> 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
So MSDOS is the world's best OS ? :-))
IMHO if we change the current behaviour of the scheduler to try to minimize
cache trashing it will also lead to higher switching latencies and to a
coarser distrubution of CPU time. We can get similer results by decreasing HZ.
Bye.
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