! ! Parallel Sparse BLAS version 3.5 ! (C) Copyright 2006-2018 ! Salvatore Filippone ! Alfredo Buttari ! ! Redistribution and use in source and binary forms, with or without ! modification, are permitted provided that the following conditions ! are met: ! 1. Redistributions of source code must retain the above copyright ! notice, this list of conditions and the following disclaimer. ! 2. Redistributions in binary form must reproduce the above copyright ! notice, this list of conditions, and the following disclaimer in the ! documentation and/or other materials provided with the distribution. ! 3. The name of the PSBLAS group or the names of its contributors may ! not be used to endorse or promote products derived from this ! software without specific written permission. ! ! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED ! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR ! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS ! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR ! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF ! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS ! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN ! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE ! POSSIBILITY OF SUCH DAMAGE. ! ! ! File: psb_sdot.f90 ! ! Function: psb_sdot_vect ! psb_sdot computes the dot product of two distributed vectors, ! ! dot := ( X )**C * ( Y ) ! ! ! Arguments: ! x - type(psb_s_vect_type) The input vector containing the entries of sub( X ). ! y - type(psb_s_vect_type) The input vector containing the entries of sub( Y ). ! desc_a - type(psb_desc_type). The communication descriptor. ! info - integer. Return code ! global - logical(optional) Whether to perform the global sum, default: .true. ! ! Note: from a functional point of view, X and Y are input, but here ! they are declared INOUT because of the sync() methods. ! ! function psb_sdot_vect(x, y, desc_a,info,global) result(res) use psb_desc_mod use psb_s_base_mat_mod use psb_check_mod use psb_error_mod use psb_penv_mod use psb_s_vect_mod use psb_s_psblas_mod, psb_protect_name => psb_sdot_vect implicit none real(psb_spk_) :: res type(psb_s_vect_type), intent(inout) :: x, y type(psb_desc_type), intent(in) :: desc_a integer(psb_ipk_), intent(out) :: info logical, intent(in), optional :: global ! locals type(psb_ctxt_type) :: ctxt integer(psb_ipk_) :: np, me, idx, ndm,& & err_act, iix, jjx, iiy, jjy, i, nr integer(psb_lpk_) :: ix, ijx, iy, ijy, m logical :: global_ character(len=20) :: name, ch_err name='psb_sdot_vect' res = szero info=psb_success_ call psb_erractionsave(err_act) if (psb_errstatus_fatal()) then info = psb_err_internal_error_ ; goto 9999 end if ctxt=desc_a%get_context() call psb_info(ctxt, me, np) if (np == -ione) then info = psb_err_context_error_ call psb_errpush(info,name) goto 9999 endif if (.not.allocated(x%v)) then info = psb_err_invalid_vect_state_ call psb_errpush(info,name) goto 9999 endif if (.not.allocated(y%v)) then info = psb_err_invalid_vect_state_ call psb_errpush(info,name) goto 9999 endif if (present(global)) then global_ = global else global_ = .true. end if ix = ione ijx = ione iy = ione ijy = ione m = desc_a%get_global_rows() ! check vector correctness call psb_chkvect(m,lone,x%get_nrows(),ix,ijx,desc_a,info,iix,jjx) if (info == psb_success_) & & call psb_chkvect(m,lone,y%get_nrows(),iy,ijy,desc_a,info,iiy,jjy) if(info /= psb_success_) then info=psb_err_from_subroutine_ ch_err='psb_chkvect' call psb_errpush(info,name,a_err=ch_err) goto 9999 end if if ((iix /= ione).or.