Eigen paralelization: Difference between revisions
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General Eigen parallelism: https://eigen.tuxfamily.org/dox/TopicMultiThreading.html | General Eigen parallelism: https://eigen.tuxfamily.org/dox/TopicMultiThreading.html | ||
Eigen uses number of threads specified my | Eigen uses number of threads specified my OpenMP, unless <code>Eigen::setNbThreads(n);</code> was called. | ||
Exectuion on PC with 4 cores and 8 hyperthreads: | |||
[[File:speedups_Ax.png|800px]] | |||
[[File:l2hit.png|800px]] | |||
[[File:l3hit.png|800px]] | |||
Execution on Intel CPU E5-2620: | |||
[[File:speedups_phi.png|800px]] | |||
[[File:l2hit_phi.png|800px]] | |||
[[File:l3hit_phi.png|800px]] | |||
Latest revision as of 10:20, 28 March 2017
General Eigen parallelism: https://eigen.tuxfamily.org/dox/TopicMultiThreading.html
Eigen uses number of threads specified my OpenMP, unless Eigen::setNbThreads(n); was called.
Exectuion on PC with 4 cores and 8 hyperthreads:
Execution on Intel CPU E5-2620:
