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736 lines
25 KiB
Fortran
736 lines
25 KiB
Fortran
20 years ago
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program df_bench
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use f90sparse
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use mat_dist
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use read_mat
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use partgraph
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use errormod
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implicit none
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! input parameters
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character(len=20) :: cmethd, prec
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character(len=40) :: mtrx_file, rhs_file
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character(len=20) :: mtrx_name, name, ch_err
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character(len=10) :: ptype
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character(len=200) :: charbuf
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integer :: inparms(20)
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double precision ddot
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external ddot
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interface
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! .....user passed subroutine.....
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subroutine part_block(global_indx,n,np,pv,nv)
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implicit none
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integer, intent(in) :: global_indx, n, np
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integer, intent(out) :: nv
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integer, intent(out) :: pv(*)
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end subroutine part_block
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end interface ! local variables
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interface
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! .....user passed subroutine.....
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subroutine part_blk2(global_indx,n,np,pv,nv)
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implicit none
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integer, intent(in) :: global_indx, n, np
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integer, intent(out) :: nv
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integer, intent(out) :: pv(*)
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end subroutine part_blk2
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end interface ! Local variables
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integer, parameter :: izero=0, ione=1
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character, parameter :: order='r'
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real(kind(1.d0)), pointer, save :: b_col(:), x_col(:), r_col(:), &
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& b_col_glob(:), x_col_glob(:), r_col_glob(:), b_glob(:,:), &
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&z(:), q(:),z1(:), xm(:,:), ym(:,:)
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integer :: iargc, check_descr, convert_descr
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real(kind(1.d0)), parameter :: dzero = 0.d0, one = 1.d0
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real(kind(1.d0)) :: mpi_wtime, t1, t2, t3, tprec, tslv, ttot, &
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&r_amax, b_amax,bb(1,1), lambda,scale,resmx,resmxp, omega
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integer :: nrhs, nrow, nx1, nx2, n_row, n_col, dim,iread,ip,io,no,nmats,&
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& imat,irenum, igsmth, matop, jacswp
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logical :: amroot
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external iargc, mpi_wtime
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integer bsze,overlap, nn, nprecs, novrs
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common/part/bsze,overlap
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integer, pointer :: work(:), precs(:), ovrs(:)
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! sparse matrices
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type(d_spmat) :: a, aux_a, h
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type(d_prec) :: pre
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!!$ type(d_precn) :: aprc
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! dense matrices
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real(kind(1.d0)), pointer :: aux_b(:,:) , aux1(:), aux2(:), vdiag(:), &
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& aux_g(:,:), aux_x(:,:), d(:)
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! communications data structure
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type(desc_type) :: desc_a, desc_a_out
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! blacs parameters
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integer :: nprow, npcol, ictxt, iam, np, myprow, mypcol
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! solver paramters
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integer :: iter, itmax, ierr, itrace, ircode, ipart,&
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& methd, istopc, irst,nv
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integer, pointer :: ivg(:), ipv(:)
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character(len=5) :: afmt
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real(kind(1.d0)) :: err, eps
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integer iparm(20)
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real(kind(1.d0)) rparm(20)
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! other variables
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integer :: i,info,j, ntryslv
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integer :: internal, m,ii,nnzero, itryslv
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integer, parameter :: ncsw=4, ntcs=4
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real(kind(1.d0)), pointer :: tsthal(:,:)
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real(kind(1.d0)) :: tswmpi(ntcs,ncsw),tswsyn(ntcs,ncsw),tswsdrv(ntcs,ncsw)
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! common area
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integer m_problem, nproc, nc
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! initialize blacs
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call blacs_pinfo(iam, np)
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call blacs_get(izero, izero, ictxt)
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! rectangular Grid, Np x 1
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call blacs_gridinit(ictxt, order, np, ione)
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call blacs_gridinfo(ictxt, nprow, npcol, myprow, mypcol)
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amroot = (myprow==0).and.(mypcol==0)
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info=0
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name='df_bench'
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call psb_set_errverbosity(2)
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call psb_set_erraction(0)
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! call psb_erractionsave(err_act)
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!
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! Get parameters from file
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!