(iiy /= ione)) then info=psb_err_ix_n1_iy_n1_unsupported_ call psb_errpush(info,name) goto 9999 end if nr = desc_a%get_local_rows() if(nr > 0) then res = x%dot(nr,y) ! FIXME ! adjust dot_local because overlapped elements are computed more than once if (size(desc_a%ovrlap_elem,1)>0) then if (x%is_dev()) call x%sync() if (y%is_dev()) call y%sync() do i=1,size(desc_a%ovrlap_elem,1) idx = desc_a%ovrlap_elem(i,1) ndm = desc_a%ovrlap_elem(i,2) res = res - (real(ndm-1)/real(ndm))*(x%v%v(idx)*y%v%v(idx)) end do end if else res = szero end if ! compute global sum if (global_) call psb_sum(ctxt, res) call psb_erractionrestore(err_act) return 9999 call psb_error_handler(ctxt,err_act) return end function psb_sdot_vect ! ! Function: psb_sdot ! psb_sdot computes the dot product of two distributed vectors, ! ! dot := sub( X )**C * sub( Y ) ! ! where sub( X ) denotes X(:,JX) ! ! sub( Y ) denotes Y(:,JY). ! ! Arguments: ! x(:,:) - real The input vector containing the entries of sub( X ). ! y(:,:) - real The input vector containing the entries of sub( Y ). ! desc_a - type(psb_desc_type). The communication descriptor. ! info - integer. Return code ! jx - integer(optional). The column offset for sub( X ). ! jy - integer(optional). The column offset for sub( Y ). ! global - logical(optional) Whether to perform the global sum, default: .true. ! function psb_sdot(x, y,desc_a, info, jx, jy,global) result(res) use psb_base_mod, psb_protect_name => psb_sdot implicit none real(psb_spk_), intent(in) :: x(:,:), y(:,:) type(psb_desc_type), intent(in) :: desc_a integer(psb_ipk_), intent(in), optional :: jx, jy integer(psb_ipk_), intent(out) :: info real(psb_spk_) :: res logical, intent(in), optional :: global ! locals type(psb_ctxt_type) :: ctxt integer(psb_ipk_) :: np, me, idx, ndm,& & err_act, iix, jjx, iiy, jjy, i, nr, lldx, lldy integer(psb_lpk_) :: ix, ijx, iy, ijy, m real(psb_spk_) :: sdot logical :: global_ character(len=20) :: name, ch_err name='psb_sdot' info=psb_success_ call psb_erractionsave(err_act) if (psb_errstatus_fatal()) then info = psb_err_internal_error_ ; goto 9999 end if ctxt=desc_a%get_context() call psb_info(ctxt, me, np) if (np == -ione) then info = psb_err_context_error_ call psb_errpush(info,name) goto 9999 endif ix = ione if (present(jx)) then ijx = jx else ijx = ione endif iy = ione if (present(jy)) then ijy = jy else ijy = ione endif if(ijx /= ijy) then info=3050 call psb_errpush(info,name) goto 9999 end if if (present(global)) then global_ = global else global_ = .true. end if m = desc_a%get_global_rows() lldx = size(x,1) lldy = size(y,1) ! check vector correctness call psb_chkvect(m,lone,lldx,ix,ijx,desc_a,info,iix,jjx) if (info == psb_success_) & & call psb_chkvect(m,lone,lldy,iy,ijy,desc_a,info,iiy,jjy) if(info /= psb_success_) then info=psb_err_from_subroutine_ ch_err='psb_chkvect' call psb_errpush(info,name,a_err=ch_err) goto 9999 end if if ((iix /= ione).or.(iiy /= ione)) then info=psb_err_ix_n1_iy_n1_unsupported_ call psb_errpush(info,name) goto 9999 end if nr = desc_a%get_local_rows() if(nr > 0) then res = sdot(int(nr,kind=psb_mpk_), x(iix:,jjx),1,y(iiy:,jjy),1) ! adjust dot_local because overlapped elements are computed more than once do i=1,size(desc_a%ovrlap_elem,1) idx = desc_a%ovrlap_elem(i,1) ndm = desc_a%ovrlap_elem(i,2) res = res - (real(ndm-1)/real(ndm))*((x(idx,jjx))*y(idx,jjy)) end do else res = szero end if ! compute global sum if (global_) call psb_sum(ctxt, res) call psb_erractionrestore(err_act) return 9999 call psb_error_handler(ctxt,err_act) return end function psb_sdot !!$ !!$ Parallel Sparse BLAS version 3.5 !!$ (C) Copyright 2006-2018 !!$ Salvatore Filippone University of Rome Tor Vergata !!$ Alfredo Buttari !!$ !!$ Redistribution and use in source and binary forms, with or without !!$ modification, are permitted provided that the following conditions !!$ are met: !!$ 1. Redistributions of source code must retain the above copyright !!$ notice, this list of conditions and the following disclaimer. !!