New files from Thomas.
parent
d864f5b60e
commit
9068df9228
@ -0,0 +1,38 @@
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subroutine adj_read (a,filename,desc_a,info)
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type(psb_dspmat_type), intent (out) :: a
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character(len=20) :: filename
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type(psb_desc_type):: desc_a
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integer (psb_ipk_) :: info
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implicit none
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integer :: i,j,nnzero,nbCol
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integer :: unitFile, iError,line
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integer(psb_ipk_), allocatable :: fileContent(:,:),ia(:),ja(:)
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real (psb_dpk_), allocatable :: val(:)
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integer(psb_ipk_), allocatable :: size_mat(:)
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nbCol = 2
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allocate (size_mat(nbCol))
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unitFile = 1
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open(UNIT=unitFile, FILE=filename, FORM="FORMATTED", STATUS="OLD",
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ACTION="READ")
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nnzero = size_mat(2)
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allocate (fileContent(nnzeros,nbCol))
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do line = 1,nnzero
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read(unitFile, *) fileContent(line,1:nbCol)
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end do saveNodes
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close(UNIT=unitFile)
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allocate(ia(nnzero),ja(nnzero),val(nnzero))
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do i=1,nnzero
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ia(i)=fileContent(i,1)
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ja(i)=filecontent(i,2)
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val(i)=1.0
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end do
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call psb_spins(nnzero, ia, ja, val, a, desc_a, info)
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end subroutine adj_read
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@ -0,0 +1,82 @@
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program analyse
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use psb_base_mod
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use psb_util_mod
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implicit none
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character(len=30) :: lapl_file,max_file,res_file,analyse_file,mat_file
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integer (psb_ipk_) :: i,nb_mat, n
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real(psb_dpk_) ::tab(18),eig1,eig2,eig0,eigmin,eigmax,delta,delta2,&
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&deltamax,timemin,timemax,t1,t2,time0,t0
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read(psb_inp_unit,*) lapl_file
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read(psb_inp_unit,*) max_file
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read(psb_inp_unit,*) res_file
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read(psb_inp_unit,*) analyse_file
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read(psb_inp_unit,*) nb_mat
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open(15,FILE=lapl_file,action="read")
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open(13,FILE=max_file,action="read")
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open(14,file=res_file,action="read")
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do i=1,21
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read(15,*)
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end do
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do i=1,22
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read(13,*)
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end do
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open (16, file=analyse_file,position="append",action="write")
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n=0
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delta=0
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delta2=0
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deltamax=0
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timemax=0
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timemin=0
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time0=0
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do i=1,nb_mat
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read(15,*)tab(1:18)
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read(14,*)mat_file,eig1,eig2,t1
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read(14,*)eigmin,eig0,t2
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if(abs(tab(6)-eigmin)>0.001)then
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n=n+1
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write(16,'("smallest of : ",F20.2,F20.2)')tab(2),tab(3)
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write(16,'(F20.7,F20.7)')tab(6),eigmin
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end if
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if(abs(tab(16)-eig2)>0.01)then
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n=n+1
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write(16,'("lambda N-1 of : ",F20.2,F20.2)')tab(2),tab(3)
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write(16,'(F20.7,F20.7)')tab(16),eig2
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end if
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if(abs(tab(18)-eig1)>0.01)then
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n=n+1
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write(16,'("biggest of : ", F20.2,F20.2)')tab(2),tab(3)
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write(16,'(F20.7,F20.7)')tab(18),eig1
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end if
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timemax=timemax+t1
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timemin=timemin+t2
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delta2=delta2+abs(1-eigmin/tab(6))
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delta=delta+abs(1-eig2/tab(16))+abs(1-eig1/tab(18))
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read(13,*)tab(1:7)
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read(14,*)mat_file,eigmax,t0
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if(abs(tab(4)-eigmax)>0.01)then
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write(16,'(F20.2,F20.2)')tab(2),tab(3)
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write(16,'(F20.6,F20.6)')tab(4),eigmax
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endif
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time0=time0+t0
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deltamax=deltamax+abs(1-eigmax/tab(4))
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end do
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write(16,'("errors on ",i20," eigenvalues")')n
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write(16,'("gap average for lapl max",g20.5)')delta/(2*nb_mat)
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write(16,'("gap average for lapl min",g20.5)')delta2/(nb_mat)
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write(16,'("gap average for max",g20.5)')deltamax/(nb_mat)
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write(16,'("time average lapl max",g20.5)')timemax/(nb_mat)
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write(16,'("time average lapl min",g20.5)')timemin/(nb_mat)
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write(16,'("time average A max",g20.5)')time0/(nb_mat)
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close(15)
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close(14)
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close(13)
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close(16)
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end program analyse
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@ -0,0 +1,43 @@
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program analyse
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use psb_base_mod
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use psb_util_mod
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implicit none
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character(len=30) :: given_file,res_file,analyse_file,mat_file
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integer (psb_ipk_) :: i,nb_mat, n
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real(psb_dpk_) :: tab(7),eig
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read(psb_inp_unit,*) given_file
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read(psb_inp_unit,*) res_file
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read(psb_inp_unit,*) analyse_file
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read(psb_inp_unit,*) nb_mat
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open(15,FILE=given_file,action="read")
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open(14,file=res_file,action="read")
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do i=1,22
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read(15,*)
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end do
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open (16, file=analyse_file,position="append",action="write")
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n=0
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do i=1,nb_mat
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read(15,*)tab(1:7)
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read(14,*)mat_file,eig
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if(tab(4)-eig==0)then
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write(psb_out_unit,'("on a gagne !")')
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n=n+1
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else
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write(psb_out_unit,'("perdu")')
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write(16,'(F20.2,F20.2)')tab(2),tab(3)
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write(16,'(F20.7,F20.7)')tab(4),eig
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end if
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end do
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write(psb_out_unit,'(i20)')n
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close(14)
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close(15)
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close(16)
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end program analyse
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@ -0,0 +1,343 @@
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!!$
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!!$ Parallel Sparse BLAS version 3.1
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!!$ (C) Copyright 2006, 2007, 2008, 2009, 2010, 2012, 2013
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!!$ Salvatore Filippone University of Rome Tor Vergata
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!!$ Alfredo Buttari CNRS-IRIT, Toulouse
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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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program arnoldi_file
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use psb_base_mod
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use psb_util_mod
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implicit none
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! input parameters
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character(len=40) :: kmethd, ptype, mtrx_file, rhs_file
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! sparse matrices
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type(psb_zspmat_type) :: a, aux_a
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! dense matrices
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complex(psb_dpk_), allocatable, target :: aux_b(:,:), d(:)
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complex(psb_dpk_), allocatable , save :: x_col_glob(:), r_col_glob(:)
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complex(psb_dpk_), allocatable, target :: H(:,:),eig(:),work(:),Z(:,:)
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integer, allocatable :: indexes(:)
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type(psb_z_vect_type), allocatable, target :: V(:)
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complex(psb_dpk_), pointer :: b_col_glob(:)
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type(psb_z_vect_type) :: b_col, x_col, r_col
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! communications data structure
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type(psb_desc_type):: desc_a
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integer(psb_ipk_) :: ictxt, iam, np
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! solver paramters
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integer(psb_ipk_) :: iter, itmax, ierr, itrace, ircode, ipart,&
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& methd, istopc, irst, nr
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integer(psb_long_int_k_) :: amatsize, descsize, annz, nbytes
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real(psb_dpk_) :: err, eps,cond
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character(len=5) :: afmt
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character(len=20) :: name
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character(len=2) :: filefmt
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integer(psb_ipk_), parameter :: iunit=12
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integer(psb_ipk_) :: times=0
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integer(psb_ipk_) :: iparm(20)
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! other variables
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integer(psb_ipk_) :: i,info,j,m_problem
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integer(psb_ipk_) :: internal, m,ii,nnzero, dim_H, alloc_stat
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real(psb_dpk_) :: t1, t2, r_amax, b_amax,&
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&scale,resmx,resmxp, flops, bdwdth
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real(psb_dpk_) :: tt1, tt2, tflops
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real (psb_dpk_) :: norm
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complex (psb_dpk_) :: dotprod
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integer(psb_ipk_) :: nrhs, nrow, n_row, nv, ne
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integer(psb_ipk_), allocatable :: ivg(:), ipv(:)
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call psb_init(ictxt)
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call psb_info(ictxt,iam,np)
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if (iam < 0) then
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! This should not happen, but just in case
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call psb_exit(ictxt)
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stop
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endif
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name='arnoldi_file'
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if(psb_get_errstatus() /= 0) goto 9999
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info=psb_success_
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call psb_set_errverbosity(2)
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!
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! Hello world
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!
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if (iam == psb_root_) then
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write(*,*) 'Welcome to PSBLAS version: ',psb_version_string_
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write(*,*) 'This is the ',trim(name),' sample program'
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read(psb_inp_unit,*) mtrx_file
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read(psb_inp_unit,*) filefmt
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read(psb_inp_unit,*) ipart
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read(psb_inp_unit,*) dim_H
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write (psb_out_unit, '("Hessenberg matrix dim is ",i20)') dim_H
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end if
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call psb_bcast(ictxt,mtrx_file)
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call psb_bcast(ictxt,filefmt)
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call psb_bcast(ictxt,ipart)
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call psb_bcast(ictxt,dim_H)
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rhs_file = 'NONE'
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afmt = 'CSR'
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call psb_barrier(ictxt)
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t1 = psb_wtime()
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! read the input matrix to be processed and (possibly) the rhs
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nrhs = 1
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if (iam==psb_root_) then
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select case(psb_toupper(filefmt))
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case('MM')
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! For Matrix Market we have an input file for the matrix
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! and an (optional) second file for the RHS.
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call mm_mat_read(aux_a,info,iunit=iunit,filename=mtrx_file)
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if (info == psb_success_) then
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if (rhs_file /= 'NONE') then
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call mm_array_read(aux_b,info,iunit=iunit,filename=rhs_file)
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end if
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end if
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case ('HB')
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! For Harwell-Boeig we have a single file which may or may not
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! contain an RHS.
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call hb_read(aux_a,info,iunit=iunit,b=aux_b,filename=mtrx_file)
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case default
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info = -1
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write(psb_err_unit,*) 'Wrong choice for fileformat ', filefmt
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end select
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if (info /= psb_success_) then
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write(psb_err_unit,*) 'Error while reading input matrix '
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call psb_abort(ictxt)
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end if
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m_problem = aux_a%get_nrows()
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call psb_bcast(ictxt,m_problem)
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! At this point aux_b may still be unallocated
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if (psb_size(aux_b,dim=1)==m_problem) then
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! if any rhs were present, broadcast the first one
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write(psb_err_unit,'("Ok, got an rhs ")')
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b_col_glob =>aux_b(:,1)
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else
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write(psb_out_unit,'("Generating an rhs...")')
