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884 lines
28 KiB
Fortran
884 lines
28 KiB
Fortran
!> Test program for overlapping communication and computation with psb_spmm.
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!!
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!!
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module psb_spmv_overlap_test
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use psb_base_mod
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use psb_util_mod
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use psb_comm_factory_mod, only: psb_comm_set
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use psb_comm_schemes_mod, only: psb_comm_isend_irecv_, psb_comm_ineighbor_alltoallv_, &
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& psb_comm_persistent_ineighbor_alltoallv_
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use psb_comm_neighbor_impl_mod, only: psb_comm_neighbor_handle
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#ifdef PSB_HAVE_CUDA
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use psb_cuda_mod
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#endif
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implicit none
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interface
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function d_func_3d(x,y,z) result(val)
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import :: psb_dpk_
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real(psb_dpk_), intent(in) :: x,y,z
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real(psb_dpk_) :: val
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end function d_func_3d
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end interface
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contains
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function d_null_func_3d(x,y,z) result(val)
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real(psb_dpk_), intent(in) :: x,y,z
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real(psb_dpk_) :: val
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val = dzero
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end function d_null_func_3d
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!
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! functions parametrizing the differential equation
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!
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!
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! Note: b1, b2 and b3 are the coefficients of the first
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! derivative of the unknown function. The default
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! we apply here is to have them zero, so that the resulting
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! matrix is symmetric/hermitian and suitable for
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! testing with CG and FCG.
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! When testing methods for non-hermitian matrices you can
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! change the B1/B2/B3 functions to e.g. done/sqrt((3*done))
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!
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function b1(x,y,z)
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use psb_base_mod, only : psb_dpk_, done, dzero
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implicit none
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real(psb_dpk_) :: b1
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real(psb_dpk_), intent(in) :: x,y,z
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b1=dzero
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end function b1
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function b2(x,y,z)
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use psb_base_mod, only : psb_dpk_, done, dzero
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implicit none
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real(psb_dpk_) :: b2
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real(psb_dpk_), intent(in) :: x,y,z
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b2=dzero
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end function b2
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function b3(x,y,z)
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use psb_base_mod, only : psb_dpk_, done, dzero
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implicit none
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real(psb_dpk_) :: b3
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real(psb_dpk_), intent(in) :: x,y,z
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b3=dzero
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end function b3
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function c(x,y,z)
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use psb_base_mod, only : psb_dpk_, done, dzero
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implicit none
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real(psb_dpk_) :: c
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real(psb_dpk_), intent(in) :: x,y,z
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c=dzero
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end function c
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function a1(x,y,z)
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use psb_base_mod, only : psb_dpk_, done, dzero
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implicit none
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real(psb_dpk_) :: a1
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real(psb_dpk_), intent(in) :: x,y,z
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a1=done/80
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end function a1
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function a2(x,y,z)
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use psb_base_mod, only : psb_dpk_, done, dzero
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implicit none
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real(psb_dpk_) :: a2
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real(psb_dpk_), intent(in) :: x,y,z
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a2=done/80
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end function a2
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function a3(x,y,z)
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use psb_base_mod, only : psb_dpk_, done, dzero
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implicit none
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real(psb_dpk_) :: a3
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real(psb_dpk_), intent(in) :: x,y,z
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a3=done/80
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end function a3
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function g(x,y,z)
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use psb_base_mod, only : psb_dpk_, done, dzero
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implicit none
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real(psb_dpk_) :: g
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real(psb_dpk_), intent(in) :: x,y,z
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g = dzero
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if (x == done) then
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g = done
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else if (x == dzero) then
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g = exp(y**2-z**2)
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end if
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end function g
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!
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! subroutine to allocate and fill in the coefficient matrix and
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! the rhs.
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!
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subroutine psb_d_gen_pde3d(ctxt,idim,a,bv,xv,desc_a,afmt,info,&
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& f,amold,vmold,imold,partition,nrl,iv,tnd)
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use psb_base_mod
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use psb_util_mod
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!
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! Discretizes the partial differential equation
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!
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! a1 dd(u) a2 dd(u) a3 dd(u) b1 d(u) b2 d(u) b3 d(u)
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! - ------ - ------ - ------ + ----- + ------ + ------ + c u = f
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! dxdx dydy dzdz dx dy dz
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!
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! with Dirichlet boundary conditions
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! u = g
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!
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! on the unit cube 0<=x,y,z<=1.
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!
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!
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! Note that if b1=b2=b3=c=0., the PDE is the Laplace equation.
