From owner-freebsd-hackers Wed Apr 3 23:26:44 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from patrocles.silby.com (d30.as13.nwbl0.wi.voyager.net [169.207.135.158]) by hub.freebsd.org (Postfix) with ESMTP id 7EC6037B419 for ; Wed, 3 Apr 2002 23:26:41 -0800 (PST) Received: from patrocles.silby.com (localhost [127.0.0.1]) by patrocles.silby.com (8.12.2/8.12.2) with ESMTP id g34DPQUH062164; Thu, 4 Apr 2002 07:25:26 -0600 (CST) (envelope-from silby@silby.com) Received: from localhost (silby@localhost) by patrocles.silby.com (8.12.2/8.12.2/Submit) with ESMTP id g34DPHAl062156; Thu, 4 Apr 2002 07:25:24 -0600 (CST) X-Authentication-Warning: patrocles.silby.com: silby owned process doing -bs Date: Thu, 4 Apr 2002 07:25:17 -0600 (CST) From: Mike Silbersack To: Zwane Mwaikambo Cc: John Regehr , Julian Elischer , Subject: Re: Linuxthreads on Linux vs FreeBSD performance question In-Reply-To: Message-ID: <20020404072359.E62127-100000@patrocles.silby.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Thu, 4 Apr 2002, Zwane Mwaikambo wrote: > On Wed, 3 Apr 2002, John Regehr wrote: > > > > > Have you tried benchmarking process to process context switch times to see > > > > if the results are similar? > > > > No, that's a good idea. My infrastructure isn't set up to support > > processes, though, so it'll take a little time. > > I'd be surprised if there was a difference in context switch times... Well, there would be if the linux kernel has specific task-switching optimizations for threads. That would tell us if the overhead is linuxthread-specific, or generalized. Mike "Silby" Silbersack To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message