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write(psb_out_unit,'(" ")')
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call psb_realloc(m_problem,1,aux_b,ircode)
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if (ircode /= 0) then
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call psb_errpush(psb_err_alloc_dealloc_,name)
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goto 9999
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endif
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b_col_glob => aux_b(:,1)
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do i=1, m_problem
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b_col_glob(i) = 1.d0
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enddo
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endif
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call psb_bcast(ictxt,b_col_glob(1:m_problem))
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else
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call psb_bcast(ictxt,m_problem)
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call psb_realloc(m_problem,1,aux_b,ircode)
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if (ircode /= 0) then
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call psb_errpush(psb_err_alloc_dealloc_,name)
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goto 9999
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endif
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b_col_glob =>aux_b(:,1)
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call psb_bcast(ictxt,b_col_glob(1:m_problem))
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end if
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! switch over different partition types
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if (ipart == 0) then
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call psb_barrier(ictxt)
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if (iam==psb_root_) write(psb_out_unit,'("Partition type: block")')
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allocate(ivg(m_problem),ipv(np))
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do i=1,m_problem
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call part_block(i,m_problem,np,ipv,nv)
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ivg(i) = ipv(1)
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enddo
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call psb_matdist(aux_a, a,ictxt, &
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& desc_a,b_col_glob,b_col,info,fmt=afmt,v=ivg)
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else if (ipart == 2) then
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if (iam==psb_root_) then
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write(psb_out_unit,'("Partition type: graph")')
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write(psb_out_unit,'(" ")')
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! write(psb_err_unit,'("Build type: graph")')
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call build_mtpart(aux_a,np)
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endif
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call psb_barrier(ictxt)
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call distr_mtpart(psb_root_,ictxt)
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call getv_mtpart(ivg)
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call psb_matdist(aux_a, a, ictxt, &
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& desc_a,b_col_glob,b_col,info,fmt=afmt,v=ivg)
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else
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if (iam==psb_root_) write(psb_out_unit,'("Partition type: block")')
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call psb_matdist(aux_a, a, ictxt, &
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& desc_a,b_col_glob,b_col,info,fmt=afmt,parts=part_block)
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end if
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allocate(H(dim_H,dim_H),stat = alloc_stat)
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do i=1,dim_h
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do j=1,dim_H
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H(i,j)=zzero
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enddo
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enddo
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allocate(V(dim_H+1),stat = alloc_stat)
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do i=1,dim_H+1
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call psb_geall(V(i),desc_a,info)
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call psb_geasb(V(i),desc_a,info)
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enddo
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call V(1)%set(zone)
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t2 = psb_wtime() - t1
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call psb_amx(ictxt, t2)
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if (iam==psb_root_) then
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write(psb_out_unit,'(" ")')
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write(psb_out_unit,'("Time to read and partition matrix : ",es12.5)')t2
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write(psb_out_unit,'(" ")')
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end if
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call psb_barrier(ictxt)
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t1 = psb_wtime()
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norm = psb_genrm2(V(1),desc_a,info)
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if (iam==psb_root_) write(psb_out_unit,'("norma iniziale :"F20.3)')norm
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! H(2,1)=dcmplx(norm,0.0)
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H(2,1)=norm*zone
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norm = 1/norm
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!normalisation of V(1)
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call psb_geaxpby(zzero,V(1),norm*zone,V(1),desc_a, info)
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do i=2,dim_H+1
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call psb_spmm(zone,a,V(i-1),zzero,V(i),desc_a,info,'n') !we do V(i)=a*V(i-1)
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! Gram-Schmitt's reorthogonalisation
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do j=1,i-1
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dotprod= psb_gedot(V(i),V(j),desc_a,info) ! dotprod = (V(i) dot V(j))
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call psb_geaxpby(-dotprod,V(j),zone,V(i),desc_a, info) !V(i)=V(i)-V(j)*dotprod
|
||||
if(iam==psb_root_) write(*,'("dotprod : "i5, g20.4,g20.4)') i,real(dotprod),aimag(dotprod)
|
||||
H(j,i-1)=dotprod
|
||||
end do
|
||||
norm = psb_genrm2(V(i),desc_a,info)
|
||||
if (iam==psb_root_) then
|
||||
write(psb_out_unit,'("norma finale :"i20,F20.3)')i,norm
|
||||
write(psb_out_unit,'("")')
|
||||
end if
|
||||
if (i .ne. dim_H+1) then
|
||||
H(i,i-1)=cmplx(norm,0.0)
|
||||
!H(i,i-1)=norm*zone
|
||||
endif
|
||||
norm=1/norm
|
||||
call psb_geaxpby(zzero,V(i),norm*zone,V(i),desc_a, info)
|
||||
enddo
|
||||
do i=2,dim_H
|
||||
if (iam==psb_root_) write(*,'("basse diagonale de H : "i5, g20.4,g20.4)') i,real(H(i,i-1)),aimag(H(i,i-1))
|
||||
enddo
|
||||
|
||||
write(psb_out_unit,'("")')
|
||||
|
||||
allocate(eig(dim_H),work(dim_h),stat = info)
|
||||
allocate(Z(dim_H,dim_H),stat = alloc_stat)
|
||||
call ZHSEQR('E','N',dim_H,1,dim_H,H,dim_H,eig,Z,dim_H,work,3*dim_H,info)
|
||||
|
||||
!sort H's eigenvalues
|
||||
allocate(indexes(1:dim_H))
|
||||
call psb_qsort(eig,indexes,psb_alsort_up_,psb_sort_ovw_idx_)
|
||||
|
||||
call psb_barrier(ictxt)
|
||||
t2 = psb_wtime() - t1
|
||||
call psb_amx(ictxt,t2)
|
||||
|
||||
nr = desc_a%get_global_rows()
|
||||
annz = a%get_nzeros()
|
||||
amatsize = psb_sizeof(a)
|
||||
descsize = psb_sizeof(desc_a)
|
||||
call psb_sum(ictxt,annz)
|
||||
call psb_sum(ictxt,amatsize)
|
||||
call psb_sum(ictxt,descsize)
|
||||
|
||||
if (iam==psb_root_) then
|
||||
flops = 2.d0*times*annz
|
||||
tflops=flops
|
||||
write(psb_out_unit,'("Matrix: ",a)') mtrx_file
|
||||
write(psb_out_unit,'("Test on : ",i20," processors")') np
|
||||
write(psb_out_unit,'("Size of matrix : ",i20," ")') nr
|
||||
write(psb_out_unit,'("Number of nonzeros : ",i20," ")') annz
|
||||
|
||||
write(*,'("valeurs propres de H : ")')
|
||||
OPEN(unit=10, file=mtrx_file(1:3)//'.txt')
|
||||
do i=dim_H/3,dim_H
|
||||
write(psb_out_unit,'(g20.4,g20.4)')real(eig(i)),aimag(eig(i))
|
||||
write(10,'(g20.4,g20.4)')real(eig(i)),aimag(eig(i))
|
||||
enddo
|
||||
CLOSE(10)
|
||||
|
||||
tflops = tflops / (tt2)
|
||||
!
|
||||
! This computation is valid for CSR
|
||||
!
|
||||
nbytes = nr*(2*psb_sizeof_sp + psb_sizeof_int)+ &
|
||||
& annz*(psb_sizeof_sp + psb_sizeof_int)
|
||||
bdwdth = times*nbytes/(t2*1.d6)
|
||||
bdwdth = times*nbytes/(tt2*1.d6)
|
||||
|
||||
end if
|
||||
|
||||
call psb_gefree(b_col, desc_a,info)
|
||||
call psb_gefree(x_col, desc_a,info)
|
||||
call psb_spfree(a, desc_a,info)
|
||||
call psb_cdfree(desc_a,info)
|
||||
do i=1,dim_H
|
||||
call psb_gefree(V(i),desc_a,info)
|
||||
end do
|
||||
DEALLOCATE (H)
|
||||
DEALLOCATE (eig,V)
|
||||
DEALLOCATE (work)
|
||||
DEALLOCATE (Z)
|
||||
9999 continue
|
||||
if(info /= 0) then
|
||||
call psb_error(ictxt)
|
||||
end if
|
||||
call psb_exit(ictxt)
|
||||
stop
|
||||
|
||||
end program arnoldi_file
|
||||
|
||||
|
||||
|
||||
|
@ -0,0 +1,409 @@
|
||||
!!$
|
||||
!!$ Parallel Sparse BLAS version 3.1
|
||||
!!$ (C) Copyright 2006, 2007, 2008, 2009, 2010, 2012, 2013
|
||||
!!$ Salvatore Filippone University of Rome Tor Vergata
|
||||
!!$ Alfredo Buttari CNRS-IRIT, Toulouse
|
||||
!!$
|
||||
!!$ 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.
|
||||
!!$
|
||||
!!$
|
||||
program arnoldi_file
|
||||
use psb_base_mod
|
||||
use psb_util_mod
|
||||
implicit none
|
||||
|
||||
! input parameters
|
||||
character(len=40) :: kmethd, ptype, mtrx_file, rhs_file
|
||||
|
||||
! sparse matrices
|
||||
type(psb_dspmat_type) :: a, b, aux_a
|
||||
|
||||
! dense matrices
|
||||
real(psb_dpk_), allocatable, target :: aux_b(:,:), d(:)
|
||||
real(psb_dpk_), allocatable , save :: x_col_glob(:), r_col_glob(:)
|
||||
complex(psb_dpk_), allocatable, target :: H(:,:),eig(:),work(:),Z(:,:)
|
||||
integer, allocatable :: indexes(:)
|
||||
type(psb_d_vect_type), allocatable, target :: V(:)
|
||||
real(psb_dpk_), pointer :: b_col_glob(:)
|
||||
type(psb_d_vect_type) :: b_col, x_col, r_col
|
||||
|
||||
|
||||
! communications data structure
|
||||
type(psb_desc_type):: desc_a
|
||||
|
||||
integer(psb_ipk_) :: ictxt, iam, np
|
||||
|
||||
! solver paramters
|
||||
integer(psb_ipk_) :: iter, itmax, ierr, itrace, ircode, ipart,&
|
||||
& methd, istopc, irst, nr
|
||||
integer(psb_long_int_k_) :: amatsize, descsize, annz, nbytes
|
||||
real(psb_dpk_) :: err, eps,cond
|
||||
|
||||
character(len=5) :: afmt
|
||||
character(len=20) :: name
|
||||
character(len=2) :: filefmt
|
||||
integer(psb_ipk_), parameter :: iunit=12
|
||||
integer(psb_ipk_) :: times=0
|
||||
integer(psb_ipk_) :: iparm(20)
|
||||
|
||||
! other variables
|
||||
integer(psb_ipk_) :: i,info,j,m_problem
|
||||
integer(psb_ipk_) :: internal, m,ii,nnzero, dim_H, alloc_stat
|
||||
real(psb_dpk_) :: t1, t2, r_amax, b_amax,&
|
||||
&scale,resmx,resmxp, flops, bdwdth
|
||||
real(psb_dpk_) :: tt1, tt2, tflops
|
||||
real (psb_dpk_) :: norm
|
||||
real (psb_dpk_) :: dotprod
|
||||
integer(psb_ipk_) :: nrhs, nrow, n_row, nv, ne
|
||||
integer(psb_ipk_), allocatable :: ivg(:), ipv(:)
|
||||
|
||||
|
||||
call psb_init(ictxt)
|
||||
call psb_info(ictxt,iam,np)
|
||||
|
||||
if (iam < 0) then
|
||||
! This should not happen, but just in case
|
||||
call psb_exit(ictxt)
|
||||
stop
|
||||
endif
|
||||
|
||||
|
||||
name='arnoldi_file'
|
||||
if(psb_get_errstatus() /= 0) goto 9999
|
||||
info=psb_success_
|
||||
call psb_set_errverbosity(2)
|
||||
!
|
||||
! Hello world
|
||||
!
|
||||
if (iam == psb_root_) then
|
||||
!write(*,*) 'Welcome to PSBLAS version: ',psb_version_string_
|
||||
!write(*,*) 'This is the ',trim(name),' sample program'
|
||||
read(psb_inp_unit,*) mtrx_file
|
||||
read(psb_inp_unit,*) filefmt
|
||||
read(psb_inp_unit,*) ipart
|
||||
read(psb_inp_unit,*) dim_H
|
||||
end if
|
||||
call psb_bcast(ictxt,mtrx_file)
|
||||
call psb_bcast(ictxt,filefmt)
|
||||
call psb_bcast(ictxt,ipart)
|
||||
call psb_bcast(ictxt,dim_H)
|
||||
rhs_file = 'NONE'
|
||||
afmt = 'CSR'
|
||||
call psb_barrier(ictxt)
|
||||
t1 = psb_wtime()
|
||||
! read the input matrix to be processed and (possibly) the rhs
|
||||
nrhs = 1
|
||||
|
||||
if (iam==psb_root_) then
|
||||
select case(psb_toupper(filefmt))
|
||||
case('MM')
|
||||
! For Matrix Market we have an input file for the matrix
|
||||
! and an (optional) second file for the RHS.
|
||||
call mm_mat_read(aux_a,info,iunit=iunit,filename=mtrx_file)
|
||||
if (info == psb_success_) then
|
||||
if (rhs_file /= 'NONE') then
|
||||
call mm_array_read(aux_b,info,iunit=iunit,filename=rhs_file)
|
||||
end if
|
||||
end if
|
||||
|
||||
case ('HB')
|
||||
! For Harwell-Boeig we have a single file which may or may not
|
||||
! contain an RHS.
|
||||
call hb_read(aux_a,info,iunit=iunit,b=aux_b,filename=mtrx_file)
|
||||
|
||||
case ('AD')
|
||||
call adj_read(aux_a,mtrx_file,iunit,desc_a,info)
|
||||
|
||||
case default
|
||||
info = -1
|
||||
write(psb_err_unit,*) 'Wrong choice for fileformat ', filefmt
|
||||
end select
|
||||
if (info /= psb_success_) then
|
||||
write(psb_err_unit,*) 'Error while reading input matrix '
|
||||
call psb_abort(ictxt)
|
||||
end if
|
||||
|
||||
m_problem = aux_a%get_nrows()
|
||||
call psb_bcast(ictxt,m_problem)
|
||||
|
||||
! At this point aux_b may still be unallocated
|
||||
if (psb_size(aux_b,dim=1)==m_problem) then
|
||||
! if any rhs were present, broadcast the first one
|
||||
write(psb_err_unit,'("Ok, got an rhs ")')
|
||||
b_col_glob =>aux_b(:,1)
|
||||
else
|
||||
! write(psb_out_unit,'("Generating an rhs...")')
