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262 lines
8.0 KiB
Fortran
262 lines
8.0 KiB
Fortran
!
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! Parallel Sparse BLAS version 3.5
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! (C) Copyright 2006-2018
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! Salvatore Filippone
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! Alfredo Buttari
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!
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! Redistribution and use in source and binary forms, with or without
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! modification, are permitted provided that the following conditions
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! are met:
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! 1. Redistributions of source code must retain the above copyright
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! notice, this list of conditions and the following disclaimer.
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! 2. Redistributions in binary form must reproduce the above copyright
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! notice, this list of conditions, and the following disclaimer in the
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! documentation and/or other materials provided with the distribution.
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! 3. The name of the PSBLAS group or the names of its contributors may
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! not be used to endorse or promote products derived from this
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! software without specific written permission.
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!
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! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
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! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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! POSSIBILITY OF SUCH DAMAGE.
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!
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!
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! File: psb_cdall.f90
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!
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! Subroutine: psb_cdall
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! Allocate descriptor Outer routine
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!
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subroutine psb_cdall(ctxt, desc, info,mg,ng,parts,&
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& vg,vl,flag,nl,repl,globalcheck,lidx,usehash)
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use psb_desc_mod
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use psb_serial_mod
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use psb_const_mod
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use psb_error_mod
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use psb_penv_mod
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use psb_cd_tools_mod, psb_protect_name => psb_cdall
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use psi_mod
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implicit None
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procedure(psb_parts) :: parts
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integer(psb_lpk_), intent(in) :: mg,ng, vl(:)
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type(psb_ctxt_type), intent(in) :: ctxt
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integer(psb_ipk_), intent(in) :: vg(:), lidx(:),nl
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integer(psb_ipk_), intent(in) :: flag
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logical, intent(in) :: repl, globalcheck,usehash
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integer(psb_ipk_), intent(out) :: info
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type(psb_desc_type), intent(out) :: desc
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optional :: mg,ng,parts,vg,vl,flag,nl,repl, globalcheck,lidx, usehash
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interface
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subroutine psb_cdals(m, n, parts, ctxt, desc, info)
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use psb_desc_mod
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procedure(psb_parts) :: parts
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integer(psb_lpk_), intent(in) :: m,n
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type(psb_ctxt_type), intent(in) :: ctxt
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Type(psb_desc_type), intent(out) :: desc
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_cdals
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subroutine psb_cdalv(v, ctxt, desc, info, flag)
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use psb_desc_mod
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type(psb_ctxt_type), intent(in) :: ctxt
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integer(psb_ipk_), intent(in) :: v(:)
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integer(psb_ipk_), intent(in), optional :: flag
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integer(psb_ipk_), intent(out) :: info
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Type(psb_desc_type), intent(out) :: desc
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end subroutine psb_cdalv
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subroutine psb_cd_inloc(v, ctxt, desc, info, globalcheck,idx, usehash)
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use psb_desc_mod
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implicit None
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type(psb_ctxt_type), intent(in) :: ctxt
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integer(psb_lpk_), intent(in) :: v(:)
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integer(psb_ipk_), intent(out) :: info
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type(psb_desc_type), intent(out) :: desc
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logical, intent(in), optional :: globalcheck, usehash
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integer(psb_ipk_), intent(in), optional :: idx(:)
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end subroutine psb_cd_inloc
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subroutine psb_cdrep(m, ctxt, desc,info)
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use psb_desc_mod
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integer(psb_lpk_), intent(in) :: m
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type(psb_ctxt_type), intent(in) :: ctxt
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Type(psb_desc_type), intent(out) :: desc
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_cdrep
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end interface
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character(len=20) :: name
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integer(psb_ipk_) :: err_act, flag_, i, me, np, nnv, lr
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integer(psb_lpk_) :: n_, nlp
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logical :: usehash_
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integer(psb_ipk_), allocatable :: itmpv(:)
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integer(psb_lpk_), allocatable :: lvl(:)
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logical, parameter :: timings=.false.
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real(psb_dpk_) :: t0, t1
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if (psb_get_errstatus() /= 0) return
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info=psb_success_
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name = 'psb_cdall'
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call psb_erractionsave(err_act)
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if (timings) t0 = psb_wtime()
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call psb_info(ctxt, me, np)
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if (count((/ present(vg),present(vl),&
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& present(parts),present(nl), present(repl) /)) < 1) then
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!
