You need to include breeze-natives or netlib:all to load the native libraries. Check the log messages to ensure native libraries are used, especially on the worker nodes. The easiest way to use OpenBLAS is copying the shared library to /usr/lib/libblas.so.3 and /usr/lib/liblapack.so.3. -Xiangrui
On Sat, May 17, 2014 at 8:02 PM, wxhsdp <wxh...@gmail.com> wrote: > i think maybe it's related to m1.large, because i also tested on my laptop, > the two case cost nearly > the same amount of time. > > my laptop: > model name : Intel(R) Core(TM) i5-3380M CPU @ 2.90GHz > cpu MHz : 2893.549 > > os: > Linux ubuntu 3.11.0-12-generic #19-Ubuntu SMP Wed Oct 9 16:20:46 UTC 2013 > x86_64 x86_64 x86_64 GNU/Linux > > > > > -- > View this message in context: > http://apache-spark-user-list.1001560.n3.nabble.com/breeze-DGEMM-slow-in-spark-tp5950p5971.html > Sent from the Apache Spark User List mailing list archive at Nabble.com.
