Date: Mon, 01 Oct 2007 09:14:57 -0400 From: Walter Vaughan <wvaughan@steelerubber.com> To: freebsd-current@freebsd.org Subject: Re: various rants about 7-currnet on AMD64 Message-ID: <4700F2D1.2050707@steelerubber.com> In-Reply-To: <bef9a7920709302204l14b345e7pf93b5b4823731b3a@mail.gmail.com> References: <bef9a7920709302022o5ce92382t4c21bfeb8f799a63@mail.gmail.com> <2fd864e0709302151s48adf33fwda3c908ae67b72ee@mail.gmail.com> <bef9a7920709302204l14b345e7pf93b5b4823731b3a@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
Aryeh Friedman wrote:
> I had tried PAE before the upgrade (see "what cpu type to use for a
> intel duo e6850 (i386 or amd64)" in -questions for detail)... I had
> also tried removing a DIMM... none resolved any issues.
In My Opinion, 4 Gig is EVIL for the x86 world. This is not a FreeBSD issue as
well. When I was breaking in an 8 core factory Intel box I saw same things you
saw. I then installed on it's redundant backup Ubunutu. Same problems. Double
the memory, FreeBSD way much happier, and Ubunutu happier as well.
Actually right now I am running FreeBSD AMD64-64, and Ubunutu AMD64 7.04 on the
other since they are in semi-production. Acutally we're running a vmplayer image
of Freebsd 6.2 i386 as a guest on the Ubuntu box as well.
Unless you have more than 4 gigs of memory, 64bit addressing is extra overhead,
so pulling memory just slows things down more.
So don't run more than 3 Gig if you want to run in 32 bit addressing mode.
don't run less than 5 Gig if you want to run in 64 bit addressing mode.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4700F2D1.2050707>