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2 Copyright (c) 2011, Intel Corporation. All rights reserved.
13 * Neither the name of Intel Corporation nor the names of its contributors may
29 * Content : Documentation on the use of Intel MKL through Eigen
35 /** \page TopicUsingIntelMKL Using Intel® Math Kernel Library from Eigen
37 \section TopicUsingIntelMKL_Intro Eigen and Intel® Math Kernel Library (Intel® MKL)
39 Since Eigen version 3.1 and later, users can benefit from built-in Intel MKL optimizations with an installed copy of Intel MKL 10.3 (or later).
40 <a href="http://eigen.tuxfamily.org/Counter/redirect_to_mkl.php"> Intel MKL </a> provides highly optimized multi-threaded mathematical routines for x86-compatible architectures.
41 Intel MKL is available on Linux, Mac and Windows for both Intel64 and IA32 architectures.
43 \warning Be aware that Intel® MKL is a proprietary software. It is the responsibility of the users to buy MKL licenses for their products. Moreover, the license of the user product has to allow linking to proprietary software that excludes any unmodified versions of the GPL.
45 Using Intel MKL through Eigen is easy:
47 -# link your program to MKL libraries (see the <a href="http://software.intel.com/en-us/articles/intel-mkl-link-line-advisor/">MKL linking advisor</a>)
50 When doing so, a number of Eigen's algorithms are silently substituted with calls to Intel MKL routines.
57 <tr><td>\c EIGEN_USE_BLAS </td><td>Enables the use of external BLAS level 2 and 3 routines (currently works with Intel MKL only)</td></tr>
58 <tr class="alt"><td>\c EIGEN_USE_LAPACKE </td><td>Enables the use of external Lapack routines via the <a href="http://www.netlib.org/lapack/lapacke.html">Intel Lapacke</a> C interface to Lapack (currently works with Intel MKL only)</td></tr>
60 <tr class="alt"><td>\c EIGEN_USE_MKL_VML </td><td>Enables the use of Intel VML (vector operations)</td></tr>
64 Finally, the PARDISO sparse solver shipped with Intel MKL can be used through the \ref PardisoLU, \ref PardisoLLT and \ref PardisoLDLT classes of the \ref PardisoSupport_Module.
69 The breadth of Eigen functionality covered by Intel MKL is listed in the table below.
162 - Intel MKL can be purchased and downloaded <a href="http://eigen.tuxfamily.org/Counter/redirect_to_mkl.php">here</a>.
163 - Intel MKL is also bundled with <a href="http://software.intel.com/en-us/articles/intel-composer-xe/">Intel Composer XE</a>.
