You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
497 lines
15 KiB
Fortran
497 lines
15 KiB
Fortran
!
|
|
! Parallel Sparse BLAS GPU plugin
|
|
! (C) Copyright 2013
|
|
! Salvatore Filippone
|
|
! Alessandro Fanfarillo
|
|
!
|
|
! 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 d_file_spmv
|
|
use psb_base_mod
|
|
use psb_util_mod
|
|
use psb_ext_mod
|
|
#ifdef HAVE_GPU
|
|
use psb_gpu_mod
|
|
#endif
|
|
use data_input
|
|
implicit none
|
|
|
|
! input parameters
|
|
character(len=200) :: mtrx_file
|
|
|
|
! sparse matrices
|
|
type(psb_dspmat_type) :: a, aux_a, agpu
|
|
|
|
! 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
|
|
type(psb_d_vect_type) :: xg, bg, xv, bv
|
|
#ifdef HAVE_GPU
|
|
type(psb_d_vect_gpu) :: vmold
|
|
#endif
|
|
real(psb_dpk_), allocatable :: xc1(:),xc2(:)
|
|
! communications data structure
|
|
type(psb_desc_type):: desc_a
|
|
|
|
type(psb_ctxt_type) :: ctxt
|
|
integer(psb_ipk_) :: iam, np
|
|
integer(psb_epk_) :: amatsize, agmatsize, precsize, descsize, annz, nbytes
|
|
real(psb_dpk_) :: err, eps, damatsize, dgmatsize
|
|
|
|
character(len=5) :: acfmt, agfmt
|
|
character(len=20) :: name
|
|
character(len=2) :: filefmt
|
|
integer, parameter :: iunit=12
|
|
integer, parameter :: times=2000
|
|
integer, parameter :: ntests=200, ngpu=50, ncnv=20
|
|
|
|
type(psb_d_coo_sparse_mat), target :: acoo
|
|
type(psb_d_csr_sparse_mat), target :: acsr
|
|
type(psb_d_ell_sparse_mat), target :: aell
|
|
type(psb_d_hll_sparse_mat), target :: ahll
|
|
type(psb_d_hdia_sparse_mat), target :: ahdia
|
|
#ifdef HAVE_GPU
|
|
type(psb_d_elg_sparse_mat), target :: aelg
|
|
type(psb_d_csrg_sparse_mat), target :: acsrg
|
|
type(psb_d_hybg_sparse_mat), target :: ahybg
|
|
type(psb_d_hlg_sparse_mat), target :: ahlg
|
|
type(psb_d_hdiag_sparse_mat), target :: ahdiag
|
|
#endif
|
|
class(psb_d_base_sparse_mat), pointer :: acmold, agmold
|
|
! other variables
|
|
integer(psb_lpk_) :: i,j,nrt, ns, nr, ig, nrg
|
|
integer(psb_ipk_) :: internal, m,ii,nnzero,info, ipart
|
|
real(psb_dpk_) :: t0,t1, t2, tprec, flops
|
|
real(psb_dpk_) :: tt1, tt2, tflops, gt1, gt2,gflops, gtint, bdwdth,&
|
|
& tcnvcsr, tcnvc1, tcnvgpu, tcnvg1
|
|
integer :: nrhs, nrow, n_row, dim, nv, ne
|
|
integer, allocatable :: ivg(:), ipv(:)
|
|
|
|
|
|
call psb_init(ctxt)
|
|
call psb_info(ctxt,iam,np)
|
|
#ifdef HAVE_GPU
|
|
call psb_gpu_init(ctxt)
|
|
#endif
|
|
if (iam < 0) then
|
|
! This should not happen, but just in case
|
|
call psb_exit(ctxt)
|
|
stop
|
|
endif
|
|
|
|
|
|
name='file_spmv'
|
|
if(psb_get_errstatus() /= 0) goto 9999
|
|
info=psb_success_
|
|
call psb_set_errverbosity(2)
|
|
if (iam == psb_root_) then
|
|
write(*,*) 'Welcome to PSBLAS version: ',psb_version_string_
|
|
write(*,*) 'This is the ',trim(name),' sample program'
|
|
end if
|
|
#ifdef HAVE_GPU
|
|
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_gpu_DeviceName())
