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Date: Tue, 12 Aug 2008 13:57:13 -0500 From: Christoph Lameter <cl@...ux-foundation.org> To: Andi Kleen <andi@...stfloor.org> CC: David Miller <davem@...emloft.net>, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: tbench regression on each kernel release from 2.6.22 -> 2.6.28 Andi Kleen wrote: > Christoph Lameter <cl@...ux-foundation.org> writes: > >> Maybe what we are seeing is general bloat in kernel execution paths >> due to the growth in complexity? > > Wouldn't surprise me. Have you considered doing profiles? If I get the time I will try to do that. Another way to understand why we are accepting the regressions here may be that we give more consideration to real time issues and deterministic performance these days. Hardware speed gains compensate for the additional bloat? (I ran the old kernels on cutting edge hardware after all). -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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