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!
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implicit none
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integer(psb_ipk_) :: idim
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type(psb_dspmat_type) :: a
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type(psb_d_vect_type) :: xv,bv
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type(psb_desc_type) :: desc_a
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type(psb_ctxt_type) :: ctxt
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integer(psb_ipk_) :: info
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character(len=*) :: afmt
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procedure(d_func_3d), optional :: f
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class(psb_d_base_sparse_mat), optional :: amold
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class(psb_d_base_vect_type), optional :: vmold
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class(psb_i_base_vect_type), optional :: imold
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integer(psb_ipk_), optional :: partition, nrl,iv(:)
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logical, optional :: tnd
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! Local variables.
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integer(psb_ipk_), parameter :: nb=20
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type(psb_d_csc_sparse_mat) :: acsc
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type(psb_d_coo_sparse_mat) :: acoo
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type(psb_d_csr_sparse_mat) :: acsr
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real(psb_dpk_) :: zt(nb),x,y,z
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integer(psb_ipk_) :: nnz,nr,nlr,i,j,ii,ib,k, partition_
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integer(psb_lpk_) :: m,n,glob_row,nt
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integer(psb_ipk_) :: ix,iy,iz,ia,indx_owner
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! For 3D partition
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! Note: integer control variables going directly into an MPI call
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! must be 4 bytes, i.e. psb_mpk_
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integer(psb_mpk_) :: npdims(3), npp, minfo
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integer(psb_ipk_) :: npx,npy,npz, iamx,iamy,iamz,mynx,myny,mynz
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integer(psb_ipk_), allocatable :: bndx(:),bndy(:),bndz(:)
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! Process grid
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integer(psb_ipk_) :: np, iam, nth
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integer(psb_ipk_) :: icoeff
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integer(psb_lpk_), allocatable :: irow(:),icol(:),myidx(:)
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real(psb_dpk_), allocatable :: val(:)
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! deltah dimension of each grid cell
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! deltat discretization time
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real(psb_dpk_) :: deltah, sqdeltah, deltah2
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real(psb_dpk_), parameter :: rhs=dzero,one=done,zero=dzero
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real(psb_dpk_) :: t0, t1, t2, t3, tasb, talc, ttot, tgen, tcdasb
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integer(psb_ipk_) :: err_act
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procedure(d_func_3d), pointer :: f_
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logical :: tnd_
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character(len=20) :: name, ch_err,tmpfmt
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info = psb_success_
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name = 'create_matrix'
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call psb_erractionsave(err_act)
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call psb_info(ctxt, iam, np)
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if (present(f)) then
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f_ => f
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else
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f_ => d_null_func_3d
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end if
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deltah = done/(idim+1)
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sqdeltah = deltah*deltah
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deltah2 = (2*done)* deltah
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if (present(partition)) then
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if ((1<= partition).and.(partition <= 3)) then
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partition_ = partition
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else
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write(*,*) 'Invalid partition choice ',partition,' defaulting to 3'
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partition_ = 3
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end if
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else
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partition_ = 3
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end if
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tnd_ = .false.
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if (present(tnd)) tnd_ = tnd
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! initialize array descriptor and sparse matrix storage. provide an
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! estimate of the number of non zeroes
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m = (1_psb_lpk_*idim)*idim*idim
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n = m
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nnz = ((n*7)/(np))
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if(iam == psb_root_) write(psb_out_unit,'("Generating Matrix (size=",i0,")...")')n
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t0 = psb_wtime()
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select case(partition_)
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case(1)
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! A BLOCK partition
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if (present(nrl)) then
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nr = nrl
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else
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!
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! Using a simple BLOCK distribution.
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!
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nt = (m+np-1)/np
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nr = max(0,min(nt,m-(iam*nt)))
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end if
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nt = nr
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call psb_sum(ctxt,nt)
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if (nt /= m) then
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write(psb_err_unit,*) iam, 'Initialization error ',nr,nt,m
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info = -1
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call psb_barrier(ctxt)
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call psb_abort(ctxt)
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return
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end if
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!
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! First example of use of CDALL: specify for each process a number of
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! contiguous rows
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!
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call psb_cdall(ctxt,desc_a,info,nl=nr)
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myidx = desc_a%get_global_indices()
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nlr = size(myidx)
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case(2)
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! A partition defined by the user through IV
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if (present(iv)) then
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if (size(iv) /= m) then
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write(psb_err_unit,*) iam, 'Initialization error: wrong IV size',size(iv),m
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info = -1
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call psb_barrier(ctxt)
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call psb_abort(ctxt)
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return
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end if
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else
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write(psb_err_unit,*) iam, 'Initialization error: IV not present'
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info = -1
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call psb_barrier(ctxt)
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call psb_abort(ctxt)
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return
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end if
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!
