From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: "Basil L. Contovounesios" Newsgroups: gmane.emacs.bugs Subject: bug#46761: 28.0.50; Speed up json.el encoding Date: Sat, 27 Feb 2021 21:16:32 +0000 Message-ID: <87sg5hyzwv.fsf@tcd.ie> References: <87a6rtszgk.fsf@tcd.ie> <06140794-3f40-8a35-573d-4414d2611afc@yandex.ru> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="35417"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: 46761@debbugs.gnu.org To: Dmitry Gutov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Feb 27 22:17:31 2021 Return-path: Envelope-to: geb-bug-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 1lG6xv-00095g-3T for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 27 Feb 2021 22:17:31 +0100 Original-Received: from localhost ([::1]:48484 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lG6xs-0005aB-UL for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 27 Feb 2021 16:17:28 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:36996) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lG6xT-0005ZR-Aa for bug-gnu-emacs@gnu.org; Sat, 27 Feb 2021 16:17:05 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:33944) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lG6xS-00054y-EH for bug-gnu-emacs@gnu.org; Sat, 27 Feb 2021 16:17:03 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lG6xS-0007qy-9N for bug-gnu-emacs@gnu.org; Sat, 27 Feb 2021 16:17:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: "Basil L. Contovounesios" Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 27 Feb 2021 21:17:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 46761 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: patch Original-Received: via spool by 46761-submit@debbugs.gnu.org id=B46761.161446060230158 (code B ref 46761); Sat, 27 Feb 2021 21:17:02 +0000 Original-Received: (at 46761) by debbugs.gnu.org; 27 Feb 2021 21:16:42 +0000 Original-Received: from localhost ([127.0.0.1]:45490 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lG6x8-0007qL-C6 for submit@debbugs.gnu.org; Sat, 27 Feb 2021 16:16:42 -0500 Original-Received: from mail-wm1-f48.google.com ([209.85.128.48]:40712) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lG6x5-0007q7-QL for 46761@debbugs.gnu.org; Sat, 27 Feb 2021 16:16:40 -0500 Original-Received: by mail-wm1-f48.google.com with SMTP id u11so4636362wmq.5 for <46761@debbugs.gnu.org>; Sat, 27 Feb 2021 13:16:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tcd.ie; s=google21; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version; bh=oY1hVbOM0x2IdjgWqHdpWWoflCPjTNe+bfIDIShDCyk=; b=GfTnN2JO3tpSA+058BKOdhbFjQ+9eJavt7dQUIjDUllknRPRTgDmusfYAbri03wwFN 6VOYi4etvkG5SiUeK9GekQgRgVo2aNuGYL6DwmcNemChowP+2JwkasdkN1F/zxRquaEo iK2+UAFIE39D+hn5O5b6W5k1H8xKbXVHzE/tCyUjqfDPChzoLWLWKs2TlkrP3aD6HD3Q 5vXbHJPj017Zpz1U12QtkayxiVNInjIFHii5GjZsGZeHr1bDeiji+f0j5EQlI61HI4x4 QNYTEo3cmCvUBCTBPrZBvdD9YRlr0zwNXx9Z8IjVE/oqTlkN9ZTpMdf81gWqhLp4nLbE msVA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:references:date:in-reply-to :message-id:user-agent:mime-version; bh=oY1hVbOM0x2IdjgWqHdpWWoflCPjTNe+bfIDIShDCyk=; b=ZfAe56cQiiAI4FCB8kxGjcK8YXPkHBLMAywDeIhZCr9xiz5VP4+KBem0BncT1q669t Vn7uBDX9zczHwQH5krKl1HyuzccNnUsdCFoGxpFBFsC8WyrzNQdzUvf7iPficwenO6+D StoMJIVHBXiAdRD2ylc2AeA+tDOAjevXZYi/5c2oWVF5WciP7Q//FPnDwVfkVu3wNIzR 7A6ahgNSzlIajxvKvodwIkF1uBddUyRFgLfwlqOQ2iMb/Tm/dLNfBWB6620G3CK/JgRA 8imzAT3cPalejE9yC3IB8EvgrNaI3qbsGLu0svGu5Et/NJDRJuhz+VTWQMk8Qvnkn9QK LxGQ== X-Gm-Message-State: AOAM531cXw4DdQ+8mtJMpCXcLuAaDb60VhvizfXTyXjhLxm31N8xloKI wXw8uKjqO+ACIua4IHeRVLwEEg== X-Google-Smtp-Source: ABdhPJyNDvggDB/kr/8+xtrNL+K7Z6DFpeQWNygilmxfvZu16jK3G+Px+SWI17gQwDjgZ3UMHEnKhA== X-Received: by 2002:a05:600c:2248:: with SMTP id a8mr8485453wmm.167.1614460594059; Sat, 27 Feb 2021 13:16:34 -0800 (PST) Original-Received: from localhost ([2a02:8084:20e2:c380:d15:339e:aa10:60f1]) by smtp.gmail.com with ESMTPSA id z25sm530351wmi.23.2021.02.27.13.16.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 27 Feb 2021 13:16:33 -0800 (PST) In-Reply-To: <06140794-3f40-8a35-573d-4414d2611afc@yandex.ru> (Dmitry Gutov's message of "Sat, 27 Feb 2021 20:51:05 +0200") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:200990 Archived-At: Dmitry Gutov writes: > I'm guessing there is an approximate size where structures smaller than that > size will get slower to encode because of this change (creating a temp buffer > and switching to it are not entirely free) BTW, we could avoid creating a new buffer each time, e.g. as json-encode-string did previously, but that comes with its own set of problems that I think outweigh the benefits. -- Basil