From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id A4CC42B9D for ; Wed, 9 Mar 2016 02:05:08 +0100 (CET) Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga102.fm.intel.com with ESMTP; 08 Mar 2016 17:05:07 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.22,559,1449561600"; d="scan'208";a="666153321" Received: from fmsmsx106.amr.corp.intel.com ([10.18.124.204]) by FMSMGA003.fm.intel.com with ESMTP; 08 Mar 2016 17:05:07 -0800 Received: from fmsmsx154.amr.corp.intel.com (10.18.116.70) by FMSMSX106.amr.corp.intel.com (10.18.124.204) with Microsoft SMTP Server (TLS) id 14.3.248.2; Tue, 8 Mar 2016 17:05:07 -0800 Received: from shsmsx101.ccr.corp.intel.com (10.239.4.153) by FMSMSX154.amr.corp.intel.com (10.18.116.70) with Microsoft SMTP Server (TLS) id 14.3.248.2; Tue, 8 Mar 2016 17:05:06 -0800 Received: from shsmsx103.ccr.corp.intel.com ([169.254.4.24]) by SHSMSX101.ccr.corp.intel.com ([169.254.1.136]) with mapi id 14.03.0248.002; Wed, 9 Mar 2016 09:05:04 +0800 From: "Liu, Yong" To: "Fu, JingguoX" , "dts@dpdk.org" Thread-Topic: [DTS][PATCH 1/2] unit test: add memcpy performance unit test plan Thread-Index: AQHReP4uRW+xmXovaEmqyR2hcZ5flp9QStmQ Date: Wed, 9 Mar 2016 01:05:04 +0000 Message-ID: <86228AFD5BCD8E4EBFD2B90117B5E81E145056CE@SHSMSX103.ccr.corp.intel.com> References: <1457416106-17525-1-git-send-email-jingguox.fu@intel.com> In-Reply-To: <1457416106-17525-1-git-send-email-jingguox.fu@intel.com> Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsMyIsImlkIjoiN2ZkZTQ4M2ItMjQ1ZC00MDkyLTg3OTEtNTk1Y2NkZDBiNDViIiwicHJvcHMiOlt7Im4iOiJDVFBDbGFzc2lmaWNhdGlvbiIsInZhbHMiOlt7InZhbHVlIjoiQ1RQX0lDIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE1LjkuNi42IiwiVHJ1c3RlZExhYmVsSGFzaCI6ImE4NFJiR0RWQTNsckVmVEZVYkVYRm9MMFh5QVNWWnFBXC81dWJiY0cxSmRRPSJ9 x-ctpclassification: CTP_IC x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="iso-2022-jp" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Cc: Jingguo Fu Subject: Re: [dts] [DTS][PATCH 1/2] unit test: add memcpy performance unit test plan X-BeenThere: dts@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: test suite reviews and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 09 Mar 2016 01:05:09 -0000 Jingguo, some comments below. > -----Original Message----- > From: Fu, JingguoX > Sent: Tuesday, March 08, 2016 1:48 PM > To: dts@dpdk.org > Cc: Liu, Yong; Xu, Qian Q; Jingguo Fu > Subject: [DTS][PATCH 1/2] unit test: add memcpy performance unit test > plan >=20 > From: Jingguo Fu >=20 > case name: memcpy_perf_analysis > it will show four ratio value for the performance >=20 > Signed-off-by: Jingguo Fu > --- > test_plans/unit_tests_memcpy_perf_test_plan.rst | 69 > +++++++++++++++++++++++++ > 1 file changed, 69 insertions(+) > create mode 100644 test_plans/unit_tests_memcpy_perf_test_plan.rst >=20 > diff --git a/test_plans/unit_tests_memcpy_perf_test_plan.rst > b/test_plans/unit_tests_memcpy_perf_test_plan.rst > new file mode 100644 > index 0000000..35b646b > --- /dev/null > +++ b/test_plans/unit_tests_memcpy_perf_test_plan.rst > @@ -0,0 +1,69 @@ > +.. Copyright (c) <2010, 2016>, Intel Corporation > + All rights reserved. > + > + Redistribution and use in source and binary forms, with or without > + modification, are permitted provided that the following conditions > + are met: > + > + - Redistributions of source code must retain the above copyright > + notice, this list of conditions and the following disclaimer. > + > + - Redistributions in binary form must reproduce the above copyright > + notice, this list of conditions and the following disclaimer in > + the documentation and/or other materials provided with the > + distribution. > + > + - Neither the name of Intel Corporation nor the names of its > + contributors may be used to endorse or promote products derived > + from this software without specific prior written permission. > + > + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS > + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT > + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS > + FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE > + COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, > + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES > + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR > + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) > + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, > + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) > + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED > + OF THE POSSIBILITY OF SUCH DAMAGE. > + > +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > +Test suite description > +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > + > +This document is for dpdk unit test: memcpy performance auto test. > +For this suite, manily aims to analysis the cache to cache memcopy Typo, should be "mainly" and "memcpy". > +performance after run the memcpy performance unit test. > + > +The performance data is divided into four parts. Each part has two > +colums data for cache to cache performance. After extract the data, Could you show one basic sample for performance data, it=1B$B!G=1B(Bs hard = to understand from your description. > +compute the geomatric mean for each colum, and then let the second > +geomatric divide the first goematric mean, then get the ratio of the > +two geomatric means. > + > +if the ratio greater than 1, then the test got a great performance. > + > + > +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > +Prerequisites > +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > + > +Test Case: memcpy_perf_analysis > +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D > + > +1. run memcpy_perf unit test > + ./x86_64-native-linuxapp-gcc/app/test -c f -n 1 > + memcpy_perf_autotest > + quit > + performance data stored in memcpy_perf_auto.log file > + > +2. copy log file to current server > +3. analysis the data > ++--------------------+-----------------------+------------------+------- > --------------+ > +| 32B Aligned(ticks) | 32B Aligned CT(ticks) | Unaligned(ticks) | > Unaligned CT(ticks) | > ++=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D+=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D+=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D+=3D=3D=3D=3D=3D=3D=3D > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D+ > +| 1.893 | 2.509 | 1.507 | 1.500 > | > ++--------------------+-----------------------+------------------+------- > --------------+ Could you give basic description of "CT"=1B$B!$=1B(B it=1B$B!G=1B(Bs hard t= o understand the meaning of it. > -- > 1.9.3