|
||||
! write(psb_out_unit,'(" ")')
|
||||
call psb_realloc(m_problem,1,aux_b,ircode)
|
||||
if (ircode /= 0) then
|
||||
call psb_errpush(psb_err_alloc_dealloc_,name)
|
||||
goto 9999
|
||||
endif
|
||||
|
||||
b_col_glob => aux_b(:,1)
|
||||
do i=1, m_problem
|
||||
b_col_glob(i) = 1.d0
|
||||
enddo
|
||||
endif
|
||||
call psb_bcast(ictxt,b_col_glob(1:m_problem))
|
||||
|
||||
else
|
||||
|
||||
call psb_bcast(ictxt,m_problem)
|
||||
call psb_realloc(m_problem,1,aux_b,ircode)
|
||||
if (ircode /= 0) then
|
||||
call psb_errpush(psb_err_alloc_dealloc_,name)
|
||||
goto 9999
|
||||
endif
|
||||
b_col_glob =>aux_b(:,1)
|
||||
call psb_bcast(ictxt,b_col_glob(1:m_problem))
|
||||
|
||||
end if
|
||||
|
||||
! switch over different partition types
|
||||
if (ipart == 0) then
|
||||
call psb_barrier(ictxt)
|
||||
if (iam==psb_root_) write(psb_out_unit,'("Partition type: block")')
|
||||
allocate(ivg(m_problem),ipv(np))
|
||||
do i=1,m_problem
|
||||
call part_block(i,m_problem,np,ipv,nv)
|
||||
ivg(i) = ipv(1)
|
||||
enddo
|
||||
call psb_matdist(aux_a, a,ictxt, &
|
||||
& desc_a,b_col_glob,b_col,info,fmt=afmt,v=ivg)
|
||||
|
||||
else if (ipart == 2) then
|
||||
if (iam==psb_root_) then
|
||||
!write(psb_out_unit,'("Partition type: graph")')
|
||||
!write(psb_out_unit,'(" ")')
|
||||
! write(psb_err_unit,'("Build type: graph")')
|
||||
call build_mtpart(aux_a,np)
|
||||
|
||||
endif
|
||||
call psb_barrier(ictxt)
|
||||
call distr_mtpart(psb_root_,ictxt)
|
||||
call getv_mtpart(ivg)
|
||||
call psb_matdist(aux_a, a, ictxt, &
|
||||
& desc_a,b_col_glob,b_col,info,fmt=afmt,v=ivg)
|
||||
|
||||
else
|
||||
!if (iam==psb_root_) write(psb_out_unit,'("Partition type: block")')
|
||||
call psb_matdist(aux_a, a, ictxt, &
|
||||
& desc_a,b_col_glob,b_col,info,fmt=afmt,parts=part_block)
|
||||
end if
|
||||
|
||||
call lapl(a,b)
|
||||
|
||||
allocate(H(dim_H,dim_H),stat = alloc_stat)
|
||||
do i=1,dim_h
|
||||
do j=1,dim_H
|
||||
H(i,j)=zzero
|
||||
enddo
|
||||
enddo
|
||||
allocate(V(dim_H+1),stat = alloc_stat)
|
||||
do i=1,dim_H+1
|
||||
call psb_geall(V(i),desc_a,info)
|
||||
call psb_geasb(V(i),desc_a,info)
|
||||
enddo
|
||||
call V(1)%set(done)
|
||||
t2 = psb_wtime() - t1
|
||||
call psb_amx(ictxt, t2)
|
||||
|
||||
! if (iam==psb_root_) then
|
||||
!write(psb_out_unit,'(" ")')
|
||||
!write(psb_out_unit,'("Time to read and partition matrix : ",es12.5)')t2
|
||||
!write(psb_out_unit,'(" ")')
|
||||
!end if
|
||||
|
||||
call psb_barrier(ictxt)
|
||||
|
||||
norm = psb_norm2(V(1),desc_a,info)
|
||||
H(2,1)=cmplx(norm,0.0)
|
||||
norm = 1/norm
|
||||
!normalisation of V(1)
|
||||
call psb_geaxpby(dzero,V(1),norm,V(1),desc_a, info)
|
||||
do i=2,dim_H+1
|
||||
call psb_spmm(done,b,V(i-1),dzero,V(i),desc_a,info,'n') !we do V(i)=b*V(i-1)
|
||||
! Gram-Schmitt's reorthogonalisation
|
||||
do j=1,i-1
|
||||
dotprod= psb_gedot(V(i),V(j),desc_a,info) ! dotprod = (V(i) dot V(j))
|
||||
call psb_geaxpby(-dotprod,V(j),done,V(i),desc_a, info) !V(i)=V(i)-V(j)*dotprod
|
||||
H(j,i-1)=cmplx(dotprod,0.0)
|
||||
end do
|
||||
norm = psb_norm2(V(i),desc_a,info)
|
||||
! write(psb_out_unit,'("norma finale :"i20,F20.3)')i,norm
|
||||
! write(psb_out_unit,'("")')
|
||||
if (i .ne. dim_H+1) then
|
||||
H(i,i-1)=cmplx(norm,0.0)
|
||||
endif
|
||||
norm=1/norm
|
||||
call psb_geaxpby(dzero,V(i),norm,V(i),desc_a, info)
|
||||
enddo
|
||||
|
||||
write(psb_out_unit,'("")')
|
||||
|
||||
if (iam==psb_root_) then
|
||||
allocate(eig(dim_H),work(dim_h),Z(dim_H,dim_H),stat = info)
|
||||
call ZHSEQR('E','N',dim_H,1,dim_H,H,dim_H,eig,Z,dim_H,work,dim_H,info)
|
||||
|
||||
!sort H's eigenvalues
|
||||
allocate(indexes(1:dim_H))
|
||||
call psb_qsort(eig,indexes,psb_alsort_up_,psb_sort_ovw_idx_)
|
||||
end if
|
||||
|
||||
call psb_barrier(ictxt)
|
||||
t2 = psb_wtime() - t1
|
||||
call psb_amx(ictxt,t2)
|
||||
|
||||
nr = desc_a%get_global_rows()
|
||||
annz = a%get_nzeros()
|
||||
amatsize = psb_sizeof(a)
|
||||
descsize = psb_sizeof(desc_a)
|
||||
call psb_sum(ictxt,annz)
|
||||
call psb_sum(ictxt,amatsize)
|
||||
call psb_sum(ictxt,descsize)
|
||||
|
||||
if (iam==psb_root_) then
|
||||
flops = 2.d0*times*annz
|
||||
tflops=flops
|
||||
! write(psb_out_unit,'("Matrix: ",a)') mtrx_file
|
||||
! write(psb_out_unit,'("Test on : ",i20," processors")') np
|
||||
! write(psb_out_unit,'("Size of matrix : ",i20," ")') nr
|
||||
! write(psb_out_unit,'("Number of nonzeros : ",i20," ")') annz
|
||||
|
||||
open(15, FILE="resultats.dat", position = 'append',ACTION="WRITE")
|
||||
write (15, '(a,F20.6,F20.6,F20.4)')mtrx_file,real(eig(dim_H)),real(eig(dim_H-1)),t2
|
||||
close(15)
|
||||
DEALLOCATE (work,eig,Z)
|
||||
|
||||
!write(*,'("valeurs propres de H : ")')
|
||||
!do i=dim_H/3,dim_H
|
||||
! write(psb_out_unit,'(g20.4,g20.4)')real(eig(i)),aimag(eig(i))
|
||||
!enddo
|
||||
|
||||
tflops = tflops / (tt2)
|
||||
!
|
||||
! This computation is valid for CSR
|
||||
!
|
||||
nbytes = nr*(2*psb_sizeof_sp + psb_sizeof_int)+ &
|
||||
& annz*(psb_sizeof_sp + psb_sizeof_int)
|
||||
bdwdth = times*nbytes/(t2*1.d6)
|
||||
bdwdth = times*nbytes/(tt2*1.d6)
|
||||
|
||||
end if
|
||||
|
||||
call psb_gefree(b_col, desc_a,info)
|
||||
call psb_gefree(x_col, desc_a,info)
|
||||
call psb_spfree(a, desc_a,info)
|
||||
call psb_cdfree(desc_a,info)
|
||||
do i=1,dim_H
|
||||
call psb_gefree(V(i), desc_a,info)
|
||||
enddo
|
||||
DEALLOCATE (H)
|
||||
DEALLOCATE (V)
|
||||
9999 continue
|
||||
if(info /= 0) then
|
||||
call psb_error(ictxt)
|
||||
end if
|
||||
call psb_exit(ictxt)
|
||||
stop
|
||||
|
||||
contains
|
||||
|
||||
subroutine adj_read (a,filename,iunit,desc_a,info)
|
||||
type(psb_dspmat_type), intent (inout) :: a
|
||||
character(len=40) :: filename
|
||||
integer (psb_ipk_) :: iunit
|
||||
type(psb_desc_type):: desc_a
|
||||
integer (psb_ipk_) :: info
|
||||
|
||||
integer(psb_ipk_) :: i,nnzero,nrows
|
||||
integer (psb_ipk_) :: iError
|
||||
type(psb_d_coo_sparse_mat) :: acoo
|
||||
|
||||
open(iunit, FILE=filename, STATUS="OLD", ACTION="READ")
|
||||
read(iunit, *) nrows , nnzero
|
||||
|
||||
call acoo%allocate(nrows,nrows,nnzero)
|
||||
do i = 1,nnzero
|
||||
read(iunit, *) acoo%ia(i),acoo%ja(i)
|
||||
acoo%ia(i)=acoo%ia(i)+1
|
||||
acoo%ja(i)=acoo%ja(i)+1
|
||||
acoo%val(i)=1.0
|
||||
end do
|
||||
close(UNIT=iunit)
|
||||
!call psb_spall(a,desc_a,info,nnzero)
|
||||
!call psb_spins(nnzero, ia, ja, val, a, desc_a, info)
|
||||
call acoo%set_nzeros(nnzero)
|
||||
call acoo%fix(info)
|
||||
call a%mv_from(acoo)
|
||||
call a%cscnv(info,type='csr')
|
||||
end subroutine adj_read
|
||||
|
||||
|
||||
subroutine lapl(a,b)
|
||||
type(psb_dspmat_type),intent(in)::a
|
||||
type(psb_dspmat_type),intent(out)::b
|
||||
|
||||
type(psb_d_coo_sparse_mat) :: acoo
|
||||
integer(psb_ipk_) :: nz,n,info,i
|
||||
real(psb_dpk_), allocatable :: K(:)
|
||||
|
||||
call a%cp_to(acoo)
|
||||
nz=acoo%get_nzeros()
|
||||
n=a%get_nrows()
|
||||
allocate(K(n))
|
||||
do i=1,n
|
||||
K(i)=0
|
||||
enddo
|
||||
do i=1,nz
|
||||
K(acoo%ia(i))=K(acoo%ia(i))+acoo%val(i)
|
||||
acoo%val(i)=-acoo%val(i)
|
||||
enddo
|
||||
call acoo%reallocate(nz+n)
|
||||
do i=1,n
|
||||
acoo%val(nz+i)=K(i)
|
||||
acoo%ia(nz+i)= i
|
||||
acoo%ja(nz+i)= i
|
||||
enddo
|
||||
call acoo%set_nzeros(nz+n)
|
||||
call acoo%fix(info)
|
||||
call b%mv_from(acoo)
|
||||
!if(iam==psb_root_) then
|
||||
! write(psb_out_unit,'("nz, n",i10,i10," 1")') nz,n
|
||||
! write(psb_out_unit,'("b%get_nzeros ?",i10, " 1")') b%get_nzeros()
|
||||
!else
|
||||
! write(psb_out_unit,'("nz,n",i10,i10," 2")') nz,n
|
||||
! write(psb_out_unit,'("b%get_nzeros ?",i10, " 2")')b%get_nzeros()
|
||||
!end if
|
||||
call b%cscnv(info,'CSR')
|
||||
deallocate (K)
|
||||
end subroutine lapl
|
||||
|
||||
end program arnoldi_file
|
||||
|
||||
|
||||
|
||||
|
@ -0,0 +1,284 @@
|
||||
program laplacian
|
||||
use psb_base_mod
|
||||
use psb_util_mod
|
||||
implicit none
|
||||
|
||||
! input parameters
|
||||
character(len=40) :: mtrx_file, rhs_file
|
||||
|
||||
! sparse matrices
|
||||
type(psb_dspmat_type) :: a, b, aux_a
|
||||
|
||||
! dense matrices
|
||||
real(psb_dpk_), allocatable, target :: aux_b(:,:), d(:)
|
||||
real(psb_dpk_), allocatable , save :: x_col_glob(:), r_col_glob(:)
|
||||
real(psb_dpk_), pointer :: b_col_glob(:)
|
||||
type(psb_d_vect_type) :: b_col, x_col, r_col
|
||||
|
||||
|
||||
! communications data structure
|
||||
type(psb_desc_type):: desc_a
|
||||
|
||||
integer(psb_ipk_) :: ictxt, iam, np
|
||||
|
||||
! solver paramters
|
||||
integer(psb_ipk_) :: iter, itmax, ierr, itrace, ircode, ipart,&
|
||||
& methd, istopc, irst, nr
|
||||
integer(psb_long_int_k_) :: amatsize, descsize, annz, nbytes
|
||||
real(psb_dpk_) :: err, eps,cond
|
||||
|
||||
character(len=5) :: afmt
|
||||
character(len=20) :: name
|
||||
character(len=2) :: filefmt
|
||||
integer(psb_ipk_), parameter :: iunit=12
|
||||
integer(psb_ipk_) :: times=0
|
||||
integer(psb_ipk_) :: iparm(20)
|
||||
|
||||
! other variables
|
||||
integer(psb_ipk_) :: i,info,j,m_problem
|
||||
integer(psb_ipk_) :: internal, m,ii,nnzero
|
||||
real(psb_dpk_) :: t1, t2, r_amax, b_amax,&
|
||||
&scale,resmx,resmxp, flops, bdwdth
|
||||
real(psb_dpk_) :: tt1, tt2, tflops
|
||||
real(psb_dpk_) :: lambda, lambda2
|
||||
real (psb_dpk_) :: norm, precisione
|
||||
integer(psb_ipk_) :: nrhs, nrow, n_row, dim, nv, ne
|
||||
integer(psb_ipk_), allocatable :: ivg(:), ipv(:)
|
||||
|
||||
|
||||
call psb_init(ictxt)
|
||||
call psb_info(ictxt,iam,np)
|
||||
|
||||
if (iam < 0) then
|
||||
! This should not happen, but just in case
|
||||
call psb_exit(ictxt)
|
||||
stop
|
||||
endif
|
||||
|
||||
|
||||
name='laplacian'
|
||||
if(psb_get_errstatus() /= 0) goto 9999
|
||||
info=psb_success_
|
||||
call psb_set_errverbosity(2)
|
||||
!
