On Saturday 07 November 2009 19:51:10 Philip Webb wrote: > Yes, it's very useful: thanks as usual. > > BTW I'm surprised how fast the little machine is compiling stuff: > it's faster than my 2003 machine & approaches my 2007 Core 2 Duo. > > Also, there's a reference in a Gentoo Wiki article to hyperthreading, > which advises to configure multiple processing into the kernel. > Is this correct ? Is it safe ? >
Be very careful with hyperthreading. It's one of those things that looked like a good idea at the time and didn't really work out in practice. There's a reason why so many CPUs these days are multi-core. I always advise to disable hyper-threading first unless it's proven to be beneficial. And the signal-to-noise ratio is gentoo-wiki is nowhere near as high as some folks think -- alan dot mckinnon at gmail dot com
