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Added test

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psblas-bgmres
gabrielequatrana 6 months ago
parent 08984619dc
commit 77b1e03b39
9 changed files with 1994 additions and 27 deletions
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50
test/block_krylov/gpu/Makefile
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TOPDIR=../../..
include $(TOPDIR)/Make.inc
#
# Libraries used
#
LIBDIR=$(TOPDIR)/lib/
PSBLIBDIR=$(TOPDIR)/lib/
OPTDIR=$(LIBDIR)
PSBINCDIR=$(TOPDIR)/include
PSBMODDIR=$(TOPDIR)/modules
PSBLAS_LIB= -L$(LIBDIR) -L$(PSBLIBDIR) $(LCUDA) -lpsb_ext -lpsb_util -lpsb_krylov -lpsb_prec -lpsb_base
INCDIR=$(TOPDIR)/include
MODDIR=$(TOPDIR)/modules
LDLIBS=$(PSBLDLIBS)
LDLIBSG=$(PSBGPULDLIBS)
FINCLUDES=$(FMFLAG)$(MODDIR) $(FMFLAG)$(INCDIR) $(FMFLAG). $(FMFLAG)$(PSBMODDIR) $(FMFLAG)$(PSBINCDIR) $(LIBRSB_DEFINES)
DBFOBJS=getp.o psb_dbf_sample.o
DCOMP=psb_dbf_compare.o
DPDEGEN=psb_dpde_gen.o
EXEDIR=./runs
all: runsd psb_dbf_sample psb_dbf_compare psb_dpde_gen
runsd:
(if test ! -d runs ; then mkdir runs; fi)
psb_dbf_sample.o: getp.o
psb_dbf_sample: $(DBFOBJS)
$(FLINK) $(LOPT) $(DBFOBJS) -fopenmp -o psb_dbf_sample $(FINCLUDES) $(PSBLAS_LIB) $(LDLIBSG)
/bin/mv psb_dbf_sample $(EXEDIR)
psb_dbf_compare: $(DCOMP)
$(FLINK) $(LOPT) $(DCOMP) -fopenmp -o psb_dbf_compare $(FINCLUDES) $(PSBLAS_LIB) $(LDLIBSG)
/bin/mv psb_dbf_compare $(EXEDIR)
psb_dpde_gen: $(DPDEGEN)
$(FLINK) $(LOPT) $(DPDEGEN) -fopenmp -o psb_dpde_gen $(FINCLUDES) $(PSBLAS_LIB) $(LDLIBSG)
/bin/mv psb_dpde_gen $(EXEDIR)
clean:
/bin/rm -f $(DBFOBJS) $(DCOMP) $(DPDEGEN) *$(.mod) $(EXEDIR)/psb_*f_sample
lib:
(cd ../../; make library)
verycleanlib:
(cd ../../; make veryclean)

169
test/block_krylov/gpu/getp.f90
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!
! Parallel Sparse BLAS version 3.5
! (C) Copyright 2006-2018
! Salvatore Filippone
! Alfredo Buttari
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions
! are met:
! 1. Redistributions of source code must retain the above copyright
! notice, this list of conditions and the following disclaimer.
! 2. Redistributions in binary form must reproduce the above copyright
! notice, this list of conditions, and the following disclaimer in the
! documentation and/or other materials provided with the distribution.
! 3. The name of the PSBLAS group or the names of its contributors may
! not be used to endorse or promote products derived from this
! software without specific written permission.
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE.
!
!
Module getp
interface get_parms
module procedure get_dparms
end interface
contains
!
! Get iteration parameters from the command line
!
subroutine get_dparms(ctxt,mtrx_file,rhs_file,filefmt,kmethd,ptype,part,&
& afmt,nrhs,istopc,itmax,itrace,itrs,eps)
use psb_base_mod
type(psb_ctxt_type) :: ctxt
character(len=2) :: filefmt
character(len=40) :: kmethd, mtrx_file, rhs_file, ptype
character(len=20) :: part
integer(psb_ipk_) :: nrhs,iret,istopc,itmax,itrace,itrs
character(len=40) :: charbuf
real(psb_dpk_) :: eps
character :: afmt*5
integer(psb_ipk_) :: np, iam
integer(psb_ipk_) :: inparms(40), ip, inp_unit
character(len=1024) :: filename
call psb_info(ctxt,iam,np)
if (iam == 0) then
if (command_argument_count()>0) then
call get_command_argument(1,filename)
inp_unit = 30
open(inp_unit,file=filename,action='read',iostat=info)
if (info /= 0) then
write(psb_err_unit,*) 'Could not open file ',filename,' for input'
call psb_abort(ctxt)
stop
else
write(psb_err_unit,*) 'Opened file ',trim(filename),' for input'
end if
else
inp_unit=psb_inp_unit
end if
! Read Input Parameters
read(inp_unit,*) ip
if (ip >= 5) then
read(inp_unit,*) mtrx_file
read(inp_unit,*) rhs_file
read(inp_unit,*) filefmt
read(inp_unit,*) kmethd
read(inp_unit,*) ptype
read(inp_unit,*) afmt
read(inp_unit,*) part
call psb_bcast(ctxt,mtrx_file)
call psb_bcast(ctxt,rhs_file)
call psb_bcast(ctxt,filefmt)
call psb_bcast(ctxt,kmethd)
call psb_bcast(ctxt,ptype)
call psb_bcast(ctxt,afmt)
call psb_bcast(ctxt,part)
if (ip >= 7) then
read(inp_unit,*) nrhs
else
nrhs=4
endif
if (ip >= 8) then
read(inp_unit,*) istopc
else
istopc=1
endif
if (ip >= 9) then
read(inp_unit,*) itmax
else
itmax=500
endif
if (ip >= 10) then
read(inp_unit,*) itrace
else
itrace=-1
endif
if (ip >= 11) then
read(inp_unit,*) itrs
else
itrs = 1
endif
if (ip >= 12) then
read(inp_unit,*) eps
else
eps=1.d-6
endif
inparms(1) = nrhs
inparms(2) = istopc
inparms(3) = itmax
inparms(4) = itrace
inparms(5) = itrs
call psb_bcast(ctxt,inparms(1:5))
call psb_bcast(ctxt,eps)
write(psb_out_unit,'(" ")')
write(psb_out_unit,'("Solving matrix : ",a)') mtrx_file
write(psb_out_unit,'("Number of processors : ",i3)') np
write(psb_out_unit,'("Data distribution : ",a)') part
write(psb_out_unit,'("Iterative method : ",a)') kmethd
write(psb_out_unit,'("Preconditioner : ",a)') ptype
write(psb_out_unit,'("Number of RHS : ",i3)') nrhs
write(psb_out_unit,'("Number of iterations : ",i3)') itrs
write(psb_out_unit,'("Storage format : ",a)') afmt(1:3)
write(psb_out_unit,'(" ")')
else
write(psb_err_unit,*) 'Wrong format for input file'
call psb_abort(ctxt)
stop 1
end if
if (inp_unit /= psb_inp_unit) then
close(inp_unit)
end if
else
! Receive Parameters
call psb_bcast(ctxt,mtrx_file)
call psb_bcast(ctxt,rhs_file)
call psb_bcast(ctxt,filefmt)
call psb_bcast(ctxt,kmethd)
call psb_bcast(ctxt,ptype)
call psb_bcast(ctxt,afmt)
call psb_bcast(ctxt,part)
call psb_bcast(ctxt,inparms(1:5))
nrhs = inparms(1)
istopc = inparms(2)
itmax = inparms(3)
itrace = inparms(4)
itrs = inparms(5)
call psb_bcast(ctxt,eps)
end if
end subroutine get_dparms
end module getp

368
test/block_krylov/gpu/psb_dbf_compare.F90
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program psb_dbf_sample
use psb_base_mod
use psb_prec_mod
use psb_krylov_mod
use psb_util_mod
use psb_cuda_mod
use getp
implicit none
! input parameters
character(len=40) :: mtrx_file = "pde80.mtx"
character(len=2) :: filefmt = "MM"
character(len=40) :: kmethd = "GMRES"
character(len=40) :: ptype = "NONE"
character(len=20) :: part = "GRAPH"
character(len=5) :: afmt = "CSR"
character(len=5) :: agfmt = "ELG"
integer(psb_ipk_) :: nrhs = 6
integer(psb_ipk_) :: istopbg = 1
integer(psb_ipk_) :: istoprg = 2
integer(psb_ipk_) :: itmax = 500
integer(psb_ipk_) :: itrace = -1
integer(psb_ipk_) :: itrs = 30
real(psb_dpk_) :: eps = 1.d-7
! sparse matrices
type(psb_dspmat_type) :: a, agpu
type(psb_ldspmat_type) :: aux_a
! preconditioner data
type(psb_dprec_type) :: prec
! dense matrices
real(psb_dpk_), allocatable, target :: aux_b(:,:)
real(psb_dpk_), allocatable, save :: x_mv_glob(:,:), r_mv_glob(:,:)
real(psb_dpk_), allocatable, save :: x_col_glob(:), r_col_glob(:)
real(psb_dpk_), pointer :: b_mv_glob(:,:)
real(psb_dpk_), pointer :: b_col_glob(:)
type(psb_d_multivect_type) :: b_mv, x_mv, r_mv
type(psb_d_vect_type) :: b_col, x_col, r_col
type(psb_d_multivect_cuda) :: gpumold_mv
type(psb_d_vect_cuda) :: gpumold_col
type(psb_i_vect_cuda) :: imold
integer(psb_ipk_) :: m
real(psb_dpk_) :: random_value
! molds
type(psb_d_cuda_csrg_sparse_mat), target :: acsrg
type(psb_d_cuda_hlg_sparse_mat), target :: ahlg
type(psb_d_cuda_elg_sparse_mat), target :: aelg
class(psb_d_base_sparse_mat), pointer :: agmold
! communications data structure
type(psb_desc_type) :: desc_a
type(psb_ctxt_type) :: ctxt
integer(psb_ipk_) :: iam, np
integer(psb_lpk_) :: lnp
! solver paramters
integer(psb_ipk_) :: iter, ierr, ircode, methd, istopc
integer(psb_epk_) :: amatsize, precsize, descsize
real(psb_dpk_) :: err, cond
! other variables
character(len=20) :: name
integer(psb_ipk_) :: reps = 50
integer(psb_ipk_) :: i, j, info, rep
real(psb_dpk_) :: tb1, tb2, tr1, tr2
real(psb_dpk_), allocatable :: resmx(:), tb(:), tr(:)
real(psb_dpk_) :: resmxp
integer(psb_ipk_), allocatable :: ivg(:)
integer(psb_ipk_), parameter :: iunit=12
logical :: print_matrix = .true.
