On Mon, 2005-09-26 at 10:37 +0100, michael wrote: > On Mon, 2005-09-26 at 10:03 +0100, Dick Davies wrote: > > On 25 Sep 2005 23:23:48 -0700, James He <[EMAIL PROTECTED]> wrote: > > > > > Should one CPU(Hyper-Threading) machine use SMP kernel, or stick to a > > > regular kernel? > > > > Yup, use SMP. I get 2 cpus in cpuinfo that way (although top doesn't > > see them for > > some reason). > > Whereas, if it does support HT, I'd say it depends on what you're using > the machine for, which kernel you've got... > > eg disable HT if it's a 2.4 kernel and you want to run MPI since the > scheduler doesn't seem up to the job (and it'll go slower on 2 processes > with HT on than on one with HT off)
let me clarify that: with 2 processors I've found the above effect for HT on/off and I extended it to 1 processor but I have not tested this myself -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