|
||||
! Hello world
|
||||
!
|
||||
if (iam == psb_root_) then
|
||||
!write(*,*) 'Welcome to PSBLAS version: ',psb_version_string_
|
||||
!write(*,*) 'This is the ',trim(name),' sample program'
|
||||
read(psb_inp_unit,*) mtrx_file
|
||||
read(psb_inp_unit,*) filefmt
|
||||
read(psb_inp_unit,*) ipart
|
||||
read(psb_inp_unit,*) precisione
|
||||
!write (psb_out_unit, '("The precision of the power method is ",F30.20)') precisione
|
||||
end if
|
||||
call psb_bcast(ictxt,mtrx_file)
|
||||
call psb_bcast(ictxt,filefmt)
|
||||
call psb_bcast(ictxt,ipart)
|
||||
call psb_bcast(ictxt,precisione)
|
||||
rhs_file = 'NONE'
|
||||
afmt = 'CSR'
|
||||
call psb_barrier(ictxt)
|
||||
t1 = psb_wtime()
|
||||
! read the input matrix to be processed and (possibly) the rhs
|
||||
nrhs = 1
|
||||
|
||||
if (iam==psb_root_) then
|
||||
select case(psb_toupper(filefmt))
|
||||
case('MM')
|
||||
! For Matrix Market we have an input file for the matrix
|
||||
! and an (optional) second file for the RHS.
|
||||
call mm_mat_read(aux_a,info,iunit=iunit,filename=mtrx_file)
|
||||
if (info == psb_success_) then
|
||||
if (rhs_file /= 'NONE') then
|
||||
call mm_array_read(aux_b,info,iunit=iunit,filename=rhs_file)
|
||||
end if
|
||||
end if
|
||||
|
||||
case ('HB')
|
||||
! For Harwell-Boeing we have a single file which may or may not
|
||||
! contain an RHS.
|
||||
call hb_read(aux_a,info,iunit=iunit,b=aux_b,filename=mtrx_file)
|
||||
|
||||
case ('AD')
|
||||
call adj_read(aux_a,mtrx_file,iunit,desc_a,info)
|
||||
|
||||
case default
|
||||
info = -1
|
||||
write(psb_err_unit,*) 'Wrong choice for fileformat ', filefmt
|
||||
end select
|
||||
if (info /= psb_success_) then
|
||||
write(psb_err_unit,*) 'Error while reading input matrix '
|
||||
call psb_abort(ictxt)
|
||||
end if
|
||||
|
||||
m_problem = aux_a%get_nrows()
|
||||
call psb_bcast(ictxt,m_problem)
|
||||
|
||||
! At this point aux_b may still be unallocated
|
||||
if (psb_size(aux_b,dim=1)==m_problem) then
|
||||
! if any rhs were present, broadcast the first one
|
||||
write(psb_err_unit,'("Ok, got an rhs ")')
|
||||
b_col_glob =>aux_b(:,1)
|
||||
else
|
||||
!write(psb_out_unit,'("Generating an rhs...")')
|
||||
!write(psb_out_unit,'(" ")')
|
||||
call psb_realloc(m_problem,1,aux_b,ircode)
|
||||
if (ircode /= 0) then
|
||||
call psb_errpush(psb_err_alloc_dealloc_,name)
|
||||
goto 9999
|
||||
endif
|
||||
|
||||
b_col_glob => aux_b(:,1)
|
||||
do i=1, m_problem
|
||||
b_col_glob(i) = 1.d0
|
||||
enddo
|
||||
endif
|
||||
call psb_bcast(ictxt,b_col_glob(1:m_problem))
|
||||
|
||||
else
|
||||
|
||||
call psb_bcast(ictxt,m_problem)
|
||||
call psb_realloc(m_problem,1,aux_b,ircode)
|
||||
if (ircode /= 0) then
|
||||
call psb_errpush(psb_err_alloc_dealloc_,name)
|
||||
goto 9999
|
||||
endif
|
||||
b_col_glob =>aux_b(:,1)
|
||||
call psb_bcast(ictxt,b_col_glob(1:m_problem))
|
||||
|
||||
end if
|
||||
|
||||
! switch over different partition types
|
||||
if (ipart == 0) then
|
||||
call psb_barrier(ictxt)
|
||||
!if (iam==psb_root_) write(psb_out_unit,'("Partition type: block")')
|
||||
allocate(ivg(m_problem),ipv(np))
|
||||
do i=1,m_problem
|
||||
call part_block(i,m_problem,np,ipv,nv)
|
||||
ivg(i) = ipv(1)
|
||||
enddo
|
||||
call psb_matdist(aux_a, a,ictxt, &
|
||||
& desc_a,b_col_glob,b_col,info,fmt=afmt,v=ivg)
|
||||
|
||||
else if (ipart == 2) then
|
||||
if (iam==psb_root_) then
|
||||
!write(psb_out_unit,'("Partition type: graph")')
|
||||
!write(psb_out_unit,'(" ")')
|
||||
! write(psb_err_unit,'("Build type: graph")')
|
||||
call build_mtpart(aux_a,np)
|
||||
|
||||
endif
|
||||
call psb_barrier(ictxt)
|
||||
call distr_mtpart(psb_root_,ictxt)
|
||||
call getv_mtpart(ivg)
|
||||
call psb_matdist(aux_a, a, ictxt, &
|
||||
& desc_a,b_col_glob,b_col,info,fmt=afmt,v=ivg)
|
||||
|
||||
else
|
||||
!if (iam==psb_root_) write(psb_out_unit,'("Partition type: block")')
|
||||
call psb_matdist(aux_a, a, ictxt, &
|
||||
& desc_a,b_col_glob,b_col,info,fmt=afmt,parts=part_block)
|
||||
end if
|
||||
|
||||
call lapl(a,b)
|
||||
|
||||
! call psb_gefree(b_col, desc_a,info)
|
||||
!call psb_gefree(x_col, desc_a,info)
|
||||
call psb_spfree(a, desc_a,info)
|
||||
call psb_spfree(b, desc_a,info)
|
||||
call psb_cdfree(desc_a,info)
|
||||
|
||||
9999 continue
|
||||
if(info /= 0) then
|
||||
call psb_error(ictxt)
|
||||
end if
|
||||
call psb_exit(ictxt)
|
||||
stop
|
||||
|
||||
|
||||
contains
|
||||
|
||||
subroutine adj_read (a,filename,iunit,desc_a,info)
|
||||
type(psb_dspmat_type), intent (inout) :: a
|
||||
character(len=40) :: filename
|
||||
integer (psb_ipk_) :: iunit
|
||||
type(psb_desc_type):: desc_a
|
||||
integer (psb_ipk_) :: info
|
||||
|
||||
integer(psb_ipk_) :: i,nnzero,nrows
|
||||
integer (psb_ipk_) :: iError
|
||||
type(psb_d_coo_sparse_mat) :: acoo
|
||||
|
||||
open(iunit, FILE=filename, STATUS="OLD", ACTION="READ")
|
||||
read(iunit, *) nrows , nnzero
|
||||
|
||||
call acoo%allocate(nrows,nrows,nnzero)
|
||||
do i = 1,nnzero
|
||||
read(iunit, *) acoo%ia(i),acoo%ja(i)
|
||||
acoo%ia(i)=acoo%ia(i)+1
|
||||
acoo%ja(i)=acoo%ja(i)+1
|
||||
acoo%val(i)=1.0
|
||||
end do
|
||||
close(UNIT=iunit)
|
||||
call acoo%set_nzeros(nnzero)
|
||||
call acoo%fix(info)
|
||||
call a%mv_from(acoo)
|
||||
call a%cscnv(info,type='csr')
|
||||
end subroutine adj_read
|
||||
|
||||
|
||||
subroutine lapl(a,b)
|
||||
type(psb_dspmat_type),intent(in)::a
|
||||
type(psb_dspmat_type),intent(out)::b
|
||||
|
||||
type(psb_d_coo_sparse_mat) :: acoo
|
||||
integer(psb_ipk_) :: nz,n,info,i
|
||||
real(psb_dpk_), allocatable :: K(:)
|
||||
|
||||
call a%cp_to(acoo)
|
||||
nz=acoo%get_nzeros()
|
||||
n=a%get_nrows()
|
||||
allocate(K(n))
|
||||
do i=1,n
|
||||
K(i)=0
|
||||
enddo
|
||||
do i=1,nz
|
||||
K(acoo%ia(i))=K(acoo%ia(i))+acoo%val(i)
|
||||
acoo%val(i)=-acoo%val(i)
|
||||
enddo
|
||||
call acoo%reallocate(nz+n)
|
||||
call acoo%set_dupl(psb_dupl_add_)
|
||||
do i=1,n
|
||||
acoo%val(nz+i)=K(i)
|
||||
acoo%ia(nz+i)= i
|
||||
acoo%ja(nz+i)= i
|
||||
enddo
|
||||
call acoo%set_nzeros(nz+n)
|
||||
call acoo%fix(info)
|
||||
do i=1,nz
|
||||
if(acoo%ja(i)==acoo%ia(i)) then
|
||||
write(psb_out_unit,'(i10,i10,g20.4)')acoo%ia(i),acoo%ja(i), acoo%val(i)
|
||||
end if
|
||||
enddo
|
||||
!if(iam==psb_root_) then
|
||||
! write(psb_out_unit,'("nz, n",i10,i10," 1")') nz,n
|
||||
! write(psb_out_unit,'("b%get_nzeros ?",i10, " 1")')b%get_nzeros()
|
||||
! else
|
||||
! write(psb_out_unit,'("nz,n",i10,i10," 2")') nz,n
|
||||
! write(psb_out_unit,'("b%get_nzeros ?",i10, " 2")')b%get_nzeros()
|
||||
!end if
|
||||
call b%mv_from(acoo)
|
||||
! if(iam==psb_root_) then
|
||||
! write(psb_out_unit,'("nz, n",i10,i10," 1")') nz,n
|
||||
! write(psb_out_unit,'("b%get_nzeros ?",i10, " 1")')b%get_nzeros()
|
||||
! else
|
||||
! write(psb_out_unit,'("nz,n",i10,i10," 2")') nz,n
|
||||
! write(psb_out_unit,'("b%get_nzeros ?",i10, " 2")')b%get_nzeros()
|
||||
! end if
|
||||
|
||||
call b%cscnv(info,'CSR')
|
||||
deallocate (K)
|
||||
end subroutine lapl
|
||||
|
||||
end program laplacian
|
@ -0,0 +1,300 @@
|
||||
!!$
|
||||
!!$ Parallel Sparse BLAS version 3.1
|
||||
!!$ (C) Copyright 2006, 2007, 2008, 2009, 2010, 2012, 2013
|
||||
!!$ Salvatore Filippone University of Rome Tor Vergata
|
||||
!!$ Alfredo Buttari CNRS-IRIT, Toulouse
|
||||
!!$
|
||||
!!$ 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.
