!!$ !!$ Parallel Sparse BLAS v2.0 !!$ (C) Copyright 2006 Salvatore Filippone University of Rome Tor Vergata !!$ Alfredo Buttari University of Rome Tor Vergata !!$ !!$ Redistribution and use in source and binary forms, with or without !!$ modification, are permitted provided that the following conditions !!$ are met: !!$ 1. Redistributions of source code must retain the above copyright !!$ notice, this list of conditions and the following disclaimer. !!$ 2. Redistributions in binary form must reproduce the above copyright !!$ notice, this list of conditions, and the following disclaimer in the !!$ documentation and/or other materials provided with the distribution. !!$ 3. The name of the PSBLAS 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 !!$ PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS !!$ BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR !!$ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF !!$ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS !!$ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN !!$ 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. !!$ !!$ module psi_mod interface subroutine psi_compute_size(desc_data,& & index_in, dl_lda, info) integer :: info, dl_lda integer :: desc_data(:), index_in(:) end subroutine psi_compute_size end interface interface subroutine psi_crea_bnd_elem(bndel,desc_a,info) use psb_descriptor_type integer, allocatable :: bndel(:) type(psb_desc_type), intent(in) :: desc_a integer, intent(out) :: info end subroutine psi_crea_bnd_elem end interface interface subroutine psi_crea_index(desc_a,index_in,index_out,glob_idx,nxch,nsnd,nrcv,info) use psb_descriptor_type type(psb_desc_type), intent(in) :: desc_a integer, intent(out) :: info,nxch,nsnd,nrcv integer, intent(in) :: index_in(:) integer, allocatable, intent(inout) :: index_out(:) logical :: glob_idx end subroutine psi_crea_index end interface interface subroutine psi_crea_ovr_elem(desc_overlap,ovr_elem,info) integer :: desc_overlap(:) integer, allocatable, intent(inout) :: ovr_elem(:) integer, intent(out) :: info end subroutine psi_crea_ovr_elem end interface interface subroutine psi_desc_index(desc,index_in,dep_list,& & length_dl,nsnd,nrcv,desc_index,isglob_in,info) use psb_descriptor_type type(psb_desc_type) :: desc integer :: index_in(:),dep_list(:) integer,allocatable, intent(inout) :: desc_index(:) integer :: length_dl,nsnd,nrcv,info logical :: isglob_in end subroutine psi_desc_index end interface interface subroutine psi_dl_check(dep_list,dl_lda,np,length_dl) integer :: np,dl_lda,length_dl(0:np) integer :: dep_list(dl_lda,0:np) end subroutine psi_dl_check end interface interface subroutine psi_sort_dl(dep_list,l_dep_list,np,info) integer :: np,dep_list(:,:), l_dep_list(:), info end subroutine psi_sort_dl end interface interface psi_swapdata subroutine psi_dswapdatam(flag,n,beta,y,desc_a,work,info,data) use psb_descriptor_type integer, intent(in) :: flag, n integer, intent(out) :: info real(kind(1.d0)) :: y(:,:), beta real(kind(1.d0)),target :: work(:) type(psb_desc_type), target :: desc_a integer, optional :: data end subroutine psi_dswapdatam subroutine psi_dswapdatav(flag,beta,y,desc_a,work,info,data) use psb_descriptor_type integer, intent(in) :: flag integer, intent(out) :: info real(kind(1.d0)) :: y(:), beta real(kind(1.d0)),target :: work(:) type(psb_desc_type), target :: desc_a integer, optional :: data end subroutine psi_dswapdatav subroutine psi_iswapdatam(flag,n,beta,y,desc_a,work,info,data) use psb_descriptor_type integer, intent(in) :: flag, n integer, intent(out) :: info integer :: y(:,:), beta integer, target :: work(:) type(psb_desc_type), target :: desc_a integer, optional :: data end subroutine psi_iswapdatam subroutine psi_iswapdatav(flag,beta,y,desc_a,work,info,data) use psb_descriptor_type integer, intent(in) :: flag integer, intent(out) :: info integer :: y(:), beta integer, target :: work(:) type(psb_desc_type), target :: desc_a integer, optional :: data end subroutine psi_iswapdatav subroutine psi_zswapdatam(flag,n,beta,y,desc_a,work,info,data) use psb_descriptor_type integer, intent(in) :: flag, n integer, intent(out) :: info complex(kind(1.d0)) :: y(:,:), beta complex(kind(1.d0)),target :: work(:) type(psb_desc_type), target :: desc_a integer, optional :: data end subroutine psi_zswapdatam subroutine psi_zswapdatav(flag,beta,y,desc_a,work,info,data) use psb_descriptor_type integer, intent(in) :: flag integer, intent(out) :: info complex(kind(1.d0)) :: y(:), beta complex(kind(1.d0)),target :: work(:) type(psb_desc_type), target :: desc_a integer, optional :: data end subroutine psi_zswapdatav end interface interface psi_swaptran subroutine psi_dswaptranm(flag,n,beta,y,desc_a,work,info) use psb_descriptor_type integer, intent(in) :: flag, n integer, intent(out) :: info real(kind(1.d0)) :: y(:,:), beta real(kind(1.d0)),target :: work(:) type(psb_desc_type), target :: desc_a end subroutine psi_dswaptranm subroutine psi_dswaptranv(flag,beta,y,desc_a,work,info) use psb_descriptor_type integer, intent(in) :: flag integer, intent(out) :: info real(kind(1.d0)) :: y(:), beta real(kind(1.d0)),target :: work(:) type(psb_desc_type), target :: desc_a end subroutine psi_dswaptranv subroutine psi_iswaptranm(flag,n,beta,y,desc_a,work,info) use psb_descriptor_type integer, intent(in) :: flag, n integer, intent(out) :: info integer :: y(:,:), beta integer,target :: work(:) type(psb_desc_type), target :: desc_a end subroutine psi_iswaptranm subroutine psi_iswaptranv(flag,beta,y,desc_a,work,info) use psb_descriptor_type integer, intent(in) :: flag integer, intent(out) :: info integer :: y(:), beta integer,target :: work(:) type(psb_desc_type), target :: desc_a end subroutine psi_iswaptranv subroutine psi_zswaptranm(flag,n,beta,y,desc_a,work,info) use psb_descriptor_type integer, intent(in) :: flag, n integer, intent(out) :: info complex(kind(1.d0)) :: y(:,:), beta complex(kind(1.d0)),target :: work(:) type(psb_desc_type), target :: desc_a end subroutine psi_zswaptranm subroutine psi_zswaptranv(flag,beta,y,desc_a,work,info) use psb_descriptor_type integer, intent(in) :: flag integer, intent(out) :: info complex(kind(1.d0)) :: y(:), beta complex(kind(1.d0)),target :: work(:) type(psb_desc_type), target :: desc_a end subroutine psi_zswaptranv end interface interface psi_cnv_dsc module procedure psi_cnv_dsc end interface interface psi_inner_cnv module procedure psi_inner_cnv1, psi_inner_cnv2 end interface interface subroutine psi_extract_dep_list(desc_data,desc_str,dep_list,& & length_dl,np,dl_lda,mode,info) integer :: np,dl_lda,mode, info integer :: desc_str(*),desc_data(*),dep_list(dl_lda,0:np),length_dl(0:np) end