Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752705AbbLDG0F (ORCPT ); Fri, 4 Dec 2015 01:26:05 -0500 Received: from mga01.intel.com ([192.55.52.88]:36967 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751010AbbLDG0D (ORCPT ); Fri, 4 Dec 2015 01:26:03 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,380,1444719600"; d="scan'208";a="834062449" Date: Fri, 4 Dec 2015 14:25:52 +0800 From: Aaron Lu To: Vlastimil Babka Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Joonsoo Kim , Rik van Riel , David Rientjes , Mel Gorman , Minchan Kim Subject: Re: [RFC 0/3] reduce latency of direct async compaction Message-ID: <20151204062552.GA2243@aaronlu.sh.intel.com> References: <1449130247-8040-1-git-send-email-vbabka@suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1449130247-8040-1-git-send-email-vbabka@suse.cz> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4951 Lines: 115 On Thu, Dec 03, 2015 at 09:10:44AM +0100, Vlastimil Babka wrote: > Aaron, could you try this on your testcase? One time result isn't stable enough, so I did 9 runs for each commit, here is the result: base: 25364a9e54fb8296837061bf684b76d20eec01fb head: 7433b1009ff5a02e1e9f3444802daba2cf385d27 (head = base + this_patch_serie) The always-always case(transparent_hugepage set to always and defrag set to always): Result for base: $ cat {0..8}/swap cmdline: /lkp/aaron/src/bin/usemem 100000622592 100000622592 transferred in 103 seconds, throughput: 925 MB/s cmdline: /lkp/aaron/src/bin/usemem 99999559680 99999559680 transferred in 92 seconds, throughput: 1036 MB/s cmdline: /lkp/aaron/src/bin/usemem 99996171264 99996171264 transferred in 92 seconds, throughput: 1036 MB/s cmdline: /lkp/aaron/src/bin/usemem 100005663744 100005663744 transferred in 150 seconds, throughput: 635 MB/s cmdline: /lkp/aaron/src/bin/usemem 100002966528 100002966528 transferred in 87 seconds, throughput: 1096 MB/s cmdline: /lkp/aaron/src/bin/usemem 99995784192 99995784192 transferred in 131 seconds, throughput: 727 MB/s cmdline: /lkp/aaron/src/bin/usemem 100003731456 100003731456 transferred in 97 seconds, throughput: 983 MB/s cmdline: /lkp/aaron/src/bin/usemem 100006440960 100006440960 transferred in 109 seconds, throughput: 874 MB/s cmdline: /lkp/aaron/src/bin/usemem 99998813184 99998813184 transferred in 122 seconds, throughput: 781 MB/s Max: 1096 MB/s Min: 635 MB/s Avg: 899 MB/s Result for head: $ cat {0..8}/swap cmdline: /lkp/aaron/src/bin/usemem 100003163136 100003163136 transferred in 105 seconds, throughput: 908 MB/s cmdline: /lkp/aaron/src/bin/usemem 99998524416 99998524416 transferred in 78 seconds, throughput: 1222 MB/s cmdline: /lkp/aaron/src/bin/usemem 99993646080 99993646080 transferred in 108 seconds, throughput: 882 MB/s cmdline: /lkp/aaron/src/bin/usemem 99998936064 99998936064 transferred in 114 seconds, throughput: 836 MB/s cmdline: /lkp/aaron/src/bin/usemem 100002204672 100002204672 transferred in 73 seconds, throughput: 1306 MB/s cmdline: /lkp/aaron/src/bin/usemem 99998140416 99998140416 transferred in 146 seconds, throughput: 653 MB/s cmdline: /lkp/aaron/src/bin/usemem 100002941952 100002941952 transferred in 78 seconds, throughput: 1222 MB/s cmdline: /lkp/aaron/src/bin/usemem 99996917760 99996917760 transferred in 109 seconds, throughput: 874 MB/s cmdline: /lkp/aaron/src/bin/usemem 100001405952 100001405952 transferred in 96 seconds, throughput: 993 MB/s Max: 1306 MB/s Min: 653 MB/s Avg: 988 MB/s Result for v4.3 as a reference: $ cat {0..8}/swap cmdline: /lkp/aaron/src/bin/usemem 100002459648 100002459648 transferred in 96 seconds, throughput: 993 MB/s cmdline: /lkp/aaron/src/bin/usemem 99997375488 99997375488 transferred in 96 seconds, throughput: 993 MB/s cmdline: /lkp/aaron/src/bin/usemem 99999028224 99999028224 transferred in 107 seconds, throughput: 891 MB/s cmdline: /lkp/aaron/src/bin/usemem 100000137216 100000137216 transferred in 91 seconds, throughput: 1047 MB/s cmdline: /lkp/aaron/src/bin/usemem 100003835904 100003835904 transferred in 80 seconds, throughput: 1192 MB/s cmdline: /lkp/aaron/src/bin/usemem 100000143360 100000143360 transferred in 96 seconds, throughput: 993 MB/s cmdline: /lkp/aaron/src/bin/usemem 100020593664 100020593664 transferred in 101 seconds, throughput: 944 MB/s cmdline: /lkp/aaron/src/bin/usemem 100005805056 100005805056 transferred in 87 seconds, throughput: 1096 MB/s cmdline: /lkp/aaron/src/bin/usemem 100008360960 100008360960 transferred in 74 seconds, throughput: 1288 MB/s Max: 1288 MB/s Min: 891 MB/s Avg: 1048 MB/s The always-never case: Result for head: $ cat {0..8}/swap cmdline: /lkp/aaron/src/bin/usemem 100003940352 100003940352 transferred in 71 seconds, throughput: 1343 MB/s cmdline: /lkp/aaron/src/bin/usemem 100007411712 100007411712 transferred in 62 seconds, throughput: 1538 MB/s cmdline: /lkp/aaron/src/bin/usemem 100001875968 100001875968 transferred in 64 seconds, throughput: 1490 MB/s cmdline: /lkp/aaron/src/bin/usemem 100003912704 100003912704 transferred in 62 seconds, throughput: 1538 MB/s cmdline: /lkp/aaron/src/bin/usemem 100002238464 100002238464 transferred in 66 seconds, throughput: 1444 MB/s cmdline: /lkp/aaron/src/bin/usemem 100003670016 100003670016 transferred in 65 seconds, throughput: 1467 MB/s cmdline: /lkp/aaron/src/bin/usemem 99998364672 99998364672 transferred in 68 seconds, throughput: 1402 MB/s cmdline: /lkp/aaron/src/bin/usemem 100005417984 100005417984 transferred in 70 seconds, throughput: 1362 MB/s cmdline: /lkp/aaron/src/bin/usemem 100005304320 100005304320 transferred in 64 seconds, throughput: 1490 MB/s Max: 1538 MB/s Min: 1343 MB/s Avg: 1452 MB/s -- 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/