|
||||
!!$
|
||||
!!$
|
||||
program power_file
|
||||
use psb_base_mod
|
||||
use psb_util_mod
|
||||
implicit none
|
||||
|
||||
! input parameters
|
||||
character(len=40) :: kmethd, ptype, mtrx_file, rhs_file
|
||||
|
||||
! sparse matrices
|
||||
type(psb_zspmat_type) :: a, aux_a
|
||||
|
||||
! dense matrices
|
||||
complex(psb_dpk_), allocatable, target :: aux_b(:,:), d(:)
|
||||
complex(psb_dpk_), allocatable , save :: x_col_glob(:), r_col_glob(:)
|
||||
complex(psb_dpk_), pointer :: b_col_glob(:)
|
||||
type(psb_z_vect_type) :: b_col, x_col, r_col
|
||||
|
||||
|
||||
! communications data structure
|
||||
type(psb_desc_type):: desc_a
|
||||
|
||||
integer(psb_ipk_) :: ictxt, iam, np
|
||||
|
||||
! solver paramters
|
||||
integer(psb_ipk_) :: iter, itmax, ierr, itrace, ircode, ipart,&
|
||||
& methd, istopc, irst, nr
|
||||
integer(psb_long_int_k_) :: amatsize, descsize, annz, nbytes
|
||||
real(psb_dpk_) :: err, eps,cond
|
||||
|
||||
character(len=5) :: afmt
|
||||
character(len=20) :: name
|
||||
character(len=2) :: filefmt
|
||||
integer(psb_ipk_), parameter :: iunit=12
|
||||
integer(psb_ipk_) :: times=0
|
||||
integer(psb_ipk_) :: iparm(20)
|
||||
|
||||
! other variables
|
||||
integer(psb_ipk_) :: i,info,j,m_problem
|
||||
integer(psb_ipk_) :: internal, m,ii,nnzero
|
||||
real(psb_dpk_) :: t1, t2, r_amax, b_amax,&
|
||||
&scale,resmx,resmxp, flops, bdwdth
|
||||
real(psb_dpk_) :: tt1, tt2, tflops
|
||||
complex(psb_dpk_) :: lambda, lambda2
|
||||
real (psb_dpk_) :: norm, precisione
|
||||
integer(psb_ipk_) :: nrhs, nrow, n_row, dim, nv, ne
|
||||
integer(psb_ipk_), allocatable :: ivg(:), ipv(:)
|
||||
|
||||
|
||||
call psb_init(ictxt)
|
||||
call psb_info(ictxt,iam,np)
|
||||
|
||||
if (iam < 0) then
|
||||
! This should not happen, but just in case
|
||||
call psb_exit(ictxt)
|
||||
stop
|
||||
endif
|
||||
|
||||
|
||||
name='power_file'
|
||||
if(psb_get_errstatus() /= 0) goto 9999
|
||||
info=psb_success_
|
||||
call psb_set_errverbosity(2)
|
||||
!
|
||||
! Hello world
|
||||
!
|
||||
if (iam == psb_root_) then
|
||||
write(*,*) 'Welcome to PSBLAS version: ',psb_version_string_
|
||||
write(*,*) 'This is the ',trim(name),' sample program'
|
||||
read(psb_inp_unit,*) mtrx_file
|
||||
read(psb_inp_unit,*) filefmt
|
||||
read(psb_inp_unit,*) ipart
|
||||
read(psb_inp_unit,*) precisione
|
||||
write (psb_out_unit, '("The precision of the power method is ",F30.20)') precisione
|
||||
end if
|
||||
call psb_bcast(ictxt,mtrx_file)
|
||||
call psb_bcast(ictxt,filefmt)
|
||||
call psb_bcast(ictxt,ipart)
|
||||
call psb_bcast(ictxt,precisione)
|
||||
rhs_file = 'NONE'
|
||||
afmt = 'CSR'
|
||||
call psb_barrier(ictxt)
|
||||
t1 = psb_wtime()
|
||||
! read the input matrix to be processed and (possibly) the rhs
|
||||
nrhs = 1
|
||||
|
||||
if (iam==psb_root_) then
|
||||
select case(psb_toupper(filefmt))
|
||||
case('MM')
|
||||
! For Matrix Market we have an input file for the matrix
|
||||
! and an (optional) second file for the RHS.
|
||||
call mm_mat_read(aux_a,info,iunit=iunit,filename=mtrx_file)
|
||||
if (info == psb_success_) then
|
||||
if (rhs_file /= 'NONE') then
|
||||
call mm_array_read(aux_b,info,iunit=iunit,filename=rhs_file)
|
||||
end if
|
||||
end if
|
||||
|
||||
case ('HB')
|
||||
! For Harwell-Boeing we have a single file which may or may not
|
||||
! contain an RHS.
|
||||
call hb_read(aux_a,info,iunit=iunit,b=aux_b,filename=mtrx_file)
|
||||
|
||||
case default
|
||||
info = -1
|
||||
write(psb_err_unit,*) 'Wrong choice for fileformat ', filefmt
|
||||
end select
|
||||
if (info /= psb_success_) then
|
||||
write(psb_err_unit,*) 'Error while reading input matrix '
|
||||
call psb_abort(ictxt)
|
||||
end if
|
||||
|
||||
m_problem = aux_a%get_nrows()
|
||||
call psb_bcast(ictxt,m_problem)
|
||||
|
||||
! At this point aux_b may still be unallocated
|
||||
if (psb_size(aux_b,dim=1)==m_problem) then
|
||||
! if any rhs were present, broadcast the first one
|
||||
write(psb_err_unit,'("Ok, got an rhs ")')
|
||||
b_col_glob =>aux_b(:,1)
|
||||
else
|
||||
write(psb_out_unit,'("Generating an rhs...")')
|
||||
write(psb_out_unit,'(" ")')
|
||||
call psb_realloc(m_problem,1,aux_b,ircode)
|
||||
if (ircode /= 0) then
|
||||
call psb_errpush(psb_err_alloc_dealloc_,name)
|
||||
goto 9999
|
||||
endif
|
||||
|
||||
b_col_glob => aux_b(:,1)
|
||||
do i=1, m_problem
|
||||
b_col_glob(i) = 1.d0
|
||||
enddo
|
||||
endif
|
||||
call psb_bcast(ictxt,b_col_glob(1:m_problem))
|
||||
|
||||
else
|
||||
|
||||
call psb_bcast(ictxt,m_problem)
|
||||
call psb_realloc(m_problem,1,aux_b,ircode)
|
||||
if (ircode /= 0) then
|
||||
call psb_errpush(psb_err_alloc_dealloc_,name)
|
||||
goto 9999
|
||||
endif
|
||||
b_col_glob =>aux_b(:,1)
|
||||
call psb_bcast(ictxt,b_col_glob(1:m_problem))
|
||||
|
||||
end if
|
||||
|
||||
! switch over different partition types
|
||||
if (ipart == 0) then
|
||||
call psb_barrier(ictxt)
|
||||
if (iam==psb_root_) write(psb_out_unit,'("Partition type: block")')
|
||||
allocate(ivg(m_problem),ipv(np))
|
||||
do i=1,m_problem
|
||||
call part_block(i,m_problem,np,ipv,nv)
|
||||
ivg(i) = ipv(1)
|
||||
enddo
|
||||
call psb_matdist(aux_a, a,ictxt, &
|
||||
& desc_a,b_col_glob,b_col,info,fmt=afmt,v=ivg)
|
||||
|
||||
else if (ipart == 2) then
|
||||
if (iam==psb_root_) then
|
||||
write(psb_out_unit,'("Partition type: graph")')
|
||||
write(psb_out_unit,'(" ")')
|
||||
! write(psb_err_unit,'("Build type: graph")')
|
||||
call build_mtpart(aux_a,np)
|
||||
|
||||
endif
|
||||
call psb_barrier(ictxt)
|
||||
call distr_mtpart(psb_root_,ictxt)
|
||||
call getv_mtpart(ivg)
|
||||
call psb_matdist(aux_a, a, ictxt, &
|
||||
& desc_a,b_col_glob,b_col,info,fmt=afmt,v=ivg)
|
||||
|
||||
else
|
||||
if (iam==psb_root_) write(psb_out_unit,'("Partition type: block")')
|
||||
call psb_matdist(aux_a, a, ictxt, &
|
||||
& desc_a,b_col_glob,b_col,info,fmt=afmt,parts=part_block)
|
||||
end if
|
||||
|
||||
call psb_geall(x_col,desc_a,info)
|
||||
call x_col%set(zone)
|
||||
call psb_geasb(x_col,desc_a,info)
|
||||
t2 = psb_wtime() - t1
|
||||
|
||||
|
||||
call psb_amx(ictxt, t2)
|
||||
|
||||
if (iam==psb_root_) then
|
||||
write(psb_out_unit,'(" ")')
|
||||
write(psb_out_unit,'("Time to read and partition matrix : ",es12.5)')t2
|
||||
write(psb_out_unit,'(" ")')
|
||||
end if
|
||||
|
||||
call psb_barrier(ictxt)
|
||||
t1 = psb_wtime()
|
||||
call psb_spmm(zone,a,x_col,zzero,b_col,desc_a,info,'n') !we do b_col=a*x_col
|
||||
norm = psb_norm2(b_col,desc_a,info)
|
||||
norm = 1/norm
|
||||
!normalisation of b_col in x_col
|
||||
call psb_geaxpby(zzero,x_col,norm*zone,b_col,desc_a, info)
|
||||
x_col=b_col
|
||||
lambda=0
|
||||
lambda2=1000
|
||||
do while (abs(lambda-lambda2)>precisione)
|
||||
!write (psb_out_unit, '("times",i20)')times
|
||||
times=times+1
|
||||
lambda2=lambda
|
||||
call psb_spmm(zone,a,x_col,zzero,b_col,desc_a,info,'n')
|
||||
norm = psb_norm2(b_col,desc_a,info)
|
||||
lambda = psb_gedot(b_col,x_col,desc_a,info) ! lambda = (A*x_col dot x_col)
|
||||
norm = 1/norm
|
||||
call psb_geaxpby(zzero,x_col,norm*zone,b_col,desc_a, info)
|
||||
x_col=b_col
|
||||
!write (psb_out_unit, '("abs(lambda-lambda2)",F30.20)') abs(lambda-lambda2)
|
||||
!write (psb_out_unit, '("lambda",F30.20,F30.20)') lambda
|
||||
! write (psb_out_unit, '("precisione",F30.20,i20)') precisione, times
|
||||
end do
|
||||
call psb_barrier(ictxt)
|
||||
t2 = psb_wtime() - t1
|
||||
call psb_amx(ictxt,t2)
|
||||
|
||||
nr = desc_a%get_global_rows()
|
||||
annz = a%get_nzeros()
|
||||
amatsize = psb_sizeof(a)
|
||||
descsize = psb_sizeof(desc_a)
|
||||
call psb_sum(ictxt,annz)
|
||||
call psb_sum(ictxt,amatsize)
|
||||
call psb_sum(ictxt,descsize)
|
||||
|
||||
if (iam==psb_root_) then
|
||||
flops = 2.d0*times*annz
|
||||
tflops=flops
|
||||
write(psb_out_unit,'("Matrix: ",a)') mtrx_file
|
||||
write(psb_out_unit,'("Test on : ",i20," processors")') np
|
||||
write(psb_out_unit,'("Size of matrix : ",i20," ")') nr
|
||||
write(psb_out_unit,'("Number of nonzeros : ",i20," ")') annz
|
||||
write(psb_out_unit,'("Memory occupation : ",i20," ")') amatsize
|
||||
write(psb_out_unit,'("Number of flops (",i0," iters) : ",F20.0," ")') times,flops
|
||||
flops = flops / (t2)
|
||||
tflops = tflops / (tt2)
|
||||
write (psb_out_unit, '("The biggest eigenvalue of A is : ",F20.3,F20.3)')lambda
|
||||
!
|
||||
! This computation is valid for CSR
|
||||
!
|
||||
nbytes = nr*(2*psb_sizeof_sp + psb_sizeof_int)+ &
|
||||
& annz*(psb_sizeof_sp + psb_sizeof_int)
|
||||
bdwdth = times*nbytes/(t2*1.d6)
|
||||
bdwdth = times*nbytes/(tt2*1.d6)
|
||||
|
||||
end if
|
||||
|
||||
call psb_gefree(b_col, desc_a,info)
|
||||
call psb_gefree(x_col, desc_a,info)
|
||||
call psb_spfree(a, desc_a,info)
|
||||
call psb_cdfree(desc_a,info)
|
||||
|
||||
9999 continue
|
||||
if(info /= 0) then
|
||||
call psb_error(ictxt)
|
||||
end if
|
||||
call psb_exit(ictxt)
|
||||
stop
|
||||
|
||||
end program power_file
|
||||
|
||||
|
||||
|
||||
|
@ -0,0 +1,343 @@
|
||||
!!$
|
||||
!!$ Parallel Sparse BLAS version 3.1
|
||||
!!$ (C) Copyright 2006, 2007, 2008, 2009, 2010, 2012, 2013
|
||||
!!$ Salvatore Filippone University of Rome Tor Vergata
|
||||
!!$ Alfredo Buttari CNRS-IRIT, Toulouse
|
||||
!!$
|
||||
!!$ 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.
