From owner-freebsd-performance@FreeBSD.ORG Wed Nov 7 05:36:34 2007 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id F1E3016A419 for ; Wed, 7 Nov 2007 05:36:34 +0000 (UTC) (envelope-from josh.carroll@gmail.com) Received: from py-out-1112.google.com (py-out-1112.google.com [64.233.166.182]) by mx1.freebsd.org (Postfix) with ESMTP id A06EC13C4AA for ; Wed, 7 Nov 2007 05:36:34 +0000 (UTC) (envelope-from josh.carroll@gmail.com) Received: by py-out-1112.google.com with SMTP id u77so4378381pyb for ; Tue, 06 Nov 2007 21:36:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:reply-to:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; bh=LEk9/nfCxQNt5bCTWq9afrHYZ8Zvt363DX/saL+VtHk=; b=tByvllE+cN6tGDsu8XoYXsaRJsk5TPVaYasEsbML9Jd9ypl44e7FYoIZFs8jruutbJiqSBqG20yBcr5NfeiAgKe8YPIgCvnauqUkTTB3hraXFYbjbI+dR3MaLG2J1U7zabvicHWmBw6zedV2ycSNBtqeHwHHdqmLy36scPF2S+U= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:reply-to:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=kHgU6MSuOWWk2AxbJ1MrsADtmNVXOSMXYdBU1ry1nE0qzqtPF2eytlclJBKEBA2jGNrBAhw6+UIdsJQtYxOJESabdYUjS7vsXNgZxGvx+mJEWEXMQvu3ekVZhBAKNZd4cuKw6by5CBCSytVEw5Od4Bb4ejlb/BuS6u4Cl3CgsIk= Received: by 10.35.128.1 with SMTP id f1mr8418394pyn.1194413784960; Tue, 06 Nov 2007 21:36:24 -0800 (PST) Received: by 10.35.110.17 with HTTP; Tue, 6 Nov 2007 21:36:24 -0800 (PST) Message-ID: <8cb6106e0711062136r18ca8e67sbdb4d4372e10e086@mail.gmail.com> Date: Tue, 6 Nov 2007 21:36:24 -0800 From: "Josh Carroll" To: "Jeff Roberson" In-Reply-To: <20071106171059.M544@10.0.0.1> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <8cb6106e0710230902x4edf2c8eu2d912d5de1f5d4a2@mail.gmail.com> <20071103121921.M544@10.0.0.1> <8cb6106e0711031416l4183e2beueb87fade0d56f504@mail.gmail.com> <20071103133711.Q544@10.0.0.1> <8cb6106e0711032221i2ecf1d59ge82f368d4162a827@mail.gmail.com> <20071104122546.S544@10.0.0.1> <8cb6106e0711041243s37ef92e3i9c5c79827f547dbb@mail.gmail.com> <20071104151722.M544@10.0.0.1> <8cb6106e0711050141g674a7733h53f7e6a20e75ad07@mail.gmail.com> <20071106171059.M544@10.0.0.1> Cc: freebsd-performance@freebsd.org Subject: Re: ULE vs. 4BSD in RELENG_7 X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: josh.carroll@gmail.com List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 07 Nov 2007 05:36:35 -0000 > That's expected due to the fuzzy rounding of 128 / 10, etc. Can you set > slice_min and slice both equal to 7 and see if the numbers come out > better than without the patch but with a slice value of 7? Basically I'm > trying to isolate the effects of the different slice handling in this > patch from the other changes. Here are the results. Looks like setting slice_min and slice to 7 degraded performance for all work loads. Should I try any other settings for slice and slice_min? ffmpeg: 1:39.91 sysbench (4, 8, 12, 16 threads respectively): 2013.78 2157.6 2175.91 2184.16 And buildworld time: 14m7.517s Thanks! Josh