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if (amroot) then
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read(*,*) cmethd
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do i = 1, len(cmethd)
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inparms(i) = iachar(cmethd(i:i))
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end do
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call igebs2d(ictxt,'all',' ',20,1,inparms,20)
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read(*,*) afmt
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do i = 1, len(afmt)
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inparms(i) = iachar(afmt(i:i))
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end do
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call igebs2d(ictxt,'all',' ',20,1,inparms,20)
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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(*,*) irenum
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read(*,*) ntryslv
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read(*,*) nprecs
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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) = irenum
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inparms(5) = ntryslv
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inparms(6) = nprecs
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inparms(7) = istopc
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inparms(8) = irst
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call igebs2d(ictxt,'all',' ',8,1,inparms,20)
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!!$ write(0,*) 'Sent nprecs: ',nprecs
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allocate(precs(nprecs))
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read(*,*) (precs(i),i=1,nprecs)
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call igebs2d(ictxt,'all',' ',nprecs,1,precs,nprecs)
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read(*,*) novrs
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call igebs2d(ictxt,'all',' ',1,1,novrs,1)
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!!$ write(0,*) 'Sent novrs: ',novrs
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allocate(ovrs(novrs))
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read(*,*) (ovrs(i),i=1,novrs)
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call igebs2d(ictxt,'all',' ',novrs,1,ovrs,novrs)
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read(*,*) eps
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call dgebs2d(ictxt,'all',' ',1,1,eps,1)
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read(*,*) omega
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call dgebs2d(ictxt,'all',' ',1,1,omega,1)
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read(*,*) igsmth
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call igebs2d(ictxt,'all',' ',1,1,igsmth,1)
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read(*,*) matop
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call igebs2d(ictxt,'all',' ',1,1,matop,1)
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read(*,*) jacswp
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call igebs2d(ictxt,'all',' ',1,1,jacswp,1)
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read(*,*) nmats
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call igebs2d(ictxt,'all',' ',1,1,nmats,1)
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else
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call igebr2d(ictxt,'a',' ',20,1,inparms,20,0,0)
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do i = 1, len(cmethd)
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cmethd(i:i) = achar(inparms(i))
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end do
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call igebr2d(ictxt,'a',' ',20,1,inparms,20,0,0)
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do i = 1, len(afmt)
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afmt(i:i) = achar(inparms(i))
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end do
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call igebr2d(ictxt,'all',' ',8,1,inparms,20,0,0)
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ipart = inparms(1)
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itmax = inparms(2)
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itrace = inparms(3)
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irenum = inparms(4)
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ntryslv= inparms(5)
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nprecs = inparms(6)
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istopc = inparms(7)
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irst = inparms(8)
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!!$ write(0,*) 'Recvd nprecs: ',nprecs
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allocate(precs(nprecs))
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call igebr2d(ictxt,'all',' ',nprecs,1,precs,nprecs,0,0)
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call igebr2d(ictxt,'all',' ',1,1,novrs,1,0,0)
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!!$ write(0,*) 'Recvd novrs: ',novrs
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allocate(ovrs(novrs))
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call igebr2d(ictxt,'all',' ',novrs,1,ovrs,novrs,0,0)
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call dgebr2d(ictxt,'all',' ',1,1,eps,1,0,0)
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call dgebr2d(ictxt,'all',' ',1,1,omega,1,0,0)
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call igebr2d(ictxt,'all',' ',1,1,igsmth,1,0,0)
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call igebr2d(ictxt,'all',' ',1,1,matop,1,0,0)
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call igebr2d(ictxt,'all',' ',1,1,jacswp,1,0,0)
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call igebr2d(ictxt,'all',' ',1,1,nmats,1,0,0)
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endif
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do imat=1,nmats
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if (amroot) then
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!!$ read(*,*) mtrx_file,rhs_file
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read(*,'(a)') charbuf
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charbuf=adjustl(charbuf)
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i=index(charbuf," ")
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mtrx_file=charbuf(1:i-1)
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rhs_file=adjustl(charbuf(i+1:))
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i=index(mtrx_file,"/",back=.true.)
