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645 lines
21 KiB
Fortran
645 lines
21 KiB
Fortran
program df_bench
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use psb_base_mod
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use psb_util_mod
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use mld_prec_mod
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use psb_krylov_mod
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implicit none
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! input parameters
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character(len=20) :: kmethd
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character(len=80) :: outf1, outf2, outf3
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character(len=20), allocatable :: mtrx(:),rhs(:)
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type precdata
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character(len=10) :: lv1, lv2 ! First and second level prec type
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integer :: nlev !
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integer :: novr ! number of overlapping levels
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integer :: restr ! restriction over application of as
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integer :: prol ! prolongation over application of as
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integer :: ftype1 ! Factorization type: ILU, SuperLU, UMFPACK.
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integer :: fill1 ! Fill-in for factorization 1
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real(psb_dpk_) :: thr1 ! Threshold for fact. 1 ILU(T)
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integer :: mltype ! additive or multiplicative 2nd level prec
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integer :: aggr ! local or global aggregation
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integer :: smthkind ! smoothing type
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integer :: cmat ! coarse mat
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integer :: smthpos ! pre, post, both smoothing
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integer :: glbsmth ! global smoothing
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integer :: ftype2 ! Factorization type: ILU, SuperLU, UMFPACK.
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integer :: fill2 ! Fill-in for factorization 1
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real(psb_dpk_) :: thr2 ! Threshold for fact. 1 ILU(T)
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integer :: jswp ! Jacobi sweeps
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real(psb_dpk_) :: omega ! smoother omega
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real(psb_dpk_) :: athres ! smoother aggregation
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character(len=40) :: descr ! verbose description of the prec
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end type precdata
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type(precdata), allocatable :: precs(:)
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! sparse matrices
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type(psb_dspmat_type) :: a, aux_a
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! preconditioner data
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type(mld_dprec_type) :: pre
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integer :: igsmth, matop, novr
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! dense matrices
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real(psb_dpk_), allocatable, target :: aux_b(:,:), d(:)
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real(psb_dpk_), allocatable , save :: b_col(:), x_col(:), r_col(:), &
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& x_col_glob(:), r_col_glob(:)
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real(psb_dpk_), pointer :: b_col_glob(:)
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! communications data structure
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type(psb_desc_type):: desc_a
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! blacs variables
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integer :: ictxt, iam, np
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logical :: out1, out2
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! solver paramters
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integer :: iter, itmax, ierr, itrace, ircode, ipart,nlev,&
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& methd, istopc, iprec, ml, irnum, irst, ntry, nmat, ilev,ipsize,asize,cdsize
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real(psb_dpk_) :: err, eps
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character(len=5) :: afmt
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character(len=20) :: name
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integer :: iparm(20)
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! other variables
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integer :: i,info,j,m_problem, nm, nt
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integer :: internal, m,ii,nnzero, nprecs, pp
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real(psb_dpk_) :: t1, t2, tprec, r_amax, b_amax,&
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&scale,resmx,resmxp, mttot, mtslv, mtprec
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integer :: nrhs, nrow, n_row, dim, nv, ne
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integer, allocatable :: ipv(:), neigh(:), ivg(:)
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call psb_init(ictxt)
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call psb_info(ictxt,iam,np)
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if (iam < 0) then
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! This should not happen, but just in case
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call psb_exit(ictxt)
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stop
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endif
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name='df_bench'
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if(psb_get_errstatus() /= 0) goto 9999
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info=0
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call psb_set_errverbosity(2)
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!
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! get parameters
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!
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call get_parms(ictxt,irst,irnum,ntry,nmat,mtrx,rhs,kmethd,nprecs,precs,&
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& ipart,afmt,istopc,itmax,itrace,eps,outf1,outf2)
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if(iam == psb_root_) then
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if(outf1 /= 'NONE') then
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open(8,file=outf1,action='write')
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out1=.true.
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else
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out1=.false.
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end if
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if(outf2 /= 'NONE') then
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open(10,file=outf2,action='write')
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out2=.true.
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else
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out2=.false.
