A different metric for scheduler optimisation

[Davide Libenzi]

On Sat, 29 Jan 2000, Horst von Brand wrote:
> In case your application switches rapidly, it is thrashing the cache, which
> is crucial for performance with current CPUs. You simply don't want to do
> that, ever. You get best performance by _never_ switching unless forced to
> do so, but that isn't realistic.

If You switch fast You have more cache reloads of probably less cache lines (
or pages ).
Since a task that run a short time has a lower probability to "touch" RAM
locations.

Davide.

-- 
All this stuff is IMVHO



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