call psb_init(ctxt)
call psb_info(ctxt,iam,np)
call psb_cuda_init(ctxt)
if (iam < 0) then
! This should not happen, but just in case
call psb_exit(ctxt)
stop
endif
name='psb_perf_test'
if(psb_errstatus_fatal()) goto 9999
info=psb_success_
call psb_set_errverbosity(itwo)
!
! Hello world
!
if (iam == psb_root_) then
write(psb_out_unit,'(" ")')
write(psb_out_unit,'("Welcome to PSBLAS version: ",a)') psb_version_string_
write(psb_out_unit,'("This is the ",a," sample program")') trim(name)
write(psb_out_unit,'("Number of processors: ",i8)')np
write(psb_out_unit,'(" ")')
end if
write(*,*) 'Process ',iam,' running on device: ', psb_cuda_getDevice(),' out of', psb_cuda_getDeviceCount()
write(*,*) 'Process ',iam,' device ', psb_cuda_getDevice(),' is a: ', trim(psb_cuda_DeviceName())
select case(psb_toupper(agfmt))
case('ELG')
agmold => aelg
case('HLG')
agmold => ahlg
case('CSRG')
agmold => acsrg
case default
write(*,*) 'Unknown format defaulting to CSRG'
agmold => acsrg
end select
if (iam == psb_root_) then
select case(psb_toupper(filefmt))
case('MM')
call mm_mat_read(aux_a,info,iunit=iunit,filename=mtrx_file)
case ('HB')
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(ctxt)
end if
m = aux_a%get_nrows()
call psb_bcast(ctxt,m)
! At this point aux_b may still be unallocated
if (size(aux_b) == m*nrhs) then
! if any rhs were present, broadcast the first one
write(psb_err_unit,'("Ok, got an rhs ")')
b_mv_glob =>aux_b(:,:)
else
write(psb_out_unit,'("Generating an rhs...")')
write(psb_out_unit,'("Number of RHS: ",i3)') nrhs
write(psb_out_unit,'(" ")')
call psb_realloc(m,nrhs,aux_b,ircode)
if (ircode /= 0) then
call psb_errpush(psb_err_alloc_dealloc_,name)
goto 9999
endif
b_mv_glob => aux_b(:,:)
do i=1, m
do j=1, nrhs
b_mv_glob(i,j) = done
!call random_number(random_value)
!b_mv_glob(i,j) = random_value
enddo
enddo
endif
else
call psb_bcast(ctxt,m)
end if
! switch over different partition types
select case(psb_toupper(part))
case('BLOCK')
if (iam == psb_root_) write(psb_out_unit,'("Partition type: block")')
call psb_matdist(aux_a,a,ctxt,desc_a,info,fmt=afmt,parts=part_block)
case('GRAPH')
if (iam == psb_root_) then
write(psb_out_unit,'("Partition type: graph vector")')
write(psb_out_unit,'(" ")')
call aux_a%cscnv(info,type='csr')
lnp = np
call build_mtpart(aux_a,lnp)
endif
call psb_barrier(ctxt)
call distr_mtpart(psb_root_,ctxt)
call getv_mtpart(ivg)
call psb_matdist(aux_a,a,ctxt,desc_a,info,fmt=afmt,vg=ivg)
case default
if (iam == psb_root_) write(psb_out_unit,'("Partition type: block")')
call psb_matdist(aux_a,a,ctxt,desc_a,info,fmt=afmt,parts=part_block)
end select
! building the preconditioner
call prec%init(ctxt,ptype,info)
call prec%build(a,desc_a,info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='psb_precbld')
goto 9999
end if
! Set GPU matrix
call a%cscnv(agpu,info,mold=agmold)
call desc_a%cnv(mold=imold)
if ((info /= 0).or.(psb_get_errstatus()/=0)) then
write(0,*) 'From cscnv ',info
call psb_error()
stop
end if
if (iam == psb_root_) then
allocate(tb(reps),tr(reps))
tb = dzero
tr = dzero
end if
if(iam == psb_root_) then
write(psb_out_unit,'(" ")')
write(psb_out_unit,'("Starting BGMRES")')
write(psb_out_unit,'(" ")')
end if
do rep=1,reps
call psb_scatter(b_mv_glob,b_mv,desc_a,info,root=psb_root_,mold=gpumold_mv)
call psb_geall(x_mv,desc_a,info,nrhs)
call x_mv%zero()
call psb_geasb(x_mv,desc_a,info,mold=gpumold_mv)
call psb_geall(r_mv,desc_a,info,nrhs)
call r_mv%zero()
call psb_geasb(r_mv,desc_a,info)
call psb_barrier(ctxt)
tb1 = psb_wtime()
call psb_krylov(kmethd,a,prec,b_mv,x_mv,eps,desc_a,info,&
& itmax=itmax,iter=iter,err=err,itrace=itrace,&
& itrs=itrs,istop=istopbg)
call psb_barrier(ctxt)
tb2 = psb_wtime() - tb1
call psb_amx(ctxt,tb2)
if (iam == psb_root_) then
tb(rep) = tb2
write(*,*) 'Time', rep, tb(rep)
end if
call psb_barrier(ctxt)
call psb_gefree(b_mv,desc_a,info)
call psb_gefree(x_mv,desc_a,info)
end do
if(iam == psb_root_) then
write(psb_out_unit,'(" ")')
write(psb_out_unit,'("Finished BGMRES")')
write(psb_out_unit,'(" ")')
write(psb_out_unit,'("Starting sGMRES")')
write(psb_out_unit,'(" ")')
end if
call psb_barrier(ctxt)
do rep=1,reps
do i=1,nrhs
b_col_glob => aux_b(:,i)
call psb_scatter(b_col_glob,b_col,desc_a,info,root=psb_root_,mold=gpumold_col)
call psb_geall(x_col,desc_a,info)
call x_col%zero()
call psb_geasb(x_col,desc_a,info,mold=gpumold_col)
call psb_geall(r_col,desc_a,info)
call r_col%zero()
call psb_geasb(r_col,desc_a,info)
cond = dzero
call psb_barrier(ctxt)
tr1 = psb_wtime()
call psb_krylov(kmethd,a,prec,b_col,x_col,eps,desc_a,info,&
& itmax=itmax,iter=iter,err=err,itrace=itrace,&
& istop=istoprg,irst=itrs,cond=cond)
call psb_barrier(ctxt)
tr2 = psb_wtime() - tr1
call psb_amx(ctxt,tr2)
if (iam == psb_root_) then
tr(rep) = tr(rep) + tr2
end if
call psb_barrier(ctxt)
call psb_gefree(b_col, desc_a,info)
call psb_gefree(x_col, desc_a,info)
end do
if (iam == psb_root_) then
write(*,*) 'Time', rep, tr(rep)
end if
end do
call psb_barrier(ctxt)
if(iam == psb_root_) then
write(psb_out_unit,'(" ")')
write(psb_out_unit,'("Finished sGMRES")')
write(psb_out_unit,'(" ")')
end if
call psb_spfree(a, desc_a,info)
call prec%free(info)
call psb_cdfree(desc_a,info)
call psb_cuda_exit()
call psb_exit(ctxt)
return
