Re: AMD64
- From: Danny Pansters <danny@xxxxxxxxx>
- Date: Wed, 18 Apr 2007 23:03:19 +0200
On Wednesday 18 April 2007 21:30:14 Michael S wrote:
Good day all.
I am getting my (first) Athlon 64 x 2 today or
tomorrow and was wondering whether I should stick with
the reliable x86 or try the AMD64 port.
I'd try it but ...
Any performance penalties when running x86 FreeBSD on
a 64-bit machine?
... for some things it may ...
Also what are the common problems, i.e. drivers,
applications that are known not to work under the
AMD64. This is going to be a desktop/workstation type
system.
... there are quite a few 3rd party things that don't work or that need kludgy
32bits emulation. Flash comes to mind, also (MS/Real/..) media codecs. All
the stuff we love to hate.
Most importantly though, you can't use nvidia driver (32bit). I have a spare
amd64 box with a nvidia based board (ASUS SLI something with the graphics
card in a PCI Express slot, gforce4 IIRC) and I found I could only use plain
(xorg) nv driver, and had to disable any hardware acceleration. Else it would
just reboot randomly. I only use this machine to test kbtv on amd64. Moving
the TV window around or resizing it is painfully slow (the video itself is OK
but it eats a lot more CPU with non accelerated x rendering, up to 10%).
Needless to say the machine is turned off most of the time...
So I think what matters is whether these things matter to you :) I don't think
the base system is any faster or slower. But it depends on what you're going
to use it for.
HTH,
Dan
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