mirror of
https://github.com/sfilippone/amg4psblas.git
synced 2026-10-06 14:44:55 +00:00
Fix merge conflict
This commit is contained in:
Salvatore Filippone
@@ -121,13 +121,13 @@ subroutine amg_d_poly_smoother_apply_vect(alpha,sm,x,beta,y,desc_data,trans,&
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call psb_geaxpby(done,x,dzero,r,desc_data,info)
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call tx%zero()
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call ty%zero()
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call tz%zero()
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call tz%zero()
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select case(sm%variant)
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case(amg_poly_lottes_)
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block
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block
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real(psb_dpk_) :: cz, cr
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! b == x
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! b == x
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! x == tx
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!
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do i=1, sm%pdegree
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@@ -157,9 +157,9 @@ subroutine amg_d_poly_smoother_apply_vect(alpha,sm,x,beta,y,desc_data,trans,&
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case(amg_poly_lottes_beta_)
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block
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block
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real(psb_dpk_) :: cz, cr
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! b == x
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! b == x
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! x == tx
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!
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if (allocated(sm%poly_beta)) then
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@@ -196,9 +196,9 @@ subroutine amg_d_poly_smoother_apply_vect(alpha,sm,x,beta,y,desc_data,trans,&
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end block
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case(amg_poly_new_)
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block
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block
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real(psb_dpk_) :: sigma, theta, delta, rho_old, rho
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! b == x
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! b == x
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! x == tx
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!
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sm%cf_a = amg_d_poly_a_vect(sm%pdegree)
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@@ -234,7 +234,7 @@ subroutine amg_d_poly_smoother_apply_vect(alpha,sm,x,beta,y,desc_data,trans,&
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call psb_abgdxyz((2*rho/delta),(rho*rho_old),done,done,r,tz,tx,desc_data,info)
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end if
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!!$ res = psb_genrm2(r,desc_data,info)
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!!$ write(0,*) 'Polynomial smoother ',i,res
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!!$ write(0,*) 'Polynomial smoother NEW ',i,res
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! x_k = x_{k-1} + z_k
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end do
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end block
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@@ -257,205 +257,10 @@ subroutine amg_d_poly_smoother_apply_vect(alpha,sm,x,beta,y,desc_data,trans,&
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end if
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end associate
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!!$ if ((.not.sm%sv%is_iterative()).and.((sweeps == 1).or.(sm%nd_nnz_tot==0))) then
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!!$ ! if .not.sv%is_iterative, there's no need to pass init
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!!$ call sm%sv%apply(alpha,x,beta,y,desc_data,trans_,aux,wv,info)
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!!$
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!!$ if (info /= psb_success_) then
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!!$ call psb_errpush(psb_err_internal_error_,&
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!!$ & name,a_err='Error in sub_aply Jacobi Sweeps = 1')
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!!$ goto 9999
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!!$ endif
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!!$
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!!$ else if (sweeps >= 0) then
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!!$ select type (smsv => sm%sv)
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!!$ class is (amg_d_diag_solver_type)
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!!$ !
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!!$ ! This means we are dealing with a pure Jacobi smoother/solver.
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!!$ !
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!!$ associate(tx => wv(1), ty => wv(2))
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!!$ select case (init_)
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!!$ case('Z')
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!!$
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!!$ call sm%sv%apply(done,x,dzero,ty,desc_data,trans_,aux,wv(3:),info,init='Z')
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!!$
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!!$ case('Y')
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!!$ call psb_geaxpby(done,x,dzero,tx,desc_data,info)
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!!$ call psb_geaxpby(done,y,dzero,ty,desc_data,info)
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!!$ call psb_spmm(-done,sm%pa,ty,done,tx,desc_data,info,work=aux,trans=trans_)
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!!$ call sm%sv%apply(done,tx,dzero,ty,desc_data,trans_,aux,wv(3:),info,init='Y')
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!!$
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!!$ case('U')
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!!$ if (.not.present(initu)) then
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!!$ call psb_errpush(psb_err_internal_error_,name,&
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!!$ & a_err='missing initu to smoother_apply')
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!!$ goto 9999
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!!$ end if
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!!$ call psb_geaxpby(done,x,dzero,tx,desc_data,info)
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!!$ call psb_geaxpby(done,initu,dzero,ty,desc_data,info)
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!!$ call psb_spmm(-done,sm%pa,ty,done,tx,desc_data,info,work=aux,trans=trans_)
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!!$ call sm%sv%apply(done,tx,dzero,ty,desc_data,trans_,aux,wv(3:),info,init='Y')
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!!$
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!!$ case default
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!!$ call psb_errpush(psb_err_internal_error_,name,&
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!!$ & a_err='wrong init to smoother_apply')
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!!$ goto 9999
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!!$ end select
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!!$
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!!$ do i=1, sweeps-1
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!!$ !