|
||||
!!$
|
||||
!!$
|
||||
program power_file_real
|
||||
use psb_base_mod
|
||||
use psb_util_mod
|
||||
implicit none
|
||||
|
||||
! input parameters
|
||||
character(len=100) :: kmethd, ptype, mtrx_file, rhs_file
|
||||
|
||||
! sparse matrices
|
||||
type(psb_dspmat_type) :: a, aux_a
|
||||
|
||||
! dense matrices
|
||||
real(psb_dpk_), allocatable, target :: aux_b(:,:), d(:)
|
||||
real(psb_dpk_), allocatable , save :: x_col_glob(:), r_col_glob(:)
|
||||
real(psb_dpk_), pointer :: b_col_glob(:)
|
||||
type(psb_d_vect_type) :: b_col, x_col, r_col
|
||||
|
||||
|
||||
! communications data structure
|
||||
type(psb_desc_type):: desc_a
|
||||
|
||||
integer(psb_ipk_) :: ictxt, iam, np
|
||||
|
||||
! solver paramters
|
||||
integer(psb_ipk_) :: iter, itmax, ierr, itrace, ircode, ipart,&
|
||||
& methd, istopc, irst, nr
|
||||
integer(psb_long_int_k_) :: amatsize, descsize, annz, nbytes
|
||||
real(psb_dpk_) :: err, eps,cond
|
||||
|
||||
character(len=5) :: afmt
|
||||
character(len=20) :: name
|
||||
character(len=2) :: filefmt
|
||||
integer(psb_ipk_), parameter :: iunit=12
|
||||
integer(psb_ipk_) :: times=0
|
||||
integer(psb_ipk_) :: iparm(20)
|
||||
|
||||
! other variables
|
||||
integer(psb_ipk_) :: i,info,j,m_problem
|
||||
integer(psb_ipk_) :: internal, m,ii,nnzero
|
||||
real(psb_dpk_) :: t1, t2, r_amax, b_amax,&
|
||||
&scale,resmx,resmxp, flops, bdwdth
|
||||
real(psb_dpk_) :: tt1, tt2, tflops
|
||||
real(psb_dpk_) :: lambda, lambda2
|
||||
real (psb_dpk_) :: norm, precisione
|
||||
integer(psb_ipk_) :: nrhs, nrow, n_row, dim, nv, ne
|
||||
integer(psb_ipk_), allocatable :: ivg(:), ipv(:)
|
||||
|
||||
|
||||
call psb_init(ictxt)
|
||||
call psb_info(ictxt,iam,np)
|
||||
|
||||
if (iam < 0) then
|
||||
! This should not happen, but just in case
|
||||
call psb_exit(ictxt)
|
||||
stop
|
||||
endif
|
||||
|
||||
|
||||
name='power_file'
|
||||
if(psb_get_errstatus() /= 0) goto 9999
|
||||
info=psb_success_
|
||||
call psb_set_errverbosity(2)
|
||||
!
|
||||
! Hello world
|
||||
!
|
||||
if (iam == psb_root_) then
|
||||
!write(*,*) 'Welcome to PSBLAS version: ',psb_version_string_
|
||||
!write(*,*) 'This is the ',trim(name),' sample program'
|
||||
read(psb_inp_unit,*) mtrx_file
|
||||
read(psb_inp_unit,*) filefmt
|
||||
read(psb_inp_unit,*) ipart
|
||||
read(psb_inp_unit,*) precisione
|
||||
!write (psb_out_unit, '("The precision of the power method is ",F30.20)') precisione
|
||||
end if
|
||||
call psb_bcast(ictxt,mtrx_file)
|
||||
call psb_bcast(ictxt,filefmt)
|
||||
call psb_bcast(ictxt,ipart)
|
||||
call psb_bcast(ictxt,precisione)
|
||||
rhs_file = 'NONE'
|
||||
afmt = 'CSR'
|
||||
call psb_barrier(ictxt)
|
||||
t1 = psb_wtime()
|
||||
! read the input matrix to be processed and (possibly) the rhs
|
||||
nrhs = 1
|
||||
|
||||
if (iam==psb_root_) then
|
||||
select case(psb_toupper(filefmt))
|
||||
case('MM')
|
||||
! For Matrix Market we have an input file for the matrix
|
||||
! and an (optional) second file for the RHS.
|
||||
call mm_mat_read(aux_a,info,iunit=iunit,filename=mtrx_file)
|
||||
if (info == psb_success_) then
|
||||
if (rhs_file /= 'NONE') then
|
||||
call mm_array_read(aux_b,info,iunit=iunit,filename=rhs_file)
|
||||
end if
|
||||
end if
|
||||
|
||||
case ('HB')
|
||||
! For Harwell-Boeing we have a single file which may or may not
|
||||
! contain an RHS.
|
||||
call hb_read(aux_a,info,iunit=iunit,b=aux_b,filename=mtrx_file)
|
||||
|
||||
case ('AD')
|
||||
call adj_read(aux_a,mtrx_file,iunit,desc_a,info)
|
||||
|
||||
case default
|
||||
info = -1
|
||||
write(psb_err_unit,*) 'Wrong choice for fileformat ', filefmt
|
||||
end select
|
||||
if (info /= psb_success_) then
|
||||
write(psb_err_unit,*) 'Error while reading input matrix '
|
||||
call psb_abort(ictxt)
|
||||
end if
|
||||
|
||||
m_problem = aux_a%get_nrows()
|
||||
call psb_bcast(ictxt,m_problem)
|
||||
|
||||
! At this point aux_b may still be unallocated
|
||||
if (psb_size(aux_b,dim=1)==m_problem) then
|
||||
! if any rhs were present, broadcast the first one
|
||||
write(psb_err_unit,'("Ok, got an rhs ")')
|
||||
b_col_glob =>aux_b(:,1)
|
||||
else
|
||||
!write(psb_out_unit,'("Generating an rhs...")')
|
||||
!write(psb_out_unit,'(" ")')
|
||||
call psb_realloc(m_problem,1,aux_b,ircode)
|
||||
if (ircode /= 0) then
|
||||
call psb_errpush(psb_err_alloc_dealloc_,name)
|
||||
goto 9999
|
||||
endif
|
||||
|
||||
b_col_glob => aux_b(:,1)
|
||||
do i=1, m_problem
|
||||
b_col_glob(i) = 1.d0
|
||||
enddo
|
||||
endif
|
||||
call psb_bcast(ictxt,b_col_glob(1:m_problem))
|
||||
|
||||
else
|
||||
|
||||
call psb_bcast(ictxt,m_problem)
|
||||
call psb_realloc(m_problem,1,aux_b,ircode)
|
||||
if (ircode /= 0) then
|
||||
call psb_errpush(psb_err_alloc_dealloc_,name)
|
||||
goto 9999
|
||||
endif
|
||||
b_col_glob =>aux_b(:,1)
|
||||
call psb_bcast(ictxt,b_col_glob(1:m_problem))
|
||||
|
||||
end if
|
||||
|
||||
! switch over different partition types
|
||||
if (ipart == 0) then
|
||||
call psb_barrier(ictxt)
|
||||
!if (iam==psb_root_) write(psb_out_unit,'("Partition type: block")')
|
||||
allocate(ivg(m_problem),ipv(np))
|
||||
do i=1,m_problem
|
||||
call part_block(i,m_problem,np,ipv,nv)
|
||||
ivg(i) = ipv(1)
|
||||
enddo
|
||||
call psb_matdist(aux_a, a,ictxt, &
|
||||
& desc_a,b_col_glob,b_col,info,fmt=afmt,v=ivg)
|
||||
|
||||
else if (ipart == 2) then
|
||||
if (iam==psb_root_) then
|
||||
!write(psb_out_unit,'("Partition type: graph")')
|
||||
!write(psb_out_unit,'(" ")')
|
||||
! write(psb_err_unit,'("Build type: graph")')
|
||||
call build_mtpart(aux_a,np)
|
||||
|
||||
endif
|
||||
call psb_barrier(ictxt)
|
||||
call distr_mtpart(psb_root_,ictxt)
|
||||
call getv_mtpart(ivg)
|
||||
call psb_matdist(aux_a, a, ictxt, &
|
||||
& desc_a,b_col_glob,b_col,info,fmt=afmt,v=ivg)
|
||||
|
||||
else
|
||||
!if (iam==psb_root_) write(psb_out_unit,'("Partition type: block")')
|
||||
call psb_matdist(aux_a, a, ictxt, &
|
||||
& desc_a,b_col_glob,b_col,info,fmt=afmt,parts=part_block)
|
||||
end if
|
||||
|
||||
call psb_geall(x_col,desc_a,info)
|
||||
call x_col%set(done)
|
||||
call psb_geasb(x_col,desc_a,info)
|
||||
t2 = psb_wtime() - t1
|
||||
|
||||
|
||||
call psb_amx(ictxt, t2)
|
||||
|
||||
if (iam==psb_root_) then
|
||||
!write(psb_out_unit,'(" ")')
|
||||
!write(psb_out_unit,'("Time to read and partition matrix : ",es12.5)')t2
|
||||
!write(psb_out_unit,'(" ")')
|
||||
end if
|
||||
|
||||
call psb_barrier(ictxt)
|
||||
call psb_spmm(done,a,x_col,dzero,b_col,desc_a,info,'n') !we do b_col=a*x_col
|
||||
norm = psb_norm2(b_col,desc_a,info)
|
||||
norm = 1/norm
|
||||
!normalisation of b_col in x_col
|
||||
call psb_geaxpby(dzero,x_col,norm,b_col,desc_a, info)
|
||||
x_col=b_col
|
||||
lambda=0
|
||||
lambda2=1000
|
||||
do while (abs(lambda-lambda2)>precisione .AND. times<300)
|
||||
!if(iam==psb_root_) write (psb_out_unit,'(F20.6,i20)')abs(lambda-lambda2), times
|
||||
times=times+1
|
||||
lambda2=lambda
|
||||
call psb_spmm(done,a,x_col,dzero,b_col,desc_a,info,'n')
|
||||
norm = psb_norm2(b_col,desc_a,info)
|
||||
lambda = psb_gedot(b_col,x_col,desc_a,info) ! lambda = (A*x_col dot x_col)
|
||||
norm = 1/norm
|
||||
call psb_geaxpby(dzero,x_col,norm,b_col,desc_a, info)
|
||||
x_col=b_col
|
||||
end do
|
||||
call psb_barrier(ictxt)
|
||||
t2 = psb_wtime() - t1
|
||||
call psb_amx(ictxt,t2)
|
||||
|
||||
nr = desc_a%get_global_rows()
|
||||
annz = a%get_nzeros()
|
||||
amatsize = psb_sizeof(a)
|
||||
descsize = psb_sizeof(desc_a)
|
||||
call psb_sum(ictxt,annz)
|
||||
call psb_sum(ictxt,amatsize)
|
||||
call psb_sum(ictxt,descsize)
|
||||
|
||||
if (iam==psb_root_) then
|
||||
flops = 2.d0*times*annz
|
||||
tflops=flops
|
||||
! write(psb_out_unit,'("Matrix: ",a)') mtrx_file
|
||||
! write(psb_out_unit,'("Test on : ",i20," processors")') np
|
||||
! write(psb_out_unit,'("Size of matrix : ",i20," ")') nr
|
||||
! write(psb_out_unit,'("Number of nonzeros : ",i20," ")') annz
|
||||
!write(psb_out_unit,'("Memory occupation : ",i20," ")') amatsize
|
||||
! write(psb_out_unit,'("Number of flops (",i0," iters) : ",F20.0," ")') times,flops
|
||||
! write(psb_out_unit,'("Time for ",i0," iteration (s) : ",F20.3)')times, t2
|
||||
! write(psb_out_unit,'("Time per iteration (ms) : ",F20.3)') t2*1.d3/(1.d0*times)
|
||||
open(15, FILE="resultats.dat", position = 'append',ACTION="WRITE")
|
||||
write (15, '(a,F20.6,F20.4)')mtrx_file,lambda,t2
|
||||
! write (psb_out_unit, '("entropy vect propre :",g20.4)')entropy(x_col)
|
||||
close(15)
|
||||
end if
|
||||
|
||||
call psb_gefree(b_col, desc_a,info)
|
||||
call psb_gefree(x_col, desc_a,info)
|
||||
call psb_spfree(a, desc_a,info)
|
||||
call psb_cdfree(desc_a,info)
|
||||
|
||||
9999 continue
|
||||
if(info /= 0) then
|
||||
call psb_error(ictxt)
|
||||
end if
|
||||
call psb_exit(ictxt)
|
||||
stop
|
||||
|
||||
contains
|
||||
subroutine adj_read (a,filename,iunit,desc_a,info)
|
||||
type(psb_dspmat_type), intent (inout) :: a
|
||||
character(len=100) :: filename
|
||||
integer (psb_ipk_) :: iunit
|
||||
type(psb_desc_type):: desc_a
|
||||
integer (psb_ipk_) :: info
|
||||
|
||||
integer(psb_ipk_) :: i,nnzero,nrows
|
||||
integer (psb_ipk_) :: iError
|
||||
!integer(psb_ipk_), allocatable :: ia(:),ja(:)
|
||||
!real (psb_dpk_), allocatable :: val(:)
|
||||
type(psb_d_coo_sparse_mat) :: acoo
|
||||
|
||||
open(iunit, FILE=filename, STATUS="OLD", ACTION="READ")
|
||||
read(iunit, *) nrows , nnzero
|
||||
|
||||
call acoo%allocate(nrows,nrows,nnzero)
|
||||
do i = 1,nnzero
|
||||
read(iunit, *) acoo%ia(i),acoo%ja(i)
|
||||
acoo%ia(i)=acoo%ia(i)+1
|
||||
acoo%ja(i)=acoo%ja(i)+1
|
||||
acoo%val(i)=1.0
|
||||
end do
|
||||
close(UNIT=iunit)
|
||||
!call psb_spall(a,desc_a,info,nnzero)
|
||||
!call psb_spins(nnzero, ia, ja, val, a, desc_a, info)
|
||||
call acoo%set_nzeros(nnzero)
|
||||
call acoo%fix(info)
|
||||
call a%mv_from(acoo)
|
||||
call a%cscnv(info,type='csr')
|
||||
end subroutine adj_read
|
||||
|
||||
|
||||
real(psb_dpk_) function entropy(vect)
|
||||
type(psb_d_vect_type), intent(inout)::vect
|
||||
|
||||
real(psb_dpk_), allocatable :: v(:)
|
||||
integer(psb_ipk_) :: nrows
|
||||
|
||||
nrows=vect%get_nrows()
|
||||
allocate(v(nrows))
|
||||
v=vect%get_vect()
|
||||
entropy=0
|
||||
do i=1,nrows
|
||||
entropy=entropy+v(i)*v(i)*log(v(i)*v(i))
|
||||
end do
|
||||
return
|
||||
end function entropy
|
||||
end program power_file_real
|
||||
|
||||
|
||||
|
||||
|
@ -0,0 +1,471 @@
|
||||
!!$
|
||||
!!$ Parallel Sparse BLAS version 3.1
|
||||
!!$ (C) Copyright 2006, 2007, 2008, 2009, 2010, 2012, 2013
|
||||
!!$ Salvatore Filippone University of Rome Tor Vergata
|
||||
!!$ Alfredo Buttari CNRS-IRIT, Toulouse
|
||||
!!$
|
||||
!!$ 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.
