[Ukfreebsd] Disabling hyperthreading on Intel CPUs

Mark Blackman mark at exonetric.com
Wed Jan 26 09:38:03 GMT 2011


On Wed, 26 Jan 2011 09:33:12 -0000, andy thomas <andy at time-domain.co.uk>  
wrote:

> I want to disable HT because it can impact performance when used to  
> execute code compiled for parallel execution across multiple PCs.

So your code is so efficient at utilizing execution resources, (i.e. not  
really
ever stalling), that the HT overhead slows you down?


More information about the Ukfreebsd mailing list