|
|
#endif
|
|
|
|
if (iam == 0) then
|
|
write(*,*) 'Matrix? '
|
|
call read_data(mtrx_file,psb_inp_unit)
|
|
write(*,*) 'file format'
|
|
call read_data(filefmt,psb_inp_unit)
|
|
write(*,*) 'CPU format'
|
|
call read_data(acfmt,psb_inp_unit)
|
|
write(*,*) 'GPU format'
|
|
call read_data(agfmt,psb_inp_unit)
|
|
write(*,*) 'distribution '
|
|
call read_data(ipart,psb_inp_unit)
|
|
write(*,*) 'Read all data, going on'
|
|
end if
|
|
call psb_bcast(ctxt,mtrx_file)
|
|
call psb_bcast(ctxt,filefmt)
|
|
call psb_bcast(ctxt,acfmt)
|
|
call psb_bcast(ctxt,agfmt)
|
|
call psb_bcast(ctxt,ipart)
|
|
call psb_barrier(ctxt)
|
|
t0 = 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)
|
|
|
|
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,filename=mtrx_file)
|
|
|
|
case default
|
|
info = -1
|
|
write(psb_err_unit,*) 'Wrong choice for fileformat ', filefmt
|
|
end select
|
|
if (info /= 0) then
|
|
write(psb_err_unit,*) 'Error while reading input matrix '
|
|
call psb_abort(ctxt)
|
|
end if
|
|
|
|
!
|
|
! Always get nnz from original matrix.
|
|
! Some formats add fill-in and do not keep track
|
|
! of how many were added. So if the original matrix
|
|
! contained some extra zeros, the count of entries
|
|
! is not recoverable exactly.
|
|
!
|
|
nrt = aux_a%get_nrows()
|
|
annz = aux_a%get_nzeros()
|
|
call psb_bcast(ctxt,annz)
|
|
call psb_bcast(ctxt,nrt)
|
|
|
|
write(psb_out_unit,'("Generating an rhs...")')
|
|
write(psb_out_unit,'(" ")')
|
|
call psb_realloc(nrt,1,aux_b,info)
|
|
if (info /= 0) then
|
|
call psb_errpush(4000,name)
|
|
goto 9999
|
|
endif
|
|
|
|
b_col_glob => aux_b(:,1)
|
|
do i=1, nrt
|
|
b_col_glob(i) = 1.d0
|
|
enddo
|
|
|
|
else
|
|
|
|
call psb_bcast(ctxt,annz)
|
|
call psb_bcast(ctxt,nrt)
|
|
|
|
end if
|
|
|
|
|
|
select case(psb_toupper(acfmt))
|
|
case('COO')
|
|
acmold => acoo
|
|
case('CSR')
|
|
acmold => acsr
|
|
case('ELL')
|
|
acmold => aell
|
|
case('HLL')
|
|
acmold => ahll
|
|
case('HDIA')
|
|
acmold => ahdia
|
|
case default
|
|
write(*,*) 'Unknown format defaulting to CSR'
|
|
acmold => acsr
|
|
end select
|
|
|
|
#ifdef HAVE_GPU
|
|
select case(psb_toupper(agfmt))
|
|
case('ELG')
|
|
agmold => aelg
|
|
case('HLG')
|
|
agmold => ahlg
|
|
case('CSRG')
|
|
agmold => acsrg
|
|
case('HYBG')
|
|
agmold => ahybg
|
|
case('HDIAG')
|
|
agmold => ahdiag
|
|
case default
|
|
write(*,*) 'Unknown format defaulting to HLG'
|
|
agmold => ahlg
|
|
end select
|
|
#endif
|
|
|
|
|
|
! switch over different partition types
|
|
if (ipart == 0) then
|
|
call psb_barrier(ctxt)
|
|
if (iam==psb_root_) write(psb_out_unit,'("Partition type: block")')
|
|
allocate(ivg(nrt),ipv(np))
|
|
do i=1,nrt
|
|
call part_block(i,nrt,np,ipv,nv)
|
|
ivg(i) = ipv(1)
|
|
enddo
|
|
call psb_matdist(aux_a, a, ctxt, desc_a,info,vg=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(ctxt)