call psb_geaxpby(done,b_mv,dzero,r_mv,desc_a,info)
call psb_spmm(-done,a,x_mv,done,r_mv,desc_a,info)
resmx = psb_genrm2(r_mv,desc_a,info)
resmxp = psb_geamax(r_mv,desc_a,info)
amatsize = a%sizeof()
descsize = desc_a%sizeof()
precsize = prec%sizeof()
call psb_sum(ctxt,amatsize)
call psb_sum(ctxt,descsize)
call psb_sum(ctxt,precsize)
call psb_gather(x_mv_glob,x_mv,desc_a,info,root=psb_root_)
if (info == psb_success_) call psb_gather(r_mv_glob,r_mv,desc_a,info,root=psb_root_)
if (info /= psb_success_) goto 9999
if (iam == psb_root_) then
call prec%descr(info)
write(psb_out_unit,'(" ")')
write(psb_out_unit,'("Computed solution on: ",i8," processors")')np
write(psb_out_unit,'("Matrix: ",a)')mtrx_file
write(psb_out_unit,'("Storage format for A: ",a)')a%get_fmt()
write(psb_out_unit,'("Storage format for DESC_A: ",a)')desc_a%get_fmt()
write(psb_out_unit,'("Total memory occupation for A: ",i12)')amatsize
write(psb_out_unit,'("Total memory occupation for PREC: ",i12)')precsize
write(psb_out_unit,'("Total memory occupation for DESC_A: ",i12)')descsize
write(psb_out_unit,'("Iterations to convergence: ",i12)')iter
write(psb_out_unit,'("Error estimate on exit: ",es12.5)')err
!write(psb_out_unit,'("Time to buil prec.: ",es12.5)')tprec
! write(psb_out_unit,'("Time to solve system: ",es12.5)')t2
!write(psb_out_unit,'("Time per iteration: ",es12.5)')t2/(iter)
!write(psb_out_unit,'("Total time: ",es12.5)')t2+tprec
write(psb_out_unit,'("Residual norm 2: ",es12.5)')maxval(resmx)
write(psb_out_unit,'("Residual norm inf: ",es12.5)')resmxp
write(psb_out_unit,'(a8,4(2x,a20))') 'I','X(I)','R(I)','B(I)'
if (print_matrix) then
do i=1,m
write(psb_out_unit,993) i, x_mv_glob(i,:), r_mv_glob(i,:), b_mv_glob(i,:)
end do
end if
end if
998 format(i8,4(2x,g20.14))
993 format(i6,4(1x,e12.6))
call psb_gefree(b_mv,desc_a,info)
call psb_gefree(x_mv,desc_a,info)
call psb_spfree(a,desc_a,info)
call prec%free(info)
call psb_cdfree(desc_a,info)
call psb_cuda_exit()
call psb_exit(ctxt)
return
9999 call psb_error(ctxt)
return
end program psb_dbf_sample

319
test/block_krylov/gpu/psb_dbf_sample.F90
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program psb_dbf_sample
use psb_base_mod
use psb_prec_mod
use psb_krylov_mod
use psb_util_mod
#ifdef HAVE_CUDA
use psb_cuda_mod
#endif
use getp
implicit none
! input parameters
character(len=40) :: kmethd, ptype, mtrx_file, rhs_file
! sparse matrices
type(psb_dspmat_type) :: a, agpu
type(psb_ldspmat_type) :: aux_a
! preconditioner data
type(psb_dprec_type) :: prec
! dense matrices
real(psb_dpk_), allocatable, target :: aux_b(:,:)
real(psb_dpk_), allocatable, save :: x_mv_glob(:,:), r_mv_glob(:,:)
real(psb_dpk_), pointer :: b_mv_glob(:,:)
type(psb_d_multivect_type) :: b_mv, x_mv, r_mv
type(psb_d_multivect_cuda) :: gpumold
type(psb_i_vect_cuda) :: imold
integer(psb_ipk_) :: m, nrhs
real(psb_dpk_) :: random_value
! molds
type(psb_d_cuda_csrg_sparse_mat), target :: acsrg
type(psb_d_cuda_hlg_sparse_mat), target :: ahlg
type(psb_d_cuda_elg_sparse_mat), target :: aelg
class(psb_d_base_sparse_mat), pointer :: agmold, acmold
! communications data structure
type(psb_desc_type) :: desc_a
type(psb_ctxt_type) :: ctxt
integer(psb_ipk_) :: iam, np
integer(psb_lpk_) :: lnp
! solver paramters
integer(psb_ipk_) :: iter, itmax, ierr, itrace, ircode, methd, istopc, itrs
integer(psb_epk_) :: amatsize, precsize, descsize
real(psb_dpk_) :: err, eps
! input parameters
character(len=5) :: afmt, agfmt = "ELG"
character(len=20) :: name, part
character(len=2) :: filefmt
integer(psb_ipk_), parameter :: iunit=12
! other variables
integer(psb_ipk_) :: i, j, info
real(psb_dpk_) :: t1, t2, tprec
real(psb_dpk_), allocatable :: resmx(:), res(:,:)
real(psb_dpk_) :: resmxp
integer(psb_ipk_), allocatable :: ivg(:)
logical :: print_matrix = .true.
call psb_init(ctxt)
call psb_info(ctxt,iam,np)
call psb_cuda_init(ctxt)
if (iam < 0) then
! This should not happen, but just in case
call psb_exit(ctxt)
stop
endif
name='psb_dbf_sample'
if(psb_errstatus_fatal()) goto 9999
info=psb_success_
call psb_set_errverbosity(itwo)
!
! Hello world
!
if (iam == psb_root_) then
write(psb_out_unit,'(" ")')
write(psb_out_unit,'("Welcome to PSBLAS version: ",a)') psb_version_string_
write(psb_out_unit,'("This is the ",a," sample program")') trim(name)
write(psb_out_unit,'(" ")')
end if
#ifdef HAVE_CUDA
write(*,*) 'Process ',iam,' running on device: ', psb_cuda_getDevice(),' out of', psb_cuda_getDeviceCount()
write(*,*) 'Process ',iam,' device ', psb_cuda_getDevice(),' is a: ', trim(psb_cuda_DeviceName())
#endif
!
! get parameters
!
call get_parms(ctxt,mtrx_file,rhs_file,filefmt,kmethd,ptype,&
& part,afmt,nrhs,istopc,itmax,itrace,itrs,eps)
select case(psb_toupper(agfmt))
case('ELG')
agmold => aelg
case('HLG')
agmold => ahlg
case('CSRG')
agmold => acsrg
case default
write(*,*) 'Unknown format defaulting to CSRG'
agmold => acsrg
end select
call psb_barrier(ctxt)
t1 = psb_wtime()
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(ctxt)
end if
m = aux_a%get_nrows()
call psb_bcast(ctxt,m)
! At this point aux_b may still be unallocated
if (size(aux_b) == m*nrhs) then
! if any rhs were present, broadcast the first one
write(psb_err_unit,'("Ok, got an rhs ")')
b_mv_glob =>aux_b(:,:)
else
write(psb_out_unit,'("Generating an rhs...")')
