Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030294Ab3FTOfb (ORCPT ); Thu, 20 Jun 2013 10:35:31 -0400 Received: from mail-vc0-f174.google.com ([209.85.220.174]:45426 "EHLO mail-vc0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030276Ab3FTOf0 (ORCPT ); Thu, 20 Jun 2013 10:35:26 -0400 MIME-Version: 1.0 In-Reply-To: <20130620142328.GA9461@cerebellum> References: <1370291585-26102-1-git-send-email-sjenning@linux.vnet.ibm.com> <1370291585-26102-4-git-send-email-sjenning@linux.vnet.ibm.com> <20130620023750.GA1194@cerebellum> <20130620142328.GA9461@cerebellum> Date: Thu, 20 Jun 2013 22:35:25 +0800 Message-ID: Subject: Re: [PATCHv13 3/4] zswap: add to mm/ From: Bob Liu To: Seth Jennings Cc: Andrew Morton , Greg Kroah-Hartman , Nitin Gupta , Minchan Kim , Konrad Rzeszutek Wilk , Dan Magenheimer , Robert Jennings , Jenifer Hopper , Mel Gorman , Johannes Weiner , Rik van Riel , Larry Woodman , Benjamin Herrenschmidt , Dave Hansen , Joe Perches , Joonsoo Kim , Cody P Schafer , Hugh Dickens , Paul Mackerras , Linux-MM , Linux-Kernel , devel@driverdev.osuosl.org Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4488 Lines: 75 On Thu, Jun 20, 2013 at 10:23 PM, Seth Jennings wrote: > On Thu, Jun 20, 2013 at 05:42:04PM +0800, Bob Liu wrote: >> > Just made a mmtests run of my own and got very different results: >> > >> >> It's strange, I'll update to rc6 and try again. >> By the way, are you using 824 hardware compressor instead of lzo? > > My results where using lzo software compression. > Thanks, and today I used another machine to test zswap. The total ram size of that machine is around 4G. This time the result is better: rc6 rc6 zswap base Ops memcachetest-0M 14619.00 ( 0.00%) 15602.00 ( 6.72%) Ops memcachetest-435M 14727.00 ( 0.00%) 15860.00 ( 7.69%) Ops memcachetest-944M 12452.00 ( 0.00%) 11812.00 ( -5.14%) Ops memcachetest-1452M 12183.00 ( 0.00%) 9829.00 (-19.32%) Ops memcachetest-1961M 11953.00 ( 0.00%) 9337.00 (-21.89%) Ops memcachetest-2469M 11201.00 ( 0.00%) 7509.00 (-32.96%) Ops memcachetest-2978M 9738.00 ( 0.00%) 5981.00 (-38.58%) Ops io-duration-0M 0.00 ( 0.00%) 0.00 ( 0.00%) Ops io-duration-435M 10.00 ( 0.00%) 6.00 ( 40.00%) Ops io-duration-944M 19.00 ( 0.00%) 19.00 ( 0.00%) Ops io-duration-1452M 31.00 ( 0.00%) 26.00 ( 16.13%) Ops io-duration-1961M 40.00 ( 0.00%) 35.00 ( 12.50%) Ops io-duration-2469M 45.00 ( 0.00%) 43.00 ( 4.44%) Ops io-duration-2978M 58.00 ( 0.00%) 53.00 ( 8.62%) Ops swaptotal-0M 56711.00 ( 0.00%) 8.00 ( 99.99%) Ops swaptotal-435M 19218.00 ( 0.00%) 2101.00 ( 89.07%) Ops swaptotal-944M 53233.00 ( 0.00%) 98055.00 (-84.20%) Ops swaptotal-1452M 52064.00 ( 0.00%) 145624.00 (-179.70%) Ops swaptotal-1961M 54960.00 ( 0.00%) 153907.00 (-180.03%) Ops swaptotal-2469M 57485.00 ( 0.00%) 176340.00 (-206.76%) Ops swaptotal-2978M 77704.00 ( 0.00%) 182996.00 (-135.50%) Ops swapin-0M 24834.00 ( 0.00%) 8.00 ( 99.97%) Ops swapin-435M 9038.00 ( 0.00%) 0.00 ( 0.00%) Ops swapin-944M 26230.00 ( 0.00%) 42953.00 (-63.76%) Ops swapin-1452M 25766.00 ( 0.00%) 68440.00 (-165.62%) Ops swapin-1961M 27258.00 ( 0.00%) 68129.00 (-149.94%) Ops swapin-2469M 28508.00 ( 0.00%) 82234.00 (-188.46%) Ops swapin-2978M 37970.00 ( 0.00%) 89280.00 (-135.13%) Ops minorfaults-0M 1460163.00 ( 0.00%) 927966.00 ( 36.45%) Ops minorfaults-435M 954058.00 ( 0.00%) 936182.00 ( 1.87%) Ops minorfaults-944M 972818.00 ( 0.00%) 1005956.00 ( -3.41%) Ops minorfaults-1452M 966597.00 ( 0.00%) 1035465.00 ( -7.12%) Ops minorfaults-1961M 976158.00 ( 0.00%) 1049441.00 ( -7.51%) Ops minorfaults-2469M 967815.00 ( 0.00%) 1051752.00 ( -8.67%) Ops minorfaults-2978M 988712.00 ( 0.00%) 1034615.00 ( -4.64%) Ops majorfaults-0M 5899.00 ( 0.00%) 9.00 ( 99.85%) Ops majorfaults-435M 2684.00 ( 0.00%) 67.00 ( 97.50%) Ops majorfaults-944M 4380.00 ( 0.00%) 5790.00 (-32.19%) Ops majorfaults-1452M 4161.00 ( 0.00%) 9222.00 (-121.63%) Ops majorfaults-1961M 4435.00 ( 0.00%) 8800.00 (-98.42%) Ops majorfaults-2469M 4555.00 ( 0.00%) 10541.00 (-131.42%) Ops majorfaults-2978M 6182.00 ( 0.00%) 11618.00 (-87.93%) But the performance of the first machine I used whose total ram size is 2G is still bad. I need more time to summarize those testing results. Maybe you can also have a try with lower total ram size. -- Regards, --Bob -- 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/