diff --git a/test/extkern/Makefile b/test/extkern/Makefile new file mode 100644 index 000000000..caebe71b6 --- /dev/null +++ b/test/extkern/Makefile @@ -0,0 +1,48 @@ +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) $(LPSB_CUDA) -lpsb_ext -lpsb_util -lpsb_base +INCDIR=$(TOPDIR)/include +MODDIR=$(TOPDIR)/modules + +LDLIBS=$(PSBGPULDLIBS) + +FINCLUDES=$(FMFLAG)$(MODDIR) $(FMFLAG)$(INCDIR) $(FMFLAG). $(FMFLAG)$(PSBMODDIR) $(FMFLAG)$(PSBINCDIR) $(LIBRSB_DEFINES) + +DPGOBJS=dpdegenmv.o data_input.o +SPGOBJS=spdegenmv.o data_input.o +EXEDIR=./runs + +all: dir pgen +pgen: dpdegenmv spdegenmv +dpdegenmv spdegenmv: dir +dir: + (if test ! -d $(EXEDIR); then mkdir $(EXEDIR); fi) +dpdegenmv.o spdegenmv.o: data_input.o +dpdegenmv: $(DPGOBJS) + $(FLINK) $(LOPT) $(DPGOBJS) -o dpdegenmv $(FINCLUDES) $(PSBLAS_LIB) $(LDLIBS) -lstdc++ + /bin/mv dpdegenmv $(EXEDIR) +spdegenmv: $(SPGOBJS) + $(FLINK) $(LOPT) $(SPGOBJS) -o spdegenmv $(PSBLAS_LIB) $(LDLIBS) + /bin/mv spdegenmv $(EXEDIR) + +clean: + /bin/rm -f $(DTOBJS) $(STOBJS) $(DPGOBJS) $(SPGOBJS) $(ZTOBJS) $(CTOBJS) \ + $(EXEDIR)/dpdegenmv $(EXEDIR)/spdegenmv *mod + +lib: + (cd ../../; make library) +verycleanlib: + (cd ../../; make veryclean) + +%.o: %.F90 + $(FC) $(FFLAGS) $(FCOPT) $(FINCLUDES) $(FCUDEFINES) -c $< -o $@ +%.o: %.f90 + $(FC) $(FFLAGS) $(FCOPT) $(FINCLUDES) $(FCUDEFINES) -c $< -o $@ diff --git a/test/extkern/data_input.f90 b/test/extkern/data_input.f90 new file mode 100644 index 000000000..b63792c39 --- /dev/null +++ b/test/extkern/data_input.f90 @@ -0,0 +1,221 @@ +! +! +! MLD2P4 version 2.0 +! MultiLevel Domain Decomposition Parallel Preconditioners Package +! based on PSBLAS (Parallel Sparse BLAS version 3.0) +! +! (C) Copyright 2008,2009,2010 +! +! Salvatore Filippone +! Alfredo Buttari +! Pasqua D'Ambra +! Daniela di Serafino +! +! 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 MLD2P4 group or the names of its contributors may +! not be used to endorse or promote products derived from this +! software without specific prior 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 MLD2P4 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 data_input + + interface read_data + module procedure read_char, read_int,& + & read_double, read_single, read_logical,& + & string_read_char, string_read_int,& + & string_read_double, string_read_single, & + & string_read_logical + end interface read_data + interface trim_string + module procedure trim_string + end interface + + character(len=4096), private :: charbuf + character, private, parameter :: def_marker="!" + +contains + + subroutine read_logical(val,file,marker) + logical, intent(out) :: val + integer, intent(in) :: file + character(len=1), optional, intent(in) :: marker + + read(file,'(a)')charbuf + call read_data(val,charbuf,marker) + + end subroutine read_logical + + subroutine read_char(val,file,marker) + character(len=*), intent(out) :: val + integer, intent(in) :: file + character(len=1), optional, intent(in) :: marker + + read(file,'(a)')charbuf + call read_data(val,charbuf,marker) + + end subroutine read_char + + + subroutine read_int(val,file,marker) + integer, intent(out) :: val + integer, intent(in) :: file + character(len=1), optional, intent(in) :: marker + + read(file,'(a)')charbuf + call read_data(val,charbuf,marker) + + end subroutine read_int + subroutine read_single(val,file,marker) + use psb_base_mod + real(psb_spk_), intent(out) :: val + integer, intent(in) :: file + character(len=1), optional, intent(in) :: marker + + read(file,'(a)')charbuf + call read_data(val,charbuf,marker) + + end subroutine read_single + subroutine read_double(val,file,marker) + use psb_base_mod + real(psb_dpk_), intent(out) :: val + integer, intent(in) :: file + character(len=1), optional, intent(in) :: marker + + read(file,'(a)')charbuf + call read_data(val,charbuf,marker) + + end subroutine read_double + + subroutine string_read_char(val,file,marker) + character(len=*), intent(out) :: val + character(len=*), intent(in) :: file + character(len=1), optional, intent(in) :: marker + character(len=1) :: marker_ + character(len=1024) :: charbuf + integer :: idx + if (present(marker)) then + marker_ = marker + else + marker_ = def_marker + end if + read(file,'(a)')charbuf + charbuf = adjustl(charbuf) + idx=index(charbuf,marker_) + if (idx == 0) idx = len(charbuf)+1 + read(charbuf(1:idx-1),'(a)') val + end subroutine string_read_char + + subroutine string_read_int(val,file,marker) + integer, intent(out) :: val + character(len=*), intent(in) :: file + character(len=1), optional, intent(in) :: marker + character(len=1) :: marker_ + character(len=1024) :: charbuf + integer :: idx + if (present(marker)) then + marker_ = marker + else + marker_ = def_marker + end if + read(file,'(a)')charbuf + charbuf = adjustl(charbuf) + idx=index(charbuf,marker_) + if (idx == 0) idx = len(charbuf)+1 + read(charbuf(1:idx-1),*) val + end subroutine string_read_int + + subroutine string_read_single(val,file,marker) + use psb_base_mod + real(psb_spk_), intent(out) :: val + character(len=*), intent(in) :: file + character(len=1), optional, intent(in) :: marker + character(len=1) :: marker_ + character(len=1024) :: charbuf + integer :: idx + if (present(marker)) then + marker_ = marker + else + marker_ = def_marker + end if + read(file,'(a)')charbuf + charbuf = adjustl(charbuf) + idx=index(charbuf,marker_) + if (idx == 0) idx = len(charbuf)+1 + read(charbuf(1:idx-1),*) val + end subroutine string_read_single + + subroutine string_read_double(val,file,marker) + use psb_base_mod + real(psb_dpk_), intent(out) :: val + character(len=*), intent(in) :: file + character(len=1), optional, intent(in) :: marker + character(len=1) :: marker_ + character(len=1024) :: charbuf + integer :: idx + if (present(marker)) then + marker_ = marker + else + marker_ = def_marker + end if + read(file,'(a)')charbuf + charbuf = adjustl(charbuf) + idx=index(charbuf,marker_) + if (idx == 0) idx = len(charbuf)+1 + read(charbuf(1:idx-1),*) val + end subroutine string_read_double + + subroutine string_read_logical(val,file,marker) + use psb_base_mod + logical, intent(out) :: val + character(len=*), intent(in) :: file + character(len=1), optional, intent(in) :: marker + character(len=1) :: marker_ + character(len=1024) :: charbuf + integer :: idx + if (present(marker)) then + marker_ = marker + else + marker_ = def_marker + end if + read(file,'(a)')charbuf + charbuf = adjustl(charbuf) + idx=index(charbuf,marker_) + if (idx == 0) idx = len(charbuf)+1 + read(charbuf(1:idx-1),*) val + end subroutine string_read_logical + + function trim_string(string,marker) + character(len=*), intent(in) :: string + character(len=1), optional, intent(in) :: marker + character(len=len(string)) :: trim_string + character(len=1) :: marker_ + integer :: idx + if (present(marker)) then + marker_ = marker + else + marker_ = def_marker + end if + idx=index(string,marker_) + trim_string = adjustl(string(idx:)) + end function trim_string +end module data_input + diff --git a/test/extkern/dpdegenmv.F90 b/test/extkern/dpdegenmv.F90 new file mode 100644 index 000000000..b94e95abd --- /dev/null +++ b/test/extkern/dpdegenmv.F90 @@ -0,0 +1,1026 @@ +! +! 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 prior written permission. +! +! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED +! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS +! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +! POSSIBILITY OF SUCH DAMAGE. +! +! +! File: dpdegenmv.f90 +! +! Program: pdegenmv +! This sample program measures the performance of the matrix-vector product. +! The matrix is generated in the same way as for the pdegen test case of +! the main PSBLAS library. +! +! +module psb_d_pde3d_mod + + + use psb_base_mod, only : psb_dpk_, psb_ipk_, psb_lpk_, psb_desc_type,& + & psb_dspmat_type, psb_d_vect_type, dzero,& + & psb_d_base_sparse_mat, psb_d_base_vect_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,bv,xv,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_vect_type) :: xv,bv + 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_vect_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),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(xv,desc_a,info) + if (info == psb_success_) call psb_geall(bv,desc_a,info) + + 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),bv,desc_a,info) + if(info /= psb_success_) exit + zt(:)=dzero + call psb_geins(ib,myidx(ii:ii+ib-1),zt(1:ib),xv,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(xv,desc_a,info,mold=vmold) + if (info == psb_success_) call psb_geasb(bv,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 pdgenmv + use psb_base_mod + use psb_util_mod + use psb_ext_mod +#ifdef PSB_HAVE_CUDA + use psb_cuda_mod +#endif +#ifdef HAVE_RSB + use psb_rsb_mod +#endif + use psb_d_pde3d_mod + implicit none + + ! input parameters + character(len=5) :: acfmt, agfmt + integer :: idim + logical :: tnd + ! miscellaneous + real(psb_dpk_), parameter :: one = 1.d0 + real(psb_dpk_) :: t1, t2, tprec, flops, tflops,& + & tt1, tt2, gt1, gt2, gflops, bdwdth,& + & tcnvcsr, tcnvc1, tcnvgpu, tcnvg1 + + ! sparse matrix and preconditioner + type(psb_dspmat_type) :: a, agpu, aux_a + ! descriptor + type(psb_desc_type) :: desc_a + ! dense matrices + type(psb_d_vect_type), target :: xv, bv, xg, bg +#ifdef PSB_HAVE_CUDA + type(psb_d_vect_cuda) :: vmold + type(psb_i_vect_cuda) :: imold +#endif + real(psb_dpk_), allocatable :: x1(:), x2(:), x0(:) + ! blacs parameters + type(psb_ctxt_type) :: ctxt + integer :: iam, np + + ! solver parameters + integer(psb_epk_) :: amatsize, precsize, descsize, annz, nbytes + real(psb_dpk_) :: err, eps, tnv, tng,tdot, dnrm2,ddot + integer, parameter :: ntests=8, ngpu=2, ncnv=3 + 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_dia_sparse_mat), target :: adia + type(psb_d_hdia_sparse_mat), target :: ahdia +#ifdef HAVE_RSB + type(psb_d_rsb_sparse_mat), target :: arsb +#endif +#ifdef PSB_HAVE_CUDA + type(psb_d_cuda_elg_sparse_mat), target :: aelg + type(psb_d_cuda_csrg_sparse_mat), target :: acsrg +#if PSB_CUDA_SHORT_VERSION <= 10 + type(psb_d_cuda_hybg_sparse_mat), target :: ahybg +#endif + type(psb_d_cuda_hlg_sparse_mat), target :: ahlg + type(psb_d_cuda_hdiag_sparse_mat), target :: ahdiag + type(psb_d_cuda_dnsg_sparse_mat), target :: adnsg +#endif + class(psb_d_base_sparse_mat), pointer :: agmold, acmold + ! other variables + logical, parameter :: dump=.false. + integer(psb_ipk_) :: info, i, j, nr, nrg + integer(psb_lpk_) :: ig + character(len=20) :: name,ch_err + character(len=40) :: fname + + info=psb_success_ + + + call psb_init(ctxt) + call psb_info(ctxt,iam,np) + +#ifdef PSB_HAVE_CUDA + call psb_cuda_init(ctxt) +#endif +#ifdef HAVE_RSB + call psb_rsb_init() +#endif + + 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='pdegenmv-cuda' + ! + ! Hello world + ! + if (iam == psb_root_) then + write(*,*) 'Welcome to PSBLAS version: ',psb_version_string_ + write(*,*) 'This is the ',trim(name),' sample program' + end if +#ifdef PSB_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,acfmt,agfmt,idim,tnd) + call psb_init_timers() + ! + ! allocate and fill in the coefficient matrix and initial vectors + ! + call psb_barrier(ctxt) + t1 = psb_wtime() + call psb_gen_pde3d(ctxt,idim,a,bv,xv,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,'(" ")') + + if (dump) then + write(fname,'(a,i3.3,a,i3.3,a,i3.3,a)') 'pde',idim,'-',iam,'-',np,'.mtx' + call a%print(fname,head='PDEGEN test matrix') + end if + + select case(psb_toupper(acfmt)) + case('ELL') + acmold => aell + case('HLL') + acmold => ahll + call psi_set_hksz(8) + case('DIA') + acmold => adia + case('HDIA') + acmold => ahdia + case('CSR') + acmold => acsr + case('COO') + acmold => acoo +#ifdef HAVE_RSB + case('RSB') + acmold => arsb +#endif + case default + write(*,*) 'Unknown format defaulting to HLL' + acmold => ahll + end select + call a%cscnv(info,mold=acmold) + if ((info /= 0).or.