From owner-freebsd-current Wed Nov 24 8:41:50 1999 Delivered-To: freebsd-current@freebsd.org Received: from luna.lyris.net (luna.shelby.com [207.90.155.6]) by hub.freebsd.org (Postfix) with ESMTP id 41AE514E7C for ; Wed, 24 Nov 1999 08:41:41 -0800 (PST) (envelope-from kip@lyris.com) Received: from luna.shelby.com by luna.lyris.net (8.9.1b+Sun/SMI-SVR4) id IAA27931; Wed, 24 Nov 1999 08:41:19 -0800 (PST) Received: from (luna.shelby.com [207.90.155.6]) by luna.shelby.com with SMTP (MailShield v1.50); Wed, 24 Nov 1999 08:41:19 -0800 Date: Wed, 24 Nov 1999 08:41:19 -0800 (PST) From: Kip Macy X-Sender: kip@luna To: Nick Hilliard Cc: current@freebsd.org Subject: Re: Threads and my new job. In-Reply-To: <199911241331.NAA05935@beckett.earlsfort.iol.ie> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-SMTP-HELO: luna X-SMTP-MAIL-FROM: kip@lyris.com X-SMTP-RCPT-TO: nick@iol.ie,current@freebsd.org X-SMTP-PEER-INFO: luna.shelby.com [207.90.155.6] Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG I will admit that I have had odd behaviours with threads in developing Lyris on FreeBSD that I have not seen on Solaris, NT, or Linux. I will see things like what appears to be the thread scheduler stop scheduling threads and just do a busy wait. I have not tracked it down any further for lack of time. -Kip On Wed, 24 Nov 1999, Nick Hilliard wrote: > > Why do we need to smite the Linux database servers? With threads in their > > current state they already outperform Linux's native threads by ~50x for > > things like sending mail. I would assume that the differences in database > > performance is similar. > > The threads (& the old nfs issues which have now thankfully been fixed) in > their current state led bCandid to write about the Cyclone news router: > > : Issues the w/FreeBSD kernel and buggy threads have required our development > : team to wait until improvements to the OS can be made. We did have a beta > : posted on our website for a while but have since removed it. > > disclaimer: I am not a thread hacker. > > Nick > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-current" in the body of the message > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message