From: Christoph Lameter <cl@linux.com>
To: Paul Turner <pjt@google.com>
Cc: lsf-pc@lists.linux-foundation.org, linux-mm@kvack.org
Subject: Re: [LSF/MM TOPIC] [ATTEND] NUMA aware load-balancing
Date: Mon, 6 Feb 2012 10:48:42 -0600 (CST) [thread overview]
Message-ID: <alpine.DEB.2.00.1202061047450.2799@router.home> (raw)
In-Reply-To: <4F2FD25C.7070801@google.com>
On Mon, 6 Feb 2012, Paul Turner wrote:
> I don't see it proposed as a topic yet (unless I missed it) but I spoke with
> Peter briefly and I think this would be a good opportunity in particular to
> discuss NUMA-aware load-balancing. Currently, we only try to solve the 1-d
> problem of optimizing for weight; but there's recently been interest from
> several parties in improving this. Issues involves proactively accounting for
> the distribution of current allocations, determining when to initiate reactive
> migration (or when not to move tasks!), and the associated grouping semantics.
So this would mean having statistics that show how many pages are
allocated on each node and take that into consideration for load
balancing? Which is something that we felt to be desirable for a long
time.
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next prev parent reply other threads:[~2012-02-06 16:48 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-31 20:28 LSF/MM summit deadline on Sunday Andrea Arcangeli
2012-02-06 13:15 ` [LSF/MM TOPIC] [ATTEND] NUMA aware load-balancing Paul Turner
2012-02-06 15:22 ` [Lsf-pc] " Andrea Arcangeli
2012-02-06 16:48 ` Christoph Lameter [this message]
2012-02-06 16:59 ` Andrea Arcangeli
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