From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: 64-bit emacs crashes a lot Date: Sun, 18 Aug 2013 22:14:32 +0300 Message-ID: <83li3ylskn.fsf@gnu.org> References: <520FD272.50907@alice.it> <520FDA06.8020206@cornell.edu> <520FF7FB.5030906@alice.it> <521107DE.40803@cornell.edu> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1376853248 28957 80.91.229.3 (18 Aug 2013 19:14:08 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 18 Aug 2013 19:14:08 +0000 (UTC) Cc: emacs-devel@gnu.org, angelo.graziosi@alice.it To: Ken Brown Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sun Aug 18 21:14:10 2013 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1VB8QS-0000pw-QC for ged-emacs-devel@m.gmane.org; Sun, 18 Aug 2013 21:14:08 +0200 Original-Received: from localhost ([::1]:39775 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VB8QS-0004Iw-CH for ged-emacs-devel@m.gmane.org; Sun, 18 Aug 2013 15:14:08 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:48876) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VB8QL-0004IS-2k for emacs-devel@gnu.org; Sun, 18 Aug 2013 15:14:06 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VB8QF-0001w5-TE for emacs-devel@gnu.org; Sun, 18 Aug 2013 15:14:00 -0400 Original-Received: from mtaout22.012.net.il ([80.179.55.172]:34678) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VB8QF-0001vt-KF for emacs-devel@gnu.org; Sun, 18 Aug 2013 15:13:55 -0400 Original-Received: from conversion-daemon.a-mtaout22.012.net.il by a-mtaout22.012.net.il (HyperSendmail v2007.08) id <0MRQ00G00QQLB700@a-mtaout22.012.net.il> for emacs-devel@gnu.org; Sun, 18 Aug 2013 22:13:54 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout22.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0MRQ00GJSQR55A50@a-mtaout22.012.net.il>; Sun, 18 Aug 2013 22:13:54 +0300 (IDT) In-reply-to: <521107DE.40803@cornell.edu> X-012-Sender: halo1@inter.net.il X-detected-operating-system: by eggs.gnu.org: Solaris 10 X-Received-From: 80.179.55.172 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 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-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:162860 Archived-At: > Date: Sun, 18 Aug 2013 13:43:58 -0400 > From: Ken Brown > Cc: emacs > > > Usually, in that case, the build log shows > > > > ... > > Static heap usage: 10273280 of 13631488 bytes > > ... > > Static heap usage: 5419520 of 13631488 bytes > > > > > > Doesn't it mean that the "end" product uses only about 5.2 MB? > > Yes, but you still need a bigger static heap for bootstrapping. While > bootstrap-emacs is being built, many *.el files get loaded, and this > requires a large static heap. Then bootstrap-emacs byte-compiles those > files. Now when emacs is built, the smaller *.elc files can be used, so > a smaller static heap suffices for that second step. You could define the heap size differently during a bootstrap and afterwards, if that matters. Just make sure GCC defines some preprocessor symbol during one or the other.