From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Emanuel Berg Newsgroups: gmane.emacs.devel Subject: Re: [PATCH] Re: Bignum performance (was: Shrinking the C core) Date: Sat, 12 Aug 2023 18:03:05 +0200 Message-ID: <871qg8l03q.fsf@dataswamp.org> References: <20230809094655.793FC18A4654@snark.thyrsus.com> <87il9owg0f.fsf@yahoo.com> <83fs4rjq9j.fsf@gnu.org> <87jzu2tvfc.fsf@dataswamp.org> <87y1ih3mc1.fsf@localhost> <87h6p5kcek.fsf@dataswamp.org> <87msyxoj2t.fsf@localhost> <875y5lkb4b.fsf@dataswamp.org> <87bkfdsmde.fsf@localhost> <87v8dlihc5.fsf@dataswamp.org> <87il9l1i59.fsf@localhost> <87edk9icis.fsf@dataswamp.org> <871qg84qij.fsf@localhost> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="1631"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) To: emacs-devel@gnu.org Cancel-Lock: sha1:mJ5JJBMjjm7TImAmk7+6BOdHpRA= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Aug 12 18:58:07 2023 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 1qUrwE-0000D4-MO for ged-emacs-devel@m.gmane-mx.org; Sat, 12 Aug 2023 18:58:06 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qUrvz-0005YX-PU; Sat, 12 Aug 2023 12:57:51 -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 1qUr6w-0005qY-5i for emacs-devel@gnu.org; Sat, 12 Aug 2023 12:05:06 -0400 Original-Received: from ciao.gmane.io ([116.202.254.214]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qUr6u-000852-Hu for emacs-devel@gnu.org; Sat, 12 Aug 2023 12:05:05 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1qUr6s-0007tb-Iq for emacs-devel@gnu.org; Sat, 12 Aug 2023 18:05:02 +0200 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: emacs-devel@gnu.org Mail-Copies-To: never Received-SPF: pass client-ip=116.202.254.214; envelope-from=ged-emacs-devel@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: -15 X-Spam_score: -1.6 X-Spam_bar: - X-Spam_report: (-1.6 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Sat, 12 Aug 2023 12:57:50 -0400 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: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:308619 Archived-At: Ihor Radchenko wrote: >>> Note how fibn test takes 0.00 seconds. It is limited to >>> fixnum range. >> >> What does that say/mean? > > It tells that normal int operations are much, much faster > compared to bigint. So, your benchmark is rather esoteric if > we consider normal usage patterns. Didn't you provide a whole set of benchmarks with an approximated gain of 10%? Maybe some esoteric nature is built-in in the benchmark concept ... -- underground experts united https://dataswamp.org/~incal