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psblas3/base/comm/psb_sovrl.f90

401 lines
13 KiB
Fortran

psblas2-dev: Make.inc.in README base/comm/Makefile base/comm/psb_cgather.f90 base/comm/psb_chalo.f90 base/comm/psb_covrl.f90 base/comm/psb_sgather.f90 base/comm/psb_shalo.f90 base/comm/psb_sovrl.f90 base/internals/Makefile base/internals/psi_cswapdata.F90 base/internals/psi_cswaptran.F90 base/internals/psi_sswapdata.F90 base/internals/psi_sswaptran.F90 base/modules/Makefile base/modules/psb_blacs_mod.f90 base/modules/psb_comm_mod.f90 base/modules/psb_const_mod.f90 base/modules/psb_error_mod.F90 base/modules/psb_inter_desc_type.f90 base/modules/psb_penv_mod.F90 base/modules/psb_psblas_mod.f90 base/modules/psb_realloc_mod.F90 base/modules/psb_serial_mod.f90 base/modules/psb_sort_mod.f90 base/modules/psb_spmat_type.f90 base/modules/psb_spsb_mod.f90 base/modules/psb_string_mod.f90 base/modules/psb_tools_mod.f90 base/modules/psi_mod.f90 base/modules/psi_serial_mod.f90 base/psblas/Makefile base/psblas/psb_camax.f90 base/psblas/psb_casum.f90 base/psblas/psb_caxpby.f90 base/psblas/psb_cdot.f90 base/psblas/psb_cnrm2.f90 base/psblas/psb_cnrmi.f90 base/psblas/psb_cspmm.f90 base/psblas/psb_cspsm.f90 base/psblas/psb_dnrmi.f90 base/psblas/psb_samax.f90 base/psblas/psb_sasum.f90 base/psblas/psb_saxpby.f90 base/psblas/psb_sdot.f90 base/psblas/psb_snrm2.f90 base/psblas/psb_snrmi.f90 base/psblas/psb_sspmm.f90 base/psblas/psb_sspsm.f90 base/psblas/psb_sxdot.f90 base/psblas/psb_zaxpby.f90 base/psblas/psb_znrmi.f90 base/psblas/pstreecomb.F base/serial/Makefile base/serial/aux/Makefile base/serial/aux/cacmp_mod.f90 base/serial/aux/calcmp_mod.f90 base/serial/aux/calsr.f90 base/serial/aux/calsrx.f90 base/serial/aux/camsort_dw.f90 base/serial/aux/camsort_up.f90 base/serial/aux/camsr.f90 base/serial/aux/camsrx.f90 base/serial/aux/casr.f90 base/serial/aux/casrx.f90 base/serial/aux/clcmp_mod.f90 base/serial/aux/clsr.f90 base/serial/aux/clsrx.f90 base/serial/aux/sasr.f90 base/serial/aux/sasrx.f90 base/serial/aux/smsort_dw.f90 base/serial/aux/smsort_up.f90 base/serial/aux/smsr.f90 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base/serial/csr/scsrmv3.f base/serial/csr/scsrmv4.f base/serial/csr/scsrsm.f base/serial/csr/scsrsv.f base/serial/csr/zcrnrmi.f base/serial/csr/zcsrck.f base/serial/csr/zcsrmm.f base/serial/csr/zcsrrws.f base/serial/csr/zcsrsm.f base/serial/csr/zsrmv.f base/serial/csr/zsrsv.f base/serial/dp/Makefile base/serial/dp/ccoco.f base/serial/dp/ccocr.f base/serial/dp/ccrco.f base/serial/dp/ccrcr.f base/serial/dp/ccrjd.f base/serial/dp/cgind_tri.f base/serial/dp/cgindex.f base/serial/dp/reordvn.f base/serial/dp/scoco.f base/serial/dp/scocr.f base/serial/dp/scrco.f base/serial/dp/scrcr.f base/serial/dp/scrjd.f base/serial/dp/sgind_tri.f base/serial/dp/sgindex.f