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!!$ ! Compute Y(j+1) = Y(j)+ D^(-1)*(X-A*Y(j)),
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!!$ ! where is the diagonal and A the matrix.
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!!$ !
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!!$ call psb_geaxpby(done,x,dzero,tx,desc_data,info)
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!!$ call psb_spmm(-done,sm%pa,ty,done,tx,desc_data,info,work=aux,trans=trans_)
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!!$
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!!$ if (info /= psb_success_) exit
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!!$
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!!$ call sm%sv%apply(done,tx,done,ty,desc_data,trans_,aux,wv(3:),info,init='Y')
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!!$
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!!$ if (info /= psb_success_) exit
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!!$
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!!$ if ( sm%checkres.and.(mod(i,sm%checkiter) == 0) ) then
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!!$ call psb_geaxpby(done,x,dzero,r,r,desc_data,info)
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!!$ call psb_spmm(-done,sm%pa,ty,done,r,desc_data,info)
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!!$ res = psb_genrm2(r,desc_data,info)
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!!$ if( sm%printres ) then
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!!$ call log_conv("BJAC",me,i,sm%printiter,res,resdenum,sm%tol)
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!!$ end if
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!!$ if ( res < sm%tol*resdenum ) then
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!!$ if( (sm%printres).and.(mod(sm%printiter,sm%checkiter)/=0) ) &
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!!$ & call log_conv("BJAC",me,i,1,res,resdenum,sm%tol)
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!!$ exit
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!!$ end if
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!!$ end if
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!!$
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!!$ end do
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!!$
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!!$
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!!$ if (info == psb_success_) call psb_geaxpby(alpha,ty,beta,y,desc_data,info)
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!!$
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!!$ if (info /= psb_success_) then
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!!$ info=psb_err_internal_error_
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!!$ call psb_errpush(info,name,&
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!!$ & a_err='subsolve with Jacobi sweeps > 1')
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!!$ goto 9999
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!!$ end if
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!!$
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!!$
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!!$ end associate
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!!$
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!!$ class default
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!!$ !
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!!$ !
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!!$ ! Apply multiple sweeps of a block-Jacobi solver
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!!$ ! to compute an approximate solution of a linear system.
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!!$ !
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!!$ !
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!!$ if (size(wv) < 2) then
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!!$ info = psb_err_internal_error_
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!!$ call psb_errpush(info,name,&
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!!$ & a_err='invalid wv size in smoother_apply')
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!!$ goto 9999
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!!$ end if
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!!$ associate(tx => wv(1), ty => wv(2))
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!!$
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!!$ !
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!!$ ! Unroll the first iteration and fold it inside SELECT CASE
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!!$ ! this will save one AXPBY and one SPMM when INIT=Z, and will be
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!!$ ! significant when sweeps=1 (a common case)
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!!$ !
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!!$ select case (init_)
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!!$ case('Z')
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!!$
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!!$ call sm%sv%apply(done,x,dzero,ty,desc_data,trans_,aux,wv(3:),info,init='Z')
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!!$
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!!$ case('Y')
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!!$ call psb_geaxpby(done,x,dzero,tx,desc_data,info)
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!!$ call psb_geaxpby(done,y,dzero,ty,desc_data,info)
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!!$ call psb_spmm(-done,sm%nd,ty,done,tx,desc_data,info,work=aux,trans=trans_)
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!!$ call sm%sv%apply(done,tx,dzero,ty,desc_data,trans_,aux,wv(3:),info,init='Y')
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!!$
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!!$ case('U')
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!!$ if (.not.present(initu)) then
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!!$ call psb_errpush(psb_err_internal_error_,name,&
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!!$ & a_err='missing initu to smoother_apply')
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!!$ goto 9999
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!!$ end if
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!!$ call psb_geaxpby(done,x,dzero,tx,desc_data,info)
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!!$ call psb_geaxpby(done,initu,dzero,ty,desc_data,info)
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!!$ call psb_spmm(-done,sm%nd,ty,done,tx,desc_data,info,work=aux,trans=trans_)
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!!$ call sm%sv%apply(done,tx,dzero,ty,desc_data,trans_,aux,wv(3:),info,init='Y')
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!!$
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!!$ case default
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!!$ call psb_errpush(psb_err_internal_error_,name,&
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!!$ & a_err='wrong init to smoother_apply')
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!!$ goto 9999
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!!$ end select
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!!$
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!!$ do i=1, sweeps-1
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!!$ !