|
||||
!!$
|
||||
!!$
|
||||
program shift_invert
|
||||
use psb_base_mod
|
||||
use psb_prec_mod
|
||||
use psb_krylov_mod
|
||||
use psb_util_mod
|
||||
implicit none
|
||||
|
||||
! input parameters
|
||||
character(len=40) :: kmethd, ptype, mtrx_file, rhs_file
|
||||
|
||||
! sparse matrices and preconditioner
|
||||
type(psb_dspmat_type) :: a, aux_a, id, a2, b
|
||||
type(psb_d_csr_sparse_mat)::acsr, icsr
|
||||
type(psb_dprec_type) :: prec
|
||||
|
||||
! dense matrices
|
||||
real(psb_dpk_), allocatable, target :: aux_b(:,:), d(:)
|
||||
complex(psb_dpk_), allocatable, target :: H(:,:),eig(:),work(:),Z(:,:)
|
||||
|
||||
real(psb_dpk_), allocatable , save :: x_col_glob(:), r_col_glob(:)
|
||||
real(psb_dpk_), pointer :: b_col_glob(:)
|
||||
type(psb_d_vect_type) :: b_col, x_col, r_col
|
||||
type (psb_d_vect_type), allocatable, target :: V(:)
|
||||
integer(psb_ipk_), allocatable , save :: indexes(:)
|
||||
|
||||
|
||||
! communications data structure
|
||||
type(psb_desc_type):: desc_a
|
||||
integer(psb_ipk_) :: ictxt, iam, np
|
||||
|
||||
! solver paramters
|
||||
integer(psb_ipk_) :: iter, itmax, ierr, itrace, ircode, ipart,&
|
||||
& methd, istopc, irst, nr, sort, annz
|
||||
integer(psb_long_int_k_) :: amatsize, descsize, nbytes
|
||||
real(psb_dpk_) :: err, eps,cond
|
||||
|
||||
character(len=5) :: afmt
|
||||
character(len=20) :: name, ch_err
|
||||
character(len=2) :: filefmt
|
||||
integer(psb_ipk_), parameter :: iunit=12
|
||||
integer(psb_ipk_) :: times=0
|
||||
integer(psb_ipk_) :: iparm(20)
|
||||
|
||||
! other variables
|
||||
integer(psb_ipk_) :: i,info,j,m_problem
|
||||
integer(psb_ipk_) :: internal, m,ii,nnzero,ji
|
||||
real(psb_dpk_) :: t1, t2, r_amax, b_amax,&
|
||||
&scale,resmx,resmxp, flops, bdwdth
|
||||
real(psb_dpk_) :: tt1, tt2, tflops, tprec, sigma,dotprod,norm
|
||||
integer(psb_ipk_) :: nrhs, nrow, n_row, dim, nv, ne,dim_H
|
||||
integer(psb_ipk_), allocatable :: ivg(:), ipv(:)
|
||||
|
||||
|
||||
call psb_init(ictxt)
|
||||
call psb_info(ictxt,iam,np)
|
||||
|
||||
if (iam < 0) then
|
||||
! This should not happen, but just in case
|
||||
call psb_exit(ictxt)
|
||||
stop
|
||||
endif
|
||||
|
||||
|
||||
name='shift_invert_real'
|
||||
if(psb_get_errstatus() /= 0) goto 9999
|
||||
info=psb_success_
|
||||
call psb_set_errverbosity(2)
|
||||
!
|
||||
! Hello world
|
||||
!
|
||||
if (iam == psb_root_) then
|
||||
write(*,*) 'Welcome to PSBLAS version: ',psb_version_string_
|
||||
write(*,*) 'This is the ',trim(name),' sample program'
|
||||
read(psb_inp_unit,*) mtrx_file
|
||||
read(psb_inp_unit,*) filefmt
|
||||
read(psb_inp_unit,*) ipart
|
||||
read(psb_inp_unit,*) ptype
|
||||
read(psb_inp_unit,*) kmethd
|
||||
read(psb_inp_unit,*) dim_H
|
||||
read(psb_inp_unit,*) sigma
|
||||
read(psb_inp_unit,*) eps
|
||||
end if
|
||||
call psb_bcast(ictxt,mtrx_file)
|
||||
call psb_bcast(ictxt,filefmt)
|
||||
call psb_bcast(ictxt,ipart)
|
||||
call psb_bcast(ictxt,dim_H)
|
||||
call psb_bcast(ictxt,kmethd)
|
||||
call psb_bcast(ictxt,ptype)
|
||||
call psb_bcast(ictxt,sigma)
|
||||
call psb_bcast(ictxt,eps)
|
||||
rhs_file = 'NONE'
|
||||
afmt = 'CSR'
|
||||
call psb_barrier(ictxt)
|
||||
t1 = psb_wtime()
|
||||
! read the input matrix to be processed and (possibly) the rhs
|
||||
nrhs = 1
|
||||
|
||||
if (iam==psb_root_) then
|
||||
select case(psb_toupper(filefmt))
|
||||
case('MM')
|
||||
! For Matrix Market we have an input file for the matrix
|
||||
! and an (optional) second file for the RHS.
|
||||
call mm_mat_read(aux_a,info,iunit=iunit,filename=mtrx_file)
|
||||
if (info == psb_success_) then
|
||||
if (rhs_file /= 'NONE') then
|
||||
call mm_array_read(aux_b,info,iunit=iunit,filename=rhs_file)
|
||||
end if
|
||||
end if
|
||||
|
||||
case ('HB')
|
||||
! For Harwell-Boeig we have a single file which may or may not
|
||||
! contain an RHS.
|
||||
call hb_read(aux_a,info,iunit=iunit,b=aux_b,filename=mtrx_file)
|
||||
|
||||
case ('AD')
|
||||
call adj_read(aux_a,mtrx_file,iunit,desc_a,info)
|
||||
|
||||
case default
|
||||
info = -1
|
||||
write(psb_err_unit,*) 'Wrong choice for fileformat ', filefmt
|
||||
end select
|
||||
if (info /= psb_success_) then
|
||||
write(psb_err_unit,*) 'Error while reading input matrix '
|
||||
call psb_abort(ictxt)
|
||||
end if
|
||||
|
||||
m_problem = aux_a%get_nrows()
|
||||
annz=aux_a%get_nzeros()
|
||||
call psb_bcast(ictxt,m_problem)
|
||||
|
||||
! At this point aux_b may still be unallocated
|
||||
if (psb_size(aux_b,dim=1)==m_problem) then
|
||||
! if any rhs were present, broadcast the first one
|
||||
write(psb_err_unit,'("Ok, got an rhs ")')
|
||||
b_col_glob =>aux_b(:,1)
|
||||
else
|
||||
! write(psb_out_unit,'("Generating an rhs...")')
|
||||
! write(psb_out_unit,'(" ")')
|
||||
call psb_realloc(m_problem,1,aux_b,ircode)
|
||||
if (ircode /= 0) then
|
||||
call psb_errpush(psb_err_alloc_dealloc_,name)
|
||||
goto 9999
|
||||
endif
|
||||
|
||||
b_col_glob => aux_b(:,1)
|
||||
do i=1, m_problem
|
||||
b_col_glob(i) = 1.d0
|
||||
enddo
|
||||
endif
|
||||
call psb_bcast(ictxt,b_col_glob(1:m_problem))
|
||||
|
||||
else
|
||||
|
||||
call psb_bcast(ictxt,m_problem)
|
||||
call psb_realloc(m_problem,1,aux_b,ircode)
|
||||
if (ircode /= 0) then
|
||||
call psb_errpush(psb_err_alloc_dealloc_,name)
|
||||
goto 9999
|
||||
endif
|
||||
b_col_glob =>aux_b(:,1)
|
||||
call psb_bcast(ictxt,b_col_glob(1:m_problem))
|
||||
|
||||
end if
|
||||
|
||||
! switch over different partition types
|
||||
if (ipart == 0) then
|
||||
call psb_barrier(ictxt)
|
||||
if (iam==psb_root_) write(psb_out_unit,'("Partition type: block")')
|
||||
allocate(ivg(m_problem),ipv(np))
|
||||
do i=1,m_problem
|
||||
call part_block(i,m_problem,np,ipv,nv)
|
||||
ivg(i) = ipv(1)
|
||||
enddo
|
||||
call psb_matdist(aux_a, a,ictxt, &
|
||||
& desc_a,b_col_glob,b_col,info,fmt=afmt,v=ivg)
|
||||
|
||||
else if (ipart == 2) then
|
||||
if (iam==psb_root_) then
|
||||
!write(psb_out_unit,'("Partition type: graph")')
|
||||
!write(psb_out_unit,'(" ")')
|
||||
! write(psb_err_unit,'("Build type: graph")')
|
||||
call build_mtpart(aux_a,np)
|
||||
|
||||
endif
|
||||
call psb_barrier(ictxt)
|
||||
call distr_mtpart(psb_root_,ictxt)
|
||||
call getv_mtpart(ivg)
|
||||
call psb_matdist(aux_a, a, ictxt, &
|
||||
& desc_a,b_col_glob,b_col,info,fmt=afmt,v=ivg)
|
||||
|
||||
else
|
||||
if (iam==psb_root_) write(psb_out_unit,'("Partition type: block")')
|
||||
call psb_matdist(aux_a, a, ictxt, &
|
||||
& desc_a,b_col_glob,b_col,info,fmt=afmt,parts=part_block)
|
||||
end if
|
||||
|
||||
call lapl(a,b)
|
||||
|
||||
!
|
||||
!a2=a-sigma*id
|
||||
!
|
||||
!sigma = 100
|
||||
call csshift(b,a2,sigma,ictxt)
|
||||
|
||||
!
|
||||
! prepare the preconditioner.
|
||||
!
