On Thursday 20 November 2008 09:00:50 am Andrew Haley wrote: > Andrew Overholt wrote: > > * Andrew Haley <aph@xxxxxxxxxx> [2008-11-20 11:33]: > >> Andrew Overholt wrote: > >>> Back when we wrote the initial Java packaging guidelines, we said that > >>> packagers *should* include GCJ AOT bits. Should we remove this > >>> requirement for Fedora 11 and beyond? > >>> > >>> Also, GCJ is still in the base install set for Fedora. Should we > >>> remove this and make OpenJDK a default? > >> > >> This is a bit premature. We still don't have the OpenJDK JIT for PPC > >> and ARM arches. We're working hard on it but it's not ready yet for > >> prime-time. Without the JIT, OpenJDK is crushingly slow on these arches. > > > > Should Smolt stats on architecture users affect this decision? It says > > about 0.7% of users are on platforms without OpenJDK JITs. > > > > http://smolts.org/static/stats/stats.html > > I was hoping to be able to keep all arches going with gcj until a > really first-rate OpenJDK solution was available everywhere. I don't > think we want to make the useers of these arches into second- class > citizens: Fedora ARM, in particular, is great for mobile devices and > hasn't been supported for very long. I think its usage will increase. > > Sure, the number of users is low, but on lower-performance boxes the > penalty of not having gcj and gcj-compiled packages available is quite > severe. I wouldn't object to weakening the "should" to a "may" where > aot-compiling is a problem. Even without precompiled applications, > gcj is still a lot faster than the OpenJDK C++ interpreter. > > Andrew. I'm also for keeping gcj (for now). OpenJDK is great where it JITs but it's miserable on PPC (e.g. my laptop). I think the guidelines could say something about "if you run into a problem with a non trivial fix compiling gcj AOT bits, it's ok to drop the aot bits". Regards, -- Conrad Meyer <konrad@xxxxxxxxxx> -- fedora-devel-java-list mailing list fedora-devel-java-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-java-list
