From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier via Users list for the GNU Emacs text editor Newsgroups: gmane.emacs.help Subject: Re: [External] : Passing buffers to function in elisp Date: Sat, 25 Feb 2023 18:52:42 -0500 Message-ID: References: <87mt56hg4e.fsf@iki.fi> <87bklihln8.fsf@iki.fi> <87pm9yf0ph.fsf@web.de> Reply-To: Stefan Monnier Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="21860"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:QzNfDz0BXPStszXAHMLYjjyY2k4= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sun Feb 26 00:53:33 2023 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1pW4M9-0005ZY-PP for geh-help-gnu-emacs@m.gmane-mx.org; Sun, 26 Feb 2023 00:53:33 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pW4LZ-0002ca-9A; Sat, 25 Feb 2023 18:52:57 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pW4LV-0002cR-UO for help-gnu-emacs@gnu.org; Sat, 25 Feb 2023 18:52:53 -0500 Original-Received: from ciao.gmane.io ([116.202.254.214]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pW4LT-0005Ql-P0 for help-gnu-emacs@gnu.org; Sat, 25 Feb 2023 18:52:53 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1pW4LR-0004iA-Ix for help-gnu-emacs@gnu.org; Sun, 26 Feb 2023 00:52:49 +0100 X-Injected-Via-Gmane: http://gmane.org/ Received-SPF: pass client-ip=116.202.254.214; envelope-from=geh-help-gnu-emacs@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: -15 X-Spam_score: -1.6 X-Spam_bar: - X-Spam_report: (-1.6 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.help:142837 Archived-At: > If `emms-info-native--read-and-decode-ogg-page' is called very often > (hundreds of times or more), it's probably better to use one single > buffer instead of a fresh temp buffer every single time. Using temp > buffers creates quite a bunch of garbage IME. That's definitely something to consider. Another is whether the ELisp code was byte-compiled (if not, then all bets are off, the interpreter itself generates a fair bit of garbage, especially if you use a lot of macros). Are you using `bindat-type`? Stefan