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psblas3/base/modules/penv/psi_d_collective_mod.F90

1352 lines
35 KiB
Fortran

!
! Parallel Sparse BLAS version 3.5
! (C) Copyright 2006-2018
! Salvatore Filippone
! Alfredo Buttari
!
! 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_d_collective_mod
use psi_penv_mod
interface psb_max
module procedure psb_dmaxs, psb_dmaxv, psb_dmaxm, &
& psb_dmaxs_ec, psb_dmaxv_ec, psb_dmaxm_ec
end interface
interface psb_min
module procedure psb_dmins, psb_dminv, psb_dminm, &
& psb_dmins_ec, psb_dminv_ec, psb_dminm_ec
end interface psb_min
interface psb_nrm2
module procedure psb_d_nrm2s, psb_d_nrm2v, &
& psb_d_nrm2s_ec, psb_d_nrm2v_ec
end interface psb_nrm2
interface psb_sum
module procedure psb_dsums, psb_dsumv, psb_dsumm, &
& psb_dsums_ec, psb_dsumv_ec, psb_dsumm_ec
end interface
interface psb_amx
module procedure psb_damxs, psb_damxv, psb_damxm, &
& psb_damxs_ec, psb_damxv_ec, psb_damxm_ec
end interface
interface psb_amn
module procedure psb_damns, psb_damnv, psb_damnm, &
& psb_damns_ec, psb_damnv_ec, psb_damnm_ec
end interface
interface psb_bcast
module procedure psb_dbcasts, psb_dbcastv, psb_dbcastm, &
& psb_dbcasts_ec, psb_dbcastv_ec, psb_dbcastm_ec
end interface psb_bcast
interface psb_scan_sum
module procedure psb_dscan_sums, psb_dscan_sumv
end interface psb_scan_sum
interface psb_exscan_sum
module procedure psb_dexscan_sums, psb_dexscan_sumv
end interface psb_exscan_sum
contains
! !!!!!!!!!!!!!!!!!!!!!!
!
! Reduction operations
!
! !!!!!!!!!!!!!!!!!!!!!!
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!
! MAX
!
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
subroutine psb_dmaxs(ictxt,dat,root)
#ifdef MPI_MOD
use mpi
#endif
implicit none
#ifdef MPI_H
include 'mpif.h'
#endif
integer(psb_mpk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat
integer(psb_mpk_), intent(in), optional :: root
integer(psb_mpk_) :: root_
real(psb_dpk_) :: dat_
integer(psb_mpk_) :: iam, np, info
integer(psb_ipk_) :: iinfo
#if !defined(SERIAL_MPI)
call psb_info(ictxt,iam,np)
if (present(root)) then
root_ = root
else
root_ = -1
endif
if (root_ == -1) then
call mpi_allreduce(dat,dat_,1,psb_mpi_r_dpk_,mpi_max,ictxt,info)
dat = dat_
else
call mpi_reduce(dat,dat_,1,psb_mpi_r_dpk_,mpi_max,root_,ictxt,info)
if (iam == root_) dat = dat_
endif
#endif
end subroutine psb_dmaxs
subroutine psb_dmaxv(ictxt,dat,root)
use psb_realloc_mod
#ifdef MPI_MOD
use mpi
#endif
implicit none
#ifdef MPI_H
include 'mpif.h'
#endif
integer(psb_mpk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat(:)
integer(psb_mpk_), intent(in), optional :: root
integer(psb_mpk_) :: root_
real(psb_dpk_), allocatable :: dat_(:)
integer(psb_mpk_) :: iam, np, info
integer(psb_ipk_) :: iinfo
#if !defined(SERIAL_MPI)
call psb_info(ictxt,iam,np)
if (present(root)) then
root_ = root
else
root_ = -1
endif
if (root_ == -1) then
call psb_realloc(size(dat),dat_,iinfo)
dat_ = dat
if (iinfo == psb_success_) &
& call mpi_allreduce(dat_,dat,size(dat),psb_mpi_r_dpk_,mpi_max,ictxt,info)
else
if (iam == root_) then
call psb_realloc(size(dat),dat_,iinfo)
dat_ = dat
call mpi_reduce(dat_,dat,size(dat),psb_mpi_r_dpk_,mpi_max,root_,ictxt,info)
else
call psb_realloc(1,dat_,iinfo)
call mpi_reduce(dat,dat_,size(dat),psb_mpi_r_dpk_,mpi_max,root_,ictxt,info)
end if
endif
#endif
end subroutine psb_dmaxv
subroutine psb_dmaxm(ictxt,dat,root)
use psb_realloc_mod
#ifdef MPI_MOD
use mpi
#endif
implicit none
#ifdef MPI_H
include 'mpif.h'
#endif
integer(psb_mpk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat(:,:)