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!!$ ! Compute Y(j+1) = D^(-1)*(X-ND*Y(j)), where D and ND are the
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!!$ ! block diagonal part and the remaining part of the local matrix
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!!$ ! and Y(j) is the approximate solution at sweep j.
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!!$ !
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!!$ call psb_geaxpby(done,x,dzero,tx,desc_data,info)
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!!$ call psb_spmm(-done,sm%nd,ty,done,tx,desc_data,info,work=aux,trans=trans_)
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!!$
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!!$ if (info /= psb_success_) exit
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!!$
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!!$ call sm%sv%apply(done,tx,dzero,ty,desc_data,trans_,aux,wv(3:),info,init='Y')
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!!$
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!!$ if (info /= psb_success_) exit
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!!$
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!!$ if ( sm%checkres.and.(mod(i,sm%checkiter) == 0) ) then
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!!$ call psb_geaxpby(done,x,dzero,r,r,desc_data,info)
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!!$ call psb_spmm(-done,sm%pa,ty,done,r,desc_data,info)
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!!$ res = psb_genrm2(r,desc_data,info)
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!!$ if( sm%printres ) then
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!!$ call log_conv("BJAC",me,i,sm%printiter,res,resdenum,sm%tol)
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!!$ end if
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!!$ if (res < sm%tol*resdenum ) then
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!!$ if( (sm%printres).and.( mod(sm%printiter,sm%checkiter) /=0 ) ) &
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!!$ & call log_conv("BJAC",me,i,1,res,resdenum,sm%tol)
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!!$ exit
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!!$ end if
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!!$ end if
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!!$
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!!$ end do
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!!$
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!!$ if (info == psb_success_) call psb_geaxpby(alpha,ty,beta,y,desc_data,info)
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!!$
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!!$ if (info /= psb_success_) then
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!!$ info=psb_err_internal_error_
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!!$ call psb_errpush(info,name,&
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!!$ & a_err='subsolve with Jacobi sweeps > 1')
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!!$ goto 9999
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!!$ end if
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!!$
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!!$ end associate
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!!$ end select
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!!$
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!!$ else
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!!$
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!!$ info = psb_err_iarg_neg_
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!!$ call psb_errpush(info,name,&
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!!$ & i_err=(/itwo,sweeps,izero,izero,izero/))
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!!$ goto 9999
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!!$
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!!$ endif
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!!$
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if (.not.(4*n_col <= size(work))) then
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deallocate(aux)
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endif
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!!$ if(sm%checkres) then
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!!$ call psb_gefree(r,desc_data,info)
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!!$ end if
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call psb_erractionrestore(err_act)
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return
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@@ -56,7 +56,7 @@ subroutine amg_d_poly_smoother_bld(a,desc_a,sm,info,amold,vmold,imold)
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type(psb_dspmat_type) :: tmpa
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integer(psb_ipk_) :: n_row,n_col, nrow_a, nztota, nzeros
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type(psb_ctxt_type) :: ctxt
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real(psb_dpk_), allocatable :: da(:), dsv(:)
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real(psb_dpk_), allocatable :: da(:), dsv(:)
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integer(psb_ipk_) :: np, me, i, err_act, debug_unit, debug_level
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character(len=20) :: name='d_poly_smoother_bld', ch_err
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@@ -107,7 +107,7 @@ subroutine amg_d_poly_smoother_bld(a,desc_a,sm,info,amold,vmold,imold)
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end select
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sm%pa => a
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if (.not.allocated(sm%sv)) then
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if (.not.allocated(sm%sv)) then
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info = psb_err_internal_error_
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call psb_errpush(info,name,&
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& a_err='unallocated sm%sv')
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@@ -120,7 +120,7 @@ subroutine amg_d_poly_smoother_bld(a,desc_a,sm,info,amold,vmold,imold)
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goto 9999
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end if
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!!$ if (.false.) then
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!!$ if (.false.) then
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!!$ select type(ssv => sm%sv)
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!!$ class is(amg_d_l1_diag_solver_type)
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!!$ da = a%arwsum(info)
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@@ -128,7 +128,7 @@ subroutine amg_d_poly_smoother_bld(a,desc_a,sm,info,amold,vmold,imold)
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!!$ sm%rho_ba = maxval(da(1:n_row)*dsv(1:n_row))
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!!$ class default
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!!$ write(0,*) 'PolySmoother BUILD: only L1-Jacobi/L1-DIAG for now ',ssv%get_fmt()
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!!$ sm%rho_ba = done