|
|
call distr_mtpart(psb_root_,ctxt)
|
|
call getv_mtpart(ivg)
|
|
call psb_matdist(aux_a, a, ctxt, desc_a,info,vg=ivg)
|
|
else
|
|
if (iam==psb_root_) write(psb_out_unit,'("Partition type default: block")')
|
|
call psb_matdist(aux_a, a, ctxt,desc_a,info,parts=part_block)
|
|
end if
|
|
|
|
call psb_scatter(b_col_glob,bv,desc_a,info,root=psb_root_)
|
|
|
|
t2 = psb_wtime() - t0
|
|
|
|
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
|
|
call a%cscnv(aux_a,info,mold=acoo)
|
|
tcnvcsr = 0
|
|
tcnvgpu = 0
|
|
nr = desc_a%get_local_rows()
|
|
nrg = desc_a%get_global_rows()
|
|
call psb_geall(x_col,desc_a,info)
|
|
do i=1, nr
|
|
call desc_a%l2g(i,ig,info)
|
|
call psb_geins(ione,(/ig/),(/(done + (done*ig)/nrg)/),x_col,desc_a,info)
|
|
end do
|
|
call psb_geasb(x_col,desc_a,info)
|
|
do j=1, ncnv
|
|
call aux_a%cscnv(a,info,mold=acoo)
|
|
call psb_barrier(ctxt)
|
|
t1 = psb_wtime()
|
|
call a%cscnv(info,mold=acmold)
|
|
t2 = psb_Wtime() -t1
|
|
call psb_amx(ctxt,t2)
|
|
tcnvcsr = tcnvcsr + t2
|
|
if (j==1) tcnvc1 = t2
|
|
xc1 = x_col%get_vect()
|
|
call xv%bld(xc1)
|
|
call psb_geasb(bv,desc_a,info,scratch=.true.)
|
|
|
|
#ifdef HAVE_GPU
|
|
|
|
call aux_a%cscnv(agpu,info,mold=acoo)
|
|
call xg%bld(xc1,mold=vmold)
|
|
call psb_geasb(bg,desc_a,info,scratch=.true.,mold=vmold)
|
|
call psb_barrier(ctxt)
|
|
t1 = psb_wtime()
|
|
call agpu%cscnv(info,mold=agmold)
|
|
call psb_gpu_DeviceSync()
|
|
t2 = psb_Wtime() -t1
|
|
call psb_amx(ctxt,t2)
|
|
if (j==1) tcnvg1 = t2
|
|
tcnvgpu = tcnvgpu + t2
|
|
#endif
|
|
end do
|
|
|
|
call psb_barrier(ctxt)
|
|
t1 = psb_wtime()
|
|
do i=1,ntests
|
|
call psb_spmm(done,a,xv,dzero,bv,desc_a,info)
|
|
end do
|
|
call psb_barrier(ctxt)
|
|
t2 = psb_wtime() - t1
|
|
call psb_amx(ctxt,t2)
|
|
|
|
#ifdef HAVE_GPU
|
|
! FIXME: cache flush needed here
|
|
call psb_barrier(ctxt)
|
|
tt1 = psb_wtime()
|
|
do i=1,ntests
|
|
call psb_spmm(done,agpu,xv,dzero,bg,desc_a,info)
|
|
if ((info /= 0).or.(psb_get_errstatus()/=0)) then
|
|
write(0,*) 'From 1 spmm',info,i,ntests
|
|
call psb_error()
|
|
stop
|
|
end if
|
|
|
|
end do
|
|
call psb_gpu_DeviceSync()
|
|
call psb_barrier(ctxt)
|
|
tt2 = psb_wtime() - tt1
|
|
call psb_amx(ctxt,tt2)
|
|
xc1 = bv%get_vect()
|
|
xc2 = bg%get_vect()
|
|
nr = desc_a%get_local_rows()
|
|
eps = maxval(abs(xc1(1:nr)-xc2(1:nr)))
|
|
call psb_amx(ctxt,eps)
|
|
if (iam==0) write(*,*) 'Max diff on xGPU',eps
|
|
|
|
call xg%sync()
|
|
! FIXME: cache flush needed here
|
|
|
|
call psb_barrier(ctxt)
|
|
gt1 = psb_wtime()
|
|
do i=1,ntests*ngpu
|
|
call psb_spmm(done,agpu,xg,dzero,bg,desc_a,info)
|
|
if ((info /= 0).or.(psb_get_errstatus()/=0)) then
|
|
write(0,*) 'From 2 spmm',info,i,ntests
|
|
call psb_error()
|
|
stop
|
|
end if
|
|
|
|
end do
|
|
! For timing purposes we need to make sure all threads
|
|
! in the device are done.
