> If we see cruise control as a helpful tool to automate our testing (on
> multiple platforms) rather than a strict babysitter looking for any
> reason
> to shame and punish us, then I'll definitely agree with Ross here.
Agreed - I think we should all see it as this. Note though that a little bit
of shame is a good thing as long as people are thick enough skinned and
don't take it personally. Indeed this is a good defense mechanism to learn
in science since a thick skin is needed when reading the reviews of ones
grant proposals.
It catalyzes people to fix things. We now have GCC 4.1 working again for
example. :-)
> As an aside, we need some kind of mechanism, IMO, to guard against a
> hung
> program on cruise control. What happens if there's some kind of race
> condition that leads to threads waiting at some barrier that will never
> be
> answered? I can attest that this is very easy to accomplish using MPI.
I need to look at what Cruise Control actually does here. It is pretty easy
to accomplish. We just have to set a global maximum user time per process
for the cruisecontrol user. If a job runs for longer than this it gets
killed. I am sure there must be a module / mechanism for CruiseControl to
handle this though. I guess we'll find out when we run into it.
All the best
Ross
/\
\/
|\oss Walker
---------------------------------------------------------
| Assistant Research Professor |
| San Diego Supercomputer Center |
| Adjunct Assistant Professor |
| Dept. of Chemistry and Biochemistry |
| University of California San Diego |
| NVIDIA Fellow |
|
http://www.rosswalker.co.uk |
http://www.wmd-lab.org/ |
| Tel: +1 858 822 0854 | EMail:- ross.rosswalker.co.uk |
---------------------------------------------------------
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Received on Sat Nov 12 2011 - 15:30:03 PST
