On 05/17/2012 06:19 AM, Matthew Garrett wrote:
On Thu, May 17, 2012 at 12:28:29AM +0200, Xose Vazquez Perez wrote:
x32 makes intel be faster Atom Z2460 [1]
I can't find any x86_64/ia32/x32 benchmarks in that article? Regardless,
I'd agree that x32 is potentially useful on heavily resource-constrained
interactive devices like phones. The quesiton is whether it's useful for
any of the platforms that Fedora targets. Virtualisation is something I
hadn't considered and it may be that there are benefits there, but I'd
still appreciate some real figures before encouraging people to spend
time on it.
see:
"x32 - a native 32-bit ABI for x86-64", by H. Peter Anvin.
A work-in-progress new ABI for x86 combines the memory footprint of a
32-bit process with the enhanced capabilities of the x86-64 ISA.
<http://www.linuxplumbersconf.org/2011/ocw/system/presentations/531/original/x32-LPC-2011-0906.pptx>
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