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564 lines
16 KiB
Fortran
564 lines
16 KiB
Fortran
! Parallel Sparse BLAS GPU plugin
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! (C) Copyright 2013
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!
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! Salvatore Filippone
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! Alessandro Fanfarillo
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!
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! Redistribution and use in source and binary forms, with or without
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! modification, are permitted provided that the following conditions
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! are met:
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! 1. Redistributions of source code must retain the above copyright
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! notice, this list of conditions and the following disclaimer.
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! 2. Redistributions in binary form must reproduce the above copyright
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! notice, this list of conditions, and the following disclaimer in the
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! documentation and/or other materials provided with the distribution.
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! 3. The name of the PSBLAS group or the names of its contributors may
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! not be used to endorse or promote products derived from this
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! software without specific written permission.
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!
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! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
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! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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! POSSIBILITY OF SUCH DAMAGE.
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!
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subroutine psb_s_hll_csmv(alpha,a,x,beta,y,info,trans)
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use psb_base_mod
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use psb_s_hll_mat_mod, psb_protect_name => psb_s_hll_csmv
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implicit none
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class(psb_s_hll_sparse_mat), intent(in) :: a
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real(psb_spk_), intent(in) :: alpha, beta, x(:)
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real(psb_spk_), intent(inout) :: y(:)
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integer(psb_ipk_), intent(out) :: info
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character, optional, intent(in) :: trans
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character :: trans_
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integer(psb_ipk_) :: i,j,k,m,n, nnz, ir, jc, ic, hksz, hkpnt, mxrwl, mmhk
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logical :: tra, ctra
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integer(psb_ipk_) :: err_act
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character(len=20) :: name='s_hll_csmv'
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logical, parameter :: debug=.false.
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call psb_erractionsave(err_act)
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info = psb_success_
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if (present(trans)) then
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trans_ = trans
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else
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trans_ = 'N'
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end if
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if (.not.a%is_asb()) then
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info = psb_err_invalid_mat_state_
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call psb_errpush(info,name)
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goto 9999
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endif
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if (a%is_dev()) call a%sync()
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tra = (psb_toupper(trans_) == 'T')
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ctra = (psb_toupper(trans_) == 'C')
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if (tra.or.ctra) then
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m = a%get_ncols()
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n = a%get_nrows()
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if (size(x,1)<n) then
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info = 36
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call psb_errpush(info,name,i_err=(/3*ione,n/))
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goto 9999
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end if
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if (size(y,1)<m) then
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info = 36
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call psb_errpush(info,name,i_err=(/5*ione,m/))
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goto 9999
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end if
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if (beta == szero) then
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do i = 1, m
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y(i) = szero
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enddo
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else
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do i = 1, m
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y(i) = beta*y(i)
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end do
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endif
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hksz = a%get_hksz()
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j=1
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do i=1,n,hksz
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ir = min(hksz,n-i+1)
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mxrwl = (a%hkoffs(j+1) - a%hkoffs(j))/hksz
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hkpnt = a%hkoffs(j) + 1
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call psb_s_hll_csmv_inner(i,ir,mxrwl,a%irn(i),&