base/serial/f77/Makefile base/serial/f77/caxpby.f base/serial/f77/ccsmm.f base/serial/f77/ccsnmi.f base/serial/f77/ccsrws.f base/serial/f77/ccssm.f base/serial/f77/cgelp.f base/serial/f77/clpupd.f base/serial/f77/cswmm.f base/serial/f77/cswsm.f base/serial/f77/daxpby.f base/serial/f77/dcsmm.f base/serial/f77/dcsnmi.f base/serial/f77/dcsrp.f base/serial/f77/dcsrws.f base/serial/f77/dcssm.f base/serial/f77/dgelp.f base/serial/f77/dlpupd.f base/serial/f77/dswmm.f base/serial/f77/dswsm.f base/serial/f77/saxpby.f base/serial/f77/scsmm.f base/serial/f77/scsnmi.f base/serial/f77/scsrws.f base/serial/f77/scssm.f base/serial/f77/sgelp.f base/serial/f77/slpupd.f base/serial/f77/smmp.f base/serial/f77/sswmm.f base/serial/f77/sswsm.f base/serial/f77/zcsmm.f base/serial/f77/zcsnmi.f base/serial/f77/zcsrws.f base/serial/f77/zcssm.f base/serial/f77/zgelp.f base/serial/f77/zlpupd.f base/serial/f77/zswmm.f base/serial/f77/zswsm.f base/serial/jad/Makefile base/serial/jad/sjadmm.f base/serial/jad/sjadmv.f base/serial/jad/sjadmv2.f base/serial/jad/sjadmv3.f base/serial/jad/sjadmv4.f base/serial/jad/sjadnr.f base/serial/jad/sjadrws.f base/serial/jad/sjadsm.f base/serial/jad/sjadsv.f base/serial/jad/sjdnrmi.f base/serial/jad/sjdrws.f base/serial/psb_ccoins.f90 base/serial/psb_ccsmm.f90 base/serial/psb_ccsmv.f90 base/serial/psb_ccsnmi.f90 base/serial/psb_ccsprt.f90 base/serial/psb_ccssm.f90 base/serial/psb_ccssv.f90 base/serial/psb_cfixcoo.f90 base/serial/psb_cgelp.f90 base/serial/psb_cipcoo2csc.f90 base/serial/psb_cipcoo2csr.f90 base/serial/psb_cipcsr2coo.f90 base/serial/psb_cneigh.f90 base/serial/psb_cnumbmm.f90 base/serial/psb_crwextd.f90 base/serial/psb_cspclip.f90 base/serial/psb_cspcnv.f90 base/serial/psb_cspgetrow.f90 base/serial/psb_cspgtblk.f90 base/serial/psb_cspgtdiag.f90 base/serial/psb_cspscal.f90 base/serial/psb_csymbmm.f90 base/serial/psb_ctransc.f90 base/serial/psb_ctransp.f90 base/serial/psb_dcoins.f90 base/serial/psb_dspcnv.f90 base/serial/psb_getrow_mod.f90 base/serial/psb_regen_mod.f90 base/serial/psb_scoins.f90 base/serial/psb_scsmm.f90 base/serial/psb_scsmv.f90 base/serial/psb_scsnmi.f90 base/serial/psb_scsprt.f90 base/serial/psb_scssm.f90 base/serial/psb_scssv.f90 base/serial/psb_sfixcoo.f90 base/serial/psb_sgelp.f90 base/serial/psb_sipcoo2csc.f90 base/serial/psb_sipcoo2csr.f90 base/serial/psb_sipcsr2coo.f90 base/serial/psb_sneigh.f90 base/serial/psb_snumbmm.f90 base/serial/psb_srwextd.f90 base/serial/psb_sspclip.f90 base/serial/psb_sspcnv.f90 base/serial/psb_sspgetrow.f90 base/serial/psb_sspgtblk.f90 base/serial/psb_sspgtdiag.f90 base/serial/psb_sspscal.f90 base/serial/psb_ssymbmm.f90 base/serial/psb_stransp.f90 base/serial/psb_update_mod.f90 base/serial/psb_zcoins.f90 base/serial/psb_zcsnmi.f90 base/serial/psb_zspcnv.f90 base/tools/Makefile