subroutine psi_extract_dep_list end interface interface psi_fnd_owner subroutine psi_fnd_owner(nv,idx,iprc,desc,info) use psb_descriptor_type integer, intent(in) :: nv integer, intent(in) :: idx(:) integer, allocatable, intent(out) :: iprc(:) type(psb_desc_type), intent(in) :: desc integer, intent(out) :: info end subroutine psi_fnd_owner end interface interface psi_ldsc_pre_halo subroutine psi_ldsc_pre_halo(desc,ext_hv,info) use psb_descriptor_type type(psb_desc_type), intent(inout) :: desc logical, intent(in) :: ext_hv integer, intent(out) :: info end subroutine psi_ldsc_pre_halo end interface interface psi_idx_cnv subroutine psi_idx_cnv1(nv,idxin,desc,info,mask,owned) use psb_descriptor_type integer, intent(in) :: nv integer, intent(inout) :: idxin(:) type(psb_desc_type), intent(in) :: desc integer, intent(out) :: info logical, intent(in), optional, target :: mask(:) logical, intent(in), optional :: owned end subroutine psi_idx_cnv1 subroutine psi_idx_cnv2(nv,idxin,idxout,desc,info,mask,owned) use psb_descriptor_type integer, intent(in) :: nv, idxin(:) integer, intent(out) :: idxout(:) type(psb_desc_type), intent(in) :: desc integer, intent(out) :: info logical, intent(in), optional, target :: mask(:) logical, intent(in), optional :: owned end subroutine psi_idx_cnv2 subroutine psi_idx_cnvs(idxin,idxout,desc,info,mask,owned) use psb_descriptor_type integer, intent(in) :: idxin integer, intent(out) :: idxout type(psb_desc_type), intent(in) :: desc integer, intent(out) :: info logical, intent(in), optional, target :: mask logical, intent(in), optional :: owned end subroutine psi_idx_cnvs end interface interface psi_idx_ins_cnv subroutine psi_idx_ins_cnv1(nv,idxin,desc,info,mask) use psb_descriptor_type integer, intent(in) :: nv integer, intent(inout) :: idxin(:) type(psb_desc_type), intent(inout) :: desc integer, intent(out) :: info logical, intent(in), optional, target :: mask(:) end subroutine psi_idx_ins_cnv1 subroutine psi_idx_ins_cnv2(nv,idxin,idxout,desc,info,mask) use psb_descriptor_type integer, intent(in) :: nv, idxin(:) integer, intent(out) :: idxout(:) type(psb_desc_type), intent(inout) :: desc integer, intent(out) :: info logical, intent(in), optional, target :: mask(:) end subroutine psi_idx_ins_cnv2 subroutine psi_idx_ins_cnvs(idxin,idxout,desc,info,mask) use psb_descriptor_type integer, intent(in) :: idxin integer, intent(out) :: idxout type(psb_desc_type), intent(inout) :: desc integer, intent(out) :: info logical, intent(in), optional, target :: mask end subroutine psi_idx_ins_cnvs end interface contains subroutine psi_cnv_dsc(halo_in,ovrlap_in,ext_in,cdesc, info) use psb_const_mod use psb_error_mod use psb_penv_mod use psb_descriptor_type use psb_realloc_mod implicit none ! ....scalars parameters.... integer, intent(in) :: halo_in(:), ovrlap_in(:),ext_in(:) type(psb_desc_type), intent(inout) :: cdesc integer, intent(out) :: info ! ....local scalars.... integer :: i,np,me,proc, max_index integer :: ictxt, err_act,nxch,nsnd,nrcv ! ...local array... integer :: int_err(5) integer, allocatable :: idx_out(:) ! ...parameters logical, parameter :: debug=.false. character(len=20) :: name name='psi_bld_cdesc' call psb_get_erraction(err_act) info = 0 ictxt = cdesc%matrix_data(psb_ctxt_) call psb_info(ictxt,me,np) if (np == -1) then