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!!$ sm%rho_ba = done
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!!$ end select
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!!$ else
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if (sm%rho_ba <= dzero) then
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@@ -152,9 +152,9 @@ subroutine amg_d_poly_smoother_bld(a,desc_a,sm,info,amold,vmold,imold)
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call sm%sv%apply_v(done,tt,dzero,tz,desc_a,'NoTrans',work,wv,info) ! z_{k+1} = BA q_k
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do i=1,sm%rho_estimate_iterations
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znrm = psb_genrm2(tz,desc_a,info) ! znrm = |z_k|_2
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call psb_geaxpby((done/znrm),tz,dzero,tq,desc_a,info) ! q_k = z_k/znrm
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call psb_geaxpby((done/znrm),tz,dzero,tq,desc_a,info) ! q_k = z_k/znrm
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call psb_spmm(done,a,tq,dzero,tt,desc_a,info) ! t_{k+1} = BA q_k
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call sm%sv%apply_v(done,tt,dzero,tz,desc_a,'NoTrans',work,wv,info) ! z_{k+1} = B t_{k+1}
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call sm%sv%apply_v(done,tt,dzero,tz,desc_a,'NoTrans',work,wv,info) ! z_{k+1} = B t_{k+1}
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lambda = psb_gedot(tq,tz,desc_a,info) ! lambda = q_k^T z_{k+1} = q_k^T BA q_k
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!write(0,*) 'BLD: lambda estimate ',i,lambda
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end do
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@@ -1,15 +1,15 @@
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!
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!
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!
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!
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! AMG4PSBLAS version 1.0
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! Algebraic Multigrid Package
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! based on PSBLAS (Parallel Sparse BLAS version 3.7)
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!
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! (C) Copyright 2021
|
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!
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! Salvatore Filippone
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! Pasqua D'Ambra
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! Fabio Durastante
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!
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!
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! (C) Copyright 2021
|
||||
!
|
||||
! Salvatore Filippone
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||||
! Pasqua D'Ambra
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! Fabio Durastante
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!
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! Redistribution and use in source and binary forms, with or without
|
||||
! modification, are permitted provided that the following conditions
|
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! are met:
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@@ -21,7 +21,7 @@
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! 3. The name of the AMG4PSBLAS group or the names of its contributors may
|
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! not be used to endorse or promote products derived from this
|
||||
! software without specific written permission.
|
||||
!
|
||||
!
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||||
! 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
|
||||
@@ -33,8 +33,8 @@
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||||
! 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.
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!
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!
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!
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!
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subroutine amg_d_poly_smoother_descr(sm,info,iout,coarse,prefix)
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use psb_base_mod
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@@ -59,13 +59,13 @@ subroutine amg_d_poly_smoother_descr(sm,info,iout,coarse,prefix)
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call psb_erractionsave(err_act)
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info = psb_success_
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if (present(coarse)) then
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if (present(coarse)) then
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coarse_ = coarse
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else
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coarse_ = .false.
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end if
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if (present(iout)) then
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iout_ = iout
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if (present(iout)) then
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iout_ = iout
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else
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iout_ = psb_out_unit
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endif
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@@ -121,13 +121,13 @@ subroutine amg_s_poly_smoother_apply_vect(alpha,sm,x,beta,y,desc_data,trans,&
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call psb_geaxpby(sone,x,szero,r,desc_data,info)
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call tx%zero()
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||||
call ty%zero()
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call tz%zero()
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call tz%zero()
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select case(sm%variant)
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case(amg_poly_lottes_)
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||||
block
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||||
block
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||||
real(psb_spk_) :: cz, cr
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! b == x
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||||
! b == x
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||||
! x == tx
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||||
!
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do i=1, sm%pdegree
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@@ -157,9 +157,9 @@ subroutine amg_s_poly_smoother_apply_vect(alpha,sm,x,beta,y,desc_data,trans,&
|
||||
|
||||
case(amg_poly_lottes_beta_)
|
||||
|
||||
block
|
||||
block
|
||||
real(psb_spk_) :: cz, cr
|
||||
! b == x
|
||||
! b == x
|
||||
! x == tx
|
||||
!
|
||||
if (allocated(sm%poly_beta)) then
|
||||
@@ -196,9 +196,9 @@ subroutine amg_s_poly_smoother_apply_vect(alpha,sm,x,beta,y,desc_data,trans,&
|
||||
end block
|
||||
|
||||
case(amg_poly_new_)
|
||||
block
|
||||
block
|
||||
real(psb_spk_) :: sigma, theta, delta, rho_old, rho
|
||||
! b == x
|
||||
! b == x
|
||||
! x == tx
|
||||
!
