From: Gianni Tedesco <gianni@ecsc.co.uk>
To: Andi Kleen <ak@suse.de>
Cc: "Martin J. Bligh" <mbligh@aracnet.com>,
lse-tech@projects.sourceforge.net, akpm@digeo.com,
linux-kernel@vger.kernel.org
Subject: Re: [Lse-tech] [PATCH] New dcache / inode hash tuning patch
Date: 27 Feb 2003 11:21:38 +0000 [thread overview]
Message-ID: <1046344898.28559.12.camel@lemsip> (raw)
In-Reply-To: <20030226183304.GA30836@wotan.suse.de>
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On Wed, 2003-02-26 at 18:33, Andi Kleen wrote:
> On Wed, Feb 26, 2003 at 10:23:09AM -0800, Martin J. Bligh wrote:
> > It actually seems a fraction slower (see systimes for Kernbench-16,
> > for instance).
>
> Can you play a bit with the hash table sizes? Perhaps double the
> dcache hash and half the inode hash ?
>
> I suspect it really just needs a better hash function. I'll cook
> something up based on FNV hash.
Didn't wli do some work in this area? I seem to recall him recommending
FNV1a for dcache...
--
// Gianni Tedesco (gianni at scaramanga dot co dot uk)
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next prev parent reply other threads:[~2003-02-27 11:10 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-26 16:49 [PATCH] New dcache / inode hash tuning patch Andi Kleen
2003-02-26 18:23 ` [Lse-tech] " Martin J. Bligh
2003-02-26 18:33 ` Andi Kleen
2003-02-26 21:16 ` Martin J. Bligh
2003-02-27 11:21 ` Gianni Tedesco [this message]
2003-02-27 11:28 ` William Lee Irwin III
2003-02-27 23:10 ` Linus Torvalds
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