Loïc Minier a écrit : > On Fri, Jul 16, 2010, Konstantinos Margaritis wrote: >> softfp: > > I wonder what you built with softfp exactly? Did you rebuild > libc6, libpng12-0 for instance? Not that I expect that most of the > time is spent in libpng12-0, but still. > > As I understand it, we have these options: > - keep Debian armel as is, add a new armhf hard-float port > - keep Debian armel as is, and provide an archive of Debian armel+vfp > rebuilt with softfp > - keep Debian armel as is, and change a dozen of libs to provide a VFP > version (softfp) > > One way to check how well softfp performs would be to run povray in > Ubuntu versus in Debian; this will mix noise in the results, but I > don't expect the minor sourceful differences to make the biggest > impact, but rather the toolchain opts would. (You're speaking of a > 3-folds increase.) > > archive dist toolchain defaults > ------- ---- ------------------ > Debian armel sid, squeeze armv4t + soft > freevec.org karmic armv6 + hardfp > Ubuntu armel karmic armv6 + softfp > Ubuntu armel jaunty armv5t + soft > Ubuntu armel lucid armv7t2 + softfp > > Would be nice to know against which userspace you ran your povray > "softfp". > > I think povray is a nice example of a random package where we wouldn't > put the effort to create a vfp pass, and where there's no lib, so it > might indeed be a good example of a hardfp candidate. >
OTOH, I am not sure povray is the most use software on ARM... -- Aurelien Jarno GPG: 1024D/F1BCDB73 [email protected] http://www.aurel32.net -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: http://lists.debian.org/[email protected]