write(psb_out_unit,'("Number of RHS: ",i3)') nrhs
write(psb_out_unit,'(" ")')
call psb_realloc(m,nrhs,aux_b,ircode)
if (ircode /= 0) then
call psb_errpush(psb_err_alloc_dealloc_,name)
goto 9999
endif
b_mv_glob => aux_b(:,:)
do i=1, m
do j=1, nrhs
b_mv_glob(i,j) = done
!call random_number(random_value)
!b_mv_glob(i,j) = random_value
enddo
enddo
endif
else
call psb_bcast(ctxt,m)
end if
! switch over different partition types
select case(psb_toupper(part))
case('BLOCK')
if (iam == psb_root_) write(psb_out_unit,'("Partition type: block")')
call psb_matdist(aux_a,a,ctxt,desc_a,info,fmt=afmt,parts=part_block)
case('GRAPH')
if (iam == psb_root_) then
write(psb_out_unit,'("Partition type: graph vector")')
write(psb_out_unit,'(" ")')
call aux_a%cscnv(info,type='csr')
lnp = np
call build_mtpart(aux_a,lnp)
endif
call psb_barrier(ctxt)
call distr_mtpart(psb_root_,ctxt)
call getv_mtpart(ivg)
call psb_matdist(aux_a,a,ctxt,desc_a,info,fmt=afmt,vg=ivg)
case default
if (iam == psb_root_) write(psb_out_unit,'("Partition type: block")')
call psb_matdist(aux_a,a,ctxt,desc_a,info,fmt=afmt,parts=part_block)
end select
call a%cscnv(agpu,info,mold=agmold)
if ((info /= 0).or.(psb_get_errstatus()/=0)) then
write(0,*) 'From cscnv ',info
call psb_error()
stop
end if
call desc_a%cnv(mold=imold)
call psb_scatter(b_mv_glob,b_mv,desc_a,info,root=psb_root_,mold=gpumold)
call psb_geall(x_mv,desc_a,info,nrhs)
call x_mv%zero()
call psb_geasb(x_mv,desc_a,info,mold=gpumold)
call psb_geall(r_mv,desc_a,info,nrhs)
call r_mv%zero()
call psb_geasb(r_mv,desc_a,info)
t2 = psb_wtime() - t1
call psb_amx(ctxt, 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
! building the preconditioner
call prec%init(ctxt,ptype,info)
t1 = psb_wtime()
call prec%build(a,desc_a,info)
tprec = psb_wtime()-t1
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='psb_precbld')
goto 9999
end if
call psb_amx(ctxt,tprec)
if(iam == psb_root_) then
write(psb_out_unit,'("Preconditioner time: ",es12.5)')tprec
write(psb_out_unit,'(" ")')
write(psb_out_unit,'("Starting algorithm")')
write(psb_out_unit,'(" ")')
end if
call psb_barrier(ctxt)
t1 = psb_wtime()
call psb_krylov(kmethd,agpu,prec,b_mv,x_mv,eps,desc_a,info,&
& itmax=itmax,iter=iter,err=err,itrace=itrace,&
& itrs=itrs,istop=istopc)
call psb_barrier(ctxt)
t2 = psb_wtime() - t1
call psb_amx(ctxt,t2)
if(iam == psb_root_) then
write(psb_out_unit,'("Finished algorithm")')
write(psb_out_unit,'(" ")')
end if
call psb_geaxpby(done,b_mv,dzero,r_mv,desc_a,info)
call psb_spmm(-done,a,x_mv,done,r_mv,desc_a,info)
resmx = psb_genrm2(r_mv,desc_a,info)
resmxp = psb_geamax(r_mv,desc_a,info)
amatsize = a%sizeof()
descsize = desc_a%sizeof()
precsize = prec%sizeof()
call psb_sum(ctxt,amatsize)
call psb_sum(ctxt,descsize)
call psb_sum(ctxt,precsize)
call psb_gather(x_mv_glob,x_mv,desc_a,info,root=psb_root_)
if (info == psb_success_) call psb_gather(r_mv_glob,r_mv,desc_a,info,root=psb_root_)
if (info /= psb_success_) goto 9999
if (iam == psb_root_) then
call prec%descr(info)
write(psb_out_unit,'(" ")')
write(psb_out_unit,'("Computed solution on: ",i8," processors")')np
write(psb_out_unit,'("Matrix: ",a)')mtrx_file
write(psb_out_unit,'("Storage format for A: ",a)')a%get_fmt()
write(psb_out_unit,'("Storage format for DESC_A: ",a)')desc_a%get_fmt()
write(psb_out_unit,'("Total memory occupation for A: ",i12)')amatsize
write(psb_out_unit,'("Total memory occupation for PREC: ",i12)')precsize
write(psb_out_unit,'("Total memory occupation for DESC_A: ",i12)')descsize
write(psb_out_unit,'("Iterations to convergence: ",i12)')iter
write(psb_out_unit,'("Error estimate on exit: ",es12.5)')err
write(psb_out_unit,'("Time to buil prec.: ",es12.5)')tprec
write(psb_out_unit,'("Time to solve system: ",es12.5)')t2
write(psb_out_unit,'("Time per iteration: ",es12.5)')t2/(iter)
write(psb_out_unit,'("Total time: ",es12.5)')t2+tprec
write(psb_out_unit,'("Residual norm 2: ",es12.5)')maxval(resmx)
write(psb_out_unit,'("Residual norm inf: ",es12.5)')resmxp
write(psb_out_unit,'(a8,4(2x,a20))') 'I','X(I)','R(I)','B(I)'
if (print_matrix) then
do i=1,m
write(psb_out_unit,993) i, x_mv_glob(i,:), r_mv_glob(i,:), b_mv_glob(i,:)
end do
end if
end if
998 format(i8,4(2x,g20.14))
993 format(i6,4(1x,e12.6))
call psb_gefree(b_mv,desc_a,info)
call psb_gefree(x_mv,desc_a,info)
call psb_spfree(a,desc_a,info)
call prec%free(info)
call psb_cdfree(desc_a,info)
call psb_cuda_exit()
call psb_exit(ctxt)
return
9999 call psb_error(ctxt)
return
end program psb_dbf_sample

762
test/block_krylov/gpu/psb_dpde_gen.F90
Unescape Escape View File

@ -0,0 +1,762 @@
module psb_d_pde3d_mod
use psb_base_mod, only : psb_dpk_, psb_ipk_, psb_lpk_, psb_desc_type,&
& psb_dspmat_type, psb_d_multivect_type, dzero,&
& psb_d_base_sparse_mat, psb_d_base_multivect_type, &
& psb_i_base_vect_type, psb_l_base_vect_type
interface
function d_func_3d(x,y,z) result(val)
import :: psb_dpk_
real(psb_dpk_), intent(in) :: x,y,z
real(psb_dpk_) :: val
end function d_func_3d
end interface
interface psb_gen_pde3d
module procedure psb_d_gen_pde3d
end interface psb_gen_pde3d
contains
function d_null_func_3d(x,y,z) result(val)
real(psb_dpk_), intent(in) :: x,y,z
real(psb_dpk_) :: val
val = dzero
end function d_null_func_3d
!
! functions parametrizing the differential equation
!
!
! Note: b1, b2 and b3 are the coefficients of the first
! derivative of the unknown function. The default
! we apply here is to have them zero, so that the resulting
! matrix is symmetric/hermitian and suitable for
! testing with CG and FCG.
! When testing methods for non-hermitian matrices you can
! change the B1/B2/B3 functions to e.g. done/sqrt((3*done))
!
function b1(x,y,z)
use psb_base_mod, only : psb_dpk_, done, dzero
implicit none
real(psb_dpk_) :: b1
real(psb_dpk_), intent(in) :: x,y,z
b1=done/sqrt((3*done))
end function b1
function b2(x,y,z)
use psb_base_mod, only : psb_dpk_, done, dzero
implicit none
real(psb_dpk_) :: b2
real(psb_dpk_), intent(in) :: x,y,z
b2=done/sqrt((3*done))
end function b2
function b3(x,y,z)
use psb_base_mod, only : psb_dpk_, done, dzero
implicit none
real(psb_dpk_) :: b3
real(psb_dpk_), intent(in) :: x,y,z
b3=done/sqrt((3*done))
end function b3
function c(x,y,z)
use psb_base_mod, only : psb_dpk_, done, dzero
implicit none
real(psb_dpk_) :: c
real(psb_dpk_), intent(in) :: x,y,z
c=dzero
end function c
function a1(x,y,z)
use psb_base_mod, only : psb_dpk_, done, dzero
implicit none
real(psb_dpk_) :: a1
real(psb_dpk_), intent(in) :: x,y,z
a1=done/80
end function a1
function a2(x,y,z)
use psb_base_mod, only : psb_dpk_, done, dzero
implicit none
real(psb_dpk_) :: a2
real(psb_dpk_), intent(in) :: x,y,z
a2=done/80
end function a2
function a3(x,y,z)
use psb_base_mod, only : psb_dpk_, done, dzero
implicit none
real(psb_dpk_) :: a3
real(psb_dpk_), intent(in) :: x,y,z
a3=done/80
end function a3
function g(x,y,z)
use psb_base_mod, only : psb_dpk_, done, dzero
implicit none
real(psb_dpk_) :: g
real(psb_dpk_), intent(in) :: x,y,z
g = dzero
if (x == done) then
g = done
else if (x == dzero) then
g = exp(y**2-z**2)
end if
end function g
!
! subroutine to allocate and fill in the coefficient matrix and
! the rhs.
!
subroutine psb_d_gen_pde3d(ctxt,idim,a,bmv,xmv,nrhs,desc_a,afmt,info,&
& f,amold,vmold,imold,partition,nrl,iv,tnd)
use psb_base_mod
use psb_util_mod
!
! Discretizes the partial differential equation
!
