From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#44674: 28.0.50; Adding current-cpu-time for performance tests Date: Mon, 16 Nov 2020 12:40:13 +0200 Message-ID: <8EE5DC1E-5585-4585-B6E9-58717149ADA6@gnu.org> References: 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="6009"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: K-9 Mail for Android Cc: Philipp Stephani , 44674@debbugs.gnu.org To: Mattias =?UTF-8?Q?Engdeg=C3=A5rd?= , Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Nov 16 11:41:12 2020 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 1kebwc-0001Q0-V0 for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 16 Nov 2020 11:41:10 +0100 Original-Received: from localhost ([::1]:36198 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kebwc-0006YS-0A for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 16 Nov 2020 05:41:10 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:34088) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kebwU-0006Wc-QP for bug-gnu-emacs@gnu.org; Mon, 16 Nov 2020 05:41:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:43636) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kebwU-0008Tw-GA for bug-gnu-emacs@gnu.org; Mon, 16 Nov 2020 05:41:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1kebwU-0003Tl-EG for bug-gnu-emacs@gnu.org; Mon, 16 Nov 2020 05:41:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 16 Nov 2020 10:41:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 44674 X-GNU-PR-Package: emacs Original-Received: via spool by 44674-submit@debbugs.gnu.org id=B44674.160552322613320 (code B ref 44674); Mon, 16 Nov 2020 10:41:02 +0000 Original-Received: (at 44674) by debbugs.gnu.org; 16 Nov 2020 10:40:26 +0000 Original-Received: from localhost ([127.0.0.1]:55182 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kebvu-0003Sm-3c for submit@debbugs.gnu.org; Mon, 16 Nov 2020 05:40:26 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:33698) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kebvr-0003Sa-TL for 44674@debbugs.gnu.org; Mon, 16 Nov 2020 05:40:24 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:60098) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kebvm-00082x-0o; Mon, 16 Nov 2020 05:40:18 -0500 Original-Received: from [2001:4df7:1:ac2::1] (port=43414) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1kebvl-0003Ho-02; Mon, 16 Nov 2020 05:40:17 -0500 In-Reply-To: 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:193417 Archived-At: On November 16, 2020 12:11:34 PM GMT+02:00, "Mattias Engdeg=C3=A5rd" wrote: > > +The return value is a pair (CPU-TICKS =2E TICKS-PER-SEC)=2E >=20 > Perhaps not ideal to cons in a timing primitive where low overhead is > called for=2E > What about just returning an integer and have a different way to get > at TICKS-PER-SEC? > After all, the timer frequency is not specific to each measurement=2E >=20 > Ideally the returned value should be a fixnum to minimise overhead, > but it may restrict the range on 32-bit platforms=2E >=20 > I also agree with Phillipp's comment about clock_gettime=2E AFAUI, CLOCK_PROCESS_CPUTIME_ID accounts for all the threads, so might not= be what we want even if it is supported, since other threads might be invo= lved which we aren't interested in (e=2Eg=2E, GTK threads)=2E