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end if
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end if
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do nm=1, nmat
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if(iam == psb_root_) write(*,'(25("=")," ",a20," ",25("="))')mtrx(nm)
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call psb_barrier(ictxt)
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t1 = psb_wtime()
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! read the input matrix to be processed and (possibly) the rhs
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nrhs = 1
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if (iam == psb_root_) then
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call read_mat(mtrx(nm), aux_a, ictxt)
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m_problem = aux_a%m
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call psb_bcast(ictxt,m_problem,psb_root_)
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if(rhs(nm) /= 'none') then
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! reading an rhs
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call read_rhs(rhs(nm),aux_b,ictxt)
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end if
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if (allocated(aux_b).and.size(aux_b,1)==m_problem) then
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! if any rhs were present, broadcast the first one
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b_col_glob =>aux_b(:,1)
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else
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allocate(aux_b(m_problem,1), stat=ircode)
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if (ircode /= 0) then
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call psb_errpush(4000,name)
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goto 9999
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endif
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b_col_glob => aux_b(:,1)
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do i=1, m_problem
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b_col_glob(i) = 1.d0
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enddo
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endif
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call psb_bcast(ictxt,b_col_glob(1:m_problem),psb_root_)
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else
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call psb_bcast(ictxt,m_problem,psb_root_)
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allocate(aux_b(m_problem,1), stat=ircode)
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if (ircode /= 0) then
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call psb_errpush(4000,name)
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goto 9999
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endif
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b_col_glob =>aux_b(:,1)
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call psb_bcast(ictxt,b_col_glob(1:m_problem),psb_root_)
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end if
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! switch over different partition types
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if (ipart == 0) then
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call psb_barrier(ictxt)
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! if (iam == psb_root_) write(*,'("Partition type: block")')
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allocate(ivg(m_problem),ipv(np))
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if (.true.) then
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do i=1,m_problem
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call part_block(i,m_problem,np,ipv,nv)
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ivg(i) = ipv(1)
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enddo
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call psb_matdist(aux_a, a, ivg, ictxt, &
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& desc_a,b_col_glob,b_col,info,fmt=afmt)
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else
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call psb_matdist(aux_a, a, part_block, ictxt, &
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& desc_a,b_col_glob,b_col,info,fmt=afmt)
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end if
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else if (ipart == 2) then
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if (iam == psb_root_) then
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call build_mtpart(aux_a%m,aux_a%fida,aux_a%ia1,aux_a%ia2,np)
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endif
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call psb_barrier(ictxt)
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call distr_mtpart(0,ictxt)
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call getv_mtpart(ivg)
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call psb_matdist(aux_a, a, ivg, ictxt, &
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& desc_a,b_col_glob,b_col,info,fmt=afmt)
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call free_part(info)
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else
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call psb_matdist(aux_a, a, part_block, ictxt, &
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& desc_a,b_col_glob,b_col,info,fmt=afmt)
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end if
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!!$ open(20+iam)
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!!$ call psb_cdprt(20+iam,desc_a,short=.false.)
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!!$ close(20+iam)
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!!$ write(0,*) iam,'After CDPRT '
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!!$ call flush(0)
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!!$ call flush(6)
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!!$ call psb_barrier(ictxt)
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call psb_geall(x_col,desc_a,info)
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x_col(:) =0.0
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call psb_geasb(x_col,desc_a,info)
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call psb_geall(r_col,desc_a,info)
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r_col(:) =0.0
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call psb_geasb(r_col,desc_a,info)
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t2 = psb_wtime() - t1
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!!$ call psb_csprt(10+iam,a,head='% (A)')
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call psb_sp_free(aux_a,info)
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call psb_amx(ictxt, t2)
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!!$ call psb_csprt(20+iam,a,head='% (A)')
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!
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! prepare the preconditioning matrix. note the availability
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! of optional parameters
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!
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do pp=1, nprecs
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mttot=1.d300
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do nt=1,ntry
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if (precs(pp)%lv2(1:2) == 'ml') then
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if (precs(pp)%nlev < 2) then
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write(0,*) 'Inconsistent number of levels ',precs(pp)%nlev,&
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& ' forcing 2'
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precs(pp)%nlev = 2
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end if
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nlev = precs(pp)%nlev
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call mld_precinit(pre,precs(pp)%lv2,info,nlev=nlev)
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! Defaults are OK for all intermediate levels. Only fix last level.
