James Knott wrote:
Linda Walsh wrote:
I have an Intel cpu / 64-bit extensions on a machine with 4G of
memory.
Just want some confirmation (or not)...it seems like i386 would
currently be my best choice: all memory is accessible, no program I am
running needs >2G addr space, 32-bit programs execute faster and
will likely be smaller than the equivalent 64-bit programs (and
libraries).
As long as I have under 4G mem (and my apps need <2-3G), I see only
"downsides" to moving to the x86-64 version. Am I missing
something or is this pretty much the "consensus view" (assuming
there is one :-)).
What downsides are you referring to? The only one I'm aware of is 32
bit only plugins for browsers and that can be fixed by installing a 32
bit browser.
Cool! Lack of consensus. :-)
Hmmm...
How difficult is it to run 32bit programs? Don't you have
to install separate directories to store the libraries?
I thought 64-bit programs were a bit larger?
I guess the speed differences between 32 & 64 are alot more
mixed than I thought. It's hard to run good benchmarks.
Maybe I should have been more neutral in my comment and ask
what would be benefits of running 64bit vs. 32? :-)
This is assuming 4GB memory, not alot of floating point,
no programs need more than 2GB...maybe I should install
x86_64 -- I've been happy with the 32bit linux and its
performance, but I suppose it could be even faster....:-)
-linda
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