From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: LdBeth Newsgroups: gmane.emacs.devel Subject: Re: funcall consing Date: Fri, 31 Dec 2021 23:09:56 +0800 Message-ID: References: <87ee5tm422.fsf@logand.com> <83fsq9gdhw.fsf@gnu.org> Mime-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="20208"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?ISO-8859-4?Q?Goj=F2?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/27.2 (x86_64-apple-darwin18.7.0) MULE/6.0 (HANACHIRUSATO) Cc: Tomas Hlavaty , emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Dec 31 16:11:33 2021 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 1n3JZ6-00054J-8J for ged-emacs-devel@m.gmane-mx.org; Fri, 31 Dec 2021 16:11:32 +0100 Original-Received: from localhost ([::1]:43576 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n3JZ4-0004UB-LQ for ged-emacs-devel@m.gmane-mx.org; Fri, 31 Dec 2021 10:11:30 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:59166) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n3JXp-0003nG-UJ for emacs-devel@gnu.org; Fri, 31 Dec 2021 10:10:14 -0500 Original-Received: from out203-205-221-236.mail.qq.com ([203.205.221.236]:33932) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n3JXi-0003FA-U3; Fri, 31 Dec 2021 10:10:10 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foxmail.com; s=s201512; t=1640963400; bh=Ha2eufT2pNU9hcf3uOSadD3bKlmdXUenyGdkvXT6Dgs=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=CDEx+/VTs1O0vY1K+81lfQyRloZkIBQZ5t62BOIE6UAqFddsvjpSKk3465yMMP5eB cgrzKbPlQkD1Zqt2cFrBcdSZDNuhTOBD8aM3M/2iy2fp5D33d+JmA45CS4cSFuVjic 16/S2ht6eTdCuHYrpqYBTUBQi63TvoM2lQU/f1GI= Original-Received: from Costume-Party.local ([125.111.88.153]) by newxmesmtplogicsvrszc9.qq.com (NewEsmtp) with SMTP id 27A21C83; Fri, 31 Dec 2021 23:09:58 +0800 X-QQ-mid: xmsmtpt1640963398tmclb4e3h X-QQ-XMAILINFO: MbECzfofyKaS1InYtUK1dkfQoYyVQ0EYI2fTijyO2cADOKK87wx9rBPfZJAjqk e8dwfyxHZCdLKxIDNQHZkt8UBeScItC6lENc92CIDXeiZT+nlXU8VEiKHPBggA6CU6/ERPKsUkvV KxIKGmVosA13EcNryQDGwLjcsJL1248Ka3cloACGIy/lYEe7CyNbRMsoxwP9qcBESD7ZoueeIHnM mA6sdsK3L8gVvB+hcbV/7X81cl1T5fi5zOkNUPBtUAloBqH2Ah9qOQsBWHktJVQ0fjh8TFci+yUB H8H/ZrhxDcdAgKBVV3hsfLmf/jIMwlVaJ3H4BjqjzEO+PI8QKnmCe0D1kc+HZit4qyRXH0Vh2pn1 sZQ63ApbIYc1CBi5IY3kaY6N2x5bvzXrybFXVT43UX6bpXGTOmAieuMQq9qG+tLC7b1ZgIpgE8ow RDP6y8ZReUXUeZyA2mKkdGfFCkg4FmvqNngzhcXXFOCQcOy/nkxMwO42H3qas08U+664w75avMUQ BDKv7/iHWeuYZr0VhzChYh/2EvWEZTvjaSUGLxKU0CMrEmRcOTrsYiz8iZfOUixSMkRqLYz92pOZ RrNWNYdQKgyjR7Wp62sHyVnj+bMHS/YmTiL/Ax/RxxIMhzVpNkYuGjZHD/Y/BxpOL0d610XTtMIA wKGsLL02fmPBPBudHLDo9W4GAl8UC4KSndKT+tESSTlsZ6eU4HaDxtWDYb50Wh2pe91CL4NJrTEy 6ykQfZ9BD0vl8X7QIIlOt7nVIpy1/NVCy9EHbwfaLgy6y+ZGhRjeab87kY89K89sRoyc4HGJGD1j ZtKdvWC1ADGT3AOIU5xo7nXdNB42KySf7JrJTTz4 Original-Received: by Costume-Party.local (Postfix, from userid 501) id C8B83203D65C69; Fri, 31 Dec 2021 23:09:56 +0800 (CST) X-OQ-MSGID: In-Reply-To: <83fsq9gdhw.fsf@gnu.org> X-Face: %[!P\u/BKFRGn_9h9|yO"ho?C0ej^LmM}WMb-`Jfj8OsS^^AKmHYGlD@^|7SEA3UzOGPFbB"OFczY?'\JtJ\lR'@&Y5j; s8{$&|3D>^i.U4l2h?1qpD.+{[$~j]vBeHZf^|BGyL8{/`4 X-Attribution: ldb Received-SPF: pass client-ip=203.205.221.236; envelope-from=andpuke@foxmail.com; helo=out203-205-221-236.mail.qq.com X-Spam_score_int: 27 X-Spam_score: 2.7 X-Spam_bar: ++ X-Spam_report: (2.7 / 5.0 requ) DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, HELO_DYNAMIC_IPADDR=1.951, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, RDNS_DYNAMIC=0.982, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:283745 Archived-At: >>>>> In <83fsq9gdhw.fsf@gnu.org> >>>>> Eli Zaretskii wrote: Tomas> (benchmark-run 10 (dotimes (i 100000) (1+ i))) Tomas> ;;(2.720941123 40 1.7525918699999998) Tomas> (let ((x (lambda (i) (1+ i)))) (benchmark-run 10 (dotimes (i 100000) (funcall x i)))) Tomas> ;;(4.9373091140000005 80 3.4835688719999958) Eli> What do you mean by "consing" in this context, and what is your Eli> evidence for "consing" in the above example? Is that only the Eli> performance degradation, or is that something else? Tomas probably means this (from the docstring of benchmark-run): Return a list of the total elapsed time for execution, the number of garbage collections that ran, and the time taken by garbage collection. > (4.9373091140000005 80 3.4835688719999958) The `80' indicats the GC has been invoked 80 times. That is the direct indication of "consing". -- LDB