! a1 dd(u) a2 dd(u) a3 dd(u) b1 d(u) b2 d(u) b3 d(u)
! - ------ - ------ - ------ + ----- + ------ + ------ + c u = f
! dxdx dydy dzdz dx dy dz
!
! with Dirichlet boundary conditions
! u = g
!
! on the unit cube 0<=x,y,z<=1.
!
!
! Note that if b1=b2=b3=c=0., the PDE is the Laplace equation.
!
implicit none
integer(psb_ipk_) :: idim
type(psb_dspmat_type) :: a
type(psb_d_multivect_type) :: xmv,bmv
integer(psb_ipk_) :: nrhs
type(psb_desc_type) :: desc_a
type(psb_ctxt_type) :: ctxt
integer(psb_ipk_) :: info
character(len=*) :: afmt
procedure(d_func_3d), optional :: f
class(psb_d_base_sparse_mat), optional :: amold
class(psb_d_base_multivect_type), optional :: vmold
class(psb_i_base_vect_type), optional :: imold
integer(psb_ipk_), optional :: partition, nrl,iv(:)
logical, optional :: tnd
! Local variables.
integer(psb_ipk_), parameter :: nb=20
type(psb_d_csc_sparse_mat) :: acsc
type(psb_d_coo_sparse_mat) :: acoo
type(psb_d_csr_sparse_mat) :: acsr
real(psb_dpk_) :: zt(nb,nrhs),x,y,z
integer(psb_ipk_) :: nnz,nr,nlr,i,j,ii,ib,k, partition_
integer(psb_lpk_) :: m,n,glob_row,nt
integer(psb_ipk_) :: ix,iy,iz,ia,indx_owner
! For 3D partition
! Note: integer control variables going directly into an MPI call
! must be 4 bytes, i.e. psb_mpk_
integer(psb_mpk_) :: npdims(3), npp, minfo
integer(psb_ipk_) :: npx,npy,npz, iamx,iamy,iamz,mynx,myny,mynz
integer(psb_ipk_), allocatable :: bndx(:),bndy(:),bndz(:)
! Process grid
integer(psb_ipk_) :: np, iam
integer(psb_ipk_) :: icoeff
integer(psb_lpk_), allocatable :: irow(:),icol(:),myidx(:)
real(psb_dpk_), allocatable :: val(:)
! deltah dimension of each grid cell
! deltat discretization time
real(psb_dpk_) :: deltah, sqdeltah, deltah2
real(psb_dpk_), parameter :: rhs=dzero,one=done,zero=dzero
real(psb_dpk_) :: t0, t1, t2, t3, tasb, talc, ttot, tgen, tcdasb
integer(psb_ipk_) :: err_act
procedure(d_func_3d), pointer :: f_
logical :: tnd_
character(len=20) :: name, ch_err,tmpfmt
info = psb_success_
name = 'create_matrix'
call psb_erractionsave(err_act)
call psb_info(ctxt, iam, np)
if (present(f)) then
f_ => f
else
f_ => d_null_func_3d
end if
deltah = done/(idim+2)
sqdeltah = deltah*deltah
deltah2 = (2*done)* deltah
if (present(partition)) then
if ((1<= partition).and.(partition <= 3)) then
partition_ = partition
else
write(*,*) 'Invalid partition choice ',partition,' defaulting to 3'
partition_ = 3
end if
else
partition_ = 3
end if
! initialize array descriptor and sparse matrix storage. provide an
! estimate of the number of non zeroes
m = (1_psb_lpk_*idim)*idim*idim
n = m
nnz = ((n*7)/(np))
if(iam == psb_root_) write(psb_out_unit,'("Generating Matrix (size=",i0,")...")')n
t0 = psb_wtime()
select case(partition_)
case(1)
! A BLOCK partition
if (present(nrl)) then
nr = nrl
else
!
! Using a simple BLOCK distribution.
!
nt = (m+np-1)/np
nr = max(0,min(nt,m-(iam*nt)))
end if
nt = nr
call psb_sum(ctxt,nt)
if (nt /= m) then
write(psb_err_unit,*) iam, 'Initialization error ',nr,nt,m
info = -1
call psb_barrier(ctxt)
call psb_abort(ctxt)
return
end if
!
! First example of use of CDALL: specify for each process a number of
! contiguous rows
!
call psb_cdall(ctxt,desc_a,info,nl=nr)
myidx = desc_a%get_global_indices()
nlr = size(myidx)
case(2)
! A partition defined by the user through IV
if (present(iv)) then
if (size(iv) /= m) then
write(psb_err_unit,*) iam, 'Initialization error: wrong IV size',size(iv),m
info = -1
call psb_barrier(ctxt)
call psb_abort(ctxt)
return
end if
else
write(psb_err_unit,*) iam, 'Initialization error: IV not present'
info = -1
call psb_barrier(ctxt)
call psb_abort(ctxt)
return
end if
!
! Second example of use of CDALL: specify for each row the
! process that owns it
!
call psb_cdall(ctxt,desc_a,info,vg=iv)
myidx = desc_a%get_global_indices()
nlr = size(myidx)
case(3)
! A 3-dimensional partition
! A nifty MPI function will split the process list
npdims = 0
call mpi_dims_create(np,3,npdims,info)
npx = npdims(1)
npy = npdims(2)
npz = npdims(3)
allocate(bndx(0:npx),bndy(0:npy),bndz(0:npz))
! We can reuse idx2ijk for process indices as well.
call idx2ijk(iamx,iamy,iamz,iam,npx,npy,npz,base=0)
! Now let's split the 3D cube in hexahedra
call dist1Didx(bndx,idim,npx)
mynx = bndx(iamx+1)-bndx(iamx)
call dist1Didx(bndy,idim,npy)
myny = bndy(iamy+1)-bndy(iamy)
call dist1Didx(bndz,idim,npz)
mynz = bndz(iamz+1)-bndz(iamz)
! How many indices do I own?
nlr = mynx*myny*mynz
allocate(myidx(nlr))
! Now, let's generate the list of indices I own
nr = 0
do i=bndx(iamx),bndx(iamx+1)-1
do j=bndy(iamy),bndy(iamy+1)-1
do k=bndz(iamz),bndz(iamz+1)-1
nr = nr + 1
call ijk2idx(myidx(nr),i,j,k,idim,idim,idim)
end do
end do
end do
if (nr /= nlr) then
write(psb_err_unit,*) iam,iamx,iamy,iamz, 'Initialization error: NR vs NLR ',&
& nr,nlr,mynx,myny,mynz
info = -1
call psb_barrier(ctxt)
call psb_abort(ctxt)
end if
!
! Third example of use of CDALL: specify for each process
! the set of global indices it owns.
!
call psb_cdall(ctxt,desc_a,info,vl=myidx)
case default
write(psb_err_unit,*) iam, 'Initialization error: should not get here'
info = -1
call psb_barrier(ctxt)
call psb_abort(ctxt)
return
end select
if (info == psb_success_) call psb_spall(a,desc_a,info,nnz=nnz,&
& dupl=psb_dupl_err_)
! define rhs from boundary conditions; also build initial guess
if (info == psb_success_) call psb_geall(xmv,desc_a,info,n=nrhs)
if (info == psb_success_) call psb_geall(bmv,desc_a,info,n=nrhs)
call psb_barrier(ctxt)
talc = psb_wtime()-t0
if (info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='allocation rout.'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
! we build an auxiliary matrix consisting of one row at a
! time; just a small matrix. might be extended to generate
! a bunch of rows per call.
!
allocate(val(20*nb),irow(20*nb),&
&icol(20*nb),stat=info)
if (info /= psb_success_ ) then
info=psb_err_alloc_dealloc_
call psb_errpush(info,name)
goto 9999
endif
! loop over rows belonging to current process in a block
! distribution.
call psb_barrier(ctxt)
t1 = psb_wtime()
do ii=1, nlr,nb
ib = min(nb,nlr-ii+1)
icoeff = 1
do k=1,ib
i=ii+k-1
! local matrix pointer
glob_row=myidx(i)
! compute gridpoint coordinates
call idx2ijk(ix,iy,iz,glob_row,idim,idim,idim)
! x, y, z coordinates
x = (ix-1)*deltah
y = (iy-1)*deltah
z = (iz-1)*deltah
zt(k,:) = f_(x,y,z)
! internal point: build discretization
!