$ 2. Redistributions in binary form must reproduce the above copyright !!$ notice, this list of conditions, and the following disclaimer in the !!$ documentation and/or other materials provided with the distribution. !!$ 3. The name of the PSBLAS group or the names of its contributors may !!$ not be used to endorse or promote products derived from this !!$ software without specific written permission. !!$ !!$ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS !!$ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED !!$ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR !!$ PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS !!$ BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR !!$ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF !!$ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS !!$ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN !!$ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) !!$ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE !!$ POSSIBILITY OF SUCH DAMAGE. !!$ !!$ ! ! Function: psb_sdotv ! psb_sdotv computes the dot product of two distributed vectors, ! ! dot := X**C * Y ! ! Arguments: ! x(:) - real The input vector containing the entries of X. ! y(:) - real The input vector containing the entries of Y. ! desc_a - type(psb_desc_type). The communication descriptor. ! info - integer. Return code ! global - logical(optional) Whether to perform the global sum, default: .true. ! function psb_sdotv(x, y,desc_a, info,global) result(res) use psb_base_mod, psb_protect_name => psb_sdotv implicit none real(psb_spk_), intent(in) :: x(:), y(:) type(psb_desc_type), intent(in) :: desc_a integer(psb_ipk_), intent(out) :: info real(psb_spk_) :: res logical, intent(in), optional :: global ! locals type(psb_ctxt_type) :: ctxt integer(psb_ipk_) :: np, me, idx, ndm,& & err_act, iix, jjx, iiy, jjy, i, nr, lldx, lldy integer(psb_lpk_) :: ix, jx, iy, jy, m logical :: global_ real(psb_spk_) :: sdot character(len=20) :: name, ch_err name='psb_sdot' info=psb_success_ call psb_erractionsave(err_act) if (psb_errstatus_fatal()) then info = psb_err_internal_error_ ; goto 9999 end if ctxt=desc_a%get_context() call psb_info(ctxt, me, np) if (np == -ione) then info = psb_err_context_error_ call psb_errpush(info,name) goto 9999 endif if (present(global)) then global_ = global else global_ = .true. end if ix = ione iy = ione jx = ione jy = ione m = desc_a%get_global_rows() lldx = size(x,1) lldy = size(y,1) ! check vector correctness call psb_chkvect(m,lone,lldx,ix,jx,desc_a,info,iix,jjx) if (info == psb_success_)& & call psb_chkvect(m,lone,lldy,iy,jy,desc_a,info,iiy,jjy) if(info /= psb_success_) then info=psb_err_from_subroutine_ ch_err='psb_chkvect' call psb_errpush(info,name,a_err=ch_err) goto 9999 end if if ((iix /= ione).or.(iiy /= ione)) then info=psb_err_ix_n1_iy_n1_unsupported_ call psb_errpush(info,name) goto 9999 end if nr = desc_a%get_local_rows() if(nr > 0) then res = sdot(int(nr,kind=psb_mpk_), x,1,y,1) ! adjust res because overlapped elements are computed more than once do i=1,size(desc_a%ovrlap_elem,1) idx = desc_a%ovrlap_elem(i,1) ndm = desc_a%ovrlap_elem(i,2) res = res - (real(ndm-1)/real(ndm))*((x(idx))*y(idx)) end do else res = szero end if ! compute global sum if (global_) call psb_sum(ctxt, res) call psb_erractionrestore(err_act) return 9999 call psb_error_handler(ctxt,err_act) return end function psb_sdotv !!$ !!$ Parallel Sparse BLAS version 3.5 !!$ (C) Copyright 2006-2018 !!$ Salvatore Filippone University of Rome Tor Vergata !!$ Alfredo Buttari !!$ !!$ Redistribution and use in source and binary forms, with or without !!$ modification, are permitted provided that the following conditions !!$ are met: !!$ 1. Redistributions of source code must retain the above copyright !!$ notice, this list of conditions and the following disclaimer. !!