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SubjectRe: MMX for kernel
> and what about runnung 2+ FP cmopute jobs on a dual-PPro200 (SMP) machine ?
> how often do processes switch from one CPU to another needing to save/reload
> FPU registers and hardware faults ?

The kernel weights a process to avoid it flipping CPU's casually. On the SMP
kernel we don't do lazy safe/restore because we may need to do cross CPUr
restores quite often which gets expensive.


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