integer(psb_mpk_), intent(in), optional :: root
integer(psb_mpk_) :: root_
real(psb_dpk_), allocatable :: dat_(:,:)
integer(psb_mpk_) :: iam, np, info
integer(psb_ipk_) :: iinfo
#if !defined(SERIAL_MPI)
call psb_info(ictxt,iam,np)
if (present(root)) then
root_ = root
else
root_ = -1
endif
if (root_ == -1) then
call psb_realloc(size(dat,1),size(dat,2),dat_,iinfo)
dat_ = dat
if (iinfo == psb_success_)&
& call mpi_allreduce(dat_,dat,size(dat),psb_mpi_r_dpk_,mpi_max,ictxt,info)
else
if (iam == root_) then
call psb_realloc(size(dat,1),size(dat,2),dat_,iinfo)
dat_ = dat
call mpi_reduce(dat_,dat,size(dat),psb_mpi_r_dpk_,mpi_max,root_,ictxt,info)
else
call psb_realloc(1,1,dat_,iinfo)
call mpi_reduce(dat,dat_,size(dat),psb_mpi_r_dpk_,mpi_max,root_,ictxt,info)
end if
endif
#endif
end subroutine psb_dmaxm
subroutine psb_dmaxs_ec(ictxt,dat,root)
implicit none
integer(psb_epk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat
integer(psb_epk_), intent(in), optional :: root
integer(psb_mpk_) :: ictxt_, root_
ictxt_ = ictxt
if (present(root)) then
root_ = root
call psb_max(ictxt_,dat,root_)
else
call psb_max(ictxt_,dat)
end if
end subroutine psb_dmaxs_ec
subroutine psb_dmaxv_ec(ictxt,dat,root)
implicit none
integer(psb_epk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat(:)
integer(psb_epk_), intent(in), optional :: root
integer(psb_mpk_) :: ictxt_, root_
ictxt_ = ictxt
if (present(root)) then
root_ = root
call psb_max(ictxt_,dat,root_)
else
call psb_max(ictxt_,dat)
end if
end subroutine psb_dmaxv_ec
subroutine psb_dmaxm_ec(ictxt,dat,root)
implicit none
integer(psb_epk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat(:,:)
integer(psb_epk_), intent(in), optional :: root
integer(psb_mpk_) :: ictxt_, root_
ictxt_ = ictxt
if (present(root)) then
root_ = root
call psb_max(ictxt_,dat,root_)
else
call psb_max(ictxt_,dat)
end if
end subroutine psb_dmaxm_ec
!
! MIN: Minimum Value
!
subroutine psb_dmins(ictxt,dat,root)
#ifdef MPI_MOD
use mpi
#endif
implicit none
#ifdef MPI_H
include 'mpif.h'
#endif
integer(psb_mpk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat
integer(psb_mpk_), intent(in), optional :: root
integer(psb_mpk_) :: root_
real(psb_dpk_) :: dat_
integer(psb_mpk_) :: iam, np, info
integer(psb_ipk_) :: iinfo
#if !defined(SERIAL_MPI)
call psb_info(ictxt,iam,np)
if (present(root)) then
root_ = root
else
root_ = -1
endif
if (root_ == -1) then
call mpi_allreduce(dat,dat_,1,psb_mpi_r_dpk_,mpi_min,ictxt,info)
dat = dat_
else
call mpi_reduce(dat,dat_,1,psb_mpi_r_dpk_,mpi_min,root_,ictxt,info)
if (iam == root_) dat = dat_
endif
#endif
end subroutine psb_dmins
subroutine psb_dminv(ictxt,dat,root)
use psb_realloc_mod
#ifdef MPI_MOD
use mpi
#endif
implicit none
#ifdef MPI_H
include 'mpif.h'
#endif
integer(psb_mpk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat(:)
integer(psb_mpk_), intent(in), optional :: root
integer(psb_mpk_) :: root_
real(psb_dpk_), allocatable :: dat_(:)
integer(psb_mpk_) :: iam, np, info
integer(psb_ipk_) :: iinfo
#if !defined(SERIAL_MPI)
call psb_info(ictxt,iam,np)
if (present(root)) then
root_ = root
else
root_ = -1
endif
if (root_ == -1) then
call psb_realloc(size(dat),dat_,iinfo)
dat_ = dat
if (iinfo == psb_success_) &
& call mpi_allreduce(dat_,dat,size(dat),psb_mpi_r_dpk_,mpi_min,ictxt,info)
else
if (iam == root_) then
call psb_realloc(size(dat),dat_,iinfo)
dat_ = dat
call mpi_reduce(dat_,dat,size(dat),psb_mpi_r_dpk_,mpi_min,root_,ictxt,info)
else
call psb_realloc(1,dat_,iinfo)
call mpi_reduce(dat,dat_,size(dat),psb_mpi_r_dpk_,mpi_min,root_,ictxt,info)
