From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#31138: Native json slower than json.el Date: Tue, 23 Apr 2019 15:15:43 +0300 Message-ID: <83wojk534g.fsf@gnu.org> References: <87sh806xwa.fsf@chapu.is> <83zhphliil.fsf@gnu.org> <181b93a3-3861-0481-1b95-8344410d1049@yandex.ru> <83r2a2hdxn.fsf@gnu.org> <21f68973-a684-2a65-82eb-c8f3df90127f@yandex.ru> <83d0lmgez2.fsf@gnu.org> <7d503be9-4d85-3d0b-6829-631ad376ba3d@yandex.ru> <831s22gcci.fsf@gnu.org> <83y349gasn.fsf@gnu.org> <83d0lfag4x.fsf@gnu.org> <5cf45a21-65c3-67ee-f123-be83a6ee7c99@yandex.ru> <83a7gjaen6.fsf@gnu.org> <83ftqa8qsg.fsf@gnu.org> <83muki6y6r.fsf@gnu.org> <4b8c6799-e845-768b-749c-f2a883ab89f8@yandex.ru> <83h8aq6v6a.fsf@gnu.org> <834l6q6ozn.fsf@gnu.org> <83zhoi59ao.fsf@gnu.org> <83wojm57sl.fsf@gnu.org> <83ftq96azk.fsf@gnu.org> Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="19780"; mail-complaints-to="usenet@blaine.gmane.org" Cc: sebastien@chapu.is, yyoncho@gmail.com, 31138@debbugs.gnu.org To: Dmitry Gutov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Apr 23 14:24:55 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1hIuTn-00051w-Iv for geb-bug-gnu-emacs@m.gmane.org; Tue, 23 Apr 2019 14:24:55 +0200 Original-Received: from localhost ([127.0.0.1]:53049 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hIuTm-0002BZ-9q for geb-bug-gnu-emacs@m.gmane.org; Tue, 23 Apr 2019 08:24:54 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:49059) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hIuTc-000283-GJ for bug-gnu-emacs@gnu.org; Tue, 23 Apr 2019 08:24:45 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hIuME-0005oy-0S for bug-gnu-emacs@gnu.org; Tue, 23 Apr 2019 08:17:06 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:39104) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hIuMA-0005oL-3x for bug-gnu-emacs@gnu.org; Tue, 23 Apr 2019 08:17:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1hIuM9-0005Q5-PH for bug-gnu-emacs@gnu.org; Tue, 23 Apr 2019 08:17:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 23 Apr 2019 12:17:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 31138 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: moreinfo Original-Received: via spool by 31138-submit@debbugs.gnu.org id=B31138.155602176120735 (code B ref 31138); Tue, 23 Apr 2019 12:17:01 +0000 Original-Received: (at 31138) by debbugs.gnu.org; 23 Apr 2019 12:16:01 +0000 Original-Received: from localhost ([127.0.0.1]:52648 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hIuLB-0005OG-62 for submit@debbugs.gnu.org; Tue, 23 Apr 2019 08:16:01 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:33477) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hIuL8-0005O1-J4 for 31138@debbugs.gnu.org; Tue, 23 Apr 2019 08:16:00 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:60205) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hIuL1-0005U9-12; Tue, 23 Apr 2019 08:15:52 -0400 Original-Received: from [176.228.60.248] (port=4835 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1hIuL0-0005lh-HG; Tue, 23 Apr 2019 08:15:50 -0400 In-reply-to: (message from Dmitry Gutov on Tue, 23 Apr 2019 14:52:21 +0300) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 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" Xref: news.gmane.org gmane.emacs.bugs:158124 Archived-At: > Cc: sebastien@chapu.is, yyoncho@gmail.com, 31138@debbugs.gnu.org > From: Dmitry Gutov > Date: Tue, 23 Apr 2019 14:52:21 +0300 > > I wonder if having this optimization built-in in > decode-coding-string or thereabouts could give us performance gains > somewhere else as well. I thought about this. It could make sense to have a UTF-8 specific function to encode and decode strings. With encodings other than UTF-8 it becomes trickier, and probably likewise with buffer text, where we need to take the gap into account. What applications do we have where en/decoding strings has critical effect on performance? > And this particular bug report can probably be closed. Assuming the others confirm.