From owner-freebsd-questions Thu Jul 18 8:50:39 2002 Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id DCCDC37B401 for ; Thu, 18 Jul 2002 08:50:35 -0700 (PDT) Received: from gatekeeper.kwcorp.com (gatekeeper.kwcorp.com [209.83.143.146]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4C89643E6D for ; Thu, 18 Jul 2002 08:50:34 -0700 (PDT) (envelope-from jwest@classiccmp.org) Received: (from nobody@localhost) by gatekeeper.kwcorp.com (8.8.7/8.8.7) id KAA02370 for ; Thu, 18 Jul 2002 10:50:27 -0500 (CDT) (envelope-from jwest@classiccmp.org) X-Authentication-Warning: gatekeeper.kwcorp.com: nobody set sender to using -f Received: from ted.kwcorp.com(192.168.1.247) by gatekeeper via smap (V2.1) id xma002259; Thu, 18 Jul 02 10:49:45 -0500 Received: from 192.168.1.24 by ted.kwcorp.com (InterScan E-Mail VirusWall NT); Thu, 18 Jul 2002 10:56:49 -0500 Received: from HPLAPTOP [192.168.1.151] by imail.kwcorp.com (SMTPD32-7.10) id A3BF79B0118; Thu, 18 Jul 2002 10:50:23 -0500 Message-ID: <01b501c22e72$acb7a0a0$9701a8c0@HPLAPTOP> From: "Jay West" To: Subject: Repost: Why are IPC message queues incredibly slow? Date: Thu, 18 Jul 2002 10:49:17 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG I posted this here a week ago, but got no responses. Is there a better list I should direct this type of question to, a developers list for freebsd or something? Any thoughts appreciated! Jay West ----- Original Message ----- From: "Jay West" To: Sent: Tuesday, July 09, 2002 3:15 PM Subject: Why are IPC message queues incredibly slow? > I'm writing a rather major project under FreeBSD, and making fairly heavy > use of message queues so that multiple processes can communicate. I am > finding the response times for message delivery between two given processes > to be pretty horrid, typically about 1 second per message set (send query > from process A to process B, then process B sends a response back to process > A and process A displays the response). > > Before I contemplate switching to named pipes or writing my own > communications structure in shared memory, can someone tell me if there is > anything that can be tuned in the kernel perhaps, or anything that will > speed up message queue processing? > > THANKS! > > Jay West > > > > > --- > [This E-mail scanned for viruses by Declude Virus] > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > > --- [This E-mail scanned for viruses by Declude Virus] To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message