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! Second example of use of CDALL: specify for each row the
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! process that owns it
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!
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call psb_cdall(ctxt,desc_a,info,vg=iv)
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myidx = desc_a%get_global_indices()
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nlr = size(myidx)
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case(3)
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! A 3-dimensional partition
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! A nifty MPI function will split the process list
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npdims = 0
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call mpi_dims_create(np,3,npdims,info)
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npx = npdims(1)
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npy = npdims(2)
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npz = npdims(3)
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allocate(bndx(0:npx),bndy(0:npy),bndz(0:npz))
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! We can reuse idx2ijk for process indices as well.
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call idx2ijk(iamx,iamy,iamz,iam,npx,npy,npz,base=0)
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! Now let's split the 3D cube in hexahedra
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call dist1Didx(bndx,idim,npx)
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mynx = bndx(iamx+1)-bndx(iamx)
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call dist1Didx(bndy,idim,npy)
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myny = bndy(iamy+1)-bndy(iamy)
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call dist1Didx(bndz,idim,npz)
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mynz = bndz(iamz+1)-bndz(iamz)
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! How many indices do I own?
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nlr = mynx*myny*mynz
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allocate(myidx(nlr))
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! Now, let's generate the list of indices I own
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nr = 0
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do i=bndx(iamx),bndx(iamx+1)-1
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do j=bndy(iamy),bndy(iamy+1)-1
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do k=bndz(iamz),bndz(iamz+1)-1
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nr = nr + 1
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call ijk2idx(myidx(nr),i,j,k,idim,idim,idim)
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end do
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end do
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end do
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if (nr /= nlr) then
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write(psb_err_unit,*) iam,iamx,iamy,iamz, 'Initialization error: NR vs NLR ',&
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& nr,nlr,mynx,myny,mynz
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info = -1
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call psb_barrier(ctxt)
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call psb_abort(ctxt)
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end if
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!
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! Third example of use of CDALL: specify for each process
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! the set of global indices it owns.
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!
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call psb_cdall(ctxt,desc_a,info,vl=myidx)
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case default
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write(psb_err_unit,*) iam, 'Initialization error: should not get here'
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info = -1
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call psb_barrier(ctxt)
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call psb_abort(ctxt)
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return
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end select
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if (info == psb_success_) call psb_spall(a,desc_a,info,nnz=nnz)
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! define rhs from boundary conditions; also build initial guess
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if (info == psb_success_) call psb_geall(xv,desc_a,info)
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if (info == psb_success_) call psb_geall(bv,desc_a,info)
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call psb_barrier(ctxt)
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talc = psb_wtime()-t0
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if (info /= psb_success_) then
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info=psb_err_from_subroutine_
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ch_err='allocation rout.'
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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end if
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! we build an auxiliary matrix consisting of one row at a
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! time; just a small matrix. might be extended to generate
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! a bunch of rows per call.
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!
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allocate(val(20*nb),irow(20*nb),&
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&icol(20*nb),stat=info)
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if (info /= psb_success_ ) then
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info=psb_err_alloc_dealloc_
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call psb_errpush(info,name)
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goto 9999
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endif
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! loop over rows belonging to current process in a block
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! distribution.
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call psb_barrier(ctxt)
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t1 = psb_wtime()
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do ii=1, nlr,nb
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ib = min(nb,nlr-ii+1)
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icoeff = 1
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do k=1,ib
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i=ii+k-1
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! local matrix pointer
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glob_row=myidx(i)
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! compute gridpoint coordinates
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call idx2ijk(ix,iy,iz,glob_row,idim,idim,idim)
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! x, y, z coordinates
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x = (ix-1)*deltah
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y = (iy-1)*deltah
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z = (iz-1)*deltah
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zt(k) = f_(x,y,z)
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! internal point: build discretization
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!
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! term depending on (x-1,y,z)
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!