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if (precs(pp)%omega>=0.0) then
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call mld_precset(pre,mld_aggr_damp_,precs(pp)%omega,info,ilev=nlev)
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end if
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call mld_precset(pre,mld_ml_type_, precs(pp)%mltype, info,ilev=nlev)
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call mld_precset(pre,mld_aggr_alg_, precs(pp)%aggr, info,ilev=nlev)
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call mld_precset(pre,mld_coarse_mat_, precs(pp)%cmat, info,ilev=nlev)
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call mld_precset(pre,mld_smooth_pos_, precs(pp)%smthpos, info,ilev=nlev)
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call mld_precset(pre,mld_sub_solve_, precs(pp)%ftype2, info,ilev=nlev)
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call mld_precset(pre,mld_sub_fill_in_, precs(pp)%fill2, info,ilev=nlev)
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call mld_precset(pre,mld_fact_thrs_, precs(pp)%thr2, info,ilev=nlev)
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call mld_precset(pre,mld_smooth_sweeps_, precs(pp)%jswp, info,ilev=nlev)
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call mld_precset(pre,mld_aggr_kind_, precs(pp)%smthkind, info,ilev=nlev)
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else
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call mld_precinit(pre,precs(pp)%lv1,info)
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end if
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call mld_precset(pre,mld_n_ovr_, precs(pp)%novr, info,ilev=1)
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call mld_precset(pre,mld_sub_restr_, precs(pp)%restr, info,ilev=1)
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call mld_precset(pre,mld_sub_prol_, precs(pp)%prol, info,ilev=1)
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call mld_precset(pre,mld_sub_solve_, precs(pp)%ftype1, info,ilev=1)
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call mld_precset(pre,mld_sub_fill_in_, precs(pp)%fill1, info,ilev=1)
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call mld_precset(pre,mld_fact_thrs_, precs(pp)%thr1, info,ilev=1)
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! setting initial guess to zero
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call psb_geaxpby(dzero,b_col,dzero,x_col,desc_a,info)
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! building the preconditioner
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!!$ write(0,*) 'Check in main program on hasv in:',allocated(desc_a%hashv)
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!!$ call flush(0)
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call psb_barrier(ictxt)
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t1 = psb_wtime()
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call mld_precbld(a,desc_a,pre,info)
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tprec = psb_wtime()-t1
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if (info /= 0) then
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write(0,*) 'INFO from precbld ',info
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call psb_error()
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goto 9999
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end if
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if (psb_get_errstatus() /= 0) then
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write(0,*) 'INFO from precbld ',info
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call psb_error()
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goto 9999
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end if
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!!$ write(0,*) 'Check in main program on hasv out:',allocated(desc_a%hashv)
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!!$ call flush(0)
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call psb_amx(ictxt,tprec)
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!!$ call psb_csprt(40+iam,a,head='% (A)')
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!!$ if (iam == psb_root_) then
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!!$ write(*,'("Matrix : ",a)') mtrx(nm)
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!!$ write(*,'("RHS : ",a)') rhs(nm)
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!!$ write(*,'("Method : ",a)') kmethd
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!!$ write(*,'("Preconditioner : ",a)') precs(pp)%descr
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!!$ call mld_precdescr(pre)
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!!$ call flush(6)
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!!$ end if
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iparm = 0
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call psb_barrier(ictxt)
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t1 = psb_wtime()
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call psb_krylov(kmethd,a,pre,b_col,x_col,eps,desc_a,info,&
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& itmax=itmax,iter=iter,err=err,itrace=itrace,&
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& irst=irst,istop=istopc)
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call psb_barrier(ictxt)
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t2 = psb_wtime() - t1
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call psb_amx(ictxt,t2)
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if (info/=0) then
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write(0,*) 'INFO from solver ',info
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call psb_errpush(4010,name,a_err='psb_SOLVER')
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goto 9999
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end if
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!!$ write(0,*) iam,'Done Solver'
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!!$ call flush(0)
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!!$ call flush(6)
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!!$ call psb_barrier(ictxt)
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if(iam == psb_root_.and.out2) &
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& write(10,'(a20,2(1x,i3),1x,i5,3(1x,g9.4),1x,a8,1x,a)') &
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& mtrx(nm),np,precs(pp)%novr,iter,tprec,t2,t2+tprec,&
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& trim(kmethd),trim(precs(pp)%descr)
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if(iam == psb_root_) &
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& write(0,'(a20,2(1x,i3),1x,i5,3(1x,g9.4),1x,a8,1x,a)') &
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& mtrx(nm),np,precs(pp)%novr,iter,tprec,t2,t2+tprec,&
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& trim(kmethd),trim(precs(pp)%descr)
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if (nt.lt.ntry) call mld_precfree(pre,info)
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if((t2+tprec).lt.mttot) then
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mtslv=t2
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mtprec=tprec
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mttot=t2+tprec
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end if
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end do
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!!$ call psb_csprt(50+iam,a,head='% (A)')
