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eb8f450071
Add an internal pseudo expression allowing to optimize operators like +=, *= using the copyCoeff stuff. This allows to easily enforce aligned load for the destination matrix everywhere.
57 lines
2.2 KiB
C++
57 lines
2.2 KiB
C++
// This file is part of Eigen, a lightweight C++ template library
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// for linear algebra.
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//
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// Copyright (C) 2009 Gael Guennebaud <g.gael@free.fr>
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//
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// Eigen is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 3 of the License, or (at your option) any later version.
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//
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// Alternatively, you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of
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// the License, or (at your option) any later version.
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//
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// Eigen is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License or the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License and a copy of the GNU General Public License along with
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// Eigen. If not, see <http://www.gnu.org/licenses/>.
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static int nb_load;
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static int nb_loadu;
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static int nb_store;
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static int nb_storeu;
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#define EIGEN_DEBUG_ALIGNED_LOAD { nb_load++; }
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#define EIGEN_DEBUG_UNALIGNED_LOAD { nb_loadu++; }
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#define EIGEN_DEBUG_ALIGNED_STORE { nb_store++; }
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#define EIGEN_DEBUG_UNALIGNED_STORE { nb_storeu++; }
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#define VERIFY_ALIGNED_UNALIGNED_COUNT(XPR,AL,UL,AS,US) {\
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nb_load = nb_loadu = nb_store = nb_storeu = 0; \
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XPR; \
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if(!(nb_load==AL && nb_loadu==UL && nb_store==AS && nb_storeu==US)) \
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std::cerr << " >> " << nb_load << ", " << nb_loadu << ", " << nb_store << ", " << nb_storeu << "\n"; \
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VERIFY( (#XPR) && nb_load==AL && nb_loadu==UL && nb_store==AS && nb_storeu==US ); \
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}
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#include "main.h"
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void test_unalignedcount()
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{
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#ifdef EIGEN_VECTORIZE_SSE
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VectorXf a(40), b(40);
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VERIFY_ALIGNED_UNALIGNED_COUNT(a += b, 20, 0, 10, 0);
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VERIFY_ALIGNED_UNALIGNED_COUNT(a.segment(0,40) += b.segment(0,40), 10, 10, 10, 0);
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VERIFY_ALIGNED_UNALIGNED_COUNT(a.segment(0,40) -= b.segment(0,40), 10, 10, 10, 0);
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VERIFY_ALIGNED_UNALIGNED_COUNT(a.segment(0,40) *= 3.5, 10, 0, 10, 0);
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VERIFY_ALIGNED_UNALIGNED_COUNT(a.segment(0,40) /= 3.5, 10, 0, 10, 0);
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#endif
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}
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