base/tools/psb_callc.f90 base/tools/psb_casb.f90 base/tools/psb_ccdbldext.F90 base/tools/psb_cfree.f90 base/tools/psb_cins.f90 base/tools/psb_cspalloc.f90 base/tools/psb_cspasb.f90 base/tools/psb_cspfree.f90 base/tools/psb_csphalo.F90 base/tools/psb_cspins.f90 base/tools/psb_csprn.f90 base/tools/psb_dspins.f90 base/tools/psb_sallc.f90 base/tools/psb_sasb.f90 base/tools/psb_scdbldext.F90 base/tools/psb_sfree.f90 base/tools/psb_sins.f90 base/tools/psb_sspalloc.f90 base/tools/psb_sspasb.f90 base/tools/psb_sspfree.f90 base/tools/psb_ssphalo.F90 base/tools/psb_sspins.f90 base/tools/psb_ssprn.f90 base/tools/psb_zspins.f90 config/acx_lapack.m4 configure.ac configure krylov/Makefile krylov/psb_cbicg.f90 krylov/psb_ccg.f90 krylov/psb_ccgs.f90 krylov/psb_ccgstab.f90 krylov/psb_ccgstabl.f90 krylov/psb_crgmres.f90 krylov/psb_dcg.F90 krylov/psb_dcg.f90 krylov/psb_krylov_mod.f90 krylov/psb_sbicg.f90 krylov/psb_scg.F90 krylov/psb_scgs.f90 krylov/psb_scgstab.F90 krylov/psb_scgstabl.f90 krylov/psb_srgmres.f90 krylov/psb_zcg.F90 krylov/psb_zcg.f90 prec/Makefile prec/psb_cbjac_aply.f90 prec/psb_cbjac_bld.f90 prec/psb_cdiagsc_bld.f90 prec/psb_cgprec_aply.f90 prec/psb_cilu_fct.f90 prec/psb_cprc_aply.f90 prec/psb_cprecbld.f90 prec/psb_cprecinit.f90 prec/psb_cprecset.f90 prec/psb_prec_mod.f90 prec/psb_prec_type.f90 prec/psb_sbjac_aply.f90 prec/psb_sbjac_bld.f90 prec/psb_sdiagsc_bld.f90 prec/psb_sgprec_aply.f90 prec/psb_silu_fct.f90 prec/psb_sprc_aply.f90 prec/psb_sprecbld.f90 prec/psb_sprecinit.f90 prec/psb_sprecset.f90 test/fileread/Makefile test/fileread/cf_sample.f90 test/fileread/df_sample.f90 test/fileread/getp.f90 test/fileread/runs/cfs.inp test/fileread/runs/sfs.inp test/fileread/sf_sample.f90 test/fileread/zf_sample.f90 test/pargen/Makefile test/pargen/ppde.f90 test/pargen/runs/ppde.inp test/pargen/spde.f90 util/psb_hbio_mod.f90 util/psb_mat_dist_mod.f90 util/psb_mmio_mod.f90 util/psb_read_mat_mod.f90 Merged the single precision branch.
17 years ago
!!$
!!$ Parallel Sparse BLAS version 2.2
!!$ (C) Copyright 2006/2007/2008
!!$ 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.
!!$
!!$
! File: psb_sovrl.f90
!
! Subroutine: psb_sovrlm
! This subroutine performs the exchange of the overlap elements in a
! distributed dense matrix between all the processes.
!
! Arguments:
! x(:,:) - real The local part of the dense matrix.
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code.
! jx - integer(optional). The starting column of the global matrix
! ik - integer(optional). The number of columns to gather.
! work - real(optional). A work area.
! update - integer(optional). Type of update:
! psb_none_ do nothing
! psb_sum_ sum of overlaps
! psb_avg_ average of overlaps
! mode - integer(optional). Choose the algorithm for data exchange:
! this is chosen through bit fields.
