From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: w32-pipe-read-delay (was: vc-dir operation is very slow on large git repositories in Emacs 26.1) Date: Fri, 22 Jun 2018 16:43:40 -0400 Message-ID: References: <83k1qtsbgi.fsf@gnu.org> <83zhzoqkgv.fsf@gnu.org> <83efgzqjv5.fsf@gnu.org> <83wouqptm6.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1529700120 29185 195.159.176.226 (22 Jun 2018 20:42:00 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Fri, 22 Jun 2018 20:42:00 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Jun 22 22:41:56 2018 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 1fWSsW-0007VN-3F for ged-emacs-devel@m.gmane.org; Fri, 22 Jun 2018 22:41:56 +0200 Original-Received: from localhost ([::1]:36136 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fWSud-0002mK-DX for ged-emacs-devel@m.gmane.org; Fri, 22 Jun 2018 16:44:07 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:56363) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fWSuR-0002l1-S2 for emacs-devel@gnu.org; Fri, 22 Jun 2018 16:43:56 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fWSuM-0000Ib-Vx for emacs-devel@gnu.org; Fri, 22 Jun 2018 16:43:55 -0400 Original-Received: from [195.159.176.226] (port=53038 helo=blaine.gmane.org) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fWSuM-0000I8-Og for emacs-devel@gnu.org; Fri, 22 Jun 2018 16:43:50 -0400 Original-Received: from list by blaine.gmane.org with local (Exim 4.84_2) (envelope-from ) id 1fWSsD-00079H-4S for emacs-devel@gnu.org; Fri, 22 Jun 2018 22:41:37 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 10 Original-X-Complaints-To: usenet@blaine.gmane.org Cancel-Lock: sha1:KBht7tk2kQAwSptpmpWyPmA2lDQ= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 195.159.176.226 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:226597 Archived-At: BTW, it seems that w32-pipe-read-delay aims to solve a similar issue as process-adaptive-read-buffering. Does process-adaptive-read-buffering currently apply to w32 subprocesses? If so, could it be that w32-pipe-read-delay was made obsolete when process-adaptive-read-buffering was added? If not, why not (i.e. what's the fundamental difference between the two)? Stefan