From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Theodor Thornhill Newsgroups: gmane.emacs.devel Subject: Re: CC Mode -> Tree sitter challenge Date: Sat, 05 Nov 2022 15:46:33 +0100 Message-ID: <1A0839BF-7808-4BC5-B0AA-0A9D01F06EC3@thornhill.no> References: <87v8nu1mt1.fsf@thornhill.no> <83eduh4vcf.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="32168"; mail-complaints-to="usenet@ciao.gmane.io" Cc: emacs-devel@gnu.org, casouri@gmail.com To: Stefan Monnier , Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Nov 05 15:47:34 2022 Return-path: 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 ) id 1orKSM-00089x-Fo for ged-emacs-devel@m.gmane-mx.org; Sat, 05 Nov 2022 15:47:34 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1orKRs-0001Zk-7f; Sat, 05 Nov 2022 10:47:04 -0400 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 1orKRr-0001Zc-AD for emacs-devel@gnu.org; Sat, 05 Nov 2022 10:47:03 -0400 Original-Received: from out0.migadu.com ([94.23.1.103]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1orKRf-00044P-2s; Sat, 05 Nov 2022 10:47:02 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=thornhill.no; s=key1; t=1667659608; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=56mRWC5OY7//BCLS65mUvRhon3sXaK2Phbq2CuHMxTc=; b=1m7t2nqaGza30Z7Rl4OrMfuESHU618bNKhBjCAzoPytoXdzMS6xknqLdw25jNWILEczemC oCimUbbvrJKnaKKT3FI8ljKMJykBUBqrxixe7k0JgoXUBuixqPcz9TaN5Eig0BrDqCYt1n YDBkYlaQcCgi0J0skgOnuusEWGNwOQZHC9bWx3vpjnEddxzQbYxZPvmVWVkGzk43NMtSmC XyTGFl6Zmckd02TeD9ec+liXc5qqxdPs6rgdiWRJAwZwSCOiocEooBdGedaIOGtmWcWu7S D4skqogdUyWms0E5vFHJUuKlo5VcVpi8F55Mx4w4xkp+K07kn2x/XAfcRJIAeQ== X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. In-Reply-To: X-Migadu-Flow: FLOW_OUT Received-SPF: pass client-ip=94.23.1.103; envelope-from=theo@thornhill.no; helo=out0.migadu.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_PASS=-0.001, T_SPF_HELO_TEMPERROR=0.01 autolearn=ham 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." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: "Emacs-devel" Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:299208 Archived-At: On 5 November 2022 15:34:25 CET, Stefan Monnier wrote: >> We usually use something like the below: >> >> (defun scroll-up-benchmark () >> (interactive) >> (let ((oldgc gcs-done) >> (oldtime (float-time))) >> (condition-case nil (while t (scroll-up) (redisplay)) >> (error (message "GCs: %d Elapsed time: %f seconds" >> (- gcs-done oldgc) (- (float-time) oldtime)))))) >> >> (defun scroll-up-by-40-benchmark () >> (interactive) >> (let ((oldgc gcs-done) >> (oldtime (float-time))) >> (condition-case nil (while t (scroll-up 40) (redisplay)) >> (error (message "GCs: %d Elapsed time: %f seconds" >> (- gcs-done oldgc) (- (float-time) oldtime)))))) > >See also the `elisp-benchmark` package, especially its >`benchmarks/elb-scroll=2Eel` which shows how to do that in batch mode=2E > >We could tweak that file to define not just `elb-scroll-entry` but also >`elb-cc-scroll-entry` to compare the time between the use of >`elb-smie-mode` (whose purpose is not to show how it compares to >CC-mode's C mode but rather to have a non-varying code across Emacs >versions, so we can see the effect of other factors than the mode >itself) and CC-mode's `c-mode` and another using your new `c-mode`=2E > > > Stefan > Thanks! I'll check it out Theo