! term depending on (x-1,y,z)
!
val(icoeff) = -a1(x,y,z)/sqdeltah-b1(x,y,z)/deltah2
if (ix == 1) then
zt(k,:) = g(dzero,y,z)*(-val(icoeff)) + zt(k,:)
else
call ijk2idx(icol(icoeff),ix-1,iy,iz,idim,idim,idim)
irow(icoeff) = glob_row
icoeff = icoeff+1
endif
! term depending on (x,y-1,z)
val(icoeff) = -a2(x,y,z)/sqdeltah-b2(x,y,z)/deltah2
if (iy == 1) then
zt(k,:) = g(x,dzero,z)*(-val(icoeff)) + zt(k,:)
else
call ijk2idx(icol(icoeff),ix,iy-1,iz,idim,idim,idim)
irow(icoeff) = glob_row
icoeff = icoeff+1
endif
! term depending on (x,y,z-1)
val(icoeff)=-a3(x,y,z)/sqdeltah-b3(x,y,z)/deltah2
if (iz == 1) then
zt(k,:) = g(x,y,dzero)*(-val(icoeff)) + zt(k,:)
else
call ijk2idx(icol(icoeff),ix,iy,iz-1,idim,idim,idim)
irow(icoeff) = glob_row
icoeff = icoeff+1
endif
! term depending on (x,y,z)
val(icoeff)=(2*done)*(a1(x,y,z)+a2(x,y,z)+a3(x,y,z))/sqdeltah &
& + c(x,y,z)
call ijk2idx(icol(icoeff),ix,iy,iz,idim,idim,idim)
irow(icoeff) = glob_row
icoeff = icoeff+1
! term depending on (x,y,z+1)
val(icoeff)=-a3(x,y,z)/sqdeltah+b3(x,y,z)/deltah2
if (iz == idim) then
zt(k,:) = g(x,y,done)*(-val(icoeff)) + zt(k,:)
else
call ijk2idx(icol(icoeff),ix,iy,iz+1,idim,idim,idim)
irow(icoeff) = glob_row
icoeff = icoeff+1
endif
! term depending on (x,y+1,z)
val(icoeff)=-a2(x,y,z)/sqdeltah+b2(x,y,z)/deltah2
if (iy == idim) then
zt(k,:) = g(x,done,z)*(-val(icoeff)) + zt(k,:)
else
call ijk2idx(icol(icoeff),ix,iy+1,iz,idim,idim,idim)
irow(icoeff) = glob_row
icoeff = icoeff+1
endif
! term depending on (x+1,y,z)
val(icoeff)=-a1(x,y,z)/sqdeltah+b1(x,y,z)/deltah2
if (ix==idim) then
zt(k,:) = g(done,y,z)*(-val(icoeff)) + zt(k,:)
else
call ijk2idx(icol(icoeff),ix+1,iy,iz,idim,idim,idim)
irow(icoeff) = glob_row
icoeff = icoeff+1
endif
end do
call psb_spins(icoeff-1,irow,icol,val,a,desc_a,info)
if(info /= psb_success_) exit
call psb_geins(ib,myidx(ii:ii+ib-1),zt(1:ib,:),bmv,desc_a,info)
if(info /= psb_success_) exit
zt(:,:)=dzero
call psb_geins(ib,myidx(ii:ii+ib-1),zt(1:ib,:),xmv,desc_a,info)
if(info /= psb_success_) exit
end do
tgen = psb_wtime()-t1
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='insert rout.'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
deallocate(val,irow,icol)
call psb_barrier(ctxt)
t1 = psb_wtime()
call psb_cdasb(desc_a,info,mold=imold)
tcdasb = psb_wtime()-t1
call psb_barrier(ctxt)
t1 = psb_wtime()
if (info == psb_success_) then
if (present(amold)) then
call psb_spasb(a,desc_a,info,mold=amold,bld_and=tnd)
else
call psb_spasb(a,desc_a,info,afmt=afmt,bld_and=tnd)
end if
end if
call psb_barrier(ctxt)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='asb rout.'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
if (info == psb_success_) call psb_geasb(xmv,desc_a,info,mold=vmold)
if (info == psb_success_) call psb_geasb(bmv,desc_a,info,mold=vmold)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='asb rout.'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
tasb = psb_wtime()-t1
call psb_barrier(ctxt)
ttot = psb_wtime() - t0
call psb_amx(ctxt,talc)
call psb_amx(ctxt,tgen)
call psb_amx(ctxt,tasb)
call psb_amx(ctxt,ttot)
if(iam == psb_root_) then
tmpfmt = a%get_fmt()
write(psb_out_unit,'("The matrix has been generated and assembled in ",a3," format.")')&
& tmpfmt
write(psb_out_unit,'("-allocation time : ",es12.5)') talc
write(psb_out_unit,'("-coeff. gen. time : ",es12.5)') tgen
write(psb_out_unit,'("-desc asbly time : ",es12.5)') tcdasb
write(psb_out_unit,'("- mat asbly time : ",es12.5)') tasb
write(psb_out_unit,'("-total time : ",es12.5)') ttot
end if
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(ctxt,err_act)
return
end subroutine psb_d_gen_pde3d
end module psb_d_pde3d_mod
program dpdegen
use psb_base_mod
use psb_util_mod
use psb_prec_mod
use psb_krylov_mod
use psb_ext_mod
use psb_cuda_mod
use psb_d_pde3d_mod
! input parameters
character(len=40) :: kmethd = "GMRES"
character(len=40) :: ptype = "NONE"
character(len=5) :: agfmt = "CSRG"
integer(psb_ipk_) :: nrhs = 50
integer(psb_ipk_) :: istopbg = 1
integer(psb_ipk_) :: istoprg = 2
integer(psb_ipk_) :: itmax = 500
integer(psb_ipk_) :: itrace = -1
integer(psb_ipk_) :: itrs = 100
real(psb_dpk_) :: eps = 1.d-7
integer(psb_ipk_) :: idim = 10
logical :: tnd = .false.
! sparse matrix
type(psb_dspmat_type) :: a, aux_a
! preconditioner data
type(psb_dprec_type) :: prec
! miscellaneous
real(psb_dpk_) :: tb1, tb2, tr1, tr2
real(psb_dpk_), allocatable :: tb(:), tr(:)
! descriptor
type(psb_desc_type) :: desc_a
! dense matrices
type(psb_d_multivect_type), target :: x_mv, b_mv
type(psb_d_vect_type), target :: x_col, b_col
type(psb_d_multivect_cuda) :: gpumold_mv
type(psb_d_vect_cuda) :: gpumold_col
type(psb_i_vect_cuda) :: imold
real(psb_dpk_), allocatable :: b_mv_glob(:,:)
real(psb_dpk_), allocatable :: b_col_glob(:)
! blacs parameters
type(psb_ctxt_type) :: ctxt
integer :: iam, np
! solver parameters
real(psb_dpk_) :: err, cond
integer(psb_ipk_) :: reps = 2
! molds
type(psb_d_cuda_elg_sparse_mat), target :: aelg
type(psb_d_cuda_csrg_sparse_mat), target :: acsrg
type(psb_d_cuda_hlg_sparse_mat), target :: ahlg
class(psb_d_base_sparse_mat), pointer :: agmold
! other variables
integer(psb_ipk_) :: info, i, j, m_problem, iter, rep
character(len=20) :: name, ch_err
real(psb_dpk_) :: random_value
! Init environment
info=psb_success_
call psb_init(ctxt)
call psb_info(ctxt,iam,np)
call psb_cuda_init(ctxt)
if (iam < 0) then
! This should not happen, but just in case
call psb_exit(ctxt)
stop
endif
if(psb_get_errstatus() /= 0) goto 9999
name='pdegenmm-cuda'
!
! Hello world
!
if (iam == psb_root_) then
write(*,*) 'Welcome to PSBLAS version: ',psb_version_string_
write(*,*) 'This is the ',trim(name),' sample program'
write(psb_out_unit,'("Number of processors: ",i8)')np
end if
write(*,*) 'Process ',iam,' running on device: ', psb_cuda_getDevice(),' out of', psb_cuda_getDeviceCount()
write(*,*) 'Process ',iam,' device ', psb_cuda_getDevice(),' is a: ', trim(psb_cuda_DeviceName())
! allocate and fill in the coefficient matrix and initial vectors
!