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val(icoeff) = -a1(x,y,z)/sqdeltah-b1(x,y,z)/deltah2
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if (ix == 1) then
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zt(k) = g(dzero,y,z)*(-val(icoeff)) + zt(k)
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else
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call ijk2idx(icol(icoeff),ix-1,iy,iz,idim,idim,idim)
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irow(icoeff) = glob_row
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icoeff = icoeff+1
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endif
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! term depending on (x,y-1,z)
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val(icoeff) = -a2(x,y,z)/sqdeltah-b2(x,y,z)/deltah2
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if (iy == 1) then
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zt(k) = g(x,dzero,z)*(-val(icoeff)) + zt(k)
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else
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call ijk2idx(icol(icoeff),ix,iy-1,iz,idim,idim,idim)
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irow(icoeff) = glob_row
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icoeff = icoeff+1
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endif
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! term depending on (x,y,z-1)
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val(icoeff)=-a3(x,y,z)/sqdeltah-b3(x,y,z)/deltah2
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if (iz == 1) then
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zt(k) = g(x,y,dzero)*(-val(icoeff)) + zt(k)
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else
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call ijk2idx(icol(icoeff),ix,iy,iz-1,idim,idim,idim)
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irow(icoeff) = glob_row
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icoeff = icoeff+1
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endif
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! term depending on (x,y,z)
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val(icoeff)=(2*done)*(a1(x,y,z)+a2(x,y,z)+a3(x,y,z))/sqdeltah &
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& + c(x,y,z)
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call ijk2idx(icol(icoeff),ix,iy,iz,idim,idim,idim)
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irow(icoeff) = glob_row
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icoeff = icoeff+1
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! term depending on (x,y,z+1)
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val(icoeff)=-a3(x,y,z)/sqdeltah+b3(x,y,z)/deltah2
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if (iz == idim) then
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zt(k) = g(x,y,done)*(-val(icoeff)) + zt(k)
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else
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call ijk2idx(icol(icoeff),ix,iy,iz+1,idim,idim,idim)
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irow(icoeff) = glob_row
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icoeff = icoeff+1
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endif
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! term depending on (x,y+1,z)
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val(icoeff)=-a2(x,y,z)/sqdeltah+b2(x,y,z)/deltah2
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if (iy == idim) then
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zt(k) = g(x,done,z)*(-val(icoeff)) + zt(k)
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else
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call ijk2idx(icol(icoeff),ix,iy+1,iz,idim,idim,idim)
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irow(icoeff) = glob_row
