Re: [PATCH 2/2] powerpc: implement arch_scale_smt_power for Power7

From: Michael Neuling
Date: Wed Jan 20 2010 - 16:58:15 EST

> > 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.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at