How to increase maximum user cpu usage allowed on a multi core system?

[stan]

On Tue, 10 Mar 2015 18:01:07 -0400 (EDT)
ergodic <gmml at embarqmail.com> wrote:

> Frankly I never check the loading, just use -j with no argument,
> but I always do other processes in parallel with no problem.

Then I think you must be having the same behavior as me.  Because, as
Ian found, if a compile grabs all the cpu resources, it is *noticeable*.