info = 2010 call psb_errpush(info,name) goto 9999 endif ! first the halo index if (debug) write(0,*) me,'Calling crea_index on halo' call psi_crea_index(cdesc,halo_in, idx_out,.false.,nxch,nsnd,nrcv,info) if(info /= 0) then call psb_errpush(4010,name,a_err='psi_crea_index') goto 9999 end if call psb_transfer(idx_out,cdesc%halo_index,info) cdesc%matrix_data(psb_thal_xch_) = nxch cdesc%matrix_data(psb_thal_snd_) = nsnd cdesc%matrix_data(psb_thal_rcv_) = nrcv if (debug) write(0,*) me,'Done crea_index on halo' if (debug) write(0,*) me,'Calling crea_index on ext' ! then ext index if (debug) write(0,*) me,'Calling crea_index on ext' call psi_crea_index(cdesc,ext_in, idx_out,.false.,nxch,nsnd,nrcv,info) if(info /= 0) then call psb_errpush(4010,name,a_err='psi_crea_index') goto 9999 end if call psb_transfer(idx_out,cdesc%ext_index,info) cdesc%matrix_data(psb_text_xch_) = nxch cdesc%matrix_data(psb_text_snd_) = nsnd cdesc%matrix_data(psb_text_rcv_) = nrcv if (debug) write(0,*) me,'Done crea_index on ext' if (debug) write(0,*) me,'Calling crea_index on ovrlap' ! then the overlap index call psi_crea_index(cdesc,ovrlap_in, idx_out,.true.,nxch,nsnd,nrcv,info) if(info /= 0) then call psb_errpush(4010,name,a_err='psi_crea_index') goto 9999 end if call psb_transfer(idx_out,cdesc%ovrlap_index,info) if(info /= 0) then call psb_errpush(4010,name,a_err='psb_transfer') goto 9999 end if cdesc%matrix_data(psb_tovr_xch_) = nxch cdesc%matrix_data(psb_tovr_snd_) = nsnd cdesc%matrix_data(psb_tovr_rcv_) = nrcv if (debug) write(0,*) me,'Calling crea_ovr_elem' ! next ovrlap_elem call psi_crea_ovr_elem(cdesc%ovrlap_index,cdesc%ovrlap_elem,info) if (debug) write(0,*) me,'Done crea_ovr_elem' if(info /= 0) then call psb_errpush(4010,name,a_err='psi_crea_ovr_elem') goto 9999 end if ! finally bnd_elem call psi_crea_bnd_elem(idx_out,cdesc,info) if (info == 0) call psb_transfer(idx_out,cdesc%bnd_elem,info) if(info /= 0) then call psb_errpush(4010,name,a_err='psi_crea_bnd_elem') goto 9999 end if if (debug) write(0,*) me,'Done crea_bnd_elem' call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error(ictxt) return end if return end subroutine psi_cnv_dsc subroutine psi_inner_cnv1(n,x,hashsize,hashmask,hashv,glb_lc) integer, intent(in) :: n, hashsize,hashmask,hashv(0:),glb_lc(:,:) integer, intent(inout) :: x(:) integer :: i, ih, key, idx,nh,tmp,lb,ub,lm do i=1, n key = x(i) ih = iand(key,hashmask) idx = hashv(ih) nh = hashv(ih+1) - hashv(ih) if (nh > 0) then tmp = -1 lb = idx ub = idx+nh-1 do if (lb>ub) exit lm = (lb+ub)/2 if (key==glb_lc(lm,1)) then tmp = lm exit else if (key 0) then x(i) = glb_lc(tmp,2) else x(i) = tmp end if end do end subroutine psi_inner_cnv1 subroutine psi_inner_cnv2(n,x,y,hashsize,hashmask,hashv,glb_lc) integer, intent(in) :: n, hashsize,hashmask,hashv(0:),glb_lc(:,:) integer, intent(in) :: x(:) integer, intent(out) :: y(:) integer :: i, ih, key, idx,nh,tmp,lb,ub,lm do i=1, n key = x(i) ih = iand(key,hashmask) if (ih > ubound(hashv,1) ) then write(0,*) ' In inner cnv: ',ih,ubound(hashv) end if idx = hashv(ih) nh = hashv(ih+1) - hashv(ih) if (nh > 0) then tmp = -1 lb = idx ub = idx+nh-1 do if (lb>ub) exit lm = (lb+ub)/2 if (key==glb_lc(lm,1)) then tmp = lm exit else if (key 0) then y(i) = glb_lc(tmp,2) else y(i) = tmp end if end do end subroutine psi_inner_cnv2 end module psi_mod