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Fixed application of Block-Jacobi preconditioner, folding diagonal

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scale back into the serial sparse BLAS where it belongs.
stopcriterion
Salvatore Filippone 18 years ago
parent 4b51f9c0fe
commit e43c074b03
2 changed files with 25 additions and 37 deletions
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46
psb_dbjac_aply.f90
Unescape Escape View File

@ -71,12 +71,9 @@ subroutine psb_dbjac_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
ictxt=psb_cd_get_context(desc_data)
call psb_info(ictxt, me, np)
diagl='U'
diagu='U'
select case(trans)
case('N','n')
case('T','t','C','c')
select case(toupper(trans))
case('N')
case('T','C')
case default
call psb_errpush(40,name)
goto 9999
@ -115,24 +112,22 @@ subroutine psb_dbjac_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
select case(prec%iprcparm(f_type_))
case(f_ilu_n_,f_ilu_e_)
select case(trans)
case('N','n')
select case(toupper(trans))
case('N')
call psb_spsm(done,prec%av(l_pr_),x,dzero,ww,desc_data,info,&
& trans='N',unit=diagl,choice=psb_none_,work=aux)
& trans='N',unit='L',diag=prec%d,choice=psb_none_,work=aux)
if(info /=0) goto 9999
ww(1:n_row) = ww(1:n_row)*prec%d(1:n_row)
call psb_spsm(alpha,prec%av(u_pr_),ww,beta,y,desc_data,info,&
& trans='N',unit=diagu,choice=psb_none_, work=aux)
& trans='N',unit='U',choice=psb_none_, work=aux)
if(info /=0) goto 9999
case('T','t','C','c')
case('T','C')
call psb_spsm(done,prec%av(u_pr_),x,dzero,ww,desc_data,info,&
& trans=trans,unit=diagu,choice=psb_none_, work=aux)
& trans=trans,unit='L',diag=prec%d,choice=psb_none_,work=aux)
if(info /=0) goto 9999
ww(1:n_row) = ww(1:n_row)*prec%d(1:n_row)
call psb_spsm(alpha,prec%av(l_pr_),ww,beta,y,desc_data,info,&
& trans=trans,unit=diagl,choice=psb_none_,work=aux)
& trans=trans,unit='U',choice=psb_none_,work=aux)
if(info /=0) goto 9999
end select
@ -141,10 +136,10 @@ subroutine psb_dbjac_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
ww(1:n_row) = x(1:n_row)
select case(trans)
case('N','n')
select case(toupper(trans))
case('N')
call psb_dslu_solve(0,n_row,1,ww,n_row,prec%iprcparm(slu_ptr_),info)
case('T','t','C','c')
case('T','C')
call psb_dslu_solve(1,n_row,1,ww,n_row,prec%iprcparm(slu_ptr_),info)
end select
@ -156,10 +151,10 @@ subroutine psb_dbjac_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
!!$ write(0,*) 'Calling SLUDist_solve ',n_row
ww(1:n_row) = x(1:n_row)
select case(trans)
case('N','n')
select case(toupper(trans))
case('N')
call psb_dsludist_solve(0,n_row,1,ww,n_row,prec%iprcparm(slud_ptr_),info)
case('T','t','C','c')
case('T','C')
call psb_dsludist_solve(1,n_row,1,ww,n_row,prec%iprcparm(slud_ptr_),info)
end select
@ -169,10 +164,10 @@ subroutine psb_dbjac_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
case (f_umf_)
select case(trans)
case('N','n')
select case(toupper(trans))
case('N')
call psb_dumf_solve(0,n_row,ww,x,n_row,prec%iprcparm(umf_numptr_),info)
case('T','t','C','c')
case('T','C')
call psb_dumf_solve(1,n_row,ww,x,n_row,prec%iprcparm(umf_numptr_),info)
end select
@ -212,9 +207,8 @@ subroutine psb_dbjac_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
if(info /=0) goto 9999
call psb_spsm(done,prec%av(l_pr_),ty,dzero,ww,&
& prec%desc_data,info,&
& trans='N',unit='U',choice=psb_none_,work=aux)
& trans='N',unit='L',diag=prec%d,choice=psb_none_,work=aux)
if(info /=0) goto 9999
ww(1:n_row) = ww(1:n_row)*prec%d(1:n_row)
call psb_spsm(done,prec%av(u_pr_),ww,dzero,tx,&
& prec%desc_data,info,&
& trans='N',unit='U',choice=psb_none_,work=aux)

16
psb_zbjac_aply.f90
Unescape Escape View File

@ -71,9 +71,6 @@ subroutine psb_zbjac_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
ictxt=psb_cd_get_context(desc_data)
call psb_info(ictxt, me, np)
diagl='U'
diagu='U'
select case(toupper(trans))
case('N')
case('T','C')
@ -117,20 +114,18 @@ subroutine psb_zbjac_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
case('N')
call psb_spsm(zone,prec%av(l_pr_),x,zzero,ww,desc_data,info,&
& trans='N',unit=diagl,choice=psb_none_,work=aux)
& trans='N',unit='L',diag=prec%d,choice=psb_none_,work=aux)
if(info /=0) goto 9999
ww(1:n_row) = ww(1:n_row)*prec%d(1:n_row)
call psb_spsm(alpha,prec%av(u_pr_),ww,beta,y,desc_data,info,&
& trans='N',unit=diagu,choice=psb_none_, work=aux)
& trans='N',unit='U',choice=psb_none_, work=aux)
if(info /=0) goto 9999
case('T','C')
call psb_spsm(zone,prec%av(u_pr_),x,zzero,ww,desc_data,info,&
& trans=trans,unit=diagu,choice=psb_none_, work=aux)
& trans=trans,unit='L',diag=prec%d,choice=psb_none_, work=aux)
if(info /=0) goto 9999
ww(1:n_row) = ww(1:n_row)*prec%d(1:n_row)
call psb_spsm(alpha,prec%av(l_pr_),ww,beta,y,desc_data,info,&
& trans=trans,unit=diagl,choice=psb_none_,work=aux)
& trans=trans,unit='U',choice=psb_none_,work=aux)
if(info /=0) goto 9999
end select
@ -216,9 +211,8 @@ subroutine psb_zbjac_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
if(info /=0) goto 9999
call psb_spsm(zone,prec%av(l_pr_),ty,zzero,ww,&
& prec%desc_data,info,&
& trans='N',unit='U',choice=psb_none_,work=aux)
& trans='N',unit='L',diag=prec%d,choice=psb_none_,work=aux)
if(info /=0) goto 9999
ww(1:n_row) = ww(1:n_row)*prec%d(1:n_row)
call psb_spsm(zone,prec%av(u_pr_),ww,zzero,tx,&
& prec%desc_data,info,&
& trans='N',unit='U',choice=psb_none_,work=aux)

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