On Mon, Mar 26, 2018 at 3:56 PM, Jonathan Wakely via cfarm-users <cfarm-users@lists.tetaneutral.net> wrote: > I can't remember ever using gcc112 when it wasn't running several jobs > for "peko", all run without nice. > > Please remember these are shared machines, and running jobs > back-to-back all day, every day doesn't seem necessary.
Unfortunately, nice buys you close to nothing on machines with multiple virtual threads per core (Hyper Threading or SMT), and the POWER machines are heavily multi-threaded. So the only good remedy is to start fewer simultaneous jobs than there are physical cores in a machine. _______________________________________________ cfarm-users mailing list cfarm-users@lists.tetaneutral.net https://lists.tetaneutral.net/listinfo/cfarm-users
