[plug] "Hyper-Threading, suffers from a serious security flaw,"

[Craig Ringer]

On Sat, 2005-05-14 at 22:50 +0800, Chris Watt wrote:
> I thought the Xeon was a RISC processor (like the macinbtosh PowerPC)
> which would mean it wouldn't need HT.

It's x86. Xeon is basically a P4 with more cache (sometimes waaay more
cache) in a different form factor.

> > I've never seen a Xeon with HT..

I have two Xeons with HT.

> > I couldn't image anyone taking HT seriously for a server purpose...

Why not? For multi-user loads, it makes quite a significant difference
to responsiveness, especially on servers with significant batch loads as
well.

-- 
Craig Ringer