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mtrx_name=trim(mtrx_file(i+1:))
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write(0,*) 'Read mtx rhs : "',&
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& mtrx_file,'" "',rhs_file,'" "',mtrx_name,'"'
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endif
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call blacs_barrier(ictxt,'A')
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t1 = mpi_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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nproc = nprow
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if (amroot) then
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nullify(aux_b)
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call readmat(mtrx_file, aux_a, ictxt)
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!!$ write(0,*) 'from readmat: ',aux_a%fida,aux_a%m,':',&
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!!$ &aux_a%ia2(aux_a%m+1)-1,':',aux_a%ia1(1:10)
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m_problem = aux_a%m
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call igebs2d(ictxt,'a',' ',1,1,m_problem,1)
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if (rhs_file /= 'none') then
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! reading an rhs
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call read_rhs(rhs_file,aux_b,ictxt)
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end if
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if (associated(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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!!$ write(0,*) 'ok, got an rhs ',aux_b(m_problem,1)
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b_col_glob =>aux_b(:,1)
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else
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!!$ write(0,*) 'inventing an rhs '
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allocate(aux_b(m_problem,1), stat=ircode)
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if (ircode /= 0) then
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write(0,*) 'memory allocation failure in df_sample'
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call blacs_abort(ictxt,-1)
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stop
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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 dgebs2d(ictxt,'a',' ',m_problem,1,b_col_glob,m_problem)
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else
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call igebr2d(ictxt,'a',' ',1,1,m_problem,1,0,0)
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!!$ write(0,*) 'Receiving AUX_B'
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allocate(aux_b(m_problem,1), stat=ircode)
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if (ircode /= 0) then
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write(0,*) 'Memory allocation failure in DF_SAMPLE'
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call blacs_abort(ictxt,-1)
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stop
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endif
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b_col_glob =>aux_b(:,1)
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call dgebr2d(ictxt,'A',' ',m_problem,1,b_col_glob,m_problem,0,0)
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end if
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! switch over different partition types
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if (ipart.eq.0) then
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call blacs_barrier(ictxt,'A')
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if (.true.) then
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allocate(ivg(m_problem),ipv(np))
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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 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 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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endif
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else if (ipart.eq.1) then
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call blacs_barrier(ictxt,'A')
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call matdist(aux_a, a, part_blk2, ictxt, &
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& desc_a,b_col_glob,b_col,info,fmt=afmt)
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else if (ipart.eq.2) then
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if (amroot) then
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call build_grppart(aux_a%m,aux_a%fida,aux_a%ia1,aux_a%ia2,np)
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endif
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call distr_grppart(0,0,ictxt)
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if (.false.) then
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call matdist(aux_a, a, part_graph, 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 getv_grppart(ivg)
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call matdist(aux_a, a, ivg, ictxt, &
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& desc_a,b_col_glob,b_col,info,fmt=afmt)
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endif
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else
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call 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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if(info /= 0) then
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info=4010
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ch_err='matdist'
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goto 9999
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end if
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call f90_psdsall(m_problem,x_col,desc_a,info)
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if(info /= 0) then
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info=4010
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ch_err='f90_psdsall'
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goto 9999
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end if
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x_col(:) =0.0
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call f90_psdsasb(x_col,desc_a,info)
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call f90_psdsasb(b_col,desc_a,info)
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if(info /= 0) then
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info=4010
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ch_err='f90_psdsasb'
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goto 9999
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end if
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call f90_psdsall(m_problem,r_col,desc_a,info)
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if(info /= 0) then
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info=4010
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ch_err='f90_psdsall'
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goto 9999
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end if
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r_col(:) =0.0
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call f90_psdsasb(r_col,desc_a,info)
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if(info /= 0) then
|
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|
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info=4010
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|
|
ch_err='f90_psdsasb'
|
||
|
|
goto 9999
|
||
|
|
end if
|
||
|
|
t2 = mpi_wtime() - t1
|
||
|
|
|
||
|
|
|
||
|
|
dim=size(a%aspk)
|
||
|
|
|
||
|
|
call dgamx2d(ictxt, 'a', ' ', ione, ione, t2, ione,&
|
||
|
|
& t1, t1, -1, -1, -1)
|
||
|
|
|
||
|
|
if (amroot) then
|
||
|
|
write(6,*) 'time to Read and Partition Matrix : ',T2
|
||
|
|
END IF
|
||
|
|
!!$ call blacs_barrier(ictxt,'all')
|
||
|
|
!!$ do i=0, nprow-1
|
||
|
|
!!$ if (myprow==i) then
|
||
|
|
!!$ write(6,*) 'Main descriptor for process ',i,' ',mtrx_file
|
||
|
|
!!$ call descprt(6,desc_a,short=.true.)
|
||
|
|
!!$ endif
|
||
|
|
!!$ call blacs_barrier(ictxt,'all')
|
||
|
|
!!$ enddo
|
||
|
|
|
||
|
|
|
||
|
|
!
|
||
|
|
! Prepare the preconditioning matrix. Note the availability
|
||
|
|
! of optional parameters
|
||
|
|
!
