What are the chances of a phone based developer image

Vladimir Pantelic vladoman at gmail.com
Fri Aug 12 08:35:20 UTC 2011


Mike Hommey wrote:
> On Tue, Aug 09, 2011 at 07:32:51PM -0300, Christian Robottom Reis wrote:
>>  On Tue, Aug 09, 2011 at 03:08:53PM -0700, Taras Glek wrote:
>>  >  >You should definitely be trying to build using the Linaro 4.5 and 4.6
>>  >  >compiler branches; they are pretty much guaranteed to give you better
>>  >  >performance, and if they don't, we're on the hook to fix it quickly! All
>>  >  >the patches go upstream, so there is no risk of you being stuck on a
>>  >  >fork -- it just makes everything you need available right now.
>>  >  Mike, can you give these a try?
>>
>>  Also, the 4.5 branch is likely to perform better for a while; once 4.6
>>  has caught up 4.5 goes into stable mode.
>>
>>  If you are on a platform with NEON (i.e. not a Tegra2) experimenting
>>  with on -O3 and -mfpu=neon might get some interesting results as that
>>  enables the NEON auto-vectorizing Ira has been working on; given it's
>>  Mozilla, you might also get an ICE though ;-) Tell us how it goes.
>
> That's unfortunately not something that can work for us, except if we
> start distributing a different android build for NEON and non-NEON.

you should consider that. Otherwise you will penalize future devices
that will all have neon by forcing Tegra2 "legacy" support onto them.




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