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icoeff = icoeff+1
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endif
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! term depending on (x+1,y,z)
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val(icoeff)=-a1(x,y,z)/sqdeltah+b1(x,y,z)/deltah2
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if (ix==idim) then
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zt(k) = g(done,y,z)*(-val(icoeff)) + zt(k)
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else
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call ijk2idx(icol(icoeff),ix+1,iy,iz,idim,idim,idim)
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irow(icoeff) = glob_row
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icoeff = icoeff+1
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endif
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end do
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call psb_spins(icoeff-1,irow,icol,val,a,desc_a,info)
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if(info /= psb_success_) exit
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call psb_geins(ib,myidx(ii:ii+ib-1),zt(1:ib),bv,desc_a,info)
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if(info /= psb_success_) exit
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zt(:)=dzero
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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()
|
|
if (present(imold)) then
|
|
call psb_cdasb(desc_a,info,mold=imold)
|
|
else
|
|
call psb_cdasb(desc_a,info)
|
|
end if
|
|
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_) then
|
|
if (present(vmold)) then
|
|
call psb_geasb(xv,desc_a,info,mold=vmold)
|
|
if (info == psb_success_) call psb_geasb(bv,desc_a,info,mold=vmold)
|
|
else
|
|
call psb_geasb(xv,desc_a,info)
|
|
if (info == psb_success_) call psb_geasb(bv,desc_a,info)
|
|
end if
|
|
end if
|
|
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
|
|
|
|
subroutine run_spmv_kernel(ctxt,use_gpu,matrix_file,matrix_fmt,cpu_fmt,gpu_fmt,idim_in,times_in,do_swap)
|
|
use psb_base_mod
|
|
#ifdef PSB_HAVE_CUDA
|
|
use psb_cuda_mod
|
|
#endif
|
|
implicit none
|
|
|
|
type(psb_ctxt_type), intent(in) :: ctxt
|
|
logical, intent(in) :: use_gpu
|
|
character(len=*), intent(in) :: matrix_file
|
|
character(len=*), intent(in) :: matrix_fmt
|
|
character(len=*), intent(in) :: cpu_fmt
|
|
character(len=*), intent(in) :: gpu_fmt
|
|
integer(psb_ipk_), intent(in) :: idim_in, times_in
|
|
logical, intent(in) :: do_swap
|
|
|
|
type(psb_dspmat_type) :: a
|
|
type(psb_d_vect_type) :: x, y
|
|
type(psb_desc_type) :: desc_a
|
|
character(len=8) :: afmt
|
|
character(len=64) :: env_buf
|
|
integer(psb_ipk_) :: my_rank, np, info, err_act
|
|
integer(psb_ipk_) :: idim, times, i, n_global
|
|
integer :: env_len, env_status, ios
|
|
real(psb_dpk_) :: alpha, beta, t0, t1, dt, avg_t
|
|
logical :: use_external_matrix
|
|
|
|
#ifdef PSB_HAVE_CUDA
|
|
type(psb_d_vect_cuda) :: cuda_vector_mold
|
|
type(psb_i_vect_cuda) :: cuda_index_mold
|
|
type(psb_d_cuda_elg_sparse_mat), target :: cuda_ell_sparse_mold
|
|
type(psb_d_cuda_csrg_sparse_mat), target :: cuda_csr_sparse_mold
|
|
type(psb_d_cuda_hdiag_sparse_mat), target :: cuda_hdia_sparse_mold
|
|
type(psb_d_cuda_hlg_sparse_mat), target :: cuda_hll_sparse_mold
|
|
class(psb_d_base_sparse_mat), pointer :: cuda_sparse_mold
|
|
#endif
|
|
|
|
info = psb_success_
|
|
afmt = psb_toupper(trim(cpu_fmt))
|
|
if (len_trim(afmt) == 0) afmt = 'CSR'
|
|
if (idim_in > 0) then
|
|
idim = idim_in
|
|
else
|
|
idim = 10
|
|
end if
|
|
|
|
if (times_in > 0) then
|
|
times = times_in
|
|
else
|
|
times = 100
|
|
end if
|
|
alpha = done
|
|
beta = dzero
|
|
|
|
call psb_erractionsave(err_act)
|
|
call psb_info(ctxt, my_rank, np)
|
|
use_external_matrix = (len_trim(matrix_file) > 0)
|
|
|
|
if (idim_in <= 0) then
|
|
call get_environment_variable('IDIM', env_buf, length=env_len, status=env_status)
