[PlanetCCRMA] 64bit vs 32bit

Henrik Frisk frisk.h at gmail.com
Sat Mar 13 05:39:37 PST 2010

On Sat, Mar 13, 2010 at 1:51 AM, Fernando Lopez-Lezcano <
nando at ccrma.stanford.edu> wrote:

> On Fri, 2010-03-12 at 22:48 +0100, Henrik Frisk wrote:
> > Hi,
> >
> >
> > I know this discussion has been held to some extent on this list and
> > quite frequently on the Fedora list, but I really need some advice
> > here. When I bought my new laptop (MacBook Pro 5,2) last summer I
> > installed FC11 x86_64 thinking that was the better choice. I'm not so
> > sure anymore and I'm thinking about 'downgrading' to 32 bit. The main
> > reason is there is software I like that doesn't come in a 64-bit
> > versions in addition to the fact that I can't seem to get the CCRMA RT
> > kernel running. Getting the RT kernel working is a priority for me
> > because I can't seem to get decent performance from the Fedora kernel
> > ( Constant troubles with flash/flex
> > and other proprietary software that I smoetimes depend on adds to the
> > frustration.
> >
> >
> > Any thoughts/suggestions? If I decide to reinstall, should I go for
> > FC11 or FC12 32-bit? Or, is FC12 64-bit "better" than FC11 (from what
> > I cant tell it is not, but I may be wrong here)?
> I'd install fc12 although I have not yet remade the planetccrma-apps
> meta package. Newer kernels mean better support for newer hardware, I
> don't know if that is the case with your macbook (there's going to be a
> 2.6.33 based rt package very very soon).
> At ccrma we still run 32 bit Fedora on all workstations...
> > My priority is to get a laptop that is stable and with low enough
> > latency to be useful in performance. I'm primarily working in Pd, Snd,
> > Ardour, Audacity and Chuck and I'm about to replace my Edirol US25 USB
> > interface with a RME Cardbus with a Multiface II.
> Well, pd is not yet there for 64 bits (the latest pd-extended official
> release, not the plain pd which I think may be happy in 64 bit envs).
> And chuck is still happy only in 32 bit land. It may be possible to
> install and run the 32 bit binaries in a 64 bit environment but I have
> not tried (and will not try :-)
> A recent test I read proved that a 64 bit (Linux) system has better
performance than a 32 bit (I'll dig it up if someones interested) but I'm
happy to swap that potential performance improvement for compatibility and

I have built my own version of Pd vanilla that works fine on my 64-bit
system but I've given up on Chuck.

I think I will go for FC12 32bit. Thanks for the input everyone!

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