On Wed, Jul 6, 2011 at 11:54 PM, Vitja Makarov <vitja.maka...@gmail.com> wrote: > > > 2011/7/7 Stefan Behnel <stefan...@behnel.de> >> >> 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 think you can set global hudson environment variables as well, which would probably be preferable. >> Also, the test runner clears the target directory on startup. This isn't an issue, if it can, it just copies the .so files from the cache (with new timestamps). >> I wonder >> where you got your numbers from... > > By default ccache stores object files inside ~/.ccache directory, how it > works: > 1. It runs preprocessor (cpp), then adds compiler version, compilation flags > and so on. > 2. Calculates checksum (md5? I don't know) > 3. Check if it's already in the cache, no compilation is required > http://ccache.samba.org/ > So I think that would be safe to use ccache here. Yes, ccache should be totally safe here, unless it's fundamentally broken. - Robert _______________________________________________ cython-devel mailing list cython-devel@python.org http://mail.python.org/mailman/listinfo/cython-devel