|
||||
sm%cf_a = amg_d_poly_a_vect(sm%pdegree)
|
||||
@@ -234,7 +234,7 @@ subroutine amg_s_poly_smoother_apply_vect(alpha,sm,x,beta,y,desc_data,trans,&
|
||||
call psb_abgdxyz((2*rho/delta),(rho*rho_old),sone,sone,r,tz,tx,desc_data,info)
|
||||
end if
|
||||
!!$ res = psb_genrm2(r,desc_data,info)
|
||||
!!$ write(0,*) 'Polynomial smoother ',i,res
|
||||
!!$ write(0,*) 'Polynomial smoother NEW ',i,res
|
||||
! x_k = x_{k-1} + z_k
|
||||
end do
|
||||
end block
|
||||
@@ -257,205 +257,10 @@ subroutine amg_s_poly_smoother_apply_vect(alpha,sm,x,beta,y,desc_data,trans,&
|
||||
end if
|
||||
end associate
|
||||
|
||||
|
||||
|
||||
|
||||
!!$ if ((.not.sm%sv%is_iterative()).and.((sweeps == 1).or.(sm%nd_nnz_tot==0))) then
|
||||
!!$ ! if .not.sv%is_iterative, there's no need to pass init
|
||||
!!$ call sm%sv%apply(alpha,x,beta,y,desc_data,trans_,aux,wv,info)
|
||||
!!$
|
||||
!!$ if (info /= psb_success_) then
|
||||
!!$ call psb_errpush(psb_err_internal_error_,&
|
||||
!!$ & name,a_err='Error in sub_aply Jacobi Sweeps = 1')
|
||||
!!$ goto 9999
|
||||
!!$ endif
|
||||
!!$
|
||||
!!$ else if (sweeps >= 0) then
|
||||
!!$ select type (smsv => sm%sv)
|
||||
!!$ class is (amg_s_diag_solver_type)
|
||||
!!$ !
|
||||
!!$ ! This means we are dealing with a pure Jacobi smoother/solver.
|
||||
!!$ !
|
||||
!!$ associate(tx => wv(1), ty => wv(2))
|
||||
!!$ select case (init_)
|
||||
!!$ case('Z')
|
||||
!!$
|
||||
!!$ call sm%sv%apply(sone,x,szero,ty,desc_data,trans_,aux,wv(3:),info,init='Z')
|
||||
!!$
|
||||
!!$ case('Y')
|
||||
!!$ call psb_geaxpby(sone,x,szero,tx,desc_data,info)
|
||||
!!$ call psb_geaxpby(sone,y,szero,ty,desc_data,info)
|
||||
!!$ call psb_spmm(-sone,sm%pa,ty,sone,tx,desc_data,info,work=aux,trans=trans_)
|
||||
!!$ call sm%sv%apply(sone,tx,szero,ty,desc_data,trans_,aux,wv(3:),info,init='Y')
|
||||
!!$
|
||||
!!$ case('U')
|
||||
!!$ if (.not.present(initu)) then
|
||||
!!$ call psb_errpush(psb_err_internal_error_,name,&
|
||||
!!$ & a_err='missing initu to smoother_apply')
|
||||
!!$ goto 9999
|
||||
!!$ end if
|
||||
!!$ call psb_geaxpby(sone,x,szero,tx,desc_data,info)
|
||||
!!$ call psb_geaxpby(sone,initu,szero,ty,desc_data,info)
|
||||
!!$ call psb_spmm(-sone,sm%pa,ty,sone,tx,desc_data,info,work=aux,trans=trans_)
|
||||
!!$ call sm%sv%apply(sone,tx,szero,ty,desc_data,trans_,aux,wv(3:),info,init='Y')
|
||||
!!$
|
||||
!!$ case default
|
||||
!!$ call psb_errpush(psb_err_internal_error_,name,&
|
||||
!!$ & a_err='wrong init to smoother_apply')
|
||||
!!$ goto 9999
|
||||
!!$ end select
|
||||
!!$
|
||||
!!$ do i=1, sweeps-1
|
||||
!!$ !
|
||||
!!$ ! Compute Y(j+1) = Y(j)+ D^(-1)*(X-A*Y(j)),
|
||||
!!$ ! where is the diagonal and A the matrix.
|
||||
!!$ !