end if
endif
#endif
end subroutine psb_dminv
subroutine psb_dminm(ictxt,dat,root)
use psb_realloc_mod
#ifdef MPI_MOD
use mpi
#endif
implicit none
#ifdef MPI_H
include 'mpif.h'
#endif
integer(psb_mpk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat(:,:)
integer(psb_mpk_), intent(in), optional :: root
integer(psb_mpk_) :: root_
real(psb_dpk_), allocatable :: dat_(:,:)
integer(psb_mpk_) :: iam, np, info
integer(psb_ipk_) :: iinfo
#if !defined(SERIAL_MPI)
call psb_info(ictxt,iam,np)
if (present(root)) then
root_ = root
else
root_ = -1
endif
if (root_ == -1) then
call psb_realloc(size(dat,1),size(dat,2),dat_,iinfo)
dat_ = dat
if (iinfo == psb_success_)&
& call mpi_allreduce(dat_,dat,size(dat),psb_mpi_r_dpk_,mpi_min,ictxt,info)
else
if (iam == root_) then
call psb_realloc(size(dat,1),size(dat,2),dat_,iinfo)
dat_ = dat
call mpi_reduce(dat_,dat,size(dat),psb_mpi_r_dpk_,mpi_min,root_,ictxt,info)
else
call psb_realloc(1,1,dat_,iinfo)
call mpi_reduce(dat,dat_,size(dat),psb_mpi_r_dpk_,mpi_min,root_,ictxt,info)
end if
endif
#endif
end subroutine psb_dminm
subroutine psb_dmins_ec(ictxt,dat,root)
implicit none
integer(psb_epk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat
integer(psb_epk_), intent(in), optional :: root
integer(psb_mpk_) :: ictxt_, root_
ictxt_ = ictxt
if (present(root)) then
root_ = root
call psb_min(ictxt_,dat,root_)
else
call psb_min(ictxt_,dat)
end if
end subroutine psb_dmins_ec
subroutine psb_dminv_ec(ictxt,dat,root)
implicit none
integer(psb_epk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat(:)
integer(psb_epk_), intent(in), optional :: root
integer(psb_mpk_) :: ictxt_, root_
ictxt_ = ictxt
if (present(root)) then
root_ = root
call psb_min(ictxt_,dat,root_)
else
call psb_min(ictxt_,dat)
end if
end subroutine psb_dminv_ec
subroutine psb_dminm_ec(ictxt,dat,root)
implicit none
integer(psb_epk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat(:,:)
integer(psb_epk_), intent(in), optional :: root
integer(psb_mpk_) :: ictxt_, root_
ictxt_ = ictxt
if (present(root)) then
root_ = root
call psb_min(ictxt_,dat,root_)
else
call psb_min(ictxt_,dat)
end if
end subroutine psb_dminm_ec
! !!!!!!!!!!!!
!
! Norm 2, only for reals
!
! !!!!!!!!!!!!
subroutine psb_d_nrm2s(ictxt,dat,root)
#ifdef MPI_MOD
use mpi
#endif
implicit none
#ifdef MPI_H
include 'mpif.h'
#endif
integer(psb_mpk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat
integer(psb_mpk_), intent(in), optional :: root
integer(psb_mpk_) :: root_
real(psb_dpk_) :: dat_
integer(psb_mpk_) :: iam, np, info
integer(psb_ipk_) :: iinfo
#if !defined(SERIAL_MPI)
call psb_info(ictxt,iam,np)
if (present(root)) then
root_ = root
else
root_ = -1
endif
if (root_ == -1) then
call mpi_allreduce(dat,dat_,1,psb_mpi_r_dpk_,mpi_dnrm2_op,ictxt,info)
dat = dat_
else
call mpi_reduce(dat,dat_,1,psb_mpi_r_dpk_,mpi_dnrm2_op,root_,ictxt,info)
if (iam == root_) dat = dat_
endif
#endif
end subroutine psb_d_nrm2s
subroutine psb_d_nrm2v(ictxt,dat,root)
use psb_realloc_mod
#ifdef MPI_MOD
use mpi
#endif
implicit none
#ifdef MPI_H
include 'mpif.h'
#endif
integer(psb_mpk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat(:)
integer(psb_mpk_), intent(in), optional :: root
integer(psb_mpk_) :: root_
real(psb_dpk_), allocatable :: dat_(:)
integer(psb_mpk_) :: iam, np, info
integer(psb_ipk_) :: iinfo
#if !defined(SERIAL_MPI)
call psb_info(ictxt,iam,np)
if (present(root)) then
root_ = root
else
root_ = -1
endif
if (root_ == -1) then
call psb_realloc(size(dat),dat_,iinfo)
dat_ = dat
if (iinfo == psb_success_) &