|
|
if ((env_status == 0) .and. (env_len > 0)) then
|
|
read(env_buf(1:env_len), *, iostat=ios) idim
|
|
if ((ios /= 0) .or. (idim < 2)) idim = 10
|
|
end if
|
|
end if
|
|
|
|
if (times_in <= 0) then
|
|
call get_environment_variable('TIMES', env_buf, length=env_len, status=env_status)
|
|
if ((env_status == 0) .and. (env_len > 0)) then
|
|
read(env_buf(1:env_len), *, iostat=ios) times
|
|
if ((ios /= 0) .or. (times < 1)) times = 100
|
|
end if
|
|
end if
|
|
|
|
call psb_barrier(ctxt)
|
|
if (use_external_matrix) then
|
|
call load_external_matrix(ctxt, matrix_file, matrix_fmt, a, y, x, desc_a, afmt, info)
|
|
n_global = int(a%get_nrows(),kind=psb_ipk_)
|
|
else
|
|
call psb_d_gen_pde3d(ctxt,idim,a,y,x,desc_a,afmt,info)
|
|
n_global = idim * idim * idim
|
|
end if
|
|
if (info /= psb_success_) goto 9999
|
|
|
|
#ifdef PSB_HAVE_CUDA
|
|
if (use_gpu) then
|
|
select case(psb_toupper(trim(gpu_fmt)))
|
|
case('ELG')
|
|
cuda_sparse_mold => cuda_ell_sparse_mold
|
|
case('CSRG')
|
|
cuda_sparse_mold => cuda_csr_sparse_mold
|
|
case('HDIAG','HDIA')
|
|
cuda_sparse_mold => cuda_hdia_sparse_mold
|
|
case default
|
|
cuda_sparse_mold => cuda_hll_sparse_mold
|
|
end select
|
|
call a%cscnv(info,mold=cuda_sparse_mold)
|
|
if (info /= psb_success_) goto 9999
|
|
call desc_a%cnv(mold=cuda_index_mold)
|
|
if (info /= psb_success_) goto 9999
|
|
call x%cnv(mold=cuda_vector_mold)
|
|
if (info /= psb_success_) goto 9999
|
|
call y%cnv(mold=cuda_vector_mold)
|
|
if (info /= psb_success_) goto 9999
|
|
end if
|
|
#endif
|
|
|
|
! warm-up
|
|
call psb_spmm(alpha, a, x, beta, y, desc_a, info, doswap=do_swap)
|
|
if (info /= psb_success_) goto 9999
|
|
|
|
call psb_barrier(ctxt)
|
|
t0 = psb_wtime()
|
|
do i = 1, times
|
|
call psb_spmm(alpha, a, x, beta, y, desc_a, info, doswap=do_swap)
|
|
if (info /= psb_success_) exit
|
|
end do
|
|
t1 = psb_wtime()
|
|
if (info /= psb_success_) goto 9999
|
|
|
|
dt = t1 - t0
|
|
call psb_amx(ctxt, dt)
|
|
avg_t = dt / real(times, psb_dpk_)
|
|
|
|
if (my_rank == psb_root_) then
|
|
if (do_swap) then
|
|
write(psb_out_unit,'(/,"SpMV benchmark (overlap)")')
|
|
else
|
|
write(psb_out_unit,'(/,"SpMV benchmark (no overlap)")')
|
|
end if
|
|
write(psb_out_unit,'(" cpu matrix fmt : ",a)') trim(afmt)
|
|
if (use_gpu) write(psb_out_unit,'(" gpu matrix fmt : ",a)') trim(psb_toupper(trim(gpu_fmt)))
|
|
if (use_external_matrix) then
|
|
write(psb_out_unit,'(" matrix file : ",a)') trim(matrix_file)
|
|
write(psb_out_unit,'(" matrix format : ",a)') trim(matrix_fmt)
|
|
else
|
|
write(psb_out_unit,'(" idim : ",i0)') idim
|
|
end if
|
|
write(psb_out_unit,'(" global unknowns : ",i0)') n_global
|
|
write(psb_out_unit,'(" repetitions : ",i0)') times
|
|
write(psb_out_unit,'(" total time [s] : ",es12.5)') dt
|
|
write(psb_out_unit,'(" avg time [s] : ",es12.5)') avg_t
|
|
end if
|
|
|
|
call psb_gefree(y, desc_a, info)
|
|
call psb_gefree(x, desc_a, info)
|
|
call psb_spfree(a, desc_a, info)
|
|
call psb_cdfree(desc_a, info)
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 call psb_error(ctxt)
|
|
call psb_error_handler(ctxt, err_act)
|
|
end subroutine run_spmv_kernel
|
|
|
|
subroutine load_external_matrix(ctxt, matrix_file, matrix_fmt, a, bv, xv, desc_a, afmt, info)
|
|
type(psb_ctxt_type), intent(in) :: ctxt
|
|
character(len=*), intent(in) :: matrix_file
|
|
character(len=*), intent(in) :: matrix_fmt
|
|
type(psb_dspmat_type), intent(out) :: a
|
|
type(psb_d_vect_type), intent(out) :: bv, xv
|
|
type(psb_desc_type), intent(out) :: desc_a
|
|
character(len=*), intent(in) :: afmt
|
|
integer(psb_ipk_), intent(out) :: info
|
|
|
|
type(psb_ldspmat_type) :: aux_a
|
|
real(psb_dpk_), allocatable :: rhs_glob(:), x_glob(:)
|
|
integer(psb_lpk_) :: nrows, ncols
|
|
|
|
info = psb_success_
|
|
|
|
select case(psb_toupper(trim(matrix_fmt)))
|
|
case('MM')
|
|
call mm_mat_read(aux_a,info,filename=trim(matrix_file))
|
|
case('HB')
|
|
call hb_read(aux_a,info,filename=trim(matrix_file))
