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From: Jes Sorensen <jes@wildopensource.com>
To: "Jörn Engel" <joern@wohnheim.fh-wedel.de>
Cc: Jack Steiner <steiner@sgi.com>, linux-kernel@vger.kernel.org
Subject: Re: hash table sizes
Date: 01 Dec 2003 04:46:22 -0500	[thread overview]
Message-ID: <yq0ptf898gh.fsf@wildopensource.com> (raw)
In-Reply-To: <20031128211827.GA25644@wohnheim.fh-wedel.de>

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>>>>> "Jörn" == Jörn Engel <joern@wohnheim.fh-wedel.de> writes:

Jörn> [pruned CC: list]
Jörn> On Fri, 28 November 2003 13:35:36 -0600, Jack Steiner wrote:
>> You proposed above to limit the allocation to the amount of memory
>> on a node.

Jörn> Jes didn't _limit_ the allocation to the memory on a node, he
Jörn> _based_ it on it, instead of total memory for all nodes.
Jörn> Therefore a 1024 node NUMA machine with 2GB per node has no
Jörn> bigger hash tables, than a single CPU machine with 2GB total
Jörn> memory, however big that may be.

Jörn> Unless I didn't understand his patch, that is. :)

Yep, thats exactly what my patch did. There's a gotcha if node 0 has a
lot less memory than the remaining nodes, but I also suspect the size
of those hash tables was already out of whack as memory has gone up.

Thanks,
Jes

  reply	other threads:[~2003-12-01  9:47 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-11-25 13:35 Jes Sorensen
2003-11-25 13:42 ` William Lee Irwin III
2003-11-25 13:54   ` Jes Sorensen
2003-11-25 16:25     ` Thomas Schlichter
2003-11-25 17:52       ` Antonio Vargas
2003-11-25 17:54         ` William Lee Irwin III
2003-11-25 20:48 ` Jack Steiner
2003-11-25 21:07   ` Andrew Morton
2003-11-25 21:14     ` Jesse Barnes
2003-11-25 21:24       ` Andrew Morton
2003-11-26  2:14         ` David S. Miller
2003-11-26  5:27         ` Matt Mackall
2003-11-28 14:15         ` Jes Sorensen
2003-11-28 14:52           ` Jack Steiner
2003-11-28 16:22             ` Jes Sorensen
2003-11-28 19:35               ` Jack Steiner
2003-11-28 21:18                 ` Jörn Engel
2003-12-01  9:46                   ` Jes Sorensen [this message]
2003-12-01 21:06     ` Anton Blanchard
2003-12-01 22:57       ` Martin J. Bligh
2003-11-25 21:16   ` Anton Blanchard
2003-11-25 23:11     ` Jack Steiner
2003-11-26  3:39       ` Rik van Riel
2003-11-26  3:59         ` William Lee Irwin III
2003-11-26  4:25           ` Andrew Morton
2003-11-26  4:23             ` William Lee Irwin III
2003-11-26  5:14           ` Martin J. Bligh
2003-11-26  9:51             ` William Lee Irwin III
2003-11-26 16:17               ` Martin J. Bligh
2003-11-26  7:25       ` Anton Blanchard
2003-11-26  5:53 Zhang, Yanmin
2003-11-29 10:39 Manfred Spraul

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