|
||||
!!$ call psb_geaxpby(sone,x,szero,tx,desc_data,info)
|
||||
!!$ call psb_spmm(-sone,sm%pa,ty,sone,tx,desc_data,info,work=aux,trans=trans_)
|
||||
!!$
|
||||
!!$ if (info /= psb_success_) exit
|
||||
!!$
|
||||
!!$ call sm%sv%apply(sone,tx,sone,ty,desc_data,trans_,aux,wv(3:),info,init='Y')
|
||||
!!$
|
||||
!!$ if (info /= psb_success_) exit
|
||||
!!$
|
||||
!!$ if ( sm%checkres.and.(mod(i,sm%checkiter) == 0) ) then
|
||||
!!$ call psb_geaxpby(sone,x,szero,r,r,desc_data,info)
|
||||
!!$ call psb_spmm(-sone,sm%pa,ty,sone,r,desc_data,info)
|
||||
!!$ res = psb_genrm2(r,desc_data,info)
|
||||
!!$ if( sm%printres ) then
|
||||
!!$ call log_conv("BJAC",me,i,sm%printiter,res,resdenum,sm%tol)
|
||||
!!$ end if
|
||||
!!$ if ( res < sm%tol*resdenum ) then
|
||||
!!$ if( (sm%printres).and.(mod(sm%printiter,sm%checkiter)/=0) ) &
|
||||
!!$ & call log_conv("BJAC",me,i,1,res,resdenum,sm%tol)
|
||||
!!$ exit
|
||||
!!$ end if
|
||||
!!$ end if
|
||||
!!$
|
||||
!!$ end do
|
||||
!!$
|
||||
!!$
|
||||
!!$ if (info == psb_success_) call psb_geaxpby(alpha,ty,beta,y,desc_data,info)
|
||||
!!$
|
||||
!!$ if (info /= psb_success_) then
|
||||
!!$ info=psb_err_internal_error_
|
||||
!!$ call psb_errpush(info,name,&
|
||||
!!$ & a_err='subsolve with Jacobi sweeps > 1')
|
||||
!!$ goto 9999
|
||||
!!$ end if
|
||||
!!$
|
||||
!!$
|
||||
!!$ end associate
|
||||
!!$
|
||||
!!$ class default
|
||||
!!$ !
|
||||
!!$ !
|
||||
!!$ ! Apply multiple sweeps of a block-Jacobi solver
|
||||
!!$ ! to compute an approximate solution of a linear system.
|
||||
!!$ !
|
||||
!!$ !
|
||||
!!$ if (size(wv) < 2) then
|
||||
!!$ info = psb_err_internal_error_
|
||||
!!$ call psb_errpush(info,name,&
|
||||
!!$ & a_err='invalid wv size in smoother_apply')
|
||||
!!$ goto 9999
|
||||
!!$ end if
|
||||
!!$ associate(tx => wv(1), ty => wv(2))
|
||||
!!$
|
||||
!!$ !
|
||||
!!$ ! Unroll the first iteration and fold it inside SELECT CASE
|
||||
!!$ ! this will save one AXPBY and one SPMM when INIT=Z, and will be
|
||||
!!$ ! significant when sweeps=1 (a common case)
|
||||
!!$ !
|
||||
!!$ select case (init_)
|
||||
!!$ case('Z')
|
||||
!!$
|
||||
!!$ call sm%sv%apply(sone,x,szero,ty,desc_data,trans_,aux,wv(3:),info,init='Z')
|
||||
!!$
|
||||
!!$ case('Y')
|
||||
!!$ call psb_geaxpby(sone,x,szero,tx,desc_data,info)
|
||||
!!$ call psb_geaxpby(sone,y,szero,ty,desc_data,info)
|
||||
!!$ call psb_spmm(-sone,sm%nd,ty,sone,tx,desc_data,info,work=aux,trans=trans_)
|
||||
!!$ call sm%sv%apply(sone,tx,szero,ty,desc_data,trans_,aux,wv(3:),info,init='Y')
|
||||
!!$
|
||||
!!$ case('U')
|
||||
!!$ if (.not.present(initu)) then
|
||||
!!$ call psb_errpush(psb_err_internal_error_,name,&
|
||||
!!$ & a_err='missing initu to smoother_apply')
|
||||
!!$ goto 9999
|
||||
!!$ end if
|
||||
!!$ call psb_geaxpby(sone,x,szero,tx,desc_data,info)
|
||||
!!$ call psb_geaxpby(sone,initu,szero,ty,desc_data,info)
|
||||
!!$ call psb_spmm(-sone,sm%nd,ty,sone,tx,desc_data,info,work=aux,trans=trans_)
|
||||
!!$ call sm%sv%apply(sone,tx,szero,ty,desc_data,trans_,aux,wv(3:),info,init='Y')
|
||||
!!$
|
||||
!!$ case default
|
||||
!!$ call psb_errpush(psb_err_internal_error_,name,&
|
||||
!!$ & a_err='wrong init to smoother_apply')
|
||||
!!$ goto 9999
|
||||
!!$ end select
|
||||
!!$
|
||||
!!$ do i=1, sweeps-1
|
||||
!!$ !