|
||
|
|
|
||
|
|
do ip=1,nprecs
|
||
|
|
|
||
|
|
pre%prec=precs(ip)
|
||
|
|
if (precs(ip) > 2) then
|
||
|
|
no=novrs
|
||
|
|
else
|
||
|
|
no=1
|
||
|
|
endif
|
||
|
|
|
||
|
|
do io=1, no
|
||
|
|
|
||
|
|
ttot = 1.d300
|
||
|
|
|
||
|
|
do itryslv=1,ntryslv
|
||
|
|
! Zero initial guess.
|
||
|
|
select case(precs(ip))
|
||
|
|
case(noprec_)
|
||
|
|
ptype='noprec'
|
||
|
|
call psb_precset(pre,ptype)
|
||
|
|
case(diagsc_)
|
||
|
|
ptype='diagsc'
|
||
|
|
call psb_precset(pre,ptype)
|
||
|
|
case(bja_)
|
||
|
|
ptype='bja'
|
||
|
|
call psb_precset(pre,ptype)
|
||
|
|
case(asm_)
|
||
|
|
ptype='asm'
|
||
|
|
call psb_precset(pre,ptype,iv=(/ovrs(io),halo_,sum_/))
|
||
|
|
case(ash_)
|
||
|
|
ptype='asm'
|
||
|
|
call psb_precset(pre,ptype,iv=(/ovrs(io),nohalo_,sum_/))
|
||
|
|
case(ras_)
|
||
|
|
ptype='asm'
|
||
|
|
call psb_precset(pre,ptype,iv=(/ovrs(io),halo_,none_/))
|
||
|
|
case(50+ras_)
|
||
|
|
pre%prec = ras_
|
||
|
|
ptype='asm'
|
||
|
|
call psb_precset(pre,ptype,iv=(/ovrs(io),halo_,none_,f_slu_/))
|
||
|
|
case(rash_)
|
||
|
|
ptype='asm'
|
||
|
|
call psb_precset(pre,ptype,iv=(/ovrs(io),nohalo_,none_/))
|
||
|
|
case(ras2lv_)
|
||
|
|
ptype='asm'
|
||
|
|
call psb_precset(pre,ptype,iv=(/ovrs(io),halo_,none_/))
|
||
|
|
ptype='ml'
|
||
|
|
call psb_precset(pre,ptype,&
|
||
|
|
&iv=(/add_ml_prec_,glb_aggr_,pre_smooth_,igsmth,matop/),rs=0.d0)
|
||
|
|
case(ras2lvm_)
|
||
|
|
ptype='asm'
|
||
|
|
call psb_precset(pre,ptype,iv=(/ovrs(io),halo_,none_/))
|
||
|
|
ptype='ml'
|
||
|
|
call psb_precset(pre,ptype,&
|
||
|
|
& iv=(/mult_ml_prec_,glb_aggr_,pre_smooth_,igsmth,matop/),rs=0.d0)
|
||
|
|
case(lv2mras_)
|
||
|
|
ptype='asm'
|
||
|
|
call psb_precset(pre,ptype,iv=(/ovrs(io),halo_,none_/))
|
||
|
|
ptype='ml'
|
||
|
|
call psb_precset(pre,ptype,&
|
||
|
|
& iv=(/mult_ml_prec_,glb_aggr_,post_smooth_,igsmth,matop/),rs=0.d0)
|
||
|
|
case(50+lv2mras_)
|
||
|
|
pre%prec = lv2mras_
|
||
|
|
ptype='asm'
|
||
|
|
call psb_precset(pre,ptype,iv=(/ovrs(io),halo_,none_/))
|
||
|
|
ptype='ml'
|
||
|
|
call psb_precset(pre,ptype,&
|
||
|
|
& iv=(/mult_ml_prec_,glb_aggr_,post_smooth_,igsmth,matop,f_slu_/),&
|
||
|
|
& rs=0.d0)
|
||
|
|
case(lv2smth_)
|
||
|
|
ptype='asm'
|
||
|
|
call psb_precset(pre,ptype,iv=(/ovrs(io),halo_,none_/))
|
||
|
|
ptype='ml'
|
||
|
|
if (omega>0.0d0) then
|
||
|
|
call psb_precset(pre,'ml',&
|
||
|
|
& iv=(/mult_ml_prec_,glb_aggr_,post_smooth_,igsmth,matop/),&
|
||
|
|
& rs=omega)
|
||
|
|
else
|
||
|
|
call psb_precset(pre,'ml',&
|
||
|
|
& iv=(/mult_ml_prec_,glb_aggr_,post_smooth_,igsmth,matop/))
|
||
|
|
endif
|
||
|
|
case(50+lv2smth_)
|
||
|
|
pre%prec = lv2smth_
|
||
|
|
ptype='asm'
|
||
|
|
call psb_precset(pre,ptype,iv=(/ovrs(io),halo_,none_/))
|
||
|
|
ptype='ml'
|
||
|
|
if (omega>0.0d0) then
|
||
|
|
call psb_precset(pre,ptype,&
|
||
|
|
& iv=(/mult_ml_prec_,glb_aggr_,post_smooth_,igsmth,matop,f_slu_/),&
|
||
|
|
& rs=omega)
|
||
|
|
else
|
||
|
|
call psb_precset(pre,ptype,&
|
||
|
|
& iv=(/mult_ml_prec_,glb_aggr_,post_smooth_,igsmth,matop,f_slu_/))
|
||
|
|
endif
|
||
|
|
case(lv2lsm_)
|
||
|
|
ptype='asm'
|
||
|
|
call psb_precset(pre,ptype,iv=(/ovrs(io),halo_,none_/))
|
||
|
|
ptype='ml'
|
||
|
|
if (omega>0.0d0) then
|
||
|
|
call psb_precset(pre,ptype,&
|
||
|
|
& iv=(/mult_ml_prec_,loc_aggr_,post_smooth_,igsmth,matop/),&
|
||
|
|
& rs=omega)
|
||
|
|
else
|
||
|
|
call psb_precset(pre,ptype,&
|
||
|
|
& iv=(/mult_ml_prec_,loc_aggr_,post_smooth_,igsmth,matop/))
|
||
|
|
endif
|
||
|
|
case(50+lv2lsm_)
|
||
|
|
pre%prec = lv2lsm_
|
||
|
|
ptype='asm'
|
||
|
|
call psb_precset(pre,ptype,iv=(/ovrs(io),halo_,none_/))
|
||
|
|
ptype='ml'
|
||
|
|
if (omega>0.0d0) then
|
||
|
|
call psb_precset(pre,ptype,&
|
||
|
|
& iv=(/mult_ml_prec_,loc_aggr_,post_smooth_,igsmth,matop,f_slu_/),&
|
||
|
|
& rs=omega)
|
||
|
|
else
|
||
|
|
call psb_precset(pre,ptype,&
|
||
|
|
& iv=(/mult_ml_prec_,loc_aggr_,post_smooth_,igsmth,matop,f_slu_/))
|
||
|
|
endif
|
||
|
|
case(sl2sm_)
|
||
|
|
ptype='asm'
|
||
|
|
call psb_precset(pre,ptype,iv=(/ovrs(io),halo_,sum_/))
|
||
|
|
ptype='ml'
|
||
|
|
if (omega>0.0d0) then
|
||
|
|
call psb_precset(pre,ptype,&
|
||
|
|
& iv=(/add_ml_prec_,loc_aggr_,post_smooth_,igsmth,matop/),rs=omega)
|
||
|
|
else
|
||
|
|
call psb_precset(pre,ptype,&
|
||
|
|
& iv=(/add_ml_prec_,loc_aggr_,post_smooth_,igsmth,matop/))
|
||
|
|
endif
|
||
|
|
case(new_loc_smth_)
|
||
|
|
ptype='asm'
|
||
|
|
call psb_precset(pre,ptype,iv=(/ovrs(io),halo_,none_/))
|
||
|
|
ptype='ml'
|
||
|
|
if (omega>0.0d0) then
|
||
|
|
call psb_precset(pre,ptype,&
|
||
|
|
& iv=(/new_ml_prec_,new_loc_aggr_,post_smooth_,1,&
|
||
|
|
& matop,f_ilu_n_,jacswp/), rs=omega)
|
||
|
|
else
|
||
|
|
call psb_precset(pre,ptype,&
|
||
|
|
& iv=(/new_ml_prec_,new_loc_aggr_,post_smooth_,1,&
|
||
|
|
& matop,f_ilu_n_,jacswp/))
|
||
|
|
endif
|
||
|
|
case(50+new_loc_smth_)
|
||
|
|
pre%prec = new_loc_smth_
|
||
|
|
ptype='asm'
|
||
|
|
call psb_precset(pre,ptype,iv=(/ovrs(io),halo_,none_/))
|
||
|
|
ptype='ml'
|
||
|
|
