> 2010/4/30 Jan Hubicka <hubi...@ucw.cz>: > >> Thanks for the suggestion. Raksit currently is busy with merging trunk > >> changes back to lw-ipo branch which can be a daunting task. After that > >> this can be done. (Our internal release is based on 4.4). > > > > I must say that LIPO is something I always intend to look into but didn't > > seriously find time for that yet (well, hoping that submitting the thesis > > will > > make this easier). > > What are the LIPO's features that are missing in -flto -fprofile-use? > > LIPO is a completely different approach, basically independent of LTO. > There is a good explanation of it on the wiki, see > http://gcc.gnu.org/wiki/LightweightIpo.
Yep, I read that page (and saw some of implementation too). Just was not able to follow the precise feature set of LIPO (i.e. if it gets better SPEC results than LTO+FDO then why) Honza > > Ciao! > Steven