|
||||
!!$ ! Compute Y(j+1) = D^(-1)*(X-ND*Y(j)), where D and ND are the
|
||||
!!$ ! block diagonal part and the remaining part of the local matrix
|
||||
!!$ ! and Y(j) is the approximate solution at sweep j.
|
||||
!!$ !
|
||||
!!$ call psb_geaxpby(sone,x,szero,tx,desc_data,info)
|
||||
!!$ call psb_spmm(-sone,sm%nd,ty,sone,tx,desc_data,info,work=aux,trans=trans_)
|
||||
!!$
|
||||
!!$ if (info /= psb_success_) exit
|
||||
!!$
|
||||
!!$ call sm%sv%apply(sone,tx,szero,ty,desc_data,trans_,aux,wv(3:),info,init='Y')
|
||||
!!$
|
||||
!!$ if (info /= psb_success_) exit
|
||||
!!$
|
||||
!!$ if ( sm%checkres.and.(mod(i,sm%checkiter) == 0) ) then
|
||||
!!$ call psb_geaxpby(sone,x,szero,r,r,desc_data,info)
|
||||
!!$ call psb_spmm(-sone,sm%pa,ty,sone,r,desc_data,info)
|
||||
!!$ res = psb_genrm2(r,desc_data,info)
|
||||
!!$ if( sm%printres ) then
|
||||
!!$ call log_conv("BJAC",me,i,sm%printiter,res,resdenum,sm%tol)
|
||||
!!$ end if
|
||||
!!$ if (res < sm%tol*resdenum ) then
|
||||
!!$ if( (sm%printres).and.( mod(sm%printiter,sm%checkiter) /=0 ) ) &
|
||||
!!$ & call log_conv("BJAC",me,i,1,res,resdenum,sm%tol)
|
||||
!!$ exit
|
||||
!!$ end if
|
||||
!!$ end if
|
||||
!!$
|
||||
!!$ end do
|
||||
!!$
|
||||
!!$ if (info == psb_success_) call psb_geaxpby(alpha,ty,beta,y,desc_data,info)
|
||||
!!$
|
||||
!!$ if (info /= psb_success_) then
|
||||
!!$ info=psb_err_internal_error_
|
||||
!!$ call psb_errpush(info,name,&
|
||||
!!$ & a_err='subsolve with Jacobi sweeps > 1')
|
||||
!!$ goto 9999
|
||||
!!$ end if
|
||||
!!$
|
||||
!!$ end associate
|
||||
!!$ end select
|
||||
!!$
|
||||
!!$ else
|
||||
!!$
|
||||
!!$ info = psb_err_iarg_neg_
|
||||
!!$ call psb_errpush(info,name,&
|
||||
!!$ & i_err=(/itwo,sweeps,izero,izero,izero/))
|
||||
!!$ goto 9999
|
||||
!!$
|
||||
!!$ endif
|
||||
!!$
|
||||
if (.not.(4*n_col <= size(work))) then
|
||||
deallocate(aux)
|
||||
endif
|
||||
|
||||
!!$ if(sm%checkres) then
|
||||
!!$ call psb_gefree(r,desc_data,info)
|
||||
!!$ end if
|
||||
|
||||
call psb_erractionrestore(err_act)
|
||||
return
|
||||
|
||||
|
||||
@@ -56,7 +56,7 @@ subroutine amg_s_poly_smoother_bld(a,desc_a,sm,info,amold,vmold,imold)
|
||||
type(psb_sspmat_type) :: tmpa
|
||||
integer(psb_ipk_) :: n_row,n_col, nrow_a, nztota, nzeros
|
||||
type(psb_ctxt_type) :: ctxt
|
||||
real(psb_spk_), allocatable :: da(:), dsv(:)
|
||||
real(psb_spk_), allocatable :: da(:), dsv(:)
|
||||
integer(psb_ipk_) :: np, me, i, err_act, debug_unit, debug_level
|
||||
character(len=20) :: name='d_poly_smoother_bld', ch_err
|
||||
|
||||
@@ -107,7 +107,7 @@ subroutine amg_s_poly_smoother_bld(a,desc_a,sm,info,amold,vmold,imold)
|
||||
end select
|
||||
|
||||
sm%pa => a
|
||||
if (.not.allocated(sm%sv)) then
|
||||
if (.not.allocated(sm%sv)) then
|
||||
info = psb_err_internal_error_
|
||||
call psb_errpush(info,name,&
|
||||
& a_err='unallocated sm%sv')
|
||||
@@ -120,7 +120,7 @@ subroutine amg_s_poly_smoother_bld(a,desc_a,sm,info,amold,vmold,imold)
|
