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SubjectRe: [PATCH 2/2] powerpc: implement arch_scale_smt_power for Power7
Date
> > On Power7 processors running in SMT4 mode with 2, 3, or 4 idle threads 
> > there is performance benefit to idling the higher numbered threads in
> > the core.
>
> So this is an actual performance improvement, not only power savings?

It's primarily a performance improvement. Any power/energy savings
would be a bonus.

Mikey


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