X-Spam-Check-By: sourceware.org Message-ID: Date: Thu, 7 Jun 2007 14:39:17 -0400 From: "Lev Bishop" To: cygwin@cygwin.com Subject: Re: [ANNOUNCEMENT] New package: brltty 3.8 In-Reply-To: <20070607174554.GH4110@implementation> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Disposition: inline References: <20070606085100.GA5082@implementation> <20070606192445.GG6500@implementation> <20070606201111.GA2366@ednor.casa1.cgf.cx> <20070607114950.GA3958@implementation> <20070607122642.GA31803@trixie.casa.cgf.cx> <20070607160859.GA3577@implementation> <20070607163744.GA4972@ednor.casa1.cgf.cx> <20070607164933.GF4110@implementation> <20070607174554.GH4110@implementation> Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: 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 Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by delorie.com id l57IdXh7005907 On 6/7/07, Samuel Thibault wrote: > Lev Bishop, le Thu 07 Jun 2007 13:41:44 -0400, a écrit : > > ...around 80MByte/sec, which maybe isn't as fast as it could be using > > native functionality, but surely brltty doesn't need *that* much > > bandwidth for transferring text? > > It doesn't need bandwidth, it needs latency. Latency is... bash-3.2$ ./socat TCP-LISTEN:5001 PIPE & exec 99<>/dev/tcp/127.0.0.1/5001 ; time for (( a=0; a<1000; a++ )); do echo $a >&99; read <&99; done; exec 99>&- [1] 4492 real 0m1.959s user 0m0.062s sys 0m0.172s bash-3.2$ [1]+ Done ./socat TCP-LISTEN:5001 PIPE ...about 2ms round-trip. How is this a problem? Lev -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/