On 09/14/2012 04:53 AM, Hamish wrote:
Hi,
fwiw, in general I'd suppose a special 64 bit build is not worth
the effort.
my main question is why is it needed?
for the minor performance boost from increased access to
registers? (erm, remember you're working over usb2 or cdrom ...)
or is anyone planning to use the live(demo)dvd with multigigabyte
datasets?
if not, what's the use except for bragging rights that this one
does 64bits?
I guess the main ones are people installing from the disk to a
hard drive to use as their everyday system, and >4gb RAM used as
disk cache is a nice place to be.
Anyway, there are many prebuilt wgets for 32 binaries, I'd
hope they'd all work on a 64bit system, but I can't guarantee
that all the needed shared libraries will still be there and
where they expect them to be. Probably we'd have to install all
the 32bit compatibility libraries too, which may be a bit of a
drain on the disc space.
2c,
Hamish
ps- java projects looking to make themselves into .debs might
have a look at JOSM. I can't speak to the quality of the packaging
or the approach, only that it is java, it is geospatial, and it
is in debian & ubuntu already.
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Hi,
As we discussed yesterday, a 64bit build would benefit only users that
install the disk into a hard drive. Almost all systems today are 64bit
and support >4GB RAM. So it would be nice to support those
installations, and I have seen a few around...
I agree that it is not worth the effort from the live disk perspective.
I suggest to make a test build at some point and see what works (the way
chroot method also started)
I also had in mind that bringing in 32bit compatibility packages would
kill us space-wise...
Cheers,
Angelos
--
Angelos Tzotsos
Remote Sensing Laboratory
National Technical University of Athens
http://users.ntua.gr/tzotsos
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