& call mpi_allreduce(dat_,dat,size(dat),psb_mpi_r_dpk_,&
& mpi_dnrm2_op,ictxt,info)
else
if (iam == root_) then
call psb_realloc(size(dat),dat_,iinfo)
dat_ = dat
call mpi_reduce(dat_,dat,size(dat),psb_mpi_r_dpk_,&
& mpi_dnrm2_op,root_,ictxt,info)
else
call psb_realloc(1,dat_,iinfo)
call mpi_reduce(dat,dat_,size(dat),psb_mpi_r_dpk_,&
& mpi_dnrm2_op,root_,ictxt,info)
end if
endif
#endif
end subroutine psb_d_nrm2v
subroutine psb_d_nrm2s_ec(ictxt,dat,root)
implicit none
integer(psb_epk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat
integer(psb_epk_), intent(in), optional :: root
integer(psb_mpk_) :: ictxt_, root_
ictxt_ = ictxt
if (present(root)) then
root_ = root
call psb_nrm2(ictxt_,dat,root_)
else
call psb_nrm2(ictxt_,dat)
end if
end subroutine psb_d_nrm2s_ec
subroutine psb_d_nrm2v_ec(ictxt,dat,root)
implicit none
integer(psb_epk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat(:)
integer(psb_epk_), intent(in), optional :: root
integer(psb_mpk_) :: ictxt_, root_
ictxt_ = ictxt
if (present(root)) then
root_ = root
call psb_nrm2(ictxt_,dat,root_)
else
call psb_nrm2(ictxt_,dat)
end if
end subroutine psb_d_nrm2v_ec
!
! SUM
!
subroutine psb_dsums(ictxt,dat,root)
#ifdef MPI_MOD
use mpi
#endif
implicit none
#ifdef MPI_H
include 'mpif.h'
#endif
integer(psb_mpk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat
integer(psb_mpk_), intent(in), optional :: root
integer(psb_mpk_) :: root_
real(psb_dpk_) :: dat_
integer(psb_mpk_) :: iam, np, info
integer(psb_ipk_) :: iinfo
#if !defined(SERIAL_MPI)
call psb_info(ictxt,iam,np)
if (present(root)) then
root_ = root
else
root_ = -1
endif
if (root_ == -1) then
call mpi_allreduce(dat,dat_,1,psb_mpi_r_dpk_,mpi_sum,ictxt,info)
dat = dat_
else
call mpi_reduce(dat,dat_,1,psb_mpi_r_dpk_,mpi_sum,root_,ictxt,info)
if (iam == root_) dat = dat_
endif
#endif
end subroutine psb_dsums
subroutine psb_dsumv(ictxt,dat,root)
use psb_realloc_mod
#ifdef MPI_MOD
use mpi
#endif
implicit none
#ifdef MPI_H
include 'mpif.h'
#endif
integer(psb_mpk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat(:)
integer(psb_mpk_), intent(in), optional :: root
integer(psb_mpk_) :: root_
real(psb_dpk_), allocatable :: dat_(:)
integer(psb_mpk_) :: iam, np, info
integer(psb_ipk_) :: iinfo
#if !defined(SERIAL_MPI)
call psb_info(ictxt,iam,np)
if (present(root)) then
root_ = root
else
root_ = -1
endif
if (root_ == -1) then
call psb_realloc(size(dat),dat_,iinfo)
dat_ = dat
if (iinfo == psb_success_) &
& call mpi_allreduce(dat_,dat,size(dat),psb_mpi_r_dpk_,mpi_sum,ictxt,info)
else
if (iam == root_) then
call psb_realloc(size(dat),dat_,iinfo)
dat_ = dat
call mpi_reduce(dat_,dat,size(dat),psb_mpi_r_dpk_,mpi_sum,root_,ictxt,info)
else
call psb_realloc(1,dat_,iinfo)
call mpi_reduce(dat,dat_,size(dat),psb_mpi_r_dpk_,mpi_sum,root_,ictxt,info)
end if
endif
#endif
end subroutine psb_dsumv
subroutine psb_dsumm(ictxt,dat,root)
use psb_realloc_mod
#ifdef MPI_MOD
use mpi
#endif
implicit none
#ifdef MPI_H
include 'mpif.h'
#endif
integer(psb_mpk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat(:,:)
integer(psb_mpk_), intent(in), optional :: root
integer(psb_mpk_) :: root_
real(psb_dpk_), allocatable :: dat_(:,:)
integer(psb_mpk_) :: iam, np, info
integer(psb_ipk_) :: iinfo
#if !defined(SERIAL_MPI)
call psb_info(ictxt,iam,np)
if (present(root)) then
root_ = root
else
root_ = -1
endif
if (root_ == -1) then
call psb_realloc(size(dat,1),size(dat,2),dat_,iinfo)
dat_ = dat
if (iinfo == psb_success_)&
& call mpi_allreduce(dat_,dat,size(dat),psb_mpi_r_dpk_,mpi_sum,ictxt,info)
else
if (iam == root_) then
