Stefan Behnel, 07.07.2011 09:29:
Vitja Makarov, 07.07.2011 08:54:
2011/7/7 Stefan Behnel
Vitja Makarov, 07.07.2011 08:32:
2011/7/7 Stefan Behnel
Robert Bradshaw, 06.07.2011 21:32:
We should get ccache on sage.math to start using it on hudson.
It's just a single binary when installed. I have a copy in my
~/ccache/bin.
Changing the Jenkins jobs now.
Is that already used?
Actually, no. I noticed that it would a) require changes to all test jobs,
and b) prevent us from getting clean test runs. I prefer a safe and clean
run over a fast one.
a) you can set CYTHON_RUNTESTS_CCACHE globaly somewhere inside ~/.profile
;) I actually set it globally in Jenkins. However, that doesn't
automatically remove the "rm -fr *" in the job configs - I initially
thought that would be a problem, but, apparently, it isn't.
Also, the test runner clears the target directory on startup. I wonder
where you got your numbers from...
By default ccache stores object files inside ~/.ccache directory
Hmm, I guess changing that directory into a job local directory would still
require changing each job... Are there any concurrency issues with ccache?
Anyway, I can't see a .ccache in my home directory, but if that's how it
works, it should at least be properly enabled now.
Clearly makes a difference.
https://sage.math.washington.edu:8091/hudson/job/cython-devel-tests-py27-c/buildTimeTrend
The .ccache directory is also there now, size is ~750M. I'll move it to the
local scratch disc, CCACHE_DIR should do that. Does it make sense to delete
it once a week, or should that be done more often?
Stefan
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