call psb_barrier(ctxt)
t1 = psb_wtime()
call psb_gen_pde3d(ctxt,idim,a,b_mv,x_mv,nrhs,desc_a,'CSR ',info,partition=3,tnd=tnd)
call psb_barrier(ctxt)
t2 = psb_wtime() - t1
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='create_matrix'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
if (iam == psb_root_) write(psb_out_unit,'("Overall matrix creation time : ",es12.5)')t2
if (iam == psb_root_) write(psb_out_unit,'(" ")')
! building the preconditioner
call prec%init(ctxt,ptype,info)
call prec%build(a,desc_a,info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='psb_precbld')
goto 9999
end if
select case(psb_toupper(agfmt))
case('ELG')
agmold => aelg
case('HLG')
agmold => ahlg
case('CSRG')
agmold => acsrg
case default
write(*,*) 'Unknown format defaulting to HLG'
agmold => ahlg
end select
call a%cscnv(info,mold=agmold)
call desc_a%cnv(mold=imold)
if ((info /= 0).or.(psb_get_errstatus()/=0)) then
write(0,*) 'From cscnv ',info
call psb_error()
stop
end if
! Set RHS
call psb_geall(b_mv_glob,desc_a,info,n=nrhs)
do i=1,b_mv%get_nrows()
do j=1,b_mv%get_ncols()
call random_number(random_value)
b_mv_glob(i,j) = random_value
end do
end do
if (iam == psb_root_) then
allocate(tb(reps),tr(reps))
tb = dzero
tr = dzero
end if
do rep=1,reps
call psb_scatter(b_mv_glob,b_mv,desc_a,info,root=psb_root_,mold=gpumold_mv)
call psb_geall(x_mv,desc_a,info,nrhs)
call x_mv%zero()
call psb_geasb(x_mv,desc_a,info,mold=gpumold_mv)
call psb_barrier(ctxt)
tb1 = psb_wtime()
call psb_krylov(kmethd,a,prec,b_mv,x_mv,eps,desc_a,info,&
& itmax=itmax,iter=iter,err=err,itrace=itrace,&
& itrs=itrs,istop=istopbg)
call psb_barrier(ctxt)
tb2 = psb_wtime() - tb1
call psb_amx(ctxt,tb2)
if (iam == psb_root_) then
tb(rep) = tb2
write(*,*) 'Time', rep, tb(rep), iter
end if
call psb_barrier(ctxt)
call psb_gefree(b_mv,desc_a,info)
call psb_gefree(x_mv,desc_a,info)
end do
if(iam == psb_root_) then
write(psb_out_unit,'(" ")')
write(psb_out_unit,'("Finished BGMRES")')
write(psb_out_unit,'(" ")')
write(psb_out_unit,'("Starting sGMRES")')
write(psb_out_unit,'(" ")')
end if
call psb_barrier(ctxt)
do rep=1,reps
do i=1,nrhs
b_col_glob = b_mv_glob(:,i)
call psb_scatter(b_col_glob,b_col,desc_a,info,root=psb_root_,mold=gpumold_col)
call psb_geall(x_col,desc_a,info)
call x_col%zero()
call psb_geasb(x_col,desc_a,info,mold=gpumold_col)
cond = dzero
call psb_barrier(ctxt)
tr1 = psb_wtime()
call psb_krylov(kmethd,a,prec,b_col,x_col,eps,desc_a,info,&
& itmax=itmax,iter=iter,err=err,itrace=itrace,&
& istop=istoprg,irst=itrs,cond=cond)
call psb_barrier(ctxt)
tr2 = psb_wtime() - tr1
call psb_amx(ctxt,tr2)
if (iam == psb_root_) then
tr(rep) = tr(rep) + tr2
end if
call psb_barrier(ctxt)
call psb_gefree(b_col, desc_a,info)
call psb_gefree(x_col, desc_a,info)
end do
if (iam == psb_root_) then
write(*,*) 'Time', rep, tr(rep), iter
end if
end do
call psb_barrier(ctxt)
if(iam == psb_root_) then
write(psb_out_unit,'(" ")')
write(psb_out_unit,'("Finished sGMRES")')
write(psb_out_unit,'(" ")')
end if
!
! cleanup storage and exit
!
call psb_spfree(a,desc_a,info)
call psb_cdfree(desc_a,info)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='free routine'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
call psb_cuda_exit()
call psb_exit(ctxt)
return
9999 continue
call psb_error(ctxt)
end program dpdegen

2
test/block_krylov/kernel/Makefile
Unescape Escape View File

@ -8,7 +8,7 @@ PSBLIBDIR=$(TOPDIR)/lib/
OPTDIR=$(LIBDIR)
PSBINCDIR=$(TOPDIR)/include
PSBMODDIR=$(TOPDIR)/modules
PSBLAS_LIB= -L$(LIBDIR) -L$(PSBLIBDIR) $(LCUDA) -lpsb_ext -lpsb_util -lpsb_base
PSBLAS_LIB= -L$(LIBDIR) -L$(PSBLIBDIR) $(LCUDA) -lpsb_ext -lpsb_util -lpsb_base -lpsb_krylov
INCDIR=$(TOPDIR)/include
MODDIR=$(TOPDIR)/modules

43
test/block_krylov/kernel/dpdegenmm.F90
Unescape Escape View File

@ -662,7 +662,7 @@ program pdegenmm
!call get_parms(ctxt,nrhs,acfmt,agfmt,idim,tnd)
nrhs=2
acfmt='CSR'
agfmt='HLG'
agfmt='CSRG'
idim=2
tnd=.false.
call psb_init_timers()
@ -804,27 +804,30 @@ program pdegenmm
x1 = b_mv%get_vect()
x2 = b_mv_g%get_vect()
! ! TODO test AXPBY
! call psb_geall(xg,desc_a,info)
! call psb_geasb(xg,desc_a,info,mold=tmold)
! call xg%set(done)
! TODO test AXPBY
call psb_geall(xg,desc_a,info)
call psb_geasb(xg,desc_a,info,mold=tmold)
call xg%set(done)
!call xg%sync()
! call psb_geall(bg,desc_a,info)
! call psb_geasb(bg,desc_a,info,mold=tmold)
! !call bg%set(done+done)
! ! ! TODO: Non funziona spgpuDaxpby (axpbyMultiVecDeviceDouble)
! call psb_geaxpby(done,xg,dzero,bg,desc_a,info)
! call psb_cuda_DeviceSync()
! write(*,*) 'BG ', bg%is_dev(), bg%is_host(), bg%is_sync()
! call bg%sync()
! write(*,*) 'BG ', bg%is_dev(), bg%is_host(), bg%is_sync()
! do i=1,8
! write(*,*) bg%v%v(i)
! end do
call psb_geall(bg,desc_a,info)
call psb_geasb(bg,desc_a,info,mold=tmold)
!call bg%set(done+done)
do i=1,8
write(*,*) xg%v%v(i)
end do
! return
! ! TODO: Non funziona spgpuDaxpby (axpbyMultiVecDeviceDouble)
call psb_geaxpby(done,xg,dzero,bg,desc_a,info)
call psb_cuda_DeviceSync()
write(*,*) 'BG ', bg%is_dev(), bg%is_host(), bg%is_sync()
call bg%sync()
write(*,*) 'BG ', bg%is_dev(), bg%is_host(), bg%is_sync()
do i=1,8
write(*,*) bg%v%v(i)
end do
return
! call x_mv_g%set(done)
! call x_mv_g%sync()

8
test/block_krylov/psb_dbf_sample.f90
Unescape Escape View File

@ -52,7 +52,7 @@ program psb_dbf_sample
real(psb_dpk_), allocatable :: resmx(:)
real(psb_dpk_) :: resmxp
integer(psb_ipk_), allocatable :: ivg(:)
logical :: print_matrix = .true.
logical :: print_matrix = .false.
