From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Lars Magne Ingebrigtsen Newsgroups: gmane.emacs.devel Subject: Re: Compiling Elisp to a native code with a GCC plugin Date: Wed, 15 Sep 2010 17:35:55 +0200 Organization: Programmerer Ingebrigtsen Message-ID: References: <87bp805ecr.fsf@gmail.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: dough.gmane.org 1284564981 8701 80.91.229.12 (15 Sep 2010 15:36:21 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Wed, 15 Sep 2010 15:36:21 +0000 (UTC) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Sep 15 17:36:20 2010 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Ovu1w-0007o1-PR for ged-emacs-devel@m.gmane.org; Wed, 15 Sep 2010 17:36:17 +0200 Original-Received: from localhost ([127.0.0.1]:52158 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Ovu1v-0002rH-UC for ged-emacs-devel@m.gmane.org; Wed, 15 Sep 2010 11:36:15 -0400 Original-Received: from [140.186.70.92] (port=59159 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Ovu1n-0002pi-F3 for emacs-devel@gnu.org; Wed, 15 Sep 2010 11:36:08 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1Ovu1j-0007lv-Rw for emacs-devel@gnu.org; Wed, 15 Sep 2010 11:36:07 -0400 Original-Received: from lo.gmane.org ([80.91.229.12]:46982) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1Ovu1j-0007lm-Fz for emacs-devel@gnu.org; Wed, 15 Sep 2010 11:36:03 -0400 Original-Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1Ovu1i-0007fK-U3 for emacs-devel@gnu.org; Wed, 15 Sep 2010 17:36:02 +0200 Original-Received: from cm-84.215.34.171.getinternet.no ([84.215.34.171]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 15 Sep 2010 17:36:02 +0200 Original-Received: from larsi by cm-84.215.34.171.getinternet.no with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 15 Sep 2010 17:36:02 +0200 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: emacs-devel@gnu.org Original-Lines: 15 Original-X-Complaints-To: usenet@dough.gmane.org X-Gmane-NNTP-Posting-Host: cm-84.215.34.171.getinternet.no Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAAHlBMVEVtIwD3rBqxUwDtmQnY gAH7tyT+3EvzpBL+zDr9wS+fkE0QAAACX0lEQVQ4jV2UTW7bMBCFg9xgYLBEdkGcCwQUwK5tAV1z MU55AVVbgo55ghrSsgsV4m37ZijbQGcRxPw4f2+Genp+E3uSP73YAT/Unt/7hzlfsuv1ZgPddu5K SbmD0yuAHjRydJ5KyZ0GA+juwHsiC9IAzp1r0bwxRInyQYGcu871/frrwzAHsrmXHEccoxbnvp+u Jq6/mUruD5uHgsvlm4m1crAoTJM7n7LL5bKeXtZpZiYFaMMXtTSMcfoP+FR8IWS4jlNFkgYc0nuf QXiFR11C89BqoYUnRqRhrDXsusNrA7hekql1miYB1jUPn6FqoSjnV4DP7G4eTlJXXq/DMNXFdv0N IBAzx3UahnFhe35vwCciYwwjFFwAct8LwPUA7V6qOAzDvFgrofa+fBHjfqyzgmkNRcrdF0sw5rrU BiZkV6CEY1wQS8uqDficUiLDBgUr2DyQXNQlyi6Znwg2zXeQCjywBMlIh3P93LUGM+5LGkuQHSIG KpuIaER6IaorOockG8CUisUwmKWq6QE+rMwVaqFcscXckuvAS1EgRYUGvAwjSfdRQo2PciWH6Avd pcFxpta59EFU6IvVA8B6p5KkYg1qT9BXBjXOIQk4omFdZazVJu9CstV7vRoZAm+TQqwNwIEp6Zoo WKwTAAFNXDiEKFKJA1YR4AdmtNQq82uRJMeuQ/LE2I/6d7jZiBeSAfbEot8JdbZzqLhVpU2v2JH5 2gAeyEGTNx/Ek8Zlttw8grxhKXkDmG44t3LZhIxuos4DHn/OTcSC9cWzwujxYvHKu14+MvevkP77 pt8XsX8IgGJnNZv8qAAAAABJRU5ErkJggg== Mail-Copies-To: never X-Now-Playing: Joy Division's _Still_ User-Agent: Gnus/5.110011 (No Gnus v0.11) Emacs/24.0.50 (gnu/linux) Cancel-Lock: sha1:bt3TAjNOfVTwvSPs/BC92wi9lhQ= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:130213 Archived-At: Andreas Schwab writes: > Trivial regexp searches are already optimized to bypass the regexp > engine. Doing a similar check in looking-at might be worthwhile. I did some trivial benchmarking with (while (search-backward "\n(defun " nil t))) and the equivalent re-search-backward in a buffer in a loop, and the search-backward version was about 8x faster. -- (domestic pets only, the antidote for overdose, milk.) larsi@gnus.org * Lars Magne Ingebrigtsen