From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Taylan Kammer Newsgroups: gmane.lisp.guile.devel Subject: Re: Request to add *-resize! functions for contiguous mutable data structures. Date: Sat, 7 Aug 2021 19:46:39 +0200 Message-ID: References: <97e4262b-3ff9-1b21-35d8-45ad9d45ca99@gatech.edu> <45e44ba58dbbb3b2fd3ffdeab4add4a1f7525cd4.camel@telenet.be> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="24050"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.12.0 To: Maxime Devos , Vijay Marupudi , guile-devel@gnu.org Original-X-From: guile-devel-bounces+guile-devel=m.gmane-mx.org@gnu.org Sat Aug 07 19:46:57 2021 Return-path: Envelope-to: guile-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 1mCQPR-00067Y-5a for guile-devel@m.gmane-mx.org; Sat, 07 Aug 2021 19:46:57 +0200 Original-Received: from localhost ([::1]:37792 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mCQPP-0001Cs-V0 for guile-devel@m.gmane-mx.org; Sat, 07 Aug 2021 13:46:55 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:46390) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mCQPG-0001Cj-4n for guile-devel@gnu.org; Sat, 07 Aug 2021 13:46:46 -0400 Original-Received: from mail-wr1-x434.google.com ([2a00:1450:4864:20::434]:37456) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mCQPC-0000Ty-V9 for guile-devel@gnu.org; Sat, 07 Aug 2021 13:46:45 -0400 Original-Received: by mail-wr1-x434.google.com with SMTP id d8so15466014wrm.4 for ; Sat, 07 Aug 2021 10:46:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-language:content-transfer-encoding; bh=/a9SjX+9oKUgOYw+1JB5i8n7kgtTorJr9xurBeeJvMk=; b=uMQUNVyDWJu6KP+irtxaM4ZhKgpEyHmXVMer51bEz6T2lHl4obpJstRizeTtqsSHCX 6ADlFFNtuP/K5kaqLTLLhueaNAILpyhFBmcS/36eBv5K773Lfq9vvVbXUUE5UyIky7/v Hygr+xbLktmAQuzwJEldH4ITC5Aid0cbSBQfgLWo+pSbeLI0pg7liAp/zj93NlHUT0tI XCpYw6VFhJpxhzhqdrif+KpkaDK8SrevV5CVUscDEW2bcpOxNtGwebWaUx3X1wLLJjDh rrzCsKc7DWMp8ENr82wrGG5m3KkmYNdBWbalk24ag44qRXMUVzHmb+Oep+dUYpww4Yhi NENw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=/a9SjX+9oKUgOYw+1JB5i8n7kgtTorJr9xurBeeJvMk=; b=d+6uH3FmQdoyZDjBbIvzQEqJhULhpy9RdluublhNjXvvawucj/bc6y1yjYZCNyFmyD 3X68DIl+f2qvpZPUmZylz63NdkIjOom/+uRuSgfWjJjeIock1BpxF2JIbmoWf4iUN5TP 3ohnHBP7jTA7DObaDZ/WsMq1av23+pzQjJwqU2BxWyIMRf4ARrDp9UsLbmlRpJRG8Wy+ gjQbmzAXiuW/wzD87pEVYK2TbJwN+/o0ez/Ij1B+8sKHp2sA6al7Ne4PD2IMtddyLSyS r/YSWbgebuEHS7jkT9xTR7FeQ9bsfDoGPkHOINVjwi6Myulnz9JjpXo2++YYJLeb6ha0 flsA== X-Gm-Message-State: AOAM531m1q6b/JGpNuH/X+0BrGV73otdX/NLGohWdeyAO/spOCa192b6 O5gsoQqt1DHgo1uEd6V717Iu9dBwBOs= X-Google-Smtp-Source: ABdhPJzmuL9Gva9hLDj/IeieMglEXHhRu3WxREn5N2cnZCYZxdxGWlfPCuBaTDfS5PUV50tMjMC+nw== X-Received: by 2002:adf:eecf:: with SMTP id a15mr16932014wrp.269.1628358401296; Sat, 07 Aug 2021 10:46:41 -0700 (PDT) Original-Received: from [192.168.178.20] (b2b-109-90-125-150.unitymedia.biz. [109.90.125.150]) by smtp.gmail.com with ESMTPSA id f3sm13912838wro.30.2021.08.07.10.46.40 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 07 Aug 2021 10:46:40 -0700 (PDT) In-Reply-To: <45e44ba58dbbb3b2fd3ffdeab4add4a1f7525cd4.camel@telenet.be> Content-Language: en-US Received-SPF: pass client-ip=2a00:1450:4864:20::434; envelope-from=taylan.kammer@gmail.com; helo=mail-wr1-x434.google.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, FREEMAIL_FROM=0.001, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: guile-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Developers list for Guile, the GNU extensibility library" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guile-devel-bounces+guile-devel=m.gmane-mx.org@gnu.org Original-Sender: "guile-devel" Xref: news.gmane.io gmane.lisp.guile.devel:20819 Archived-At: On 07.08.2021 13:09, Maxime Devos wrote: > > A problem is that this prevents optimisations and can currently > introduce bugs in concurrent code. Consider the following code: > > [... snip ... ] > > Greetings, > Maxime. > Couldn't we just state that resizing a vector/bytevector is a thread-unsafe operation? -- Taylan