Subject: Re: Hyperthreading?
To: None <firstname.lastname@example.org>
From: Peter Seebach <email@example.com>
Date: 09/18/2003 03:52:53
In message <005301c37dc2$13aabd70$0301a8c0@cactus>, "Eric Delcamp" writes:
>Hyperthreading <> MP. In HT, cores share the cache and the memory bus. That
>could lead to poor performance under a few applications. AFAIK, HT is supported
>in NetBSD, -current at least. And it's usefull if you compare the price of a HT
>processor and the GLOBAL power you gain.
Well, that's why I'm asking. Under Linux and BSD/OS, at least, hyperthreading
tends to appear as additional CPU's.