia2(atmp%m+1)-1 + + ! + ! Ok, factor the matrix. + ! + t5 = mpi_wtime() + blck%m=0 + call psb_ilu_fct(atmp,p%av(l_pr_),p%av(u_pr_),p%d,info,blck=blck) + if(info/=0) then + info=4010 + ch_err='psb_ilu_fct' + call psb_errpush(info,name,a_err=ch_err) + goto 9999 + end if + + call psb_sp_free(atmp,info) + if(info/=0) then + info=4010 + ch_err='psb_sp_free' + call psb_errpush(info,name,a_err=ch_err) + goto 9999 + end if + + + else if (p%iprcparm(iren_) == 0) then + t3 = mpi_wtime() + ! This is where we have mo renumbering, thus no need + ! for ATMP + + if (debugprt) then + open(40+me) + call psb_barrier(ictxt) + call psb_csprt(40+me,a,iv=p%desc_data%loc_to_glob,& + & head='% Local matrix') + if (p%iprcparm(p_type_)==asm_) then + call psb_csprt(40+me,blck,iv=p%desc_data%loc_to_glob,& + & irs=a%m,head='% Received rows') + endif + close(40+me) + endif + + t5= mpi_wtime() + if (debug) write(0,*) me,' Going for ilu_fct' + if (debug) call psb_barrier(ictxt) + call psb_ilu_fct(a,p%av(l_pr_),p%av(u_pr_),p%d,info,blck=blck) + if(info/=0) then + info=4010 + ch_err='psb_ilu_fct' + call psb_errpush(info,name,a_err=ch_err) + goto 9999 + end if + if (debug) write(0,*) me,' Done dilu_fct' + endif + + + if (debugprt) then + ! + ! Print out the factors on file. + ! + open(80+me) + + call psb_csprt(80+me,p%av(l_pr_),head='% Local L factor') + write(80+me,*) '% Diagonal: ',p%av(l_pr_)%m + do i=1,p%av(l_pr_)%m + write(80+me,*) i,i,p%d(i) + enddo + call psb_csprt(80+me,p%av(u_pr_),head='% Local U factor') + + close(80+me) + endif + +!!$ call psb_csprt(60+me,a,head='% (A)') + + + ! ierr = MPE_Log_event( ifcte, 0, "st SIMPLE" ) + t6 = mpi_wtime() + ! + ! write(0,'(i3,1x,a,3(1x,g18.9))') me,'renum/factor time',t3-t2,t6-t5 + ! if (me==0) write(0,'(a,3(1x,g18.9))') 'renum/factor time',t3-t2,t6-t5 + + call psb_sp_free(blck,info) + if(info/=0) then + info=4010 + ch_err='psb_sp_free' + call psb_errpush(info,name,a_err=ch_err) + goto 9999 + end if + + if (psb_sp_getifld(psb_upd_,p%av(u_pr_),info) /= psb_upd_perm_) then + call psb_sp_trimsize(p%av(u_pr_),i1,i2,ia,info) + if (info == 0) call psb_sp_reall(p%av(u_pr_),i1,i2,ia,info) + endif + + if (psb_sp_getifld(psb_upd_,p%av(l_pr_),info) /= psb_upd_perm_) then + call psb_sp_trimsize(p%av(l_pr_),i1,i2,ia,info) + if (info == 0) call psb_sp_reall(p%av(l_pr_),i1,i2,ia,info) + endif + + + if (debug) write(0,*) me,'End of ilu_bld' + + 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 psb_dilu_bld + +