call psb_realloc(size(dat,1),size(dat,2),dat_,iinfo)
dat_ = dat
call mpi_reduce(dat_,dat,size(dat),psb_mpi_r_dpk_,mpi_sum,root_,ictxt,info)
else
call psb_realloc(1,1,dat_,iinfo)
call mpi_reduce(dat,dat_,size(dat),psb_mpi_r_dpk_,mpi_sum,root_,ictxt,info)
end if
endif
#endif
end subroutine psb_dsumm
subroutine psb_dsums_ec(ictxt,dat,root)
implicit none
integer(psb_epk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat
integer(psb_epk_), intent(in), optional :: root
integer(psb_mpk_) :: ictxt_, root_
ictxt_ = ictxt
if (present(root)) then
root_ = root
call psb_sum(ictxt_,dat,root_)
else
call psb_sum(ictxt_,dat)
end if
end subroutine psb_dsums_ec
subroutine psb_dsumv_ec(ictxt,dat,root)
implicit none
integer(psb_epk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat(:)
integer(psb_epk_), intent(in), optional :: root
integer(psb_mpk_) :: ictxt_, root_
ictxt_ = ictxt
if (present(root)) then
root_ = root
call psb_sum(ictxt_,dat,root_)
else
call psb_sum(ictxt_,dat)
end if
end subroutine psb_dsumv_ec
subroutine psb_dsumm_ec(ictxt,dat,root)
implicit none
integer(psb_epk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat(:,:)
integer(psb_epk_), intent(in), optional :: root
integer(psb_mpk_) :: ictxt_, root_
ictxt_ = ictxt
if (present(root)) then
root_ = root
call psb_sum(ictxt_,dat,root_)
else
call psb_sum(ictxt_,dat)
end if
end subroutine psb_dsumm_ec
!
! AMX: Maximum Absolute Value
!
subroutine psb_damxs(ictxt,dat,root)
#ifdef MPI_MOD
use mpi
#endif
implicit none
#ifdef MPI_H
include 'mpif.h'
#endif
integer(psb_mpk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat
integer(psb_mpk_), intent(in), optional :: root
integer(psb_mpk_) :: root_
real(psb_dpk_) :: dat_
integer(psb_mpk_) :: iam, np, info
integer(psb_ipk_) :: iinfo
#if !defined(SERIAL_MPI)
call psb_info(ictxt,iam,np)
if (present(root)) then
root_ = root
else
root_ = -1
endif
if (root_ == -1) then
call mpi_allreduce(dat,dat_,1,psb_mpi_r_dpk_,mpi_damx_op,ictxt,info)
dat = dat_
else
call mpi_reduce(dat,dat_,1,psb_mpi_r_dpk_,mpi_damx_op,root_,ictxt,info)
if (iam == root_) dat = dat_
endif
#endif
end subroutine psb_damxs
subroutine psb_damxv(ictxt,dat,root)
use psb_realloc_mod
#ifdef MPI_MOD
use mpi
#endif
implicit none
#ifdef MPI_H
include 'mpif.h'
#endif
integer(psb_mpk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat(:)
integer(psb_mpk_), intent(in), optional :: root
integer(psb_mpk_) :: root_
real(psb_dpk_), allocatable :: dat_(:)
integer(psb_mpk_) :: iam, np, info
integer(psb_ipk_) :: iinfo
#if !defined(SERIAL_MPI)
call psb_info(ictxt,iam,np)
if (present(root)) then
root_ = root
else
root_ = -1
endif
if (root_ == -1) then
call psb_realloc(size(dat),dat_,iinfo)
dat_ = dat
if (iinfo == psb_success_) &
& call mpi_allreduce(dat_,dat,size(dat),psb_mpi_r_dpk_,mpi_damx_op,ictxt,info)
else
if (iam == root_) then
call psb_realloc(size(dat),dat_,iinfo)
dat_ = dat
call mpi_reduce(dat_,dat,size(dat),psb_mpi_r_dpk_,mpi_damx_op,root_,ictxt,info)
else
call psb_realloc(1,dat_,iinfo)
call mpi_reduce(dat,dat_,size(dat),psb_mpi_r_dpk_,mpi_damx_op,root_,ictxt,info)
end if
endif
#endif
end subroutine psb_damxv
subroutine psb_damxm(ictxt,dat,root)
use psb_realloc_mod
#ifdef MPI_MOD
use mpi
#endif
implicit none
#ifdef MPI_H
include 'mpif.h'
#endif
integer(psb_mpk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat(:,:)
integer(psb_mpk_), intent(in), optional :: root
integer(psb_mpk_) :: root_
real(psb_dpk_), allocatable :: dat_(:,:)
integer(psb_mpk_) :: iam, np, info
integer(psb_ipk_) :: iinfo
#if !defined(SERIAL_MPI)
call psb_info(ictxt,iam,np)
