buildbot status

Damjan Jovanovic damjan.jov at
Mon Aug 29 03:51:15 CDT 2011

2011/8/29 Dan Kegel <dank at>:
> 011/8/29 Frédéric Delanoy <frederic.delanoy at>:
>> On Mon, Aug 29, 2011 at 05:53, Dan Kegel <dank at> wrote:
>>> The buildbot now uses ccache, which sped up builds
>>> tremendously.  Cycle time of build slaves with ccache
>>> using is 10-11 minutes;
>> Told you ;) From 14 mins to 10-11 mins, nice 25% speed up
>> Although it may make things a bit slower in general for perfectly
>> working patches at first try (extra IO to fill in the cache).
>> However, if/once it's integrated with testbot, it should help even
>> more (especially on slow CPUs)
> Yes, first build is about a minute slower with ccache, but
> there are so many cache hits on later runs that it's well worth it.
> And slower CPUs totally love ccache; for the e8400, cycle
> time went from 17 minutes to 11 minutes.  (I'm looking
> forward to seeing how much it helps the celeron.)
> I've made two more changes that bring the cycle time down
> by 3 minutes, to 7-8 minutes on e8400/e9300/i7 slaves:
> 1) blacklist the slowest test, wininet/ftp, which took 1 minute all on its own
> 2) run the headless subset of tests in the background, in their own
> wineprefix, with DISPLAY unset.
> These tests don't need DISPLAY.  This saves another 2 minutes.
> I'd say 7-8 minutes is fast enough for now.  Being able to pump
> out a full build-and-test every 2-3 minutes from my little three-node
> cluster, with only 8 minutes latency, is pretty cool.
> - Dan

Also are you doing "./configure -C"? That could save you a few more minutes.


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