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Re: Upgrade to 64-bit F10



On Wed, Nov 19, 2008 at 02:55:37PM -0800, Wolfgang S. Rupprecht wrote:
> 
> Dave Feustel <dfeustel mindspring com> writes:
> > I have been running 64-bit OpenBSD, FreeBSD, and SUSE 11 for a while
> > now. I expect that I will have no more problems with 64-bit F10 than
> > I've had with the other 64-bit systems (which is to say, essentially
> > none except for Maxima(caused by CLISP not working in 64-bit mode), so I
> > am eager to take advantage of the extra (and bigger) registers available
> > in 64-bit F10.
> 
> I switched to fc4/64-bit (I think) from netbsd/64-bit and
> openbsd/64-bit for the better apm support on the laptop, but I didn't
> notice any great changes in how userland behaved.  The BSD's seemed to
> handle large address space programs a bit better when they started
> swapping, but it wasn't enough of a problem to force me back.  We are
> talking about a program with a 13 gig working set and 4 gigs dram, but
> with very good locality of reference.
> 
> I'm surprised that clisp hasn't been hacked to run on Linux/64-bit.
> Back when I cared about such things folks were always drooling over
> large sparse address spaces and how it was going to help all sorts of
> aspects of creating lisp objects.  I'm surprised to see that now that
> it is available nobody seems to care enough to actually make the code
> work.

64-bit CLISP works on some platforms. Last I checked, OpenBSD did not
have 64-bit CLISP. I think I remember that FreeBSD and SUSE11 do.
I think to some degree it's a question of manpower and other resources.


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