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& alpha,a%ja(hkpnt),hksz,a%val(hkpnt),hksz,&
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& a%is_triangle(),a%is_unit(),&
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& x,sone,y,tra,ctra,info)
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if (info /= psb_success_) goto 9999
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j = j + 1
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end do
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else if (.not.(tra.or.ctra)) then
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n = a%get_ncols()
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m = a%get_nrows()
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hksz = a%get_hksz()
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if (size(x,1)<n) then
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info = 36
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call psb_errpush(info,name,i_err=(/3*ione,n/))
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goto 9999
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end if
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if (size(y,1)<m) then
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info = 36
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call psb_errpush(info,name,i_err=(/5*ione,m/))
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goto 9999
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end if
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if (psi_get_hll_vector()) then
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hksz = a%get_hksz()
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j = 1
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mmhk = (m/hksz) * hksz
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if (mmhk > 0) then
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select case(hksz)
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case(4)
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!$omp parallel do private(i, j,ir,mxrwl, hkpnt)
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do i=1,mmhk,hksz
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j = ((i-1)/hksz)+1
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ir = hksz
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mxrwl = (a%hkoffs(j+1) - a%hkoffs(j))/hksz
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if (mxrwl>0) then
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hkpnt = a%hkoffs(j) + 1
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if (info == psb_success_) &
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& call psb_s_hll_csmv_notra_4(i,mxrwl,a%irn(i),&
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& alpha,a%ja(hkpnt),hksz,a%val(hkpnt),hksz,&
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& a%is_triangle(),a%is_unit(),&
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& x,beta,y,info)
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end if
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j = j + 1
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end do
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if (info /= psb_success_) goto 9999
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case(8)
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!$omp parallel do private(i, j,ir,mxrwl, hkpnt)
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do i=1,mmhk,hksz
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j = ((i-1)/hksz)+1
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ir = hksz
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mxrwl = (a%hkoffs(j+1) - a%hkoffs(j))/hksz
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if (mxrwl>0) then
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hkpnt = a%hkoffs(j) + 1
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if (info == psb_success_) &
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&call psb_s_hll_csmv_notra_8(i,mxrwl,a%irn(i),&
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& alpha,a%ja(hkpnt),hksz,a%val(hkpnt),hksz,&
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& a%is_triangle(),a%is_unit(),&
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& x,beta,y,info)
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end if
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j = j + 1
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end do
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if (info /= psb_success_) goto 9999
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case(16)
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!$omp parallel do private(i, j,ir,mxrwl, hkpnt)
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do i=1,mmhk,hksz
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j = ((i-1)/hksz)+1
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ir = hksz
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mxrwl = (a%hkoffs(j+1) - a%hkoffs(j))/hksz
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if (mxrwl>0) then
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hkpnt = a%hkoffs(j) + 1
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if (info == psb_success_) &
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& call psb_s_hll_csmv_notra_16(i,mxrwl,a%irn(i),&
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& alpha,a%ja(hkpnt),hksz,a%val(hkpnt),hksz,&
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& a%is_triangle(),a%is_unit(),&
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& x,beta,y,info)
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end if
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j = j + 1
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end do
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if (info /= psb_success_) goto 9999
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case(24)
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!$omp parallel do private(i, j,ir,mxrwl, hkpnt)
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do i=1,mmhk,hksz
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j = ((i-1)/hksz)+1
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ir = hksz
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mxrwl = (a%hkoffs(j+1) - a%hkoffs(j))/hksz
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if (mxrwl>0) then
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hkpnt = a%hkoffs(j) + 1
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if (info == psb_success_) &
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& call psb_s_hll_csmv_notra_24(i,mxrwl,a%irn(i),&