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!!$ write(0,*) 'Check hashv after precfree:',allocated(desc_a%hashv)
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!!$ call flush(0)
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call psb_geaxpby(done,b_col,dzero,r_col,desc_a,info)
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call psb_spmm(-done,a,x_col,done,r_col,desc_a,info)
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call psb_genrm2s(resmx,r_col,desc_a,info)
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call psb_geamaxs(resmxp,r_col,desc_a,info)
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ipsize = mld_sizeof(pre)
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asize = psb_sizeof(a)
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cdsize = psb_sizeof(desc_a)
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call psb_sum(ictxt,ipsize)
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call psb_sum(ictxt,asize)
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call psb_sum(ictxt,cdsize)
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if (iam == psb_root_) then
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write(*,'("Matrix : ",a)') mtrx(nm)
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write(*,'("RHS : ",a)') rhs(nm)
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write(*,'("Method : ",a)') kmethd
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write(*,'("Preconditioner : ",a)') precs(pp)%descr
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call mld_precdescr(pre)
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write(*,'("Computed solution on ",i4," processors")')np
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write(*,'(" ")')
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write(*,'("Iterations to convergence: ",i6)') iter
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write(*,'("Error indicator on exit : ",g9.4)') err
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write(*,'("Time to buil prec. : ",es10.4)')mtprec
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write(*,'("Time to solve matrix : ",es10.4)')mtslv
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write(*,'("Time per iteration : ",es10.4)')mtslv/(iter)
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write(*,'("Total time : ",es10.4)')mttot
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write(*,'("Residual norm 2 : ",es10.4)')resmx
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write(*,'("Residual norm inf : ",es10.4)')resmxp
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write(*,'("Total memory occupation for A: ",i10)')asize
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write(*,'("Total memory occupation for DESC_A: ",i10)')cdsize
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write(*,'("Total memory occupation for PRE: ",i10)')ipsize
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write(*,'(72("="))')
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write(*,'(" ")')
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write(*,'(" ")')
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write(*,'(" ")')
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if(out1) write(8,'(a20,2(1x,i3),1x,i5,5(1x,g9.4),1x,a8,1x,a)') mtrx(nm),&
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& np,precs(pp)%novr,&
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& iter,mtprec,mtslv,mttot,resmx,resmxp,&
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& trim(kmethd),trim(precs(pp)%descr)
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end if
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call mld_precfree(pre,info)
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if (.false.) then
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allocate(x_col_glob(m_problem),r_col_glob(m_problem),stat=ierr)
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if (ierr /= 0) then
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write(0,*) 'allocation error: no data collection'
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else
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call psb_gather(x_col_glob,x_col,desc_a,info,root=psb_root_)
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call psb_gather(r_col_glob,r_col,desc_a,info,root=psb_root_)
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if (iam == psb_root_) then
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write(0,'(" ")')
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write(0,'("Saving x on file")')
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write(outf3,'(a,a,a)')trim(mtrx(nm)),'.psb_sol.',&
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& psb_tolower(trim(precs(pp)%descr))
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open(20,file=outf3)
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write(20,*) 'matrix: ',mtrx(nm)
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write(20,*) 'computed solution on ',np,' processors.'
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write(20,*) 'iterations to convergence: ',iter
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write(20,*) 'error indicator (infinity norm) on exit:', &
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& ' ||r||/(||a||||x||+||b||) = ',err
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write(20,*) 'max residual = ',resmx, resmxp
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do i=1,m_problem
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write(20,998) i,x_col_glob(i),b_col_glob(i)
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enddo
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close(20)
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end if
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end if
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end if
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998 format(i8,4(2x,g20.14))
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993 format(i6,4(1x,e12.6))
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!!$ if (pp == 1) call psb_csprt(40+iam,a,head='% (A)')
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end do
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call psb_gefree(b_col, desc_a,info)
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call psb_gefree(x_col, desc_a,info)
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call psb_spfree(a, desc_a,info)
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call psb_cdfree(desc_a,info)
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deallocate(r_col,stat=info)
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deallocate(aux_b,stat=info)
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if (ipart==0) then
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deallocate(ivg,ipv,stat=info)
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endif
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end do
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9999 continue
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if(info /= 0) then
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call psb_error(ictxt)
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end if
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call psb_exit(ictxt)
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stop
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contains
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!
