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From: Nicolas Pitre <nico@fluxnic.net>
To: Joe Perches <joe@perches.com>
Cc: Russell King - ARM Linux <linux@arm.linux.org.uk>,
	Peter Korsgaard <jacmet@sunsite.dk>,
	"Markus F.X.J. Oberhumer" <markus@oberhumer.com>,
	Kyungsik Lee <kyungsik.lee@lge.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
	Michal Marek <mmarek@suse.cz>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-kbuild@vger.kernel.org,
	x86@kernel.org, celinux-dev@lists.celinuxforum.org,
	Nitin Gupta <nitingupta910@gmail.com>,
	Richard Purdie <rpurdie@openedhand.com>,
	Josh Triplett <josh@joshtriplett.org>,
	Joe Millenbach <jmillenbach@gmail.com>,
	David Sterba <dsterba@suse.cz>,
	Richard Cochran <richardcochran@gmail.com>,
	Albin Tonnerre <albin.tonnerre@free-electrons.com>,
	Egon Alter <egon.alter@gmx.net>,
	hyojun.im@lge.com, chan.jeong@lge.com,
	raphael.andy.lee@gmail.com
Subject: Re: [RFC PATCH v2 0/4] Add support for LZ4-compressed kernel
Date: Wed, 27 Feb 2013 12:52:19 -0500 (EST)	[thread overview]
Message-ID: <alpine.LFD.2.03.1302271246440.1254@syhkavp.arg> (raw)
In-Reply-To: <1361986787.20540.8.camel@joe-AO722>

On Wed, 27 Feb 2013, Joe Perches wrote:

> On Wed, 2013-02-27 at 12:16 -0500, Nicolas Pitre wrote:
> > RMK says that "66% increase in decompression speed over LZO" is 
> > significant.  You apparently disagree with that.
> 
> Yeah, I can see how that can be interpreted.
> I'm referring only to the new LZO.
> 
> I guess Russell has not reviewed the new LZO.
> 
> There is apparently no speed increase for LZ4 over
> the new LZO.
> 
> I believe Markus has shown comparison testing in
> this very thread.
> 
> https://patchwork.kernel.org/patch/2187441/

Right.

Can the new LZO code be merged by Linus now?  It has been sitting in 
linux-next for quite some time.  Afterwards we could revisit lz4 
worthiness without all the present confusion.

BTW, I still wonder what that patch requiring ARM people approval is.


Nicolas

WARNING: multiple messages have this Message-ID (diff)
From: nico@fluxnic.net (Nicolas Pitre)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH v2 0/4] Add support for LZ4-compressed kernel
Date: Wed, 27 Feb 2013 12:52:19 -0500 (EST)	[thread overview]
Message-ID: <alpine.LFD.2.03.1302271246440.1254@syhkavp.arg> (raw)
In-Reply-To: <1361986787.20540.8.camel@joe-AO722>

On Wed, 27 Feb 2013, Joe Perches wrote:

> On Wed, 2013-02-27 at 12:16 -0500, Nicolas Pitre wrote:
> > RMK says that "66% increase in decompression speed over LZO" is 
> > significant.  You apparently disagree with that.
> 
> Yeah, I can see how that can be interpreted.
> I'm referring only to the new LZO.
> 
> I guess Russell has not reviewed the new LZO.
> 
> There is apparently no speed increase for LZ4 over
> the new LZO.
> 
> I believe Markus has shown comparison testing in
> this very thread.
> 
> https://patchwork.kernel.org/patch/2187441/

Right.

Can the new LZO code be merged by Linus now?  It has been sitting in 
linux-next for quite some time.  Afterwards we could revisit lz4 
worthiness without all the present confusion.

BTW, I still wonder what that patch requiring ARM people approval is.


