To: linux-kernel@vger.kernel.org
From: Bill Davidsen <davidsen@tmr.com>
Subject: Re: Page cache using B-trees benchmark results
Date: Fri, 18 Aug 2006 09:52:59 -0400
Message-ID: <44E5C63B.4080000@tmr.com>
References: <4745278c0608171843j5b3d28bbx16ddf472e1bdb329@mail.gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Cc: Andrea Arcangeli <andrea@suse.de>
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.5) Gecko/20060720 SeaMonkey/1.0.3
In-Reply-To: <4745278c0608171843j5b3d28bbx16ddf472e1bdb329@mail.gmail.com>
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 1298
Lines: 25

Vishal Patil wrote:
> Folks
> 
> I am attaching the benchmark results for Page Cache Implementation
> using B-trees. I basically ran the tio (threaded i/o) benchmark
> against my kernel (with the B-tree implementation) and the Linux
> kernel shipped with FC5. Radix tree implementation is definately
> better however the B-tree implementation did not suck that bad :)
> 
> Also I attaching a new patch which was used for measuring the
> benchmarks. Also henceforth changes to the page will be tracked using
> the projected hosted at http://code.google.com/p/btreepc
> 
Thanks for this. I guess a purist would say that you need to run against 
the base kernel and base kernel plus your patches, but these numbers are 
certainly enough to support your conclusion.

What's next?

-- 
Bill Davidsen <davidsen@tmr.com>
   Obscure bug of 2004: BASH BUFFER OVERFLOW - if bash is being run by a
normal user and is setuid root, with the "vi" line edit mode selected,
and the character set is "big5," an off-by-one errors occurs during
wildcard (glob) expansion.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/