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/*
* Copyright (c) 2012, Michael Lehn * * All rights reserved. * * 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) Neither the name of the FLENS development group nor the names of * its contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR 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. */ #ifndef FLENS_BLAS_CLOSURES_LEVEL3_MM_TCC #define FLENS_BLAS_CLOSURES_LEVEL3_MM_TCC 1 #include <flens/auxiliary/auxiliary.h> #include <flens/blas/closures/closures.h> #include <flens/blas/level1/level1.h> #include <flens/blas/level2/level2.h> #include <flens/blas/level3/level3.h> #include <flens/typedefs.h> #ifdef FLENS_DEBUG_CLOSURES # include <flens/blas/blaslogon.h> #else # include <flens/blas/blaslogoff.h> #endif namespace flens { namespace blas { //== GeneralMatrix - GeneralMatrix products ==================================== template <typename ALPHA, typename MA, typename MB, typename BETA, typename MC> void mm(Transpose transA, Transpose transB, const ALPHA &alpha, const GeneralMatrix<MA> &A, const GeneralMatrix<MB> &B, const BETA &beta, Matrix<MC> &C) { // You get here if you want to call a matrix-matrix product that was not // defined. Or its not correctly included. // TODO: print the signature of the blas::mm() function that needs to be // implemented. ASSERT(0); } //== TriangularMatrix - GeneralMatrix products ================================= template <typename ALPHA, typename MA, typename MB, typename BETA, typename MC> typename RestrictTo<IsTriangularMatrix<MA>::value && IsGeneralMatrix<MB>::value && IsGeneralMatrix<MC>::value, void>::Type trmm(Side side, Transpose transA, Transpose transB, const ALPHA &alpha, const MA &_A, const MB &_B, const BETA &beta, MC &C) { using namespace DEBUGCLOSURE; typedef typename Result<MA>::Type RMA; typedef typename Result<MB>::Type RMB; typedef typename Result<MC>::Type RMC; // // In non-closure debug mode we do not allow temporaries for A or B. // # ifndef FLENS_DEBUG_CLOSURES static_assert(IsSame<RMA, typename Result<RMA>::Type>::value, "temporary required"); static_assert(IsSame<RMB, typename Result<RMB>::Type>::value, "temporary required"); # endif // // If _A or _B is a closure temporaries get created // FLENS_BLASLOG_TMP_TRON; const RMA &A = _A; const RMB &B = _B; FLENS_BLASLOG_TMP_TROFF; // // If beta!=0 or transB!=NoTrans or A and C share the same memopry we need // temporaries // # ifndef FLENS_DEBUG_CLOSURES ASSERT(beta==BETA(0)); ASSERT(transB==NoTrans); ASSERT(!identical(A, C)); # else if (transB!=NoTrans) { // // apply op(B) and recall trmm // typename RMB::NoView _B; FLENS_BLASLOG_TMP_ADD(_B); copy(transB, B, _B); trmm(side, transA, NoTrans, alpha, A, _B, beta, C); FLENS_BLASLOG_TMP_REMOVE(_B, B); if (!IsSame<RMA, typename Result<RMA>::Type>::value) { FLENS_BLASLOG_TMP_REMOVE(A, _A); } if (!IsSame<RMB, typename Result<RMB>::Type>::value) { FLENS_BLASLOG_TMP_REMOVE(B, _B); } return; } if (identical(A,C)) { FLENS_BLASLOG_IDENTICAL(A, C); typename RMC::NoView _C; FLENS_BLASLOG_TMP_ADD(_C); trmm(side, transA, NoTrans, alpha, A, B, beta, _C); C = _C; FLENS_BLASLOG_TMP_REMOVE(_C, C); return; } typename RMC::NoView tmpC; if (beta!=BETA(0)) { FLENS_BLASLOG_TMP_ADD(tmpC); tmpC = C; } # endif // // trmm can only compute C = A*C or C = C*A. So if B and C are not identical // we need to copy // if (!identical(C, B)) { C = B; } mm(side, transA, alpha, A, C); # ifdef FLENS_DEBUG_CLOSURES if (beta!