Re: GRR!! SMP=1 sucks
Alan Cox (alan@lxorguk.ukuu.org.uk)
Thu, 9 Apr 1998 18:18:13 +0100 (BST)
> I think that SMP=1 should be the default because eventually
> we may want SMP=1 to be the only kind of kernel so that we can have
> fully preemptable kernel threads, which in turn will allow every
SMP=1 isnt safe on some boxes. SMP=1 is upto 10% slower for single CPU
on real tasks and 40% slower on certain FPU/sleep/FPU/sleep patterns
Alan
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