[x264-devel] Re: OSX Intel breakage..

[Andrea Gianarro]

On 10/3/06, Tim Greatrex <tim.greatrex at mac.com> wrote:
> Not sure if this is right at all, as im not too hot on this kinda
> stuff and havent really looked, but do the intel macs feature the
> intel instruction set as well as the altivec for apple? (thought i
> read something about them featuring altivec somewhere)
>
> if so then it may be trying to encode with both optimisations in x264?
>
> Probably not tho :#)
>
> Tim

The Intel macs feature the Intel instruction set up to SSE3. They can
run Altivec instructions in PPC binaries through the Rosetta emulation
layer. In addition Apple recommends to use the Accelerate Framework, a
set of libraries vector-accelerated and optimized for both Intel and
PPC (MMX, SSE, Altivec).

Andrea Gianarro

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