On Sun, 1 Apr 2012 17:57:31 -0600 (MDT) Warren Block <wbl...@wonkity.com> wrote:
> On Sun, 1 Apr 2012, Conrad J. Sabatier wrote: > > > On Sun, 1 Apr 2012 14:11:29 -0500 > > "Conrad J. Sabatier" <conr...@cox.net> wrote: > > > >> On Sun, 1 Apr 2012 12:29:45 -0600 (MDT) > >> Warren Block <wbl...@wonkity.com> wrote: > >>> > >>> Have you tried clang with ccache? Any tricks? > >> > >> No, I haven't tried that. Actually, I don't believe I've ever even > >> tried using ccache at all (at least, not that I can recall). :-) > >> > > > > You've piqued my curiosity here. :-) > > > > I'm doing a buildworld at the moment using ccache with clang. So > > far, all is well, no problems. Didn't do anything special to get > > started, just "ccache make -DNO_CLEAN -j8 buildworld" (I have all > > that clang-enabling stuff already in /etc/make.conf). I know this > > first run won't really show me much, other than that it *will* > > compile OK. Subsequent runs should be interesting, though. :-) > > A few tests earlier today showed that with everything in cache, it > took about 1.5 to 2 times as long to build with clang versus gcc > 4.2.1. It was faster with a full cache than without, of course: > clang took 38 minutes with nothing in cache, about 12 minutes with > everything cached, and gcc buildworlds have been as fast as six > minutes. A gcc all-cached test I just tried was 7:47. > > For some reason, buildworlds on this Core I5 are much faster when > running powerd -a hadp than without. And somewhat variable. Well, unfortunately, I'm unable to do a successful buildworld at the moment, with or without ccache, so the results are still up in the air on that. :-) Will keep trying, though. I *hate* when this happens! :-) -- Conrad J. Sabatier conr...@cox.net _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"