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! get iteration parameters from standard input
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!
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subroutine get_parms(icontxt,irst,irnum,ntry,nmat,mtrx,rhs,kmethd,nprecs,precs,ipart,&
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& afmt,istopc,itmax,itrace,eps,outf1,outf2)
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use psb_base_mod
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implicit none
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integer :: icontxt
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character(len=20) :: kmethd
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character(len=80) :: outf1, outf2
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character(len=20),allocatable :: mtrx(:), rhs(:)
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type(precdata),allocatable :: precs(:)
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integer :: iret, istopc,itmax,itrace,ipart,nmat,nprecs,irst,irnum,ntry
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character(len=1024) :: charbuf
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real(psb_dpk_) :: eps, omega,thr1,thr2
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character :: afmt*5, lv1*10, lv2*10, pdescr*40
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integer :: iam, nm, np, i, idx
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integer, parameter :: npparms=14
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integer :: inparms(40), ip, pparms(npparms)
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call psb_info(icontxt,iam,np)
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if (iam==psb_root_) then
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! read input parameters
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read(*,*) outf1
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read(*,*) outf2
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read(*,*) kmethd
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read(*,*) eps
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read(*,*) afmt
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call psb_bcast(icontxt,kmethd)
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call psb_bcast(icontxt,eps,0)
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call psb_bcast(icontxt,afmt)
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read(*,*) ipart
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read(*,*) itmax
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read(*,*) itrace
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read(*,*) istopc
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read(*,*) irst
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read(*,*) irnum
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read(*,*) ntry
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read(*,*) nprecs
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! broadcast parameters to all processors
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inparms(1) = ipart
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inparms(2) = itmax
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inparms(3) = itrace
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inparms(4) = istopc
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inparms(5) = irst
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inparms(6) = irnum
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inparms(7) = ntry
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call psb_bcast(icontxt,inparms(1:7))
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call psb_bcast(icontxt,nprecs)
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allocate(precs(nprecs))
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do np=1,nprecs
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read(*,'(a)')charbuf
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charbuf = adjustl(charbuf)
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idx=index(charbuf," ")
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read(charbuf(1:idx-1),'(a)')lv1
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charbuf=adjustl(charbuf(idx:))
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idx=index(charbuf," ")
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read(charbuf(1:idx-1),'(a)')lv2
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charbuf=adjustl(charbuf(idx:))
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do i=1, npparms
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idx=index(charbuf," ")
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read(charbuf(1:idx),*) pparms(i)
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charbuf=adjustl(charbuf(idx:))
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end do
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idx=index(charbuf," ")
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read(charbuf(1:idx),*) omega
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charbuf=adjustl(charbuf(idx:))
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idx=index(charbuf," ")
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read(charbuf(1:idx),*) thr1