|
|
call psb_gpu_DeviceSync()
|
|
call psb_barrier(ctxt)
|
|
gt2 = psb_wtime() - gt1
|
|
call psb_amx(ctxt,gt2)
|
|
call bg%sync()
|
|
xc1 = bv%get_vect()
|
|
xc2 = bg%get_vect()
|
|
call psb_geaxpby(-done,bg,+done,bv,desc_a,info)
|
|
eps = psb_geamax(bv,desc_a,info)
|
|
|
|
call psb_amx(ctxt,t2)
|
|
nr = desc_a%get_local_rows()
|
|
eps = maxval(abs(xc1(1:nr)-xc2(1:nr)))
|
|
call psb_amx(ctxt,eps)
|
|
if (iam==0) write(*,*) 'Max diff on GPU',eps
|
|
#endif
|
|
|
|
|
|
amatsize = a%sizeof()
|
|
agmatsize = agpu%sizeof()
|
|
damatsize = amatsize
|
|
damatsize = damatsize/(1024*1024)
|
|
dgmatsize = agmatsize
|
|
dgmatsize = dgmatsize/(1024*1024)
|
|
descsize = psb_sizeof(desc_a)
|
|
call psb_sum(ctxt,damatsize)
|
|
call psb_sum(ctxt,dgmatsize)
|
|
call psb_sum(ctxt,descsize)
|
|
|
|
if (iam == psb_root_) then
|
|
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," ")') nrt
|
|
write(psb_out_unit,&
|
|
&'("Number of nonzeros : ",i20," ")') annz
|
|
write(psb_out_unit,&
|
|
&'("Memory occupation CPU (MBytes) : ",f20.2," ")') damatsize
|
|
write(psb_out_unit,&
|
|
&'("Memory occupation GPU (MBytes) : ",f20.2," ")') dgmatsize
|
|
write(psb_out_unit,&
|
|
&'("Memory occupation CPU (Bytes) : ",i24," ")') amatsize
|
|
write(psb_out_unit,&
|
|
&'("Memory occupation GPU (Bytes) : ",i24," ")') agmatsize
|
|
flops = ntests*(2.d0*annz)
|
|
tflops = flops
|
|
gflops = flops * ngpu
|
|
write(psb_out_unit,'("Storage type for A: ",a)') a%get_fmt()
|
|
#ifdef HAVE_GPU
|
|
write(psb_out_unit,'("Storage type for AGPU: ",a)') agpu%get_fmt()
|
|
write(psb_out_unit,'("Time to convert A from COO to CPU (1): ",F20.9)')&
|
|
& tcnvc1
|
|
write(psb_out_unit,'("Time to convert A from COO to CPU (t): ",F20.9)')&
|
|
& tcnvcsr
|
|
write(psb_out_unit,'("Time to convert A from COO to CPU (a): ",F20.9)')&
|
|
& tcnvcsr/ncnv
|
|
write(psb_out_unit,'("Time to convert A from COO to GPU (1): ",F20.9)')&
|
|
& tcnvg1
|
|
write(psb_out_unit,'("Time to convert A from COO to GPU (t): ",F20.9)')&
|
|
& tcnvgpu
|
|
write(psb_out_unit,'("Time to convert A from COO to GPU (a): ",F20.9)')&
|
|
& tcnvgpu/ncnv
|
|
|
|
#endif
|
|
write(psb_out_unit,&
|
|
& '("Number of flops (",i0," prod) : ",F20.0," ")') &
|
|
& ntests,flops