Nicolas

  reply	other threads:[~2013-02-27 17:52 UTC|newest]

Thread overview: 67+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-02-26  6:24 [RFC PATCH v2 0/4] Add support for LZ4-compressed kernel Kyungsik Lee
2013-02-26  6:24 ` Kyungsik Lee
2013-02-26  6:24 ` [RFC PATCH v2 1/4] decompressor: Add LZ4 decompressor module Kyungsik Lee
2013-02-26  6:24   ` Kyungsik Lee
2013-02-26 13:12   ` David Sterba
2013-02-26 13:12     ` David Sterba
2013-02-27  4:38     ` Kyungsik Lee
2013-02-27  4:38       ` Kyungsik Lee
2013-02-26  6:24 ` [RFC PATCH v2 2/4] lib: Add support for LZ4-compressed kernel Kyungsik Lee
2013-02-26  6:24   ` Kyungsik Lee
2013-02-26 14:00   ` David Sterba
2013-02-26 14:00     ` David Sterba
2013-02-28  5:22     ` Kyungsik Lee
2013-02-28  5:22       ` Kyungsik Lee
2013-02-26  6:24 ` [RFC PATCH v2 3/4] arm: " Kyungsik Lee
2013-02-26  6:24   ` Kyungsik Lee
2013-02-26  6:24 ` [RFC PATCH v2 4/4] x86: " Kyungsik Lee
2013-02-26  6:24   ` Kyungsik Lee
2013-02-26 20:33 ` [RFC PATCH v2 0/4] " Markus F.X.J. Oberhumer
2013-02-26 20:33   ` Markus F.X.J. Oberhumer
2013-02-26 20:59   ` Nicolas Pitre
2013-02-26 20:59     ` Nicolas Pitre
2013-02-26 21:58     ` Peter Korsgaard
2013-02-26 21:58       ` Peter Korsgaard
2013-02-26 22:09       ` Nicolas Pitre
2013-02-26 22:09         ` Nicolas Pitre
2013-02-26 22:10       ` Russell King - ARM Linux
2013-02-26 22:10         ` Russell King - ARM Linux
2013-02-27  1:40         ` Joe Perches
2013-02-27  1:40           ` Joe Perches
2013-02-27  9:56           ` Russell King - ARM Linux
2013-02-27  9:56             ` Russell King - ARM Linux
2013-02-27 15:49             ` Joe Perches
2013-02-27 15:49               ` Joe Perches
2013-02-27 16:08               ` Nicolas Pitre
2013-02-27 16:08                 ` Nicolas Pitre
2013-02-27 16:08                 ` Nicolas Pitre
2013-02-27 16:31               ` Russell King - ARM Linux
2013-02-27 16:31                 ` Russell King - ARM Linux
2013-02-27 16:53                 ` Borislav Petkov
2013-02-27 16:53                   ` Borislav Petkov
2013-02-27 17:04                 ` Joe Perches
2013-02-27 17:04                   ` Joe Perches
2013-02-27 17:16                   ` Nicolas Pitre
2013-02-27 17:16                     ` Nicolas Pitre
2013-02-27 17:39                     ` Joe Perches
2013-02-27 17:39                       ` Joe Perches
2013-02-27 17:52                       ` Nicolas Pitre [this message]
2013-02-27 17:52                         ` Nicolas Pitre
2013-02-27 17:57                       ` Russell King - ARM Linux
2013-02-27 17:57                         ` Russell King - ARM Linux
2013-02-27 17:36                   ` Russell King - ARM Linux
2013-02-27 17:36                     ` Russell King - ARM Linux
2013-02-28  4:22                     ` Joe Perches
2013-02-28  4:22                       ` Joe Perches
2013-02-27  7:36   ` Kyungsik Lee
2013-02-27  7:36     ` Kyungsik Lee
2013-02-27  9:51     ` Russell King - ARM Linux
2013-02-27  9:51       ` Russell King - ARM Linux
2013-02-27 10:20       ` Johannes Stezenbach
2013-02-27 10:20         ` Johannes Stezenbach
2013-02-27 15:35         ` Nicolas Pitre
2013-02-27 15:35           ` Nicolas Pitre
2013-02-27 13:23       ` Kyungsik Lee
2013-02-27 13:23         ` Kyungsik Lee
2013-02-27 22:21       ` Andrew Morton
2013-02-27 22:21         ` Andrew Morton

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