|
|
case default
|
|
info = psb_err_internal_error_
|
|
return
|
|
end select
|
|
if (info /= psb_success_) return
|
|
|
|
nrows = aux_a%get_nrows()
|
|
ncols = aux_a%get_ncols()
|
|
if (nrows /= ncols) then
|
|
write(psb_err_unit,'("Input matrix must be square: ",a)') trim(matrix_file)
|
|
info = psb_err_internal_error_
|
|
return
|
|
end if
|
|
|
|
call psb_matdist(aux_a, a, ctxt, desc_a, info, fmt=afmt, parts=part_block)
|
|
if (info /= psb_success_) return
|
|
|
|
call psb_geall(xv,desc_a,info)
|
|
if (info /= psb_success_) return
|
|
call psb_geall(bv,desc_a,info)
|
|
if (info /= psb_success_) return
|
|
|
|
allocate(rhs_glob(nrows), x_glob(ncols), stat=info)
|
|
if (info /= psb_success_) then
|
|
info = psb_err_alloc_dealloc_
|
|
return
|
|
end if
|
|
rhs_glob = done
|
|
x_glob = dzero
|
|
|
|
call psb_scatter(rhs_glob,bv,desc_a,info,root=psb_root_)
|
|
if (info /= psb_success_) return
|
|
call psb_scatter(x_glob,xv,desc_a,info,root=psb_root_)
|
|
if (info /= psb_success_) return
|
|
|
|
deallocate(rhs_glob, x_glob)
|
|
end subroutine load_external_matrix
|
|
|
|
end module psb_spmv_overlap_test
|
|
|
|
program psb_spmv_kernel
|
|
use psb_spmv_overlap_test
|
|
use psb_base_mod
|
|
#ifdef PSB_HAVE_CUDA
|
|
use psb_cuda_mod
|
|
#endif
|
|
implicit none
|
|
|
|
type(psb_ctxt_type) :: ctxt
|
|
logical :: use_gpu
|
|
integer(psb_ipk_) :: my_rank, np, k
|
|
integer :: ios
|
|
character(len=256) :: arg
|
|
character(len=256) :: matrix_file
|
|
character(len=2) :: matrix_fmt
|
|
character(len=8) :: cpu_fmt
|
|
character(len=8) :: gpu_fmt
|
|
integer(psb_ipk_) :: idim_arg, times_arg
|
|
logical :: do_swap
|
|
idim_arg = -1
|
|
times_arg = -1
|
|
|
|
matrix_file = ''
|
|
matrix_fmt = 'MM'
|
|
cpu_fmt = 'CSR'
|
|
gpu_fmt = 'HLG'
|
|
do_swap = .true.
|
|
|
|
call psb_init(ctxt)
|
|
call psb_info(ctxt, my_rank, np)
|
|
|
|
#ifdef PSB_HAVE_CUDA
|
|
use_gpu = .true.
|
|
#else
|
|
use_gpu = .false.
|
|
#endif
|
|
|
|
do k = 1, command_argument_count()
|
|
call get_command_argument(k, arg)
|
|
if (index(psb_toupper(trim(arg)), '--GPU=') == 1) then
|
|
select case (psb_toupper(adjustl(arg(7:len_trim(arg)))))
|
|
case ('TRUE','T','1','YES','Y','ON')
|
|
use_gpu = .true.
|
|
case ('FALSE','F','0','NO','N','OFF')
|
|
use_gpu = .false.
|
|
end select
|
|
else if (index(psb_toupper(trim(arg)), '--MATRIX=') == 1) then
|
|
matrix_file = adjustl(arg(10:len_trim(arg)))
|
|
else if (index(psb_toupper(trim(arg)), '--FMT=') == 1) then
|
|
arg = psb_toupper(adjustl(arg(7:len_trim(arg))))
|
|
if ((trim(arg) == 'MM') .or. (trim(arg) == 'HB')) matrix_fmt = trim(arg)
|
|
else if (index(psb_toupper(trim(arg)), '--MTX_FMT=') == 1) then
|
|
arg = psb_toupper(adjustl(arg(10:len_trim(arg))))
|
|
if ((trim(arg) == 'MM') .or. (trim(arg) == 'HB')) matrix_fmt = trim(arg)
|
|
else if (index(psb_toupper(trim(arg)), '--DIM=') == 1) then
|
|
read(arg(7:len_trim(arg)),*,iostat=ios) idim_arg
|
|
if ((ios /= 0) .or. (idim_arg < 2)) idim_arg = -1
|
|
else if (index(psb_toupper(trim(arg)), '--TIMES=') == 1) then
|
|
read(arg(9:len_trim(arg)),*,iostat=ios) times_arg
|
|
if ((ios /= 0) .or. (times_arg < 1)) times_arg = -1
|
|
else if (index(psb_toupper(trim(arg)), '--ITERS=') == 1) then
|
|
read(arg(9:len_trim(arg)),*,iostat=ios) times_arg
|
|
if ((ios /= 0) .or. (times_arg < 1)) times_arg = -1
|
|
else if (index(psb_toupper(trim(arg)), '--CPU_FORMAT=') == 1) then
|
|
cpu_fmt = psb_toupper(adjustl(arg(14:len_trim(arg))))
|
|
else if (index(psb_toupper(trim(arg)), '--CPU_FMT=') == 1) then
|
|
cpu_fmt = psb_toupper(adjustl(arg(11:len_trim(arg))))
|
|
else if (index(psb_toupper(trim(arg)), '--GPU_FORMAT=') == 1) then
|
|
gpu_fmt = psb_toupper(adjustl(arg(14:len_trim(arg))))
|
|
else if (index(psb_toupper(trim(arg)), '--GPU_FMT=') == 1) then
|
|
gpu_fmt = psb_toupper(adjustl(arg(11:len_trim(arg))))
|
|
else if ((trim(psb_toupper(arg)) == '--NOOVERLAP') .or. (trim(psb_toupper(arg)) == '--NO_OVERLAP')) then
|
|
do_swap = .false.