(psb_get_errstatus()/=0)) then + write(0,*) 'From cscnv ',info + call psb_error() + stop + end if + +#ifdef PSB_HAVE_CUDA + select case(psb_toupper(agfmt)) + case('ELG') + agmold => aelg + case('HLG') + agmold => ahlg + case('HDIAG') + agmold => ahdiag + case('CSRG') + agmold => acsrg + case('DNSG') + agmold => adnsg +#if PSB_CUDA_SHORT_VERSION <= 10 + case('HYBG') + agmold => ahybg +#endif + case default + write(*,*) 'Unknown format defaulting to HLG' + agmold => ahlg + 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_geasb(bg,desc_a,info,scratch=.true.,mold=vmold) + call psb_geasb(xg,desc_a,info,scratch=.true.,mold=vmold) +#endif + nr = desc_a%get_local_rows() + nrg = desc_a%get_global_rows() + call psb_geall(x0,desc_a,info) + do i=1, nr + call desc_a%l2g(i,ig,info) + x0(i) = 1.0 + (1.0*ig)/(nrg**2) + end do + call a%cscnv(aux_a,info,mold=acoo) + tcnvcsr = 0 + tcnvgpu = 0 + call psb_geall(x1,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 + call psb_geasb(x1,desc_a,info) + call xv%bld(x0) + call psb_geasb(bv,desc_a,info,scratch=.true.) + +#ifdef PSB_HAVE_CUDA + + call aux_a%cscnv(agpu,info,mold=acoo) + call xg%bld(x0,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_cuda_DeviceSync() + t2 = psb_Wtime() -t1 + call psb_amx(ctxt,t2) + if (j==1) tcnvg1 = t2 + tcnvgpu = tcnvgpu + t2 +#endif + end do + + + call xv%set(x0) + 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 PSB_HAVE_CUDA + call xg%set(x0) + + ! FIXME: cache flush needed here + x1 = bv%get_vect() + x2 = bg%get_vect() + + 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_cuda_DeviceSync() + call psb_barrier(ctxt) + tt2 = psb_wtime() - tt1 + call psb_amx(ctxt,tt2) + x1 = bv%get_vect() + x2 = bg%get_vect() + nr = desc_a%get_local_rows() + eps = maxval(abs(x1(1:nr)-x2(1:nr))) + call psb_amx(ctxt,eps) + if (iam==0) write(*,*) 'Max diff on xGPU',eps + + ! FIXME: cache flush needed here + call xg%set(x0) + call xg%sync() + call psb_barrier(ctxt) + gt1 = psb_wtime() + do i=1,ntests*ngpu + call psb_spmm(done,agpu,xg,dzero,bg,desc_a,info) + ! For timing purposes we need to make sure all threads + ! in the device are done. + 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 + call psb_cuda_DeviceSync() + call psb_barrier(ctxt) + gt2 = psb_wtime() - gt1 + call psb_amx(ctxt,gt2) + call bg%sync() + x1 = bv%get_vect() + x2 = bg%get_vect() + tnv = psb_genrm2(bv,desc_a,info) + tng = psb_genrm2(bg,desc_a,info) + tdot = psb_gedot(bg,bg,desc_a,info) + write(0,*) ' bv ',tnv,' bg ',tng, ' dot ',tdot,eps,& + & dnrm2(desc_a%get_local_rows(),x2,1),& + & ddot(desc_a%get_local_rows(),x1,1,x2,1) + call psb_geaxpby(-done,bg,+done,bv,desc_a,info) + eps = psb_geamax(bv,desc_a,info) + + call psb_amx(ctxt,t2) + eps = maxval(abs(x1(1:nr)-x2(1:nr))) + call psb_amx(ctxt,eps) + if (iam==0) write(*,*) 'Max diff on GPU',eps + if (dump) then + write(fname,'(a,i3.3,a,i3.3,a)')'XCPU-out-',iam,'-',np,'.mtx' + call mm_array_write(x1(1:nr),'Local part CPU',info,filename=fname) + write(fname,'(a,i3.3,a,i3.3,a)')'XGPU-out-',iam,'-',np,'.mtx' + call mm_array_write(x2(1:nr),'Local part GPU',info,filename=fname) + end if + +#endif + annz = a%get_nzeros() + amatsize = a%sizeof() + descsize = psb_sizeof(desc_a) + call psb_sum(ctxt,nr) + call psb_sum(ctxt,annz) + call psb_sum(ctxt,amatsize) + call psb_sum(ctxt,descsize) + + if (iam == psb_root_) then + write(psb_out_unit,& + & '("Matrix: ell1 ",i0)') idim + 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 + flops = ntests*(2.d0*annz) + tflops = flops + gflops = flops * ngpu + write(psb_out_unit,'("Storage type for A: ",a)') a%get_fmt() +#ifdef PSB_HAVE_CUDA + 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 PSB_HAVE_CUDA + 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 sust. effective bandwidth (CPU) : ",F20.3)') bdwdth +#ifdef PSB_HAVE_CUDA + bdwdth = ngpu*ntests*nbytes/(gt2*1.d6) + write(psb_out_unit,'("MBYTES/S sust. effective bandwidth (GPU) : ",F20.3)') bdwdth + bdwdth = psb_cuda_MemoryPeakBandwidth() + write(psb_out_unit,'("MBYTES/S peak bandwidth (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_print_timers(ctxt) + + ! + ! cleanup storage and exit + ! + call psb_gefree(bv,desc_a,info) + call psb_gefree(xv,desc_a,info) + 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 +#ifdef PSB_HAVE_CUDA + call psb_cuda_exit() +#endif + call psb_exit(ctxt) + stop + +9999 continue + call psb_error(ctxt) + +contains + ! + ! get iteration parameters from standard input + ! + subroutine get_parms(ctxt,acfmt,agfmt,idim,tnd) + type(psb_ctxt_type) :: ctxt + character(len=*) :: agfmt, acfmt + integer :: idim + logical :: tnd + integer :: np, iam + integer :: intbuf(10), ip + + call psb_info(ctxt, iam, np) + + if (iam == 0) then + write(*,*) 'CPU side format?' + read(psb_inp_unit,*) acfmt +#ifdef PSB_HAVE_CUDA + write(*,*) 'CUDA side format?' + read(psb_inp_unit,*) agfmt +#else + agfmt = acfmt +#endif + write(*,*) 'Size of discretization cube?' + read(psb_inp_unit,*) idim + write(*,*) 'Try comm/comp overlap?' + read(psb_inp_unit,*) tnd + endif + call psb_bcast(ctxt,acfmt) + call psb_bcast(ctxt,agfmt) + call psb_bcast(ctxt,idim) + call psb_bcast(ctxt,tnd) + + if (iam == 0) then + write(psb_out_unit,'("Testing matrix : ell1")') + write(psb_out_unit,'("Grid dimensions : ",i4,"x",i4,"x",i4)')idim,idim,idim + write(psb_out_unit,'("Number of processors : ",i0)')np + write(psb_out_unit,'("Data distribution : BLOCK")') + write(psb_out_unit,'(" ")') + write(psb_out_unit,'("Storage formats ",a)') acfmt,' ',agfmt + write(psb_out_unit,'("Testing overlap ND ",l8)') tnd + end if + return + + end subroutine get_parms + +end program pdgenmv diff --git a/test/extkern/spdegenmv.F90 b/test/extkern/spdegenmv.F90 new file mode 100644 index 000000000..7e7c4384a --- /dev/null +++ b/test/extkern/spdegenmv.F90 @@ -0,0 +1,998 @@ +! +! 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 prior written permission. +! +! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED +! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS +! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +! POSSIBILITY OF SUCH DAMAGE. +! +! +! File: spdegenmv.f90 +! +! Program: pdegenmv +! This sample program measures the performance of the matrix-vector product. +! The matrix is generated in the same way as for the pdegen test case of +! the main PSBLAS library. +! +! +module psb_s_pde3d_mod + + + use psb_base_mod, only : psb_spk_, psb_ipk_, psb_lpk_, psb_desc_type,& + & psb_sspmat_type, psb_s_vect_type, szero,& + & psb_s_base_sparse_mat, psb_s_base_vect_type, & + & psb_i_base_vect_type, psb_l_base_vect_type + + interface + function s_func_3d(x,y,z) result(val) + import :: psb_spk_ + real(psb_spk_), intent(in) :: x,y,z + real(psb_spk_) :: val + end function s_func_3d + end interface + + interface psb_gen_pde3d + module procedure psb_s_gen_pde3d + end interface psb_gen_pde3d + +contains + + function s_null_func_3d(x,y,z) result(val) + + real(psb_spk_), intent(in) :: x,y,z + real(psb_spk_) :: val + + val = szero + + end function s_null_func_3d + ! + ! functions parametrizing the differential equation + ! + function b1(x,y,z) + use psb_base_mod, only : psb_spk_, sone, szero + implicit none + real(psb_spk_) :: b1 + real(psb_spk_), intent(in) :: x,y,z + b1=sone/sqrt((3*sone)) + end function b1 + function b2(x,y,z) + use psb_base_mod, only : psb_spk_, sone, szero + implicit none + real(psb_spk_) :: b2 + real(psb_spk_), intent(in) :: x,y,z + b2=sone/sqrt((3*sone)) + end function b2 + function b3(x,y,z) + use psb_base_mod, only : psb_spk_, sone, szero + implicit none + real(psb_spk_) :: b3 + real(psb_spk_), intent(in) :: x,y,z + b3=sone/sqrt((3*sone)) + end function b3 + function c(x,y,z) + use psb_base_mod, only : psb_spk_, sone, szero + implicit none + real(psb_spk_) :: c + real(psb_spk_), intent(in) :: x,y,z + c=szero + end function c + function a1(x,y,z) + use psb_base_mod, only : psb_spk_, sone, szero + implicit none + real(psb_spk_) :: a1 + real(psb_spk_), intent(in) :: x,y,z + a1=sone/80 + end function a1 + function a2(x,y,z) + use