! - swap_mpi = iand(flag,psb_swap_mpi_) /= 0
! - swap_sync = iand(flag,psb_swap_sync_) /= 0
! - swap_send = iand(flag,psb_swap_send_) /= 0
! - swap_recv = iand(flag,psb_swap_recv_) /= 0
! - if (swap_mpi): use underlying MPI_ALLTOALLV.
! - if (swap_sync): use PSB_SND and PSB_RCV in
! synchronized pairs
! - if (swap_send .and. swap_recv): use mpi_irecv
! and mpi_send
! - if (swap_send): use psb_snd (but need another
! call with swap_recv to complete)
! - if (swap_recv): use psb_rcv (completing a
! previous call with swap_send)
!
!
subroutine psb_sovrlm(x,desc_a,info,jx,ik,work,update,mode)
use psb_descriptor_type
use psb_const_mod
use psi_mod
use psb_realloc_mod
use psb_check_mod
use psb_error_mod
use psb_penv_mod
implicit none
real(psb_spk_), intent(inout), target :: x(:,:)
type(psb_desc_type), intent(in) :: desc_a
integer, intent(out) :: info
real(psb_spk_), optional, target :: work(:)
integer, intent(in), optional :: update,jx,ik,mode
! locals
integer :: ictxt, np, me, &
& err_act, m, n, iix, jjx, ix, ijx, nrow, ncol, k, maxk, update_,&
& mode_, err, liwork
real(psb_spk_),pointer :: iwork(:), xp(:,:)
logical :: do_swap
character(len=20) :: name, ch_err
logical :: aliw
name='psb_sovrlm'
if(psb_get_errstatus() /= 0) return
info=0
call psb_erractionsave(err_act)
ictxt=psb_cd_get_context(desc_a)
! check on blacs grid
call psb_info(ictxt, me, np)
if (np == -1) then
info = 2010
call psb_errpush(info,name)
goto 9999
endif
ix = 1
if (present(jx)) then
ijx = jx
else
ijx = 1
endif
m = psb_cd_get_global_rows(desc_a)
n = psb_cd_get_global_cols(desc_a)
nrow = psb_cd_get_local_rows(desc_a)
ncol = psb_cd_get_local_cols(desc_a)
maxk=size(x,2)-ijx+1
if(present(ik)) then
if(ik > maxk) then
k=maxk
else
k=ik
end if
else
k = maxk
end if
if (present(update)) then
update_ = update
else
update_ = psb_avg_
endif
if (present(mode)) then
mode_ = mode
else
mode_ = IOR(psb_swap_send_,psb_swap_recv_)
endif
do_swap = (mode_ /= 0)
! check vector correctness
call psb_chkvect(m,1,size(x,1),ix,ijx,desc_a,info,iix,jjx)
if(info /= 0) then
info=4010
ch_err='psb_chkvect'
call psb_errpush(info,name,a_err=ch_err)
end if
if (iix /= 1) then
info=3040
call psb_errpush(info,name)
end if
err=info
call psb_errcomm(ictxt,err)
if(err /= 0) goto 9999
! check for presence/size of a work area
liwork=ncol
if (present(work)) then
if(size(work) >= liwork) then
aliw=.false.
else
aliw=.true.
end if
else
aliw=.true.
end if
if (aliw) then
allocate(iwork(liwork),stat=info)
if(info /= 0) then
info=4010
call psb_errpush(info,name,a_err='Allocate')
goto 9999
end if
else
iwork => work
end if
! exchange overlap elements
if(do_swap) then
xp => x(iix:size(x,1),jjx:jjx+k-1)
call psi_swapdata(mode_,k,sone,xp,&
& desc_a,iwork,info,data=psb_comm_ovr_)
end if
if (info == 0) call psi_ovrl_upd(xp,desc_a,update_,info)
if (info /= 0) then
call psb_errpush(4010,name,a_err='Inner updates')
goto 9999
end if
if (aliw) deallocate(iwork)
nullify(iwork)
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 psb_sovrlm
!!$
!!$ Parallel Sparse BLAS version 2.2
!!$ (C) Copyright 2006/2007/2008
!!$ 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.
!!$
!!$
!
