Date: Fri, 7 Apr 2006 14:22:54 -0700 From: John-Mark Gurney <gurney_j@resnet.uoregon.edu> To: freebsd-amd64@FreeBSD.ORG Subject: Re: extreme mem usage under amd64 arch ? Message-ID: <20060407212254.GE72485@funkthat.com> In-Reply-To: <200604072116.k37LGQhQ071637@lurza.secnetix.de> References: <20060407172618.GC72485@funkthat.com> <200604072116.k37LGQhQ071637@lurza.secnetix.de>
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Oliver Fromme wrote this message on Fri, Apr 07, 2006 at 23:16 +0200:
> John-Mark Gurney <gurney_j@resnet.uoregon.edu> wrote:
> > Astrodog wrote this message on Fri, Apr 07, 2006 at 21:28 +0800:
> > > and pointer, you use 4 Bytes. On a 64-bit processor, all ints, and
> > > pointers take up 64-bits of memory. So, for every int and pointer, you
> > > use 8 bytes. (Assuming its a 64-bit app, of course) That means
> >
> > Not quite... FreeBSD/amd64 like all? the other arches are LP64...
> > that means longs and pointers are 64bits, while ints remain at 32bits...
>
> I think longs are 32 bits on /i386, and 64 bits on /amd64
> (On /i386, "long longs" are 64 bits.)
Sorry, I ment to write like all the other 64bit arches....
^^^^^
since i386 isn't 32bit, it isn't LP64, the same way arm or powerpc
isn't LP64...
--
John-Mark Gurney Voice: +1 415 225 5579
"All that I will do, has been done, All that I have, has not."
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