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& alpha,a%ja(hkpnt),hksz,a%val(hkpnt),hksz,&
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& a%is_triangle(),a%is_unit(),&
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& x,beta,y,info)
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end if
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j = j + 1
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end do
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if (info /= psb_success_) goto 9999
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case(32)
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!$omp parallel do private(i, j,ir,mxrwl, hkpnt)
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do i=1,mmhk,hksz
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j = ((i-1)/hksz)+1
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ir = hksz
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mxrwl = (a%hkoffs(j+1) - a%hkoffs(j))/hksz
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if (mxrwl>0) then
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hkpnt = a%hkoffs(j) + 1
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if (info == psb_success_) &
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& call psb_s_hll_csmv_notra_32(i,mxrwl,a%irn(i),&
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& alpha,a%ja(hkpnt),hksz,a%val(hkpnt),hksz,&
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& a%is_triangle(),a%is_unit(),&
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& x,beta,y,info)
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end if
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j = j + 1
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end do
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if (info /= psb_success_) goto 9999
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case default
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!$omp parallel do private(i, j,ir,mxrwl, hkpnt)
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do i=1,mmhk,hksz
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j = ((i-1)/hksz)+1
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ir = hksz
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mxrwl = (a%hkoffs(j+1) - a%hkoffs(j))/hksz
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if (mxrwl>0) then
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hkpnt = a%hkoffs(j) + 1
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if (info == psb_success_) &
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& call psb_s_hll_csmv_inner(i,ir,mxrwl,a%irn(i),&
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& alpha,a%ja(hkpnt),hksz,a%val(hkpnt),hksz,&
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& a%is_triangle(),a%is_unit(),&
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& x,beta,y,tra,ctra,info)
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end if
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j = j + 1
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end do
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if (info /= psb_success_) goto 9999
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end select
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end if
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if (mmhk < m) then
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i = mmhk+1
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ir = m-mmhk
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mxrwl = (a%hkoffs(j+1) - a%hkoffs(j))/hksz
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if (mxrwl>0) then
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hkpnt = a%hkoffs(j) + 1
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call psb_s_hll_csmv_inner(i,ir,mxrwl,a%irn(i),&
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& alpha,a%ja(hkpnt),hksz,a%val(hkpnt),hksz,&
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& a%is_triangle(),a%is_unit(),&
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& x,beta,y,tra,ctra,info)
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if (info /= psb_success_) goto 9999
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end if
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j = j + 1
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end if
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else
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j=1
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!$omp parallel do private(i, j,ir,mxrwl, hkpnt)
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do i=1,m,hksz
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j = ((i-1)/hksz)+1
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ir = min(hksz,m-i+1)
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mxrwl = (a%hkoffs(j+1) - a%hkoffs(j))/hksz
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hkpnt = a%hkoffs(j) + 1
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if (info == psb_success_) &
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& call psb_s_hll_csmv_inner(i,ir,mxrwl,a%irn(i),&
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& alpha,a%ja(hkpnt),hksz,a%val(hkpnt),hksz,&
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& a%is_triangle(),a%is_unit(),&
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& x,beta,y,tra,ctra,info)
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j = j + 1
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end do
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if (info /= psb_success_) goto 9999
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end if
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end if
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call psb_erractionrestore(err_act)
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return
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9999 call psb_error_handler(err_act)
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return
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contains
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subroutine psb_s_hll_csmv_inner(ir,m,n,irn,alpha,ja,ldj,val,ldv,&
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& is_triangle,is_unit, x,beta,y,tra,ctra,info)
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integer(psb_ipk_), intent(in) :: ir,m,n,ldj,ldv,ja(ldj,*),irn(*)
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real(psb_spk_), intent(in) :: alpha, beta, x(*),val(ldv,*)
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real(psb_spk_), intent(inout) :: y(*)
