On Thu, Mar 4, 2010 at 2:03 PM, Dan Horák <dan@xxxxxxxx> wrote: > Dennis Gilmore píše v Čt 04. 03. 2010 v 13:49 -0600: >> On Thursday 04 March 2010 01:26:07 pm Chris Tyler wrote: >> > On Thu, 2010-03-04 at 12:04 -0600, Adam Miller wrote: >> > > RAM is a really good point, I think it will be in the ballpark of 256 >> > > (plus or minus a bit). Also, I'd like to open up the conversation >> > > about version of ARM we as a SIG want to support as the efforts start >> > > to ramp up while targeting popular devices. I think ARMv9 might be a >> > > little too aggressive but are there any devices that are still >> > > prominent that are ARMv5? Would it be possible (or even feasible) to >> > > maintain ARMv5, ARMv7, and ARMv9 in parallel and treat them as >> > > separate architectures? >> > >> > The ARM "Family" vs. "Architecture" numbering is wonky (and very >> > frustrating - larger numbers don't reliably mean newer, bigger, faster, >> > or better). The SheevaPlug uses an "ARM9E" family chip, which uses the >> > "ARMv5TEJ" architecture. ARMv5 is a needed current target for that >> > device and others. >> > >> > However, the popular Cortex chips use ARMv6M and ARMx7* architecture. Is >> > there enough performance difference to warrant targeting both >> > independently? And just the kernel, or userspace as well? >> >> I suspect building different optimised glibc andl openssl might be enough. >> there could be some other packages that could benefit from different >> optimisations things like theora etc. > > That's also my opinion. > > > Dan > > > _______________________________________________ > arm mailing list > arm@xxxxxxxxxxxxxxxxxxxxxxx > https://admin.fedoraproject.org/mailman/listinfo/arm This really might be my ignorance in the ARM world shining, but a big point I would worry about would be power management support that I assume would matter on the versions as they are SOC. But at the same time I don't even know that has to do with the software. Anyone have any insight into this? -AdamM -- http://maxamillion.googlepages.com --------------------------------------------------------- () ascii ribbon campaign - against html e-mail /\ www.asciiribbon.org - against proprietary attachments _______________________________________________ arm mailing list arm@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/arm