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! Allocate a NULL descriptor, its only role is to
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! store a CTXT for future reference
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!
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allocate(psb_indx_map :: desc%indxmap, stat=info)
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call desc%indxmap%init_null(ctxt,info)
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if (info /= 0) goto 9999
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goto 9998
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endif
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desc%base_desc => null()
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if (allocated(desc%indxmap)) then
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write(0,*) 'Allocated on an intent(OUT) var?'
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end if
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if (present(parts)) then
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if (.not.present(mg)) then
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info=psb_err_no_optional_arg_
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call psb_errpush(info,name)
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goto 9999
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end if
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if (present(ng)) then
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n_ = ng
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else
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n_ = mg
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endif
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call psb_cdals(mg, n_, parts, ctxt, desc, info)
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else if (present(repl)) then
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if (.not.present(mg)) then
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info=psb_err_no_optional_arg_
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call psb_errpush(info,name)
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goto 9999
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end if
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if (.not.repl) then
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info=psb_err_no_optional_arg_
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call psb_errpush(info,name)
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goto 9999
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end if
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call psb_cdrep(mg, ctxt, desc, info)
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else if (present(vg)) then
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if (present(flag)) then
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flag_=flag
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else
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flag_=0
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endif
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if (present(mg)) then
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nnv = min(mg,size(vg))
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else
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nnv = size(vg)
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end if
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call psb_cdalv(vg(1:nnv), ctxt, desc, info, flag=flag_)
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else if (present(vl)) then
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if (present(nl)) then
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nnv = min(nl,size(vl))
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else
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nnv = size(vl)
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end if
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call psb_cd_inloc(vl(1:nnv),ctxt,desc,info, globalcheck=globalcheck,idx=lidx)
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else if (present(nl)) then
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if (present(usehash)) then
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usehash_ = usehash
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else
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usehash_ = .false.
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end if
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if (usehash_) then
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nlp = nl
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call psb_exscan_sum(ctxt,nlp)
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lvl = [ (i,i=1,nl) ] + nlp
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call psb_cd_inloc(lvl(1:nl),ctxt,desc,info, globalcheck=.false.)
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else
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if (np == 1) then
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allocate(psb_repl_map :: desc%indxmap, stat=info)
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else
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allocate(psb_gen_block_map :: desc%indxmap, stat=info)
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end if
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if (info == psb_success_) then
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select type(aa => desc%indxmap)
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type is (psb_repl_map)
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n_ = nl
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call aa%repl_map_init(ctxt,n_,info)
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type is (psb_gen_block_map)
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call aa%gen_block_map_init(ctxt,nl,info)
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class default
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! This cannot happen
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info = psb_err_internal_error_
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goto 9999
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end select
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end if
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end if
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call psb_realloc(1,itmpv, info)
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if (info /= 0) then
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write(0,*) 'Error reallocating itmspz'
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goto 9999
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end if
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itmpv(:) = -1
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call psi_bld_tmpovrl(itmpv,desc,info)
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endif
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if (info /= psb_success_) goto 9999
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if (timings) then
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t1 = psb_wtime()
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write(0,*) name,' 1st phase:',t1-t0
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t0 = psb_wtime()
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end if
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! Finish off
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lr = desc%indxmap%get_lr()
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call psb_realloc(max(1,lr/2),desc%halo_index, info)
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if (info == psb_success_) call psb_realloc(1,desc%ext_index, info)
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if (info /= psb_success_) then
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info=psb_err_from_subroutine_
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call psb_errpush(info,name,a_err='psb_realloc')
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Goto 9999
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end if
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desc%halo_index(:) = -1
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desc%ext_index(:) = -1
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call psb_cd_set_bld(desc,info)
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if (info /= psb_success_) goto 9999
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if (timings) then
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t1 = psb_wtime()
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write(0,*) name,' 2nd phase:',t1-t0
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t0 = psb_wtime()
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end if
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9998 continue
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call psb_erractionrestore(err_act)
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return
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9999 call psb_error_handler(ctxt,err_act)
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return
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end subroutine psb_cdall
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