!!$ !!$ Parallel Sparse BLAS v2.0 !!$ (C) Copyright 2006 Salvatore Filippone University of Rome Tor Vergata !!$ Alfredo Buttari University of Rome Tor Vergata !!$ !!$ 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 PSBLAS 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 PSBLAS 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: psb_zsphalo.f90 ! !***************************************************************************** !* * !* This routine does the retrieval of remote matrix rows. * !* Note that retrieval is done through GTBLK, therefore it should work * !* for any format. * !* Currently the output is BLK%FIDA='CSR' but it would take little * !* work to change that; the pieces are transferred in COO format * !* thus we would only need a DCSDP at the end to exit in whatever format * !* is needed. * !* But I'm feeling soooooo lazy today...... * !* * !* * !* * !* * !***************************************************************************** Subroutine psb_zsphalo(a,desc_a,blk,info,rwcnv,clcnv,cliprow,outfmt,data) use psb_const_mod use psb_serial_mod use psb_descriptor_type use psb_realloc_mod use psb_tools_mod, psb_protect_name => psb_zsphalo use psb_error_mod use psb_penv_mod #ifdef MPI_MOD use mpi #endif Implicit None #ifdef MPI_H include 'mpif.h' #endif Type(psb_zspmat_type),Intent(in) :: a Type(psb_zspmat_type),Intent(inout) :: blk Type(psb_desc_type),Intent(in), target :: desc_a integer, intent(out) :: info logical, optional, intent(in) :: rwcnv,clcnv,cliprow character(len=5), optional :: outfmt integer, intent(in), optional :: data ! ...local scalars.... Integer :: np,me,counter,proc,i, & & n_el_send,k,n_el_recv,ictxt, idx, r, tot_elem,& & n_elem, j, ipx,mat_recv, iszs, iszr,idxs,idxr,nz,& & nrmin,data_,ngtz Integer :: l1, icomm, err_act Integer, allocatable :: sdid(:,:), brvindx(:),rvid(:,:), & & rvsz(:), bsdindx(:),sdsz(:), iasnd(:), jasnd(:) complex(kind(1.d0)), allocatable :: valsnd(:) integer, pointer :: idxv(:) logical :: rwcnv_,clcnv_,cliprow_ character(len=5) :: outfmt_ Logical,Parameter :: debug=.false., debugprt=.false. real(kind(1.d0)) :: t1,t2,t3,t4,t5,t6,t7,t8,t9 character(len=20) :: name, ch_err if(psb_get_errstatus() /= 0) return info=0 name='psb_zsphalo' call psb_erractionsave(err_act) if(debug) write(0,*)'Inside DSPHALO' if (present(rwcnv)) then rwcnv_ = rwcnv else rwcnv_ = .true. endif if (present(clcnv)) then clcnv_ = clcnv else clcnv_ = .true. endif if (present(cliprow)) then cliprow_ = cliprow else cliprow_ = .false. endif if (present(data)) then data_ = data else data_ = psb_comm_halo_ endif if (present(outfmt)) then outfmt_ = toupper(outfmt) else outfmt_ = 'CSR' endif ictxt = psb_cd_get_context(desc_a) icomm = psb_cd_get_mpic(desc_a) Call psb_info(ictxt, me, np) t1 = psb_wtime() Allocate(sdid(np,3),rvid(np,3),brvindx(np+1),& & rvsz(np),sdsz(np),bsdindx(np+1),stat=info) if (info /= 0) then info=4000 call psb_errpush(info,name) goto 9999 end if If (debug) Write(0,*)'dsphalo',me select case(data_) case(psb_comm_halo_) idxv => desc_a%halo_index case(psb_comm_ovr_) idxv => desc_a%ovrlap_index case(psb_comm_ext_) idxv => desc_a%ext_index case default call psb_errpush(4010,name,a_err='wrong Data selector') goto 9999 end select l1 = 0 sdsz(:)=0 rvsz(:)=0 ipx = 1 brvindx(ipx) = 0 bsdindx(ipx) = 0 counter=1 idx = 0 idxs = 0 idxr = 0 blk%k = a%k blk%m = 0 ! For all rows in the halo descriptor, extract and send/receive. Do proc=idxv(counter) if (proc == -1) exit n_el_recv = idxv(counter+psb_n_elem_recv_) counter = counter+n_el_recv n_el_send = idxv(counter+psb_n_elem_send_) tot_elem = 0 Do j=0,n_el_send-1 idx = idxv(counter+psb_elem_send_+j) n_elem = psb_sp_get_nnz_row(idx,a) tot_elem = tot_elem+n_elem Enddo sdsz(proc+1) = tot_elem blk%m = blk%m + n_el_recv counter = counter+n_el_send+3 Enddo call mpi_alltoall(sdsz,1,mpi_integer,rvsz,1,mpi_integer,icomm,info) if (info /= 0) then info=4010 ch_err='mpi_alltoall' call psb_errpush(info,name,a_err=ch_err) goto 9999 end if idxs = 0 idxr = 0 counter = 1 Do proc=idxv(counter) if (proc == -1) exit n_el_recv = idxv(counter+psb_n_elem_recv_) counter = counter+n_el_recv n_el_send = idxv(counter+psb_n_elem_send_) bsdindx(proc+1) = idxs idxs = idxs + sdsz(proc+1) brvindx(proc+1) = idxr idxr = idxr + rvsz(proc+1) counter = counter+n_el_send+3 Enddo iszr=sum(rvsz) call psb_sp_reall(blk,max(iszr,1),info) if(debug) write(0,*)me,'SPHALO Sizes:',size(blk%ia1),size(blk%ia2) if (info /= 0) then info=4010 ch_err='psb_sp_reall' call psb_errpush(info,name,a_err=ch_err) goto 9999 end if mat_recv = iszr iszs=sum(sdsz) call psb_ensure_size(max(iszs,1),iasnd,info) if (info == 0) call psb_ensure_size(max(iszs,1),jasnd,info) if (info == 0) call psb_ensure_size(max(iszs,1),valsnd,info) if (debugprt) then open(20+me) do i=1, psb_cd_get_local_cols(desc_a) write(20+me,*) i,desc_a%loc_to_glob(i) end do close(20+me) end if t2 = psb_wtime() l1 = 0 ipx = 1 counter=1 idx = 0 tot_elem=0 Do proc=idxv(counter) if (proc == -1) exit n_el_recv=idxv(counter+psb_n_elem_recv_) counter=counter+n_el_recv n_el_send=idxv(counter+psb_n_elem_send_) Do j=0,n_el_send-1 idx = idxv(counter+psb_elem_send_+j) n_elem = psb_sp_get_nnz_row(idx,a) call psb_sp_getrow(idx,a,ngtz,iasnd,jasnd,valsnd,info,& & append=.true.,nzin=tot_elem) if (info /= 0) then info=4010 ch_err='psb_sp_getrow' call psb_errpush(info,name,a_err=ch_err) goto 9999 end if tot_elem=tot_elem+n_elem Enddo ipx = ipx + 1 counter = counter+n_el_send+3 Enddo nz = tot_elem if (rwcnv_) call psb_loc_to_glob(iasnd(1:nz),desc_a,info,iact='I') if (clcnv_) call psb_loc_to_glob(jasnd(1:nz),desc_a,info,iact='I') if (info /= 0) then info=4010 ch_err='psb_loc_to_glob' call psb_errpush(info,name,a_err=ch_err) goto 9999 end if call mpi_alltoallv(valsnd,sdsz,bsdindx,mpi_double_complex,& & blk%aspk,rvsz,brvindx,mpi_double_complex,icomm,info) call mpi_alltoallv(iasnd,sdsz,bsdindx,mpi_integer,& & blk%ia1,rvsz,brvindx,mpi_integer,icomm,info) call mpi_alltoallv(jasnd,sdsz,bsdindx,mpi_integer,& & blk%ia2,rvsz,brvindx,mpi_integer,icomm,info) if (info /= 0) then info=4010 ch_err='mpi_alltoallv' call psb_errpush(info,name,a_err=ch_err) goto 9999 end if t3 = psb_wtime() ! ! Convert into local numbering ! if (rwcnv_) call psb_glob_to_loc(blk%ia1(1:iszr),desc_a,info,iact='I',owned=cliprow_) if (clcnv_) call psb_glob_to_loc(blk%ia2(1:iszr),desc_a,info,iact='I') if (info /= 0) then info=4010 ch_err='psbglob_to_loc' call psb_errpush(info,name,a_err=ch_err) goto 9999 end if if (debugprt) then blk%fida='COO' blk%infoa(psb_nnz_)=iszr open(40+me) call psb_csprt(40+me,blk,head='% SPHALO border .') close(40+me) end if l1 = 0 blk%m=0 nrmin=max(0,a%m) Do i=1,iszr !!$ write(0,*) work5(i),work6(i) r=(blk%ia1(i)) k=(blk%ia2(i)) If ((r>nrmin).and.(k>0)) Then l1=l1+1 blk%aspk(l1) = blk%aspk(i) blk%ia1(l1) = r blk%ia2(l1) = k blk%k = max(blk%k,k) blk%m = max(blk%m,r) End If Enddo blk%fida='COO' blk%infoa(psb_nnz_)=l1 blk%m = blk%m - a%m if (debugprt) then open(50+me) call psb_csprt(50+me,blk,head='% SPHALO border .') close(50+me) call psb_barrier(ictxt) end if t4 = psb_wtime() if(debug) Write(0,*)me,'End first loop',counter,l1,blk%m ! ! Combined sort & conversion to CSR. ! if(debug) write(0,*) me,'Calling ipcoo2csr from dsphalo ',blk%m,blk%k,l1,blk%ia2(2) select case(outfmt_) case ('CSR') call psb_ipcoo2csr(blk,info,rwshr=.true.) if (info /= 0) then info=4010 ch_err='psb_ipcoo2csr' call psb_errpush(info,name,a_err=ch_err) goto 9999 end if case('COO') ! Do nothing! case default write(0,*) 'Error in DSPHALO : invalid outfmt "',outfmt_,'"' info=4010 ch_err='Bad outfmt' call psb_errpush(info,name,a_err=ch_err) goto 9999 end select t5 = psb_wtime() !!$ write(0,'(i3,1x,a,4(1x,i14))') me,'DSPHALO sizes:',iszr,iszs !!$ write(0,'(i3,1x,a,4(1x,g14.5))') me,'DSPHALO timings:',t6-t2,t7-t6,t8-t7,t3-t8 !!$ write(0,'(i3,1x,a,4(1x,g14.5))') me,'DSPHALO timings:',t2-t1,t3-t2,t4-t3,t5-t4 Deallocate(sdid,brvindx,rvid,bsdindx,rvsz,sdsz,& & iasnd,jasnd,valsnd,stat=info) call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error(ictxt) return end if return End Subroutine psb_zsphalo