From: Dario Faggioli <raistlin@linux.it>
To: Ian Jackson <Ian.Jackson@eu.citrix.com>
Cc: Andre Przywara <andre.przywara@amd.com>,
Ian Campbell <Ian.Campbell@citrix.com>,
Stefano Stabellini <Stefano.Stabellini@eu.citrix.com>,
George Dunlap <George.Dunlap@eu.citrix.com>,
Juergen Gross <juergen.gross@ts.fujitsu.com>,
"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>
Subject: Re: [PATCH 08 of 10 v2] libxl: enable automatic placement of guests on NUMA nodes
Date: Wed, 27 Jun 2012 10:15:03 +0200 [thread overview]
Message-ID: <1340784903.9444.66.camel@Solace> (raw)
In-Reply-To: <20457.38656.696529.142496@mariner.uk.xensource.com>
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On Tue, 2012-06-26 at 12:03 +0100, Ian Jackson wrote:
> The conventional approach to this kind of thing is to invent a score
> for sorting etc. Something like
> score = tuning_parameter * log(freemem) - number_of_domains
> which does sort of roughly the same as your 10% rule if you squint.
>
However, if I go for this approach, I think I should stick to floating
point arith, as I'm not sure I can properly to things like normalization
and take log()-s with integers... :-/
Would that be fine?
Thanks and Regards,
Dario
--
<<This happens because I choose it to happen!>> (Raistlin Majere)
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Dario Faggioli, Ph.D, http://retis.sssup.it/people/faggioli
Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)
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next prev parent reply other threads:[~2012-06-27 8:15 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-15 17:04 [PATCH 00 of 10 v2] Automatic NUMA placement for xl Dario Faggioli
2012-06-15 17:04 ` [PATCH 01 of 10 v2] libxl: fix a typo in the GCREALLOC_ARRAY macro Dario Faggioli
2012-06-21 8:53 ` Ian Campbell
2012-06-26 16:00 ` Ian Campbell
2012-06-26 16:26 ` Dario Faggioli
2012-06-15 17:04 ` [PATCH 02 of 10 v2] libxl: add a new Array type to the IDL Dario Faggioli
2012-06-15 17:04 ` [PATCH 03 of 10 v2] libxl, libxc: introduce libxl_get_numainfo() Dario Faggioli
2012-06-21 9:02 ` Ian Campbell
2012-06-21 10:00 ` Dario Faggioli
2012-06-21 10:21 ` Ian Campbell
2012-06-15 17:04 ` [PATCH 04 of 10 v2] xl: add more NUMA information to `xl info -n' Dario Faggioli
2012-06-21 9:04 ` Ian Campbell
2012-06-15 17:04 ` [PATCH 05 of 10 v2] libxl: rename libxl_cpumap to libxl_bitmap Dario Faggioli
2012-06-21 9:12 ` Ian Campbell
2012-06-21 9:49 ` Dario Faggioli
2012-06-21 10:22 ` Ian Campbell
2012-06-15 17:04 ` [PATCH 06 of 10 v2] libxl: expand the libxl_bitmap API a bit Dario Faggioli
2012-06-21 9:30 ` Ian Campbell
2012-06-21 9:46 ` Dario Faggioli
2012-06-15 17:04 ` [PATCH 07 of 10 v2] libxl: introduce some node map helpers Dario Faggioli
2012-06-21 9:35 ` Ian Campbell
2012-06-21 9:44 ` Dario Faggioli
2012-06-15 17:04 ` [PATCH 08 of 10 v2] libxl: enable automatic placement of guests on NUMA nodes Dario Faggioli
2012-06-21 11:40 ` Ian Campbell
2012-06-21 16:34 ` Dario Faggioli
2012-06-22 10:14 ` Ian Campbell
2012-06-26 16:25 ` Dario Faggioli
2012-06-26 16:26 ` Ian Campbell
2012-06-26 17:23 ` Ian Jackson
2012-06-21 16:16 ` George Dunlap
2012-06-21 16:43 ` Dario Faggioli
2012-06-22 10:05 ` George Dunlap
2012-06-26 11:03 ` Ian Jackson
2012-06-26 15:20 ` Dario Faggioli
2012-06-27 8:15 ` Dario Faggioli [this message]
2012-06-28 7:25 ` Zhang, Yang Z
2012-06-28 8:36 ` George Dunlap
2012-06-29 5:38 ` Zhang, Yang Z
2012-06-29 9:46 ` Dario Faggioli
2012-06-28 10:12 ` Dario Faggioli
2012-06-28 12:41 ` Pasi Kärkkäinen
2012-06-28 17:03 ` Dario Faggioli
2012-06-29 5:29 ` Zhang, Yang Z
2012-06-29 9:38 ` Dario Faggioli
2012-06-15 17:04 ` [PATCH 09 of 10 v2] libxl: have NUMA placement deal with cpupools Dario Faggioli
2012-06-21 13:31 ` Ian Campbell
2012-06-21 13:54 ` Dario Faggioli
2012-06-21 13:58 ` Ian Campbell
2012-06-15 17:04 ` [PATCH 10 of 10 v2] Some automatic NUMA placement documentation Dario Faggioli
2012-06-18 15:54 ` Dario Faggioli
2012-06-21 13:38 ` Ian Campbell
2012-06-21 13:57 ` Dario Faggioli
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