Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com Date: Thu, 24 Oct 2002 12:42:35 -0400 From: Christopher Faylor To: cygwin@cygwin.com Subject: Re: Assymetric network performance on cygwin Message-ID: <20021024164235.GA28300@redhat.com> Reply-To: cygwin@cygwin.com Mail-Followup-To: cygwin@cygwin.com References: <3DB820C3.9C7AFA4D@sophia.inria.fr> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3DB820C3.9C7AFA4D@sophia.inria.fr> User-Agent: Mutt/1.5.1i On Thu, Oct 24, 2002 at 06:33:07PM +0200, David Geldreich wrote: >my previous RPC bandwidth problem is in fact a tcp performance problem >under cygwin. > >I have compiled ttcp (from >http://programming.ccp14.ac.uk/ftp-mirror/programming/cygwin/pub/cygwin/release/ttcp/) >under cygwin > >And I get the following bandwidth (I am on a 100Mbit switched network)!!! > >cygwin (ttcp -r -s -fm) <- linux (ttcp -t -s -fm) : 20Mbit linux (ttcp >-r -s -fm) <- cygwin (ttcp -t -s -fm) : 64Mbit > >With native winsocket wsttcp (http://www.winsite.com/bin/Info?5896 Wow. Looks like you should definitely be using linux. cgf -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Bug reporting: http://cygwin.com/bugs.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/