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Re: [Discuss-gnuradio] PlayStation 3

From: Eric Blossom
Subject: Re: [Discuss-gnuradio] PlayStation 3
Date: Tue, 16 Jan 2007 08:10:36 -0800
User-agent: Mutt/1.5.9i

On Tue, Jan 16, 2007 at 08:22:06AM -0500, Jason wrote:
> Eric A. Cottrell wrote:
> >Hello,
> >
> >So has anyone got their PS3 yet?  A store claims to have the 60 gb model
> >a not too far distance away and I am tempted.  But I do not want to be
> >first on the block to get one.
> I picked up a PS3 a few weeks ago, and just got Gentoo booting on it 
> (60GB version).  Out of the box, I think I set the CFLAGS wrong because 
> the new stuff I've compiled is 32bit.  I've built the cross toolchain 
> for the SPU's and successfully ran a test program or two.
> Be mindful, as Eric said, compiles are slow.  The CellBE drastically 
> dropped cost and heat by not efficiently handling out-of-order code.  I 
> don't have the link handy, but the IBM CellBE development center has a 
> PDF intro to coding for the Cell which shows how to handle if;then;else 
> statements in an efficient manner.  Anything not coded that way will be 
> horribly inefficient.  Hence, the long compile times on a dual core, 
> 3.2GHz processor.  :(

Regarding slow compilation, without measuring, I'd guess:

 (1) not enough memory for compiler footprint
 (2) slow drive

Also, it's not really a dual-core machine.  More like hyper-threaded.


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