linux-kernel - Re: [RFC] LZO de/compression support

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Date:	Mon, 28 May 2007 20:10:31 +0530
From:	"Nitin Gupta" <nitingupta910@...il.com>
To:	lkml <linux-kernel@...r.kernel.org>, linux-mm-cc@...top.org,
	linuxcompressed-devel@...ts.sourceforge.net
Cc:	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Daniel Hazelton" <dhazelton@...er.net>,
	"Richard Purdie" <richard@...nedhand.com>,
	"Bret Towe" <magnade@...il.com>,
	"Satyam Sharma" <satyam.sharma@...il.com>
Subject: Re: [RFC] LZO de/compression support - take 6

Hi,

Attached is tester code used for testing.
(developed by Daniel Hazelton -- modified slightly to now use 'take 6'
version for 'TinyLZO')

Cheers,
Nitin

On 5/28/07, Nitin Gupta <nitingupta910@...il.com> wrote:
> (Using tester program from Daniel)
>
> Following compares this kernel port ('take 6') vs original miniLZO code:
>
> 'TinyLZO' refers to this kernel port.
>
> 10000 run averages:
> 'Tiny LZO':
>        Combined: 61.2223 usec
>        Compression: 41.8412 usec
>        Decompression: 19.3811 usec
> 'miniLZO':
>        Combined: 66.0444 usec
>        Compression: 46.6323 usec
>        Decompression: 19.4121 usec
>
> Result:
> Overall: TinyLZO is 7.3% faster
> Compressor: TinyLZO is 10.2% faster
> Decompressor: TinyLZO is 0.15% faster
>

Download attachment "lzo1x-test-4.tar.bz2" of type "application/x-bzip2" (38039 bytes)