From: Rik van Riel <riel@redhat.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@kernel.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Paul Turner <pjt@google.com>,
Lee Schermerhorn <Lee.Schermerhorn@hp.com>,
Christoph Lameter <cl@linux.com>, Mel Gorman <mgorman@suse.de>,
Andrew Morton <akpm@linux-foundation.org>,
Andrea Arcangeli <aarcange@redhat.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Johannes Weiner <hannes@cmpxchg.org>,
Hugh Dickins <hughd@google.com>
Subject: Re: [GIT TREE] Unified NUMA balancing tree, v3
Date: Mon, 10 Dec 2012 13:41:43 -0500 [thread overview]
Message-ID: <50C62CE7.2000306@redhat.com> (raw)
In-Reply-To: <alpine.LFD.2.02.1212101902050.4422@ionos>
On 12/10/2012 01:22 PM, Thomas Gleixner wrote:
> So autonuma and numacore are basically on the same page, with a slight
> advantage for numacore in the THP enabled case. balancenuma is closer
> to mainline than to autonuma/numacore.
Indeed, when the system is fully loaded, numacore does very well.
The main issues that have been observed with numacore are when
the system is only partially loaded. Something strange seems to
be going on that causes performance regressions in that situation.
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next prev parent reply other threads:[~2012-12-10 18:41 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-07 0:19 [GIT TREE] Unified NUMA balancing tree, v3 Ingo Molnar
2012-12-07 0:19 ` [PATCH 1/9] numa, sched: Fix NUMA tick ->numa_shared setting Ingo Molnar
2012-12-07 0:19 ` [PATCH 2/9] numa, sched: Add tracking of runnable NUMA tasks Ingo Molnar
2012-12-07 0:19 ` [PATCH 3/9] numa, sched: Implement wake-cpu migration support Ingo Molnar
2012-12-07 0:19 ` [PATCH 4/9] numa, mm, sched: Implement last-CPU+PID hash tracking Ingo Molnar
2012-12-07 0:19 ` [PATCH 5/9] numa, mm, sched: Fix NUMA affinity tracking logic Ingo Molnar
2012-12-07 0:19 ` [PATCH 6/9] numa, mm: Fix !THP, 4K-pte "2M-emu" NUMA fault handling Ingo Molnar
2012-12-07 0:19 ` [PATCH 7/9] numa, sched: Improve staggered convergence Ingo Molnar
2012-12-07 0:19 ` [PATCH 8/9] numa, sched: Improve directed convergence Ingo Molnar
2012-12-07 0:19 ` [PATCH 9/9] numa, sched: Streamline and fix numa_allow_migration() use Ingo Molnar
2012-12-10 18:22 ` [GIT TREE] Unified NUMA balancing tree, v3 Thomas Gleixner
2012-12-10 18:41 ` Rik van Riel [this message]
2012-12-10 19:15 ` Ingo Molnar
2012-12-10 19:28 ` Mel Gorman
2012-12-10 20:07 ` Ingo Molnar
2012-12-10 20:10 ` Ingo Molnar
2012-12-10 21:03 ` Ingo Molnar
2012-12-10 22:19 ` Mel Gorman
2012-12-10 19:32 ` Mel Gorman
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