|
|
else if ((trim(psb_toupper(arg)) == '--OVERLAP') .or. (trim(psb_toupper(arg)) == '--SWAP')) then
|
|
do_swap = .true.
|
|
else if (trim(psb_toupper(arg)) == '--MATRIX') then
|
|
if (k < command_argument_count()) call get_command_argument(k+1,matrix_file)
|
|
else if (trim(psb_toupper(arg)) == '--FMT') then
|
|
if (k < command_argument_count()) then
|
|
call get_command_argument(k+1,arg)
|
|
arg = psb_toupper(trim(arg))
|
|
if ((trim(arg) == 'MM') .or. (trim(arg) == 'HB')) matrix_fmt = trim(arg)
|
|
end if
|
|
else if (trim(psb_toupper(arg)) == '--MTX_FMT') then
|
|
if (k < command_argument_count()) then
|
|
call get_command_argument(k+1,arg)
|
|
arg = psb_toupper(trim(arg))
|
|
if ((trim(arg) == 'MM') .or. (trim(arg) == 'HB')) matrix_fmt = trim(arg)
|
|
end if
|
|
else if (trim(psb_toupper(arg)) == '--DIM') then
|
|
if (k < command_argument_count()) then
|
|
call get_command_argument(k+1,arg)
|
|
read(arg,*,iostat=ios) idim_arg
|
|
if ((ios /= 0) .or. (idim_arg < 2)) idim_arg = -1
|
|
end if
|
|
else if ((trim(psb_toupper(arg)) == '--TIMES') .or. (trim(psb_toupper(arg)) == '--ITERS')) then
|
|
if (k < command_argument_count()) then
|
|
call get_command_argument(k+1,arg)
|
|
read(arg,*,iostat=ios) times_arg
|
|
if ((ios /= 0) .or. (times_arg < 1)) times_arg = -1
|
|
end if
|
|
else if ((trim(psb_toupper(arg)) == '--CPU_FORMAT') .or. (trim(psb_toupper(arg)) == '--CPU_FMT')) then
|
|
if (k < command_argument_count()) then
|
|
call get_command_argument(k+1,arg)
|
|
cpu_fmt = psb_toupper(trim(arg))
|
|
end if
|
|
else if ((trim(psb_toupper(arg)) == '--GPU_FORMAT') .or. (trim(psb_toupper(arg)) == '--GPU_FMT')) then
|
|
if (k < command_argument_count()) then
|
|
call get_command_argument(k+1,arg)
|
|
gpu_fmt = psb_toupper(trim(arg))
|
|
end if
|
|
end if
|
|
end do
|
|
|
|
#ifdef PSB_HAVE_CUDA
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if (use_gpu) call psb_cuda_init(ctxt)
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#else
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use_gpu = .false.
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#endif
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if (my_rank == psb_root_) then
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write(psb_out_unit,*) 'Welcome to PSBLAS version: ', psb_version_string_
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write(psb_out_unit,*) 'This is the psb_spmv_kernel sample program'
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write(psb_out_unit,'("GPU enabled : ",l1)') use_gpu
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write(psb_out_unit,'("Usage: ./psb_spmv_kernel [--gpu=TRUE|FALSE] [--dim=N] [--times=N] ",&
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&"[--cpu_fmt=CSR|COO|CSC|ELL|HLL] [--gpu_fmt=HLL|ELL|CSR|HDIA] [--matrix=<path>] [--fmt=MM|HB] ",&
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&"[--overlap|--nooverlap]")')
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end if
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call run_spmv_kernel(ctxt,use_gpu,matrix_file,matrix_fmt,cpu_fmt,gpu_fmt,idim_arg,times_arg,do_swap)
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#ifdef PSB_HAVE_CUDA
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if (use_gpu) call psb_cuda_exit()
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#endif
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call psb_exit(ctxt)
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end program psb_spmv_kernel
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