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logical, intent(in) :: is_triangle,is_unit,tra,ctra
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_) :: i,j,k, m4, jc
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real(psb_spk_) :: acc(4), tmp
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info = psb_success_
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if (tra) then
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if (beta == sone) then
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do i=1,m
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do j=1, irn(i)
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jc = ja(i,j)
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y(jc) = y(jc) + alpha*val(i,j)*x(ir+i-1)
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end do
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end do
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else
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info = -10
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end if
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else if (ctra) then
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if (beta == sone) then
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do i=1,m
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do j=1, irn(i)
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jc = ja(i,j)
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y(jc) = y(jc) + alpha*(val(i,j))*x(ir+i-1)
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end do
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end do
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else
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info = -10
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end if
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else if (.not.(tra.or.ctra)) then
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if (alpha == szero) then
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if (beta == szero) then
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do i=1,m
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y(ir+i-1) = szero
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end do
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else
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do i=1,m
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y(ir+i-1) = beta*y(ir+i-1)
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end do
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end if
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else
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if (beta == szero) then
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do i=1,m
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tmp = szero
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do j=1, irn(i)
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tmp = tmp + val(i,j)*x(ja(i,j))
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end do
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y(ir+i-1) = alpha*tmp
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end do
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else
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do i=1,m
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tmp = szero
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do j=1, irn(i)
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tmp = tmp + val(i,j)*x(ja(i,j))
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end do
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y(ir+i-1) = alpha*tmp + beta*y(ir+i-1)
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end do
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endif
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end if
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end if
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if (is_unit) then
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do i=1, min(m,n)
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y(i) = y(i) + alpha*x(i)
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end do
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end if
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end subroutine psb_s_hll_csmv_inner
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subroutine psb_s_hll_csmv_notra_8(ir,n,irn,alpha,ja,ldj,val,ldv,&
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& is_triangle,is_unit, x,beta,y,info)
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use psb_base_mod, only : psb_ipk_, psb_spk_, szero, psb_success_
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implicit none
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integer(psb_ipk_), intent(in) :: ir,n,ldj,ldv,ja(ldj,*),irn(*)
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real(psb_spk_), intent(in) :: alpha, beta, x(*),val(ldv,*)
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real(psb_spk_), intent(inout) :: y(*)
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logical, intent(in) :: is_triangle,is_unit
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_), parameter :: m=8
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integer(psb_ipk_) :: i,j,k, m4, jc
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real(psb_spk_) :: acc(4), tmp(m)
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info = psb_success_
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tmp(:) = szero
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if (alpha /= szero) then
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do j=1, maxval(irn(1:8))
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tmp(1:8) = tmp(1:8) + val(1:8,j)*x(ja(1:8,j))
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end do
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end if
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if (beta == szero) then
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y(ir:ir+8-1) = alpha*tmp(1:8)
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else
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y(ir:ir+8-1) = alpha*tmp(1:8) + beta*y(ir:ir+8-1)
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end if
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if (is_unit) then
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do i=1, min(8,n)
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y(ir+i-1) = y(ir+i-1) + alpha*x(ir+i-1)
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end do
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end if
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end subroutine psb_s_hll_csmv_notra_8