call psb_init(ctxt)
call psb_info(ctxt,iam,np)
@ -133,9 +133,9 @@ program psb_dbf_sample
b_mv_glob => aux_b(:,:)
do i=1, m
do j=1, nrhs
b_mv_glob(i,j) = done
!call random_number(random_value)
!b_mv_glob(i,j) = random_value
!b_mv_glob(i,j) = done
call random_number(random_value)
b_mv_glob(i,j) = random_value
enddo
enddo
endif

296
test/block_krylov/psb_perf_test.f90
Unescape Escape View File

@ -0,0 +1,296 @@
program psb_perf_test
use psb_base_mod
use psb_prec_mod
use psb_krylov_mod
use psb_util_mod
implicit none
! input parameters
character(len=40) :: mtrx_file = "pde80.mtx"
character(len=2) :: filefmt = "MM"
character(len=40) :: kmethd = "GMRES"
character(len=40) :: ptype = "NONE"
character(len=20) :: part = "GRAPH"
character(len=5) :: afmt = "CSR"
integer(psb_ipk_) :: nrhs = 4
integer(psb_ipk_) :: istopbg = 1
integer(psb_ipk_) :: istoprg = 2
integer(psb_ipk_) :: itmax = 500
integer(psb_ipk_) :: itrace = -1
integer(psb_ipk_) :: itrs = 10
real(psb_dpk_) :: eps = 1.d-7
integer(psb_ipk_) :: status
! sparse matrices
type(psb_dspmat_type) :: a
type(psb_ldspmat_type) :: aux_a
integer(psb_ipk_), parameter :: iunit=12
! preconditioner data
type(psb_dprec_type) :: prec
! dense matrices
real(psb_dpk_), allocatable, target :: aux_b(:,:)
real(psb_dpk_), allocatable, save :: x_mv_glob(:,:), r_mv_glob(:,:)
real(psb_dpk_), allocatable, save :: x_col_glob(:), r_col_glob(:)
real(psb_dpk_), pointer :: b_mv_glob(:,:)
real(psb_dpk_), pointer :: b_col_glob(:)
type(psb_d_multivect_type) :: b_mv, x_mv, r_mv
type(psb_d_vect_type) :: b_col, x_col, r_col
integer(psb_ipk_) :: m
real(psb_dpk_) :: random_value
! communications data structure
type(psb_desc_type) :: desc_a
type(psb_ctxt_type) :: ctxt
integer(psb_ipk_) :: iam, np
integer(psb_lpk_) :: lnp
! solver paramters
integer(psb_ipk_) :: iter, ierr, ircode, methd
integer(psb_epk_) :: amatsize, precsize, descsize
real(psb_dpk_) :: err, cond
! other variables
character(len=20) :: name
integer(psb_ipk_) :: i, j, info, rep, reps = 10
real(psb_dpk_) :: tb1, tb2, tr1, tr2
real(psb_dpk_), allocatable :: resmx(:), tb(:), tr(:)
real(psb_dpk_) :: resmxp
integer(psb_ipk_), allocatable :: ivg(:)
call psb_init(ctxt)
call psb_info(ctxt,iam,np)
if (iam < 0) then
! This should not happen, but just in case
call psb_exit(ctxt)
stop
endif
name='psb_perf_test'
if(psb_errstatus_fatal()) goto 9999
info=psb_success_
call psb_set_errverbosity(itwo)
call psb_barrier(ctxt)
if (iam == psb_root_) then
select case(psb_toupper(filefmt))
case('MM')
call mm_mat_read(aux_a,info,iunit=iunit,filename=mtrx_file)
case ('HB')
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(ctxt)
end if
m = aux_a%get_nrows()
call psb_bcast(ctxt,m)
! At this point aux_b may still be unallocated
if (size(aux_b) == m*nrhs) then
! if any rhs were present, broadcast the first one
write(psb_err_unit,'("Ok, got an rhs ")')
b_mv_glob =>aux_b(:,:)
else
write(psb_out_unit,'("Generating an rhs...")')
write(psb_out_unit,'("Number of RHS: ",i3)') nrhs
write(psb_out_unit,'(" ")')
call psb_realloc(m,nrhs,aux_b,ircode)
if (ircode /= 0) then
call psb_errpush(psb_err_alloc_dealloc_,name)
goto 9999
endif
b_mv_glob => aux_b(:,:)
do i=1, m
do j=1, nrhs
b_mv_glob(i,j) = done
!call random_number(random_value)
!b_mv_glob(i,j) = random_value
enddo
enddo
endif
else
call psb_bcast(ctxt,m)
end if
! switch over different partition types
select case(psb_toupper(part))
case('BLOCK')
if (iam == psb_root_) write(psb_out_unit,'("Partition type: block")')
call psb_matdist(aux_a,a,ctxt,desc_a,info,fmt=afmt,parts=part_block)
case('GRAPH')
if (iam == psb_root_) then
write(psb_out_unit,'("Partition type: graph vector")')
write(psb_out_unit,'(" ")')
call aux_a%cscnv(info,type='csr')
lnp = np
call build_mtpart(aux_a,lnp)
endif
call psb_barrier(ctxt)
call distr_mtpart(psb_root_,ctxt)
call getv_mtpart(ivg)
call psb_matdist(aux_a,a,ctxt,desc_a,info,fmt=afmt,vg=ivg)
case default
if (iam == psb_root_) write(psb_out_unit,'("Partition type: block")')
call psb_matdist(aux_a,a,ctxt,desc_a,info,fmt=afmt,parts=part_block)
end select
! building the preconditioner
call prec%init(ctxt,ptype,info)
call prec%build(a,desc_a,info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='psb_precbld')
goto 9999
end if
if (iam == psb_root_) then
allocate(tb(reps),tr(reps))
tb = dzero
tr = dzero
end if
do rep=1,reps
call psb_scatter(b_mv_glob,b_mv,desc_a,info,root=psb_root_)
call psb_geall(x_mv,desc_a,info,nrhs)
call x_mv%zero()
call psb_geasb(x_mv,desc_a,info)
call psb_geall(r_mv,desc_a,info,nrhs)
call r_mv%zero()
call psb_geasb(r_mv,desc_a,info)
if(iam == psb_root_) then
write(psb_out_unit,'(" ")')
write(psb_out_unit,'("Starting BGMRES")')
write(psb_out_unit,'(" ")')
end if
call psb_barrier(ctxt)
tb1 = psb_wtime()
call psb_krylov(kmethd,a,prec,b_mv,x_mv,eps,desc_a,info,&
& itmax=itmax,iter=iter,err=err,itrace=itrace,&
& itrs=itrs,istop=istopbg)
call psb_barrier(ctxt)
tb2 = psb_wtime() - tb1
call psb_amx(ctxt,tb2)
if (iam == psb_root_) then
tb(rep) = tb2
end if
call psb_barrier(ctxt)
call psb_geaxpby(done,b_mv,dzero,r_mv,desc_a,info)
call psb_spmm(-done,a,x_mv,done,r_mv,desc_a,info)
resmx = psb_genrm2(r_mv,desc_a,info)
resmxp = psb_geamax(r_mv,desc_a,info)
call psb_gather(x_mv_glob,x_mv,desc_a,info,root=psb_root_)
if (info == psb_success_) call psb_gather(r_mv_glob,r_mv,desc_a,info,root=psb_root_)
if (info /= psb_success_) goto 9999
if(iam == psb_root_) then
write(psb_out_unit,'(" ")')
write(psb_out_unit,'("Finished BGMRES")')
write(psb_out_unit,'(" ")')
end if
call psb_gefree(b_mv, desc_a,info)
call psb_gefree(x_mv, desc_a,info)
if(iam == psb_root_) then
write(psb_out_unit,'(" ")')
write(psb_out_unit,'("Starting sGMRES")')
write(psb_out_unit,'(" ")')
end if
call psb_barrier(ctxt)
do i=1,nrhs
if(iam == psb_root_) then
write(psb_out_unit,'(" ")')
write(psb_out_unit,'("Step ",i6)')i
write(psb_out_unit,'(" ")')
end if
b_col_glob => aux_b(:,i)
call psb_scatter(b_col_glob,b_col,desc_a,info,root=psb_root_)
call psb_geall(x_col,desc_a,info)
call x_col%zero()
call psb_geasb(x_col,desc_a,info)
call psb_geall(r_col,desc_a,info)
call r_col%zero()
call psb_geasb(r_col,desc_a,info)
cond = dzero
call psb_barrier(ctxt)
tr1 = psb_wtime()
call psb_krylov(kmethd,a,prec,b_col,x_col,eps,desc_a,info,&
& itmax=itmax,iter=iter,err=err,itrace=itrace,&
& istop=2,irst=itrs,cond=cond)
call psb_barrier(ctxt)
tr2 = psb_wtime() - tr1
call psb_amx(ctxt,tr2)
if (iam == psb_root_) then
tr(rep) = tr(rep) + tr2
end if
call psb_barrier(ctxt)
call psb_geaxpby(done,b_col,dzero,r_col,desc_a,info)
call psb_spmm(-done,a,x_col,done,r_col,desc_a,info)
resmx = psb_genrm2(r_col,desc_a,info)
resmxp = psb_geamax(r_col,desc_a,info)
call psb_gather(x_col_glob,x_col,desc_a,info,root=psb_root_)
if (info == psb_success_) call psb_gather(r_col_glob,r_col,desc_a,info,root=psb_root_)
if (info /= psb_success_) goto 9999
call psb_gefree(b_col, desc_a,info)
call psb_gefree(x_col, desc_a,info)
end do
end do
call psb_barrier(ctxt)
if(iam == psb_root_) then
write(psb_out_unit,'(" ")')
write(psb_out_unit,'("Finished sGMRES")')
write(psb_out_unit,'(" ")')
write(*,*) 'TB ', sum(tb)/size(tb), ' TR ', sum(tr)/size(tr)
end if
call psb_spfree(a, desc_a,info)
call prec%free(info)
call psb_cdfree(desc_a,info)
call psb_exit(ctxt)
! open(unit=10,file='test.csv',status='replace',action='write',iostat=status)
! do i=1,size(x_mv_glob,1)
! write(10, 993) x_mv_glob(i,:)
! end do
! 993 format(1x,*(g0, "; "))
! return
9999 call psb_error(ctxt)
return
end program psb_perf_test
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