From mboxrd@z Thu Jan 1 00:00:00 1970 Path: main.gmane.org!not-for-mail From: storm@cua.dk (Kim F. Storm) Newsgroups: gmane.emacs.devel Subject: Re: Improving emacs process performance (for free?) Date: 28 May 2004 11:19:43 +0200 Sender: emacs-devel-bounces+emacs-devel=quimby.gnus.org@gnu.org Message-ID: References: NNTP-Posting-Host: deer.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: sea.gmane.org 1085756915 5600 80.91.224.253 (28 May 2004 15:08:35 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Fri, 28 May 2004 15:08:35 +0000 (UTC) Cc: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+emacs-devel=quimby.gnus.org@gnu.org Fri May 28 17:08:02 2004 Return-path: Original-Received: from quimby.gnus.org ([80.91.224.244]) by deer.gmane.org with esmtp (Exim 3.35 #1 (Debian)) id 1BTixl-0001Ba-00 for ; Fri, 28 May 2004 17:08:01 +0200 Original-Received: from monty-python.gnu.org ([199.232.76.173]) by quimby.gnus.org with esmtp (Exim 3.35 #1 (Debian)) id 1BTixl-0001rg-00 for ; Fri, 28 May 2004 17:08:01 +0200 Original-Received: from localhost ([127.0.0.1] helo=monty-python.gnu.org) by monty-python.gnu.org with esmtp (Exim 4.34) id 1BTisx-0008Jx-WA for emacs-devel@quimby.gnus.org; Fri, 28 May 2004 11:03:04 -0400 Original-Received: from list by monty-python.gnu.org with tmda-scanned (Exim 4.34) id 1BTisj-0008Iy-68 for emacs-devel@gnu.org; Fri, 28 May 2004 11:02:49 -0400 Original-Received: from mail by monty-python.gnu.org with spam-scanned (Exim 4.34) id 1BTis9-0008CX-V6 for emacs-devel@gnu.org; Fri, 28 May 2004 11:02:46 -0400 Original-Received: from [212.88.64.25] (helo=mail-relay.sonofon.dk) by monty-python.gnu.org with smtp (Exim 4.34) id 1BTdWc-00014Q-1q for emacs-devel@gnu.org; Fri, 28 May 2004 05:19:43 -0400 Original-Received: (qmail 14274 invoked from network); 28 May 2004 09:19:36 -0000 Original-Received: from unknown (HELO kfs-l.imdomain.dk.cua.dk) (213.83.150.2) by 0 with SMTP; 28 May 2004 09:19:36 -0000 Original-To: Andreas Schwab In-Reply-To: Original-Lines: 19 User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3.50 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.4 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+emacs-devel=quimby.gnus.org@gnu.org Xref: main.gmane.org gmane.emacs.devel:24082 X-Report-Spam: http://spam.gmane.org/gmane.emacs.devel:24082 Andreas Schwab writes: > storm@cua.dk (Kim F. Storm) writes: > > > I have previously reported the results of a test that I made to measure > > emacs' process output handling speed, which indicated that we could > > almost double the performance (at least on GNU/Linux) simply by > > increasing the size of the read buffer from 1K to 10K. > > Maybe using a page sized buffer would even be better. Probably. Or we can just use 4096 bytes for simplicity (that's still the page size on most systems I think). I don't have time to redo the measurements, so let's just do that change. -- Kim F. Storm http://www.cua.dk