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subroutine psb_s_hll_csmv_notra_24(ir,n,irn,alpha,ja,ldj,val,ldv,&
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& is_triangle,is_unit, x,beta,y,info)
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use psb_base_mod, only : psb_ipk_, psb_spk_, szero, psb_success_
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implicit none
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integer(psb_ipk_), intent(in) :: ir,n,ldj,ldv,ja(ldj,*),irn(*)
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real(psb_spk_), intent(in) :: alpha, beta, x(*),val(ldv,*)
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real(psb_spk_), intent(inout) :: y(*)
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logical, intent(in) :: is_triangle,is_unit
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_), parameter :: m=24
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integer(psb_ipk_) :: i,j,k, m4, jc
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real(psb_spk_) :: acc(4), tmp(m)
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info = psb_success_
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tmp(:) = szero
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if (alpha /= szero) then
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do j=1, maxval(irn(1:24))
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tmp(1:24) = tmp(1:24) + val(1:24,j)*x(ja(1:24,j))
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end do
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end if
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if (beta == szero) then
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y(ir:ir+24-1) = alpha*tmp(1:24)
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else
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y(ir:ir+24-1) = alpha*tmp(1:24) + beta*y(ir:ir+24-1)
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end if
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if (is_unit) then
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do i=1, min(24,n)
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y(ir+i-1) = y(ir+i-1) + alpha*x(ir+i-1)
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end do
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end if
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end subroutine psb_s_hll_csmv_notra_24
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subroutine psb_s_hll_csmv_notra_16(ir,n,irn,alpha,ja,ldj,val,ldv,&
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& is_triangle,is_unit, x,beta,y,info)
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use psb_base_mod, only : psb_ipk_, psb_spk_, szero, psb_success_
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implicit none
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integer(psb_ipk_), intent(in) :: ir,n,ldj,ldv,ja(ldj,*),irn(*)
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real(psb_spk_), intent(in) :: alpha, beta, x(*),val(ldv,*)
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real(psb_spk_), intent(inout) :: y(*)
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logical, intent(in) :: is_triangle,is_unit
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integer(psb_ipk_), intent(out) :: info
|
|
|
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integer(psb_ipk_), parameter :: m=16
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integer(psb_ipk_) :: i,j,k, m4, jc
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real(psb_spk_) :: acc(4), tmp(m)
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|
|
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info = psb_success_
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|
|
|
|
|
tmp(:) = szero
|
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if (alpha /= szero) then
|
|
do j=1, maxval(irn(1:16))
|
|
tmp(1:16) = tmp(1:16) + val(1:16,j)*x(ja(1:16,j))
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|
end do
|
|
end if
|
|
if (beta == szero) then
|
|
y(ir:ir+16-1) = alpha*tmp(1:16)
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|
else
|
|
y(ir:ir+16-1) = alpha*tmp(1:16) + beta*y(ir:ir+16-1)
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|
end if
|
|
|
|
|
|
if (is_unit) then
|
|
do i=1, min(16,n)
|
|
y(ir+i-1) = y(ir+i-1) + alpha*x(ir+i-1)
|
|
end do
|
|
end if
|
|
|
|
end subroutine psb_s_hll_csmv_notra_16
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|
|
|
subroutine psb_s_hll_csmv_notra_32(ir,n,irn,alpha,ja,ldj,val,ldv,&
|
|
& is_triangle,is_unit, x,beta,y,info)
|
|
use psb_base_mod, only : psb_ipk_, psb_spk_, szero, psb_success_
|
|
implicit none
|
|
integer(psb_ipk_), intent(in) :: ir,n,ldj,ldv,ja(ldj,*),irn(*)
|
|
real(psb_spk_), intent(in) :: alpha, beta, x(*),val(ldv,*)
|
|
real(psb_spk_), intent(inout) :: y(*)
|
|
logical, intent(in) :: is_triangle,is_unit
|
|
integer(psb_ipk_), intent(out) :: info
|
|
|
|
integer(psb_ipk_), parameter :: m=32
|
|
integer(psb_ipk_) :: i,j,k, m4, jc
|
|
real(psb_spk_) :: acc(4), tmp(m)
|
|
|
|
info = psb_success_
|
|
|
|
|
|
tmp(:) = szero
|
|
if (alpha /= szero) then
|
|
do j=1, maxval(irn(1:32))
|
|
tmp(1:32) = tmp(1:32) + val(1:32,j)*x(ja(1:32,j))
|
|
end do
|
|
end if
|
|
if (beta == szero) then
|
|
y(ir:ir+32-1) = alpha*tmp(1:32)
|
|
else
|
|
y(ir:ir+32-1) = alpha*tmp(1:32) + beta*y(ir:ir+32-1)
|
|
end if
|
|
|
|
|
|
if (is_unit) then
|
|
do i=1, min(32,n)
|
|
y(ir+i-1) = y(ir+i-1) + alpha*x(ir+i-1)
|
|
end do
|
|
end if
|
|
|
|
end subroutine psb_s_hll_csmv_notra_32
|
|
|
|
subroutine psb_s_hll_csmv_notra_4(ir,n,irn,alpha,ja,ldj,val,ldv,&
|
|
& is_triangle,is_unit, x,beta,y,info)
|
|
use psb_base_mod, only : psb_ipk_, psb_spk_, szero, psb_success_
|
|
implicit none
|
|
integer(psb_ipk_), intent(in) :: ir,n,ldj,ldv,ja(ldj,*),irn(*)
|
|
real(psb_spk_), intent(in) :: alpha, beta, x(*),val(ldv,*)
|
|
real(psb_spk_), intent(inout) :: y(*)
|
|
logical, intent(in) :: is_triangle,is_unit
|
|
integer(psb_ipk_), intent(out) :: info
|
|
|
|
integer(psb_ipk_), parameter :: m=4
|
|
integer(psb_ipk_) :: i,j,k, m4, jc
|
|
real(psb_spk_) :: acc(4), tmp(m)
|
|
|
|
info = psb_success_
|
|
|
|
|
|
tmp(:) = szero
|
|
if (alpha /= szero) then
|
|
do j=1, maxval(irn(1:4))
|
|
tmp(1:4) = tmp(1:4) + val(1:4,j)*x(ja(1:4,j))
|
|
end do
|
|
end if
|
|
if (beta == szero) then
|
|
y(ir:ir+4-1) = alpha*tmp(1:4)
|
|
else
|
|
y(ir:ir+4-1) = alpha*tmp(1:4) + beta*y(ir:ir+4-1)
|
|
end if
|
|
|
|
|
|
if (is_unit) then
|
|
do i=1, min(4,n)
|
|
y(ir+i-1) = y(ir+i-1) + alpha*x(ir+i-1)
|
|
end do
|
|
end if
|
|
|
|
end subroutine psb_s_hll_csmv_notra_4
|
|
|
|
end subroutine psb_s_hll_csmv
|