Thanks Anton! If I remember correctly, Vaclav was using clang to speed up compilation. Is it not in the positive sides? Did you measure anything?
Bruno On 24/09/12 20:29, Anton Gladky wrote: > Dear all, > > Yade can now be compiled by an alternative CLANG-compiler. About 2 > years ago we have tried already to do it [1], but at that time this compiler > was "young" and not enough good. > > Some of Debian-developers are working on a project of recompiling the > whole archive by this compiler [2]. > > Now you can try to use clang by setting up the environmental variables > before running cmake, like described in documentation [3]. > > export CC=/usr/bin/clang > export CXX=/usr/bin/clang++ > cmake ... > > Be sure, you have installed corresponding clang and LLVM packages installed > before you do it. > > The negative sides of clang regarding Yade: > 1) no OpenMP support. There are some starting projects, but still not > available working code. > 2) CGAL-feature is not compilable at the moment due to some errors > in CGAL-headers, found by clang (should be fixed soon, I hope). > > Positive sides: > 1) I have found some slight performance-increase in about 1..7% > 2) LLVM produces additional warnings and errors during compilation > process, so it should improve Yade's code quality. > > If you find it interesting and useful, feel free to try it. Be sure you have > the new versions of clang, llvm and boost. > > Cheers, > > Anton > > [1] http://www.mail-archive.com/[email protected]/msg05005.html > [2] http://www.phoronix.com/scan.php?page=news_item&px=MTA2NjQ > [3] https://yade-dem.org/doc/installation.html#compilation > > _______________________________________________ > Mailing list: https://launchpad.net/~yade-dev > Post to : [email protected] > Unsubscribe : https://launchpad.net/~yade-dev > More help : https://help.launchpad.net/ListHelp > -- _______________ Bruno Chareyre Associate Professor ENSE³ - Grenoble INP Lab. 3SR BP 53 38041 Grenoble cedex 9 Tél : +33 4 56 52 86 21 Fax : +33 4 76 82 70 43 ________________ _______________________________________________ Mailing list: https://launchpad.net/~yade-dev Post to : [email protected] Unsubscribe : https://launchpad.net/~yade-dev More help : https://help.launchpad.net/ListHelp
