| [eigen] Eigen 3.1.0-alpha2 released with support for Intel MKL! |
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- To: eigen <eigen@xxxxxxxxxxxxxxxxxxx>
- Subject: [eigen] Eigen 3.1.0-alpha2 released with support for Intel MKL!
- From: Gael Guennebaud <gael.guennebaud@xxxxxxxxx>
- Date: Mon, 6 Feb 2012 18:14:49 +0100
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Hello,
Eigen 3.1.0-alpha2 has been released today.
The source archive is at:
http://bitbucket.org/eigen/eigen/get/3.1.0-alpha2.tar.bz2
The key novelty of this alpha release is the possibility to fallback
to Intel MKL [1] (or another external BLAS library) for a couple of
operations including matrix products (BLAS L2/L3), dense matrix
decompositions (LAPACKE), and math array operations (via the Intel
VML). These completely '''optional''' backends can be enabled through
some compile-time preprocessor directives as explained in the
respective manual page [2].
In the same vein, this version also brings support for the Intel MKL
PARDISO direct sparse solver.
Recall that [http://eigen.tuxfamily.org/Counter/redirect_to_mkl.php
Intel MKL] is '''proprietary''' software (see this notice [2]).
This new version also provides improved performance for small
matrix-matrix products, support for rank updates/downdates in LDLt and
LLT, a new fast sparse matrix assembly interface from a random list of
triplets, and many other minor improvements and fixes as detailed in
the changelog [3].
[1] Intel MKL - http://eigen.tuxfamily.org/Counter/redirect_to_mkl.php
[2] http://eigen.tuxfamily.org/dox-devel/TopicUsingIntelMKL.html
[3] http://http://eigen.tuxfamily.org/index.php?title=ChangeLog#Eigen_3.1.0-alpha2
best,
gael.