$ 2. Redistributions in binary form must reproduce the above copyright !!$ notice, this list of conditions, and the following disclaimer in the !!$ documentation and/or other materials provided with the distribution. !!$ 3. The name of the PSBLAS group or the names of its contributors may !!$ not be used to endorse or promote products derived from this !!$ software without specific written permission. !!$ !!$ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS !!$ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED !!$ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR !!$ PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS !!$ BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR !!$ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF !!$ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS !!$ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN !!$ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) !!$ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE !!$ POSSIBILITY OF SUCH DAMAGE. !!$ !!$ ! ! Subroutine: psb_sdotvs ! psb_sdotvs computes the dot product of two distributed vectors, ! ! res := X**C * Y ! ! Arguments: ! res - real. The result. ! x(:) - real The input vector containing the entries of X. ! y(:) - real The input vector containing the entries of Y. ! desc_a - type(psb_desc_type). The communication descriptor. ! info - integer. Return code ! global - logical(optional) Whether to perform the global sum, default: .true. ! subroutine psb_sdotvs(res, x, y,desc_a, info,global) use psb_base_mod, psb_protect_name => psb_sdotvs implicit none real(psb_spk_), intent(in) :: x(:), y(:) real(psb_spk_), intent(out) :: res type(psb_desc_type), intent(in) :: desc_a integer(psb_ipk_), intent(out) :: info logical, intent(in), optional :: global ! locals type(psb_ctxt_type) :: ctxt integer(psb_ipk_) :: np, me, idx, ndm,& & err_act, iix, jjx, iiy, jjy, i,nr, lldx, lldy integer(psb_lpk_) :: ix, jx, iy, jy, m logical :: global_ real(psb_spk_) :: sdot character(len=20) :: name, ch_err name='psb_sdot' info=psb_success_ call psb_erractionsave(err_act) if (psb_errstatus_fatal()) then info = psb_err_internal_error_ ; goto 9999 end if ctxt=desc_a%get_context() call psb_info(ctxt, me, np) if (np == -ione) then info = psb_err_context_error_ call psb_errpush(info,name) goto 9999 endif if (present(global)) then global_ = global else global_ = .true. end if ix = ione iy = ione m = desc_a%get_global_rows() lldx = size(x,1) lldy = size(y,1) ! check vector correctness call psb_chkvect(m,lone,lldx,ix,ix,desc_a,info,iix,jjx) if (info == psb_success_) & & call psb_chkvect(m,lone,lldy,iy,iy,desc_a,info,iiy,jjy) if(info /= psb_success_) then info=psb_err_from_subroutine_ ch_err='psb_chkvect' call psb_errpush(info,name,a_err=ch_err) goto 9999 end if if ((iix /= ione).or.(iiy /= ione)) then info=psb_err_ix_n1_iy_n1_unsupported_ call psb_errpush(info,name) goto 9999 end if nr = desc_a%get_local_rows() if(nr > 0) then res = sdot(int(nr,kind=psb_mpk_), x,1,y,1) ! adjust res because overlapped elements are computed more than once do i=1,size(desc_a%ovrlap_elem,1) idx = desc_a%ovrlap_elem(i,1) ndm = desc_a%ovrlap_elem(i,2) res = res - (real(ndm-1)/real(ndm))*((x(idx))*y(idx)) end do else res = szero end if ! compute global sum if (global_) call psb_sum(ctxt, res) call psb_erractionrestore(err_act) return 9999 call psb_error_handler(ctxt,err_act) return end subroutine psb_sdotvs !!$ !!$ Parallel Sparse BLAS version 3.5 !!$ (C) Copyright 2006-2018 !!$ Salvatore Filippone University of Rome Tor Vergata !!$ Alfredo Buttari !!$ !!$ Redistribution and use in source and binary forms, with or without !!$ modification, are permitted provided that the following conditions !!$ are met: !!