if (omega>0.0d0) then
|
||
|
|
call psb_precset(pre,ptype,&
|
||
|
|
& iv=(/new_ml_prec_,new_loc_aggr_,post_smooth_,1,&
|
||
|
|
& matop,f_slu_,jacswp/), rs=omega)
|
||
|
|
else
|
||
|
|
call psb_precset(pre,ptype,&
|
||
|
|
& iv=(/new_ml_prec_,new_loc_aggr_,post_smooth_,1,&
|
||
|
|
& matop,f_slu_,jacswp/))
|
||
|
|
endif
|
||
|
|
case(new_glb_smth_)
|
||
|
|
ptype='asm'
|
||
|
|
call psb_precset(pre,ptype,iv=(/ovrs(io),halo_,none_/))
|
||
|
|
ptype='ml'
|
||
|
|
if (omega>0.0d0) then
|
||
|
|
call psb_precset(pre,ptype,&
|
||
|
|
& iv=(/new_ml_prec_,new_glb_aggr_,post_smooth_,1,&
|
||
|
|
& matop,f_ilu_n_,1/), rs=omega)
|
||
|
|
else
|
||
|
|
call psb_precset(pre,ptype,&
|
||
|
|
& iv=(/new_ml_prec_,new_glb_aggr_,post_smooth_,1,&
|
||
|
|
& matop,f_ilu_n_,1/))
|
||
|
|
endif
|
||
|
|
case(50+new_glb_smth_)
|
||
|
|
pre%prec = new_glb_smth_
|
||
|
|
ptype='asm'
|
||
|
|
call psb_precset(pre,ptype,iv=(/ovrs(io),halo_,none_/))
|
||
|
|
ptype='ml'
|
||
|
|
if (omega>0.0d0) then
|
||
|
|
call psb_precset(pre,ptype,&
|
||
|
|
& iv=(/new_ml_prec_,new_glb_aggr_,post_smooth_,1,&
|
||
|
|
& matop,f_slu_,1/), rs=omega)
|
||
|
|
else
|
||
|
|
call psb_precset(pre,ptype,&
|
||
|
|
& iv=(/new_ml_prec_,new_glb_aggr_,post_smooth_,1,&
|
||
|
|
& matop,f_slu_,1/))
|
||
|
|
endif
|
||
|
|
case default
|
||
|
|
write(0,*) 'Unknown iprec, defaulting to BJA'
|
||
|
|
ptype='bja'
|
||
|
|
call psb_precset(pre,ptype)
|
||
|
|
end select
|
||
|
|
|
||
|
|
call blacs_barrier(ictxt,'All')
|
||
|
|
call f90_psaxpby(0.d0,b_col,0.d0,x_col,desc_a,info)
|
||
|
|
if(info /= 0) then
|
||
|
|
info=4010
|
||
|
|
ch_err='f90_psaxpby'
|
||
|
|
goto 9999
|
||
|
|
end if
|
||
|
|
|
||
|
|
|
||
|
|
call blacs_barrier(ictxt,'All')
|
||
|
|
t1 = mpi_wtime()
|
||
|
|
call psb_precbld(a,pre,desc_a,info)!,'f')
|
||
|
|
t2 = mpi_wtime()-t1
|
||
|
|
|
||
|
|
if(info /= 0) then
|
||
|
|
info=4010
|
||
|
|
ch_err='psb_precbld'
|
||
|
|
goto 9999
|
||
|
|
end if
|
||
|
|
|
||
|
|
call dgamx2d(ictxt,'a',' ',ione, ione,t2,ione,t1,t1,-1,-1,-1)
|
||
|
|
|
||
|
|
if (info /= 0) then
|
||
|
|
write(0,*) 'error in preconditioner :',info
|
||
|
|
call blacs_abort(ictxt,-1)
|
||
|
|
stop
|
||
|
|
end if
|
||
|
|
|
||
|
|
iparm = 0
|
||
|
|
rparm = 0.d0
|
||
|
|
|
||
|
|
call blacs_barrier(ictxt,'all')
|
||
|
|
t1 = mpi_wtime()
|
||
|
|
if (cmethd.eq.'CG') Then
|
||
|
|
call f90_cg(a,pre,b_col,x_col,eps,desc_a,info,&
|
||
|
|
& itmax,iter,err,itrace,istop=istopc)
|
||
|
|
if(info /= 0) then
|
||
|
|
info=4010
|
||
|
|
ch_err='f90_cg'
|
||