|
|
|
|
flops = flops / (t2)
|
|
tflops = tflops / (tt2)
|
|
gflops = gflops / (gt2)
|
|
write(psb_out_unit,'("Time for ",i6," products (s) (CPU) : ",F20.3)')&
|
|
& ntests,t2
|
|
write(psb_out_unit,'("Time per product (ms) (CPU) : ",F20.3)')&
|
|
& t2*1.d3/(1.d0*ntests)
|
|
write(psb_out_unit,'("MFLOPS (CPU) : ",F20.3)')&
|
|
& flops/1.d6
|
|
#ifdef HAVE_GPU
|
|
|
|
write(psb_out_unit,'("Time for ",i6," products (s) (xGPU) : ",F20.3)')&
|
|
& ntests, tt2
|
|
write(psb_out_unit,'("Time per product (ms) (xGPU) : ",F20.3)')&
|
|
& tt2*1.d3/(1.d0*ntests)
|
|
write(psb_out_unit,'("MFLOPS (xGPU) : ",F20.3)')&
|
|
& tflops/1.d6
|
|
|
|
write(psb_out_unit,'("Time for ",i6," products (s) (GPU) : ",F20.3)')&
|
|
& ngpu*ntests,gt2
|
|
write(psb_out_unit,'("Time per product (ms) (GPU) : ",F20.3)')&
|
|
& gt2*1.d3/(1.d0*ntests*ngpu)
|
|
write(psb_out_unit,'("MFLOPS (GPU) : ",F20.3)')&
|
|
& gflops/1.d6
|
|
#endif
|
|
!
|
|
! This computation assumes the data movement associated with CSR:
|
|
! it is minimal in terms of coefficients. Other formats may either move
|
|
! more data (padding etc.) or less data (if they can save on the indices).
|
|
!
|
|
nbytes = nr*(2*psb_sizeof_dp + psb_sizeof_ip)+&
|
|
& annz*(psb_sizeof_dp + psb_sizeof_ip)
|
|
bdwdth = ntests*nbytes/(t2*1.d6)
|
|
write(psb_out_unit,*)
|
|
write(psb_out_unit,'("MBYTES/S (CPU) : ",F20.3)') bdwdth
|
|
#ifdef HAVE_GPU
|
|
bdwdth = ngpu*ntests*nbytes/(gt2*1.d6)
|
|
write(psb_out_unit,'("MBYTES/S (GPU) : ",F20.3)') bdwdth
|
|
#endif
|
|
write(psb_out_unit,'("Storage type for DESC_A: ",a)') desc_a%indxmap%get_fmt()
|
|
write(psb_out_unit,'("Total memory occupation for DESC_A: ",i12)')descsize
|
|
|
|
end if
|
|
|
|
call psb_gefree(b_col, desc_a,info)
|
|
call psb_gefree(x_col, desc_a,info)
|
|
call psb_gefree(xv, desc_a,info)
|
|
call psb_gefree(bv, desc_a,info)
|
|
call psb_spfree(a, desc_a,info)
|
|
#ifdef HAVE_GPU
|
|
call psb_gefree(xg, desc_a,info)
|
|
call psb_gefree(bg, desc_a,info)
|
|
call psb_spfree(agpu,desc_a,info)
|
|
call psb_gpu_exit()
|
|
#endif
|
|
call psb_cdfree(desc_a,info)
|
|
|
|
call psb_exit(ctxt)
|
|
stop
|
|
|
|
9999 continue
|
|
call psb_error(ctxt)
|
|
|
|
end program d_file_spmv
|
|
|
|
|
|
|
|
|
|
|