From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Gregory Haskins" Subject: Re: cyclic test results on 8 way (2.6.23.1-rt7 through 2.6.23.1-rt11) Date: Thu, 08 Nov 2007 08:56:07 -0500 Message-ID: <4732CF27.BA47.005A.0@novell.com> References: <200711072334.40216.dvhltc@us.ibm.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="=__Part6E481767.3__=" Cc: "Steven Rostedt" , "Thomas Gleixner" To: "Darren Hart" , "RT" Return-path: Received: from mcclure-nat.wal.novell.com ([130.57.22.22]:41698 "EHLO mcclure.wal.novell.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753964AbXKHN7E (ORCPT ); Thu, 8 Nov 2007 08:59:04 -0500 In-Reply-To: <200711072334.40216.dvhltc@us.ibm.com> Sender: linux-rt-users-owner@vger.kernel.org List-Id: linux-rt-users.vger.kernel.org --=__Part6E481767.3__= Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Content-Disposition: inline >>> On Thu, Nov 8, 2007 at 2:34 AM, in message <200711072334.40216.dvhltc@us.ibm.com>, Darren Hart = wrote: > Greg, >=20 > Here are the results I promised you. Darren, First off, thanks a bunch for running through those tests! > I don't think they are particularly interesting They *are* interesting in the sense that peaks of 40ish for an 8-way are = excellent IMO ;) But yeah, i see what you mean; theres no interesting = difference between them. Do you have any comparative data from runs in -rt1 or earlier kernels? > perhaps more iterations, say 1000000?=20 We generally load the system up a lot more (e.g. "make -j 128") or let it = run for a long time with the make in a loop (or both). For instance, here = is the last data I gathered (with plot attached). This was for a single = pass of "make mrproper; make allmodconfig; time make -j 128" =20 23.1-rt7 ----------------- real 10m49.312s user 49m59.674s sys 16m15.404s 26.38 76.02 56.11 1/304 21301 T: 0 ( 5959) P:90 I:100 C:7500381 Min: 2 Act: 2 Avg: 4 Max: = 78 T: 1 ( 5960) P:89 I:200 C:3750191 Min: 2 Act: 3 Avg: 5 Max: = 91 T: 2 ( 5961) P:88 I:300 C:2500127 Min: 2 Act: 3 Avg: 4 Max: = 66 T: 3 ( 5962) P:87 I:400 C:1875096 Min: 2 Act: 5 Avg: 6 Max: = 106 T: 4 ( 5963) P:86 I:500 C:1500077 Min: 2 Act: 6 Avg: 5 Max: = 92 T: 5 ( 5964) P:85 I:600 C:1250064 Min: 2 Act: 5 Avg: 6 Max: = 93 T: 6 ( 5965) P:84 I:700 C:1071483 Min: 2 Act: 3 Avg: 6 Max: = 78 T: 7 ( 5966) P:83 I:800 C: 937548 Min: 2 Act: 5 Avg: 6 Max: = 97 23.1-rt10 ----------------- real 10m39.046s user 56m31.662s sys 12m51.158s 7.64 63.88 62.70 1/291 30774 T: 0 (15455) P:90 I:100 C:8001856 Min: 2 Act: 3 Avg: 4 Max: = 65 T: 1 (15456) P:89 I:200 C:4000928 Min: 2 Act: 3 Avg: 4 Max: = 46 T: 2 (15457) P:88 I:300 C:2667286 Min: 2 Act: 3 Avg: 5 Max: = 54 T: 3 (15458) P:87 I:400 C:2000464 Min: 2 Act: 3 Avg: 5 Max: = 46 T: 4 (15459) P:86 I:500 C:1600372 Min: 2 Act: 3 Avg: 5 Max: = 46 T: 5 (15460) P:85 I:600 C:1333643 Min: 2 Act: 5 Avg: 5 Max: = 75 T: 6 (15461) P:84 I:700 C:1143123 Min: 2 Act: 5 Avg: 6 Max: = 52 T: 7 (15462) P:83 I:800 C:1000232 Min: 2 Act: 4 Avg: 5 Max: = 66 23.1-rt11 ----------------- real 10m41.610s user 55m37.065s sys 13m16.394s 101.92 101.56 61.65 1/308 21349 T: 0 ( 6028) P:90 I:100 C:6584414 Min: 2 Act: 3 Avg: 4 Max: = 55 T: 1 ( 6029) P:89 I:200 C:3292207 Min: 2 Act: 6 Avg: 5 Max: = 58 T: 2 ( 6030) P:88 I:300 C:2194805 Min: 2 Act: 5 Avg: 5 Max: = 54 T: 3 ( 6031) P:87 I:400 C:1646104 Min: 2 Act: 5 Avg: 5 Max: = 79 T: 4 ( 6032) P:86 I:500 C:1316883 Min: 2 Act: 5 Avg: 5 Max: = 60 T: 5 ( 6033) P:85 I:600 C:1097403 Min: 2 Act: 5 Avg: 6 Max: = 45 T: 6 ( 6034) P:84 I:700 C: 940631 Min: 2 Act: 3 Avg: 6 Max: = 45 T: 7 ( 6035) P:83 I:800 C: 823052 Min: 2 Act: 5 Avg: 6 Max: = 47 As Steven Rostedt pointed out on IRC, numbers coming from me are suspect = ;). But we can at least use them to see if you can repro similar results. Thanks again! 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