From owner-freebsd-hackers Sun Dec 2 12:27:45 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from fledge.watson.org (fledge.watson.org [204.156.12.50]) by hub.freebsd.org (Postfix) with ESMTP id 4E55937B405 for ; Sun, 2 Dec 2001 12:27:41 -0800 (PST) Received: from localhost (arr@localhost) by fledge.watson.org (8.11.6/8.11.5) with SMTP id fB2KRDv20361; Sun, 2 Dec 2001 15:27:13 -0500 (EST) (envelope-from arr@FreeBSD.org) X-Authentication-Warning: fledge.watson.org: arr owned process doing -bs Date: Sun, 2 Dec 2001 15:27:12 -0500 (EST) From: "Andrew R. Reiter" X-Sender: arr@fledge.watson.org To: Lamont Granquist Cc: Matthew Dillon , Richard Sharpe , freebsd-hackers@FreeBSD.org Subject: Re: Patch #3 (TCP / Linux / Performance) In-Reply-To: <20011202121147.G92925-100000@coredump.scriptkiddie.org> Message-ID: 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 Sun, 2 Dec 2001, Lamont Granquist wrote: : :What is the remaining bottleneck in these tests? CPU? Interrupts? What :would you need to do to get that closer to the theoretical limit :(something around 920 Mbs for GigE IIRC)? Well, for one thing, I'd imagine that per-byte and per-copy overheads still exist since we're not in a zero-copy environment. -- Andrew R. Reiter arr@watson.org arr@FreeBSD.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message