From mboxrd@z Thu Jan  1 00:00:00 1970
Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail
From: Tomas Hlavaty <tom@logand.com>
Newsgroups: gmane.emacs.devel
Subject: Re: funcall consing
Date: Fri, 31 Dec 2021 17:56:20 +0100
Message-ID: <87zgoglnm3.fsf@logand.com>
References: <87ee5tm422.fsf@logand.com>
 <tencent_839E310C481D0F2BACBF7FB7F06E22C7B107@qq.com>
Mime-Version: 1.0
Content-Type: text/plain
Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214";
	logging-data="32524"; mail-complaints-to="usenet@ciao.gmane.io"
Cc: emacs-devel@gnu.org
To: LdBeth <andpuke@foxmail.com>
Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Dec 31 17:57:16 2021
Return-path: <emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org>
Envelope-to: ged-emacs-devel@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 <emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org>)
	id 1n3LDQ-0008El-Ib
	for ged-emacs-devel@m.gmane-mx.org; Fri, 31 Dec 2021 17:57:16 +0100
Original-Received: from localhost ([::1]:37434 helo=lists1p.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.90_1)
	(envelope-from <emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org>)
	id 1n3LDO-000254-HO
	for ged-emacs-devel@m.gmane-mx.org; Fri, 31 Dec 2021 11:57:14 -0500
Original-Received: from eggs.gnu.org ([209.51.188.92]:49804)
 by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)
 (Exim 4.90_1) (envelope-from <tom@logand.com>) id 1n3LCe-0001O9-9A
 for emacs-devel@gnu.org; Fri, 31 Dec 2021 11:56:28 -0500
Original-Received: from logand.com ([37.48.87.44]:51012)
 by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)
 (Exim 4.90_1) (envelope-from <tom@logand.com>) id 1n3LCc-0000AO-6J
 for emacs-devel@gnu.org; Fri, 31 Dec 2021 11:56:27 -0500
Original-Received: by logand.com (Postfix, from userid 1001)
 id E3BDD19EC86; Fri, 31 Dec 2021 17:56:23 +0100 (CET)
X-Mailer: emacs 27.2 (via feedmail 11-beta-1 I)
In-Reply-To: <tencent_839E310C481D0F2BACBF7FB7F06E22C7B107@qq.com>
Received-SPF: pass client-ip=37.48.87.44; envelope-from=tom@logand.com;
 helo=logand.com
X-Spam_score_int: 0
X-Spam_score: -0.0
X-Spam_bar: /
X-Spam_report: (-0.0 / 5.0 requ) SPF_HELO_PASS=-0.001,
 SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no
X-Spam_action: no action
X-BeenThere: emacs-devel@gnu.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: "Emacs development discussions." <emacs-devel.gnu.org>
List-Unsubscribe: <https://lists.gnu.org/mailman/options/emacs-devel>,
 <mailto:emacs-devel-request@gnu.org?subject=unsubscribe>
List-Archive: <https://lists.gnu.org/archive/html/emacs-devel>
List-Post: <mailto:emacs-devel@gnu.org>
List-Help: <mailto:emacs-devel-request@gnu.org?subject=help>
List-Subscribe: <https://lists.gnu.org/mailman/listinfo/emacs-devel>,
 <mailto:emacs-devel-request@gnu.org?subject=subscribe>
Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org
Original-Sender: "Emacs-devel"
 <emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org>
Xref: news.gmane.io gmane.emacs.devel:283756
Archived-At: <http://permalink.gmane.org/gmane.emacs.devel/283756>

On Fri 31 Dec 2021 at 22:27, LdBeth <andpuke@foxmail.com> wrote:
> Try this:
>
> ```
> (defun bar () (benchmark-run 10 (dotimes (i 100000) (1+ i))))
> (defun foo () (let ((x (lambda (i) (1+ i))))
>   (benchmark-run 10 (dotimes (i 100000) (funcall x i)))))
>
> (byte-compile 'foo)
> (byte-compile 'bar)
>
> (foo)
> (0.054734 0 0.0)
> (bar)
> (0.019939000000000002 0 0.0)
> ```

amazing, thank you!