Re: XCode 2.4 and 32/64-bit universal binaries
Re: XCode 2.4 and 32/64-bit universal binaries
- Subject: Re: XCode 2.4 and 32/64-bit universal binaries
- From: Herbie Robinson <email@hidden>
- Date: Mon, 21 Aug 2006 00:36:59 -0400
At 9:35 PM +0100 8/20/06, Ian Kemmish wrote:
Intel CPUs often seem to have bigger caches than other brands, so
for a single task, the difference in performance may by now be
imperceptible.
In the Intel case, the architecture is much better (16 registers, not
8) and from what I have heard the architecture more than makes up for
the extra caching. The ABI passes arguments in registers instead of
on the stack, too.
It actually makes performance sense to use the 64 bit instructions
with a 32 bit pointer data type. I'm a little surprised Apple didn't
(or did they -- I haven't looked at any assembly language).
--
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