if (present(root)) then
root_ = root
else
root_ = -1
endif
if (root_ == -1) then
call psb_realloc(size(dat,1),size(dat,2),dat_,iinfo)
dat_ = dat
if (iinfo == psb_success_)&
& call mpi_allreduce(dat_,dat,size(dat),psb_mpi_r_dpk_,mpi_damx_op,ictxt,info)
else
if (iam == root_) then
call psb_realloc(size(dat,1),size(dat,2),dat_,iinfo)
dat_ = dat
call mpi_reduce(dat_,dat,size(dat),psb_mpi_r_dpk_,mpi_damx_op,root_,ictxt,info)
else
call psb_realloc(1,1,dat_,iinfo)
call mpi_reduce(dat,dat_,size(dat),psb_mpi_r_dpk_,mpi_damx_op,root_,ictxt,info)
end if
endif
#endif
end subroutine psb_damxm
subroutine psb_damxs_ec(ictxt,dat,root)
implicit none
integer(psb_epk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat
integer(psb_epk_), intent(in), optional :: root
integer(psb_mpk_) :: ictxt_, root_
ictxt_ = ictxt
if (present(root)) then
root_ = root
call psb_amx(ictxt_,dat,root_)
else
call psb_amx(ictxt_,dat)
end if
end subroutine psb_damxs_ec
subroutine psb_damxv_ec(ictxt,dat,root)
implicit none
integer(psb_epk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat(:)
integer(psb_epk_), intent(in), optional :: root
integer(psb_mpk_) :: ictxt_, root_
ictxt_ = ictxt
if (present(root)) then
root_ = root
call psb_amx(ictxt_,dat,root_)
else
call psb_amx(ictxt_,dat)
end if
end subroutine psb_damxv_ec
subroutine psb_damxm_ec(ictxt,dat,root)
implicit none
integer(psb_epk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat(:,:)
integer(psb_epk_), intent(in), optional :: root
integer(psb_mpk_) :: ictxt_, root_
ictxt_ = ictxt
if (present(root)) then
root_ = root
call psb_amx(ictxt_,dat,root_)
else
call psb_amx(ictxt_,dat)
end if
end subroutine psb_damxm_ec
!
! AMN: Minimum Absolute Value
!
subroutine psb_damns(ictxt,dat,root)
#ifdef MPI_MOD
use mpi
#endif
implicit none
#ifdef MPI_H
include 'mpif.h'
#endif
integer(psb_mpk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat
integer(psb_mpk_), intent(in), optional :: root
integer(psb_mpk_) :: root_
real(psb_dpk_) :: dat_
integer(psb_mpk_) :: iam, np, info
integer(psb_ipk_) :: iinfo
#if !defined(SERIAL_MPI)
call psb_info(ictxt,iam,np)
if (present(root)) then
root_ = root
else
root_ = -1
endif
if (root_ == -1) then
call mpi_allreduce(dat,dat_,1,psb_mpi_r_dpk_,mpi_damn_op,ictxt,info)
dat = dat_
else
call mpi_reduce(dat,dat_,1,psb_mpi_r_dpk_,mpi_damn_op,root_,ictxt,info)
if (iam == root_) dat = dat_
endif
#endif
end subroutine psb_damns
subroutine psb_damnv(ictxt,dat,root)
use psb_realloc_mod
#ifdef MPI_MOD
use mpi
#endif
implicit none
#ifdef MPI_H
include 'mpif.h'
#endif
integer(psb_mpk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat(:)
integer(psb_mpk_), intent(in), optional :: root
integer(psb_mpk_) :: root_
real(psb_dpk_), allocatable :: dat_(:)
integer(psb_mpk_) :: iam, np, info
integer(psb_ipk_) :: iinfo
#if !defined(SERIAL_MPI)
call psb_info(ictxt,iam,np)
if (present(root)) then
root_ = root
else
root_ = -1
endif
if (root_ == -1) then
call psb_realloc(size(dat),dat_,iinfo)
dat_ = dat
if (iinfo == psb_success_) &
& call mpi_allreduce(dat_,dat,size(dat),psb_mpi_r_dpk_,mpi_damn_op,ictxt,info)
else
if (iam == root_) then
call psb_realloc(size(dat),dat_,iinfo)
dat_ = dat
call mpi_reduce(dat_,dat,size(dat),psb_mpi_r_dpk_,mpi_damn_op,root_,ictxt,info)
else
call psb_realloc(1,dat_,iinfo)
call mpi_reduce(dat,dat_,size(dat),psb_mpi_r_dpk_,mpi_damn_op,root_,ictxt,info)
end if
endif
#endif
end subroutine psb_damnv
subroutine psb_damnm(ictxt,dat,root)
use psb_realloc_mod
#ifdef MPI_MOD
use mpi
#endif
implicit none
#ifdef MPI_H
include 'mpif.h'
#endif
