kernel settings with x86 hyperthreading

Matthew Miller mattdm at mattdm.org
Sun Dec 26 19:23:45 UTC 2004


On Sun, Dec 26, 2004 at 04:20:47PM +0100, Fabio wrote:
> My last question is about the hyperthreading itself: Do we really get 
> improvements by turning on that feature? The kernel has been written with 
> supported multiple CPU operations, so I think it would benefit from hyper., 
> but what about KDE, konqueror, kdevelop, qtdesigner and gcc (these are my 
> most used applications) ?

It's highly, highly load dependent. From what people tell me, with a normal
desktop workload, it's pretty good. For scientific computing ("keep the CPU
as busy as possible"), it's often not good at all.

-- 
Matthew Miller           mattdm at mattdm.org        <http://www.mattdm.org/>
Boston University Linux      ------>                <http://linux.bu.edu/>




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