!!$ !!$ !!$ 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 mld_zaggrmat_raw_asb(a,desc_a,ac,desc_ac,p,info) use psb_base_mod use mld_prec_mod, mld_protect_name => mld_zaggrmat_raw_asb #ifdef MPI_MOD use mpi #endif implicit none #ifdef MPI_H include 'mpif.h' #endif type(psb_zspmat_type), intent(in), target :: a type(mld_zbaseprc_type), intent(inout),target :: p type(psb_zspmat_type), intent(inout), target :: ac type(psb_desc_type), intent(in) :: desc_a type(psb_desc_type), intent(inout) :: desc_ac integer, intent(out) :: info logical, parameter :: aggr_dump=.false. integer ::ictxt,np,me, err_act,icomm character(len=20) :: name, ch_err type(psb_zspmat_type) :: b integer, pointer :: nzbr(:), idisp(:) integer :: nrow, nglob, ncol, ntaggr, nzac, ip, ndx,& & naggr, nzt,jl,nzl,nlr, naggrm1, i, j, k name='mld_aggrmat_raw_asb' if(psb_get_errstatus().ne.0) return info=0 call psb_erractionsave(err_act) call psb_nullify_sp(b) ictxt = psb_cd_get_context(desc_a) icomm = psb_cd_get_mpic(desc_a) call psb_info(ictxt, me, np) nglob = psb_cd_get_global_rows(desc_a) nrow = psb_cd_get_local_rows(desc_a) ncol = psb_cd_get_local_cols(desc_a) naggr = p%nlaggr(me+1) ntaggr = sum(p%nlaggr) allocate(nzbr(np), idisp(np),stat=info) if (info /= 0) then info=4025 call psb_errpush(info,name,i_err=(/2*np,0,0,0,0/),& & a_err='integer') goto 9999 end if naggrm1=sum(p%nlaggr(1:me)) if (p%iprcparm(coarse_mat_) == repl_mat_) then do i=1, nrow p%mlia(i) = p%mlia(i) + naggrm1 end do call psb_halo(p%mlia,desc_a,info) end if if(info /= 0) then call psb_errpush(4010,name,a_err='psb_halo') goto 9999 end if call psb_sp_clip(a,b,info,jmax=nrow) if(info /= 0) then call psb_errpush(4010,name,a_err='spclip') goto 9999 end if ! Out from sp_clip is always in COO, but just in case.. if (tolower(b%fida) /= 'coo') then call psb_errpush(4010,name,a_err='spclip NOT COO') goto 9999 end if nzt = psb_sp_get_nnzeros(b) do i=1, nzt b%ia1(i) = p%mlia(b%ia1(i)) b%ia2(i) = p%mlia(b%ia2(i)) enddo b%m = naggr b%k = naggr ! This is to minimize data exchange call psb_spcnv(b,info,afmt='coo',dupl=psb_dupl_add_) if (p%iprcparm(coarse_mat_) == repl_mat_) then call psb_cdrep(ntaggr,ictxt,desc_ac,info) if(info /= 0) then call psb_errpush(4010,name,a_err='psb_cdrep') goto 9999 end if nzbr(:) = 0 nzbr(me+1) = nzt call psb_sum(ictxt,nzbr(1:np)) nzac = sum(nzbr) call psb_sp_all(ntaggr,ntaggr,ac,nzac,info) if(info /= 0) then call psb_errpush(4010,name,a_err='sp_all') goto 9999 end if do ip=1,np idisp(ip) = sum(nzbr(1:ip-1)) enddo ndx = nzbr(me+1) call mpi_allgatherv(b%aspk,ndx,mpi_double_complex,ac%aspk,nzbr,idisp,& & mpi_double_complex,icomm,info) call mpi_allgatherv(b%ia1,ndx,mpi_integer,ac%ia1,nzbr,idisp,& & mpi_integer,icomm,info) call mpi_allgatherv(b%ia2,ndx,mpi_integer,ac%ia2,nzbr,idisp,& & mpi_integer,icomm,info) if(info /= 0) then info=-1 call psb_errpush(info,name) goto 9999 end if ac%m = ntaggr ac%k = ntaggr ac%infoa(psb_nnz_) = nzac ac%fida='COO' ac%descra='G' call psb_spcnv(ac,info,afmt='coo',dupl=psb_dupl_add_) if(info /= 0) then call psb_errpush(4010,name,a_err='sp_free') goto 9999 end if else if (p%iprcparm(coarse_mat_) == distr_mat_) then call psb_cdall(ictxt,desc_ac,info,nl=naggr) if(info /= 0) then call psb_errpush(4010,name,a_err='psb_cdall') goto 9999 end if call psb_cdasb(desc_ac,info) if(info /= 0) then call psb_errpush(4010,name,a_err='psb_cdasb') goto 9999 end if call psb_sp_clone(b,ac,info) if(info /= 0) then call psb_errpush(4010,name,a_err='spclone') goto 9999 end if call psb_sp_free(b,info) if(info /= 0) then call psb_errpush(4010,name,a_err='sp_free') goto 9999 end if else write(0,*) 'Unknown p%iprcparm(coarse_mat) in aggregate_sp',p%iprcparm(coarse_mat_) end if deallocate(nzbr,idisp) call psb_spcnv(ac,info,afmt='csr',dupl=psb_dupl_add_) if(info /= 0) then call psb_errpush(4010,name,a_err='ipcoo2csr') goto 9999 end if call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act.eq.psb_act_abort_) then call psb_error() return end if return end subroutine mld_zaggrmat_raw_asb