[Interest] Enabling NEON on a Qt Android app
Nuno Santos
nunosantos at imaginando.pt
Fri May 6 10:27:18 CEST 2016
Thanks for your insight Thiago.
Regards,
Nuno
> On 06 May 2016, at 08:38, Thiago Macieira <thiago.macieira at intel.com> wrote:
>
> On sexta-feira, 6 de maio de 2016 07:58:30 PDT Nuno Santos wrote:
>> What are the necessary steps in order to enable NEON on a Arm processor that
>> supports it?
>
> Compile a plugin for Neon and a plugin for non-Neon. At runtime, determine
> which one to load, then call functions on it. Do not try to include files built
> with and without Neon support into the same binary if those sources are C++.
>
> I don't know Android API, but if you can't find a suitable function to tell you
> whether Neon is possible, you can always just read from /proc/cpuinfo or from
> /proc/self/auxv.
>
> --
> Thiago Macieira - thiago.macieira (AT) intel.com
> Software Architect - Intel Open Source Technology Center
>
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