psb_base_mod, only : psb_spk_, sone, szero + implicit none + real(psb_spk_) :: a2 + real(psb_spk_), intent(in) :: x,y,z + a2=sone/80 + end function a2 + function a3(x,y,z) + use psb_base_mod, only : psb_spk_, sone, szero + implicit none + real(psb_spk_) :: a3 + real(psb_spk_), intent(in) :: x,y,z + a3=sone/80 + end function a3 + function g(x,y,z) + use psb_base_mod, only : psb_spk_, sone, szero + implicit none + real(psb_spk_) :: g + real(psb_spk_), intent(in) :: x,y,z + g = szero + if (x == sone) then + g = sone + else if (x == szero) 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_s_gen_pde3d(ctxt,idim,a,bv,xv,desc_a,afmt,info,& + & f,amold,vmold,imold,partition,nrl,iv) + 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_sspmat_type) :: a + type(psb_s_vect_type) :: xv,bv + type(psb_desc_type) :: desc_a + type(psb_ctxt_type) :: ctxt + integer(psb_ipk_) :: info + character(len=*) :: afmt + procedure(s_func_3d), optional :: f + class(psb_s_base_sparse_mat), optional :: amold + class(psb_s_base_vect_type), optional :: vmold + class(psb_i_base_vect_type), optional :: imold + integer(psb_ipk_), optional :: partition, nrl,iv(:) + + ! Local variables. + + integer(psb_ipk_), parameter :: nb=20 + type(psb_s_csc_sparse_mat) :: acsc + type(psb_s_coo_sparse_mat) :: acoo + type(psb_s_csr_sparse_mat) :: acsr + real(psb_spk_) :: zt(nb),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_spk_), allocatable :: val(:) + ! deltah dimension of each grid cell + ! deltat discretization time + real(psb_spk_) :: deltah, sqdeltah, deltah2 + real(psb_spk_), parameter :: rhs=szero,one=sone,zero=szero + real(psb_dpk_) :: t0, t1, t2, t3, tasb, talc, ttot, tgen, tcdasb + integer(psb_ipk_) :: err_act + procedure(s_func_3d), pointer :: f_ + 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_ => s_null_func_3d + end if + + deltah = sone/(idim+2) + sqdeltah = deltah*deltah + deltah2 = (2*sone)* 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(xv,desc_a,info) + if (info == psb_success_) call psb_geall(bv,desc_a,info) + + 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(szero,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,szero,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,szero)*(-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*sone)*(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,sone)*(-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,sone,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(sone,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),bv,desc_a,info) + if(info /= psb_success_) exit + zt(:)=szero + call psb_geins(ib,myidx(ii:ii+ib-1),zt(1:ib),xv,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) + else + call psb_spasb(a,desc_a,info,afmt=afmt) + 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(xv,desc_a,info,mold=vmold) + if (info == psb_success_) call psb_geasb(bv,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_s_gen_pde3d + + +end module psb_s_pde3d_mod + + +program pdgenmv + use psb_base_mod + use psb_util_mod + use psb_ext_mod +#ifdef PSB_HAVE_CUDA + use psb_cuda_mod +#endif + use psb_s_pde3d_mod + implicit none + + ! input parameters + character(len=5) :: acfmt, agfmt + integer :: idim + + ! miscellaneous + real(psb_spk_), parameter :: one = 1.e0 + real(psb_dpk_) :: t1, t2, tprec, flops, tflops,& + & tt1, tt2, gt1, gt2, gflops, bdwdth,& + & tcnvcsr, tcnvc1, tcnvgpu, tcnvg1 + + ! sparse matrix and preconditioner + type(psb_sspmat_type) :: a, agpu, aux_a + ! descriptor + type(psb_desc_type) :: desc_a + ! dense matrices + type(psb_s_vect_type), target :: xv,bv, xg, bg +#ifdef PSB_HAVE_CUDA + type(psb_s_vect_cuda) :: vmold + type(psb_i_vect_cuda) :: imold +#endif + real(psb_spk_), allocatable :: x1(:), x2(:), x0(:) + ! blacs parameters + type(psb_ctxt_type) :: ctxt + integer :: iam, np + + ! solver parameters + integer(psb_epk_) :: amatsize, precsize, descsize, annz, nbytes + real(psb_spk_) :: err, eps, tnv, tng,tdot, snrm2,sdot + integer, parameter :: ntests=8, ngpu=2, ncnv=3 + type(psb_s_coo_sparse_mat), target :: acoo + type(psb_s_csr_sparse_mat), target :: acsr + type(psb_s_ell_sparse_mat), target :: aell + type(psb_s_hll_sparse_mat), target :: ahll + type(psb_s_dia_sparse_mat), target :: adia + type(psb_s_hdia_sparse_mat), target :: ahdia +#ifdef PSB_HAVE_CUDA + type(psb_s_cuda_elg_sparse_mat), target :: aelg + type(psb_s_cuda_csrg_sparse_mat), target :: acsrg +#if PSB_CUDA_SHORT_VERSION <= 10 + type(psb_s_cuda_hybg_sparse_mat), target :: ahybg +#endif + type(psb_s_cuda_hlg_sparse_mat), target :: ahlg + type(psb_s_cuda_hdiag_sparse_mat), target :: ahdiag + type(psb_s_cuda_dnsg_sparse_mat), target :: adnsg +#endif + class(psb_s_base_sparse_mat), pointer :: agmold, acmold + ! other variables + logical, parameter :: dump=.false. + integer(psb_ipk_) :: info, i, j, nr, nrg + integer(psb_lpk_) :: ig + character(len=20) :: name,ch_err + character(len=40) :: fname + + info=psb_success_ + + + call psb_init(ctxt) + call psb_info(ctxt,iam,np) + +#ifdef PSB_HAVE_CUDA + call psb_cuda_init(ctxt) +#endif +#ifdef HAVE_RSB + call psb_rsb_init() +#endif + + 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='pdegenmv-cuda' + ! + ! Hello world + ! + if (iam == psb_root_) then + write(*,*) 'Welcome to PSBLAS version: ',psb_version_string_ + write(*,*) 'This is the ',trim(name),' sample program' + end if +#ifdef PSB_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,acfmt,agfmt,idim) + + ! + ! allocate and fill in the coefficient matrix and initial vectors + ! + call psb_barrier(ctxt) + t1 = psb_wtime() + call psb_gen_pde3d(ctxt,idim,a,bv,xv,desc_a,'CSR ',info,partition=3) + 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,'(" ")') + + if (dump) then + write(fname,'(a,i3.3,a,i3.3,a,i3.3,a)') 'pde',idim,'-',iam,'-',np,'.mtx' + call a%print(fname,head='PDEGEN test matrix') + end if + + select case(psb_toupper(acfmt)) + case('ELL') + acmold => aell + case('HLL') + acmold => ahll + case('DIA') + acmold => adia + case('HDIA') + acmold => ahdia + case('CSR') + acmold => acsr + case('COO') + acmold => acoo +#ifdef HAVE_RSB + case('RSB') + acmold => arsb +#endif + case default + write(*,*) 'Unknown format defaulting to HLL' + acmold => ahll + end select + call a%cscnv(info,mold=acmold) + if ((info /= 0).or.(psb_get_errstatus()/=0)) then + write(0,*) 'From cscnv ',info + call psb_error() + stop + end if + +#ifdef PSB_HAVE_CUDA + select case(psb_toupper(agfmt)) + case('ELG') + agmold => aelg + case('HLG') + agmold => ahlg + case('HDIAG') + agmold => ahdiag + case('CSRG') + agmold => acsrg + case('DNSG') + agmold => adnsg +#if PSB_CUDA_SHORT_VERSION <= 10 + case('HYBG') + agmold => ahybg +#endif + case default + write(*,*) 'Unknown format defaulting to HLG' + agmold => ahlg + 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_geasb(bg,desc_a,info,scratch=.true.,mold=vmold) + call psb_geasb(xg,desc_a,info,scratch=.true.,mold=vmold) +#endif + nr = desc_a%get_local_rows() + nrg = desc_a%get_global_rows() + call psb_geall(x0,desc_a,info) + do i=1, nr + call desc_a%l2g(i,ig,info) + x0(i) = 1.0 + (1.0*ig)/(nrg**2) + end do + call a%cscnv(aux_a,info,mold=acoo) + tcnvcsr = 0 + tcnvgpu = 0 + call psb_geall(x1,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 + call psb_geasb(x1,desc_a,info) + call xv%bld(x0) + call psb_geasb(bv,desc_a,info,scratch=.true.) + +#ifdef PSB_HAVE_CUDA + + call aux_a%cscnv(agpu,info,mold=acoo) + call xg%bld(x0,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_cuda_DeviceSync() + t2 = psb_Wtime() -t1 + call psb_amx(ctxt,t2) + if (j==1) tcnvg1 = t2 + tcnvgpu = tcnvgpu + t2 +#endif + end do + + + call xv%set(x0) + call psb_barrier(ctxt) + t1 = psb_wtime() + do i=1,ntests + call psb_spmm(sone,a,xv,szero,bv,desc_a,info) + end do + call psb_barrier(ctxt) + t2 = psb_wtime() - t1 + call psb_amx(ctxt,t2) + +#ifdef PSB_HAVE_CUDA + call xg%set(x0) + + ! FIXME: cache flush needed here + x1 = bv%get_vect() + x2 = bg%get_vect() + + call psb_barrier(ctxt) + tt1 = psb_wtime() + do