$ 1. Redistributions of source code must retain the above copyright !!$ notice, this list of conditions and the following disclaimer. !!$ 2. Redistributions in binary form must reproduce the above copyright !!$ notice, this list of conditions, and the following disclaimer in the !!$ documentation and/or other materials provided with the distribution. !!$ 3. The name of the PSBLAS group or the names of its contributors may !!$ not be used to endorse or promote products derived from this !!$ software without specific written permission. !!$ !!$ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS !!$ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED !!$ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR !!$ PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS !!$ BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR !!$ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF !!$ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS !!$ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN !!$ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) !!$ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE !!$ POSSIBILITY OF SUCH DAMAGE. !!$ !!$ ! ! Subroutine: psb_smdots ! psb_smdots computes the dot product of multiple distributed vectors, ! ! res(i) := ( X(:,i) )**C * ( Y(:,i) ) ! ! Arguments: ! res(:) - real. The result. ! x(:) - real The input vector containing the entries of sub( X ). ! y(:) - real The input vector containing the entries of sub( Y ). ! desc_a - type(psb_desc_type). The communication descriptor. ! info - integer. Return code ! global - logical(optional) Whether to perform the global sum, default: .true. ! subroutine psb_smdots(res, x, y, desc_a, info,global) use psb_base_mod, psb_protect_name => psb_smdots implicit none real(psb_spk_), intent(in) :: x(:,:), y(:,:) real(psb_spk_), intent(out) :: res(:) type(psb_desc_type), intent(in) :: desc_a integer(psb_ipk_), intent(out) :: info logical, intent(in), optional :: global ! locals type(psb_ctxt_type) :: ctxt integer(psb_ipk_) :: np, me, idx, ndm,& & err_act, iix, jjx, iiy, jjy, i, j, k, nr, lldx, lldy integer(psb_lpk_) :: ix, ijx, iy, ijy, m logical :: global_ real(psb_spk_) :: sdot character(len=20) :: name, ch_err name='psb_smdots' info=psb_success_ call psb_erractionsave(err_act) if (psb_errstatus_fatal()) then info = psb_err_internal_error_ ; goto 9999 end if ctxt=desc_a%get_context() call psb_info(ctxt, me, np) if (np == -ione) then info = psb_err_context_error_ call psb_errpush(info,name) goto 9999 endif if (present(global)) then global_ = global else global_ = .true. end if ix = ione iy = ione m = desc_a%get_global_rows() lldx = size(x,1) lldy = size(y,1) ! check vector correctness call psb_chkvect(m,lone,lldx,ix,ix,desc_a,info,iix,jjx) if(info /= psb_success_) then info=psb_err_from_subroutine_ ch_err='psb_chkvect' call psb_errpush(info,name,a_err=ch_err) goto 9999 end if call psb_chkvect(m,lone,lldy,iy,iy,desc_a,info,iiy,jjy) if(info /= psb_success_) then info=psb_err_from_subroutine_ ch_err='psb_chkvect' call psb_errpush(info,name,a_err=ch_err) goto 9999 end if if ((ix /= ione).or.(iy /= ione)) then info=psb_err_ix_n1_iy_n1_unsupported_ call psb_errpush(info,name) goto 9999 end if k = min(size(x,2),size(y,2)) nr = desc_a%get_local_rows() if(nr > 0) then do j=1,k res(j) = sdot(int(nr,kind=psb_mpk_),x(1:,j),1,y(1:,j),1) ! adjust res because overlapped elements are computed more than once end do do i=1,size(desc_a%ovrlap_elem,1) idx = desc_a%ovrlap_elem(i,1) ndm = desc_a%ovrlap_elem(i,2) res(1:k) = res(1:k) - & & (real(ndm-1)/real(ndm))*((x(idx,1:k))*y(idx,1:k)) end do else res(:) = szero end if ! compute global sum if (global_) call psb_sum(ctxt, res(1:k)) call psb_erractionrestore(err_act) return 9999 call psb_error_handler(ctxt,err_act) return end subroutine psb_smdots