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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.
This commit is contained in:
Salvatore Filippone
2007-04-12 11:14:29 +00:00
parent fd22d34830
commit 05a5d8fa37
5 changed files with 36 additions and 45 deletions
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base/modules/psb_psblas_mod.f90
+4 -4
View File
@@ -417,7 +417,7 @@ module psb_psblas_mod
character, optional, intent(in) :: trans, unit
integer, optional, intent(in) :: n, jx, jy
integer, optional, intent(in) :: choice
real(kind(1.d0)), optional, intent(inout),target :: work(:), diag(:)
real(kind(1.d0)), optional, intent(in),target :: work(:), diag(:)
integer, intent(out) :: info
end subroutine psb_dspsm
subroutine psb_dspsv(alpha, t, x, beta, y,&
@@ -432,7 +432,7 @@ module psb_psblas_mod
type(psb_desc_type), intent(in) :: desc_a
character, optional, intent(in) :: trans, unit
integer, optional, intent(in) :: choice
real(kind(1.d0)), optional, intent(inout),target :: work(:), diag(:)
real(kind(1.d0)), optional, intent(in),target :: work(:), diag(:)
integer, intent(out) :: info
end subroutine psb_dspsv
subroutine psb_zspsm(alpha, t, x, beta, y,&
@@ -448,7 +448,7 @@ module psb_psblas_mod
character, optional, intent(in) :: trans, unit
integer, optional, intent(in) :: n, jx, jy
integer, optional, intent(in) :: choice
complex(kind(1.d0)), optional, intent(inout),target :: work(:), diag(:)
complex(kind(1.d0)), optional, intent(in),target :: work(:), diag(:)
integer, intent(out) :: info
end subroutine psb_zspsm
subroutine psb_zspsv(alpha, t, x, beta, y,&
@@ -463,7 +463,7 @@ module psb_psblas_mod
type(psb_desc_type), intent(in) :: desc_a
character, optional, intent(in) :: trans, unit
integer, optional, intent(in) :: choice
complex(kind(1.d0)), optional, intent(inout),target :: work(:), diag(:)
complex(kind(1.d0)), optional, intent(in),target :: work(:), diag(:)
integer, intent(out) :: info
end subroutine psb_zspsv
end interface
base/psblas/psb_dspsm.f90
+12 -12
View File
@@ -72,7 +72,7 @@
! work - real,dimension(:)(optional). Working area.
!
subroutine psb_dspsm(alpha,a,x,beta,y,desc_a,info,&
& trans, unitd, choice, d, k, jx, jy, work)
& trans, unitd, choice, diag, k, jx, jy, work)
use psb_spmat_type
use psb_serial_mod
@@ -91,7 +91,7 @@ subroutine psb_dspsm(alpha,a,x,beta,y,desc_a,info,&
type (psb_dspmat_type), intent(in) :: a
type(psb_desc_type), intent(in) :: desc_a
integer, intent(out) :: info
real(kind(1.d0)), intent(in), optional, target :: d(:)
real(kind(1.d0)), intent(in), optional, target :: diag(:)
real(kind(1.d0)), optional, target :: work(:)
character, intent(in), optional :: trans, unitd
integer, intent(in), optional :: choice
@@ -216,9 +216,9 @@ subroutine psb_dspsm(alpha,a,x,beta,y,desc_a,info,&
iwork(1)=0.d0
if(present(d)) then
lld = size(d)
id => d
if(present(diag)) then
lld = size(diag)
id => diag
else
lld=1
allocate(id(1))
@@ -301,7 +301,7 @@ subroutine psb_dspsm(alpha,a,x,beta,y,desc_a,info,&
end if
if(aliw) deallocate(iwork)
if(.not.present(d)) deallocate(id)
if(.not.present(diag)) deallocate(id)
call psb_erractionrestore(err_act)
return
@@ -379,7 +379,7 @@ end subroutine psb_dspsm
! work - real,dimension(:)(optional). Working area.
