From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753426Ab1I1HSr (ORCPT ); Wed, 28 Sep 2011 03:18:47 -0400 Received: from beauty.rexursive.com ([150.101.121.179]:37069 "EHLO beauty.rexursive.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753389Ab1I1HSp (ORCPT ); Wed, 28 Sep 2011 03:18:45 -0400 Subject: Re: [PATCH v5]: Improve performance of LZO hibernation From: Bojan Smojver To: Pekka Enberg Cc: linux-kernel@vger.kernel.org, "Rafael J. Wysocki" Date: Wed, 28 Sep 2011 17:18:42 +1000 In-Reply-To: References: <1317183650.2067.10.camel@shrek.rexursive.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.0.3 (3.0.3-1.fc15) Content-Transfer-Encoding: 7bit Message-ID: <1317194324.1998.12.camel@shrek.rexursive.com> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2011-09-28 at 10:14 +0300, Pekka Enberg wrote: > So how do the numbers look like without your patch? Write is about 110 - 120 MB/s. Read is always below 100 MB/s, mostly around 50 - 70 MB/s. PS. The hibernate=nocompress also benefits with the patch. It is all about avoiding sync reads/writes. -- Bojan