=BETA(0)) { C += beta*tmpC; FLENS_BLASLOG_TMP_REMOVE(tmpC, C); } if (!IsSame<RMA, typename Result<RMA>::Type>::value) { FLENS_BLASLOG_TMP_REMOVE(A, _A); } if (!IsSame<RMB, typename Result<RMB>::Type>::value) { FLENS_BLASLOG_TMP_REMOVE(B, _B); } # endif } template <typename ALPHA, typename MA, typename MB, typename BETA, typename MC> void mm(Transpose transA, Transpose transB, const ALPHA &alpha, const TriangularMatrix<MA> &A, const GeneralMatrix<MB> &B, const BETA &beta, Matrix<MC> &C) { trmm(Left, transA, transB, alpha, A.impl(), B.impl(), beta, C.impl()); } template <typename ALPHA, typename MA, typename MB, typename BETA, typename MC> void mm(Transpose transA, Transpose transB, const ALPHA &alpha, const GeneralMatrix<MA> &A, const TriangularMatrix<MB> &B, const BETA &beta, Matrix<MC> &C) { trmm(Right, transB, transA, alpha, B.impl(), A.impl(), beta, C.impl()); } //== SymmetricMatrix - GeneralMatrix products ================================== template <typename ALPHA, typename MA, typename MB, typename BETA, typename MC> void symm(Side side, Transpose transB, const ALPHA &alpha, const SymmetricMatrix<MA> &_A, const GeneralMatrix<MB> &_B, const BETA &beta, Matrix<MC> &C) { using namespace DEBUGCLOSURE; typedef typename Result<typename MA::Impl>::Type RMA; typedef typename Result<typename MB::Impl>::Type RMB; typedef typename Result<typename MC::Impl>::Type RMC; // // In non-closure debug mode we do not allow temporaries for A or B. // # ifndef FLENS_DEBUG_CLOSURES static_assert(IsSame<RMA, typename Result<RMA>::Type>::value, "temporary required"); static_assert(IsSame<RMB, typename Result<RMB>::Type>::value, "temporary required"); ASSERT(transB==NoTrans); # endif // // If _A or _B is a closure temporaries get created // FLENS_BLASLOG_TMP_TRON; const RMA &A = _A.impl(); const RMB &B = _B.impl(); FLENS_BLASLOG_TMP_TROFF; // // call (sy)mm // # ifndef FLENS_DEBUG_CLOSURES mm(side, alpha, A.impl(), B.impl(), beta, C.impl()); # else // // if transB is not NoTrans we need another temporary // if (transB==NoTrans) { mm(side, alpha, A, B, beta, C.impl()); } else { typename RMB::NoView _B; FLENS_BLASLOG_TMP_ADD(_B); copy(transB, B, _B); mm(side, alpha, A, _B, beta, C.impl()); FLENS_BLASLOG_TMP_REMOVE(_B, B); } # endif # ifdef FLENS_DEBUG_CLOSURES if (!IsSame<RMA, typename Result<RMA>::Type>::value) { FLENS_BLASLOG_TMP_REMOVE(A, _A); } if (!IsSame<RMB, typename Result<RMB>::Type>::value) { FLENS_BLASLOG_TMP_REMOVE(B, _B); } # endif } template <typename ALPHA, typename MA, typename MB, typename BETA, typename MC> void mm(Transpose transA, Transpose transB, const ALPHA &alpha, const SymmetricMatrix<MA> &A, const GeneralMatrix<MB> &B, const BETA &beta, Matrix<MC> &C) { ASSERT(transA==NoTrans || transA==Trans); symm(Left, transB, alpha, A.impl(), B.impl(), beta, C.impl()); } template <typename ALPHA, typename MA, typename MB, typename BETA, typename MC> void mm(Transpose transA, Transpose transB, const ALPHA &alpha, const GeneralMatrix<MA> &A, const SymmetricMatrix<MB> &B, const BETA &beta, Matrix<MC> &C) { ASSERT(transA==NoTrans || transA==Trans); symm(Right, transB, alpha, B.impl(), A.impl(), beta, C.impl()); } //== HermitianMatrix - GeneralMatrix products ================================== template <typename ALPHA, typename MA, typename MB, typename BETA, typename MC> void hemm(Side side, Transpose transB, const ALPHA &alpha, const HermitianMatrix<MA> &_A, const GeneralMatrix<MB> &_B, const BETA &beta, Matrix<MC> &C) { using namespace DEBUGCLOSURE; typedef typename Result<typename MA::Impl>::Type RMA; typedef typename Result<typename MB::Impl>::Type RMB; typedef typename Result<typename MC::Impl>::Type RMC; // // In non-closure debug mode we do not allow temporaries for A or B. // # ifndef FLENS_DEBUG_CLOSURES static_assert(IsSame<RMA, typename Result<RMA>::Type>::value, "temporary required"); static_assert(IsSame<RMB, typename Result<RMB>::Type>::value, "temporary required"); ASSERT(transB==NoTrans); # endif // // If _A or _B is a closure temporaries get created // FLENS_BLASLOG_TMP_TRON; const RMA &A = _A.impl(); const RMB &B = _B.impl(); FLENS_BLASLOG_TMP_TROFF; // // call (he)mm // # ifndef FLENS_DEBUG_CLOSURES mm(side, alpha, A.impl(), B.impl(), beta, C.impl()); # else // // if transB is not NoTrans we need another temporary // if (transB==NoTrans) { mm(side, alpha, A, B, beta, C.impl()); } else { typename RMB::NoView _B; FLENS_BLASLOG_TMP_ADD(_B); copy(transB, B, _B); mm(side, alpha, A, _B, beta, C.impl()); FLENS_BLASLOG_TMP_REMOVE(_B, B); } # endif # ifdef FLENS_DEBUG_CLOSURES if (!IsSame<RMA, typename Result<RMA>::Type>::value) { FLENS_BLASLOG_TMP_REMOVE(A, _A); } if (!IsSame<RMB, typename Result<RMB>::Type>::value) { FLENS_BLASLOG_TMP_REMOVE(B, _B); } # endif } template <typename ALPHA, typename MA, typename MB, typename BETA, typename MC> void mm(Transpose transA, Transpose transB, const ALPHA &alpha, const HermitianMatrix<MA> &A, const GeneralMatrix<MB> &B, const BETA &beta, Matrix<MC> &C) { ASSERT(transA==NoTrans || transA==Trans); hemm(Left, transB, alpha, A.impl(), B.impl(), beta, C.impl()); } template <typename ALPHA, typename MA, typename MB, typename BETA, typename MC> void mm(Transpose transA, Transpose transB, const ALPHA &alpha, const GeneralMatrix<MA> &A, const HermitianMatrix<MB> &B, const BETA &beta, Matrix<MC> &C) { ASSERT(transA==NoTrans || transA==Trans); hemm(Right, transB, alpha, B.impl(), A.impl(), beta, C.impl()); } //== Matrix - Matrix products ================================================== // // This gets called if everything else fails // #ifdef FLENS_DEBUG_CLOSURES template <typename ALPHA, typename MA, typename MB, typename BETA, typename MC> void mm(Transpose transA, Transpose transB, const ALPHA &alpha, const Matrix<MA> &A, const Matrix<MB> &B, const BETA &beta, Matrix<MC> &C) { FLENS_BLASLOG_BEGIN_GEMM(transA, transB, alpha, A.impl(), B.impl(), beta, C.impl()); // // We create temporaries of type GeMatrix for all matrices on the right // hand side. If A and B can be converted to GeMatrix types this at // least does the desired compuation. // typedef typename MA::Impl::ElementType TA; typedef typename MB::Impl::ElementType TB; typedef GeMatrix<FullStorage<TA, ColMajor> > RMA; typedef GeMatrix<FullStorage<TB, ColMajor> > RMB; FLENS_BLASLOG_TMP_TRON; const RMA &_A = A.impl(); const RMB &_B = B.impl(); FLENS_BLASLOG_TMP_TROFF; mm(transA, transB, alpha, _A, _B, beta, C.impl()); FLENS_BLASLOG_TMP_REMOVE(_A, A); FLENS_BLASLOG_TMP_REMOVE(_B, B); FLENS_BLASLOG_END; } #endif } } // namespace blas, flens #endif // FLENS_BLAS_CLOSURES_LEVEL3_MM_TCC |