Or try 'htop' for a more explicit view of what each processor load is.

Sean


On 13 March 2012 19:36, Brian G. Peterson <brian@braverock.com> wrote:

> On Tue, 2012-03-13 at 15:05 -0400, Paul Gilbert wrote:
> > (I have a long history of getting things that should 'just work' to
> > 'just not work'.) But I didn't really state my question very well. I'm
> > really wondering about two related situations. How can I confirm after
> > a change to underlying system that R is using the new configuration,
> > and second, if I am  running benchmarks in R is there an easy way to
> > record the underlying configuration that is being used.
>
> I usually use 'top' in another 'screen' window.  In the case of
> explicity parallelization, you'll see more R processes.  In the case of
> implicit parallelization, you'll see (at least) the CPU utilization go
> up to or over 100% on the single R process (and up to 100% on each
> individual core) while the calculation happens.
>
> Good luck,
>
>   - Brian
> >
> --
> Brian G. Peterson
> http://braverock.com/brian/
> Ph: 773-459-4973
> IM: bgpbraverock
>
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