From owner-freebsd-threads@FreeBSD.ORG Wed Jun 16 05:53:17 2004 Return-Path: Delivered-To: freebsd-threads@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 8CB7E16A4CE; Wed, 16 Jun 2004 05:53:17 +0000 (GMT) Received: from fledge.watson.org (fledge.watson.org [204.156.12.50]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1E26743D1D; Wed, 16 Jun 2004 05:53:17 +0000 (GMT) (envelope-from robert@fledge.watson.org) Received: from fledge.watson.org (localhost [127.0.0.1]) by fledge.watson.org (8.12.11/8.12.11) with ESMTP id i5G5phEG084287; Wed, 16 Jun 2004 01:51:43 -0400 (EDT) (envelope-from robert@fledge.watson.org) Received: from localhost (robert@localhost)i5G5phga084284; Wed, 16 Jun 2004 01:51:43 -0400 (EDT) (envelope-from robert@fledge.watson.org) Date: Wed, 16 Jun 2004 01:51:42 -0400 (EDT) From: Robert Watson X-Sender: robert@fledge.watson.org To: Julian Elischer In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: mike cc: freebsd-current@freebsd.org cc: freebsd-threads@freebsd.org Subject: Re: Possible Threading problem with -CURRENT / MySQL? X-BeenThere: freebsd-threads@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Threading on FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 16 Jun 2004 05:53:17 -0000 On Wed, 16 Jun 2004, Robert Watson wrote: > Netperf-UP-giant 4902.41 14.3 > Netperf-SMP-giant 2566.18 16.83 > Netperf-UP-mpsafe 4799.35 22.04 > Netperf-SMP-mpsafe 3022.51 18.06 FYI, when I add ADAPTIVE_MUTEXES on this box, the mean of 3000 q/s goes to 4000 q/s on the netperf+smp+mpsafenet number. I'm off to bed now, but it seems like (at least in the HTT configuration), it makes a big difference. I'll run the remainder of that set with ADAPTIVE_MUTEXES tomorrow as well. Robert N M Watson FreeBSD Core Team, TrustedBSD Projects robert@fledge.watson.org Senior Research Scientist, McAfee Research