integer(psb_mpk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat(:,:)
integer(psb_mpk_), intent(in), optional :: root
integer(psb_mpk_) :: root_
real(psb_dpk_), allocatable :: dat_(:,:)
integer(psb_mpk_) :: iam, np, info
integer(psb_ipk_) :: iinfo
#if !defined(SERIAL_MPI)
call psb_info(ictxt,iam,np)
if (present(root)) then
root_ = root
else
root_ = -1
endif
if (root_ == -1) then
call psb_realloc(size(dat,1),size(dat,2),dat_,iinfo)
dat_ = dat
if (iinfo == psb_success_)&
& call mpi_allreduce(dat_,dat,size(dat),psb_mpi_r_dpk_,mpi_damn_op,ictxt,info)
else
if (iam == root_) then
call psb_realloc(size(dat,1),size(dat,2),dat_,iinfo)
dat_ = dat
call mpi_reduce(dat_,dat,size(dat),psb_mpi_r_dpk_,mpi_damn_op,root_,ictxt,info)
else
call psb_realloc(1,1,dat_,iinfo)
call mpi_reduce(dat,dat_,size(dat),psb_mpi_r_dpk_,mpi_damn_op,root_,ictxt,info)
end if
endif
#endif
end subroutine psb_damnm
subroutine psb_damns_ec(ictxt,dat,root)
implicit none
integer(psb_epk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat
integer(psb_epk_), intent(in), optional :: root
integer(psb_mpk_) :: ictxt_, root_
ictxt_ = ictxt
if (present(root)) then
root_ = root
call psb_amn(ictxt_,dat,root_)
else
call psb_amn(ictxt_,dat)
end if
end subroutine psb_damns_ec
subroutine psb_damnv_ec(ictxt,dat,root)
implicit none
integer(psb_epk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat(:)
integer(psb_epk_), intent(in), optional :: root
integer(psb_mpk_) :: ictxt_, root_
ictxt_ = ictxt
if (present(root)) then
root_ = root
call psb_amn(ictxt_,dat,root_)
else
call psb_amn(ictxt_,dat)
end if
end subroutine psb_damnv_ec
subroutine psb_damnm_ec(ictxt,dat,root)
implicit none
integer(psb_epk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat(:,:)
integer(psb_epk_), intent(in), optional :: root
integer(psb_mpk_) :: ictxt_, root_
ictxt_ = ictxt
if (present(root)) then
root_ = root
call psb_amn(ictxt_,dat,root_)
else
call psb_amn(ictxt_,dat)
end if
end subroutine psb_damnm_ec
!
! BCAST Broadcast
!
subroutine psb_dbcasts(ictxt,dat,root)
#ifdef MPI_MOD
use mpi
#endif
implicit none
#ifdef MPI_H
include 'mpif.h'
#endif
integer(psb_mpk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat
integer(psb_mpk_), intent(in), optional :: root
integer(psb_mpk_) :: root_
integer(psb_mpk_) :: iam, np, info
integer(psb_ipk_) :: iinfo
#if !defined(SERIAL_MPI)
call psb_info(ictxt,iam,np)
if (present(root)) then
root_ = root
else
root_ = psb_root_
endif
call mpi_bcast(dat,1,psb_mpi_r_dpk_,root_,ictxt,info)
#endif
end subroutine psb_dbcasts
subroutine psb_dbcastv(ictxt,dat,root)
use psb_realloc_mod
#ifdef MPI_MOD
use mpi
#endif
implicit none
#ifdef MPI_H
include 'mpif.h'
#endif
integer(psb_mpk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat(:)
integer(psb_mpk_), intent(in), optional :: root
integer(psb_mpk_) :: root_
integer(psb_mpk_) :: iam, np, info
integer(psb_ipk_) :: iinfo
#if !defined(SERIAL_MPI)
call psb_info(ictxt,iam,np)
if (present(root)) then
root_ = root
else
root_ = psb_root_
endif
call mpi_bcast(dat,size(dat),psb_mpi_r_dpk_,root_,ictxt,info)
#endif
end subroutine psb_dbcastv
subroutine psb_dbcastm(ictxt,dat,root)
use psb_realloc_mod
#ifdef MPI_MOD
use mpi
#endif
implicit none
#ifdef MPI_H
include 'mpif.h'
#endif
integer(psb_mpk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat(:,:)
integer(psb_mpk_), intent(in), optional :: root
integer(psb_mpk_) :: root_
integer(psb_mpk_) :: iam, np, info
integer(psb_ipk_) :: iinfo
#if !defined(SERIAL_MPI)
call psb_info(ictxt,iam,np)
if (present(root)) then
root_ = root
else
root_ = psb_root_
endif
call mpi_bcast(dat,size(dat),psb_mpi_r_dpk_,root_,ictxt,info)
#endif
end subroutine psb_dbcastm
subroutine psb_dbcasts_ec(ictxt,dat,root)
implicit none
integer(psb_epk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat
integer(psb_epk_), intent(in), optional :: root
integer(psb_mpk_) :: ictxt_, root_
ictxt_ = ictxt
if (present(root)) then
root_ = root
call psb_bcast(ictxt_,dat,root_)
else
call psb_bcast(ictxt_,dat)
end if
end subroutine psb_dbcasts_ec
subroutine psb_dbcastv_ec(ictxt,dat,root)
implicit none
integer(psb_epk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat(:)
integer(psb_epk_), intent(in), optional :: root
integer(psb_mpk_) :: ictxt_, root_
ictxt_ = ictxt
if (present(root)) then
root_ = root
call psb_bcast(ictxt_,dat,root_)
else
call psb_bcast(ictxt_,dat)
end if
end subroutine psb_dbcastv_ec
subroutine psb_dbcastm_ec(ictxt,dat,root)
implicit none
integer(psb_epk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat(:,:)
integer(psb_epk_), intent(in), optional :: root
integer(psb_mpk_) :: ictxt_, root_
ictxt_ = ictxt
if (present(root)) then
root_ = root
call psb_bcast(ictxt_,dat,root_)
else
call psb_bcast(ictxt_,dat)
end if
end subroutine psb_dbcastm_ec
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!
! SCAN
!
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
subroutine psb_dscan_sums(ictxt,dat)
#ifdef MPI_MOD
use mpi
#endif
implicit none
#ifdef MPI_H
include 'mpif.h'
#endif
integer(psb_mpk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat
real(psb_dpk_) :: dat_
integer(psb_mpk_) :: iam, np, info
integer(psb_ipk_) :: iinfo
#if !defined(SERIAL_MPI)
call psb_info(ictxt,iam,np)
call mpi_scan(dat,dat_,1,psb_mpi_r_dpk_,mpi_sum,ictxt,info)
dat = dat_
#endif
end subroutine psb_dscan_sums
subroutine psb_dexscan_sums(ictxt,dat)
#ifdef MPI_MOD
use mpi
#endif
implicit none
#ifdef MPI_H
include 'mpif.h'
#endif
integer(psb_mpk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat
real(psb_dpk_) :: dat_
integer(psb_mpk_) :: iam, np, info
integer(psb_ipk_) :: iinfo
#if !defined(SERIAL_MPI)
call psb_info(ictxt,iam,np)
call mpi_exscan(dat,dat_,1,psb_mpi_r_dpk_,mpi_sum,ictxt,info)
dat = dat_
#else
dat = dzero
#endif
end subroutine psb_dexscan_sums
subroutine psb_dscan_sumv(ictxt,dat,root)
use psb_realloc_mod
#ifdef MPI_MOD
use mpi
#endif
implicit none
#ifdef MPI_H
include 'mpif.h'
#endif
integer(psb_mpk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat(:)
integer(psb_mpk_), intent(in), optional :: root
integer(psb_mpk_) :: root_
real(psb_dpk_), allocatable :: dat_(:)
integer(psb_mpk_) :: iam, np, info
integer(psb_ipk_) :: iinfo
#if !defined(SERIAL_MPI)
call psb_info(ictxt,iam,np)
call psb_realloc(size(dat),dat_,iinfo)
dat_ = dat
if (iinfo == psb_success_) &
& call mpi_scan(dat,dat_,size(dat),psb_mpi_r_dpk_,mpi_sum,ictxt,info)
#endif
end subroutine psb_dscan_sumv
subroutine psb_dexscan_sumv(ictxt,dat,root)
use psb_realloc_mod
#ifdef MPI_MOD
use mpi
#endif
implicit none
#ifdef MPI_H
include 'mpif.h'
#endif
integer(psb_mpk_), intent(in) :: ictxt
real(psb_dpk_), intent(inout) :: dat(:)
integer(psb_mpk_), intent(in), optional :: root
integer(psb_mpk_) :: root_
real(psb_dpk_), allocatable :: dat_(:)
integer(psb_mpk_) :: iam, np, info
integer(psb_ipk_) :: iinfo
#if !defined(SERIAL_MPI)
call psb_info(ictxt,iam,np)
call psb_realloc(size(dat),dat_,iinfo)
dat_ = dat
if (iinfo == psb_success_) &
& call mpi_exscan(dat,dat_,size(dat),psb_mpi_r_dpk_,mpi_sum,ictxt,info)
#else
dat = dzero
#endif
end subroutine psb_dexscan_sumv
end module psi_d_collective_mod