On Fri, Jun 06, 2014 at 02:13:05PM +0200, Ingo Molnar wrote: > > Leakage current typically gets higher with higher frequencies, but > it's also highly process dependent AFAIK. >
In general, you can assume leakage power ~ V^2. > If switching power dissipation is the main factor in power use, then > we can essentially assume that P ~ V^2, at the same frequency - and > scales linearly with frequency - but real work performed also scales > semi-linearly with frequency for many workloads, so that's an > invariant for everything except highly memory bound workloads. > Agreed. Strictly, Energy ~ V^2. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/