Re: [FC6] i386 or x86_64?

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On Mon, 2006-10-16 at 15:11 +0200, Gilboa Davara wrote:
> On Mon, 2006-10-16 at 13:31 +0100, James Wilkinson wrote:
> > Gilboa Davara wrote:
> > > and 64bit P4/Xeon will suck badly in 64bit mode.
> > 
> > Worse than in 32 bit mode? Interesting. Do you have any figures to back
> > that up?
> > 
> > Thanks,
> > 
> > James.
> 
> The P4/Netburst family is not known for being a very efficient core to
> begin with - adding the EM64T (or as I like to call it, iAMD64) hack to
> the Prescott (PresHot) and the Nocona cores didn't really improve things
> either.
> 
> I assume that finding benchmarks on the Internet about P4 vs AMD64 in
> 64bit shouldn't be too hard to find.
> Either way, I tested my own software on a number of cores ranging from
> Opterons, P4 Xeons, Woodcrest Xeons (Core2), and the only CPU to show a
> massive performance drop was the P4.
> 
> Never the less, as I said, YMMV.
> 
> - Gilboa

FYI, the latest mplayer cvs should include experimental support for
newer WMPs. Hopefully, hopefully reversed engineered codecs coupled with
gnash (open source flash player/plug-in), will reduce the need for 32bit
applications.

- Gilboa


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