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charbuf=adjustl(charbuf(idx:))
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idx=index(charbuf," ")
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read(charbuf(1:idx),*) thr2
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charbuf=adjustl(charbuf(idx:))
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read(charbuf,'(a)') pdescr
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call psb_bcast(icontxt,pdescr)
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precs(np)%descr=pdescr
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call psb_bcast(icontxt,lv1)
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call psb_bcast(icontxt,lv2)
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call psb_bcast(icontxt,pparms(1:npparms))
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call psb_bcast(icontxt,omega)
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call psb_bcast(icontxt,thr1)
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call psb_bcast(icontxt,thr2)
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precs(np)%lv1 = lv1
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precs(np)%lv2 = lv2
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precs(np)%novr = pparms(1)
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precs(np)%restr = pparms(2)
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precs(np)%prol = pparms(3)
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precs(np)%ftype1 = pparms(4)
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precs(np)%fill1 = pparms(5)
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precs(np)%mltype = pparms(6)
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precs(np)%aggr = pparms(7)
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precs(np)%smthkind = pparms(8)
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precs(np)%cmat = pparms(9)
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precs(np)%smthpos = pparms(10)
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precs(np)%ftype2 = pparms(11)
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precs(np)%fill2 = pparms(12)
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precs(np)%jswp = pparms(13)
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precs(np)%nlev = pparms(14)
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precs(np)%omega = omega
|
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precs(np)%thr1 = thr1
|
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precs(np)%thr2 = thr2
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end do
|
|
|
|
read(*,*) nmat
|
|
call psb_bcast(icontxt,nmat)
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|
allocate(mtrx(nmat),rhs(nmat))
|
|
|
|
do nm=1, nmat
|
|
read(*,'(a)') charbuf
|
|
charbuf=adjustl(charbuf)
|
|
idx=index(charbuf," ")
|
|
mtrx(nm)=charbuf(1:idx-1)
|
|
rhs(nm)=adjustl(charbuf(idx+1:))
|
|
call psb_bcast(icontxt,mtrx(nm))
|
|
call psb_bcast(icontxt,rhs(nm))
|
|
end do
|
|
|
|
else
|
|
! receive parameters
|
|
call psb_bcast(icontxt,kmethd)
|
|
call psb_bcast(icontxt,eps)
|
|
|
|
call psb_bcast(icontxt,afmt)
|
|
|
|
call psb_bcast(icontxt,inparms(1:7))
|
|
|
|
ipart = inparms(1)
|
|
itmax = inparms(2)
|
|
itrace = inparms(3)
|
|
istopc = inparms(4)
|
|
irst = inparms(5)
|
|
irnum = inparms(6)
|
|
ntry = inparms(7)
|
|
|
|
call psb_bcast(icontxt,nprecs)
|
|
allocate(precs(nprecs))
|
|
|
|
do np=1,nprecs
|
|
call psb_bcast(icontxt,pdescr)
|
|
precs(np)%descr=pdescr
|
|
|
|
call psb_bcast(icontxt,lv1)
|
|
|
|
call psb_bcast(icontxt,lv2)
|
|
|
|
call psb_bcast(icontxt,pparms(1:npparms))
|
|
call psb_bcast(icontxt,omega)
|
|
call psb_bcast(icontxt,thr1)
|
|
call psb_bcast(icontxt,thr2)
|
|
|
|
precs(np)%lv1 = lv1
|
|
precs(np)%lv2 = lv2
|
|
precs(np)%novr = pparms(1)
|
|
precs(np)%restr = pparms(2)
|
|
precs(np)%prol = pparms(3)
|
|
precs(np)%ftype1 = pparms(4)
|
|
precs(np)%fill1 = pparms(5)
|
|
precs(np)%mltype = pparms(6)
|
|
precs(np)%aggr = pparms(7)
|
|
precs(np)%smthkind = pparms(8)
|
|
precs(np)%cmat = pparms(9)
|
|
precs(np)%smthpos = pparms(10)
|
|
precs(np)%ftype2 = pparms(11)
|
|
precs(np)%fill2 = pparms(12)
|
|
precs(np)%jswp = pparms(13)
|
|
precs(np)%nlev = pparms(14)
|
|
precs(np)%omega = omega
|
|
precs(np)%thr1 = thr1
|
|
precs(np)%thr2 = thr2
|
|
end do
|
|
|
|
|
|
call psb_bcast(icontxt,nmat)
|
|
allocate(mtrx(nmat),rhs(nmat))
|
|
|
|
do nm=1,nmat
|
|
|
|
call psb_bcast(icontxt,mtrx(nm))
|
|
call psb_bcast(icontxt,rhs(nm))
|
|
|
|
end do
|
|
|
|
end if
|
|
|
|
end subroutine get_parms
|
|
subroutine pr_usage(iout)
|
|
integer iout
|
|
write(iout, *) ' number of parameters is incorrect!'
|
|
write(iout, *) ' use: hb_sample mtrx_file methd prec [ptype &
|
|
&itmax istopc itrace]'
|
|
write(iout, *) ' where:'
|
|
write(iout, *) ' mtrx_file is stored in hb format'
|
|
write(iout, *) ' methd may be: cgstab '
|
|
write(iout, *) ' itmax max iterations [500] '
|
|
write(iout, *) ' istopc stopping criterion [1] '
|
|
write(iout, *) ' itrace 0 (no tracing, default) or '
|
|
write(iout, *) ' >= 0 do tracing every itrace'
|
|
write(iout, *) ' iterations '
|
|
write(iout, *) ' prec may be: ilu diagsc none'
|
|
write(iout, *) ' ptype partition strategy default 0'
|
|
write(iout, *) ' 0: block partition '
|
|
end subroutine pr_usage
|
|
|
|
end program df_bench
|
|
|
|
|
|
|
|
|
|
|