|
|
goto 9999
|
||
|
|
end if
|
||
|
|
else if (cmethd.eq.'BICGSTAB') Then
|
||
|
|
call f90_bicgstab(a,pre,b_col,x_col,eps,desc_a,info,&
|
||
|
|
& itmax,iter,err,itrace,istop=istopc)
|
||
|
|
if(info /= 0) then
|
||
|
|
info=4010
|
||
|
|
ch_err='f90_bicgstab'
|
||
|
|
goto 9999
|
||
|
|
end if
|
||
|
|
ELSE IF (CMETHD.EQ.'BICG') Then
|
||
|
|
call f90_bicg(a,pre,b_col,x_col,eps,desc_a,info,&
|
||
|
|
& itmax,iter,err,itrace,istop=istopc)
|
||
|
|
if(info /= 0) then
|
||
|
|
info=4010
|
||
|
|
ch_err='f90_bicg'
|
||
|
|
goto 9999
|
||
|
|
end if
|
||
|
|
ELSE IF (CMETHD.EQ.'CGS') Then
|
||
|
|
call f90_cgs(a,pre,b_col,x_col,eps,desc_a,info,&
|
||
|
|
& itmax,iter,err,itrace,istop=istopc)
|
||
|
|
if(info /= 0) then
|
||
|
|
info=4010
|
||
|
|
ch_err='f90_cg'
|
||
|
|
goto 9999
|
||
|
|
end if
|
||
|
|
ELSE IF (CMETHD.EQ.'GMRES') Then
|
||
|
|
call f90_rgmres(a,pre,b_col,x_col,eps,desc_a,info,&
|
||
|
|
& itmax,iter,err,itrace,irst=irst,istop=istopc)
|
||
|
|
if(info /= 0) then
|
||
|
|
info=4010
|
||
|
|
ch_err='f90_rgmres'
|
||
|
|
goto 9999
|
||
|
|
end if
|
||
|
|
else
|
||
|
|
write(*,*) 'Unknown method : "',cmethd,'"'
|
||
|
|
ENDIF
|
||
|
|
call blacs_barrier(ictxt,'all')
|
||
|
|
t3 = mpi_wtime() - t1
|
||
|
|
call dgamx2d(ictxt,'a',' ',ione, ione,t3,ione,t1,t1,-1,-1,-1)
|
||
|
|
|
||
|
|
if (amroot) then
|
||
|
|
write(10,'(a18,3(1x,i2),1x,i5,5(1x,g9.4))') mtrx_name,nprow,&
|
||
|
|
& precs(ip),pre%baseprec%iprcparm(n_ovr_),iter,t2,t3,t2+t3
|
||
|
|
endif
|
||
|
|
if (itryslv < ntryslv) then
|
||
|
|
call psb_precfree(pre,info)
|
||
|
|
if(info /= 0) then
|
||
|
|
info=4010
|
||
|
|
ch_err='psb_precfree'
|
||
|
|
goto 9999
|
||
|
|
end if
|
||
|
|
else
|
||
|
|
if (amroot) call prec_descr(6,pre)
|
||
|
|
end if
|
||
|
|
if ((t2+t3)<ttot) then
|
||
|
|
tprec = t2
|
||
|
|
tslv = t3
|
||
|
|
ttot = t2+t3
|
||
|
|
end if
|
||
|
|
|
||
|
|
end do
|
||
|
|
|
||
|
|
|
||
|
|
call f90_psaxpby(one,b_col,dzero,r_col,desc_A,info)
|
||
|
|
call f90_psspmm(-one,a,x_col,one,r_col,desc_a,info)
|
||
|
|
call f90_nrm2(resmx,r_col,desc_a,info)
|
||
|
|
call f90_amax(resmxp,r_col,desc_a,info)
|
||
|
|
if(info /= 0) then
|
||
|
|
info=4011
|
||
|
|
goto 9999
|
||
|
|
end if
|
||
|
|
|
||
|
|
if (amroot) then
|
||
|
|
write(6,*) ' iprec istopc : ',precs(ip), istopc, ovrs(io)
|
||
|
|
!!$! write(6,*) 'Number of iterations : ',iter
|
||
|
|
!!$! WRITE(6,*) 'Error on exit : ',ERR
|
||
|
|
write(6,*) 'Matrix: ',mtrx_name
|
||
|
|
write(6,*) 'Computed solution on ',NPROW,' processors.'
