From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Juri Linkov Newsgroups: gmane.emacs.devel Subject: Re: [Emacs-diffs] master 55ec674: * lisp/multifile.el: New file, extracted from etags.el Date: Wed, 02 Jan 2019 23:53:18 +0200 Organization: LINKOV.NET Message-ID: <87zhsi7mlt.fsf@mail.linkov.net> References: <20180922154639.23195.66360@vcs0.savannah.gnu.org> <20180922154640.9D58220310@vcs0.savannah.gnu.org> <54108dbc-9d12-06ff-3f1d-151118e9b234@yandex.ru> <385f6543-2214-101c-30b8-a8115a8dbede@yandex.ru> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Trace: blaine.gmane.org 1546467863 2381 195.159.176.226 (2 Jan 2019 22:24:23 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 2 Jan 2019 22:24:23 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (x86_64-pc-linux-gnu) Cc: Stefan Monnier , emacs-devel@gnu.org To: Dmitry Gutov Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Jan 02 23:24:19 2019 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1geovy-0000W4-4B for ged-emacs-devel@m.gmane.org; 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c=relaxed; d=linkov.net; h=from:to:cc :subject:references:date:in-reply-to:message-id:mime-version :content-type:content-transfer-encoding; s=linkov.net; bh=nIjbIf mCO5AkoS05p8pUlyu0Ld8=; b=ZLPHOj99f71aV47v4gni1eQWZWC7Kw6EP/o005 HxyK2MDqJu+sD38/D4mCnfTwFumDD7UDqMcsgDae3OUB/+Oe9BI6ncqs98q3wiYl 9BVAsK0rC44swch06k7Mgk8e6TGQGpvAE8FL4LgKnNi4KjX1/qTZHUo4vtybf2kn CyA/0= Original-Received: from mail.jurta.org (m91-129-100-233.cust.tele2.ee [91.129.100.233]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: jurta@jurta.org) by pdx1-sub0-mail-a23.g.dreamhost.com (Postfix) with ESMTPSA id 508A980024; Wed, 2 Jan 2019 14:26:00 -0800 (PST) X-DH-BACKEND: pdx1-sub0-mail-a23 In-Reply-To: <385f6543-2214-101c-30b8-a8115a8dbede@yandex.ru> (Dmitry Gutov's message of "Mon, 31 Dec 2018 14:42:52 +0300") X-VR-OUT-STATUS: OK X-VR-OUT-SCORE: -100 X-VR-OUT-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedtledrudeigdduheehucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuggftfghnshhusghstghrihgsvgdpffftgfetoffjqffuvfenuceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhephffvufhofhffjgfkfgggtgfgsehtkeertddtreejnecuhfhrohhmpefluhhrihcunfhinhhkohhvuceojhhurhhisehlihhnkhhovhdrnhgvtheqnecukfhppeeluddruddvledruddttddrvdeffeenucfrrghrrghmpehmohguvgepshhmthhppdhhvghlohepmhgrihhlrdhjuhhrthgrrdhorhhgpdhinhgvthepledurdduvdelrddutddtrddvfeefpdhrvghtuhhrnhdqphgrthhhpefluhhrihcunfhinhhkohhvuceojhhurhhisehlihhnkhhovhdrnhgvtheqpdhmrghilhhfrhhomhepjhhurhhisehlihhnkhhovhdrnhgvthdpnhhrtghpthhtohepughguhhtohhvseihrghnuggvgidrrhhunecuvehluhhsthgvrhfuihiivgeptd X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 23.83.209.92 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:232111 Archived-At: > (benchmark 10 '(project-find-regexp "xyz1")) > =3D> 5.60s > (benchmark 10 '(project-files-pipe-grep "xyz1")) > =3D> 6.31s or 6.10s, depending on the version > > Any suggestions? On the very old computer from the year 2010, but the most interesting are= relative times: (benchmark 10 '(project-find-regexp "xyz1")) =3D> 7s (benchmark 10 '(project-files-pipe-grep "xyz1")) =3D> 17s (benchmark 10 '(project-files (project-current t))) =3D> 11s (benchmark 10 '(shell-command-to-string "find ... \\( -path ... \\) -prun= e -o -type f -print0")) =3D> 11s (benchmark 10 '(shell-command-to-string "git ls-files")) =3D> 0.07s IMHO, everything is clear: =E2=80=9Cfind=E2=80=9D with =E2=80=9C-path=E2=80= =9D filters is slow, whereas =E2=80=9Cgit ls-files=E2=80=9D is fast.