!
subroutine psb_dspsv(alpha,a,x,beta,y,desc_a,info,&
& trans, unitd, choice, d, work)
& trans, unitd, choice, diag, work)
use psb_spmat_type
use psb_serial_mod
use psb_descriptor_type
@@ -397,7 +397,7 @@ subroutine psb_dspsv(alpha,a,x,beta,y,desc_a,info,&
type(psb_dspmat_type), intent(in) :: a
type(psb_desc_type), intent(in) :: desc_a
integer, intent(out) :: info
real(kind(1.d0)), intent(in), optional, target :: d(:)
real(kind(1.d0)), intent(in), optional, target :: diag(:)
real(kind(1.d0)), optional, target :: work(:)
character, intent(in), optional :: trans, unitd
integer, intent(in), optional :: choice
@@ -510,9 +510,9 @@ subroutine psb_dspsv(alpha,a,x,beta,y,desc_a,info,&
iwork(1)=0.d0
if (present(d)) then
lld = size(d)
id => d
if (present(diag)) then
lld = size(diag)
id => diag
else
lld=1
allocate(id(1))
@@ -594,7 +594,7 @@ subroutine psb_dspsv(alpha,a,x,beta,y,desc_a,info,&
end if
if (aliw) deallocate(iwork)
if(.not.present(d)) deallocate(id)
if(.not.present(diag)) deallocate(id)
call psb_erractionrestore(err_act)
return
base/psblas/psb_zspsm.f90
+12 -12
View File
@@ -72,7 +72,7 @@
! work - real,dimension(:)(optional). Working area.
!
subroutine psb_zspsm(alpha,a,x,beta,y,desc_a,info,&
& trans, unitd, choice, d, k, jx, jy, work)
& trans, unitd, choice, diag, k, jx, jy, work)
use psb_spmat_type
use psb_serial_mod
@@ -91,7 +91,7 @@ subroutine psb_zspsm(alpha,a,x,beta,y,desc_a,info,&
type (psb_zspmat_type), intent(in) :: a
type(psb_desc_type), intent(in) :: desc_a
integer, intent(out) :: info
complex(kind(1.d0)), intent(in), optional, target :: d(:)
complex(kind(1.d0)), intent(in), optional, target :: diag(:)
complex(kind(1.d0)), optional, target :: work(:)
character, intent(in), optional :: trans, unitd
integer, intent(in), optional :: choice
@@ -219,9 +219,9 @@ subroutine psb_zspsm(alpha,a,x,beta,y,desc_a,info,&
iwork(1)=0.d0
if(present(d)) then
lld = size(d)
id => d
if(present(diag)) then
lld = size(diag)
id => diag
else
lld=1
allocate(id(1))
@@ -304,7 +304,7 @@ subroutine psb_zspsm(alpha,a,x,beta,y,desc_a,info,&
end if
if(aliw) deallocate(iwork)
if(.not.present(d)) deallocate(id)
if(.not.present(diag)) deallocate(id)
call psb_erractionrestore(err_act)
return
@@ -382,7 +382,7 @@ end subroutine psb_zspsm
! work - real,dimension(:)(optional). Working area.
!
subroutine psb_zspsv(alpha,a,x,beta,y,desc_a,info,&
& trans, unitd, choice, d, work)
& trans, unitd, choice, diag, work)
use psb_spmat_type
use psb_serial_mod
use psb_descriptor_type
@@ -400,7 +400,7 @@ subroutine psb_zspsv(alpha,a,x,beta,y,desc_a,info,&
type(psb_zspmat_type), intent(in) :: a
type(psb_desc_type), intent(in) :: desc_a
integer, intent(out) :: info
complex(kind(1.d0)), intent(in), optional, target :: d(:)
complex(kind(1.d0)), intent(in), optional, target :: diag(:)
complex(kind(1.d0)), optional, target :: work(:)
character, intent(in), optional :: trans, unitd
integer, intent(in), optional :: choice
@@ -508,9 +508,9 @@ subroutine psb_zspsv(alpha,a,x,beta,y,desc_a,info,&
iwork(1)=0.d0
if(present(d)) then
lld = size(d)
id => d
if(present(diag)) then
lld = size(diag)
id => diag
else
lld=1
allocate(id(1))
@@ -592,7 +592,7 @@ subroutine psb_zspsv(alpha,a,x,beta,y,desc_a,info,&
end if
if (aliw) deallocate(iwork)
if(.not.present(d)) deallocate(id)
if(.not.present(diag)) deallocate(id)
call psb_erractionrestore(err_act)
return
prec/psb_dbjac_aply.f90
+4 -9
View File
@@ -64,8 +64,6 @@ 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')
@@ -109,20 +107,18 @@ subroutine psb_dbjac_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
case('N','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')
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
@@ -157,4 +153,3 @@ subroutine psb_dbjac_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
return
end subroutine psb_dbjac_aply
prec/psb_zbjac_aply.f90
+4 -8
View File
@@ -64,8 +64,6 @@ 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(trans)
case('N','n')
@@ -109,20 +107,18 @@ subroutine psb_zbjac_aply(alpha,prec,x,beta,y,desc_data,trans,work,info)
case('N','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','t','C','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