|
||
|
|
write(6,*) 'Iterations to convergence: ',iter
|
||
|
|
write(6,*) 'Error indicator on exit:',err
|
||
|
|
write(6,*) 'Time to Buil Prec. : ',TPREC
|
||
|
|
write(6,*) 'Time to Solve Matrix : ',TSLV
|
||
|
|
WRITE(6,*) 'Time per iteration : ',TSLV/(ITER)
|
||
|
|
write(6,*) 'Total Time : ',ttot
|
||
|
|
write(6,*) 'Residual norm 2 = ',resmx
|
||
|
|
write(6,*) 'Residual norm inf = ',resmxp
|
||
|
|
write(6,*)
|
||
|
|
write(6,*)
|
||
|
|
|
||
|
|
write(8,'(a18,3(1x,i2),1x,i5,5(1x,g9.4))') mtrx_name,nprow,precs(ip),&
|
||
|
|
& pre%baseprec%iprcparm(n_ovr_),&
|
||
|
|
& iter,tprec,tslv,ttot,resmx,resmxp
|
||
|
|
if (associated(pre%smthprec)) then
|
||
|
|
write(11,'(a18,9(1x,i2),1(1x,g9.4),1x,i5,5(1x,g9.4))') &
|
||
|
|
& mtrx_name,nprow,&
|
||
|
|
& pre%baseprec%iprcparm(p_type_),pre%baseprec%iprcparm(n_ovr_),&
|
||
|
|
& pre%baseprec%iprcparm(restr_),pre%baseprec%iprcparm(prol_),&
|
||
|
|
& pre%smthprec%iprcparm(ml_type_),pre%smthprec%iprcparm(aggr_alg_),&
|
||
|
|
& pre%smthprec%iprcparm(smth_pos_),pre%smthprec%iprcparm(glb_smth_),&
|
||
|
|
& pre%smthprec%dprcparm(smooth_omega_),&
|
||
|
|
& iter,tprec,tslv,ttot,resmx,resmxp
|
||
|
|
else
|
||
|
|
write(11,'(a18,9(1x,i2),1(1x,g9.4),1x,i5,5(1x,g9.4))') &
|
||
|
|
& mtrx_name,nprow,&
|
||
|
|
& pre%baseprec%iprcparm(p_type_),pre%baseprec%iprcparm(n_ovr_),&
|
||
|
|
& pre%baseprec%iprcparm(prol_),pre%baseprec%iprcparm(restr_),&
|
||
|
|
& 0, 0, 0,&
|
||
|
|
& 0, 0.0,&
|
||
|
|
& iter,tprec,tslv,ttot,resmx,resmxp
|
||
|
|
end if
|
||
|
|
end if
|
||
|
|
call psb_precfree(pre,info)
|
||
|
|
if(info /= 0) then
|
||
|
|
info=4011
|
||
|
|
goto 9999
|
||
|
|
end if
|
||
|
|
end do
|
||
|
|
end do
|
||
|
|
deallocate(aux_b,stat=info)
|
||
|
|
if (amroot) call spfree(aux_a,info)
|
||
|
|
!!$
|
||
|
|
call f90_psdsfree(b_col, desc_a,info)
|
||
|
|
call f90_psdsfree(x_col, desc_a,info)
|
||
|
|
call f90_psdsfree(r_col, desc_a,info)
|
||
|
|
call f90_psspfree(a, desc_a,info)
|
||
|
|
call f90_psdscfree(desc_a,info)
|
||
|
|
if(info /= 0) then
|
||
|
|
info=4011
|
||
|
|
goto 9999
|
||
|
|
end if
|
||
|
|
|
||
|
|
end do
|
||
|
|
deallocate(ovrs,precs,stat=info)
|
||
|
|
write(0,*) 'Info from deallocate ',info
|
||
|
|
|
||
|
|
9999 continue
|
||
|
|
if(info /= 0) then
|
||
|
|
call psb_errpush(info,name,a_err=ch_err)
|
||
|
|
call psb_error(ictxt)
|
||
|
|
call blacs_gridexit(ictxt)
|
||
|
|
call blacs_exit(0)
|
||
|
|
else
|
||
|
|
call blacs_gridexit(ictxt)
|
||
|
|
call blacs_exit(0)
|
||
|
|
end if
|
||
|
|
|
||
|
|
end program df_bench
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|