i=1,ntests + call psb_spmm(sone,agpu,xv,szero,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_cuda_DeviceSync() + call psb_barrier(ctxt) + tt2 = psb_wtime() - tt1 + call psb_amx(ctxt,tt2) + x1 = bv%get_vect() + x2 = bg%get_vect() + nr = desc_a%get_local_rows() + eps = maxval(abs(x1(1:nr)-x2(1:nr))) + call psb_amx(ctxt,eps) + if (iam==0) write(*,*) 'Max diff on xGPU',eps + + + ! FIXME: cache flush needed here + call xg%set(x0) + call xg%sync() + call psb_barrier(ctxt) + gt1 = psb_wtime() + do i=1,ntests*ngpu + call psb_spmm(sone,agpu,xg,szero,bg,desc_a,info) + ! For timing purposes we need to make sure all threads + ! in the device are done. + 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 + call psb_cuda_DeviceSync() + call psb_barrier(ctxt) + gt2 = psb_wtime() - gt1 + call psb_amx(ctxt,gt2) + call bg%sync() + x1 = bv%get_vect() + x2 = bg%get_vect() + tnv = psb_genrm2(bv,desc_a,info) + tng = psb_genrm2(bg,desc_a,info) + tdot = psb_gedot(bg,bg,desc_a,info) + write(0,*) ' bv ',tnv,' bg ',tng, ' dot ',tdot,eps,& + & snrm2(desc_a%get_local_rows(),x2,1),& + & sdot(desc_a%get_local_rows(),x1,1,x2,1) + call psb_geaxpby(-sone,bg,+sone,bv,desc_a,info) + eps = psb_geamax(bv,desc_a,info) + + call psb_amx(ctxt,t2) + eps = maxval(abs(x1(1:nr)-x2(1:nr))) + call psb_amx(ctxt,eps) + if (iam==0) write(*,*) 'Max diff on GPU',eps + if (dump) then + write(fname,'(a,i3.3,a,i3.3,a)')'XCPU-out-',iam,'-',np,'.mtx' + call mm_array_write(x1(1:nr),'Local part CPU',info,filename=fname) + write(fname,'(a,i3.3,a,i3.3,a)')'XGPU-out-',iam,'-',np,'.mtx' + call mm_array_write(x2(1:nr),'Local part GPU',info,filename=fname) + end if +#endif + annz = a%get_nzeros() + amatsize = a%sizeof() + descsize = psb_sizeof(desc_a) + call psb_sum(ctxt,nr) + call psb_sum(ctxt,annz) + call psb_sum(ctxt,amatsize) + call psb_sum(ctxt,descsize) + + if (iam == psb_root_) then + write(psb_out_unit,& + & '("Matrix: ell1 ",i0)') idim + 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 + flops = ntests*(2.d0*annz) + tflops = flops + gflops = flops * ngpu + write(psb_out_unit,'("Storage type for A: ",a)') a%get_fmt() +#ifdef PSB_HAVE_CUDA + 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 PSB_HAVE_CUDA + 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_sp + psb_sizeof_ip)+& + & annz*(psb_sizeof_sp + psb_sizeof_ip) + bdwdth = ntests*nbytes/(t2*1.d6) + write(psb_out_unit,*) + write(psb_out_unit,'("MBYTES/S sust. effective bandwidth (CPU) : ",F20.3)') bdwdth +#ifdef PSB_HAVE_CUDA + bdwdth = ngpu*ntests*nbytes/(gt2*1.d6) + write(psb_out_unit,'("MBYTES/S sust. effective bandwidth (GPU) : ",F20.3)') bdwdth + bdwdth = psb_cuda_MemoryPeakBandwidth() + write(psb_out_unit,'("MBYTES/S peak bandwidth (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 + + ! + ! cleanup storage and exit + ! + call psb_gefree(bv,desc_a,info) + call psb_gefree(xv,desc_a,info) + 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 +#ifdef PSB_HAVE_CUDA + call psb_cuda_exit() +#endif + call psb_exit(ctxt) + stop + +9999 continue + call psb_error(ctxt) + +contains + ! + ! get iteration parameters from standard input + ! + subroutine get_parms(ctxt,acfmt,agfmt,idim) + type(psb_ctxt_type) :: ctxt + character(len=*) :: agfmt, acfmt + integer :: idim + integer :: np, iam + integer :: intbuf(10), ip + + call psb_info(ctxt, iam, np) + + if (iam == 0) then + write(*,*) 'CPU side format?' + read(psb_inp_unit,*) acfmt + write(*,*) 'CUDA side format?' + read(psb_inp_unit,*) agfmt + write(*,*) 'Size of discretization cube?' + read(psb_inp_unit,*) idim + endif + call psb_bcast(ctxt,acfmt) + call psb_bcast(ctxt,agfmt) + call psb_bcast(ctxt,idim) + + if (iam == 0) then + write(psb_out_unit,'("Testing matrix : ell1")') + write(psb_out_unit,'("Grid dimensions : ",i4,"x",i4,"x",i4)')idim,idim,idim + write(psb_out_unit,'("Number of processors : ",i0)')np + write(psb_out_unit,'("Data distribution : BLOCK")') + write(psb_out_unit,'(" ")') + end if + return + + end subroutine get_parms + + +end program pdgenmv