Parallel builds of IcedTea/OpenJDK

[Dennis Gilmore]

On Monday 14 April 2008, Andrew Haley wrote:
> Joshua Sumali wrote:
> > Andrew John Hughes wrote:
> >> The attach patch allows the ALT_PARALLEL_COMPILE_JOBS and
> >> HOTSPOT_BUILD_JOBS options to be turned on for an IcedTea build using
> >> --with-parallel-jobs=x where x is the number of jobs to use.  This
> >> speeds up the build quite a bit on systems with more than one
> >> processor.
> >>
> >> I've tested a full bootstrap with this.  Okay to commit?
> >
> > Out of curiosity, what's a good number to use for x? I have a dual core
> > machine at home, if that helps.
>
> Rule of thumb:
>
> If running over NFS, cores *2.
> If running locally, cores +1.
>
> Andrew.
how well will it work at 32 threads?


Dennis