[x264-devel] Re: [Griffith Rees <griff.rees at gmail.com>] Re: Re: Problems compiling xubuntu ppc

[Brian Raymond]

I have a US PS3 and coincidentally I left the VLC dependencies  
compiling on it this morning, one of those being x264. I don't  
anticipate success but I'll share my x264 experiences since I am very  
interesting in seeing how it performs. Given that the PPE on the Cell  
isn't what gives it the power I don't imagine the performance will be  
that good without writing code for the SPEs. Thus far the PPE core  
has been a bit sluggish at most tasks but some of the simple code I  
wrote that runs on the SPEs does show the chip has some real power.

- Brian


On Jan 24, 2007, at 5:01 AM, Guillaume POIRIER wrote:

> Hi,
>
> On 1/24/07, Pedro Tumusok <pedro.tumusok at gmail.com> wrote:
>>
>> On 1/24/07, Guillaume POIRIER <poirierg at gmail.com> wrote:
>> > Hi,
>> >
>> > On 1/23/07, Guillaume POIRIER <poirierg at gmail.com> wrote:
>> >
>> >
>> > > Attached patch allows to go even further in compilation, so  
>> that you
>> > > should have this message instead:
>> > >
>> > > gcc -O4 -ffast-math  -Wall -I. -D__X264__ -DHAVE_MALLOC_H - 
>> maltivec
>> >
>> > [..]
>> >
>> > Attached patch fixes all compilation issues on Linux, and pass
>> > regression tests on both Linux and OSX. It needs to be applied  
>> on top
>> > of a current, clean svn checkout.
>> >
>> >
>>
>> I got a japanese PS3 running Gentoo, would it be of any use if  
>> tried to
>> compile x264 on it?
>> Or is the CELL PPE the same as a normal PPC when it comes to altivec?
>
> As far as I know, yes, CELL's PPE is just like a weak PPC CPU that
> supports Altivec.
>
> It should work, it should be interesting to see the performance, but
> don't count on me to invest some of my time to support it, at least,
> as long as I don't have the hardware.
>
> Guillaume
>
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