From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: YAMAMOTO Mitsuharu Newsgroups: gmane.emacs.bugs Subject: bug#16039: repeated emacs crashes (in GC?) Date: Wed, 04 Dec 2013 10:48:11 +0900 Organization: Faculty of Science, Chiba University Message-ID: References: <83k3fl53fy.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII X-Trace: ger.gmane.org 1386121756 2151 80.91.229.3 (4 Dec 2013 01:49:16 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 4 Dec 2013 01:49:16 +0000 (UTC) Cc: 16039@debbugs.gnu.org, emacs user To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Dec 04 02:49:19 2013 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1Vo1aZ-0000MU-5G for geb-bug-gnu-emacs@m.gmane.org; Wed, 04 Dec 2013 02:49:19 +0100 Original-Received: from localhost ([::1]:45853 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Vo1aY-0002Mk-Oa for geb-bug-gnu-emacs@m.gmane.org; Tue, 03 Dec 2013 20:49:18 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:53892) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Vo1aP-0002Lf-Ps for bug-gnu-emacs@gnu.org; Tue, 03 Dec 2013 20:49:15 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Vo1aJ-00033v-J5 for bug-gnu-emacs@gnu.org; Tue, 03 Dec 2013 20:49:09 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:43019) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Vo1aJ-00033q-GC for bug-gnu-emacs@gnu.org; Tue, 03 Dec 2013 20:49:03 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1Vo1aI-0002yp-7A for bug-gnu-emacs@gnu.org; Tue, 03 Dec 2013 20:49:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: YAMAMOTO Mitsuharu Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 04 Dec 2013 01:49:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 16039 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 16039-submit@debbugs.gnu.org id=B16039.138612170311404 (code B ref 16039); Wed, 04 Dec 2013 01:49:01 +0000 Original-Received: (at 16039) by debbugs.gnu.org; 4 Dec 2013 01:48:23 +0000 Original-Received: from localhost ([127.0.0.1]:57038 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Vo1Ze-0002xr-DG for submit@debbugs.gnu.org; Tue, 03 Dec 2013 20:48:23 -0500 Original-Received: from mathmail.math.s.chiba-u.ac.jp ([133.82.132.2]:51539) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Vo1ZX-0002xZ-9Z for 16039@debbugs.gnu.org; Tue, 03 Dec 2013 20:48:17 -0500 Original-Received: from fermat.math.s.chiba-u.ac.jp (fermat [133.82.132.10]) by mathmail.math.s.chiba-u.ac.jp (Postfix) with ESMTP id 9A10CC055D; Wed, 4 Dec 2013 10:48:11 +0900 (JST) In-Reply-To: User-Agent: Wanderlust/2.14.0 (Africa) SEMI/1.14.6 (Maruoka) FLIM/1.14.8 (=?UTF-8?Q?Shij=C5=8D?=) APEL/10.6 Emacs/22.3 (sparc-sun-solaris2.8) MULE/5.0 (SAKAKI) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:81343 Archived-At: >>>>> On Wed, 04 Dec 2013 09:43:00 +0900, YAMAMOTO Mitsuharu said: >> Having 136 thousand frames during GC is not unheard of. > (/ 8720000.0 (* 136 1000)) > 64.11764705882354 > If each frame consumes more than 64 bytes, then it will use up > 8720000B stack space. FWIW, the default compiler for Xcode 4.0.2 on Mac OS X 10.6 with the -O2 option seems to consume 64 bytes for each mark_object frame: i686-apple-darwin10-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5666) (dot 3) _mark_object: 00000000000008a0 pushq %rbp 00000000000008a1 movq %rsp, %rbp 00000000000008a4 movq %rbx, 0xffffffffffffffd8(%rbp) 00000000000008a8 movq %r12, 0xffffffffffffffe0(%rbp) 00000000000008ac movq %r13, 0xffffffffffffffe8(%rbp) 00000000000008b0 movq %r14, 0xfffffffffffffff0(%rbp) 00000000000008b4 movq %r15, 0xfffffffffffffff8(%rbp) 00000000000008b8 subq $0x40, %rsp And the one for Xcode 5.0.2 on OS X 10.9 with -O4 does 24 bytes: Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn) _mark_object: 0000000000005c70 pushq %rbp 0000000000005c71 movq %rsp, %rbp 0000000000005c74 pushq %r15 0000000000005c76 pushq %r14 0000000000005c78 pushq %r13 0000000000005c7a pushq %r12 0000000000005c7c pushq %rbx 0000000000005c7d subq $0x18, %rsp YAMAMOTO Mitsuharu mituharu@math.s.chiba-u.ac.jp