! ! Parallel Sparse BLAS version 3.5 ! (C) Copyright 2006-2018 ! Salvatore Filippone ! Alfredo Buttari ! ! 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. ! ! program psb_df_sample use psb_base_mod use psb_prec_mod use psb_krylov_mod use psb_util_mod use getp use mpi implicit none ! input parameters character(len=40) :: kmethd, ptype, mtrx_file, rhs_file,renum ! sparse matrices type(psb_dspmat_type) :: a, aux_a ! preconditioner data type(psb_dprec_type) :: prec ! dense matrices real(psb_dpk_), allocatable, target :: aux_b(:,:), d(:) real(psb_dpk_), allocatable , save :: x_col_glob(:), r_col_glob(:) real(psb_dpk_), pointer :: b_col_glob(:) type(psb_d_vect_type) :: b_col, x_col, r_col ! communications data structure type(psb_desc_type):: desc_a integer(psb_ipk_) :: ictxt, me, np ! solver paramters integer(psb_ipk_) :: iter, itmax, ierr, itrace, ircode,& & methd, istopc, irst integer(psb_epk_) :: amatsize, precsize, descsize real(psb_dpk_) :: err, eps, cond character(len=5) :: afmt character(len=20) :: name, part character(len=2) :: filefmt integer(psb_ipk_), parameter :: iunit=12 integer(psb_ipk_) :: iparm(20) ! other variables integer(psb_ipk_) :: i,info,j,m_problem, err_act integer(psb_ipk_) :: internal, m,ii,nnzero real(psb_dpk_) :: t1, t2, tprec, t_low, t_high, request_create_mean, request_create_sum real(psb_dpk_) :: r_amax, b_amax, scale,resmx,resmxp integer(psb_ipk_) :: nrhs, nrow, n_row, dim, ne, nv, ncol integer(psb_ipk_), allocatable :: ivg(:), perm(:) integer(psb_ipk_), allocatable :: ipv(:) character(len=40) :: fname, fnout ! persistant communication integer(psb_lpk_), allocatable :: iv(:) real(psb_dpk_), allocatable :: xa(:) integer(psb_ipk_) :: num_iterations, num_neighbors, & min_neighbors, max_neighbors, & sum_neighbors integer(psb_ipk_) :: sum_snd, min_snd, max_snd, num_snd, tot_snd, sum_tot_snd integer(psb_ipk_) :: sum_rcv, min_rcv, max_rcv, num_rcv, tot_rcv, sum_tot_rcv real(psb_spk_) :: ave_neighbors, ave_snd_buf, ave_rcv_buf, ave_tot_snd, ave_tot_rcv real(psb_dpk_) :: alltoall_comm_t, ave_alltoall_comm_t real(psb_spk_) :: ave_snd, ave_rcv integer(psb_ipk_) :: swap_mode call psb_init(ictxt) call psb_info(ictxt,me,np) if (me < 0) then ! This should not happen, but just in case call psb_exit(ictxt) stop endif name='psb_df_sample' if(psb_errstatus_fatal()) goto 9999 info=psb_success_ call psb_set_errverbosity(itwo) ! ! Hello world ! if (me == psb_root_) then write(*,*) 'Welcome to PSBLAS version: ',psb_version_string_ write(*,*) 'This is the ',trim(name),' sample program' end if ! ! get parameters ! call get_parms(ictxt,mtrx_file,rhs_file,filefmt,kmethd,ptype,& & part,afmt,istopc,itmax,itrace,irst,eps) call psb_barrier(ictxt) t1 = psb_wtime() ! read the input matrix to be processed and (possibly) the rhs nrhs = 1 if (me == psb_root_) then select case(psb_toupper(filefmt)) case('MM') ! For Matrix Market we have an input file for the matrix ! and an (optional) second file for the RHS. call mm_mat_read(aux_a,info,iunit=iunit,filename=mtrx_file) if (info == psb_success_) then if (rhs_file /= 'NONE') then call mm_array_read(aux_b,info,iunit=iunit,filename=rhs_file) end if end if case ('HB') ! For Harwell-Boeing we have a single file which may or may not ! contain an RHS. call hb_read(aux_a,info,iunit=iunit,b=aux_b,filename=mtrx_file) case default info = -1 write(psb_err_unit,*) 'Wrong choice for fileformat ', filefmt end select if (info /= psb_success_) then write(psb_err_unit,*) 'Error while reading input matrix ' call psb_abort(ictxt) end if m_problem = aux_a%get_nrows() call psb_bcast(ictxt,m_problem) call psb_mat_renum(psb_mat_renum_identity_,aux_a,info,perm) ! At this point aux_b may still be unallocated if (size(aux_b,dim=1) == m_problem) then ! if any rhs were present, broadcast the first one write(psb_err_unit,'("Ok, got an rhs ")') b_col_glob =>aux_b(:,1) call psb_gelp('N',perm(1:m_problem),& & b_col_glob(1:m_problem),info) else write(psb_out_unit,'("Generating an rhs...")') write(psb_out_unit,'(" ")') call psb_realloc(m_problem,1,aux_b,ircode) if (ircode /= 0) then call psb_errpush(psb_err_alloc_dealloc_,name) goto 9999 endif b_col_glob => aux_b(:,1) do i=1, m_problem b_col_glob(i) = done enddo endif else call psb_bcast(ictxt,m_problem) end if ! switch over different partition types select case(psb_toupper(part)) case('BLOCK') if (me == psb_root_) write(psb_out_unit,'("Partition type: block")') call psb_matdist(aux_a, a, ictxt,desc_a,info,fmt=afmt,parts=part_block) ! call desc_a%cd_get_list ! call desc_a%cd_v_get_list ! print *, "desc_a%v_halo_index", desc_a%v_get_list() case('GRAPH') if (me == psb_root_) then write(psb_out_unit,'("Partition type: graph vector")') write(psb_out_unit,'(" ")') ! write(psb_err_unit,'("Build type: graph")') call build_mtpart(aux_a,np) endif call psb_barrier(ictxt) call distr_mtpart(psb_root_,ictxt) call getv_mtpart(ivg) call psb_matdist(aux_a, a, ictxt,desc_a,info,fmt=afmt,v=ivg) case default if (me == psb_root_) write(psb_out_unit,'("Partition type: block")') call psb_matdist(aux_a, a, ictxt,desc_a,info,fmt=afmt,parts=part_block) end select ! call psb_scatter(b_col_glob,b_col,desc_a,info,root=psb_root_) call psb_geall(x_col,desc_a,info) call x_col%zero() ! change to mpi rank? Artless ! nrow=desc_a%get_local_rows() ! number of rows ncol=desc_a%get_local_cols() ! number of columns iv = [ (i,i=1,ncol)] ! call psb_loc_to_glob(iv,desc_a,info) ! call desc_a%l2gv1(iv,info) xa = iv ! call desc_a%locgv1(iv,info) ! ---- test where halo regions are set to -1, sending 10+me ! xa(nrow+1:ncol) = -1 ! (10 + me) * -1 ! ! call MPI_Barrier(MPI_COMM_WORLD, ierr) ! ! do i=0,np ! ! if (me .eq. i) then ! ! print *, "=======================" ! ! print *, "me = ", me, "iv =" ! ! print '(225 I4)', iv ! ! print *, "-----------------------" ! ! end if ! ! call MPI_Barrier(MPI_COMM_WORLD, ierr) ! ! end do ! ! call MPI_Barrier(MPI_COMM_WORLD, ierr) ! ! call MPI_Barrier(MPI_COMM_WORLD, ierr) ! ! do i=0,np ! ! if (me .eq. i) then ! ! print *, "=======================" ! ! print *, "me = ", me, "xa =" ! ! print '(225 F4.0)', xa ! ! print *, "-----------------------" ! ! end if ! ! call MPI_Barrier(MPI_COMM_WORLD, ierr) ! ! end do ! ! call MPI_Barrier(MPI_COMM_WORLD, ierr) ! call x_col%set_vect(xa) ! call MPI_Barrier(MPI_COMM_WORLD, ierr) ! call psb_halo(x_col,desc_a,info,mode=psb_swap_persistent_) ! xa = x_col%get_vect() ! do i=nrow+1,ncol ! if (xa(i) /= iv(i)) then ! ha ! write(0,*) me, ': MISMATCH i=',i,"xa(i)=",xa(i),"iv(i)",iv(i) ! ! goto 9999 ! end if ! end do num_iterations = ITERATIONS swap_mode = psb_swap_persistent_ ! swap_mode = psb_swap_nonpersistent_ do iter = 1, num_iterations xa = iv xa(nrow+1:ncol) = -1 call x_col%set_vect(xa) call psb_halo(x_col,desc_a,info,mode=swap_mode) xa = x_col%get_vect() do i=nrow+1,ncol if (xa(i) /= iv(i)) then ! ha write(0,*) me, ': MISMATCH i=',i,"xa(i)=",xa(i),"iv(i)",iv(i) goto 9999 end if end do end do ! call MPI_Barrier(MPI_COMM_WORLD, ierr) ! do i=0,np ! if (me .eq. i) then ! print *, "=======================" ! print *, "me = ", me, " xa after halo" ! print '(225 F4.0)', xa ! print *, "me = ", me, " iv after halo" ! print '(225 I4)', iv ! print *, "-----------------------" ! end if ! call MPI_Barrier(MPI_COMM_WORLD, ierr) ! end do ! call MPI_Barrier(MPI_COMM_WORLD, ierr) ! goto 9999 call MPI_Barrier(MPI_COMM_WORLD, ierr) call flush(output_unit) call MPI_Barrier(MPI_COMM_WORLD, ierr) if (allocated(x_col%v)) then if (swap_mode .eq. psb_swap_persistent_) then ! collect p and nonp alltoall communication time call MPI_Reduce(x_col%v%p%alltoall_comm_time, alltoall_comm_t, 1, & MPI_DOUBLE_PRECISION, MPI_SUM, psb_root_, MPI_COMM_WORLD, ierr) ! collect MPIX request initialization time call MPI_Reduce(x_col%v%p%request_create_time, request_create_sum, 1, MPI_DOUBLE_PRECISION, MPI_SUM, & psb_root_, MPI_COMM_WORLD, ierr) end if ! collect min, max, and average snd/rcv elements tot_snd = sum(x_col%v%p%snd_counts) call MPI_Reduce(tot_snd, sum_tot_snd, 1, MPI_INTEGER, MPI_SUM, & psb_root_, MPI_COMM_WORLD, ierr) ave_tot_snd = sum_tot_snd / np ave_snd = real(tot_snd) / real(x_col%v%p%snd_count) call MPI_Reduce(ave_snd, ave_snd_buf, 1, MPI_REAL, & MPI_SUM, psb_root_, MPI_COMM_WORLD, ierr) ave_snd_buf = ave_snd_buf / np call MPI_Reduce(minval(x_col%v%p%snd_counts), min_snd, 1, MPI_INTEGER, MPI_MIN, & psb_root_, MPI_COMM_WORLD, ierr) call MPI_Reduce(maxval(x_col%v%p%snd_counts), max_snd, 1, MPI_INTEGER, MPI_MAX, & psb_root_, MPI_COMM_WORLD, ierr) ! collect min, max, and average rcv elements tot_rcv = sum(x_col%v%p%rcv_counts) call MPI_Reduce(tot_rcv, sum_tot_rcv, 1, MPI_INTEGER, MPI_SUM, & psb_root_, MPI_COMM_WORLD, ierr) ave_tot_rcv = sum_tot_rcv / np ave_rcv = real(tot_rcv) / real(x_col%v%p%rcv_count) call MPI_Reduce(ave_rcv, ave_rcv_buf, 1, MPI_REAL, & MPI_SUM, psb_root_, MPI_COMM_WORLD, ierr) ave_rcv_buf = ave_rcv_buf / np call MPI_Reduce(minval(x_col%v%p%rcv_counts), min_rcv, 1, MPI_INTEGER, MPI_MIN, & psb_root_, MPI_COMM_WORLD, ierr) call MPI_Reduce(maxval(x_col%v%p%rcv_counts), max_rcv, 