From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Concurrency, again Date: Tue, 25 Oct 2016 19:25:08 +0300 Message-ID: <83h980wg4b.fsf@gnu.org> References: <87wq97i78i.fsf@earlgrey.lan> <86k2dk77w6.fsf@molnjunk.nocrew.org> <9D64B8EA-DB52-413D-AE6A-264416C391F3@iotcl.com> <83int1g0s5.fsf@gnu.org> <83twckekqq.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1477412747 18192 195.159.176.226 (25 Oct 2016 16:25:47 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 25 Oct 2016 16:25:47 +0000 (UTC) Cc: jwiegley@gmail.com, toon@iotcl.com, emacs-devel@gnu.org, lars@nocrew.org To: Philipp Stephani Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Oct 25 18:25:43 2016 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 1bz4Xj-0003Y6-74 for ged-emacs-devel@m.gmane.org; Tue, 25 Oct 2016 18:25:39 +0200 Original-Received: from localhost ([::1]:56365 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bz4Xl-0002aQ-79 for ged-emacs-devel@m.gmane.org; Tue, 25 Oct 2016 12:25:41 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:45656) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bz4Xd-0002Zc-8n for emacs-devel@gnu.org; Tue, 25 Oct 2016 12:25:34 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bz4Xa-00079T-4w for emacs-devel@gnu.org; Tue, 25 Oct 2016 12:25:33 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:46050) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bz4Xa-00079P-1f; Tue, 25 Oct 2016 12:25:30 -0400 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:1389 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1bz4XV-00033o-Oj; Tue, 25 Oct 2016 12:25:29 -0400 In-reply-to: (message from Philipp Stephani on Tue, 25 Oct 2016 13:22:42 +0000) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e 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:208781 Archived-At: > From: Philipp Stephani > Date: Tue, 25 Oct 2016 13:22:42 +0000 > Cc: lars@nocrew.org, toon@iotcl.com, emacs-devel@gnu.org > > We still have tons of global mutable state, e.g. the buffer list. Traditional OS-level multithreading is impossible > with that amount of global state. But we are not doing OS-level multithreading on the concurrency branch. > On the other hand, non-parallel concurrency doesn't care about global state (which can just be swapped out) > at all. Which is what we do.