Re: -mm seems significanty slower than mainline on kernbench

From: Nick Piggin
Date: Sat Jan 14 2006 - 01:04:08 EST


Con Kolivas wrote:
On Saturday 14 January 2006 16:03, Nick Piggin wrote:

Ideally, balancing should be completely unaffected when all tasks are
of priority 0 which is what I thought yours did, and why I think the
current system is not great.


The current smp nice in mainline 2.6.15 is performance neutral when all are the same priority. It's only this improved version in -mm that is not.


Oh sure. I wasn't talking about performance though.

--
SUSE Labs, Novell Inc.

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