[R-sig-Debian] R and multi cpu ATLAS

Andrew Piskorski atp at piskorski.com
Thu Jun 3 03:15:49 CEST 2010

On Wed, Jun 02, 2010 at 01:27:48PM -0700, Jonathan Greenberg wrote:

> but it is APPEARING to only install a single threaded version of
> ATLAS.  Running the test:

I'd install the Ubuntu "libatlas-test" package.  It comes with a
lengthy list of command line programs for running specific Atlas speed
tests without/before you get R involved, e.g.:


I have not used it much and don't know exactly how to interpret the
output, but at the very least you can run top while a test is going
and see how many cpu cores it's using.

Andrew Piskorski <atp at piskorski.com>

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