|
||||
!if(iam == psb_root_) write(psb_out_unit,'("Setting preconditioner to : ", a) ') ptype
|
||||
call psb_precinit(prec,ptype,info)
|
||||
|
||||
call psb_barrier(ictxt)
|
||||
!t1 = psb_wtime()
|
||||
call psb_precbld(a2,desc_a,prec,info)
|
||||
if(info /= psb_success_) then
|
||||
info=psb_err_from_subroutine_
|
||||
ch_err='psb_precbld'
|
||||
call psb_errpush(info,name,a_err=ch_err)
|
||||
goto 9999
|
||||
end if
|
||||
|
||||
tprec = psb_wtime()-t1
|
||||
if (iam == psb_root_) write(psb_out_unit,'("Preconditioner time : ",es12.5)')tprec
|
||||
|
||||
allocate(H(dim_H,dim_H))
|
||||
allocate (V(dim_H+1))
|
||||
do i=1,dim_H+1
|
||||
call psb_geall(V(i),desc_a,info)
|
||||
call psb_geasb(V(i),desc_a,info)
|
||||
enddo
|
||||
call V(1)%set(done)
|
||||
call psb_amx(ictxt, t2)
|
||||
|
||||
!if (iam==psb_root_) then
|
||||
! write(psb_out_unit,'(" ")')
|
||||
! write(psb_out_unit,'("Time to read and partition matrix : ",es12.5)')t2
|
||||
! write(psb_out_unit,'(" ")')
|
||||
!end if
|
||||
|
||||
call psb_barrier(ictxt)
|
||||
t2 = psb_wtime()-t1-tprec
|
||||
if (iam == psb_root_) write(psb_out_unit,'("Preconditioner time : ",es12.5)')t2
|
||||
|
||||
|
||||
norm = psb_norm2(V(1),desc_a, info)
|
||||
H(2,1)=cmplx(norm,0.0)
|
||||
norm = 1/norm
|
||||
call psb_geaxpby(dzero,V(1),norm,V(1),desc_a,info)
|
||||
do i=2,dim_H+1
|
||||
!A*V(i)=V(i-1)
|
||||
call psb_krylov(kmethd,a2,prec,V(i-1),V(i),eps,desc_a,info,&
|
||||
& itmax=1000,iter=iter,err=err,itrace=-1,istop=2,irst=002)
|
||||
!if (iam==psb_root_) write(*,'("iter : "i20)') iter
|
||||
! Gram-Schmitt's reorthogonalisation
|
||||
do j=1,i-1
|
||||
dotprod= psb_gedot(V(i),V(j),desc_a,info) ! dotprod = (V(i) dot V(j))
|
||||
call psb_geaxpby(-dotprod,V(j),done,V(i),desc_a, info)!V(i)=V(i)-V(j)*dotprod
|
||||
H(j,i-1)=cmplx(dotprod,0.0)
|
||||
end do
|
||||
norm = psb_norm2(V(i),desc_a,info)
|
||||
if (i .ne. dim_H+1) then
|
||||
H(i,i-1)=cmplx(norm,0.0)
|
||||
endif
|
||||
norm=1/norm
|
||||
call psb_geaxpby(dzero,V(i),norm,V(i),desc_a, info)
|
||||
enddo
|
||||
|
||||
t2=psb_wtime()-t1-tprec
|
||||
if (iam==psb_root_) write (psb_out_unit,'("temps de arnoldi : " ,es12.5 )') t2
|
||||
if(iam==psb_root_) then
|
||||
allocate(eig(dim_H),work(dim_h),Z(dim_H,dim_H),stat = info)
|
||||
call ZHSEQR('E','N',dim_H,1,dim_H,H,dim_H,eig,Z,dim_H,work,dim_H,info)
|
||||
|
||||
!sort H's eigenvalues
|
||||
allocate(indexes(1:dim_H))
|
||||
call psb_qsort(eig,indexes,psb_alsort_up_,psb_sort_ovw_idx_)
|
||||
do i=1,dim_H
|
||||
eig (i) = cmplx(sigma,0.0)+1/eig(i)
|
||||
!write(psb_out_unit, '("eig(i), i", g20.4, i10)')real(eig(i)),i
|
||||
enddo
|
||||
end if
|
||||
|
||||
call psb_barrier(ictxt)
|
||||
t2 = psb_wtime() - t1
|
||||
call psb_amx(ictxt,t2)
|
||||
|
||||
nr = desc_a%get_global_rows()
|
||||
amatsize = psb_sizeof(a)
|
||||
descsize = psb_sizeof(desc_a)
|
||||
call psb_sum(ictxt,annz)
|
||||
call psb_sum(ictxt,amatsize)
|
||||
call psb_sum(ictxt,descsize)
|
||||
|
||||
if (iam==psb_root_) then
|
||||
flops = 2.d0*times*annz
|
||||
tflops=flops
|
||||
!write(psb_out_unit,'("Matrix: ",a)') mtrx_file
|
||||
!write(psb_out_unit,'("Test on : ",i20," processors")') np
|
||||
!write(psb_out_unit,'("Size of matrix : ",i20," ")') nr
|
||||
!write(psb_out_unit,'("Number of nonzeros : ",i20," ")') annz
|
||||
!write(psb_out_unit,'("Memory occupation : ",i20," ")') amatsize
|
||||
!write(psb_out_unit,'("Number of flops (",i0," iters) : ",F20.0," ")') times,flops
|
||||
|
||||
!write(*,'("eigenvalues near from ", g20.4," : ")') sigma
|
||||
!do i=dim_H/3,dim_H
|
||||
! write(psb_out_unit,'(g20.4,g20.4)')real(eig(i)),aimag(eig(i))
|
||||
!enddo
|
||||
open(15, FILE="resultats.dat", position = 'append',ACTION="WRITE")
|
||||
write (15,'(F20.6,F20.6,F20.4)')real(eig(dim_H-1)),real(eig(dim_H)),t2
|
||||
close(15)
|
||||
DEALLOCATE (work,eig,Z)
|
||||
end if
|
||||
|
||||
call psb_gefree(b_col, desc_a,info)
|
||||
call psb_gefree(x_col, desc_a,info)
|
||||
call psb_spfree(a, desc_a,info)
|
||||
call psb_spfree(a2, desc_a,info)
|
||||
call psb_spfree(b, desc_a,info)
|
||||
call psb_cdfree(desc_a,info)
|
||||
do i=1,dim_H
|
||||
call psb_gefree(V(i), desc_a,info)
|
||||
enddo
|
||||
DEALLOCATE (H)
|
||||
DEALLOCATE (V)
|
||||
|
||||
9999 continue
|
||||
if(info /= 0) then
|
||||
call psb_error(ictxt)
|
||||
end if
|
||||
call psb_exit(ictxt)
|
||||
stop
|
||||
|
||||
|
||||
contains
|
||||
|
||||
subroutine csshift(a,b,sigma,ictx)
|
||||
type(psb_dspmat_type), intent(in) :: a
|
||||
type(psb_dspmat_type), intent(out) :: b
|
||||
real(psb_dpk_) :: sigma
|
||||
integer(psb_ipk_)::ictx
|
||||
|
||||
type(psb_d_coo_sparse_mat) :: acoo
|
||||
integer(psb_ipk_) :: nz,n,info,i
|
||||
|
||||
call a%cp_to(acoo)
|
||||
if (sigma/=0.0) then
|
||||
nz=acoo%get_nzeros()
|
||||
n=a%get_nrows()
|
||||
call acoo%reallocate(nz+n)
|
||||
call acoo%set_dupl(psb_dupl_add_)
|
||||
do i=1,n
|
||||
acoo%val(nz+i)=-sigma
|
||||
acoo%ia(nz+i)= i
|
||||
acoo%ja(nz+i)= i
|
||||
enddo
|
||||
call acoo%set_nzeros(nz+n)
|
||||
call acoo%fix(info)
|
||||
! do i=1,nz
|
||||
! if(acoo%ja(i)==acoo%ia(i)) then
|
||||
! write(psb_out_unit,'(i10,i10,g20.4)')acoo%ja(i),i, acoo%val(i)
|
||||
! end if
|
||||
! enddo
|
||||
!write(psb_out_unit,'("autant de nzeros apres fix ?",i10)') acoo%get_nzeros()-nz
|
||||
end if
|
||||
call b%mv_from(acoo)
|
||||
call b%cscnv(info,'CSR')
|
||||
end subroutine csshift
|
||||
|
||||
subroutine adj_read (a,filename,iunit,desc_a,info)
|
||||
type(psb_dspmat_type), intent (inout) :: a
|
||||
character(len=40) :: filename
|
||||
integer (psb_ipk_) :: iunit
|
||||
type(psb_desc_type):: desc_a
|
||||
integer (psb_ipk_) :: info
|
||||
|
||||
integer(psb_ipk_) :: i,nnzero,nrows
|
||||
integer (psb_ipk_) :: iError
|
||||
type(psb_d_coo_sparse_mat) :: acoo
|
||||
|
||||
open(iunit, FILE=filename, STATUS="OLD", ACTION="READ")
|
||||
read(iunit, *) nrows , nnzero
|
||||
|
||||
call acoo%allocate(nrows,nrows,nnzero)
|
||||
do i = 1,nnzero
|
||||
read(iunit, *) acoo%ia(i),acoo%ja(i)
|
||||
acoo%ia(i)=acoo%ia(i)+1
|
||||
acoo%ja(i)=acoo%ja(i)+1
|
||||
acoo%val(i)=1.0
|
||||
end do
|
||||
close(UNIT=iunit)
|
||||
!call psb_spall(a,desc_a,info,nnzero)
|
||||
!call psb_spins(nnzero, ia, ja, val, a, desc_a, info)
|
||||
call acoo%set_nzeros(nnzero)
|
||||
call acoo%fix(info)
|
||||
call a%mv_from(acoo)
|
||||
call a%cscnv(info,type='csr')
|
||||
end subroutine adj_read
|
||||
|
||||
subroutine lapl(a,b)
|
||||
type(psb_dspmat_type),intent(in)::a
|
||||
type(psb_dspmat_type),intent(out)::b
|
||||
|
||||
type(psb_d_coo_sparse_mat) :: acoo
|
||||
integer(psb_ipk_) :: nz,n,info,i
|
||||
real(psb_dpk_), allocatable :: K(:)
|
||||
|
||||
call a%cp_to(acoo)
|
||||
nz=acoo%get_nzeros()
|
||||
n=a%get_nrows()
|
||||
allocate(K(n))
|
||||
do i=1,n
|
||||
K(i)=0
|
||||
enddo
|
||||
do i=1,nz
|
||||
K(acoo%ia(i))=K(acoo%ia(i))+acoo%val(i)
|
||||
acoo%val(i)=-acoo%val(i)
|
||||
enddo
|
||||
call acoo%reallocate(nz+n)
|
||||
call acoo%set_dupl(psb_dupl_add_)
|
||||
do i=1,n
|
||||
acoo%val(nz+i)=K(i)
|
||||
acoo%ia(nz+i)= i
|
||||
acoo%ja(nz+i)= i
|
||||
enddo
|
||||
call acoo%set_nzeros(nz+n)
|
||||
call acoo%fix(info)
|
||||
do i=1,nz
|
||||
! if(acoo%ja(i)==acoo%ia(i)) then
|
||||
! write(psb_out_unit,'(i10,i10,g20.4)')acoo%ia(i),acoo%ja(i),acoo%val(i)
|
||||
! end if
|
||||
enddo
|
||||
call b%mv_from(acoo)
|
||||
call b%cscnv(info,'CSR')
|
||||
deallocate (K)
|
||||
end subroutine lapl
|
||||
|
||||
end program shift_invert
|
||||
|
||||
|
||||
|
||||
|
@ -0,0 +1,20 @@
|
||||
program test_chseqr
|
||||
|
||||
complex , dimension (1:3,1:3) :: H,Z,Vr
|
||||
complex , dimension (1:6,1:6) :: Rwork
|
||||
complex, dimension (1:3) :: eing,work
|
||||
integer :: info, N
|
||||
N=3
|
||||
H = reshape((/ (1.0,0),(0,0), (2,0), (2,0) , (3,0) , (-4,0) , (0,0) , (0,0) , (2,0) /), shape(H))
|
||||
do i=1,N
|
||||
do j=1,N
|
||||
write(*,'("H : "i5,i5,2x,g20.4,g20.4)')i,j,real(H(i,j)),aimag(H(i,j))
|
||||
end do
|
||||
end do
|
||||
call CHSEQR('E','N',N,1,N,H,N,eing,Z,N,work,N,info)
|
||||
!call CGEEV('N','N',N,H,N,eing,Z,N,Vr,N,work,3*N,Rwork,info)
|
||||
do i=1,N
|
||||
write(*,'("valeur propre de H : "i5, i5, g20.4,g20.4)')info, i,real(eing(i)),aimag(eing(i))
|
||||
enddo
|
||||
|
||||
end program test_chseqr
|
Loading…
Reference in New Issue