1, MPI_INTEGER, MPI_MAX, & psb_root_, MPI_COMM_WORLD, ierr) ! collect min, max, and average number of neighbors num_neighbors = size(x_col%v%p%snd_to, dim=1) call MPI_Reduce(num_neighbors, sum_neighbors, 1, MPI_INTEGER, MPI_SUM, & psb_root_, MPI_COMM_WORLD, ierr) ave_neighbors = REAL(sum_neighbors) / np call MPI_Reduce(num_neighbors, min_neighbors, 1, MPI_INTEGER, MPI_MIN, & psb_root_, MPI_COMM_WORLD, ierr) call MPI_Reduce(num_neighbors, max_neighbors, 1, MPI_INTEGER, MPI_MAX, & psb_root_, MPI_COMM_WORLD, ierr) if (me == psb_root_) then open(1,file='halo_persistant_output.txt', status='new') ! write(1,*) "flt type max_buf[B] visits time[s] time[%] time/visit[us] region" ! write(1,*) "" ! converting microseconds ave_alltoall_comm_t = alltoall_comm_t / num_iterations if (swap_mode .eq. psb_swap_persistent_) then request_create_mean = (request_create_sum / np) * 1000000 request_create_sum = request_create_sum * 1000000 else if (swap_mode .eq. psb_swap_nonpersistent_) then request_create_mean = -1.0 request_create_sum = -1.0 end if ! write(1,*, advance='no') 37 65 73 64 write(1,'(A)',advance='no') "np;num_iterations;swap_mode;" write(1,'(A)',advance='no') "alltoall_comm_t;ave_alltoall_comm_t;" write(1,'(A)',advance='no') "request_create_mean; etc etc" write(1,*) write(1,*) "------" write(1,'(I5 A1)',advance='no') np, ';' write(1,'(I6 A1)',advance='no') num_iterations, ';' write(1,'(I5 A1)' ,advance='no') swap_mode, ';' write(1,'(F9.2 A1)',advance='no') alltoall_comm_t, ';' write(1,'(F9.2 A1)',advance='no') ave_alltoall_comm_t, ';' write(1,'(F9.2 A1)',advance='no') request_create_mean, ';' write(1,'(F9.2 A1)',advance='no') request_create_sum, ';' write(1,'(F9.2 A1)',advance='no') ave_neighbors, ';' write(1,'(I5 A1)' ,advance='no') min_neighbors, ';' write(1,'(I5 A1)' ,advance='no') max_neighbors, ';' write(1,'(F9.2 A1)',advance='no') ave_tot_snd, ';' write(1,'(F9.2 A1)',advance='no') ave_tot_rcv, ';' write(1,'(F9.2 A1)',advance='no') ave_snd_buf, ';' write(1,'(F9.2 A1)',advance='no') ave_rcv_buf, ';' write(1,'(I5 A1)',advance='no') max_snd, ';' write(1,'(I5 A1)',advance='no') max_rcv, ';' write(1,'(I5 A1)',advance='no') min_snd, ';' write(1,'(I5 A1)',advance='no') min_rcv, ';' ! write(1,'(F9.2 A1)',advance='no') , ';' ! write(1,'(I5 A1)',advance='no') , ';' write(1,'()') ! ---- need to write buffer size, min and average and max snd/rcv elements ! write(1,()) ! ---- need to write buffer size, min and average and max neighbors end if end if call flush(output_unit) call MPI_Barrier(MPI_COMM_WORLD, ierr) if (me == psb_root_) then print *, "did halo communication", num_iterations, "times" end if 998 format(i8,4(2x,g20.14)) 993 format(i6,4(1x,e12.6)) ! print *, "* calling free funcs" ! call psb_gefree(b_col, desc_a,info) call psb_gefree(x_col, desc_a,info) call psb_spfree(a, desc_a,info) call prec%free(info) call psb_cdfree(desc_a,info) call psb_exit(ictxt) if (me .eq. 0) then print *, "--HALO TEST FIN--" end if stop 9999 call psb_error(ictxt) stop end program psb_df_sample