||||
goto 9999
|
||||
end if
|
||||
|
||||
!!$ if (.false.) then
|
||||
!!$ if (.false.) then
|
||||
!!$ select type(ssv => sm%sv)
|
||||
!!$ class is(amg_s_l1_diag_solver_type)
|
||||
!!$ da = a%arwsum(info)
|
||||
@@ -128,7 +128,7 @@ subroutine amg_s_poly_smoother_bld(a,desc_a,sm,info,amold,vmold,imold)
|
||||
!!$ sm%rho_ba = maxval(da(1:n_row)*dsv(1:n_row))
|
||||
!!$ class default
|
||||
!!$ write(0,*) 'PolySmoother BUILD: only L1-Jacobi/L1-DIAG for now ',ssv%get_fmt()
|
||||
!!$ sm%rho_ba = sone
|
||||
!!$ sm%rho_ba = sone
|
||||
!!$ end select
|
||||
!!$ else
|
||||
if (sm%rho_ba <= szero) then
|
||||
@@ -152,9 +152,9 @@ subroutine amg_s_poly_smoother_bld(a,desc_a,sm,info,amold,vmold,imold)
|
||||
call sm%sv%apply_v(sone,tt,szero,tz,desc_a,'NoTrans',work,wv,info) ! z_{k+1} = BA q_k
|
||||
do i=1,sm%rho_estimate_iterations
|
||||
znrm = psb_genrm2(tz,desc_a,info) ! znrm = |z_k|_2
|
||||
call psb_geaxpby((sone/znrm),tz,szero,tq,desc_a,info) ! q_k = z_k/znrm
|
||||
call psb_geaxpby((sone/znrm),tz,szero,tq,desc_a,info) ! q_k = z_k/znrm
|
||||
call psb_spmm(sone,a,tq,szero,tt,desc_a,info) ! t_{k+1} = BA q_k
|
||||
call sm%sv%apply_v(sone,tt,szero,tz,desc_a,'NoTrans',work,wv,info) ! z_{k+1} = B t_{k+1}
|
||||
call sm%sv%apply_v(sone,tt,szero,tz,desc_a,'NoTrans',work,wv,info) ! z_{k+1} = B t_{k+1}
|
||||
lambda = psb_gedot(tq,tz,desc_a,info) ! lambda = q_k^T z_{k+1} = q_k^T BA q_k
|
||||
!write(0,*) 'BLD: lambda estimate ',i,lambda
|
||||
end do
|
||||
|
||||
@@ -1,15 +1,15 @@
|
||||
!
|
||||
!
|
||||
!
|
||||
!
|
||||
! AMG4PSBLAS version 1.0
|
||||
! Algebraic Multigrid Package
|
||||
! based on PSBLAS (Parallel Sparse BLAS version 3.7)
|
||||
!
|
||||
! (C) Copyright 2021
|
||||
!
|
||||
! Salvatore Filippone
|
||||
! Pasqua D'Ambra
|
||||
! Fabio Durastante
|
||||
!
|
||||
!
|
||||
! (C) Copyright 2021
|
||||
!
|
||||
! Salvatore Filippone
|
||||
! Pasqua D'Ambra
|
||||
! Fabio Durastante
|
||||
!
|
||||
! Redistribution and use in source and binary forms, with or without
|
||||
! modification, are permitted provided that the following conditions
|
||||
! are met:
|
||||
@@ -21,7 +21,7 @@
|
||||
! 3. The name of the AMG4PSBLAS 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
|
||||
@@ -33,8 +33,8 @@
|
||||
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
! POSSIBILITY OF SUCH DAMAGE.
|
||||
!
|
||||
!
|
||||
!
|
||||
!
|
||||
subroutine amg_s_poly_smoother_descr(sm,info,iout,coarse,prefix)
|
||||
|
||||
use psb_base_mod
|
||||
@@ -59,13 +59,13 @@ subroutine amg_s_poly_smoother_descr(sm,info,iout,coarse,prefix)
|
||||
|
||||
call psb_erractionsave(err_act)
|
||||
info = psb_success_
|
||||
if (present(coarse)) then
|
||||
if (present(coarse)) then
|
||||
coarse_ = coarse
|
||||
else
|
||||
coarse_ = .false.
|
||||
end if
|
||||
if (present(iout)) then
|
||||
iout_ = iout
|
||||
if (present(iout)) then
|
||||
iout_ = iout
|
||||
else
|
||||
iout_ = psb_out_unit
|
||||
endif
|
||||
|
||||
Reference in New Issue
Block a user