From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.devel Subject: Re: Emacs-26 threads problem [win64] Date: Sat, 14 Oct 2017 02:31:34 -0700 Organization: UCLA Computer Science Department Message-ID: References: <83h8v7r02e.fsf@gnu.org> <83vajnotik.fsf@gnu.org> <83r2ubosnd.fsf@gnu.org> <83fuaqpzaq.fsf@gnu.org> <837ew2pxx9.fsf@gnu.org> <83efq6khh3.fsf@gnu.org> <8ad9b8d2-1c9e-2db0-f166-58d08ea8321a@cs.ucla.edu> <837evyjkej.fsf@gnu.org> <6d41986e-2134-76df-ca37-2f394f1fa81e@cs.ucla.edu> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: blaine.gmane.org 1507973510 5336 195.159.176.226 (14 Oct 2017 09:31:50 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 14 Oct 2017 09:31:50 +0000 (UTC) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 Cc: Eli Zaretskii , fabrice.popineau@gmail.com, emacs-devel@gnu.org To: Andreas Schwab Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat Oct 14 11:31:45 2017 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1e3InG-0000Lc-2O for ged-emacs-devel@m.gmane.org; Sat, 14 Oct 2017 11:31:42 +0200 Original-Received: from localhost ([::1]:53359 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e3InN-00029t-H0 for ged-emacs-devel@m.gmane.org; Sat, 14 Oct 2017 05:31:49 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:51933) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e3InG-00029l-AY for emacs-devel@gnu.org; Sat, 14 Oct 2017 05:31:43 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e3InF-0005Gu-ON for emacs-devel@gnu.org; Sat, 14 Oct 2017 05:31:42 -0400 Original-Received: from zimbra.cs.ucla.edu ([131.179.128.68]:33080) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1e3InB-0005FX-TR; Sat, 14 Oct 2017 05:31:38 -0400 Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 0EE9C160E65; Sat, 14 Oct 2017 02:31:37 -0700 (PDT) Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id ysSppGCKZsjK; Sat, 14 Oct 2017 02:31:36 -0700 (PDT) Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 0E6FD160E83; Sat, 14 Oct 2017 02:31:36 -0700 (PDT) X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 1ZieIIMoXE_6; Sat, 14 Oct 2017 02:31:35 -0700 (PDT) Original-Received: from [192.168.1.9] (unknown [47.154.18.85]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id 85B5A160E65; Sat, 14 Oct 2017 02:31:35 -0700 (PDT) In-Reply-To: Content-Language: en-US X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 131.179.128.68 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:219499 Archived-At: Andreas Schwab wrote: > That can be a lot of wastage for small vectors. If vector size and location are random, the additional internal fragmentation averages 4 bytes per vector on x86 and x86-64. If this is a significant problem, we could complicate the code to fix it.