From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Glenn Morris Newsgroups: gmane.emacs.bugs Subject: bug#24720: Performance impact of -no-pie Date: Tue, 18 Oct 2016 11:59:15 -0400 Message-ID: References: <60845a3c-9167-faa1-2875-962e7025cc1f@cs.ucla.edu> <2e4bd054-3bed-501a-de51-55216eb2377f@cs.ucla.edu> <87vawql2rw.fsf@gmail.com> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1476806632 25508 195.159.176.226 (18 Oct 2016 16:03:52 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 18 Oct 2016 16:03:52 +0000 (UTC) User-Agent: Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/) Cc: Paul Eggert , 24720@debbugs.gnu.org To: Alex Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Oct 18 18:03:43 2016 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1bwWrR-0004Os-WD for geb-bug-gnu-emacs@m.gmane.org; Tue, 18 Oct 2016 18:03:30 +0200 Original-Received: from localhost ([::1]:42447 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bwWrU-0005ET-3q for geb-bug-gnu-emacs@m.gmane.org; Tue, 18 Oct 2016 12:03:32 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:45644) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bwWoG-0003IN-Jn for bug-gnu-emacs@gnu.org; Tue, 18 Oct 2016 12:00:13 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bwWo7-0005yu-G2 for bug-gnu-emacs@gnu.org; Tue, 18 Oct 2016 12:00:12 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:60300) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1bwWo7-0005yo-DS for bug-gnu-emacs@gnu.org; Tue, 18 Oct 2016 12:00:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1bwWo7-0005hZ-6U for bug-gnu-emacs@gnu.org; Tue, 18 Oct 2016 12:00:03 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Glenn Morris Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 18 Oct 2016 16:00:03 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 24720 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 24720-submit@debbugs.gnu.org id=B24720.147680637421848 (code B ref 24720); Tue, 18 Oct 2016 16:00:03 +0000 Original-Received: (at 24720) by debbugs.gnu.org; 18 Oct 2016 15:59:34 +0000 Original-Received: from localhost ([127.0.0.1]:38257 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bwWnd-0005gK-PW for submit@debbugs.gnu.org; Tue, 18 Oct 2016 11:59:33 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:54311) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bwWnc-0005g8-2m for 24720@debbugs.gnu.org; Tue, 18 Oct 2016 11:59:32 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bwWnR-0005k8-Fo for 24720@debbugs.gnu.org; Tue, 18 Oct 2016 11:59:26 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:37228) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bwWnN-0005iX-4I; Tue, 18 Oct 2016 11:59:17 -0400 Original-Received: from rgm by fencepost.gnu.org with local (Exim 4.82) (envelope-from ) id 1bwWnL-0002CI-9A; Tue, 18 Oct 2016 11:59:15 -0400 X-Spook: Smallpox initiative Coast Guard Suspicious device X-Ran: Ld0!gJOZqz*D;oolP7>Aw7VAV,2HYqI[!=)X-W\pV<#h)XzRNXt04'I*s#%1HOM0,kN`O0 X-Hue: black X-Attribution: GM In-Reply-To: <87vawql2rw.fsf@gmail.com> (Alex's message of "Mon, 17 Oct 2016 22:06:11 -0600") X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:124636 Archived-At: All that adding -no-pie does is restore the old default behaviour. It therefore makes no sense for it to cause a slowdown. I'm going to guess that when you set it via CFLAGS, you lost the -O2 that is otherwise part of the default CFLAGS. M-x report-emacs-bug includes information that would probably have made this obvious from the outset. Check the setting of CFLAGS in src/Makefile.