On 2017.10.11 at 08:22 +0200, Paulo Matos wrote:
> 
> 
> On 11/10/17 06:17, Markus Trippelsdorf wrote:
> > On 2017.10.10 at 21:45 +0200, Paulo Matos wrote:
> >> Hi all,
> >>
> >> It's almost 3 weeks since I last posted on GCC Buildbot. Here's an update:
> >>
> >> * 3 x86_64 workers from CF are now installed;
> >> * There's one scheduler for trunk doing fresh builds for every Daily bump;
> >> * One scheduler doing incremental builds for each active branch;
> >> * An IRC bot which is currently silent;
> > 
> > Using -j8 for the bot on a 8/16 (core/thread) machine like gcc67 is not
> > acceptable, because it will render it unusable for everybody else.
> 
> I was going to correct you on that given what I read in
> https://gcc.gnu.org/wiki/CompileFarm#Usage
> 
> but it was my mistake. I assumed that for an N-thread machine, I could
> use N/2 processes but the guide explicitly says N-core, not N-thread.
> Therefore I should be using 4 processes for gcc67 (or 0 given what follows).
> 
> I will fix also the number of processes used by the other workers.

Thanks. And while you are at it please set the niceness to 19.

> > Also gcc67 has a buggy Ryzen CPU that causes random gcc crashes. Not the
> > best setup for a regression tester...
> > 
> 
> Is that documented anywhere? I will remove this worker.

https://community.amd.com/thread/215773

-- 
Markus

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