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Re: armel v4t vs v5

+++ Martin Guy [2012-04-18 14:30 +0200]:
> On 17 April 2012 18:36, Wookey <wookey@wookware.org> wrote:
> > debian armel is currently
> > built for v4t but is likely to move forward to v5 at some point.
> -1 as we have and others have products that are arm4vt and that ship
> with Debian as its standard system. 

It'll still be v4t for wheezy. We'll review it again for the next
release. It'll stay v4t whilst there are still a significant number of
users. What chips are you using that are v4t? I know openmoko is and
that's one group we've been considering so far.

> How big is the speed advantage for
> v5 users when optimizing for v5 instead of v4t? Enough to warrant the
> exclusion of our v4t parts?

I just asked and the answer seems to be 'some, but not much'. There
are a few more useful instructions which should amount to a few
percent speed improvement, but the gains are not exciting, which does
suggest leaving it at v4t until really no-one cares anymore. 

Principal hats:  Linaro, Emdebian, Wookware, Balloonboard, ARM

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