! Subroutine: psb_sovrlv
! This subroutine performs the exchange of the overlap elements in a
! distributed dense vector between all the processes.
!
! Arguments:
! x(:) - real The local part of the dense vector.
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code.
! work - real(optional). A work area.
! update - integer(optional). Type of update:
! psb_none_ do nothing
! psb_sum_ sum of overlaps
! psb_avg_ average of overlaps
! mode - integer(optional). Choose the algorithm for data exchange:
! this is chosen through bit fields.
! - swap_mpi = iand(flag,psb_swap_mpi_) /= 0
! - swap_sync = iand(flag,psb_swap_sync_) /= 0
! - swap_send = iand(flag,psb_swap_send_) /= 0
! - swap_recv = iand(flag,psb_swap_recv_) /= 0
! - if (swap_mpi): use underlying MPI_ALLTOALLV.
! - if (swap_sync): use PSB_SND and PSB_RCV in
! synchronized pairs
! - if (swap_send .and. swap_recv): use mpi_irecv
! and mpi_send
! - if (swap_send): use psb_snd (but need another
! call with swap_recv to complete)
! - if (swap_recv): use psb_rcv (completing a
! previous call with swap_send)
!
!
!
subroutine psb_sovrlv(x,desc_a,info,work,update,mode)
use psb_descriptor_type
use psi_mod
use psb_const_mod
use psb_realloc_mod
use psb_check_mod
use psb_error_mod
use psb_penv_mod
implicit none
real(psb_spk_), intent(inout), target :: x(:)
type(psb_desc_type), intent(in) :: desc_a
integer, intent(out) :: info
real(psb_spk_), optional, target :: work(:)
integer, intent(in), optional :: update,mode
! locals
integer :: ictxt, np, me, &
& err_act, m, n, iix, jjx, ix, ijx, nrow, ncol, k, update_,&
& mode_, err, liwork
real(psb_spk_),pointer :: iwork(:)
logical :: do_swap
character(len=20) :: name, ch_err
logical :: aliw
name='psb_sovrlv'
if(psb_get_errstatus() /= 0) return
info=0
call psb_erractionsave(err_act)
ictxt=psb_cd_get_context(desc_a)
! check on blacs grid
call psb_info(ictxt, me, np)
if (np == -1) then
info = 2010
call psb_errpush(info,name)
goto 9999
endif
ix = 1
ijx = 1
m = psb_cd_get_global_rows(desc_a)
n = psb_cd_get_global_cols(desc_a)
nrow = psb_cd_get_local_rows(desc_a)
ncol = psb_cd_get_local_cols(desc_a)
k = 1
if (present(update)) then
update_ = update
else
update_ = psb_avg_
endif
if (present(mode)) then
mode_ = mode
else
mode_ = IOR(psb_swap_send_,psb_swap_recv_)
endif
do_swap = (mode_ /= 0)
! check vector correctness
call psb_chkvect(m,1,size(x),ix,ijx,desc_a,info,iix,jjx)
if(info /= 0) then
info=4010
ch_err='psb_chkvect'
call psb_errpush(info,name,a_err=ch_err)
end if
if (iix /= 1) then
info=3040
call psb_errpush(info,name)
end if
err=info
call psb_errcomm(ictxt,err)
if(err /= 0) goto 9999
! check for presence/size of a work area
liwork=ncol
if (present(work)) then
if(size(work) >= liwork) then
aliw=.false.
else
aliw=.true.
end if
else
aliw=.true.
end if
if (aliw) then
allocate(iwork(liwork),stat=info)
if(info /= 0) then
info=4010
call psb_errpush(info,name,a_err='Allocate')
goto 9999
end if
else
iwork => work
end if
! exchange overlap elements
if (do_swap) then
call psi_swapdata(mode_,sone,x(:),&
& desc_a,iwork,info,data=psb_comm_ovr_)
end if
if (info == 0) call psi_ovrl_upd(x,desc_a,update_,info)
if (info /= 0) then
call psb_errpush(4010,name,a_err='Inner updates')
goto 9999
end if
if (aliw) deallocate(iwork)
nullify(iwork)
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 psb_sovrlv