Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755316Ab0HCGeI (ORCPT ); Tue, 3 Aug 2010 02:34:08 -0400 Received: from beauty.rexursive.com ([150.101.121.179]:53989 "EHLO beauty.rexursive.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755210Ab0HCGeG (ORCPT ); Tue, 3 Aug 2010 02:34:06 -0400 Subject: Re: [PATCH]: Compress hibernation image with LZO (in-kernel) From: Bojan Smojver To: KAMEZAWA Hiroyuki Cc: Nigel Cunningham , linux-kernel@vger.kernel.org In-Reply-To: <1280800750.3305.4.camel@shrek.rexursive.com> References: <1280465201.2600.10.camel@shrek.rexursive.com> <1280486667.2608.1.camel@shrek.rexursive.com> <4C534C9D.8000600@tuxonice.net> <1280532174.2583.1.camel@shrek.rexursive.com> <4C5362E7.3000706@tuxonice.net> <1280538184.2583.11.camel@shrek.rexursive.com> <4C537A01.5040808@tuxonice.net> <1280540035.2658.5.camel@shrek.rexursive.com> <1280551286.3097.6.camel@shrek.rexursive.com> <20100802091752.3c9f180d.kamezawa.hiroyu@jp.fujitsu.com> <1280710453.2727.8.camel@shrek.rexursive.com> <20100802101058.d4f1c7b6.kamezawa.hiroyu@jp.fujitsu.com> <1280712068.2671.0.camel@shrek.rexursive.com> <20100802102750.7d414819.kamezawa.hiroyu@jp.fujitsu.com> <1280713381.2673.2.camel@shrek.rexursive.com> <1280800750.3305.4.camel@shrek.rexursive.com> Content-Type: text/plain; charset="UTF-8" Date: Tue, 03 Aug 2010 16:34:02 +1000 Message-ID: <1280817242.13433.5.camel@shrek.rexursive.com> Mime-Version: 1.0 X-Mailer: Evolution 2.30.2 (2.30.2-4.fc13) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 710 Lines: 17 On Tue, 2010-08-03 at 11:59 +1000, Bojan Smojver wrote: > I also enhanced the patch to use overlapping compression in order to > save memory. Looks like that's causing it to be slower on compression > (we go down from 130 - 150 MB/s to around 105 - 110 MB/s), but still > over 3 times faster than regular swsusp code. Actually, that is a lie. Speed is not related to overlapping compression/decompression, but to what is put in /sys/power/image_size. -- Bojan -- 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/